Sorbent for treatment of effluent gas stream

Details Sorbent for treatment of effluent gas stream Sorbent for treatment of effluent gas stream

B - Operations, Transporting

01

J

B01J 20/30 (2006.01) B01D 53/50 (2006.01) B01J 20/00 (2006.01)

Patent

CA 2097116

A process for producing a sulfur sorbent composition in a mixer having a mixer paddle an energy supply is disclosed which includes hydrating an alkaline earth metal oxide in an aqueous solution containing a promoting additive selected from a group consisting of urea and mixtures of urea with a water soluble iron salt under high intensity mixing conditions with the mixer wherein the mixer is operated at a mixer paddle tip velocity of at least 500 ft/min and a mixer energy input of at least 3.5 kW-h per ton of sorbent so as to produce a sulfur sorbent composition having the following physical and chemical properties: alkaline earth metal (wt.%) - 40-52, molar ratio of promoting additive to alkaline earth metal - 0.001-0.2, bulk density (g/ml) - 0.35-0.75, surface area (m2/g) - 5-25, pore volume (cc/g) - 0.05-0.14 and mean particle size (um) - 4.

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