Last edited by Zujas
Monday, August 3, 2020 | History

3 edition of Refiner mechanical pulping in Canada found in the catalog.

Refiner mechanical pulping in Canada

G. E. Styan

Refiner mechanical pulping in Canada

by G. E. Styan

  • 358 Want to read
  • 28 Currently reading

Published by Fisheries and Environment Canada in [Vancouver] .
Written in English

    Places:
  • Canada.
    • Subjects:
    • Wood-pulp industry -- Canada.,
    • Mechanical pulping process.

    • Edition Notes

      Statementby G. E. Styan.
      SeriesInformation report - Western Forest Products Laboratory ; VP-X-171, Information report (Western Forest Products Laboratory (Canada)) ;, VP-X-171.
      Classifications
      LC ClassificationsTS1174.C2 S89
      The Physical Object
      Pagination35 p. :
      Number of Pages35
      ID Numbers
      Open LibraryOL4202680M
      LC Control Number80481804

      ♥ Book Title: Modern Technology of Pulp, Paper and Paper Conversion Industries ♣ Name Author: NIIR Board of Consultants and Engineers ∞ Launching: Info ISBN Link: ⊗ Detail ISBN code: X ⊕ Number Pages: Total sheet ♮ News id: PE-vDAAAQBAJ Download File Start Reading ☯ Full Synopsis. Pulp is a lignocellulosic fibrous material prepared by chemically or mechanically separating cellulose fibres from wood, fiber crops or waste wood fiber sources required for pulping are "45% sawmill residue, 21% logs and chips, and 34% recycled paper" (Canada, ). Pulp is one of the most abundant raw materials category: Production [M ton].

        Mechanical pulping is the process in which wood is separated or defibrated mechanically into pulp for the paper industry. References ↑ Lucas, Adam (), Wind, Water, Work: Ancient and Medieval Milling Technology, Brill Publishers, . This page contains sites of Ground Wood Pulp, Refiner Mechanical Pulp, Chemo Mechanical Pulp, Chemo Thermo Mechanical Pulp, Stone Ground Wood Pulp, Bleached pulp, Unbleached pulp, kraft pulp, sulfite pulp, sulfate pulp, wood pulp, non-wood pulp, fluff, dissolving grade pulp, viscose pulp, alpha cellulose pulp, rayon grade pulp, Hardwood pulp, soft wood pulp, semi .

      Processes include: 1) stone groundwood, 2) refiner mechanical, 3) thermo-mechanical, 4) chemi-mechanical, and 5) chemi- thermo-mechanical. Pulp yields are high, up to 95 percent when compared to chemical pulping yields of 50 percent, but energy usage is also high. ZM series conical refiner is mainly used in purified pulp continuous beating and waste paper pulp beating in paper making industry, and it is available for pulping long fiber pulp materials,such as cotton pulp,wood pulp and hemp pulp. It can be used with double disc refiners,but with conical refiners and also can be used alone. Main specifications5/5(1).


Share this book
You might also like
collected works of Quaid-e-Azam Mohammad Ali Jinnah

collected works of Quaid-e-Azam Mohammad Ali Jinnah

Inland energy development impact assistance act of 1977

Inland energy development impact assistance act of 1977

economic mind in American civilization.

economic mind in American civilization.

Maigret goes to school

Maigret goes to school

Tell every man

Tell every man

Sermons of courage and cheer

Sermons of courage and cheer

Entertainment event information directory.

Entertainment event information directory.

Louisiana Creoles

Louisiana Creoles

Everglades of Florida

Everglades of Florida

Critical temperatures for blossom buds

Critical temperatures for blossom buds

Music Publishers International Ismn Directory

Music Publishers International Ismn Directory

Canadian Folk Songs for the Young

Canadian Folk Songs for the Young

Painting and culture of the Mongols

Painting and culture of the Mongols

Allergy in relation to otolaryngology.

Allergy in relation to otolaryngology.

Britain and developing countries

Britain and developing countries

Long-term status of the Social Security Trust Funds

Long-term status of the Social Security Trust Funds

Refiner mechanical pulping in Canada by G. E. Styan Download PDF EPUB FB2

The specific energy consumption in mechanical pulping is – kWh/ADt pulp for different mechanical pulping methods (SGW, RMP, TMP, or CTMP) (European Commission, ).

The specific energy consumption in mechanical pulping is dependent on the particular pulping process, the properties of the raw material (wood species), and, to a large. The kraft process is the dominating pulping process, which accounts for almost 60% of all mechanical and chemical pulp produced worldwide.

In this process, pulp is produced by digesting wood chips at high temperature and pressure in a sodium hydroxide solution called white liquor to dissolve the wood lignin and other organic wood substances and.

The history of mechanical pulping. Charles Halsey Carpenter. C.H. Carpenter, - Technology & Engineering - 87 pages. 0 Reviews. From inside the book. What people are saying - Write a review.

We haven't found any reviews in the usual places. Contents. The Rugged Sutherland Refiner for Chemical Pulp I. The utilization of aspen in chemimechanical pulping increased significantly during the last Refiner mechanical pulping in Canada book.

There are a number of technologies now available for chemimechanical pulping of aspen, the two most popular being BCTMP and APMP. The former involves impregnation with alkaline sulphite (AS) and the latter with alkaline peroxide (AP) by: 2.

