Technical Articles

Wyssmont Company, Inc. has published these technical articles:

(Solids and Powder Processing Equipment)
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Drying is one of the most energy intensive processes in any manufacturing setting. Learn about a solution that is designed to gently turn and level material, enabling it to dry evenly and......
(Solids and Powder Processing Equipment)
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Drying and solvent recovery of a very heat-sensitive material. Wet material forms balls. Dried lumps disintegrate readily to powder. Material very abrasive. Problems: No overheating....
(Solids and Powder Processing Equipment)
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Many of the company's processes involve acid cleaning and etching of aluminum. The resulting waste solution is neutralized and precipitated out as aluminum hydroxide. After squeezing......
(Solids and Powder Processing Equipment)
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Teledyne uses a TURBO-Dryer to dry ammonium paratungstate prior to its being converted to tungsten oxide in rotary furnaces. The TURBO-DRYER® serves perfectly because of its......
(Solids and Powder Processing Equipment)
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The process required a continuous, closed-circuit drying operation to upgrade quality and lower costs for proprietary, heat-sensitive agricultural chemicals. The former drying method......
(Solids and Powder Processing Equipment)
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Dried barium lanolate is an anti-rust additive, pigment dispersant and anti-caking agent for paints and coatings. It is also an intermediate used to make purified fatty acids of lanolin......
(Solids and Powder Processing Equipment)
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Aerobic biological sludge blowdown from the clarifier in the wastewater treatment system previously had been discharged to solar ponds. However, this procedure became environmentally unsuitable.......
(Solids and Powder Processing Equipment)
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Low temperature drying. Bleach material formerly dried in vacuum dryer. Problems: Very corrosive, very dusty. Readily ignitable. Produce non-dusting product with high chlorine assay....
(Solids and Powder Processing Equipment)
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Boric acid is a dry, friable, white crystalline product that has to be dried from a crystalline solution. Ground-up newspaper, used in cellulose insulation, is impregnated with......
(Solids and Powder Processing Equipment)
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Caffeine, obtained from de-caffeination of coffee beans, is purified for use in soft drinks and pharmaceuticals. The process produces a centrifuge cake with about 35% moisture to be......
(Solids and Powder Processing Equipment)
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Calcium carbonate is used to make phosphor powder for lamps. Dryness of product is critical. The former method of drying was batch-type rotating vacuum dryers that required......
(Solids and Powder Processing Equipment)
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Because of its high 94-97% assay, about 25% less "Superflake (R)" is generally required for the same application as the more conventional 78% assay calcium chloride. Thus, the......
(Solids and Powder Processing Equipment)
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Curing and drying. Problems: Uniform drying with minimum breakage. Results: Breakage negligible. Very uniform drying provides high test values for......
(Solids and Powder Processing Equipment)
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Major supplier of automotive electrical parts. The new dryer takes a wet feed with 10% free moisture and discharges a uniform granular mixture with less than 0.3% moisture. Drying temperatures are......
(Solids and Powder Processing Equipment)
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This company had to dry a fine crystalline solid from 8 to 10% moisture to less than 0.5% without melting it to an unusable fluid mass, plus there must be positive containment......
(Solids and Powder Processing Equipment)
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Drying with solvent recovery. Remove and recover alcohol from highly toxic and obnoxious deoxidizing agent that disintegrates readily into a fine powder. Problems: Dry without dust or......
(Solids and Powder Processing Equipment)
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Subliming. Refining an obnoxious drug formerly produced by batch sublimation. Problems: Change to continuous production, improve purity, eliminate bad working conditions. Results......
(Solids and Powder Processing Equipment)
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Drying without backfeeding. A thixotropic, highly plastic filter cake, 12% solids, corrosive, disintegrates into fine powder when dried in rotary with back feed. Problem: Dry without backfeed with......
(Solids and Powder Processing Equipment)
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The application required the drying of the corrosive salt from 6% down to 0.1% moisture without product degradation, dusting or air pollution...
(Solids and Powder Processing Equipment)
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Drying and cooling a very fragile food grade crystal. Problems: Highly corrosive. Wet crystals cake if left undisturbed. Requires minimum crystal disintegration. Results: Dried from 3.3......
(Solids and Powder Processing Equipment)
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Cereal production at this plant involves a wide range of particle sizes, shapes and moisture levels. Belt dryers, if used, would be 300 ft long in some cases to provide adequate......
(Solids and Powder Processing Equipment)
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This phenolic resin is thermally sensitive and the extruded intermediate is frangible. Particle size of the dryer feed ranges from 1/4" to 3/8". Moisture content is about 15%......
(Solids and Powder Processing Equipment)
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This was an entirely new process that yielded a very high purity product with extremely low toxicity. The herbicide is temperature sensitive. Temperature must be carefully controlled or ......
(Solids and Powder Processing Equipment)
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Produces high-purity lithium carbonate that's used for manufacturing lithium ion battery cathodes, electrolyte salts, and semi-conductors. One important process step - drying the lithium carbon......
