CA2166696A1 - Production of paper from a suspension with high electrolyte content using non-ionic or anionic retention aids - Google Patents

Production of paper from a suspension with high electrolyte content using non-ionic or anionic retention aids

Info

Publication number
CA2166696A1
CA2166696A1 CA002166696A CA2166696A CA2166696A1 CA 2166696 A1 CA2166696 A1 CA 2166696A1 CA 002166696 A CA002166696 A CA 002166696A CA 2166696 A CA2166696 A CA 2166696A CA 2166696 A1 CA2166696 A1 CA 2166696A1
Authority
CA
Canada
Prior art keywords
suspension
paper
ionic
production
electrolyte content
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002166696A
Other languages
French (fr)
Other versions
CA2166696C (en
Inventor
Thomas Adrian Cauley
John Graham Langley
Adrian Nixon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ciba Specialty Chemicals Water Treatments Ltd
Original Assignee
Thomas Adrian Cauley
John Graham Langley
Adrian Nixon
Allied Colloids Limited
Ciba Specialty Chemicals Water Treatments Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB939313956A external-priority patent/GB9313956D0/en
Application filed by Thomas Adrian Cauley, John Graham Langley, Adrian Nixon, Allied Colloids Limited, Ciba Specialty Chemicals Water Treatments Limited filed Critical Thomas Adrian Cauley
Publication of CA2166696A1 publication Critical patent/CA2166696A1/en
Application granted granted Critical
Publication of CA2166696C publication Critical patent/CA2166696C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

Paper is made by adding nonionic or anionic polymeric retention aid to a suspension that contains a high electrolyte content, shearing the flocculated suspension, aggregating the sheared suspension by adding anionic particulate material (especially bentonite), and draining the suspension.
CA002166696A 1993-07-06 1994-07-06 Production of paper from a suspension with high electrolyte content using non-ionic or anionic retention aids Expired - Fee Related CA2166696C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9313956.6 1993-07-06
GB939313956A GB9313956D0 (en) 1993-07-06 1993-07-06 Production of paper
PCT/GB1994/001457 WO1995002088A1 (en) 1993-07-06 1994-07-06 Production of paper

Publications (2)

Publication Number Publication Date
CA2166696A1 true CA2166696A1 (en) 1995-01-19
CA2166696C CA2166696C (en) 2006-03-21

Family

ID=36101464

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002166696A Expired - Fee Related CA2166696C (en) 1993-07-06 1994-07-06 Production of paper from a suspension with high electrolyte content using non-ionic or anionic retention aids

Country Status (1)

Country Link
CA (1) CA2166696C (en)

Also Published As

Publication number Publication date
CA2166696C (en) 2006-03-21

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20130708