As a by-product from the food industry 98% sulphuric acid (H2SO4) is used in the manufacture of chemicals. Sulphuric acid from electronics manufacturer is used in the chemical sector.
Hydrogen chloride, a very corrosive gas, produced by a steel manufacturer is being reused by a chemical company to produce ferric chloride.
Triple Bottom Line Aspects (direct at operational level)
Economic
Potential decrease in waste disposal costs for food companies
Potential savings for material purchasing for chemical company
Environment
Landfill diversion
Decrease in raw material use in the manufacture of chemicals
Social
Potential employment
Additional Comments
None.
References
Su, T., Cheng, C. and Hwang, J. (1999) "Transformation of ones waste into another resource: A corner stone of industrial ecology", in Global Competiveness through Cleaner Production (2nd Asia Pacific Roundtable on Cleaner Production), Brisbane, Australia
