1989 International Sulfite Pulping Conference

Westin Seattle, Seattle, WA, Oct. 25-27 by International Sulfite Pulping Conference (1989 Seattle, Wash.)

Publisher: TAPPI Press in Atlanta, GA

Written in English
Published: Pages: 109 Downloads: 821
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Subjects:

  • Sulfite pulping process -- Congresses

Edition Notes

Includes bibliographical references

SeriesTAPPI proceedings, TAPPI proceedings
ContributionsTechnical Association of the Pulp and Paper Industry
The Physical Object
Paginationv, 109 p. :
Number of Pages109
ID Numbers
Open LibraryOL14647325M

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. Recovery boiler is the part of Kraft process of pulping where chemicals for white liquor are recovered and reformed from black liquor, which contains lignin from previously processed wood. The black liquor is burned, generating heat, which is usually used in the process or in making electricity, much as in a conventional steam power invention of the recovery boiler by G.H. Tomlinson. Pulp and paper waste water is one of the major sources of industrial water pollution. This study tested the suitability of ceramic tubular membrane technology as an alternative to conventional waste water treatment in the pulp and paper industry. In this context, in series batch and semi-batch membrane processes comprising microfiltration, ultrafiltration and nanofiltration, ceramic membranes Cited by:   12/26/ Filing Date: 01/26/ In the lecture "On line cooking liquor analyzer--a means for effective control of sulfite digester", International Sulfite Pulping Conference, Toronto Oct. , , TAPPI Proceedings, p. , Byland et al. disclose a method for controlling sulphite pulping, said method essentially comprising.

@article{osti_, title = {Organosolv pulping: a versatile approach to wood refining}, author = {Lora, J.H. and Aziz, S.}, abstractNote = {The fractionation of hardwoods into pulp, lignin, and hemicellulose has been studied in a multi-stage alcohol extraction pilot plant. By adjusting processing conditions, pulps of different properties were obtained. Recommended Citation. McGovern, J.N. and McGregor, G.H. Sulfite pulp production: some factors pertinent to meeting war born shortages. Pulp Paper Mag. Can. 45 Author: John Neilson McGovern, George Harvey McGregor. Recovery boiler is the part of Kraft process of pulping where chemicals for white liquor are recovered and reformed from black the process lignin of the wood, bound in black liquor at this phase, is burned and heat generated. The heat is usually used in the process or in making electricity, much as in a conventional steam power invention of the recovery boiler by G.H.   What is claimed is: 1. A process for the bleaching of deinked paper pulp, comprising simultaneously adding to a deinked pulp a sulfite bleaching agent and a reducing agent comprising sodium borohydride to conjointly treat such pulp in a reaction medium having an initial pH ranging from at least 7 to 12, washing the conjointly treated pulp to eliminate said sulfite bleaching agent and sodium.

Technical Association of the Pulp and Paper Industry, 7 books Technical Association of the Pulp and Paper Industry., 4 books Werner Gerlach, 2 books Jerome M. Gess, 2 books David R. Roisum, 2 books William G. Corboy, 2 books Dan W. Manson, 2 books Albin F. Turbak, 2 books Blade Coating Seminar ( Portland, Me.), 1 book P. Lepoutre, 1 book.   Brutia pine wood chips were pretreated with lignin degrading fungus (Ceriporiopsis subvermispora) and its effects on kraft pulping involved adding ant Cited by:

1989 International Sulfite Pulping Conference by International Sulfite Pulping Conference (1989 Seattle, Wash.) Download PDF EPUB FB2

Wong, A., and Derdall, G., TAPPI International Sulfite Pulping Conference Proceedings, TAPPI PRESS, Atlanta, p Manufacture of Bleached Aspen Market Pulp. TAPPI proceedings of the pulping conference; October November2; New Orleans, LA. Atlanta, GA: TAPPI Press; Book 3.

PROGRESS IN BLEACHING PULPS WITH THE SULFITE-AIR SYSTEM Edward L. Springer ny Chemical Engineer Chemist USDA Forest Service. USDA Forest Service. Sulfite and Bisulfite Pulping. Online Course Description: This single module is included in the Pulp Manufacturing Technology introductory online course developed by Alabama Southern Community College under a grant by the National Science Foundation.

