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Siemens Sending Two Compressor Trains To China

Posted on August 29, 2011

Siemens Energy has received an order from China for the supply of two gas-turbine-driven axial-flow compressors trains for the first propane dehydrogenation (PDH) project in China. Tianjin Bohai Chemical Industry Group Co., a company specialized in areas of the chemicals sector, is the purchaser. Siemens will supply two sets of axial-flow compressors driven by SGT-700 gas turbines. The plant in Bohua, with a 60 mt/year polymer grade, uses the Catofin dehydrogenation process developed by the U.S. company Lummus Technology.

The new plant will produce propylene, which is a feedstock for the production of plastic. The incoming propane gas will be hydrogen-reduced to produce propylene, a resource with growing demand in Asia, Siemens said.

The Siemens will also supply auxiliary systems such as control systems, dual fuel system, lube oil unit and air filter, the company said. Each compressor has a flow rate of more than 700 000 m³/h of air that will be compressed from the atmosphere to 2.4 bar discharge pressure. The gas turbine is provided with a duel fuel system to operate the gas turbine with natural gas from a pipeline or with the feed gas of the plant, which is mainly propane, according to Siemens.

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