Cyclical reaction of calcium carbonate
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United States of America Patent
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May 18, 2021
Grant Date -
Apr 11, 2019
app pub date -
Oct 5, 2018
filing date -
Oct 5, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
The invention is directed to kits, compositions, tools and methods comprising a cyclic industrial process to form biocement. In particular, the invention is directed to materials and methods for decomposing calcium carbonate into calcium oxide and carbon dioxide at an elevated temperature, reacting calcium oxide with ammonium chloride to form calcium chloride, water, and ammonia gas; and reacting ammonia gas and carbon dioxide at high pressure to form urea and water, which are then utilized to form biocement. This cyclic process can be achieved by combining industrial processes with the resulting product as biocement. The process may involve retention of calcium carbonate currently utilized in the manufacture of Portland Cement.
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International Classification(s)
- C01C:AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- C12P:FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESI....
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C01F:COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUM....
- G01F:MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUI....
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