The technological advances that we witness in our everyday lives are quite astounding. What were once fantasies in science fiction have become reality. “Smart” devices that are now affordable to many, can talk to us, answer our questions, vacuum our…
The relationship between valve selection and safety certification still causes confusion. A focus on functional safety can help to elucidate Among the many varied viewpoints on the topic of emergency shutdown (ESD) valves, there are several aspects that continue to…
General guidelines for selecting the appropriate power-plant cooling system are presented here The main purpose of a power plant is to convert a source of energy into electric power. Most power plants rely on heat as the energy source (thermal…
This overview presents the traditional and emerging types of continuous crystallizers Crystallization is an important technique for the purification of solids in the chemical process industries (CPI). The operation can be performed batchwise or in continuous operation, and is used…
Reliable information about industrial crystallization can be difficult to find and to apply to new situations. The work process outlined here will help engineers approach crystallization challenges Project and plant engineers frequently face issues with crystallization processes, but often possess…
This column is based on “Calcium Hypochlorite Production via Sodium Method – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/calcium-hypochlorite-production-cost. Calcium hypochlorite, Ca(OCl)2, is among the few metal hypochlorites that is stable enough to be…
Cake filtration is a common operation across many sectors of the chemical process industries (CPI). In cake filtration, the solid being filtered acts as a screen so that particles of the suspension are retained by the medium, resulting in the…
These lidded drums (photo) are dull TIG (tungsten-inert gas) welded with welding filler material and without gaps. The seams are rolled flat and finely polished inside and out. The drums are also easy to clean and residue-free, and have a…
This company has fabricated a 300-gal vessel (photo) designed for 5 psi internal pressure at 300°F. All of the wetted surfaces are stainless-steel type 304L polished to 240-grit finish. The vessel is agitated by a special disperser blade driven to…
The new Delasco DX series (photo) is a peristaltic pump that minimizes water waste while increasing pumping efficiency. The Delasco DX series consists of three diverse models (DX65, DX80 and DX100) that are equipped with a technology to meet the…