Foam in the Pulp & Paper Industry Lignin, rosin and fatty acid soaps, and hemicelluloses 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.
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What is flocculation? Flocculation is the separation of a solution, commonly the removal of sediment from a fluid. The term is derived from floc, which means flakes of material; and when a solution has been flocculated, the sediment has formed into larger aggregated flakes, making them easier to see and remove. This process occurs naturally,
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In the field of manmade fibres processing Nylon is one of the biggest names along with Polyester and acrylic. Most common form of Nylon is Nylon 6 & Nylon 6,6. Lets see the differences between Nylon 6 and Nylon 6,6. Topics Nylon 6 Nylon 6,6 1. Chemical composition H[NH(CH2)5CO]nOH H[NH(CH2)6NH.CO(CH2)4CO]nOH 2. Crystalline Less crystalline than
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small, lay peacefully between its four familiar walls. A collection of textile samples lay spread, gilded frame. It showed a lady fitted out with a fur hat and fur boa who sat upright, raising a heavy fur muff that covered the whole of her lower arm towards the viewer. A collection of textile samples lay
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