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Pulp & Paper

  1. Defoamers for the Pulp & Paper Industry

    Posted by AMSI USA on | Comments Off on Defoamers for the Pulp & Paper Industry

    Foam in the Pulp & Paper Industry Lignin, rosin and fatty acid soaps, and hemicellulose are commonly formed during the pulping process, resulting in high levels of foam. Excess foam will negatively impact process and equipment efficiency, leading to inferior or rejected paper. Defoamers and antifoams are a necessity to the entire paper making process. […]

  2. What You Need to Know About Brown Stock Washing Defoamers

    Posted by AMSI USA on | Comments Off on What You Need to Know About Brown Stock Washing Defoamers

    Brown stock washing is a complex, dynamic process in which dirty wash water or weak black liquor (dissolved organic and inorganic material obtained from the pulp cooking process) is separated from the pulp fibers1. The organic materials are recovered for their fuel value and the inorganic material is recovered for the sodium content to regenerate […]

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