Enzymes are proteins synthesized in living cells that act as biocatalysts for specific reactions. However, enzymes must be applied under mild conditions, since they lose their catalytic activity when subjected to heat, organic solvents or strong acids and bases. Enzymes…
Vacuum drying can be a useful tool for solid products that are heat-sensitive. Here are some guidelines for the selection and use of various types of vacuum dryers Drying is an essential unit operation in a variety of chemical process…
Some of the many things to consider for the complex task of performing a column revamp are presented in this cover story Petroleum refineries, chemical-processing plants, natural-gas purification plants and other facilities in the chemical process industries (CPI) all contain…
This type of tank is often preferred to cylindrical tanks when space is limited. Follow this guidance to calculate the relevant dimension and ensure safe construction With the increasing age of many chemical process plants, a challenge often arises when…
Material- and energy-balance models can help to identify potential opportunities The processing of mined minerals in aboveground facilities relies on several energy- intensive unit operations, such as comminution, screening and material transport. Crushing operations typically produce a wide distribution of…
The design and selection of reactors to evaluate catalyst candidates at the laboratory scale is critical to success at industrial scale The development of an industrial catalytic process starts very often at the laboratory, with experiments designed to screen several…
Several carbon capture and sequestration (CCS) processes hold much promise, and there are challenges yet to be met A number of post-combustion carbon capture technologies have the capability to reduce the amount of carbon dioxide emitted to the atmosphere from…
The Belec Compact Port is a versatile mobile spectrometer currently going through the evaluation process with a Fortune-500 oil-and-gas organization for the detection of sulfidation corrosion in hot applications. The Compact Port incorporates features required by oil-and-gas inspection professionals. The…
Introduced in January, Baynox Ultra is a highly active liquid stabilizer specially designed for biodiesel made from polyunsaturated fatty acids, such as soybean and sunflower methyl esters. This easily metered additive contains a balanced blend of highly active antioxidants and…
The Ruggedcom RX1400 is a multiprotocol intelligent node that combines Ethernet switching, routing and firewall functionality with various WAN connectivity options. The device is IP40 rated, does not use fans for cooling, operates continuously within a –40 to 85°C temperature…