| 单词 | sulphate process |
| 释义 | > as lemmassulphate process sulphate process n. Paper-making a method of manufacturing a tough brown paper involving the digestion of wood chips by sodium hydroxide and sodium sulphate to form the pulp. ΘΚΠ society > occupation and work > industry > manufacturing processes > paper-making > [noun] > specific processes calendering1513 pulping1640 watermarking1851 couching1875 knotting1875 friction-glazing1878 shake1885 soda process1885 cook1894 sulphate process1894 reeling1906 fibrillation1929 conditioning1954 1894 G. Clapperton Pract. Paper-making iv. 32 The former [process]..employs a solution of sodium compounds containing a large percentage of sulphate of soda, and is known as the *sulphate process. 1963 R. R. A. Higham Handbk. Papermaking v. 98 There are three basic alkaline processes, which are: Soda process, Sulphate (Kraft) process, Pomilio process. 1974 Sci. Amer. Apr. 55/1 Most soda pulp mills changed over to the kraft process (which is also often called the sulfate process). < as lemmas |
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