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Technology Profile: Acrylonitrile Butadiene Latex Production

This column is based on “Acrylonitrile Butadiene Latex Production – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/nitrile-rubber-production-cost. Nitrile rubber (also known as NBR, acrylonitrile butadiene rubber, acrylonitrile butadiene latex, Buna-N) is a synthetic polymer…

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Crystallization: Contributing to Circularity

In a variety of industrial applications, crystallization technologies contribute to the circularity of manufacturing processes and supply chains Crystallization is a major unit operation in the chemical process industries (CPI), typically used for separating and purifying materials in a wide…

Direct degradation of microplastics in wastewater

Microplastic pollutants in wastewater are notoriously difficult to treat, and can stem from many common sources, ranging from personal-care products to textiles. A new treatment technology developed by a team of researchers from Institut National de la Recherche Scientifique (INRS;…

Like Metals, Polymers Fail — but Differently

This pictorial guide illustrates some of the common problems that can occur with polymeric and elastomeric materials that differ from those that occur with metallic seals and components Failures of polymer (plastic and elastomeric) parts and their consequences can be…

Sealing Technology for Caustic Service

This overview compares various sealing technologies, and points out advantages and disadvantages of applying different mechanical-sealing designs for caustic fluids Caustic applications in chemical plants can play havoc on the mechanical seals of rotating equipment. These applications can be difficult…

New large-diameter fire-safe gasket delivered

This company has delivered its largest ever Flexpro gasket (photo) to be used in the development of a propane dehydrogenation (PDH) plant in the U.S. The gasket, with a diameter in excess of 5 m, is faced with Thermiculite, a…

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Facts at your Fingertips: Thermal Oxidizer Selection

Thermal oxidizers are pollution-control units designed to prevent process-generated volatile organic compounds (VOCs) from entering the environment. Different technologies offer tradeoffs among initial cost, operating expense, complexity, emissions, fuel efficiency and destruction efficiency. This one-page reference provides information on selecting…

New tank outlet valves for sanitary applications

This company has added a new model of tank outlet valve to its APV D4 series of mix-proof valves (photo). The new D4 valves enable users to clean the pipeline without having to empty the contents of the tank, which…

Free firmware upgrade adds MQTT IIoT support

This company has released a free firmware upgrade enabling new and existing MicroSmart FC6A Plus PLC CPUs (photo) to support the industry-standard MQTT protocol. The upgrade can be downloaded to the FC6A CPU, so it is easy for users to…

Handheld Raman instruments meet USP requirements

NanoRam and NanoRam-1064 handheld Raman instruments (photo) are calibrated in compliance with the wavelength accuracy criteria for qualitative Raman measurements set forth by all global pharmacopeias, including the new USP 858 and 1858 chapters. The system software of NanoRam and…