Flooded Condenser Controls: Principles and Troubleshooting
Flooded condensers are the prime tower pressure-control methods for total condensers that generate only liquid…
Cover Story
Commentary
Tackling environmental challenges
Last month marked the 21st Conference of the Parties to the United Nations Framework Convention…
In The News
Newsfronts
Progress to Limit Climate Change
As world leaders agree on the need to reduce greenhouse gas (GHG) emissions, major milestones…
Is Modular Right For Your Project?
Modular construction provides many benefits, but the decision to go modular should be thoroughly investigated…
Chementator
Chementator Briefs
PET recycling Polyethylene terephthalate (PET) can be quickly depolymerized into virgin monomers using a patented…
A step forward for bio-based butadiene
Increased use of ethane from shale deposits as a feedstock for ethylene production has focused…
A hybrid solar cell that utilizes waste heat to boost efficiency
Scientists from Yonsei University (Seoul, South Korea; www.yonsei.ac.kr) led by Prof Eunkyoung Kim, have developed…
Dry adhesive technology mimics gecko’s feet
A dry adhesive technology inspired by the microscopic hairs on gecko’s feet is said to…
Slash costs with this advanced sulfuric-acid alkylation process
Alkylate — the main component in high-octane gasoline — is produced by catalytic reaction of…
Making hydrogen (and carbon) by cracking methane in molten metal
A process that converts methane into hydrogen and carbon black has been developed by researchers…
These robust organosilane-based membranes promise benefits
A new desalination membrane has been developed by an industry-academia collaboration team, led by professor…
Progress on E.U. project to produce rare earth elements from Greenland
A refinery pilot test was successfully completed on the Kvanefjeld rare-earth (RE) project located in…
Business News
Dow and DuPont to combine in massive merger; and more business news
Plant Watch Dow to increase capacity for glycidyl methacrylate at Freeport site December 10,…
Technical & Practical
Feature Report
PSA Technology: Beyond Hydrogen Purification
Pressure swing adsorption technology is well known for H2 purification applications, but the technique can…
Facts at Your Fingertips
Facts at your Fingertips: Process Hazards Analysis Methods
Different methodologies are available for conducting the structured reviews known as process hazards analyses (PHAs)…
Technology Profile
Technology Profile: L-lysine HCl Production from Glucose
Amino acids are the basis for all proteins and are considered building blocks of life.…
Solids Processing
Hopper Design Principles
When hoppers are designed without consideration of the actual materials being handled, problems inevitably arise.…
Engineering Practice
Illuminating Process Vessels: Advantages of Diffused Light
Don’t panic — What appear to be scratches on a vessel may be an illusion…
Equipment & Services
Focus
Temperature measurement
HART-compatible transmitter eases temperature monitoring Industrial sensors monitor temperature or pressure abnormalities by comparing the…
New Products
These flowmeters are equipped with high-temperature sensors
For flowmeters, sensors limit the maximum operating temperature while the flow volume and direction of…
Use this probe for level detection with heavy materials
This company’s stainless-steel HD probe (photo) can be attached to either the Procap I or…
These enclosures are now available in 316 stainless steel
The TS 8 enclosure cabinet is now available in 316 stainless-steel construction for use in…
Achieve faster actuation for butterfly valves
The Speed Handle kit for butterfly valves (photo) consists of this company’s PlasGear handwheel and…
Use this power-distribution system for plant maintenance
The MGS-DC-30KVA-480-220-110 power distribution system enables operators in industrial settings to utilize power sources independently…
Reduce waste fluids with this coolant-recycling system
The Guardian coolant recycling system (photo) is a management tool for fluid reclamation for operations…
Next-generation connectors for steam-trap installations
Traditional steam-trapping assemblies often require the plant to be shut down for new traps to…
Improved connectivity with tablet-based shaft alignment
After introducing tab@lign — the first-ever laser-shaft-alignment app — in 2013, this company now adds…
Measure energy flow with these smart meters
InnovaMass 240i and 241i vortex mass flowmeters (photo) are specifically designed for precise energy management…
Vibrating hoppers for handling fibrous and flaky materials
The Live Bin is a self-contained vibrating hopper that is designed to provide positive discharge…
Operator control and monitoring in special environments
The new stainless-steel Simatic Inox Pro monitors and panel PCs (photo) are suitable for use…
An acrylic binder designed for use with low-VOC paints
Rhoplex 800h acrylic binder was created to allow for early hardness development in low-VOC (volatile…
Membrane filtration with built-in advantages
This company’s polypropylene (PP) spiral membranes (photo) are said to be more compact than alternatives,…
TDL analyzer series is expanded for refining applications
Four additions have been added to this company’s portfolio of tunable-diode-laser (TDL) spectrometers (photo). The…
Optimize chemical addition in cloth-media filters
The IntelliPro filtration optimization system (photo) is a PC-based control system for this company’s cloth-media…
New compact gear pumps fit into tight spaces
The UP2 family of self-priming, compact electric gear pumps (photo) are available in 12- and…
Departments
Letters
On the subject of ethics
Thank you for writing this article [Engineering Ethics Survey: What’s Your Opinion?, Chem. Eng. October…