Mobile Navigation

Chementator

Member Exclusive

This coated silica additive improves adhesive performance

A recently launched, polymer-coated, fumed silica additive improves the performance of structural adhesives — those designed to bear loads. The new additive is capable of reducing the adhesive’s application viscosity, while simultaneously improving its ability to maintain a bead profile…

Member Exclusive

Distillation: Avoid Problems During Tower Startup

A variety of performance problems can arise in distillation towers during startup. Many are caused by equipment, hardware or process conditions. Hardware issues may be related to instrumentation, tower internals or ancillaries. Instrumentation malfunctions are also common during startup and…

Member Exclusive

A new process for making screens

After eight years of R&D work, Inflotek B.V. (Beringe, The Netherlands; www.) is now commercializing a range of metal screens made with a proprietary, waterjet-cutting technology. Compared to conventional waterjet-cutting methods, Inflotek’s process can reliably make hundreds of perforations per…

Member Exclusive

Winning copper from low-grade ore

India holds large reserves of low-grade sulfide copper ore containing 0.3 wt.% copper, which cannot be processed through conventional routes since the cut-off grade for treatment in concentrators is about 0.45 wt.%. India is in short supply of copper and…

Convert wastewater and CO2 into chemicals with this technology

Electrochemical and chemical-precipitation technology from New Sky Energy (Boulder, Colo.; www.newskyenergy.com) allows the conversion of salty wastewater and CO2 from fluegas into valuable process chemicals, such as soda ash, calcium carbonate, sulfuric acid, bleach and other chemicals. New Sky’s customizable…

Member Exclusive

June Chementator Briefs

Metals recovery Dinnissen Process Technology B.V. (Sevenum, The Netherlands; www.dinnissen.nl) has developed a purpose-built system to recover valuable metals — such as chrome and molybdenum — from highly viscous residual waste from the petrochemical industry. Such waste, which is often…

Member Exclusive

A less-expensive process to recover CO2 from PSA offgas

At Achema 2012 (June 18–22; Frankfurt am Main, Germany), Union Engineering A/S (Fredericia, Denmark; www.union.dk) will be presenting its patented FlashCO2 process — both at the exhibition (Hall 9.1, Stand E29) and in a congress lecture (Monday, June 18th at…

Member Exclusive

‘Visible’ photocatalyst

The research groups of Masahiro Miyauchi at Tokyo Institute of Technology (www.eim.ceram.titech.ac.jp) and Kazuhiko Hashimoto at the University of Tokyo (www.light.t.u-tokyo.ac.jp) have developed a photocatalyst that is highly active for the destruction of volatile organic compoiunds (VOCs) using visible radiation.…

Member Exclusive

Manufacturing bee silk with bacteria

A partnership between Australian research agency CSIRO (Melbourne, Australia; www.csiro.au) and Lonza Group Ltd. (Basel, Switzerland; www.lonza.com), aims to market new insect silk products globally. Potential applications of insect silk include composite fibers for the aviation and marine industries, and…

Member Exclusive

A non-crop-based sugar feedstock for bio-based chemicals and biofuels

Proterro Inc. (Princeton, N.J.; www. proterro.com) has demonstrated technology for directly producing sucrose as a feedstock for bio-based chemicals and biofuels that avoids the need for cellulosic biomass and energy crops. Using a genetically engineered strain of photosynthetic cyanobacteria and…