WHITE PITCH DEPOSIT TREATMENT - CIBA SPEC CHEM WATER TREAT LTD

Title:

WHITE PITCH DEPOSIT TREATMENT

Document Type and Number:

WIPO Patent Application WO2003085199

Kind Code:

A3

Abstract:

The present invention relates to a deposit control system, consisting of an inorganic or organic (natural or synthesized) coagulant and a microparticulate material (synthetic or naturally-occurring) such as bentonite clay, cross-linked polymer, colloidal silica, polysilicate, for pulp containing white pitch/stickies.

More Like This:

JP2955388	INDUSTRIAL APPLICABILITY: A method for suppressing the precipitation of pitch from pulp in a papermaking process.
JPH11504083	INDUSTRIAL APPLICABILITY A method for controlling sticky deposition from a papermaking raw material suspension.

Inventors:

GRIMSLEY SWINDELL ALLEN (US)
BLAZEY MATTHEW ANTHONY (US)
EDMONDS CHRISTIAN BRUCE (US)
WILLIAMS STEPHANIE CAINE (US)
CHEN GORDON CHENG I (US)

Application Number:

PCT/EP2003/003487

Publication Date:

February 05, 2004

Filing Date:

April 03, 2003

Export Citation:

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Assignee:

CIBA SPEC CHEM WATER TREAT LTD (GB)
GRIMSLEY SWINDELL ALLEN (US)
BLAZEY MATTHEW ANTHONY (US)
EDMONDS CHRISTIAN BRUCE (US)
WILLIAMS STEPHANIE CAINE (US)
CHEN GORDON CHENG I (US)

International Classes:

D21C9/08; D21H11/14; D21H17/45; D21H17/67; D21H21/02; D21H23/76; D21H17/44; D21H17/54; D21H17/56; D21H17/66; D21H17/68; (IPC1-7): D21H21/02; D21H23/76

Foreign References:

US4753710A	1988-06-28
US4913775A	1990-04-03

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