Page 52 - Technology Compendium
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CSIR-IMMT/MAT - 12
Strategic Stabilisation of Hexavalent Chromium present in the hazardous solid waste of industries
Advantages / Salient Technical Features IPR Status / Details (India/Abroad)
• Stabilisation of hexavalent chromium present in solid • Process knowhow; No patent yet
toxic industrial waste
Application/Uses
Problem being addressed • The stabilised industry waste containing Cr
• Bringing down the toxicity level of hexavalent VI can be safely landfilled or used in low
chromium in solid waste to acceptable level lying areas as a filler material
Environmental Considerations (if any) Scale of Development
• Hexavalent chromium containing materials/industrial • Technology demonstration. (Current TRL
waste is a major environmental health hazard due to Level : 04)
its high toxicity which is 100 times more than that of
trivalent chromium. Commercialization Status
• Due to its high water solubility and mobility, it is • Yet to be commercialised
hemotoxic, genotoxic and carcinogenic in nature.
When hexavalent chromium enters human body,
it causes serious damage to blood cells through Techno-economics
oxidation reactions. So, it is a community health • Techno-economic feasibility will be carried
hazard. Hence, the waste containing hexavalent out after pilot scale study
chromium should be disposed safely and properly.
Technology Package
Major Raw Materials / Plant Equipment / Machinery • Development of technical flow sheet
• Solid industrial waste containing hexavalent
chromium
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