Dry-Tray Pressure Drop of Sieve Trays Revisited
Data points from literature are refined into a single correlation defining dry-tray pressure drop in…
Cover Story
Commentary
Awarding ‘green’ innovations
The U.S. Environmental Protection Agency (EPA; Washington, D.C.; www.epa.gov) has recently announced the winners of…
In The News
Newsfronts
CO2-Capture Technologies Aim to Cut Costs
Despite cost hurdles, CO2-capture technologies continue to advance, driven by the critical role of CO…
Bringing Increased Reliability and Safety to Control Valves
Hardware improvements and service programs add more value to today’s control valves Chemical processors demand…
Chementator
Fuel tank for natural gas vehicles moves toward commercialization
Natural gas vehicles (NGVs) are attractive because of the low cost and wide availability of…
Chementator briefs
Desalination Recently, Formosa Petrochemical Corp. (FPCC; Mailiao, Taiwan; www.fpcc.com.tw) commissioned IDE Technologies (Kadima, Israel; www.ide-tech.com)…
A probe that tests galvanizing kettles at high temperatures
To provide corrosion protection and long life, steel products are galvanized by immersion into kettles…
A new zeolite catalyst promises to significantly improve naphtha cracking
Chiyoda Corp. (Yokohama, www.chiyoda-corp.com) has been working on a new naphtha cracking process with the…
A 'greener' more sustainable route to trimethylgallium
Last month, the Precious Metals Chemistry business unit of Umicore AG & Co. KG (Hanau-Wolfgang,…
A new catalyst for making methane from CO2 and H2
The Sabatier reaction, in which H2 and CO2 react at temperatures of 300–400°C in the…
Make more from biomass with iron
Nippon Shokubai Co. (Osaka and Tokyo, Japan; www.shokubai.co.jp) has jointly developed a new process for…
New process generates salable products from Marcellus produced water
Produced water from natural gas wells in the Marcellus Shale Deposit is extremely high in…
Bio-based xylitol lowers production costs
While demand for the artificial sweetener xylitol grows, expensive raw materials and low yields have…
Business News
Business News August 2017
Plant Watch Arkema invests in capacity expansion for biosourced polyamide 11 July 12, 2017 —…
Technical & Practical
Feature Report
Reboiler Circuit Debottleneck with No Hardware Changes
With a thorough investigation and proper problem diagnosis, an entire gas plant limited by a…
Mixing: Impeller Performance in Stirred Tanks
Characterizing mixer impellers on the basis of power, flow, shear and efficiency Mixing has been…
Facts at Your Fingertips
Facts at your Fingertips: Batch versus Continuous Blending
Blending is a fundamental chemical unit operation, and there are a handful of common ways…
Technology Profile
Technology Profile: Diammonium Phosphate Production
This column is based on “Diammonium Phosphate Production – Cost Analysis,” a report published by…
Environmental Manager
Control Room Design for Chemical Engineers
Chemical engineers bring many essential skills to the diverse teams required for successful control room…
You And Your Job
Outsourcing and Offshoring Engineering and Fabrication Activities
Follow these tips to get the most out of these high-risk, high-reward, third-party arrangements Outsourcing…
Equipment & Services
Focus
Focus on Analyzers and Monitoring Devices
Improved Raman spectrometer identifies materials The i-Raman Pro ST (photo) is a portable, high-throughput Raman…
New Products
Batch mixers with adjustable power options
The GBM single-shaft paddle mixer (photo) for powder solutions is available in sizes from 50…
Advanced sensor technology reduces flowmeter vibrations
The Model FT4A thermal mass flowmeter (photo) is designed for monitoring pure gases, mixed gases…
Configure this flow monitor without opening its enclosure
The Blancett B3100 Series flow monitor (photo) is a flexible, digital signal-processing platform for demanding…
Scoops for when cleanliness really matters
The new SteriWare PharmaScoops sampling devices (photo) are made from a variety of materials (polystyrene,…
Direct mass-flow measurement for large-diameter pipes
MT100 Series multipoint thermal mass flowmeters (photo) provide temperature-compensated direct mass-flow measurement of air and…
Vacuum conveyors built for explosive applications
The risk of explosion due to dust is a major operational concern in many industry…
Connect digital signals to the fieldbus with this device
Thanks to the FieldConnex Multi-Input Output (MIO; photo), it is now possible to connect digital…
Control filter pressure in limited space with this gage
With a nominal size of 63 mm and an insertion depth of 32 mm, the…
Reducing emissions from low-pressure storage tanks
The Enardo ES-665 spring-loaded thief hatch for use on low-pressure storage tanks (photo) is engineered…
Cut energy costs in half with these vacuum pumps
This company expands its GHS-VSD+ series of variable-speed driven vacuum pumps with the addition of…
Devote less time to pipe repairs with these new fittings
New MegaPress stainless-steel press fittings (photo) can reduce the time required to make pipe repairs…
Narrow couplers for compact I/O stations
The modular Inline I/O system product range has now been extended with two new bus…
World's fastest battery-powered NDIR CO2 sensor
The new, ultra-fast SprintIR6S nondispersive infrared (NDIR) sensor for CO2 can take up to 20…
Capture waste steam for re-use with this thermocompressor unit
This company’s Steam Jet Thermocompressors (photo) compress low-pressure steam (often waste steam) in order to…
A new generation of laboratory solvent evaporators
This company has launched three new second-generation TurboVap evaporation systems (LV, II and EH) to…
A new modular membrane-chromatography solution
This company has expanded its range of single-use membrane chromatography solutions with Sartobind Cassettes (photo),…
Continuous blending using rotation and fluidization
The Vibra Blender (photo) utilizes a combination of a rotating paddle and material fluidization to…
This technology offers increased filtration area
This company’s Tri-Flow Compact filter technology (photo) is an alternative to HEPA filters for submicron…
Hybrid wiped-film and fractionation systems
This company’s Hybrid Still technology (photo) is designed to separate extremely heat-sensitive fine chemicals and…
Portable analysis system for hazardous chemical identification
The Griffin G510 gas chromatograph-mass spectrometer (photo), is a portable chemical identifier that enables users…
Alternatively control two pumps in water-treatment applications
The NEX Series control panel product line (photo) has been expanded to include single-phase duplex…
A skid-mounted water-treatment unit for small-scale applications
The R5 dissolved-air flotation (DAF) unit (photo) is modular and skid-mounted with variable tank sizes,…