Since the turn of the new millennium, considerable changes have been taking place in the methanol sector. About ten years ago, methanol plans in the U.S. were being shuttered, while new ones, with much larger capacity — the so-called mega-methanol…
Biosynthetic Technologies (Irvine, Calif.; www.biosynthetic.com) has developed a continuous-flow process to convert any animal- or plant-based fatty acids with high oleic-acid content into synthetic esters that can be used in formulations for motor oils and industrial lubricants. These biosynthetic esters…
Last month, The Linde Group (Pullach, Germany; www.linde.com) and BASF SE (Ludwigshafen, Germany; www.basf.com) announced plans to cooperate in developing and licensing processes for the on-purpose production of linear butenes and butadiene. BASF has developed process technology and catalysts as…
A less expensive process for producing biodegradeable polyhydroxyalkanoate (PHA) plastics from renewable feedstocks is being scaled up by a factor of six, resulting in a 30,000–60,000-lb/mo pilot facility. The improved PHA process — developed by Meredian Inc. (Bainbridge, Ga.; www.meredianpha.com)…
This new tube-in-tube heat exchanger is designed for heating and cooling sludge that contains fibers and particles, making this equipment ideal for use with most kinds of wastewater sludge. The heat exchanger consists of a single tube mounted inside an…
New bio-based polyimides (PIs) that withstand temperatures up to 390°C — the highest ever reported for a bioplastic — have been developed by Tatsuo Kaneko at the Japan Advanced Institute of Science and Technology (JAIST, Nomi City; www.jaist.ac.jp), in collaboration…
Dust in the chemical processing industries (CPI) is present in numerous operations, including powder processing; the transport of materials on belt or rotary-screw conveyors; grinding materials in giant shredders and pulverizers; machining, sawing, grinding or sanding operations; dumping bags of…
What do you look for in a job? It is an interesting question, and one that has received more attention in recent years as employers, who are struggling to find and attain the “right” person for a particular job, realize…
This is my fiftieth editorial in Chemical Engineering. There have been several surprises, going all the way back to the beginning in 2010, when I was first asked if I would like to author a monthly editorial. I said that…
With the C-XI decanter series, sewage treatment plants can achieve higher dry-substance values, saving money on disposal and further processing, says the company. The new decanters are said to offer optimum conveying of solids, greater purity of the liquid phase,…