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Class Information
Number: 210/909
Name: Liquid purification or separation > Materials removed > Organic > Aromatic compound (e.g., pcb, phenol, etc.)
Description: Collection of disclosures under collection 908 in which the material contains a benzene radical.










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

Patent Number Title Of Patent Date Issued
8709263 (4929 Apr. 29, 2014
8673152 Methods for polishing wastewater utilizing a bed of commingled bauxite residue and iron filings Mar. 18, 2014
8414775 Method of using polyvinypolypyrrolidone to remove contaminants from produced water of an oil or gas well Apr. 9, 2013
8404210 Iron composition based water filtration system for the removal of chemical species containing arsenic and other metal cations and anions Mar. 26, 2013
8123953 Use of PVPP to remove contaminants from produced water of an oil or gas well Feb. 28, 2012
8101088 Method for depolluting aqueous media containing organic pollutants Jan. 24, 2012
8088281 Separation of hydrocarbons from water Jan. 3, 2012
8048317 Generation of free radicals, analytical methods, bacterial disinfections, and oxidative destruction of organic chemicals using zero valent iron and other metals Nov. 1, 2011
8034156 Method for producing decomposer of organic halogenated compounds Oct. 11, 2011
7910516 Decomposer of organic halogenated compounds Mar. 22, 2011
7833423 Enhanced oxidation process for removal of water and soil contaminants Nov. 16, 2010
7662294 Method for reducing organic contamination Feb. 16, 2010
7575689 Naphthenic acid removal process Aug. 18, 2009
7537706 Microporous diffusion apparatus May. 26, 2009
7534851 Method for purifying wastewater May. 19, 2009
7459089 Microporous diffusion apparatus Dec. 2, 2008
7449115 Method for the accelerated dialytic recovery of foreign substances from passive collectors consisting of semipermeable membranes having different dimensions Nov. 11, 2008
7445717 Process for treating waste from the production of energetics Nov. 4, 2008
7413655 Method for the biological breakdown of effluent containing nitroaromatics Aug. 19, 2008
7396454 Method for cleaning tar-bearing waste water and apparatus for performing said method Jul. 8, 2008
7393452 Compositions and methods for the treatment of wastewater and other waste Jul. 1, 2008
7371324 Chemical process May. 13, 2008
7344650 Process for the working-up of waste waters containing aromatic nitro compounds Mar. 18, 2008
7235181 Metal powder for decomposition of organic halogen and method for manufacturing the same Jun. 26, 2007
7144509 Process and apparatus for waste water treatment Dec. 5, 2006
7138059 Environmental bioremediation using shell as an electron donor Nov. 21, 2006
7115203 Remediation with ozone of sediments containing organic contaminants Oct. 3, 2006
7022241 Gas-gas-water treatment system for groundwater and soil remediation Apr. 4, 2006
7011749 Remediation with ozone of sediments containing organic contaminants Mar. 14, 2006
6984329 Coated microbubbles for treating an aquifer or soil formations Jan. 10, 2006
6936170 Methods and apparatus for biological treatment of aqueous waste Aug. 30, 2005
6908559 Process for treating a solid-liquid mixture Jun. 21, 2005
6827861 Gas-gas-water treatment system for groundwater and soil remediation Dec. 7, 2004
6815050 Porous composite product for the absorption of organic compounds Nov. 9, 2004
6790358 Composition for removing trace impurities from inert, non-reactive and reactive liquids Sep. 14, 2004
6773609 Advanced water treatment system and advanced water treatment method Aug. 10, 2004
6723249 Detoxification of onium compounds Apr. 20, 2004
6719902 Fe(o)-based bioremediation of aquifers contaminated with mixed wastes Apr. 13, 2004
6632973 Method for decomposing or oxidizing dioxins and/or poly chlorinated biphenyls contained in liquid Oct. 14, 2003
6576144 Method and apparatus for pretreatment of wastewater streams by chemical oxidation Jun. 10, 2003
6544426 Method of quickly decomposing and removing an organic chlorine compound by a hollandite-type photocatalyst Apr. 8, 2003
6511604 Method of treating a liquid material and treatment facilities Jan. 28, 2003
6502633 In situ water and soil remediation method and system Jan. 7, 2003
6491822 Protection of crossflow membranes from organic fouling Dec. 10, 2002
6475387 Microbiological method for eliminating a nitroaromatic compound Nov. 5, 2002
6423151 Removal of toxic contaminants from porous material Jul. 23, 2002
6401731 Method of decontaminating PCB transformers Jun. 11, 2002
6402966 Method and apparatus for processing biologically hardly degradable waste water capable of reducing ozone Jun. 11, 2002
6395188 Treatment of water containing organic wastes with ammonium nitrate May. 28, 2002
6358419 Process for the purification of wastewater from the aldolization reaction Mar. 19, 2002

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