Utilization of waste materials and by-products is a partial solution to environmental and ecological problems.

Preethi Nagaraj, Mysore, June 9, DH News Service:

The Mysore City Corporation (MCC), basking in glory after the city was recently adjudged the second cleanest in India, is planning to turn the place into a

Production of bioethanol has attracted global controversy because it uses important food crops. That could be about to change.

Pune Aundh residents Rajendra and wife Sangeeta Joshi proudly display their property tax bill in which they have been awarded a rebate of five per cent. What makes the rebate doubly special is the fact that it

Sudha Nambudiri

KOCHI: Guruvayur Anakotta which houses more than 60 elephants has to deal with nine tonnes of elephant dung every day. It is with the help of a contractor that the authorities dispose off the dung by using it for land-filling or some other purpose.

This study presents reusing of locally available waste fibrous materials as concrete composites. Mechanical strength properties (compressive strength, split tensile strength, modulus of elasticity, modulus of rupture and shear strength) of synthetic fibres (nylon, plastic and tyre) with volume fractions (0.5%, 1% and 1.5%) and aspect ratios (30, 60 and 90) were evaluated.

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The utilization of the post consumer paper product in the production of new paper products is increasing all over the world in recent years. The use of enzymes in ecofriendly deinking of the recovered paper is one of the potential enzymatic application in the pulp and paper industry.

Pulverized coal fly-ash has been evaluated as wet-end filler in manufacture of specialty products such as decorative laminate-grade base papers. Fine sized fly-ash is available abundantly as solid waste from coal based thermal power plants. Non-magnetic fly ash particles smaller than 35 um were used as wet end filler.

Due to increasing environmental concerns in the wastewater treatment sector, the environmental impacts of organic waste disposal procedures require careful evaluation. However, the impacts related to the return of organic matter to agricultural soils are difficult to assess.

This article presents the results of an experimental activity aimed at investigating the technical feasibility and the environmental performance of using municipal solid waste incineration bottom ash to produce glass frit for ceramic glaze (glaze frit).