A new method for removing hydrogen sulfide from natural gas at ambient temperatures could allow significant energy savings compared to the current technique and increase the range of H2S concentrations in natural gas that are economically viable to extract from…
By the end of this year, Asahi Kasei Chemicals Corp. (Tokyo; www.asahi-kasei.co.jp) plans to complete development on two processes that utilize excess C2 and C4 fractions for producing propylene and butadiene, and if all goes smoothly, implement them by March…
The chemical process industries (CPI) are looking for ways to decrease and control costs, and mixing operations are not exempt from this belt tightening. But because mixing is vital to most chemical processes, it can’t be eliminated. As a…
Traditionally, most students have learned about chemical reactions in laboratories using test tubes, beakers and flasks. Those who have gone on to discover and develop new products have typically done so using these batchwise techniques. This mind-set has continued through…
Available in galvanized steel, stainless steel and brass, Nilos rings (photo, p. 64) safeguard ball and roller bearings from the corrosive effects of abrasive particles and debris. The rings can be specified in a wide range of sizes to seal…
The HiPace line of compact, powerful turbopumps (photo) offers pumping speeds of 10 to 700 L/s. The pumps feature an improved rotor design that give both high pumping speeds and high gas throughputs, along with very good compression for light…
This firm specializes in the fabrication of stainless-steel process equipment for the chemical and pharmaceutical industries. For example, it has designed and built a 22-m3 reactor vessel with the following features: double-coated cooling, double mixer; distribution of nitrogen, diffuser for…
The PowerMix includes two separate agitation systems within one mixer. A planetary blade revolves in combination with a separate high-speed dispersion blade. Both revolve on their own axis as well as on a common axis, and the speed of each…
This company is offering a free interactive Air System Maintenance CD that details common maintenance functions for rotary screw compressors, refrigerated and desiccant dryers, filters and drains. Using instructional video, voice over and graphics, this CD illustrates the steps necessary…
A a new diamond coating for mechanical seals has been introduced that offers excellent protection against wear during dry running, in applications with mixed friction and under exposure to abrasive media. DiamondFaces, a specially developed crystalline diamond coating on the…