The application of activated carbon in industrial water use

Application Section   

key pollutant         

Type of activated carbon   

Key effect

Typical case

Eectroplating effluent

Chromium, nickel, copper, zinc  

GAC/Modified carbon  

The removal rate of heavy metals is over 95%

Hexavalent chromium purification in electroplating plants

Printing and dyeing wastewater

Dyestuff、COD   

PAC/GAC

Color removal exceeds 90%, and COD is reduced by 70%

Decolorization in a well-known printing and dyeing factory in Zhejiang  

Petrochemical wastewater

Phenol、PAHs  

GAC+O₃ 

Phenol<0.1mg/L  

Treatment of phenolic wastewater from oil refineries    

Pharmaceutical wastewater

Antibiotics, solvents   

PAC/Silver impregnated carbon

Antibiotic removal >85%  

Tetracycline purification in antibiotic factories

 Food and beverage

 Organic acids, pigments

 GAC     

COD is reduced by 60%, and the light transmittance is over 95%

Decolorization in breweries and sugar mills

Electronic ultrapure water

 TOC、Residual chlorine     

Coconut activated carbon+ RO

 TOC<0.5ppb

Preparation of ultrapure water in wafer fabrication plants

Ferrous metallurgy

Cyanide, fluoride

Catalytic activated carbon

CN⁻<0.1mg/L  

Treatment of cyanide-containing wastewater from steel mills  

Paper waste

Lignin, resin acid  

PAC+air flotation

 COD 5000→200mg/L   

Purification of black liquor from papermaking