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Class Information
Number: 210/721
Name: Liquid purification or separation > Processes > Making an insoluble substance or accreting suspended constituents > Including oxidation
Description: Process which include a step of oxidizing a constituent of the liquid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7413664 |
Selenium removal process |
Aug. 19, 2008 |
| 7404902 |
Method for treating water |
Jul. 29, 2008 |
| 7384562 |
Treatment of brown grease |
Jun. 10, 2008 |
| 7374694 |
Method for remineralizing raw water |
May. 20, 2008 |
| 7374687 |
Method of decolorizing stock-raising treatment water |
May. 20, 2008 |
| 7361283 |
Extraction and treatment of heavy metals |
Apr. 22, 2008 |
| 7354733 |
Method for sorting and separating living cells |
Apr. 8, 2008 |
| 7335309 |
Method for removing metal compounds from waste water |
Feb. 26, 2008 |
| 7335308 |
Method for treatment of liquids, in particular, for purification of contaminated water |
Feb. 26, 2008 |
| 7320759 |
Sludge treatment method |
Jan. 22, 2008 |
| 7300589 |
Process for removing arsenic from aqueous streams |
Nov. 27, 2007 |
| 7294268 |
Metal containing waste water treatment method and metal containing waste water treatment equipment |
Nov. 13, 2007 |
| 7273559 |
Process for removal of impurities from an oxidizer purge stream |
Sep. 25, 2007 |
| 7267778 |
Device and process for treating a liquid medium |
Sep. 11, 2007 |
| 7264734 |
Method for treating dredged material |
Sep. 4, 2007 |
| 7252843 |
Composition for cleaning contained bodies of water |
Aug. 7, 2007 |
| 7244363 |
Methods for treating heavy halide brines with permanganates |
Jul. 17, 2007 |
| 7238287 |
Method for providing safe, clean chlorinated recreational water |
Jul. 3, 2007 |
| 7220360 |
Integrated technology in sequential treatment of organics and heavy metal ions wastewater |
May. 22, 2007 |
| 7166227 |
Method of treating digested sludge |
Jan. 23, 2007 |
| 7156995 |
Aeration tank control valve system |
Jan. 2, 2007 |
| 7157009 |
Method for removing Cryptosporidium oocysts from water |
Jan. 2, 2007 |
| 7115201 |
Method of treating mine drainage |
Oct. 3, 2006 |
| 7077963 |
Processes for water treatment |
Jul. 18, 2006 |
| 7033507 |
Method for removing metals from acid mine drainage |
Apr. 25, 2006 |
| 7014770 |
Filtering method of a colloidal solution |
Mar. 21, 2006 |
| 7008543 |
Use of chlorine dioxide and ozone for control of disinfection by-products in water supplies |
Mar. 7, 2006 |
| 6991730 |
Methods for removing organolead compounds from aqueous compositions |
Jan. 31, 2006 |
| 6986840 |
Methods for removing organolead compounds from non-aqueous compositions |
Jan. 17, 2006 |
| 6984328 |
Method for removing metals from aqueous solutions using mixed lithic materials |
Jan. 10, 2006 |
| 6962629 |
Method for moving contaminants from gases |
Nov. 8, 2005 |
| 6942808 |
Oxidative evaporation process and apparatus |
Sep. 13, 2005 |
| 6932909 |
Method of treating mine drainage |
Aug. 23, 2005 |
| 6916427 |
Electrochemical method for treating wastewater |
Jul. 12, 2005 |
| 6913698 |
Method for reducing COD (chemical oxygen demand) in waste water by using O3 with valent ion chelation |
Jul. 5, 2005 |
| 6884358 |
Liquid treatment methods |
Apr. 26, 2005 |
| 6884391 |
Photo-assisted oxidation of inorganic species in aqueous solutions |
Apr. 26, 2005 |
| 6863819 |
Water treatment method |
Mar. 8, 2005 |
| 6863826 |
Animal waste effluent treatment |
Mar. 8, 2005 |
| 6863825 |
Process for removing arsenic from aqueous streams |
Mar. 8, 2005 |
| 6827874 |
Water treatment compositions |
Dec. 7, 2004 |
| 6824691 |
Process for treating liquid manure |
Nov. 30, 2004 |
| 6808636 |
Treatment of sewage sludge |
Oct. 26, 2004 |
| 6802979 |
Composition and method for treating polluted waters and water sediments |
Oct. 12, 2004 |
| 6797195 |
Method for recovering and separating metals from waste streams |
Sep. 28, 2004 |
| 6787043 |
Water purification system and method |
Sep. 7, 2004 |
| 6773603 |
Chemical removal and suspended solids separation pre-treatment system |
Aug. 10, 2004 |
| 6755973 |
Waste water treatment process for animal processing contaminant removal |
Jun. 29, 2004 |
| 6736979 |
Device and process for treating a liquid medium |
May. 18, 2004 |
| 6733679 |
Method of treating an electroless plating waste |
May. 11, 2004 |
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