This article covers permitting and directly related design issues associated with thermal processes used for drying and calcining, using the production of ceramic proppants as an illustrative example. While the magnitude of permitting issues varies significantly with air-quality attainment area…
A process developed by Lehigh Technologies (Lehigh; Tucker, Ga.; www.lehightechnologies.com) for embrittling and milling rubber from end-of-life vehicle-tire material is capable of generating micron-scale rubber particles that can be used in a host of rubber, foam and plastic products to…
Manufacturer’s warranty period extended to two years Trolex This manufacturer of gas detection and environmental monitoring systems has extended its warranty period to two years, providing additional coverage for all of its equipment. The company also offers a service contract…
Vacuum conditions for many unit operations — including distillation, evaporation, drying, crystallization, filtration and more — are typically achieved using the following three approaches: • Steam ejector systems • Mechanical vacuum pumps • Integrated vacuum systems (which combine steam ejectors…
The Safety Relay Module (SRM) is said to be a versatile relay repeater module that has been certified by Exida for single use in safety-instrumented systems (SIS) up to SIL 2. The SRM is part of the company’s FS Functional…
Five new EZ-Light high-intensity indicators have been introduced to provide clear, long-range visibility in intense sunlight or brightly lighted indoor conditions. All lights use advanced LED technology to provide longer life and lower energy consumption than fluorescent or incadescent light…
The Japan Information-technology Promotion Agency (IPA; Japan; www.ipa.go.jp) has entered into a formal collaboration agreement with the ISA Security Compliance Institute (ISCI; Research Triangle Park, N. Carolina; www.isasecure.org) to facilitate adoption of the ISASecure industrial automation controls (IAC) certification program…
Advanced Algal Technologies (Sydney, Australia; www.advancedalgal.com) has signed a $100-million deal with Fuzhou Xiangli Enterprise Management Consulting (Fuzhou, China) — an LED-lighting manufacturer — for a license to build 500 algal-farming-conveyor modular units per year. These units will be used…
It was clear at the recent Chemical Sector Security Summit (Baltimore, Md., July 31-Aug. 1) that awareness of and activity in security for the chemical process industries (CPI) are growing. The annual summit, now in its sixth year, was held…
This article is the first in a two-part series, in which the types of process vacuum equipment (steam ejector systems and mechanical vacuum pumps) are discussed.1 Emphasis is given on how they are constructed and operate, and how to design…