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Class Information
Number: 210/737
Name: Liquid purification or separation > Processes > Making an insoluble substance or accreting suspended constituents > Including temperature change
Description: Process including the step of changing the temperature, e.g., by heating or cooling.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8709257 (4935 Apr. 29, 2014
8652304 Process for separating solids from valuable or harmful liquids by vaporisation Feb. 18, 2014
8491796 Treatment of solid-stabilized emulsions Jul. 23, 2013
8480904 Extraction and winterization of lipids from oilseed and microbial sources Jul. 9, 2013
8328996 Method and apparatus for desalinating water combined with power generation Dec. 11, 2012
8317982 FGEPSC (flared, gas exhaust, pneumatic, saturation and condensation) process and system Nov. 27, 2012
8287738 Process for removing impurities from iron chloride solutions Oct. 16, 2012
8283295 Oil solids precipitation Oct. 9, 2012
8231792 Purification of ionic liquids Jul. 31, 2012
8192631 Fluid treatment device and method Jun. 5, 2012
8187429 Wastewater treatment apparatus and method with stair-like heat treatment tanks May. 29, 2012
8158075 Etching solution reproducing apparatus and etching solution reproduction method Apr. 17, 2012
8153011 Method for separating off coloring components from aqueous plant extracts Apr. 10, 2012
8119011 Optimized alumina coagulants for water treatment Feb. 21, 2012
8101086 Oil/water separation of full well stream by flocculation-demulsification process Jan. 24, 2012
8092656 Method and apparatus for high efficiency evaporation operation Jan. 10, 2012
8083950 Methods for recovering organic-inorganic element-doped metal oxides from hydrolysable metal compounds associated with contaminated water treatment Dec. 27, 2011
8062530 Method for treatment of high pH/silica brines Nov. 22, 2011
8048309 Seawater-based carbon dioxide disposal Nov. 1, 2011
8048314 Method for treating chlorine-containing waste Nov. 1, 2011
8029650 Antifreeze recycling systems Oct. 4, 2011
7943048 Methods for recovering tallow from wastewater May. 17, 2011
7935261 Process for treating waste drilling mud May. 3, 2011
7914685 Rocks and aggregate, and methods of making and using the same Mar. 29, 2011
7875188 Treatment of aqueous suspensions Jan. 25, 2011
7867399 Method for treating waste drilling mud Jan. 11, 2011
7828979 Method of converting animal wastes to energy and useful by-products Nov. 9, 2010
7794603 Method for purification of contaminated water Sep. 14, 2010
7758757 Method for removing hydrazine compounds Jul. 20, 2010
7736518 Separating mixtures of oil and water Jun. 15, 2010
7736519 Method for processing aqueous effluents containing metal nitrate or nitrite salts Jun. 15, 2010
7713416 Process for transforming sludge into NPK type granulated fertilizer May. 11, 2010
7695626 Extraction and winterization of lipids from oilseed and microbial sources Apr. 13, 2010
7681643 Treatment of brines for deep well injection Mar. 23, 2010
7641801 Method for removing manganese from nickel laterite waste liquors Jan. 5, 2010
7604702 Method, apparatus, and system for bi-solvent based cleaning of precision components Oct. 20, 2009
7601264 Method for treatment of plating solutions Oct. 13, 2009
7578941 Length-based liquid-liquid extraction of carbon nanotubes using a phase transfer catalyst Aug. 25, 2009
7575690 Recycling hydrocarbon hydraulic stimulation fluid Aug. 18, 2009
7572382 Recycling hydrocarbon hydraulic stimulation fluid Aug. 11, 2009
7568523 Treatment of cesium-containing fluids Aug. 4, 2009
7560028 Complex admixtures of clathrate hydrates in a water desalination method Jul. 14, 2009
7530398 Method and apparatus for a cold flow subsea hydrocarbon production system May. 12, 2009
7514005 Method of processing drilling fluid Apr. 7, 2009
7497956 Method for stabilizing and conditioning urban and industrial wastewater sludge Mar. 3, 2009
7485234 Hydrate-based desalination using compound permeable restraint panels and vaporization-based cooling Feb. 3, 2009
7455763 Recycling process for demetalization of hydrocarbon oil Nov. 25, 2008
7455797 Method and apparatus for producing particles using supercritical fluid Nov. 25, 2008
7442311 Emulsion and effluent treatment processes Oct. 28, 2008
7419603 Water treatment method Sep. 2, 2008

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