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Class Information
Number: 210/726
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 > Sequential introduction
Description: Process in which a time interval occurs between one addition and another.










Sub-classes under this class:

Class Number Class Name Patents
210/727 Including organic agent 548


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8702992 Continuous flow reactor and method of using the same for treating nitrogen and phosphorus-containing wastewater Apr. 22, 2014
8617400 Water treatment process and plant using ballasted flocculation and settling Dec. 31, 2013
8614173 Water treatment method Dec. 24, 2013
8580917 Method of purifying block copolymers Nov. 12, 2013
8557124 Treatment of water Oct. 15, 2013
8512571 Treatment of iron contaminated liquids with an activated iron solids (AIS) process Aug. 20, 2013
8480907 Method for the floatation-clarification of difficult water and facility for implementing same Jul. 9, 2013
8470569 Hydrometallurgical procedure for the production of ferric-sulfate from fayalite slag Jun. 25, 2013
8388832 Process for flocculation of a tailings stream Mar. 5, 2013
8383764 Method of purifying block copolymers Feb. 26, 2013
8313655 Water reaction tank Nov. 20, 2012
8313653 Method of removing iron and calcium from a geothermal brine Nov. 20, 2012
8262914 Wastewater treatment system Sep. 11, 2012
8187470 Enhancing sedimentation performance of clarifiers/thickeners May. 29, 2012
8182697 Method and apparatus for treating selenium-containing wastewater May. 22, 2012
8153011 Method for separating off coloring components from aqueous plant extracts Apr. 10, 2012
8101087 Element removal process Jan. 24, 2012
8101085 Process for treating animal husbandry effluent slurry by pre-treatment and electroflotation Jan. 24, 2012
8017018 Phosphorus removal method Sep. 13, 2011
8012358 Mobile systems and methods of sufficiently treating water so that the treated water may be utilized in well-treatment operations Sep. 6, 2011
7998439 Method for separating and recycling uranium and fluorine form solution Aug. 16, 2011
7897049 Methods for treating water using iron Mar. 1, 2011
7892437 Method of water management in the aggregate industry Feb. 22, 2011
7824552 Mobile systems and methods of sufficiently treating water so that the treated water may be utilized in well-treatment operations Nov. 2, 2010
7820056 Method of flocculating sedimentation treatment Oct. 26, 2010
7799232 Method of treating wastewater with reducing water purification material Sep. 21, 2010
7794604 Method for removing lignin from water Sep. 14, 2010
7670493 Mobile vacuum flotation and clarification unit Mar. 2, 2010
7595001 Process for the treatment of saline water Sep. 29, 2009
7591952 Water treatment mixture and methods and system for use Sep. 22, 2009
7563373 Removal of phosphorous from wastewater Jul. 21, 2009
7491333 Industrial waste water treatment process Feb. 17, 2009
7445717 Process for treating waste from the production of energetics Nov. 4, 2008
7429329 Hybrid chemical/mechanical dewatering method for sewage treatment plants Sep. 30, 2008
7413664 Selenium removal process Aug. 19, 2008
7374694 Method for remineralizing raw water May. 20, 2008
7361283 Extraction and treatment of heavy metals Apr. 22, 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
7264735 Method for producing drinking water Sep. 4, 2007
7264733 Method for treating heavy-metal-containing wastewater using sulfidizing agent Sep. 4, 2007
7261820 Method for decreasing a concentration of metal in aqueous solution Aug. 28, 2007
7220360 Integrated technology in sequential treatment of organics and heavy metal ions wastewater May. 22, 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
7077963 Processes for water treatment Jul. 18, 2006
7048860 Material for treating acidic waste water May. 23, 2006
7048852 Method and apparatus for treating water or wastewater to reduce organic and hardness contamination May. 23, 2006
6969467 Hydrate-based desalination with hydrate-elevating density-driven circulation Nov. 29, 2005
6936177 Method for removing metal from wastewater Aug. 30, 2005

1 2 3 4 5 6










 
 
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