RECOVERY AND RECYCLING OF SO2 IN A SULFITE PULP MILL Leo E. Hakka Cansolv Technologies Inc. ave. Christophe-Colomb, SuiteMontreal, Quebec H2M 2N9 Canada + David J. Brown Simon-Carves Fenco Inc. Atria North - Phase II Sheppard Avenue East Willowdale, Ontario M2J 5A6 Canada () International Sulfite Pulping Conference, Sheraton Centre Hotel, Toronto, Ontario, October Author: Technical Association of the Pulp and Paper Industry.

International Brotherhood of Pulp, Sulphite and Paper Mill Workers Records on Microfilm # mf. Kheel Center for Labor-Management Documentation and Archives, Cornell University Library.

After sulfite cooking of wood chips pretreated for 2 weeks, the Kappa number decreased by 30% with hard- and softwood. Tensile and tear indices decreased by only 10%, while the brightness of unbleached pulp increased by 4% with by: Book review HANDBOOK OF PULP Herbert Sixta (Editor), vol.1 including kraft pulping, sulfite and others such as “Gh.

Asachi” Technical University of Iasi, Romania. Book review/Environmental Engineering and Management Journal 6 (), 2, magnefite and alkaline sulfite. Kraft pulping File Size: KB. Proc of the Environmental Conference of the Technical Section, Canadian Pulp and Paper Association, Quebec, Canada, October 8–10,; pp 63– Google Scholar Cited by: 1.

The properties of pulps produced with the ASAM pulping technology offer significant advantages compared to conventional sulfite pulps but in addition there is also a significant improvement of the. EPA/OOS BACKGROUND DOCUMENT: ACID SULFITE PULPING by Al Linero Environmental Science and Engineering, Inc.

University Station Gainesville, Florida Contract No. Task Order No. 14 EPA Project Officer: Thomas F. Lahre Prepared for ENVIRONMENTAL PROTECTION AGENCY Office of Air and Waste Management Office of Air Quality Planning and. The ASAM pulping process can be regarded as leading to a combination of the pulp properties of kraft and sulfite processes.

In ASAM pulping with the usage of alkali and sodium sulfite (Na 2 SO 3), the depolymerization properties of kraft process and the hydrophilicity-creating properties of sulfite process were illustrated (Shukry et al. The sulfite process produces wood pulp that is almost pure cellulose fibers by treating wood chips with solutions of sulfite and bisulfite ions.

These chemicals cleave the bonds between the cellulose and lignin components of the lignocellulose. A variety of sulfite/bisulfite salts are used, including sodium, calcium, potassium, magnesium, and ammonium.

The lignin is converted to lignosulfonates, which are soluble. Abstract. Alkaline sulfite pulping of corn stalks was investigated to produce supplementary pulp for corrugating board manufacture.

Three pulping temperatures (,and °C) and five active alkali charges (10, 12, 14, 16, and 18%) were used. pulping process is shown in figure Mechanical, semichemical, and sulfite pulp mills differ in detail, particularly in wood preparation, fiber separation, and bleaching, but many of the downstream refining, bleaching, and papermaking processes are similar.

In addition to the primary steps in pulp and paper. @article{osti_, title = {Integration of the Mini-Sulfide Sulfite Anthraquinone (MSS-AQ) Pulping Process and Black Liquor Gasification in a Pulp Mill}, author = {Hasan Jameel, North Carolina State University and Adrianna Kirkman, North Carolina State University and Ravi Chandran,Thermochem Recovery International Brian Turk Research Triangle Institute and Brian Green, Research Triangle.

In sulfite pulping, usually conducted under acid or neutral conditions, sulfur dioxide and/or bisulfite ions react with lignin to produce water-soluble sulfonated lignins that are degraded by acid hydrolysis reactions.

Sulfite pulping can be controlled to produce pulps over a wide range of lignin contents and pulp. Pulping Conference 1 copy; Process and Product Quality Division Symposium 1 copy; International Sulfite Pulping Conference 1 copy; Coextrusion Seminar 1 copy; Bleach Plant Operations Seminar 1 copy; Contaminant Problems and Strategies in.

