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Class Information
Number: 210/716
Name: Liquid purification or separation > Processes > Making an insoluble substance or accreting suspended constituents > Including step of manufacturing inorganic treating agent
Description: Process including a positive step of preparing the inorganic treating agent to be used to act upon the constituent.

Sub-classes under this class:

Class Number Class Name Patents
210/717 In situ 127

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8668888 Adsorbing agent containing titanium and iron compounds Mar. 11, 2014
RE44570 Reactive filtration Nov. 5, 2013
8268269 Manufacture of water chemistries Sep. 18, 2012
8182697 Method and apparatus for treating selenium-containing wastewater May. 22, 2012
8119011 Optimized alumina coagulants for water treatment Feb. 21, 2012
7988866 Method of treating fumed silica-containing drainage water Aug. 2, 2011
7988867 Method of treating silicon powder-containing drainage water Aug. 2, 2011
7967989 Groundwater recharging wastewater disposal method Jun. 28, 2011
7959800 Method for preparing acidic solutions of activated silica for water treatment Jun. 14, 2011
7938970 Method for clarifying water May. 10, 2011
7931822 Compositions and methods for wastewater treatment Apr. 26, 2011
7824570 Flocculating agent method for the production and use thereof Nov. 2, 2010
7820025 Methods of synthesizing an oxidant and applications thereof Oct. 26, 2010
7754099 Reducing water purification material, method for producing reducing water purification material, method for treating wastewater, and wastewater treatment apparatus Jul. 13, 2010
7713423 Reactive filtration May. 11, 2010
7674374 Method for preparing acidic solutions of activated silica and polyvalent metal salt for water treatment Mar. 9, 2010
7666310 Method of drying organic liquid electrolytes Feb. 23, 2010
7645389 Process and compositions for the purification of water Jan. 12, 2010
7591952 Water treatment mixture and methods and system for use Sep. 22, 2009
7481939 Method for removal of phosphate from bodies of water by topical application of phosphate scavenging compositions with a hand held, hose end sprayer Jan. 27, 2009
7476324 Methods of synthesizing a ferrate oxidant and its use in ballast water Jan. 13, 2009
7445718 Removal of arsenic from drinking and process water Nov. 4, 2008
7438828 Water treatment mixture Oct. 21, 2008
7404898 Method and installation for the production of lime water from deionised water Jul. 29, 2008
7384573 Compositions for wastewater treatment Jun. 10, 2008
7338617 Process for preparing a flocculant for water treatment Mar. 4, 2008
7314569 Treatment of arsenic-contaminated water using akaganeite adsorption Jan. 1, 2008
7279103 Process for the purification of acidic metal-bearing waste waters to permissible discharge levels with recovery of marketable metal products Oct. 9, 2007
7077963 Processes for water treatment Jul. 18, 2006
7048860 Material for treating acidic waste water May. 23, 2006
6926878 Method for removing toxic substances in water Aug. 9, 2005
6923917 Phosporous removal from animal waste Aug. 2, 2005
6916431 Precipitating chemical Jul. 12, 2005
6896817 Essentially insoluble heavy metal sulfide slurry for wastewater treatment May. 24, 2005
6863819 Water treatment method Mar. 8, 2005
6843932 Inorganic electrolytic coagulant and a method of transforming sludge by using this inorganic electrolytic coagulant Jan. 18, 2005
6830696 Treatment of spent pulping liquor with lignin separation to recover alkali pulping chemicals in manufacture of paper pulp Dec. 14, 2004
6706197 Method for reducing phosphorus in a body of water Mar. 16, 2004
6607667 Method for adsorbing substances using silica adsorbent on magnetic substrate Aug. 19, 2003
6537464 Mid-basicity aluminum compounds and methods of making Mar. 25, 2003
6533943 Process for the removal of oxidizing agents Mar. 18, 2003
6527975 Mineral oxide liquid concentrates for water and wastewater treatment Mar. 4, 2003
6464883 Remover of fluoride ion and treatment method for wastewater containing fluoride ion using the same Oct. 15, 2002
6454963 Elixir for removing metals from wastewater Sep. 24, 2002
6454949 Highly accelerated process for removing contaminants from liquids Sep. 24, 2002
6454962 Elixir for removing metals from wastewater Sep. 24, 2002
6419832 Process for removing dissolved uranium from water Jul. 16, 2002
6419836 Composition for treatment of water and reconditioning of soils Jul. 16, 2002
6383398 Composition and process for remediation of waste streams May. 7, 2002
6375919 Method for the manufacture of ferric sulfate solution and a water treatment agent using the same Apr. 23, 2002

1 2 3 4

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