PURIFICATION BY FILTRATION OF SATURATED ETHANOLAMINES FROM HEAT-RESISTANT SALTS AND DEGRADATION PRODUCTS
Keywords:
ethanolamine, natural gas, hydrogen sulfide, carbon dioxide, absorbent, diethanolamine (DEA) and methyldiethanolamine (MDEA), destruction, anions, sand, activated carbon, mechanical compounds, heat resistant salts.Abstract
The article presents the results of studies on purification of aqueous solutions of spent saturated ethanolamines from heat-resistant salts of destruction products by the filtration method. The work studied the process of purification of ethanolamines by three-stage filtration (sand, coal - bentonite and anionite (Tulsion (USA) A-23 and AB-17-8 RF strongly basic anionites of the gel type)) was recognized as the most effective method, and their properties were analyzed.
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