Ultrafiltration and reverse osmosis membrane technologies from Koch Membrane Systems Inc are being used by two of India's largest leather-tanning factories to increase the amount of wastewater they can reuse during processing.Eastern Chrome Learn more

A catalyst is a substance that increases the rate of a chemical reaction by reducing the required activation energy but which is left unchanged by the reaction In addition to speeding up certain chemical reactions catalysts also can be used to Learn more

In a move to dramatically reduce chlorinated emissions and wastewater generation from its plant the SAPPI Fine Paper Company of Muskegon MI eliminated its hypochlorite bleaching process in making the fine heavyweight coated book and magazine Learn more