Chemical Wood Pulping General Chemical wood pulping involves the extraction of cellulose from wood by dissolving the lignin that binds the cellulose fibers together.

The 4 processes principally used in chemical pulping are kraft, sulfite, neutral sulfite semichemical (NSSC), and soda. The first 3 display the greatestFile Size: KB. Pulping Conference Proceeding. Different Solvents for Organosolv Pulping.

) while the temperatures, pressures and pH conditions that are used depend on the solvent. International Symposium on Wood and Pulping Chemistry. imprint [Vancouver: s.n., ] description. p.: ill.

ISBN. Sulfite pulping process. Wood-pulp--Congresses. More Details. conference author. International Symposium on Wood and Pulping Chemistry.

title. International Symposium on Wood and Pulping Chemistry: technical. A segment of a stainless steel clad bottom cone of an acid sulfite pulping batch digester failed from severe corrosion loss.

The digester was fabricated of 19 mm (⁠ 3 4 in.) low-carbon steel with mm ( in.) type L stainless steel manufacturing method for the cladding was unknown.

The literature related to differences between chemical cellulose pulps produced by different pulping processes has been reviewed. Kraft pulps tend to be stronger, particularly in tear strength, while sulfite pulps hydrate and beat more readily.

Organosolv pulps tend to mirror the properties of sulfite more than those of kraft pulps. A number of theories have been offered to explain Cited by: Possibilities for improving the pulping process Peter Axegård STFI, Swedish Pulp and Paper Research Institute [email protected] ABSTRACT This paper summarizes the main findings from the Swedish research program "The Eco-cyclic Pulp Mill" which has been in operation between – An important part of the program is the comparison.

Alkaline sulfite/anthraquinone (AS/AQ) pulping and totally chlorine free (TCF) bleaching of bagasse was investigated.

Depithed and wet cleaned bagasse was collected from the Pars Paper Company in southern Iran, dried and then pulped. The active alkali charge was chosen between 16 and 20% on oven-dry bagasse and the alkali ratio, Na 2 SO 3 /NaOH, was varied from 30/70 to 70/ The.

The APMP process was first introduced at the International Mechanical Pulping Conference (22). Since then, a number of studies have been reported from the Andritz Pilot Plant in Springfield, Ohio on the characteristics of the APMP process, on how it compares to CTMP and pre-bleached CTMP, and on its.

Pulping Conference Proceedings (2 Volume Set) ISBN ISBN Why is ISBN important. ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book.

The digit and digit formats both work. Increase awareness of sulfite pulping chemical recovery, including NSSC and bisulfite/acid sulfite spent pulping liquor; the different approaches to dealing with sodium, magnesium, calcium, and ammonium bases; and what occurs in a SO₂ gas absorption system.

Language: English Training Time: Single Module, approximately 50 minutes ACCESS: 10 days. This article discusses the methods of pulp production, pulp processing, pulp bleaching, and paper manufacturing. It describes various types of digesters, their construction materials, the corrosion problems encountered, and methods to protect these digesters from corrosion.

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

This includes newspapers, magazines and even toilet paper. Pulp is one of the most abundant raw category: Production [M ton]. Christopher J. Biermann, 2 books International Symposium on Wood and Pulping Chemistry ( NC State University), 1 book Sven A.

Rydholm, 1 book Robert R. Peck, 1 book Clarence J. West, 1 book Ken L. Patrick, 1 book P. Bajpai, 1 book Herbert Sixta, 1 book J.

F. Laundrie, 1 book Torbjörn Lindgren, 1 book Arlene L Heaster, 1 book Scott E Dibbs.In: Pulping conference proceedings; November ; Atlanta, GA. Atlanta, GA: TAPPI Press; Book 1. PULPWOOD AND TIMBER TRENDS: OUTLOOK TO AND BEYOND Peter J. Ince Research Forester USDA Forest Service Forest Products Laboratory 1 Madison, Wisconsin USA ABSTRACT Regional fiber supply, technological change, and.Locals and of the International Brotherhood of Pulp, Sulfite, and Paper Mill Workers agreed to a merger in January,and became Local No.

In late the International changed its name to the United Paperworkers International Union and the local number changed to Return to the Table of Contents.