Author Archives: admin

Chlorine dioxide bleaching

Posted on February 28, 2016 by admin

Chlorine dioxide is an oxidizing agent for pulp bleaching. The chemical formula of this chlorine dioxide bleach is ClO2. It is a yellowish-green gas, bad odor and liquefied in 11⁰C which is red in color. It is an ECF (elemental … Continue reading →

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Hypochlorite bleaching

Posted on January 31, 2016 by admin

Hypochlorite bleach is an oxidizing agent. There are two types of hypochlorite bleaching agent that are used in pulp and paper industries such as calcium hypochlorite and sodium hypochlorite. Generally, this stage is placed after chlorination and alkali extraction stages. … Continue reading →

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Alkaline extraction stage for pulp bleaching

Posted on December 11, 2015 by admin

Alkaline extraction stage is essential after chlorination bleaching stage is to remove chlorinated and oxidizing lignin products from the pulp. It is also help to reactivate the remaining lignin for the next oxidation stage. All the chlorinated lignins are not … Continue reading →

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Christmas tissue paper

Posted on November 1, 2015 by admin

Christmas tissue paper is a special type or non-especial type tissue paper. During Christmas many people decorate their house. For decoration tissue paper can be used and makes the holidays bright. For this purposes a special type tissue paper are … Continue reading →

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Best Halloween Tissue Paper

Posted on October 13, 2015 by admin

Halloween tissue paper crafts are fast, fun and reasonably priced. Tissue paper is produced in different colored, patterns, decorations, and textures. The various available colors of tissue papers are pink, green, light green, blue, light blue, purple, light yellow etc. … Continue reading →

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Tissue paper

Posted on October 11, 2015 by admin

Tissue paper is soft, feathery, lightweight, highly absorbent, tear resistant, disposable and relatively strong paper products. The tissue paper name originates from the French word “tissue”, which meaning cloth. Because of the tissue paper is as soft as cloth. It … Continue reading →

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Chlorination bleaching process

Posted on September 21, 2015 by admin

Chlorination bleaching is the second stage of the pulp bleaching process. It is the cheapest bleaching agent for eliminating lignin. Elemental chlorine (EC) reacts selectively with the non carbohydrate compounds. It is another significant delignification process. It ruptures the lignin … Continue reading →

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Guidelines to choosing best paper towels

Posted on August 16, 2015 by admin

There are different types of paper such as Printing and Writing Papers, Tissue, Newsprint, Containerboard, Kraft Paper, and Paperboard. Paper towels are under category of tissue paper. After toilet paper, it is the most purchased tissue product by consumers. The … Continue reading →

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Oxygen delignification process

Posted on July 28, 2015 by admin

Oxygen Delignification is one of the most significant and well proven pulp bleaching process for ECF (elemental chlorine free) and TCF (total chlorine free) bleached pulp production. It is the first stage of the bleaching process; in this case oxygen … Continue reading →

Posted in Lignin, pulp bleaching, Pulp Mill | Tagged , , , , , , | 17 Comments

The chemical reactions in Kraft pulping process

Posted on June 30, 2015 by admin

Kraft pulping process is the most used pulping process in the world. In this process lignin goes into the reactions with the cooking liquor chemicals and split into fragment. These fragments dissolved with the solution and wood disintegrates into fiber. … Continue reading →

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