An automated and precise powder dispenser Intended for distributing resins from reservoirs into reactors, reaction blocks, and microplates, The REDI automated powder-dispensing platform (photo) is available in several configurations. These include: the REDI super, which distributes powder samples from 100…
Separation by a membrane is achieved by creating a boundary between different bulk gas or liquid mixtures. As different solvents and solutes flow through a membrane at different rates, separation is achieved. Here, we will focus on three filtration techniques:…
This year, Interphex will be held at the Pennsylvania Convention Center in Philadelphia, Pa. from March 26 – 28, 2008. Interphex, the largest pharmaceutical conference and exhibition in the world, will feature cutting-edge technology in the area of life sciences,…
The 24th International Pump Users Symposium will be held from April 21 – 24 at the George R. Brown Convention Center in Houston, Texas. As a meeting organized by pump users for pump users, it provides valuable resources for engineers…
European Union (EU) proposals for emissions trading and renewable energy will hurt chemical producers unfairly, according to Cefic, the European Chemical Industry Council (Brussels; www.cefic.be). Without world agreement on emissions trading, a one-sided restriction could even harm Europe’s ability to…
This is an important year for any company that makes, uses, buys or sells chemicals or products containing chemicals. On June 1, 2007, the European Union’s (EU) Regulation on Registration, Evaluation, Authorization and Restriction of Chemical substances (REACH) came…
On Dec. 18, 2006, the European Union (EU) passed a new law creating a single integrated system for the registration, evaluation and authorization of chemicals, which is known as REACH. Described as the most important EU regulation in the last…
An understanding of instrumentation is valuable in evaluating and troubleshooting column performance Instrumentation is critical to understanding and troubleshooting all processes. Very few engineers specialize in this field, and many learn about instrumentation through experience, myth and rumor. A good…
The batch reactor is the workhorse of the fine chemical and pharmaceutical industries. Within it, many different unit operations are performed such as chemical reactions, bioreactions, crystallization, distillation and dissolution. Despite their significance to the industry, batch reactors have been…
Tube plugging is probably the most frequently used maintenance and repair technique for the tube side of an exchanger. This article provides information on how to locate the positions of tube failures and discusses why it is important to know…