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Process of preparing a donor solvent for coal liquefaction - US Patent 4663028 Full Text
We have many times documented the use of "hydrogen donor solvents" in some established Coal liquefaction processes.
West Virginia University in fact, as we have several times reported, specifies the use of the hydrogen donor solvent "tetralin" in their "West Virginia Process" for the direct liquefaction of Coal.
We have also documented that some primary Coal liquids, extracted from Coal "tars" and Coal "oils", long known in the art, such as anthracene and phenanthrene, can, when suitably processed, serve as the hydrogen donor solvents for further Coal liquefaction.
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http://www.anl.gov/PCS/acsfuel/preprint%20archive/Files/39_4_WASHINGTON%20DC_08-94_1146.pdf
We have earlier, and will further, document and attempt to describe Shell Oil's "MDS", Middle Distillate Synthesis, technology for the conversion of hydrocarbon gasses into hydrocarbon liquid fuels, especially with regards to it's reduction to commercial practice at Bintulu, Malaysia.
Though most often associated with the catalytic transformation of natural gas into liquid hydrocarbons, it is planned at Bintulu, we believe, according to reports we've earlier relayed to the West Virginia Coal Association, for Shell's MDS technology to be deployed in conjunction with a lignite Coal conversion plant, using Shell's proprietary gasification technology, now under development according to other reports, to supply the needed Methane.
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We had intended to submit this report, documenting the Korean development of "tri-reforming" technology, similar to that we have earlier documented to be under development by Song and Grimes, et. al., at Penn State University, wherein Carbon Dioxide is reacted, recycled, with Methane, which itself can be synthesized from Carbon Dioxide via Sabatier-type technology, to synthesize higher hydrocarbons, at a later date.
However, based on a discovery of developments we just made, this report has taken on additional significance for us, as it well might for others, and we elected to transmit it immediately, with only minimal comment appended.
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We have, in our posts to the WV Coal Association, previously documented the carbon conversion expertise of UOP-Honeywell Corporation; the use of algae to capture Carbon Dioxide emissions; the conversion of oil derived from algae into jet fuel; and, multiple test flights made by airliners using such algae-based jet fuel.
Although, subsequent to other of our research, we tend now to favor technologies that directly, chemically capture and convert effluent Carbon Dioxide into both Methane and, via subsequent reforming with the Methane so produced, higher hydrocarbons; it's important, we think, to emphasize that multiple options do exist to make productive, profitable use of Coal's valuable CO2 by-product.
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Herein, via the two enclosed links, two attached files and two excerpts, we document that, even before some of those of us now teetering on the brink of geezerdom were born, both Big Oil and our US Government knew that, not only could Coal be converted into liquid fuels; but, so could Carbon Dioxide.
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