Procedure for determining and controlling the composition propor

Details Procedure for determining and controlling the composition propor Procedure for determining and controlling the composition propor

1989-10-04

1991-07-16

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With testing, sampling or analyzing

162 61, 162 62, D21C 302, D21C 712

Patent

active

050322230

ABSTRACT:
A procedure for determining the composition of a wood chip mix dispensed in alkaline delignifying processes, particularly in sulphate and soda/anthraquinone cooking, with the aid of the monomeric compounds produced in connection with the cooking and dissolved in the waste liquor. As taught by the procedure, a cooking liquor sample is taken in the cooking process, this sample being chromatographically analyzed. On the basis of the content proportions of certain compounds analyzed by substance groups, the composition of the dispensed wood chip mix is determined, and at the same time information is gained for optimating the conditions applied in the cooking process.

REFERENCES:
patent: 4853084 (1989-08-01), Alen et al.

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