摘要:在 323.15~373.15K溫度區(qū)間,采用反相氣相色譜(IGC)技術(shù)分別測(cè)定了四氟乙烷(HFC-134a)在酸改性、堿改性、鹽改性前后活性炭上的吸附熱及脫附活化能,繪制了脫附曲線。結(jié)果表明,改性前,HFC-134a在活性炭上吸附熱和脫附活化能分別為-31.889,-31.554kJ/mol;酸改性后,活性炭對(duì) HFC-134a的吸附熱和脫附活化能分別為-49.788,-51.600kJ/mol;堿改性后,活性炭對(duì) HFC-134a的吸附熱和脫附活化能分別為-46.567,-57.206kJ/mol;鹽改性后,活性炭對(duì)HFC-134a的吸附熱和脫附活化能分別為-42.259,-43.462kJ/mol。
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