Chemical Engineering 2015 №04 April

Column Revamps: From Outside to Inside
Some of the many things to consider for this complex task
are presented hereChementator
Biomass pretreatment approach can reduce enzyme requirements; Making bio-based PET monomer from furfural;
Scaleup for an alternative route to PC monomer; Making fuels from almost any organic material; End-to-end demonstration of CO2-to-ethanol process achieved; and moreBusiness News
Arkema to expand production of PEKK specialty polymer; Perstorp starts up plasticizer plant extension; ABB to build manufacturing site in Tennessee; AkzoNobel breaks ground on alkoxylation facility; Evonik to acquire Monarch Chemicals; Total acquires majority stake in plastics company Polyblend; and moreNewsfront New Frontiers in Metals Recycling
Precious and rare-earth metals are used in countless consumer products, and advanced processes to efficiently recover these materials from waste present promising alternative sourcesNewsfront The Changing Face of Gas Analysis
Calibration-free, modular and automated gas analyzers provide benefits to the chemical process industries (CPI)Facts at your Fingertips Industrial Microorganisms
This one-page reference provides information on important microorganisms and their industrial applicationsTechnology Profile Onsite Enzyme Production
The column describes a process to manufacture the enzyme cellulase, which can be used to produce ethanol from lignocellulosic biomassFeature Report Part 1 Vacuum Drying Basics
Vacuum drying can be a useful tool for products that are heat-sensitive.
Here are some guidelines for the selection and use of various types of vacuum dryersFeature Report Part 2 Wastewater Sludge
Centrifugation Before Drying
The decanter centrifuge is an important piece of equipment for sludge volume reduction prior to thermal drying. Understanding centrifuge operation helps manage drying energy costsEngineering Practice A Primer on Rectangular Tanks
This type of tank is often preferred to cylindrical tanks when space is limited.
Follow this guidance to calculate the relevant dimensions and ensure safe constructionSolids Processing Increase Profits in Size-Reduction
Plants Material- and energy-balance models can help to identify potential opportunitiesFocus Compressors, Fans and Blowers
This cooling fan is rated for use in explosive environments; This compact gas compressor is designed for methane; Extreme-duty model extends this family of blower heaters; Compress low-molecular-weight gases to high pressures; Explosion-proof fan has an air-delivery rate of 4,450 ft3/min; Positive-displacement blowers move process and cooling gas; and moreNew Products
Integrated blowers save time and money; A new level sensor in hygienic design; A mobile app for catalyst recommendations; These membrane modules now boast a larger area; Isolate dust explosions with this updated line of equipment;
This disperser re-suspends densely packed, layered materials; Online boiler cleaning with this shock-pulse machine; and more