Purification of formaldehyde by separation

Details Purification of formaldehyde by separation Purification of formaldehyde by separation

1979-01-29

1981-08-25

Spitzer, Robert H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

210673, 210677, 568493, B01D 1500

Patent

active

042858119

ABSTRACT:
A mixture containing formaldehyde and water is separated effectively by contacting with adsorbents of specific type A zeolites containing exchanged cations of the elements from Group IA (4) to (6) or Group IIA (6) or mixture thereof of the Periodic Table of Elements.

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patent: 3118747 (1964-01-01), Codignola et al.
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patent: 3186144 (1965-06-01), Dow
patent: 3493618 (1970-02-01), Fuhrmann
patent: 3597169 (1971-08-01), Savage
patent: 3636679 (1972-01-01), Batta
patent: 3658696 (1972-04-01), Shively et al.
patent: 3998901 (1976-12-01), Neuzil et al.
patent: 4025321 (1977-05-01), Anderson et al.

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