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- W67984185 abstract "Phthalic anhydride production rates in the USSR require that added source of adequate purity of naphthalene feedstock be developed. Optimization studies of the feasibility of producing C/sub 10/H/sub 8/-feedstock by hydrocracking (500 Kpa; Al-Ca-Mo catalyst) from naphthalene-wash oil fraction from coal tar (Kemerovo Coke Works), using a benzene diluent (to suppress the formation of benzene homologues), reported herein provide process conditions which will permit commercial producton of high quality C/sub 10/H/sub 8/ and also sulfur-free benzene for caprobactum production. Optimum conditions were defined using the full factorial experiment method (independant variables: temperature and space-velocity), by regression analysis of output parameters (yields (%) of hyrogenate, C/sub 10/H/sub 8/, H/sub 2/, hydrocarbon gases, and coke and the melting point of the C/sub 10/H/sub 8/ fraction). At optimum conditions the yield of C/sub 10/H/sub 8/ was 105% of its feedstock content. These data reveal that in the range of conditions studied, temperature and space velocity exert opposing effects on the output parameters and that the system is nearly in the steady state condition." @default.
- W67984185 created "2016-06-24" @default.
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- W67984185 date "1982-11-06" @default.
- W67984185 modified "2023-09-24" @default.
- W67984185 title "Choosing the parameters of the process of producing naphthalene for production of phthalic anhydride" @default.
- W67984185 hasPublicationYear "1982" @default.
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