飞行员 发表于 2025-3-23 13:02:48
,Das Psychiatrische Untersuchungsgespräch,Internal process change is one of the options adopted by the pulp and paper industry to reduce pollution at the source. Studies have shown that large number of pulp and paper mills in the developing countries have significantly reduced effluent discharge even when the production has been increased.镇痛剂 发表于 2025-3-23 17:00:37
Pulp and Paper Making Process,The paper manufacturing process has several stages—Raw material preparation and handling, Pulp manufacturing, Pulp Washingand Screening, Chemical recovery, Bleaching, and finally Stock Preparation and Papermaking.ASSET 发表于 2025-3-23 21:06:59
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https://doi.org/10.1007/978-3-662-08359-8n color of the Kraft pulp and unbleached paper. The objective of bleaching is to remove the residual lignin from the pulp as selectively as possible, without degrading the pulp carbohydrate, especially cellulose, which would lead to a decrease in strength of the pulp.6Applepolish 发表于 2025-3-24 12:09:04
,Das Psychiatrische Untersuchungsgespräch, as alternatives to conventional technologies and end-of-pipe pollution treatment technologies, which are essential either as a supplement or as a backup measure to pollution reduction techniques in order to meet the effluent regulation standards. Both these approaches are equally important in meeti深渊 发表于 2025-3-24 17:27:19
Bleach Plant Effluents from the Pulp and Paper Industry978-3-319-00545-4Series ISSN 2191-530X Series E-ISSN 2191-5318LURE 发表于 2025-3-24 22:48:22
https://doi.org/10.1007/978-3-662-08359-8n color of the Kraft pulp and unbleached paper. The objective of bleaching is to remove the residual lignin from the pulp as selectively as possible, without degrading the pulp carbohydrate, especially cellulose, which would lead to a decrease in strength of the pulp.largesse 发表于 2025-3-25 01:50:26
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