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IWA 28:2018

(Main)

Faecal sludge treatment units — Energy independent, prefabricated, community-scale resource-recovery units — Safety and performance

Faecal sludge treatment units — Energy independent, prefabricated, community-scale resource-recovery units — Safety and performance

IWA 28:2018 specifies requirements and test methods to ensure safety, performance and sustainability of community-scale resource-oriented faecal sludge treatment units that serve approximately 1 000 to 100 000 people. IWA 28:2018 applies to treatment units that: · primarily treat faecal sludge; · are able to operate in non-sewered and off-grid environments; · are prefabricated. IWA 28:2018 does not apply to sanitation treatment units requiring sewer infrastructure, or to those requiring electric grid access during steady state operation. Treatment units to which IWA 28:2018 applies exhibit resource recovery capability (e.g. recovering energy, reusable water, soil amendment) and are capable of being energy neutral or energy net positive.

Unités de traitement de matières de vidange — Unités de récupération préfabriquées et autonomes en énergie pour des ressources à l'échelle locale — Sécurité et performances

General Information

Status
Published
Publication Date
12-Apr-2018
ICS
13.030.20 - Liquid wastes. Sludge
Technical Committee
ISO/TMBG - Technical Management Board - groups
Drafting Committee
ISO/TMBG - Technical Management Board - groups
Current Stage
6060 - International Standard published
Completion Date
13-Apr-2018
Ref Project

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IWA 28:2018 - Faecal sludge treatment units -- Energy independent, prefabricated, community-scale resource-recovery units -- Safety and performanceIWA 28:2018 - Faecal sludge treatment units -- Energy independent, prefabricated, community-scale resource-recovery units -- Safety and performance
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IWA 28:2018 - Faecal sludge treatment units -- Energy independent, prefabricated, community-scale resource-recovery units -- Safety and performance
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Standards Content (Sample)

INTERNATIONAL IWA
WORKSHOP 28
AGREEMENT
First edition
2018-04
Faecal sludge treatment units —
Energy independent, prefabricated,
community-scale resource-recovery
units — Safety and performance
Unités de traitement de matières de vidange — Unités de
récupération préfabriquées et autonomes en énergie pour des
ressources à l'échelle locale — Sécurité et performances
Reference number
IWA 28:2018(E)
©
ISO 2018

---------------------- Page: 1 ----------------------
IWA 28:2018(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2018
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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved

---------------------- Page: 2 ----------------------
IWA 28:2018(E)

Contents Page
Foreword .vii
Introduction .viii
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and abbreviated terms . 2
4 General requirements . 8
4.1 Industrial design and manufacture . 8
4.2 Hazard and operability study and risk assessment . 8
4.3 Ambient operation conditions . 8
4.4 Expected technical lifetime . 9
4.5 Treatment unit input . 9
4.5.1 Input types . 9
4.5.2 Specification of input parameters and ranges . 9
4.5.3 Input specification templates . 9
4.5.4 Additional input specifications for thermal and biological processes . 9
4.6 Requirements for handling of faecal sludge as a fuel .10
4.6.1 Delivery and reception of faecal sludge .10
4.6.2 Storage of faecal sludge .10
4.6.3 Feeding system .10
4.6.4 Additional requirements for thermal treatment units .10
5 Energy balance and resource recovery .
...

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