Technical & Practical
Facts at your Fingertips: Heat-Transfer-System Maintenance During Slow Periods
Periods of reduced heat-transfer-fluid (HTF) system operation offer opportunities for mechanical integrity engineers to perform necessary maintenance. Here are suggestions for using the downtime for maintenance tasks. Safety These activities support ongoing safety of the HTF unit. Leak repairs. Repair…
Pressure Instruments: Avoiding the Harmful Effects of Hydrogen
Under the right conditions, the smallest atom can attack and disable sophisticated instrumentation. Understanding how this happens can help users avoid problems Engineers of a certain age may remember the childhood disappointment of a helium-filled balloon going flat overnight. This…
Mechanical Pressure Gages in the CPI
In today’s digital age, there is still a need for mechanical pressure measuring instruments for safety, efficiency and economical advantages. Selecting the right type is described here Whether at work or at home, more and more areas of life are,…
Technology Profile: Isopropyl Alcohol Production from Acetone
This column is based on “Isopropyl Alcohol Production from Acetone – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/isopropyl-alcohol-production-cost. Isopropyl alcohol (also known as isopropanol or 2-propanol) is a colorless and flammable liquid with a…
Facts at your Fingertips: Cyclone Separators
Removing solids from a stream of air or other gases is an important operation across virtually all sectors of the chemical process industries (CPI). In many cases, gas-solid separation is motivated by the need to reduce environmental impact and health…
A Simplified Approach to Crystallization Mass Balances
In continuous crystallization, it is often challenging to accurately measure mass flowrates, but the method described here enables a simpler path to a balanced crystallization process To gain optimal value from industrial crystallization processes, it is clear that understanding specific…
Seal Considerations to Reduce Fugitive Emissions
By understanding the basics of industry standards, such as API 682, plants can make great strides in controlling fugitive emissions related to equipment seals Chemicals that unintentionally leak from equipment into the atmosphere are known as fugitive emissions. These gases…
Owning Your Career: Taking a Hard Look at ‘Soft’ Skills
A personal development strategy helps to set engineers up for success in their personal and professional lives As chemical engineers, we have been trained to be data-driven, fact-based problem-solvers. This focus serves us well when we are tackling difficult technical…
Technology Profile: Production of Orthophthalic Unsaturated Polyester
This column is based on “Orthophthalic Unsaturated Polyester Production Process – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/unsaturated-polyester-resin-production-cost. Unsaturated polyester resins (UPRs) are solutions of unsaturated polyesters in co-polymerizable monomers, which undergo cross-linkage to…
Facts at your Fingertips: Ion Exchange Resins in Water Treatment
Removal of dissolved ions from industrial process water, boiler feedwater or wastewater is a common challenge for facilities in the chemical process industries (CPI). Ion exchange (IX) systems offer one possible solution for demineralization, purification or wastewater-treatment applications. Ion exchange…