Asian Network of Major Cities 21

Support for biogas production from organic wasteeBangkok

■ Overview

In 2006 Bangkok Metropolitan Administration (BMA) and Department of Alternative Energy Development and Efficiency (AEDE) cooperated to launch a project of biogas production from organic waste for 40 BMA schools (installation cost supported by AEDE) and in 2009 the project was extended to another 40 schools (installation cost supported by BMA),now there are 80 schools participated in the project. The biogas tanks are 2.5 cubic meter in size and can receive about 40 kg/day of organic waste. The gas was predicted to be produced at the rate of 2.5 cubic meter/day/tank or sustituted for 1 kg of LPG. The sludge produced can be used as soil conditioner in liquid or solid forms.

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■ Period of Implementation

• 2006-present

■ Features

• Department of Alternative Energy Development and Efficiency is responsible for installation biogas tanks in BMA schools and providing technical support and advice. BMA is responsible for support costs of installation biogas tanks and following the project performance. BMA schools collected food wastes,operated and maintained the system.

■ Outcomes / Achievements

• 1. Reduced organic wastes in BMA schools and surrounding areas.
• 2. Provided cooking gas and soil conditioner for school grounds.
• 3. Promoted knowledge and awareness along with hand-on practices for the students which are the next generation.

■ Cost

• 2.2 million baht for installation cost which supported by BMA and 3.8 million baht for fesibility study cost which supported by AEDE.

■ Inquiries

• Department of Environment, Bangkok Metropolitan Administration
  (Tel) +66-2-2460687
  (Mail Address) wontana@yahoo.com

■ Related Links

• (Thai Only)
  http://www.bangkok.go.th/environment/