If you have water or fluid in your process system, it’s likely you have solids build-up. These solids can cause difficulty in the production process. Basic knowledge about particle size measurement, total suspended solids, fluid types, and filtration screen basics is helpful when determining the correct filtration system to implement or when troubleshooting a problematic system.
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During the paper manufacturing process, many scientific processes are manipulated to control the physical properties of the paper such as weight, thickness, color, strength, and moisture. While most of these variables remain fixed after the paper is made, the moisture content begins to change almost immediately.
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During the past four decades, Kadant has supplied over 1,000 gravity and vacuum-assisted strainers to the pulp and paper industry. As the pulp and paper industry evolved, the need for a product with the advantages of traditional strainers that incorporated higher reliability, a simple design, and less maintenance was recognized.
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The year is already half over and the marketplace is constantly evolving, so in case you missed it, these are the top five blog posts from the past 12 months based on popularity.
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Minimizing wet end breaks due to poorly designed trim squirt systems will increase machine efficiency and productivity. This includes avoiding buildup on the trim squirt nozzles above the sheet. The following steps can help minimize buildups and improve sheet edge finishing.
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The papermaker is faced with many challenges when trying to keep fabrics and roll covers clean. Contaminants are deposited and consequently forced into the void volume of fabrics, reducing permeability, creating holes in the sheet, and other runnability issues. In addition, deposits on roll surfaces cause picking or sheet marking.
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Many attempts have been made to filter white water for reuse on machine showers and in similar applications. Most of these attempts have resulted in various levels of success.
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For years, papermakers have looked for the best combination of drainage and formation in the early section of fourdrinier paper machines. The ability to maximize drainage without sealing the sheet and to control sheet activity over a wide range of basis weights have been challenges with increasing machine speeds and customer quality demands.
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Pressure filters are used extensively in the papermaking process and often go unnoticed as they effortlessly operate in stable mill water systems. They quietly perform as designed preventing shower nozzles from plugging and assuring that paper machine clothing remains clean. Pressure filters protect process equipment by removing contaminants such as sand and silt from mill water.
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During the paper manufacturing process, many scientific processes are manipulated to control the physical properties of the paper such as weight, thickness, color, strength, and moisture. While most of these variables remain fixed after the paper is made, the moisture content begins to change almost immediately.
Read more