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Class Information
Number: 210/743
Name: Liquid purification or separation > Processes > Including controlling process in response to a sensed condition > Ph sensing
Description: Process in which the hydrogen (or hydronium) ion concentration is measured and used as a basis for response by the actuating means.

Patents under this class:
1 2 3 4 5

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
8685249 Multi-stage seawater desalination apparatus and operation control method of multi-stage seawater desalination apparatus Apr. 1, 2014
8636908 System and method for treatment of water systems Jan. 28, 2014
8617402 Method of raising the pH of acidic bodies of water Dec. 31, 2013
8545704 Method for recovering amine from amine-containing waste water Oct. 1, 2013
8540882 Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance Sep. 24, 2013
8524088 Method to inhibit scale formation in cooling circuits using carbon dioxide Sep. 3, 2013
8501011 Wet air oxidation process using recycled catalyst Aug. 6, 2013
8491794 Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance Jul. 23, 2013
8491788 Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance Jul. 23, 2013
8486272 Method and device for maintaining a constant pH value of a medical liquid during the dispensing thereof from a container Jul. 16, 2013
8465651 Sustainable method and system for treating water bodies affected by bacteria and microalgae at low cost Jun. 18, 2013
8460557 Catalytic wet oxidation systems and methods Jun. 11, 2013
8454895 Online contaminant detection and removal system Jun. 4, 2013
8444858 Control of development of biofilms in industrial process water May. 21, 2013
8425768 System and method for wastewater treatment Apr. 23, 2013
8419912 Water quality analyzer Apr. 16, 2013
8357305 Acidification pre-treatment for UV water disinfection Jan. 22, 2013
8349190 Method and device for cleaning circulation water Jan. 8, 2013
8298429 Apparatus for treating a waste stream Oct. 30, 2012
8298321 River water utilizing flue gas desulfurization system and humic substance removing method Oct. 30, 2012
8221627 Nitrification and denitrification of digested biosolids Jul. 17, 2012
8211316 Device for deep sewage treatment without sludge discharge Jul. 3, 2012
8196596 Method for tracking pollution source in process water Jun. 12, 2012
8192626 Wastewater chemical/biological treatment method for open water discharge Jun. 5, 2012
8153010 Method to inhibit scale formation in cooling circuits using carbon dioxide Apr. 10, 2012
8105491 Metabolic detoxification and method Jan. 31, 2012
8097168 Wastewater photo biomass/algae treatment method Jan. 17, 2012
8091572 Method for tracking pollution source in process water Jan. 10, 2012
8057673 System and method for treating wastewater containing ammonia Nov. 15, 2011
8038881 Wastewater treatment Oct. 18, 2011
8025779 Water quality analyzer Sep. 27, 2011
7959806 Mine influenced water remediation using bioremediation substrate Jun. 14, 2011
7955853 Method and device for creating and analyzing an at temerature and pressure oxidation-reduction potential signature in hot water systems for preventing corrosion Jun. 7, 2011
7938909 Automated sanitation May. 10, 2011
7922915 Wastewater treatment system and method of wastewater treatment Apr. 12, 2011
7883626 Method for the treatment of acid mine drainage Feb. 8, 2011
7879246 Water treatment apparatus Feb. 1, 2011
7871525 Biomass treatment of organic waste or waste water Jan. 18, 2011
7867398 Method to reduce wastewater treatment plant footprints and costs Jan. 11, 2011
7846334 Method for the treatment of ammonia-containing waste water Dec. 7, 2010
7837768 System and method for purifying an aqueous stream Nov. 23, 2010
7820055 Process to maintain large clean recreational water bodies Oct. 26, 2010
7811461 Water treatment system, apparatus and method Oct. 12, 2010
7811457 Alkaline regeneration of N-methyl-D-glucamine functional resins Oct. 12, 2010
7799236 Gathering method and apparatus of powder separated soluble component Sep. 21, 2010
7722746 Self-cleaning chlorine generator with pH control May. 25, 2010
7699991 Apparatus and process for water conditioning Apr. 20, 2010
7674386 Slurry filtration system and apparatus Mar. 9, 2010
7674236 Device and method for detecting complications during an extracorporeal blood treatment Mar. 9, 2010

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