Co-processing: A clean indea for the Indian cement sector?
One fine day in 2007, three trucks from Hindustan Unilever, laden with shampoos, powders, creams and assortments for the body beautiful, arrived at the gates of ACCs Kymore cement plant, near Jabalpur. The plant head was foxed and wondered why shampoos had come to him. He quickly configured it perhaps had something to do with the companys employee welfare initiatives. But then, how was he to distribute the huge quantities; and how much for each worker? He was awestruck by the sudden bounty. He called up headquarters, only to be told that the stuff all past their expiry date was to be burned in the kilns of the cement plant to generate energy. It was then a small trial. And the technical staff had no inkling about the immense potential of waste to replace coal in cement kilns. Since then, HUL has hauled 13,700 tonnes of its waste products to ACCs Kymore plant for co-processing, a term commonplace in the cement sector across the...