منابع مشابه
Recycling of Urban Organic Waste for Urban Agriculture
The accelerated growth of the global urban population implies an increasing demand for public services. Yet, urban centres in developing countries are unable to meet such demand – services such as sanitation are poor or inadequate to cope with the increasing rates of urbanisation and the associated higher standards of living. According to the UN 2002 Human Development Report, 2.4 billion people...
متن کاملFrequency of electronics-waste generated heavy metals in urban waterways
Heavy metals are one of the dreadful environmental pollutants. Its toxicity is a menace to the ecosystem and has attracted global concern over the decades. The attendant uncontrolled disposal and recycling of electronic-waste (e-waste) has greatly influence the elevated concentration of heavy metals observed in Nigeria waterways. This study was carried out to investigate the frequency of the de...
متن کاملRouting Vehicle of Urban Waste Collection Utilities GIS
Municipal solid waste collection is expensive and, in some cities, 46–85% of their whole waste management expenses are used for waste collection and transportation. Rapid urbanization and every day human actions generate a large amount of waste from residential, commercial, or industrial extents all over the world. Waste collection optimization can decrease the waste collection budget and envir...
متن کاملLivestock slaughterhouses waste management in urban environment
The current study presents an investigation on the waste management in the cattle slaughterhouse by the following objectives: a) to identify the existing waste management practices in relation to sources, quantity and characteristic of wastes; b) to identify the situation of production, collection, storage, transportation, processing and recycling, and final disposal of wastes and the problems ...
متن کاملEffect of Urban Waste Compost Leachate on the Soil Physical, Hydraulic, Moisture Characteristics and Corn Yield
Compost leachate is a liquid resulting from physical, chemical and biological decomposition of organic materials. The main objective of this study was to evaluate the influence of leachate compost on the physical, hydraulic and soil moisture characteristic curves. Also, the effect of leachate on the aerial organ fresh weight of corn was investigated. Leachate was added to clay loam and sandy cl...
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ژورنال
عنوان ژورنال: Science
سال: 2016
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.351.6274.674-a