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Heat and power from biogas in Cambodia
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| Project Type |
| ||
|---|---|---|---|
| Project Name | TTY Cambodia Biogas Project | ||
| Project Location | Cambodia, region Kompong Cham, Memot | ||
| Project Standard | Gold Standard CDM | ||
| Emission Reductions | 350'000 t CO2-eq. (over 7 years) | ||
| Situation without project | Methane emissions and heavy oil as energy sources | ||
| Project Status | Implementation | ||
| Project Validation | TÜV SÜD | ||
| Project Start | October 2009 |
Through the project, methane, which develops during the waste water treatment in a Cambodian starch factory, is being collected and prevented from reaching the atmosphere. The accumulated biogas is used as an energy source in the factory and replaces the previously used heavy oil.
In rural Cambodia, near the border to Vietnam, stands the manioc starch factory of the company T.T.Y Agricultural Plant Development and IMEX Co. Ltd. The energy required for the processes is until now being supplied through heavy oil as is customary in Cambodia. The waste water is treated anaerobically in sewage lagoons. Through the launched project, the methane emissions, which otherwise reach the atmosphere unhindered, are collected and the fossil oil replaced with biogas.
The carbon offset project includes both the change in the waste water treatment and the energy supply of the industrial processes. Through the installation of a so-called CIGAR plant (Covered in Ground Anaerobic Reactor) of the New Zealand company Waste Solutions Ltd, a sewage system is established which enables the anaerobic decomposition of organic matter and thus its transformation into biogas. The collected biogas is routed into an existing boiler (4 MW) and into newly installed biogas power generators via corresponding connection pipes. Every year, 2,700 m³ of heavy oil are substituted through the supply of process heat.
The project contributes in many ways to a sustainable development in the Cambodian region Kompong Cham by significantly improving the local water and air quality through the new sewage treatment, in addition to reducing the greenhouse gases CO2 and methane. The local added value is increased, work places are created, and the agroindustry in Cambodia is strengthened. The technology transfer from the industrial nations leads to the utilization of a technology, which was hardly known in Cambodia until now and was not used in the starch industry of the country.
Without the additional means from the sale of the emission reductions, the implementation of the project would be inconceivable. In all other starch plants in Cambodia - and almost all plants in Thailand and Vietnam (except those that were implemented in the course of a CDM carbon offset project) - , the waste water is being treated in open sewage lagoons. So far, both the technical know-how and the locally available technology, as well as the financial stimuli have been missing. The conventional method is a technologically simple, cheap alternative, which causes hardly any overhead and maintenance costs, but which is harmful to the climate.



