prEN ISO 24252
(Main)Biogas systems - Non-household and non-gasification (ISO 24252:2021)
Biogas systems - Non-household and non-gasification (ISO 24252:2021)
This document applies for systems for biogas production by anaerobic digestion, biogas conditioning, biogas upgrading and biogas utilization from a safety, environmental, performance and functionality perspective, during the design, manufacturing, installation, construction, testing, commissioning, acceptance, operation, regular inspection and maintenance phases.
The following topics are excluded from this document:
— boilers, burners, furnaces and lighting in case these are not specifically applied for locally produced biogas;
— gas fuelled engines for vehicles and ships;
— the public gas grid;
— specifications to determine biomethane quality;
— transportation of compressed or liquefied biogas;
— transportation of biomass or digestate;
— assessment and determination whether biomass is sourced sustainably or not.
An informative explanation of the scope is included in Annex A.
Biogasanlagen - Nicht häusliche und nicht auf Vergasung beruhende Anlagen (ISO 24252:2021)
Installations de méthanisation - Non domestique et sans gazéification (ISO 24252:2021)
Le présent document s'applique aux systèmes de production de biogaz par digestion anaérobie, ainsi qu'au traitement, à l'épuration et à la valorisation du biogaz du point de vue de la sécurité, des questions environnementales, de la performance et de la fonctionnalité; et ce pendant les phases de conception, de fabrication, d'installation, de construction, d'essai, de mise en service, de réception, d'exploitation, d'inspection régulière et de maintenance.
Les points suivants sont exclus du présent document:
— chaudières, brûleurs, fours et éclairage s'ils n'utilisent pas spécifiquement du biogaz produit localement;
— moteurs à gaz pour véhicules et bateaux;
— réseau de gaz public;
— spécifications pour déterminer la qualité du biométhane;
— transport du biogaz comprimé ou liquéfié;
— transport de la biomasse ou du digestat;
— évaluation et détermination du caractère durable de la production de biomasse.
Une explication informative du domaine d'application est présentée en l'Annexe A.
Bioplin - Negospodinjski sistemi brez uplinjanja (ISO 24252:2021)
General Information
Standards Content (sample)
SLOVENSKI STANDARD
oSIST prEN ISO 24252:2022
01-junij-2022
Bioplin - Negospodinjski sistemi brez uplinjanja (ISO 24252:2021)
Biogas systems - Non-household and non-gasification (ISO 24252:2021)
Installations de méthanisation - Non domestique et sans gazéification (ISO 24252:2021)
Ta slovenski standard je istoveten z: prEN ISO 24252ICS:
27.190 Biološki viri in drugi Biological sources and
alternativni viri energije alternative sources of energy
oSIST prEN ISO 24252:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN ISO 24252:2022
INTERNATIONAL ISO
STANDARD 24252
First edition
2021-11
Biogas systems — Non-household and
non-gasification
Installations de méthanisation — Non domestique et sans
gazéification
Reference number
ISO 24252:2021(E)
© ISO 2021
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oSIST prEN ISO 24252:2022
ISO 24252:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.ISO copyright office
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Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
© ISO 2021 – All rights reserved
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oSIST prEN ISO 24252:2022
ISO 24252:2021(E)
Contents Page
Foreword ....................................................................................................................................................................................................................................... vi
Introduction .............................................................................................................................................................................................................................vii
1 Scope ................................................................................................................................................................................................................................. 1
2 Normative references ..................................................................................................................................................................................... 1
3 Terms and definitions .................................................................................................................................................................................... 1
4 Abbreviated terms ............................................................................................................................................................................................. 2
5 Guide for reading this document ........................................................................................................................................................2
6 Safety principles ................................................................................................................................................................................................... 3
7 Safety studies........................................................................................................................................................................................................... 4
7.1 General ........................................................................................................................................................................................................... 4
7.2 Risk assessment and evaluation ............................................................................................................................................. 4
7.2.1 Risk assessment construction, start-up and maintenance ........................................................... 4
7.2.2 HAZOP/HAZID ...................................................................................................................................................................... 4
7.3 Explosion protection document (EPD) .............................................................................................................................. 5
7.4 Environmental requirements.................................................................................................................................................... 5
8 General design requirements ................................................................................................................................................................6
8.1 Materials and structures ............................................................................................................................................................... 6
8.1.1 General ........................................................................................................................................................................................ 6
8.1.2 Materials .................................................................................................................................................................................... 6
8.1.3 Structures, weight and stability calculations ........................................................................................... 7
8.1.4 Use of used materials and equipment .............................................................................................................. 7
8.2 Process system facilities ................................................................................................................................................................ 7
8.2.1 General ........................................................................................................................................................................................ 7
8.2.2 Gas-side part of the system ....................................................................................................................................... 7
8.2.3 Cooling systems................................................................................................................................................................... 8
8.3 Pressure protection ........................................................................................................................................................................... 8
8.4 Safety distances ..................................................................................................................................................................................... 9
8.5 Electronic monitoring of the process .............................................................................................................................. 11
8.5.1 General ..................................................................................................................................................................................... 11
8.5.2 Monitoring of the process ....................................................................................................................................... 11
8.6 Buildings and building services ...........................................................................................................................................12
8.6.1 General .....................................................................................................................................................................................12
8.6.2 Gas detection and electronic monitoring inside buildings ........................................................12
8.6.3 Ventilation ............................................................................................................................................................................. 13
