[Originally published in the May 1995 issue of Chemical Engineering] Cyclone dust collectors have been used - and misused - all over the world for more than 100 years. One reason for the misuse is a common perception among users…
It was the Dr. James R. Fair Heritage Distillation Symposium at the Chicago AIChE meeting last month. I had decided to finally give a presentation about something that has been bugging me since October 28, 1974, my first day as…
The Witte Co. This salt-drying system recycles hot exhaust air Among a host of advantages, the bulk salt-dryer system (photo) from this company captures half of its hot exhaust air for recycling, which both reduces energy requirements and cuts the…
Several case histories illustrate the benefits of identifying and correcting poorly designed reflux and product-handling systems Manufacturers of specialty chemicals are routinely required to reduce costs and increase the production of their high-value products. Specifically, competitive pressures from the developing…
On display at this firm’s booth will be a hiconti pilot plant that will later be delivered to a customer from the pharmaceutical industry. The unit is designed for continuous and homogeneous drying of various extrudates in pilot scale, prepared…
This firm announces two new FilmTec 8-in. saltwater reverse osmosis (SWRO) membrane elements for improved performance and energy efficiency in desalination applications. At 99.80%, the FilmTec SW30XHR-400i has the highest salt rejection consistently demonstrated in the industry, according to the…
In response to the increased demand for tailings and fine iron-ore filtration, this firm has created a platform for large-scale pressure filtration in mining applications. The Hoesch Fast Opening Filter Press is the latest development, which is one of the…
Karasek Powerfilm rotor technology can be fabricated into thin-film evaporators (photo, p. 32D-2) with inside diameters of 2,000 mm or more. The design and large size of the evaporator rotors can help increase profit margins by raising process capacity and…
Jing Jin Filter Press Group The Unattended Quick Filter Press Model KZG185/1500-U (photo) delivers high efficiency and energy savings. The system has 48 chambers with volumes of 3.7 m3, and a filtration area of 185 m2, and delivers a squeezing…
The AVA Vertical dryer is a combination of a centrifuge with a helical dryer on a lifting column. The system requires lower ceiling heights than a fixed installation of the two components, and can be installed in existing production halls…