The Raleigh, NC plant of Ajinomoto U.S.A. manufactures amino acids, the integral components of protein. All the plant’s amino acids are pharmaceutical grade, in pure crystalline form. They are used…
Dry surfactant products offer versatility and cost less to handle and ship than traditional liquid detergents. However, the high cost of removing water to produce the dry surfactant materials often…
With the rising costs of utilities, Crystals International, Inc. (Plant City, Fla.), a producer of freeze-dried products for the chemical process industries (CPI), was exploring various methods to reduce energy…
Three hybrid ejector/liquid-ring vacuum pump systems, operating on low-pressure steam process vacuum for a Milwaukee biotech manufacturer. When production runs are measured in kilograms, economic and reliable vacuum becomes more important…
The Stepan Company, headquartered in Northfield, IL, is a major manufacturer of basic and intermediate chemicals with modern production facilities located in Illinois, California, Georgia, New Jersey and Grenoble, France.…
The Stepan Company, headquartered in Northfield, IL, is a major manufacturer of basic and intermediate chemicals with modern production facilities located in Illinois, California, Georgia, New Jersey and Grenoble, France.…
Kalama Chemical, Inc. (Kalama, Wash.) produces fine and specialty chemicals for chemical intermediates, corrosion inhibitors, food preservatives and flavors. Its flavor and fragrance products are especially heat sensitive, so distillation…
A low-pressure steam jacket eliminates ice formation inside of a highNacuum (0.5-mm Hg) ejector. The jacket replaces multiple steam nozzles directed against the exterior of the first stage of the…
Figure 1. In total, this illustration represents a four-stage ejector system with two surface-contact intercondensers. A simple single-stage system would comprise only the section in the outlined box. In either…
Steam-jet vacuum systems combine ejectors, condensers and interconnecting piping to provide relatively low-cost and low-maintenance vacuum pumping. These systems operate on the ejector-venturi principle, which relies on the momentum of…
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