A technical renovation and expansion project for 1,500 tons per year of polysilicon and supporting industries at a certain Xinjiang Silicon Industry Co., Ltd., under TBEA; and a TBEA project for the construction of two 6,000-ton-per-year polysilicon production facilities along with associated supporting industries.
Category:
Detailed Introduction
Project Content
Pressure Swing Adsorption Hydrogen Production Unit ( Skid-mounted )
Pressure Swing Adsorption Hydrogen Production Unit
Regenerative Hydrogen Purification Unit ( Skid-mounted )
Scale
700Nm3/h Pressure Swing Adsorption Hydrogen Production Unit ( Skid-mounted )
1000Nm3/h Pressure Swing Adsorption Hydrogen Production Unit
1100Nm3/h Regenerative Hydrogen Purification Unit ( Skid-mounted )
Technical Indicators
Feed gas flow rate: 700Nm3/h
Feed gas composition: 98.2% H2 , 1.5% N2 and small amounts of chlorosilanes, hydrogen chloride, methane, carbon monoxide, carbon dioxide, and other substances
Work stress: 1.1MPa
Hydrogen content of the product: ≥ 99.9%
The contents of chlorosilanes, hydrogen chloride, methane, carbon monoxide, and carbon dioxide in the product shall all be ≤ 1ppm
Hydrogen recovery rate: ≥ 90.0%
Feed gas flow rate: 1000Nm3/h
Feed gas composition: 81.9% H2 , 1.6% N2 1.2% Chlorosilane, 15.3% Hydrogen chloride and small amounts of methane, carbon monoxide, carbon dioxide, and other substances
Work stress: 1.2MPa
Hydrogen content of the product: ≥ 99.9%
Chlorosilane content in hydrogen: None
Hydrogen chloride content in hydrogen: ≤ 50ppm
Silicon chloride in the desorbed gas + Hydrogen chloride content: ≥ 78%
In the desorbed gas H2 Content: ≤ 20%
Recovery rate: ≥ 95.0%
Feed gas flow rate: 1100Nm3/h
Feed gas composition: 97.8% H2 , 2.0% N2 and small amounts of chlorosilanes, hydrogen chloride, methane, carbon monoxide, carbon dioxide, and other substances
Work stress: 1.1MPa
Hydrogen content of the product: ≥ 99.9%
The contents of chlorosilanes, hydrogen chloride, methane, carbon monoxide, and carbon dioxide in the product shall all be ≤ 1ppm
Hydrogen recovery rate: ≥ 90.0%
Technical Features
The small-capacity unit is skid-mounted, requiring minimal floor space, reducing capital investment, and enabling flexible and convenient installation.
Keyword: A technical renovation and expansion project for 1,500 tons per year of polysilicon and supporting industries at a certain Xinjiang Silicon Industry Co., Ltd., under TBEA; and a TBEA project for the construction of two 6,000-ton-per-year polysilicon production facilities along with associated supporting industries.
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