TU Berlin

Chair of Circular Economy and Recycling Technologyfounded project

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BioRist - innovative process technology for biogas production from rice straw

Project duration:
1st  February 2016 - 31 January 2019
Founded by :
  • Federal Ministry of Education and Research:
    SME - Innovativ
Project partner:

Subcontracted companies:

  • UPM - Umwelt Projekt Management GmbH
  • Perspectives Climate Change
Project description:
Development and integration of an innovative process technology for biogas production from rice straw in regional value chains in rural areas in South East Asia under consideration of sustainable development and climate protection – case Vietnam.
Project objectives:
The aim of the project BioRist is to develop an innovative and technically feasible procedure of enzymatic and bacterial degradation of rice straw in order to facilitate the fermentation and conversion of cellulose into biogas. The establishment of a pilot plant in the Mekong Delta in Vietnam will prove that the procedure is able to produce climate neutral energy, to reduce methane emissions, which are formed in the paddies due to combustion or anaerobic degradation and to produce fertilizers. The technical components and the products will be integrated into the regional value-added chain under consideration of the local actors and the specific preconditions.
Project implementation :
In the frame of the project a technical procedure will be up-scaled and adapted to the local conditions. The plant will be in operation over two years in order to optimize the retention time in the reactor and the addition of different co-substrates. The pilot plant will be located in a typical village in the province of Tien Giang. Local partners are involved into the project to develop, built, operate and to market the plant together with the company of Herbst Umwelttechnik GmbH (Berlin). In addition to the technical optimization of the plant the procedure will be studied under consideration of the regional material flow management. Further the procedure will be implemented in the current system in order to support the sustainable development and climate protection.   An important pillar of the project is the experimental prove of the reduction of greenhouse gas emissions over the value-added chain. This comprises analyses of the emissions in the paddies with and without the application of the residues from the anaerobic reactor, as well as the assessment of the fertilizing efficiency. During the operation of the pilot plant the production of biogas and fertilizer from rice straw will be optimized and the practical suitability for the local markets will be proved.   Thus in future it will be possible to utilize large quantities of rice straw providing CO2-neutral electricity and process heat and to considerably reduce the climate relevant emissions from the paddies. The development of climate protection projects under NAMA and CDM will support the financing of the planned biogas plants after the project run-time. The feasibility of the financing tools will be assessed during the project.



This project is financed by founds of the founding SME innovative of the German Federal Ministry of Education and Research.


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