Improving sewage sludge treatment and utilisation in China: a German perspective on barriers to and measures for the dissemination of innovative technologies

In China, there is enormous development potential for resource recovery from sewage sludge. Government plans indicate that there will be greater investment in sewage sludge treatment, recycling and associated new technologies. Expert interviews and an expert workshop with representatives of German f...

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Main Authors: Michaela Rohrbach, Martin Zimmermann
Format: Article
Language:English
Published: IWA Publishing 2023-06-01
Series:H2Open Journal
Subjects:
Online Access:http://h2oj.iwaponline.com/content/6/2/268
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author Michaela Rohrbach
Martin Zimmermann
author_facet Michaela Rohrbach
Martin Zimmermann
author_sort Michaela Rohrbach
collection DOAJ
description In China, there is enormous development potential for resource recovery from sewage sludge. Government plans indicate that there will be greater investment in sewage sludge treatment, recycling and associated new technologies. Expert interviews and an expert workshop with representatives of German firms and institutions were held in order to identify barriers to and possible measures for the dissemination of technologies geared towards the utilisation of sewage sludge, such as anaerobic digestion, thermal hydrolysis and hydrothermal carbonisation. The following measures were identified as crucial: influence and support for the development of suitable regulations for sewage sludge in China, improvement in the processes and practices within specialised authorities, improved knowledge transfer, the development of appropriate business or operator models and persuasion of decision-makers within public authorities. German companies cannot implement most of these measures easily. HIGHLIGHTS For business development, it is crucial to have strong ties with Chinese partners.; Operator models require great commitment and most of the German companies are not suitable due to their size or ownership structure.; Transition school literature was helpful to develop an understanding of barriers and measures concerning resource-efficient handling of sewage sludge in China.;
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spelling doaj.art-a6c56caeaa4546fd8c0c0d3349ff52382023-07-11T15:41:17ZengIWA PublishingH2Open Journal2616-65182023-06-016226827910.2166/h2oj.2023.022022Improving sewage sludge treatment and utilisation in China: a German perspective on barriers to and measures for the dissemination of innovative technologiesMichaela Rohrbach0Martin Zimmermann1 ISOE – Institute of Socio-Ecological Research, Hamburger Allee 45, 60486 Frankfurt/Main, Germany ISOE – Institute of Socio-Ecological Research, Hamburger Allee 45, 60486 Frankfurt/Main, Germany In China, there is enormous development potential for resource recovery from sewage sludge. Government plans indicate that there will be greater investment in sewage sludge treatment, recycling and associated new technologies. Expert interviews and an expert workshop with representatives of German firms and institutions were held in order to identify barriers to and possible measures for the dissemination of technologies geared towards the utilisation of sewage sludge, such as anaerobic digestion, thermal hydrolysis and hydrothermal carbonisation. The following measures were identified as crucial: influence and support for the development of suitable regulations for sewage sludge in China, improvement in the processes and practices within specialised authorities, improved knowledge transfer, the development of appropriate business or operator models and persuasion of decision-makers within public authorities. German companies cannot implement most of these measures easily. HIGHLIGHTS For business development, it is crucial to have strong ties with Chinese partners.; Operator models require great commitment and most of the German companies are not suitable due to their size or ownership structure.; Transition school literature was helpful to develop an understanding of barriers and measures concerning resource-efficient handling of sewage sludge in China.;http://h2oj.iwaponline.com/content/6/2/268anaerobic digestionhydrothermal carbonisationinstitutional barriersresource recoverysocio-technical innovationthermal hydrolysis
spellingShingle Michaela Rohrbach
Martin Zimmermann
Improving sewage sludge treatment and utilisation in China: a German perspective on barriers to and measures for the dissemination of innovative technologies
H2Open Journal
anaerobic digestion
hydrothermal carbonisation
institutional barriers
resource recovery
socio-technical innovation
thermal hydrolysis
title Improving sewage sludge treatment and utilisation in China: a German perspective on barriers to and measures for the dissemination of innovative technologies
title_full Improving sewage sludge treatment and utilisation in China: a German perspective on barriers to and measures for the dissemination of innovative technologies
title_fullStr Improving sewage sludge treatment and utilisation in China: a German perspective on barriers to and measures for the dissemination of innovative technologies
title_full_unstemmed Improving sewage sludge treatment and utilisation in China: a German perspective on barriers to and measures for the dissemination of innovative technologies
title_short Improving sewage sludge treatment and utilisation in China: a German perspective on barriers to and measures for the dissemination of innovative technologies
title_sort improving sewage sludge treatment and utilisation in china a german perspective on barriers to and measures for the dissemination of innovative technologies
topic anaerobic digestion
hydrothermal carbonisation
institutional barriers
resource recovery
socio-technical innovation
thermal hydrolysis
url http://h2oj.iwaponline.com/content/6/2/268
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