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化学工业与工程
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��ѧ��ҵ�빤�� 2000, Vol. 17 Issue (6) :362-368    DOI:
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The Progress in Study of Separation for 2,6-Dimethyl naphthalene from Dimethylnaphthalene Isomers
SUN Xu jiang (The Research Institute of Tianjin Petrochemical Corporation, Tianjin 300271,China)
(The Research Institute of Tianjin Petrochemical Corporation, Tianjin 300271,China

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Abstract�� dimethylnaphthalene is an ideal raw material of the production of polyethylene naphthalate. It is an important task to obtain 2,6 dimethyinaphthalene in low cost. In this paper, several kinds of separation ways of producing 2,6 dimethylnaphthalene from dimethylnaphthalene isomers, such as supercritical extraction, pressure crystallization, adsorptive separation and cooling crystallization are reviewed. The trends of development and superiority of these methoods are also elaborated and analyzed respectively.
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Received 2000-11-15; published 2000-11-15
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������.�Ӷ��׻����칹���з���2,6-���׻������о���չ[J].  ��ѧ��ҵ�빤��, 2000,17(6): 362-368
SUN Xu jiang .The Progress in Study of Separation for 2,6-Dimethyl naphthalene from Dimethylnaphthalene Isomers[J].  Chemcial Industry and Engineering, 2000,17(6): 362-368
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