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Study on Extracting Naphthalene from Ethylene Tar with Melting Crystallization Method
Author(s): 
Pages: 34-36,40
Year: Issue:  3
Journal: Techno-Economics in Petrochemicals

Keyword:  乙烯焦油熔融结晶气相色谱;
Abstract: 研究了以乙烯焦油210~230 ℃馏分为原料,利用熔融结晶法从原料中提取萘.系统考察了结晶降温速率、降温时间、发汗升温速率、发汗时间对晶体纯度和产品收率的影响.在最佳工艺条件下,通过三次熔融结晶从含58.5%的萘馏分中制得纯度为96.3%的萘,产品收率大于40%.
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