Esso/Exxon Liquefies Coal with Coal Oil in 1972

Patent US3645885

We've documented a number of times that primary Coal tars, or Coal oils, "long known in the art", as they are commonly described, can be utilized as agents of Coal liquefaction and hydrogenation.
 
And, we've documented from several sources that, in some processes of Coal liquefaction, as in some processes of Carbon Dioxide recycling through reforming with Methane, Carbon settlement and deposition on catalyst surfaces and in catalyst zones can slow and impair the hydrogenation reactions.
 

Consol 1965 CoalTL

Patent US3184401
 
 
Continuing our upward chronological trek through the Coal conversion and liquefaction technologies developed by Pittsburgh's Consolidation Coal Company, we submit this relatively ancient US Patent, from a year in which some of us geezers were just freshmen in high school.
 
Comment follows excerpts from Everett Gorin's process for cleaning up and purifying liquid hydrocarbons produced from Coal:
 
"United States Patent 3,184,401 - Hydrogen-Enriched Products from Coal
 

The US Owns CO2 to Methanol Technology

United States Patent: 3959094 
 
We have recorded for you that corporate proxies of our US Department of Defense, including United Technologies and Hamilton Standard, own patented technologies, which we presume to have been developed under government contract, for the recycling of Carbon Dioxide, extracted from the environment, into liquid fuels.
 
We have also reported on the Carbon Dioxide recycling technologies developed, and being developed, at several of our US DOE's National Laboratories, including Los Alamos, Sandia and Brookhaven.
 
From the Brookhaven, New York, National Laboratory, we have cited, and will further cite, the Carbon conversion work of Meyer Steinberg. 
 

Louisiana 1951 Coal Conversion

Low-pressure hydrocarbon synthesis process
 
 
With voices of note now urging, with a stab at artful allusion, that someone, anyone, get to the "bottom" of Louisiana's undersea oil spill, we started mining - not down into the accumulated and hidden layers of oil company boardroom cesspits, but, through the accessible, though sadly unnoticed, strata of published literature.
 
And, we dug up the fact that, more than half a century ago, Louisiana, Big Oil and our US Government knew that they didn't have to drill deep into the Gulf, with ocean oil platforms, at the southern end of the state, to get oil.
 

Exxon/Esso Improves CoalTL in 1972

Patent US3700583 
 
As we continue our chronological tramp through Exxon's development of Coal liquefaction technologies, we find that, in 1972, they figured out a way to increase the production of liquids from Coal, and to reduce the waste of Carbon.
 
Comment follows brief excerpts from:
 
"United States Patent 3,700,583 - Coal Liquefaction Using Carbon Scavengers
 
Date: October, 1972