USB300004I5 - - Google Patents

Info

Publication number
USB300004I5
USB300004I5 US30000472A USB300004I5 US B300004 I5 USB300004 I5 US B300004I5 US 30000472 A US30000472 A US 30000472A US B300004 I5 USB300004 I5 US B300004I5
Authority
US
United States
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.)
Pending
Application number
Inventor
Richard E Putman
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Priority to US30000472 priority Critical patent/USB300004I5/en
Publication of USB300004I5 publication Critical patent/USB300004I5/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1052—Controlling the process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
US30000472 1970-10-02 1972-10-24 Pending USB300004I5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US30000472 USB300004I5 (en) 1970-10-02 1972-10-24

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7755170A 1970-10-02 1970-10-02
US30000472 USB300004I5 (en) 1970-10-02 1972-10-24

Publications (1)

Publication Number Publication Date
USB300004I5 true USB300004I5 (en) 1975-01-28

Family

ID=26759394

Family Applications (1)

Application Number Title Priority Date Filing Date
US30000472 Pending USB300004I5 (en) 1970-10-02 1972-10-24

Country Status (1)

Country Link
US (1) USB300004I5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348256A (en) 1977-05-11 1982-09-07 Mo Och Domsjo Aktiebolag Process for controlling the supply of delignifying and/or bleaching chemicals in the continuous delignification of lignocellulosic material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272691A (en) * 1964-02-12 1966-09-13 Pennsalt Chemicals Corp Apparatus for continuously chlorinating pulp including automatic control of the degree of chlorination
US3465550A (en) * 1965-12-03 1969-09-09 Systematix Chromatic control of bleaching process
US3486971A (en) * 1967-11-03 1969-12-30 Systematix Controls Inc Control of chlorine dioxide bleaching
US3575795A (en) * 1966-09-30 1971-04-20 Int Paper Co Rapid high consistency bleaching with continuous diffusion

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272691A (en) * 1964-02-12 1966-09-13 Pennsalt Chemicals Corp Apparatus for continuously chlorinating pulp including automatic control of the degree of chlorination
US3465550A (en) * 1965-12-03 1969-09-09 Systematix Chromatic control of bleaching process
US3575795A (en) * 1966-09-30 1971-04-20 Int Paper Co Rapid high consistency bleaching with continuous diffusion
US3486971A (en) * 1967-11-03 1969-12-30 Systematix Controls Inc Control of chlorine dioxide bleaching

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Guillory, "Progress report on computer control of Eastex's bleach plant", Paper Trace Journal, 31 Jan. 1966, pp. 35 and 36 *
Kott, "Process Computer Control of a Bleach Plant", TAPPI, July 1967, Vol. 50, No. 7, pp. 41A and 42A *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348256A (en) 1977-05-11 1982-09-07 Mo Och Domsjo Aktiebolag Process for controlling the supply of delignifying and/or bleaching chemicals in the continuous delignification of lignocellulosic material

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