Crystalline type-a zeolite powder

Details Crystalline type-a zeolite powder Crystalline type-a zeolite powder

C - Chemistry, Metallurgy

11

D

252/15

C11D 3/12 (2006.01) C11D 3/00 (2006.01)

Patent

CA 1082161

ABSTRACT OF THE DISCLOSURE The present invention provides a crystallinc type-A zeolite powder having the composition 1.0 ? 0.2 M2/nO : Al2O3 : 1.85 ? 0.5 SiO2 ? y H2O, wherein M represents a metal cation, n its valency and y a value of up to 6, and containing 50% by weight of particles of a size below a maximum of 4.0 µm as well as having the following particle spectrum fraction proportion (µm) (% by weight) < 3 35 to 60 < 5 82 to 95 < 10 93 to 99 < 15 96 to 100 The zeolites are useful as phosphate substitutes in washing, rinsing and cleansing agents.

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