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Deinking is the industrial process of removing printing ink from paperfibers of recycled paper to make deinked pulp. The key in the deinking process is the ability to detach ink from the fibers. This is achieved by a combination of mechanical action and chemical means. In Europe the most common process is froth flotation deinking. Paper is one of the main targets for recycling. A concern about recycling wood pulp paper is that the fibers are degraded with each cycle and after being recycled 4–6 times the fibers become too short and weak to be useful in making paper.

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  • إزالة الأحبار (ar)
  • Druckfarbenentfernung (de)
  • Deinking (en)
  • Pengawatintaan (in)
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  • Die Druckfarbenentfernung oder auch Deinking (von englisch ink = „Druckfarbe“, „Tinte“) ist der Schlüsselprozess beim Papierrecycling zum Entfernen der Druckfarbe aus bedrucktem Altpapier. Das Altpapier wird dabei durch mechanische und chemische Methoden gebleicht. In Deutschland wird Altpapier deinkt, um daraus Zeitungsdruckpapier, Büropapiere (Kopierpapier) und Hygienepapiere herzustellen. Hier bestimmen vor allem die optischen Eigenschaften den Gebrauchswert. Dunkle Altpapiersorten (Verpackungen, Karton) können nicht deinkt werden, sie müssen deshalb vorher aussortiert werden. Solche Sorten werden wieder zur Herstellung von Karton oder Wellpappe genutzt. (de)
  • Deinking is the industrial process of removing printing ink from paperfibers of recycled paper to make deinked pulp. The key in the deinking process is the ability to detach ink from the fibers. This is achieved by a combination of mechanical action and chemical means. In Europe the most common process is froth flotation deinking. Paper is one of the main targets for recycling. A concern about recycling wood pulp paper is that the fibers are degraded with each cycle and after being recycled 4–6 times the fibers become too short and weak to be useful in making paper. (en)
  • إزالة الأحبار عبارة عن عملية صناعية تتضمن إزالة أحبار الطباعة من ألياف الورق الموجودة في الورق المُعاد تصنيعه بغرض الحصول على عجينة ورقية خالية من الحبر. ويكمن مفتاح عملية إزالة الأحبار في القدرة على فصل الحبر عن الألياف. ويمكن تنفيذ هذا من خلال استخدام مجموعة من الوسائل الميكانيكية والكيميائية. وفي أوروبا، تتمثل العملية الأكثر شيوعًا في إزالة الأحبار باستخدام تقنية الطفو الرغوي. (ar)
  • Pengawatintaan atau penghilangan tinta (bahasa Inggris: Deinking) adalah menghilangkan tinta cetakan dari serat daur ulang kertas untuk membuat pulp awatintaan. Kunci dalam proses pengawatintaan adalah kemampuan melepaskan tinta dari serat. Hal ini dilakukan dengan menggabungkan tindakan mekanis dan kimiawi. Proses yang paling umum di Eropa adalah pengapungan buih yang menghilangkan tinta. (in)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Deinking_(schematic_layout).svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/FlCell.png
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