United States Patent: 9057031

In an earlier report, made some years ago:

Exxon Co-Gasifies Coal and Carbon-Recycling Biomass | Research & Development | News; concerning: "United States Patent Application 20100083575 - Co-gasification Process for Hydrocarbon Solids and Biomass; April, 2010; Inventors: Ramesh Varadaraj, et. al., NJ; Assignee: ExxonMobil Research and Engineering Company, NJ; Abstract: A process for the co-gasification of carbonaceous solids (coal) and biomass in which the biomass material is pyrolyzed to provide a biomass pyrolysis oil and biomass char or coke which are then mixed with the carbonaceous solid to form a slurry. This slurry is then heated if necessary to achieve a viscosity which can be processed conveniently in the gasifier. The heat required for pyrolyzing the biomass can conveniently be obtained from the heat exchanger used to cool the hot synthesis gas product emerging from the gasifier. Claims: A process for forming a slurry feed for the gasification to synthesis gas of solid carbonaceous particles and solid biomass ... wherein the solid carbonaceous particles comprise coal (or) a coke derived from coal (and) wherein the biomass comprises biological matter selected from wood, plant matter, municipal waste, green waste, byproducts of farming or food processing waste, sewage sludge, black liquor from wood pulp, and algae";

 
There's a lot more going on here than meets the eye. We're trying to get a CoalTL report together that will start to tie some of the things involved together, and we'll build on that in the future. It's complicated.
 
But, our computer/connectivity issues remain a plague on us - - in addition to Joe's health issues, which we still have to get somehow resolved - - and, since we might not be able to do as good or as coherent and thorough a job of it as we might wish, we wanted to introduce the issue/topic to you all so that the whole deal might be clearer as our reports on it do finally evolve.

aaqr.org/VOL14_No2_March2014/8_AAQR-13-09-OA-0283_533-549.pdf

Is truth sometimes stranger than fiction?

Believe it or not, the United States Environmental Protection Agency has recently begun to recommend the solar-powered, or other renewable energy-driven, conversion of Carbon Dioxide, as recovered from whatever handy source, into hydrocarbon fuels; that, following research funded in part by, and performed in partnership with, the Consortium for Clean Coal Utilization (CCCU) at Washington University in St. Louis, Missouri.

0002533710 METHOD OF OBTAINING METHANE FROM ATMOSPHERIC CARBON DIOXIDE

Carbon Dioxide, as is co-produced in only a small way - - relative to some all-natural, un-taxable, and totally non-political sources of it's emission, such as the Earth's inexorable processes of planetary volcanism - - by our economically essential use of Coal in the generation of abundant, affordable and reliable electric power, can be seen and treated as a valuable raw material resource.

http://www.netl.doe.gov/File%20Library/Research/Coal/energy%20systems/gasification/gasifipedia/24th-Annual-International-Pittsburgh-Coal-2007-Wix.pdf

We've many times documented that Coal can be gasified; that is, partially combusted or partially oxidized; and, that the resulting mix of gases, primarily Carbon Monoxide and Hydrogen, known as synthesis gas, or "syngas", can then be catalytically, chemically condensed into, depending in part upon the mix of catalysts used,  virtually any and all types of liquid and gaseous hydrocarbon fuels.


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