(Solids and Powder Processing Equipment)
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Pectin, from lemon rinds, is both hygroscopic and heat sensitive. If heated over 150°F, there is loss of grade, and over 180°F, there is a loss of gelling strength. Over-drying......
(Solids and Powder Processing Equipment)
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In 1955 a Wyssmont TURBO-DRYER® was installed to dry lithium carbonate......
(Solids and Powder Processing Equipment)
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Mycelia cake, the byproduct of Aureomycin production, contains 60% volatile butanol solvent vapors that made Lederle's use of ovens for drying dangerous. The ovens also resulted......
(Solids and Powder Processing Equipment)
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Management at Arapahoe Chemicals estimated that over 1,200 man-hours normally needed for tray loading and handling have been saved in the three years that the Wyssmont TURBO-Dryer has been......
(Solids and Powder Processing Equipment)
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Drying problems include air pollution by solvents, product degradation and packaging difficulties due to lumping. Extensive evaluation of different types of dryers narrowed to two ......
(Solids and Powder Processing Equipment)
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Electronic-grade phosphors for color TV tubes require precision processing to maintain high purity and uniformity. Phosphor "body slip" is a mixture of fine crystals with......
(Solids and Powder Processing Equipment)
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Drying and heating. Will fuse into solid if not agitated. Highly hygroscopic. Problems: Remove last traces of moisture, heat uniformly. Granules must be free-flowing. No batch contamination....
(Solids and Powder Processing Equipment)
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Prilled pitch, used in making carbon electrodes and synthetic graphite, was introduced in 1965. It has become popular because the free-flowing prills are like buckshot which can be handled ......
(Solids and Powder Processing Equipment)
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The plant needed to dry a fine, (3-5 micron), high energy oxidizer containing 1.5-2% moisture down to propellant grade (<0.1 % moisture). The objective was to achieve discrete particles with minimum...
(Solids and Powder Processing Equipment)
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Crushed, pulverized, finely ground coal (-60 mesh) was required for a hydrogenation process. Because certain coals are explosive when dry and finely ground......
(Solids and Powder Processing Equipment)
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Regularly dries 2000-3000 lbs/day of pyrophoric crystalline product from about 2% moisture to near complete dryness. The product has the tendency to explode if not handled carefully. Vacuum tray...
(Solids and Powder Processing Equipment)
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The plant regularly dries 2,000-3,000 Ibs/day of a pyrophoric crystalline product from about 2% moisture to near complete dryness. The product has the tendency to explode if......
(Solids and Powder Processing Equipment)
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AMAX wanted to dry a highly pyrophoric, water-wet, metallic zinc powder from 20% to less than 0.5%moisture as well as maintain 99.99% purity. Zinc, recovered electrolytically, requires......
(Solids and Powder Processing Equipment)
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Drying without backfeeding. Corrosive and abrasive sewage sludge with 84% water. Wet material highly plastic, balls readily. Problems: Eliminate backfeed. Only small space available outdoors for......
(Solids and Powder Processing Equipment)
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The drying problem was the removal of aromatic solvents from several different, heat-sensitive, granular, organic-solids products. Thorough cleaning of equipment at changeover is required......
(Solids and Powder Processing Equipment)
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This company developed a waste treatment process to dry municipal and industrial sludge. The operation had to be sized for an on-site demonstration facility on a low bed trailer......
(Solids and Powder Processing Equipment)
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The company wanted to utilize hot exhaust gas from a nearby kiln to uniformly dry and cure 1,500 to 2,000 lb/hr of moist, claylike pellets from 25% moisture down to less than 5% without......
(Solids and Powder Processing Equipment)
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A company needed to obtain pellets suitable for processing into slab zinc from zinc flotation concentrates. 450 tons/day of zinc concentrates are mixed with a binder, recirculated fines......
(Heating and Cooling Equipment)
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If long retention time or high degrees of product uniformity are necessary in a heating or cooling application, these units provide a compact, easily operated, reliable answer....
(Heating and Cooling Equipment)
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These systems have a reputation for safety and reliability. Many customers with brand experience in drying equipment will consider only Wyssmont systems when drying with solvent recovery....
(Heating and Cooling Equipment)
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FAQs regarding Wyssmont on the sales, engineering and production level....
(Heating and Cooling Equipment)
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A dryer supplier's test lab helps a metals producer choose the right equipment for drying and calcining a metallic compound....
(Heating and Cooling Equipment)
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The TURBO-DRYER consists of a stack of slowly rotating circular trays. Material is fed onto the top tray. After one revolution, the material is wiped onto the next lower tray, where it is mixed,...
(Heating and Cooling Equipment)
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Using a rotary tray dryer helps one processor convert a waste stream into saleable product. It's ability to handle sticky, difficult-to-process filter cake turns a negative into positive cash flow....