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- Biogas, or bio-energy, refers to gas fuel mainly composed of methane (), produced from anaerobic fermentation of   organic resources, such as livestock excretion, food waste, and sewage sludge.
- Biogas Generation : Produces electrical power and heat energy with biogas made from waste used as the co-  generator fuel.
- EROOM G&G¡¯s E3 System for biogas co-generation produces and supplies heat and electrical power using biogas.
The biogas co-generation system - the first in Korea developed through EROOM G&G¡¯s research on low-emission
LPG retrofitting
Economy : The biogas co-generator enhances consumer economical efficiency.
Efficiency : High-efficiency energy system applicable to various fuels, such as natural gas and biogas
Environment : Reduces exhaust gas, including carbon dioxide () Alternative disposal of land waste by using biogas
- providing both heat and hot water with the waste heat produced during the generation process
- The electrical power can be used in connection with the power grid.
- The energy efficiency is 30% higher than general energy production systems that individually provide heat and electrical power.
Key Construction Accomplishments
Facility Location

Operation Period

Period System Mode Remarks
Sillim Social
Welfare Center
Sillim 7-dong, Gwanak-gu, Seoul Since
Mar. 4, ¡®06

ER-E3-30

Provides an average of 220§Òh per day Replaced 150,000§»/h boilers
Mojeon Farming
Union of Icheon

260, Mojeon-ri, Baeksa-myun, Icheon-si, Gyeonggi-do

Since
Jan. 30, ¡®07

ER-E3-B30

Provided a biogas co-generation system for the first time in Korea

AsanEnvironment
Affairs Agency

283-5, Silok-dong, Asan-si, Chungcheongnam-do

08.03
(Estimated)

ER-E3-B75
(2 units)

Produces heat and electrical power by processing combined waste including sewage sludge and food waste