Method and apparatus for regulating the nh in3 xx content in...

Details Method and apparatus for regulating the nh in3 xx content in... Method and apparatus for regulating the nh in3 xx content in...

B - Operations, Transporting

01

D

23/341

B01D 53/14 (2006.01)

Patent

CA 1191331

METHOD AND APPARATUS FOR REGULATING THE NH3 CONTENT IN SCRUBBING LIQUID USED IN A GAS SCRUBBING PROCESS Abstract A process for regulating the NH3 content in an organic liquid that acts as a physical scrubbing agent and is used in a procedure for absorbing sour gases from gaseous mixtures. To ensure undisturbed and reliable carrying out of the scrubbing process, ammmonia-precipitating precipi- tant is added to the scrubbing agent and the precipitate is then separated from the scrubbing agent. Preferred pre- cipitants include sulphuric acid and phosphuric acid. The ammonia salts are effective fertilizers.

413847

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