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Factory Design for the Living-Rubbish of City at Yangling Demonstration Zone

Author: WangYongKe
Tutor: HuShiBin;RanXinQuan
School: Northwest University of Science and Technology
Course: Environmental Engineering
Keywords: Municipal solid waste Integrated treatment Demonstration project
CLC: X705
Type: Master's thesis
Year: 2006
Downloads: 355
Quote: 0
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Abstract


The issue of environmental protection is a worldwide problem, and municipal solid waste disposal problem facing humanity in the 21st century is an important part of environmental issues, and has become one of the world's most serious pollution. Timely clean-up and processing of municipal solid waste is building a beautiful, clean, civilized modern city an indispensable condition. This article describes the three main garbage processing technology, landfill, composting and incineration technologies aimed at analysis of the status of the developed countries and the developed municipal solid waste disposal, focused on the Yangling Demonstration Zone in the international and domestic situation, the actual situation and the problem of Yangling Demonstration Zone of city life landfill design, in accordance with the characteristics of the demonstration area municipal solid waste demonstration area garbage \automated sorting equipment at home, efficient use of resources, minimize pollutant emissions, garbage disposal technology to be fully utilized. First, automatic garbage sorting machine so that the organic waste and inorganic waste separation and recycling all the Spam useful solid material (e.g., metal, plastic, glass, rubber, etc.); second, the separated organic matter (leaves, leftovers dust on Chinese dregs) 55 ° C thermophilic anaerobic fermentation biogas and residue of harm into biogas by the desulfurization treatment for plant boilers and the tunnel kiln workshop sintering fuel and residents in the vicinity of the building with a brick production and living gas, the residue is a good organic fertilizer. Inorganic waste - slag brick, cement block and slag, after two crushing and dry clay mixed by a certain percentage fired into the building bricks, cut the end of pollutants. Third, in order to resolve the hazardous substances in the waste treatment process the secondary pollution to the environment, the introduction of the design of the plasma waste processing system (PWC) and electronic dust ended system (EDPC), dust in the process source are installed at the top end of the system of electronic dust. Easy to produce odor and harmful gas areas are isolated from plasma waste treatment systems (pipelines), to purify the air. Comparing the total elimination of dumping the stench, dust and other harmful gases, reduce emissions and the proliferation of bacteria. Maximization garbage reduction, recycling, sound of. Fourth, obtained through a comprehensive economic evaluation, in accordance with the program of construction of the design process, with a total investment of 25.03 million yuan, the average annual total profit of 2,778,400 yuan, static investment payback period of 9.3 years (Pt), the BOT financing for the Yangling Demonstration Zone The way of construction waste treatment plant to provide a scientific basis. The design research was supported by a higher rating, part of the process, the architectural design has been used as important reference for the design and construction of waste treatment plant in Yangling Demonstration Zone of Yangling Demonstration Zone planning and construction and environmental protection departments.

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > General issues > Solid waste disposal and utilization
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