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Introduction Non-ferrous metals besides gold, silver and platinum are somewhat toxic to living organism. It is therefore important that all the metallurgical industries not only take care of the process of manufacture but also safe d...
EROSION by water has been considered as the most serious soil degradation problem in the humid tropical and subtropical India. Dhruvanarayana and Ram Babu analysed the existing soil loss data of the entire country and indicated that soil eros...
THE intense global debate on sustainable development and sustainable management of natural resources can be traced back to the 1970s, when there was a growing concern regarding their depletion and degradation. Sustainable development is commo...
ABSTRACT: Recycling is a flourishing business in India’s informal sector, retrieving 10-15% of urban wastes and employing millions in a sometimes illicit, twilight activity. Recycling won recent legitimacy through ...
Regulating the management of unwanted mobile phones, computers, MP3 players and televisions and other waste electrical and electronic equipment (WEEE, also referred to as e-waste) in India is at last being addressed. Faced, to some extent, wi...
1.0 INTRODUCTION 1.1 Preamble Water is a precious commodity. Most of the earth water is sea water. About 2.5% of the water is fresh water that does not contain significant levels of dissolved minerals or salt and two third...
Conventional Sewage Treatment Plant Conventional sewage treatment involves three stages, called primary, secondary and tertiary treatment. First, the solids are separated from the wastewater stream. Then dissolved biological matter is progre...
The occurrence of heavy metals in industrial wastewater is of interest because they are often present at significant levels and if discharged into surface waters can have severe effects on the environment and public health. The determination ...
Introduction Traditionally materials like clay, sand, stone, gravels, cement, brick, block, tiles, distemper, paint, timber and steel are being used as major building components in construction sector. All these materials have been produced ...
GREEN BUILDINGS: Green building is the practice of increasing the efficiency with which buildings use resources — energy, water, and materials — while reducing building impacts on human health and the environment, th...
