CHINESE RESEARCH ACADEMY OF ENVIRONMENTAL SCIENCES

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Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 550
 
  
 
B01D SEPARATION 2132
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
B09C RECLAMATION OF CONTAMINATED SOIL 18
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
C05F ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE111
 
  
 
F23J REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 116
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9895657 High-efficiency method for removing sulfur and mercury of coal-fired flue gas, and apparatus thereofSep 25, 13Feb 20, 18[F23J, B01D]
9845257 Vertical sewage treatment device and methodOct 27, 14Dec 19, 17[C02F]
9822024 Methods and systems for wastewater treatment and resource recoveryDec 19, 13Nov 21, 17[C02F]
9795942 Medium material and its preparation method for elimination of arsenic pollution from groundwaterDec 01, 15Oct 24, 17[B01J, C02F]
9457388 Double-layer persulfate sustained-release material and its preparation methodJul 18, 14Oct 04, 16[B29C, B28B, B09C, C02F]
8936725 Engineered wetland device of continuous operation for wastewater treatment under low temperatureJun 07, 12Jan 20, 15[C02F]

Expired/Abandoned/Withdrawn Patents

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