Updated on November 17, 2019


Created on June 6, 2016

DTW Lotus Biogas Burner

Upcoming Update

Distributed by DTW in Cambodia, this is a biogas burner for off-grid households.

Developed By Unknown
Content Partners


Product Description

The Lotus burner is a single burner with modifications for primary air mixing and flame length using biogas as a fuel. The Lotus burner is intended for domestic use with decentralized biodigesters and stemmed from a research initiative funded by SNV and the National Biogas Programme of Cambodia. The Lotus stove was derived from the widely distributed Nepal biogas burner. For September 2018, this product is discontinued.

DTW is located in Phnom Penh, Cambodia.


Market Suggested Retail Price


Distributors / Implementing Organizations

The National Biodigester Programme has a retail sale office where interested customers can go in person to purchase a biogas stove. Development Technology Workshop designed and manufactures the lotus stove. Netherlands Development Organization (SNV) supported the design and actively distributes the stove among their project partners.

Manufacturing/Building Method

It used to be mass produced, however, for September 2018, the manufacturing of this product is unknown.

Intellectural Property Type


User Provision Model

Users can obtain the product from the National Biogas Programme retail office. The NBP office receives the stoves from the manufacturer, Development Technology Workshop.

Distributions to Date Status

Design Specifications

20 bored D shaped burner ports at 5.5 mm wide and 4.5 mm deep on the vertical face of the burner. Premixed flame with varying stove body configurations to match end-user preference.

Technical Support

Provided by the manufacturer, Development Technology Workshop.

Replacement Components

Rubber o-ring in the tap every 3-4 years  interview with representative


5 - 6 years interview with representative

Manufacturer Specified Performance Parameters

Carbon monoxide emissions (PPM), flue temperature, thermal efficiency and time to boil.

Vetted Performance Status

Available upon request to the manufacturer email with representative: The efficiency and gas consumption at ACTUAL CONDITIONS (T=21oC and P=1011mBar), the efficiency and gas consumption at STP (With T=0oC and P=1013..25mBar), Flame behaviour (with cooking vessel and without cooking vessel), wind sensitivity (with cooking vessel, without cooking vessel), the temperature at the base of the stoves after 1 hour use with a 35 cm cooking vessel on a wooden table, CO production at different aeration positions, flame extinction due to flame lift, need for regular maintenance of the stove i.e. oiling of the gas tap; rigidness against rough usage.


Be sure to use a flame arrestor to prevent upstream flame propagation.

Complementary Technical Systems

Varying types of biodigesters.

Academic Research and References

SNV Netherlands Development Organisation, Khandelwal, K. C., & Gupta, V. (2009, February). Popular Summary of the Test Reports on Biogas Stoves and Lamps prepared by testing institutes in China, India and the Netherlands. SNV Netherlands Development Organisation.

Decker, T (2017). A modeling tool for household biogas burner flame port design. Colorado State University.

Compliance with regulations

National Standard of the People’s Republic of China on Domestic Biogas Stove: GB/T 3606-2001.

Other Information


Leave a Reply

Explore similar solutions


September 19, 2023

Lotus Water Chlorine Dosing Device

Read Solution

Implemented by

Stanford Researchers and the International Centre for Diarrhoeal Disease Research, Bangladesh


August 8, 2021

Prakti Single Burner Wood Stove

Read Solution


September 10, 2021

Montals F2-m Biogas Stove

Read Solution


July 26, 2019

TINYTECH Portable Biogas Plant

Read Solution


August 7, 2020

SimGas Biogas Milk Chiller

Read Solution


October 19, 2020

Green Heat Biogas Digester

Read Solution
All Solutions

Contribute to E4C's Library of Breakthrough Sustainable Development Technology Solutions

Suggest A Solution

Get more information about Solutions Library and its features.

Learn More

Have thoughts on how we can improve?

Give Us Feedback

Join a global community of changemakers.

Become A Member