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Class Information
Number: 210/724
Name: Liquid purification or separation > Processes > Making an insoluble substance or accreting suspended constituents > Utilizing precipitant, flocculant, or coagulant, each with accelerator or with each other or plural precipitants, flocculants, or coagulants > Regulating ph
Description: Process in which a pH adjusting substance is added in addition to the precipitant.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622047 |
Fluidized bed wastewater treatment |
Nov. 24, 2009 |
| 7618538 |
Procedure for elimination of boron from sea-water by reverse osmosis membranes |
Nov. 17, 2009 |
| 7608190 |
Process for removing barium from water |
Oct. 27, 2009 |
| 7595001 |
Process for the treatment of saline water |
Sep. 29, 2009 |
| 7575691 |
Method for cleaning contained bodies of water |
Aug. 18, 2009 |
| 7575690 |
Recycling hydrocarbon hydraulic stimulation fluid |
Aug. 18, 2009 |
| 7572382 |
Recycling hydrocarbon hydraulic stimulation fluid |
Aug. 11, 2009 |
| 7563373 |
Removal of phosphorous from wastewater |
Jul. 21, 2009 |
| 7510660 |
Contaminant removal method for a body of water |
Mar. 31, 2009 |
| 7501025 |
Process and apparatus for the conversion of biomass |
Mar. 10, 2009 |
| 7491333 |
Industrial waste water treatment process |
Feb. 17, 2009 |
| 7491337 |
Method and apparatus for removing contaminants from water |
Feb. 17, 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 |
| 7468137 |
Wastewater treatment process |
Dec. 23, 2008 |
| 7445717 |
Process for treating waste from the production of energetics |
Nov. 4, 2008 |
| 7445718 |
Removal of arsenic from drinking and process water |
Nov. 4, 2008 |
| 7442309 |
Methods for reducing boron concentration in high salinity liquid |
Oct. 28, 2008 |
| 7429329 |
Hybrid chemical/mechanical dewatering method for sewage treatment plants |
Sep. 30, 2008 |
| 7419604 |
Use of boron compounds to precipitate uranium from water |
Sep. 2, 2008 |
| 7416668 |
Wastewater chemical/biological treatment plant recovery apparatus and method |
Aug. 26, 2008 |
| 7374694 |
Method for remineralizing raw water |
May. 20, 2008 |
| 7361283 |
Extraction and treatment of heavy metals |
Apr. 22, 2008 |
| 7351343 |
Copper metal recovery system |
Apr. 1, 2008 |
| 7338604 |
Process for recycling paint flush solution |
Mar. 4, 2008 |
| 7329356 |
Flocculating agent for clarifying the water of man-made static water bodies |
Feb. 12, 2008 |
| 7329357 |
Method for removing fluorine from a fluorine-containing wastewater |
Feb. 12, 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 |
| 7267777 |
Method for the removal of contaminant metal ions from waste water |
Sep. 11, 2007 |
| 7264733 |
Method for treating heavy-metal-containing wastewater using sulfidizing agent |
Sep. 4, 2007 |
| 7264735 |
Method for producing drinking water |
Sep. 4, 2007 |
| 7261820 |
Method for decreasing a concentration of metal in aqueous solution |
Aug. 28, 2007 |
| 7247282 |
Method for the removal of metals from an aqueous solution using lime precipitation |
Jul. 24, 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 |
| 7214319 |
Method of separating protein from animal milk |
May. 8, 2007 |
| 7166227 |
Method of treating digested sludge |
Jan. 23, 2007 |
| 7138063 |
Method of removing arsenic and other anionic contaminants from contaminated water using enhanced coagulation |
Nov. 21, 2006 |
| 7135116 |
Process for recovery of nutrients from wastewater |
Nov. 14, 2006 |
| 7081204 |
Remediation of barium, bicarbonate and alkalinity in ground water |
Jul. 25, 2006 |
| 7077963 |
Processes for water treatment |
Jul. 18, 2006 |
| 7048860 |
Material for treating acidic waste water |
May. 23, 2006 |
| 7045066 |
Method of arsenic immobilization in crystalline form from water |
May. 16, 2006 |
| 7037434 |
Integrated water treatment and flue gas desulfurization process |
May. 2, 2006 |
| 7022240 |
Method for on-site treatment of oil and gas well waste fluids |
Apr. 4, 2006 |
| 7014770 |
Filtering method of a colloidal solution |
Mar. 21, 2006 |
| 7014776 |
Contaminant removal method for a body of water |
Mar. 21, 2006 |
| 7005072 |
Method for removing phosphorus from waste lagoon effluent |
Feb. 28, 2006 |
| 6989103 |
Method for separating fluids |
Jan. 24, 2006 |
| 6986358 |
Method and composition to decrease iron sulfide deposits in pipe lines |
Jan. 17, 2006 |
| 6984328 |
Method for removing metals from aqueous solutions using mixed lithic materials |
Jan. 10, 2006 |
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