Layered divalent metal hydrogen phosphates

Gas separation – Means within gas stream for conducting concentrate to collector

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210689, 423308, 423309, B01D 1504, B01D 5302, C01B 2526

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active

048468533

ABSTRACT:
Layered divalent metal hydrogen phosphate, MHPO.sub.4.nH.sub.2 O wherein M is a Group IIA or Group IIB element and n ranges from about 0 to 2, is prepared by hydrothermal treatment of an aqueous mixture containing a source of metal oxide, a source of phosphorus oxide and a source of hydrogen atoms, said aqueous mixture having an initial pH ranging between about 3 and 10.

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