Use of waste heat from Fischer-Tropsch synthesis to form dry...

Details Use of waste heat from Fischer-Tropsch synthesis to form dry... Use of waste heat from Fischer-Tropsch synthesis to form dry...

2007-09-18

2007-09-18

Parsa, J. (Department: 1621)

Chemistry: fischer-tropsch processes; or purification or recover

Miscellaneous

C044S626000, C048S127100, C048S127900, C110S224000, C110S229000, C110S232000

Reexamination Certificate

active

11499938

ABSTRACT:
A method and a system for drying a biomass, wet pulverized coal or combinations thereof, using heat from a Fischer-Tropsch synthesis in a heat exchanger to heat a nitrogen gas, using a flue gas in a heater to heat the heated nitrogen gas to a higher temperature, passing the twice heated nitrogen gas through apparatus to pulverize the fuel source of coal, biomass or both, forming a gas/particulate stream, filtering the gas/particulate stream in a filter to remove dried fuel feed stocks and using a blower to form a first steam and nitrogen mixture for discharge, and a second steam and nitrogen mixture for mixing with additional dry nitrogen gas for introduction to the first step of the method, at the heat exchanger.

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