الفهرس 
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Abstract
Hydrogen sulfide (H2S) is a hazardous, corrosive, and toxic gas. It exists as a contaminant with natural gas, and it should be removed from natural gas streams.
In this investigation, three copolymers based on acrylamide and vinyl acetate at different proportions were synthesized. These copolymers were utilized with nano cadmium oxide for the preparation of four nanocomposites.
The efficiency of the prepared materials as H2S scavengers from natural gas streams was studied. The different factors affecting the efficiency of the prepared materials in removing H2S e.g. (i) inlet gas concentration, (ii) the flow rate, (iii) the operating temperature and (iv) CO2 concentration in the gas streams were studied.
Keywords: Hydrogen sulfide, copolymers, nanocomposites, H2S scavengers, gas streams