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chemical recovery for papermaking

Chemical Recovery In Papermaking Industry

With today’s increasingly high energy and chemical costs and stringent environmental regulations, the need for improved recovery of chemicals from the pulp and paper making process has become a critical economic factor in the industry. It is essential that mills maximize steam and power production capacity, reduce recirculating chemical dead loads, and minimize chemical losses. …

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high quality paper pulp

How is paper pulp made

Paper is actually a multi-functional biomass product, which can be made of renewable woods, grass, rags, waste paper, and other materials. No matter which material is used for papermaking, the first step is always to dissolve the material into pulp. Modern pulp production is based on the best available technologies and concepts, creating more products …

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Technical principles of oxidation bleaching of hydrogen peroxide (H2O2)

According to different properties and action principals of pulp bleaching agents, the bleaching can be divided into two types: one is oxidation bleaching; the other is reduction bleaching. Oxidation bleaching agent can further remove the residue of lignin and other impurities as well as colored substances, which can not only improve the whiteness and purity …

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