Acid Sulfite Pulping Process Description - The production of acid sulfite pulp proceeds similarly to kraft pulping, except that different chemicals are used in the cooking liquor. In place of the caustic solution used to dissolve the lignin in the wood, sulfurous acid is employed. To buffer the cooking solution, a bisulfite of File Size: KB.

Bleaching of mechanical pulp is much different than that for chemical pulp. Mechanical pulping leaves the lignin and the cellulose intact, whereas the purpose of chemical pulping is to chemically sepa-rate the lignin from the cellulose fibers and remove it from the pulp.

A major advantage of mechanical pulping is the high yields of pulp that can be. Although the first use of paper made from wood pulp dates fromas seen in some pages of a book published by Matthias Koops that year in London, [3] large-scale wood paper production began with the development of mechanical pulping in Germany by Friedrich Gottlob Keller in the s, [4] and by the Canadian inventor Charles Fenerty in Nova.

“The influence of production rate on refining in a specific refiner,” International Mechanical Pulping Conference, Montreal, Canada, Härkönen, E., and Tienvieri, T. “Energy savings in TMP pulping,” International Mechanical Pulping Conference, Helsinki, Finland.

An account is given of (1) the effects of 2 white-rot fungi (Ceriporiopsis subvermispora and Phanerochaete chrysosporium) on hardwood and softwood chips in terms of subsequent pulping energy and handsheet characteristics and (2) the physical properties of handsheets refined from coarse refiner mechanical pulp treated with C.

by: Nordic Pulp & Paper Research Journal was founded by the Swedish Association of Pulp and Paper Engineers (SPCI) in Sincethe journal is owned by Mid Sweden University and run as a project by Mid Sweden University, Chalmers University of Technology, Karlstad University, Royal Institute of Technology, Swedish University of Agricultural Sciences.

@article{osti_, title = {Refining intensity, energy consumption, and pulp quality in two-stage chip refining}, author = {Miles, K.B. and May, W.D. and Karnis, A.}, abstractNote = {This paper reports on thermomechanical pulps produced in two pilot plant installations.

Both installations were conventional two-stage systems in which the first stage was pressurized and. Multi-stage AP mechanical pulping with refiner blow line treatment Download PDF Info Publication number USB2.

USB2 US12/, USA USB2 US B2 US B2 US B2 US A US A US A US B2 US B2 US B2 Authority USCited by: Mechanical pulp produced by passing wood chips between the plates of a refiner without any pre-treatment.

Defibration takes place under atmospheric pressure. The wood chips are defibrated at about 0 C mostly in 2 stages with consistencies of % in the second stage. Refiner Plate Clash Detection Using an Embedded Force Sensor, International Mechanical Pulping Conference Please Note: This document will be available in PDF format in the "My Electronic Documents" link on the home page once your order has been completed.

Paper engineering is a branch of engineering that deals with the usage of physical science (e.g. chemistry and physics) and life sciences (e.g.

biology and biochemistry) in conjunction with mathematics as applied to the converting of raw materials into useful paper products and co-products. The field applies various principles in process engineering and.

Indeed, low consistency refining is a major component of an industry consortium of 16 companies led by James Olson to carry out research focused on reducing energy consumption in mechanical pulping.

Figure (Right) The single-bar refiner being operated by Mark Martinez. Figure (Left) AIKAWA low consistency refiner and related equipment. Refiner pulp and thermo-mechanical pulp are produced by chips. These chips are ground by passing them through rapidly rotating in both processes.

In the second stage after refining, the pulp is screened, cleaned, and most of the process water is. WOOD PULPING AND CHEMICAL RECOVERY SYSTEMS Pulping Processes Mechanical Pulp 4_i Semi-Chemical Pulp Chemical Pulp Pulping and Chemical Recovery Systems Kraft and Soda Pulping Sulfite Pulping Semi-Chemical Pulping COMPOSITION AND TOXICITY OF PULPING LIQUORS.

Pulp is a lignocellulosic fibrous material prepared by chemically or mechanically separating cellulose fibres from wood, fiber crops, waste paper, or rags. Many kinds of paper are made from wood with nothing else mixed into them.

This includes newspaper, magazines and even toilet paper. Pulp is one of the most abundant raw materials worldwide. Methods of bleaching mechanical pulp under alkaline conditions with hydrogen peroxide. The methods include introducing a source of magnesium ions and hydroxyl ions to a refiner.

The wood particulates are refined into a pulp in the presence of the magnesium ions and hydroxyl ions, and optionally perhydroxyl ions to simultaneously refine and bleach the pulp in a by:.

MECHANICAL PULPING: Estimating the area and number of bar crossings between refiner plates; MECHANICAL PULPING: The influence of fiber dimensions on mechanical pulp long fiber tensile index and density; MECHANICAL PULPING: Development of TMP fibers in LC- and HC- refining; MECHANICAL PULPING: Fibre and fines quality Cited by: 5.Industrialbackgroundsession Technical development of mechanical and che-\ '•'' " mimechanical pulpingprocesses •"' *"''Pulp andPaper Reseach Institute of Canada Prospects for mechanical pulps in different regions ofthe world R.

Aurell, Jaakko PoyryOy, Finland The production and use of mechanical and chemimechanical pulps 5 E. Bohmer, The Norwegian .This book basically comprises of bio refiner mechanical pulping of bast type fibres, use of trichromatic colourimetery for measurement of brightness and yellowness of bleached pulps, finishing and converting, coating equipment, chemical and additives in papermaking, mixed pulping of jute stick and other agricultural residues etc.5/5(1).