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Class Information
Number: 210/749
Name: Liquid purification or separation > Processes > Chemical treatment
Description: Process wherein a material is added which chemically reacts with a constituent in the liquid.










Sub-classes under this class:

Class Number Class Name Patents
210/757 By chemical reduction 362
210/758 By oxidation 696
210/764 Destroying microorganisms 1,104
210/750 Including degassing 300
210/765 Including liquid recirculation 268
210/766 Including temperature change 178
210/752 Plural spaced feedings 174
210/753 Utilizing halogen or halogen containing material 167


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8709243 (4949 Apr. 29, 2014
8702992 Continuous flow reactor and method of using the same for treating nitrogen and phosphorus-containing wastewater Apr. 22, 2014
8703088 Process for removing hydrazine from hydroxlyamine solutions Apr. 22, 2014
8703092 Type separation of single-walled carbon nanotubes via two-phase liquid extraction Apr. 22, 2014
8685256 Microdispersions of hydroxamated polymers and methods of making and using them Apr. 1, 2014
8685236 Methods and systems for treating sour water Apr. 1, 2014
8679342 Method of treating water effluent from purging or cleaning steam generator circuits, and a mobile unit enabling the method to be implemented Mar. 25, 2014
8679343 Revaluation of aqueous waste streams in the propylene oxide/styrene co-production process Mar. 25, 2014
8673157 Photoreactor Mar. 18, 2014
8668888 Adsorbing agent containing titanium and iron compounds Mar. 11, 2014
8668779 Method of simultaneously cleaning and disinfecting industrial water systems Mar. 11, 2014
8663457 Methods and compounds for improving sulfide scavenging activity Mar. 4, 2014
8658047 Additive dispersing filter and method Feb. 25, 2014
8652335 Scavenger supports and the use thereof in a process for the extraction of metals Feb. 18, 2014
8647509 Seawater desalination plant and production of high purity salt Feb. 11, 2014
8637718 Biomass to biochar conversion in subcritical water Jan. 28, 2014
8632742 Methods of controlling mercury emission Jan. 21, 2014
8617466 Electrolytic degradation systems and methods usable in industrial applications Dec. 31, 2013
8613857 Processing of reaction solutions from whole-cell biotransformations Dec. 24, 2013
8608969 Nanotube separation methods Dec. 17, 2013
8597524 Enclosed rotor-based cavitational and catalytic flow-through reaction chamber Dec. 3, 2013
8597522 Waste water storage and treatment system and method Dec. 3, 2013
8597517 Process of recovery of exhausted ionic liquids used in the extractive desulfurization of naphthas Dec. 3, 2013
8591747 Devices and methods for controlled release of additive compositions Nov. 26, 2013
8563759 Process for extracting lipids from microalgae Oct. 22, 2013
8557126 Chemical administrator for controllably treating wastewater Oct. 15, 2013
8557124 Treatment of water Oct. 15, 2013
8557013 Bioorganically-augmented high value fertilizer Oct. 15, 2013
8551212 System and process for recovering base and precious metals Oct. 8, 2013
8551216 Porous bodies and methods Oct. 8, 2013
8551344 Method and apparatus for producing autologous clotting components Oct. 8, 2013
8540960 Method for producing of ultra-clean and high-purity electronic grade reagents Sep. 24, 2013
8535535 Use of hydrophobin as a phase stabilizer Sep. 17, 2013
8535531 Halogenated resin beds Sep. 17, 2013
8529765 Ensiling biomass for biofuels production and multiple phase apparatus for hydrolyzation of ensiled biomass Sep. 10, 2013
8529771 Acidic sludge adsorption of DNT wastewaters Sep. 10, 2013
8518261 Water purification apparatus and method for using pressure filter and pore control fiber filter Aug. 27, 2013
8518271 Water treatment feeder device and a water treatment feeder system Aug. 27, 2013
8512572 Method of precipitating uranium from an aqueous solution and/or sediment Aug. 20, 2013
8506817 Enhanced high water recovery membrane process Aug. 13, 2013
8507284 Method and apparatus for extraction of strontium from urine Aug. 13, 2013
8501034 Process and apparatus for purification of industrial brine Aug. 6, 2013
8496120 Filter network Jul. 30, 2013
8496817 Dechlorinator and method of dechlorination Jul. 30, 2013
8491795 Conversion of seawater to drinking water at room temperature Jul. 23, 2013
8491798 Eliminating hydrogen sulfide from liquid ammonia Jul. 23, 2013
8470275 Reduced-carbon footprint concrete compositions Jun. 25, 2013
8470178 Organic oil boom Jun. 25, 2013
8470182 Apparatus and method for hydrolyzing biological material Jun. 25, 2013
8460557 Catalytic wet oxidation systems and methods Jun. 11, 2013

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