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We've documented many times from many sources the great potential value of Coal Ash, to the Cement and Concrete manufacturing and construction industries.
In the most straightforward way, as explained for one instance in:
West Virginia Coal Association | US EPA Headquarters Housed in Coal Ash | Research & Development; wherein we're told, in part, that: "fly ash has been used in concrete since the 1930’s. Most notably, it has been used in several construction projects and prominent buildings, including the Ronald Reagan Government Office building, home to the Environmental Protection Agency (EPA) in Washington, D.C.";
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We've documented many times that the potential exists for what is, essentially, the electrolysis of Carbon Dioxide, or co-electrolysis of CO2 with a co-reactant, usually H2O, a process sometimes referred to as "syntrolysis", in order to chemically reduce or recombine Carbon Dioxide, and/or it's co-reactants, into more active chemical species.
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As we've documented in many previous reports, one factor key to the conversion of our abundant Coal and our - - some say - - too abundant Carbon Dioxide into desired hydrocarbons via established and available processes is a ready supply of elemental, molecular Hydrogen.
Hydrogen can be supplied by involving H2O, whether in the form of liquid Water or Steam, in the reactions; but, such processes do require a larger input of energy than others, related, where elemental Hydrogen itself is available and can be utilized.
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The concept of a solid "foam", both firm and to some greater or lesser extent flexible, should be one pretty much familiar, through experience, to just about everyone by now.
Some commonplace examples would be the insulated cups you buy take-out coffee in and the cushions you plant your fanny on when you're driving your car. There are other examples, too, like insulation board, which, unlike the cups and cushions, is much more rigid; in a way, "stronger".
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First, we apologize in advance for the complex, and no doubt confusing, structure of the report we bring to you herein. We note that there will be some seeming repetition within it, resulting from our attempt to reproduce for you the critical facts concerning the productive and beneficial use of Coal Ash in road and highway construction, as presented by the Federal Highways Administration, FHWA, as faithfully, though succinctly, as was possible for us.
Our report contains a lot of links to separate chapters and associated information that are all part of the core document accessible via the initial link above.
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