qualitative and quantitative analyses of hospital and municipal solid waste are necessary for selecting the best and most appropriate method of health care collection, storage, transportation and disposal of this kind of wastes. quantitative and qualitative analyses of hospital and municipal wastes have been studied in ahwaz city during spring 1996. the amount of solid wastes in five regions of...

In recent years there has been an increasing tendency to recycle the wastes generated by building companies in the construction industry, demolition wastes being the most important in terms of volume. The aim of this work is to study the possibility of using recycled aggregates from construction and demolition wastes in the preparation of precast non-structural concretes. To that purpose, two d...

Radioactive wastes are generated during nuclear fuel cycle operation, production and application of radioisotope in medicine, industry, research, and agriculture, and as a byproduct of natural resource exploitation, which includes mining and processing of ores, combustion of fossil fuels, or production of natural gas and oil. To ensure the protection of human health and the environment from the...

Recently, the states of Gulf Cooperation Council especially Saudi Arabia have a significant increasing urbanization, developing and population that created huge amount of household solid waste (HSW). These wastes have a considerable impact on both human health and the environment. The HSW in Jeddah City was dominated by organics, paper, plastics and other small components. Generally, the produc...

This study presents an environmental manufacturing system analysis for companies looking for the benefits of environmental management in achieving high productivity levels. When the relationship between environmental costs and manufacturing decisions is examined, it can be seen that the productivity of the company can be increased by adopting a methodology of an environmentally integrated manuf...

In this work, it is presented a dynamic model in order to simulate of the biological composting process, applied to the organic fraction of the municipal solid waste. The model was applied to small scale composting units (in-vessel type), processing household wastes composed of food wastes, yard wastes and paper wastes. The model is based in a continuous plug flow reactor for the solids and in ...

Studies were carried out for 90days on the degradation of wood wastes of four economically important Nigerian trees; Terminalia superba, Mansonia altissima, Holoptelia grandis and Milicia excelsa by white rot fungus, Pleurotus tuber-regium a Nigerian edible mushroom. The pH of the wastes dropped to 4.0/4.2, 90days after incubation. On the contrary, amino nitrogen content of the wastes increased...

Agroindustrial wastes such as spent grain, cocoa husk, rice bran and sawdust, unamended and amended with cattle, poultry and goat droppings were studied as to their effect on growth, fruit yield and nutrient composition of tomato (Lycopersicum escutentum Mill) in two experiments. Analysis of the wastes showed varying nutrient composition with C:N values of 11.1, 12.5, 23.3 and 18.2 respectively...

The article discusses directions of utilization of mining industry wastes from the Murmansk region in the building industry. The Murmansk region is an industrially developed area and possesses a huge potential for production of local building materials. There is proposed a number of measures to improve methodological basis for evaluation of efficiency of wastes utilization and economic stimulat...

It is known that two varieties of wheat are grown in Uzbekistan. Common ( Triticum aestivum L.) and durum cultivated the main part fields. Durum included State Register Uzbekistan mainly spring duvarak. Considering this feature high quality grain, purchase price 30-50% more expensive than common wheat, they fully meet needs ever-growing macaroni-confectionery industry. grain raw material used p...