Production of blends of crystalline zeolite and sodium triphosph

Details Production of blends of crystalline zeolite and sodium triphosph Production of blends of crystalline zeolite and sodium triphosph

1978-11-13

1979-12-25

Albrecht, Dennis L.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

159 4R, 159 4J, 25217425, 252135, 252179, 423328, C01B 3328, C02B 144, C11D 1100, C11D 1102

Patent

active

041804716

ABSTRACT:
Blends of crystalline zeolites and sodium triphosphate are made. To this end, a zeolite suspension is spray-dried jointly with an aqueous sodium orthophosphate solution or suspension, in which the molar ratio of Na to P necessary to produce zeolite-free sodium triphosphate containing Na and P in a theoretical ratio of 1.66 is reduced by decrements of 0.01% per each 10% by weight proportion of zeolite in the blend. The zeolite suspension is sprayed separately from the orthophosphate solution or suspension at a separation necessary for the resulting zeolite particles to dry superficially and for the resulting phosphate particles to undergo at least partial condensation, and the superficially dry particles are contacted with the at least partially condensed particles.

REFERENCES:
patent: 3629955 (1971-12-01), Davis
patent: 3684724 (1972-08-01), Dyer
patent: 3770644 (1973-11-01), Huttinger
patent: 3985669 (1976-10-01), Krummel
patent: 3996149 (1976-12-01), Burke
patent: 4019999 (1977-04-01), Ohren
patent: 4083793 (1978-04-01), Jakobi
patent: 4088593 (1978-05-01), Roebke
patent: 4092261 (1978-05-01), Sperling
patent: 4102977 (1978-07-01), Sugahara
patent: 4129511 (1978-12-01), Ogoshi

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