Method and composition for treating flue or exhaust gases utiliz

Details Method and composition for treating flue or exhaust gases utiliz Method and composition for treating flue or exhaust gases utiliz

1992-09-17

1994-01-11

Stoll, Robert L.

Compositions

Co, s, negative element, or acid, bindant containing

With absorbents

252192, 4232424, 4232427, 423640, 42324407, C01B 700, C01B 1700, B01J 800

Patent

active

052778371

ABSTRACT:
A process is shown for treating flue or exhaust gases in order to remove sulfur oxides and hydrochloric acids in which calcium hydroxide having a surface area of at least 25 m.sup.2 /g and a moisture content lower than 50% is injected in the gases to be treated either alone, or in a mixture with magnesium hydroxide The calcium hydroxide used in the process is prepared by reacting quicklime or dolomitic quicklime with water in the presence of a glycol or an amine companion additive

REFERENCES:
patent: 2818323 (1957-12-01), Haensel
patent: 4424197 (1984-01-01), Powell et al.
Chemical Abstracts, vol. 63, 1965, 6712g.

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