| http://www.w3.org/ns/prov#value | - While the gas continuously passes through the prescrubber and the absorber, the respective liquors therein continuously recycle in the form of a spray, mist or other form suitable to provide intimate contact between the gas and the liquor in the respective vessel and dilute aqueous ammonium sulfate liquor can be continuously withdrawn from the absorber and fed to the prescrubber while saturated aq
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