Wastewater Treatment

Bringing over 180 years of Japanese quality and global network of experts, Nagase product lines ensure customers’ continuous system compliance with established operational efficiencies and environmental requirements.

Heavy metal chelating
How to use

  • 1 pH adjustment of waste water to pH7-10. (TX-20 becomes active ; pH≧3)
  • 2 Addition of TX-20 Inorganic flocculants and Polymer flocculants sequentially (Necessary for pH adjustment at each process)
  • 3 Sedimentation of sludge including heavy metal
  • 4 Reclamation of sludge or incineration

Question : How much should you add TX20 to treat your waste water?
Target ; Hg=5ppb → 2.5ppb

Answer : TX-20 Dosage ≒ 10~30mg/L