Paper machine headbox

The paper machine headbox is an equipment that supply very low consistency stock into the forming section uniformly. The formation and uniformity of the final paper product depends on the dispersion of the fiber and fillers. The furnish delivery system varies on the construction of the Read more

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Kappa number of pulp

The Kappa number of pulp is an indication of the lignin content or bleachability of pulp. We use it to estimate the required amount of bleach chemicals to achieve targeted brightness. If the kappa number value is higher then, the required bleaching chemicals are also higher. On the Read more

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Hydrogen peroxide bleaching

Hydrogen peroxide is a total chlorine free (TCF) bleaching agent. It is appropriate for chemical, mechanical and recycled pulp to achieve a wide range of brightness. It has both oxidizing and reducing properties which is pH depended. The chemical formula of this bleach is H2O2. Pure hydrogen Read more

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Chlorine dioxide bleaching

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 chlorine-free) bleaching process which is currently most important Read more

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Hypochlorite bleaching

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. It can be single stage Read more

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Alkaline extraction stage for pulp bleaching

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 soluble in the water. About 40-42% Read more

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Christmas tissue paper

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 produced. These may be colors such as blue, light Read more

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Best Halloween Tissue Paper

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. This color tissue paper is Read more

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Tissue paper

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 has become an Read more

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Chlorination bleaching process

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 bonds and Read more

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