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Description:

The report looks at acetylene in the past, at present and in the future, especially about its production technology in China. The report mainly discusses two production technology which are carbide Route and non-carbide Route, from the aspects of manufacturers, output, government policy, raw material, future forecast. Besides that, the import & export and consumption of acetylene are also analyzed and discussed. The active manufacturers are profiled.

Main Content:

LIST OF TABLES
Table Comparison of different acetylene production route in China, in 2005
Table 1 Consumption structure of acetylene in 2005
Table I-1.1 Percentage of acetylene output with carbide and that with non-carbide route acetylene, 2001-2005
Table I-1.2 Output of acetylene and PVC in China, 2001-2005, MT
Table I-2.1.1 Major acetylene producers with carbide route
Table I-3.1 Carbide import and export, 1999-2005
Table I-6.1 Consumption structure of acetylene in 2005
Table II-1.1.1 Situation of production and consumption of calcium carbide (unit: MTs)
Table III.1 Consumption structure of acetylene in 2005
Table III-1.1 Situation of PVC in China, 2000-2005 ( MTs)
Table III-1.2 Process structure of PVC in China
Table III-2.1 Technology structure of PVA in 2005
Table III-4.1 Major Acetylene End Users in China
Table IV-1.1 Comparison of acetylene from wet method and dry method by carbide route
Table IV.2.1.1.1 Material consumption for production one ton of acetylene by partial oxidation method
Table IV.2.1.1.1.1 The components of mixed gas
Table IV.2.1.2.1 Comparison about the conversion of plasma method among advanced researchers
Table I. Situation of ethylene manufacturers in China
Table IV-2.2.2.1 Typical experiment conditions of coal pyrolysis in thermal plasma reactor
Table V-2.1 Natural gas partial oxidation method enlarging plan
Table VI-1.2 Product structure of this company
Table VI-1.3 Capacity of the products in Yibin Tianyuan
Table VI-1.4 Output of PVC resin in this company
Table VI-1.5 Capacity of products in Zhongtai Chemical
Table VI-1.12.1 Capacity of main product in Shanxi Sanwei
Table VI-2 The components of mixed gas

LIST OF FIGURES
Figure IV.2.1.1.1 Flow chart of schizolysis of natural gas with partial oxidation method
Figure Flowchart of plasma method
Figure IV-2.2.2.1 The experimental flowchart of acetylene by coal plasma pyrolysis
Figure IV-2.2.3.3.1 Coking situation of plasma reactor in Shanxi Sanwei Group Co., Ltd.
Figure VI-2 Flow chart of schizolysis of natural gas with partial oxidation method

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Executive Summary

- Production

In the past five years, the capacity and consumption of acetylene keeps increasing, with the growth rate of over xxx%. In 2005, the output of acetylene reached about xxxxkMTs. The reason is that the demand for PVC is huge, in which acetylene is used as the major raw material.

There are two routes for acetylene production in China, the carbide route and non-carbide route, with the former as the dominant route in China. As production acetylene with carbide route generates lots of pollution, especially in carbide production, the government set restrictive rules in its development. Most of the policies are focused on small-scale manufacturers, whose waste treatment is poor, while to big manufacturers, the impact is minor as their waste treatment can meet the government requirement.

- Manufacturers

There are over 700 acetylene manufacturers. Except dissolved acetylene producers, all the other acetylene producers produce acetylene as intermediate product. Many of them are in small scale, with the average capacity of about 3,500MTs/year.
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- Technology

Different to the world, carbide route is the major method for producing acetylene in China. It accounted for about 98% of total capacity in 2005.
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In non-carbide route technology, schizolysis of hydrocarbons, schizolysis of coal and extracting acetylene from the mixed schizolysis ethylene gases are the most popular technologies.
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- Consumption

Acetylene has thousands of chemical derivatives, which are used in many segments including synthesized plastic, synthesized fiber, synthesized rubber, pharmaceutical, pesticide, dye, spice, coating, solvent, adhesive, surface active agent, organic conductor and semiconductor, etc. The largest consumption segment of acetylene is PVC industry, which accounted for xxx% of total consumption volume of acetylene in 2005.
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Except dissolved acetylene, there is no acetylene sold in the market. The reason is that acetylene is not convenient to be transported. End users of acetylene are generally producers of acetylene at the same time, who use acetylene to produce PVC.

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