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Emission Problems and Opportunities from Calcium Carbide Production: A STUDY OF INNER MONGOLIA HAIJI CHLOR ALKALI-CHEMICALCO. LTD. IN WUHAI, CHINA
KTH, School of Industrial Engineering and Management (ITM), Industrial Ecology.
2006 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This master thesis in Industrial Ecology has been carried out at Royal Institute of Technology, KTH, in cooperation with Swedish Environmental Research Institute, IVL andShandong University. It discusses the air pollution control techniques in calcium carbidemanufacturing by studying Inner Mongolia Haiji Chlor-Alkali Chemical Co. Ltd’s plants inWuhai, Inner Mongolia, China.

China’s environmental situation is discussed and its severe state is found to be similar to the western world in the last century. One of the main reasons for the air pollution problems arethe coal based industries in cities like Wuhai. Calcium carbide is a chemical based on coaland limestone which in China is mainly used for PVC plastics production. The emission from the carbide production is mainly particulate matter. This is suggested to be controlled by adding cyclone and electrostatic precipitator as treatment for the waste gas.

Investments in particulate matter control will be at least a few million SEK (similar in RMB),but the waste, both the solid and the gas, can be used in other processes, namely cementproduction, heat exchanging and as fuel. By investing in equipment to use this waste and sell the energy, it is expected that close to ten million RMB1 can be earned annually, meaning that the particulate matter control investment will pay off quickly. The Fischer-Tropschmethod for producing synthetic diesel from carbon monoxide and hydrogen gas provides another opportunity to use the waste gas.

Place, publisher, year, edition, pages
2006. , 70 p.
Series
, TRITA-KET-IM, ISSN 1402-7615 ; 2006:29
National Category
Social Sciences Interdisciplinary
Identifiers
URN: urn:nbn:se:kth:diva-32715OAI: oai:DiVA.org:kth-32715DiVA: diva2:411529
Uppsok
Technology
Supervisors
Examiners
Note
www.ima.kth.seAvailable from: 2011-04-29 Created: 2011-04-18 Last updated: 2011-04-29Bibliographically approved

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