• The sulfite process produces wood pulp that is almost pure cellulose fibers by treating wood chips with solutions of sulfite and bisulfite ions. These...
    13 KB (1,535 words) - 00:34, 25 May 2025
  • Thumbnail for Sulfite
    Sulfites or sulphites are compounds that contain the sulfite ion (systematic name: sulfate(IV) ion), SO2− 3. The sulfite ion is the conjugate base of bisulfite...
    20 KB (1,829 words) - 04:22, 17 March 2025
  • Thumbnail for Sodium sulfite
    Sodium sulfite (sodium sulphite) is the inorganic compound with the chemical formula Na2SO3. A white, water-soluble solid, it is used commercially as...
    7 KB (574 words) - 14:29, 17 April 2025
  • Thumbnail for Pulp mill
    for further processing. Pulp can be manufactured using mechanical, semi-chemical, or fully chemical methods (kraft and sulfite processes). The finished...
    15 KB (1,936 words) - 23:08, 24 May 2025
  • Thumbnail for Kraft process
    from those used in the bleaching process. For this reason, in the 1940s, the kraft process superseded the sulfite process as the dominant method for producing...
    25 KB (3,109 words) - 07:48, 16 April 2025
  • Thumbnail for Calcium sulfite
    Calcium sulfite, or calcium sulphite, is a chemical compound, the calcium salt of sulfite with the formula CaSO3·x(H2O). Two crystalline forms are known...
    8 KB (744 words) - 00:06, 23 November 2024
  • Thumbnail for Calcium bisulfite
    salt and behaves like an acid in aqueous solution. It is used in the sulfite process for producing paper from wood chips. Calcium bisulfite can be prepared...
    8 KB (824 words) - 15:22, 23 May 2025
  • Thumbnail for Turpentine
    two processes, Kraft process and the Sulfite process. The turpentine obtained from these two processes differ in their chemical composition. Sulfite process...
    21 KB (2,062 words) - 08:14, 26 May 2025
  • Thumbnail for Pulp (paper)
    for further processing. Pulp can be manufactured using mechanical, semi-chemical or fully chemical methods (kraft and sulfite processes). The finished...
    38 KB (4,255 words) - 23:52, 25 May 2025
  • Thumbnail for Magnesium
    chlorophyll), and microbe culture media. Magnesium sulfite is used in the manufacture of paper (sulfite process). Magnesium phosphate is used to fireproof wood...
    80 KB (8,679 words) - 19:57, 24 May 2025
  • a process that has a low yield (30 - 35% of the wood). This makes up of about 85 - 88% of the production. Dissolving pulp is made from the sulfite process...
    5 KB (628 words) - 14:00, 18 May 2024
  • Thumbnail for Alexander Mitscherlich (chemist)
    important work was in the field of processing wood to create cellulose. He patented an early version of the sulfite process in 1882. In 1909 Mitscherlich wrote...
    2 KB (244 words) - 04:29, 30 May 2024
  • Thumbnail for Lyocell
    are digested chemically, either with the prehydrolysis-kraft process or with sulfite process, to remove the lignin and hemicellulose. The pulp is bleached...
    17 KB (2,013 words) - 14:44, 21 May 2025
  • Thumbnail for Sulfonic acid
    acids. In the sulfite process for paper-making, lignin is removed from the lignocellulose by treating wood chips with solutions of sulfite and bisulfite...
    16 KB (1,896 words) - 05:45, 7 April 2025
  • Thumbnail for Vanillin
    by production from the lignin-containing waste produced by the sulfite pulping process for preparing wood pulp for the paper industry. By 1981, a single...
    44 KB (4,548 words) - 21:42, 23 May 2025
  • Thumbnail for Ether
    Inhalant Chemical paper pulping processes: Kraft process (and Soda pulping), Organosolv pulping process and the Sulfite process IUPAC, Compendium of Chemical...
    19 KB (1,841 words) - 14:31, 5 May 2025
  • The topic of sulfite food and beverage additives covers the application of sulfites in food chemistry. "Sulfite" is jargon that encompasses a variety of...
    19 KB (1,862 words) - 18:13, 3 March 2025
  • Thumbnail for Paper
    processes are not used to make paper made from cotton, which is already 90% cellulose. There are three main chemical pulping processes: the sulfite process...
    43 KB (4,702 words) - 02:00, 30 December 2024
  • Thumbnail for History of paper
    first sulfite process mills of Kimberly Clark in Wisconsin, allowing the company to be the first west of the Appalachians to adopt the process, with access...
    80 KB (10,279 words) - 07:01, 24 May 2025
  • Thumbnail for Kraft paper
    durability. Pulp produced by the kraft process is stronger than that made by other pulping processes; acidic sulfite processes degrade cellulose more, leading...
    8 KB (936 words) - 01:03, 1 December 2024
  • Digester (category Chemical process engineering)
    reactors in some applications. Anaerobic digestion Bayer process Kraft process Soda process Sulfite process "digester noun". Oxford Learner's Dictionaries. Retrieved...
    2 KB (180 words) - 20:32, 26 December 2024
  • Thumbnail for Black liquor
    equivalent material in the sulfite process is usually called brown liquor, but the terms red liquor, thick liquor and sulfite liquor are also used.[citation...
    14 KB (1,576 words) - 03:54, 10 January 2025
  • Thumbnail for Ammonium sulfite
    the basis of the Walther Process. The resulting ammonium sulfite can be air oxidized to give ammonium sulfate. Ammonium sulfite is the precursor to ammonium...
    6 KB (413 words) - 14:59, 12 August 2024
  • Thumbnail for Lignin
    processes are core technologies of the papermaking industry as well as the source of significant environmental concerns.[citation needed] In sulfite pulping...
    34 KB (3,826 words) - 14:03, 26 May 2025
  • Thumbnail for Sulfite oxidase
    Sulfite oxidase (EC 1.8.3.1) is an enzyme in the mitochondria of all eukaryotes, with exception of the yeasts.[citation needed] It oxidizes sulfite to...
    13 KB (1,683 words) - 17:02, 1 March 2024
  • Soda pulping (redirect from Soda process)
    degradation. The soda process gives pulp with lower tear strength than other chemical pulping processes (sulfite process and kraft process), but has still limited...
    4 KB (489 words) - 12:24, 12 February 2025
  • Thumbnail for Paper chemicals
    Paper chemicals (category Chemical processes)
    sulfurous acid is known as the sulfite process, the neutral sulfite semichemical is treated as a third process separate from sulfite, and soda pulping which...
    17 KB (1,373 words) - 22:43, 1 February 2025
  • Thumbnail for Environmental impact of paper
    kraft process and the sulfite process for making wood pulp. Sulfur is generally recovered, with the exception of ammonia-based sulfite processes, but some...
    62 KB (6,871 words) - 20:25, 27 May 2025
  • Thumbnail for Carl Kellner (mystic)
    he made significant improvements to the sulfite process and was co-inventor of the Castner-Kellner process. He was a student of Freemasonry, Rosicrucianism...
    9 KB (1,060 words) - 12:43, 5 May 2025
  • different from the pulp produced in the chemical processes (the sulfite process and the Kraft process). The chemical methods gives paper with higher strength...
    7 KB (971 words) - 16:20, 13 April 2025