P-06　Study on uptake of hydrogen chloride by potassium carbonate, calcium carbonate and calcium oxide during low-temperature pyrolysis of polyvinyl chloride

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  • P-06　PVCの低温熱分解中における炭酸カリウム, 炭酸カルシウムおよび酸化カルシウムによるHClの捕捉に関する研究

Abstract

<p>It was found that by adding CaO or K2CO3 to PVC at a molar ratio of 3 during pyrolysis at 573K, the hydrogen chloride generation rate could be reduced from 75% to 20%. On the other hand, when CaCO3 was added at the same molar ratio, the hydrogen chloride generation rate could only be reduced to about 60%. Further, when K2CO3 was added at a molar ratio of 1, the amount of hydrogen chloride contained in the solid residue was about 50%.</p>

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