8.7 Noise protection ................................................................................................................................................................................. 14
8.8 Odour prevention .............................................................................................................................................................................. 14
8.9 Soil and surface water protection ...................................................................................................................................... 14
8.10 Condensate and particle removal ....................................................................................................................................... 15
8.11 Storage of hazardous substances ........................................................................................................................................ 15
8.11.1 Storage hazardous substances in general ................................................................................................. 15
8.12 Facilities at power failure ..........................................................................................................................................................15
8.13 Air pollution control devices for removal of superfluous biogas (flares, thermal
oxidizers gas, etc.) ............................................................................................................................................................................ 16
8.14 Unwanted venting and discharges of hazardous gases .................................................................................. 17
8.15 Flame protection and mitigation ........................................................................................................................................ 17
8.16 Fire-fighting and extinguishing ........................................................................................................................................... 17
8.17 Earthing and lightning protection ..................................................................................................................................... 18
8.18 Emergency routing .......................................................................................................................................................................... 18
8.19 Anti-collision ......................................................................................................................................................................................... 18
8.20 Access control ....................................................................................................................................................................................... 18
8.21 Electrical, instrumentation and process control .................................................................................................. 18
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oSIST prEN ISO 24252:2022
ISO 24252:2021(E)
9 Biogas pipelines for untreated biogas .......................................................................................................................................19
9.1 General ........................................................................................................................................................................................................ 19
9.2 Materials ................................................................................................................................................................................................... 19
9.3 Civil design .............................................................................................................................................................................................. 20
9.4 Removal of moisture and contaminants ...................................................................................................................... 20
10 Technical specifications and requirements biogas production .....................................................................20
10.1 General ........................................................................................................................................................................................................ 20
10.2 Biomass supply and storage .................................................................................................................................................... 21
10.3 Desulphurization ............................................................................................................................................................................... 21
10.4 Biogas buffer.......................................................................................................................................................................................... 21
10.5 Storage, removal and stabilizing digestate ................................................................................................................ 21
10.6 Specific attention points and requirements landfill sites .............................................................................22
10.7 Specific requirements additional to Clause 8 .......................................................................................................... 22
10.7.1 Materials and structures ......................................................................................................................................... 22
10.7.2 Equipment, pipes, valves and other process system facilities ................................................23
10.7.3 Pressure protection ...................................................................................................................................................... 23
10.7.4 Foam ........................................................................................................................................................................................... 23
10.7.5 Safety distances ............................................................................................................................................................... 24
10.7.6 Electronic monitoring of the process ............................................................................................................ 24
10.7.7 Buildings and building services ......................................................................................................................... 24
10.7.8 Noise protection............................................................................................................................................................... 24
10.7.9 Soil and surface water protection .................................................................................................................... 24
10.7.10 Condensate and particle removal ..................................................................................................................... 25
10.7.11 Storage of hazardous substances ..................................................................................................................... 25
10.7.12 Facilities at power failure ........................................................................................................................................ 25
10.7.13 Air pollution control devices for removal of superfluous biogas (flares,thermal oxidizers gas etc.) ..................................................................................................................................... 25
10.7.14 Venting .................. .................................................... ................................................................................................................ 25
10.7.15 Flame protection and mitigation ...................................................................................................................... 25
10.7.16 Firefighting and extinguishing ........................................................................................................................... 25
10.7.17 Earthing and lightning protection .................................................................................................................. 26
10.7.18 Emergency routing ........................................................................................................................................................26
10.7.19 Anti-collision ....................................................................................................................................................................... 26
10.7.20 Electrical, instrumentation & process control ..................................................................................... 26
11 Technical specifications and requirements biogas treatment, CHP, upgrading and
liquefaction .............................................................................................................................................................................................................26
11.1 General ........................................................................................................................................................................................................ 26
11.2 Desulphurization ............................................................................................................................................................................... 26
11.3 Biogas upgrading and liquefaction .................................................................................................................................... 27
11.4 Process system facilities ............................................................................................................................................................. 27
