Solid Waste & Recycling

Feature

It's a Gas!

Waterloo, Ontario-based OE Gasification had announced that its South Korean Partner, Kentec Engineering, will have three new gasification plants operating this year, bringing to seven the number of ga...


Waterloo, Ontario-based OE Gasification had announced that its South Korean Partner, Kentec Engineering, will have three new gasification plants operating this year, bringing to seven the number of gasification plants using the SK1000 gasification technology for the thermal treatment of municipal solid waste in South Korea.

“The success of this technology lies in the consistent reliability of the plants and low emission levels”, says Kim Sung Chun, President of Kentec Engineering. “The plants are easy and safe to operate, and have gained the public’s trust.”

Kentec Engineering built its first plant in 2001 to prove that the technology works, and got its certificate of approval. The second plant become operational in 2003 and now five will have been commissioned in 2006 and 2007.

“This is exciting news for OE Gasification,” says Jan d’Ailly, CEO of OE Gasification, “with the growing interest in gasification as a part of comprehensive waste management in Canada.”

The SK1000 is a modular gasification technology that was developed in Norway, and is ideally suited to applications requiring up to about 150 tonnes per day of waste.

How it works

The OE Gasification system is a “down draft under pressure” system. Municipal solid waste enters the primary chamber. As it drops down it goes through the primary chamber, drying, pyrolysis, and gasification stages, producing energy-rich synthetic gas (syngas). This syngas then migrates through the waste and into the secondary chamber. The three processes are closely monitored with a control system that regulates inert gas and fresh air.

In the secondary chamber, air is added. The syngas combusts and a hot flue gas are created. This flue gas goes through a cyclone to separate out the remaining particles leaving a hot clean flue gas that may be used to create power via steam or hot water through a boiler.

The entire gasification plant includes a complete air emission control system consisting of lime and carbon injection, and a bag filter. A continuous emission monitoring system is used and ensures that plant emissions meet the toughest regulatory guidelines.

A single module processes 7,000 tonnes/ year of waste and produces 6 MMBtu of steam or hot water or 0.5 MW of electricity.

NOTE:Our regular Waste Business columnist John Nicholson will take a closer look at gasification in the next edition.

Contact Jan d’Ailly, OE Gasification, at jdailly@organicenergy.ca


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