Processes involving extremely low temperatures present unique process design and safety challenges. This one-page reference outlines considerations for low-temperature operations. Direct contact Extremely low temperatures can rapidly freeze human tissue. Contact between a worker’s bare skin and a low-temperature vapor,…
Armed with a proper understanding of chemical exposure risks and available safety solutions, engineers can be confident in selecting the best personal protective equipment to provide reliable barriers to workplace hazards There is a tendency to think about personal protective…
Determining the field performance of centrifugal compressors can benefit operation and maintenance of the equipment. Presented here is an overview of the parameters that must be measured and calculated for effective testing Compressors are used in all areas of production…
These cautionary tales provide insight that can lead to best practices for scientists who are seeking patents for their inventions Publish or perish is a maxim in the scientific community, where scientists are encouraged to share their work quickly and…
Overpressure in a process can damage the seals in a pressure instrument’s sensor or skew the zero point. Here’s how to avoid the problem Pressure is one of the most commonly measured variables in the chemical process industries (CPI). Accuracy…
This column is based on “Polyacrylonitrile Production – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/polyacrylonitrile-production-cost. Polyacrylonitrile (PAN) is a polymer resin mainly composed of acrylonitrile. This important acrylic resin is used in the production…
Closing off pressure upstream can minimize the need for pressure-relief systems to open, avoiding product waste and possible environmental damage Any system within a chemical process industries (CPI) manufacturing plant that is pressurized, or could experience pressure during an upset…
Adjustment and control of moisture levels in solid materials is a critical aspect in the manufacture of many chemical products. Drying can be defined as the vaporization and removal of water or other liquids from a solution, suspension, or other…
Recent advances in gas-monitoring technologies can greatly increase worker connectivity and safety With increased automation, expanding areas of operation and smaller teams of field workers, monitoring personnel and ensuring lone worker safety are serious challenges for the chemical process industries…
Uniflow cyclones can be effective solid-gas separation equipment when space is limited. Presented here are design and calculation methods for uniflow cyclones aimed at widening the industrial usefulness of these devices Cyclone separators are, in addition to fabric filters, electrostatic…