11.4.1 General ..................................................................................................................................................................................... 27
11.4.2 Gas-side part of the system .................................................................................................................................... 27
11.4.3 Cooling systems................................................................................................................................................................ 27
11.5 Specific requirements additional to Clause 8 ..........................................................................................................28
11.5.1 Materials and structures .........................................................................................................................................28
11.5.2 Pressure protection ......................................................................................................................................................28
11.5.3 Safety distances ...............................................................................................................................................................28
11.5.4 Electronic monitoring of the process ............................................................................................................28
11.5.5 Buildings and building services .........................................................................................................................28
11.5.6 Noise protection...............................................................................................................................................................28
11.5.7 Soil protection ...................................................................................................................................................................28
11.5.8 Condensate and particle removal .....................................................................................................................29
11.5.9 Storage of hazardous substances .....................................................................................................................29
11.5.10 ...........................................................................................................................................................
Facilities at power failure ........................................................................................................................................30
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oSIST prEN ISO 24252:2022
ISO 24252:2021(E)
11.5.11 ...........................................................................................................................................................
Air pollution control devices for removal of superfluous biogas (flares,thermal oxidizers gas etc.) .....................................................................................................................................30
11.5.12 ...........................................................................................................................................................
Venting ......... .......................... ................................................................................................................................................... 30
11.5.13 ...........................................................................................................................................................
Flame protection and mitigation ......................................................................................................................30
11.5.14 Fire-fighting and extinguishing .........................................................................................................................30
11.5.15 ...........................................................................................................................................................
Earthing and lightning protection ..................................................................................................................30
11.5.16 ...........................................................................................................................................................
Emergency routing ........................................................................................................................................................30
11.5.17 ...........................................................................................................................................................
Anti-collision ....................................................................................................................................................................... 30
11.5.18 ...........................................................................................................................................................
Electrical, instrumentation & process control .....................................................................................30
12 Construction and testing ..........................................................................................................................................................................31
12.1 General ........................................................................................................................................................................................................ 31
12.2 Construction .......................................................................................................................................................................................... 31
12.2.1 Safety during construction .................................................................................................................................... 31
12.2.2 Prefabrication .................................................................................................................................................................... 31
12.2.3 Construction on site ..................................................................................................................................................... 31
12.3 Testing and commissioning ...................................................................................................................................................... 31
12.4 Start-up ....................................................................................................................................................................................................... 32
12.5 Requirements for commissioning and start-up of specific systems .................................................... 32
12.5.1 Biogas production systems .................................................................................................................................... 32
12.5.2 Biogas treatment, CHP, upgrading and liquefaction systems .................................................. 32
13 Operations and maintenance ..............................................................................................................................................................32
13.1 General ........................................................................................................................................................................................................ 32
13.2 Supplier of the biogas system .................................................................................................................................................33
13.3 System owner ....................................................................................................................................................................................... 33
13.4 Emergency plan ..................................................................................................................................................................................34
13.5 Service technician ............................................................................................................................................................................ 35
13.6 Requirements for commissioning and start-up of specific systems .................................................... 35
13.6.1 Biogas production systems .................................................................................................................................... 35
13.6.2 Biogas treatment, CHP, upgrading and liquefaction systems .................................................. 35
13.7 Requirements for shut-down of biogas system ......................................................................................................36
Annex A (informative) Explanation to the scope .................................................................................................................................37
Annex B (informative) Biogas characteristics, processes and classifications .....................................................40
Annex C (informative) Guidelines to prevent risks from gases and explosive atmospheres
in buildings .............................................................................................................................................................................................................48
Bibliography .............................................................................................................................................................................................................................50
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oSIST prEN ISO 24252:2022
ISO 24252:2021(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is info
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