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Alternative paths to alcohols and hydrocarbons from biomass
(United States. Patent and Trademark Office, 2013-08-27)
A method of producing hydrocarbons from biomass that includes converting at least a portion of the biomass into a first product having at least one of a carboxylic acid, a ketone, an ammonium carboxylate salt, and combinations ...
Method for conversion of biomass to chemicals and fuels
(United States. Patent and Trademark Office, 2000-03-28)
This invention provides a method for thermally converting volatile fatty acid (VFA) salts to ketones by mixing dry calcium salts of VFAs with hot heat transfer agent in an evacuated container, thereby causing thermal ...
Quasi-isothermal brayton cycle engine
(United States. Patent and Trademark Office, 2005-05-03)
An engine includes a compressor, and combustor, and an expander. The compressor compresses ambient air. The combustor burns the compressed air, and produces exhaust gasses. The expander receives the exhaust gases from the ...
Calcium hydroxide pretreatment of biomass
(United States. Patent and Trademark Office, 1997-12-02)
Lignocellulose-containing materials are treated with lime (calcium hydroxide) and water at a relatively high temperature and for a certain period of time under certain conditions. The process variables were: lime loading ...
Recovery of fermentation salts from dilute aqueous solutions
(United States. Patent and Trademark Office, 1999-11-16)
Dilute solutions of fermentation sales may be concentrated by extracting water using low-miscibility, low-molecular-weight secondary and tertiary amines, e.g. triethylamine (TEA), diisopropyl amine (DIA), N,N-diethylmethylamine ...
Method and apparatus for vapor compression refrigeration and air conditioning using liquid recycle
(United States. Patent and Trademark Office, 1992-03-24)
A high efficiency evaporative intercooler/compressor assembly in which compressed refrigerant vapors are desuperheated by the introduction of a selected liquid refrigerant is disclosed. Additionally, the present invention ...