>Hi Tom,
>This looks very interesting project. Can you please share project report or any details of configuration? What have you been thinking for gas clean up and tar >elimination? I can't say more than what they have presented to the public. Some of the details are "patent pending." Look at slide 3 of their UBC project profile: http://www.nexterra.ca/PDF/Project_Profile_UBC_20120326.pdf You'll see that they: 1. take the low temperature gas from the gasifier, 2. heat it with waste heat from cracked gas, 3. burn the heated gas enough to reduce tars through partial oxidation, 4. cool the gas, 5. filter it, 6. then they cool and condense the gas before going to the engine. These are steps they have developed over the last several years for various industrial heat applications, and at 250 kWe at their pilot plant for 3,000 hours. They appear to have met their targets for gas cleaning. At the Pacific West Biomass Meeting in San Francisco in January they showed photos of their engine and oil inspection data for the 250 kWe genset after 2814 hours. The engineer responsible for the operation of their engine at UBC has significant experience with GE Jenbacher engines for a variety of fuels and applications. He is absolutely confident about the cleanliness of the gas and the expected low maintenance on the engine. "Seeing is believing" in this business so we will soon find out. The system just has to run, and run, and run. . . Tom
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