FIELD: chemical technology. SUBSTANCE: invention relates to preparing zeolite with high value of hydrophoby index by calcinations of zeolite with steam under turbulent conditions relatively to zeolite flow parameter and at temperature in the range 650-1 000 C. Invention provides preparing hydrophobic zeolite Y. EFFECT: improved preparing method. 28 cl, 6 tbl, 15 ex
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Authors
Dates
2003-09-27—Published
2000-03-03—Filed