Dec 23, 2020
Aug 19, 2020
Aug 19, 2020
Hydrogen used in silicon production often ends up contaminated with a chlorosilanes mixture (dichlorosilane, trichlorosilane, and silicon tetrachloride). Chemical Design, Inc. uses a multi vessel, temperature swings adsorption system to remove all the chlorosilanes...
Aug 19, 2020
Chemical Design, Inc.’s Cryogenic Hydrogen Purifiers cool crude hydrogen down to cryogenic temperatures. The hydrogen enters the adsorber vessel where contaminants such as O2, CO, CO2, CH4, water, dopants, argon, and nitrogen are removed down to parts per...
Aug 19, 2020
The manufacture of silicon crystals generates a vent gas comprised primarily of hydrogen, chlorosilanes, and hydrogen chloride. Chemical Design, Inc.’s process combines compression, cryogenic condensation, catalytic reaction, distillation, ambient adsorption and...
