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July 2017

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Cover Story

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× COMMENTARYEDITOR'S PAGE

2017 Nicholas Chopey Scholarship
As a provider of practical information and news for the…

COVER STORY

FIGURE 1. These images from a helium-ion microscope show the pore structure of lignite-based activated carbon

Activated Carbon: Fundamentals and New Applications
Activated carbon sorbents are important tools in water purification and…

IN THE NEWSNEWSFRONTS

Figure 1. This 1,150-m.t./d nitric acid plant, which started up this year in Hungary, uses a dual-pressure process together with EnviNOx NOx/N2O abatement. The nitric acid is used for fertilizer production

thyssenkrupp Industrial Solutions

Nitric Acid in the Spotlight
Efforts continue to make nitric-acid production more efficient with lower…

Figure 1. Packaging equipment providers are working on innovations based on robotics, innovative product transport systems, integrated solutions and incorporating servo technology combined with clever software solutions

Optima Consumer

Packaging Equipment:Product Quality Improves with Innovations
More sophisticated packaging equipment helps the CPI boost product quality…

CHEMENTATOR + Show More

Finely tuned electrodes for water treatment
A new electrochemical water-treatment process developed in the laboratory of…

CNT membrane aids distillation of brine
Membrane distillation (MD) — a thermal desalination technique used for…

A continuous biotreatment process that degrades phenol in wastewater
Although there are several ways to reduce the phenol concentration…

Chementator Briefs
Recycling sachets Later this year, Unilever (London, U.K.; www.unilever.com) plans…

Low-cost water treatment uses CO2 to remove particles without membranes
Researchers at Princeton University (Princeton, N.J.; www.princeton.edu) have developed a…

Commercial debut for a process that captures CO2 directly from air
On May 31, Climeworks (Hinwill/Zurich, Switzerland; www.climeworks.com) inaugurated its —…

Responsive coatings lead to stronger 3-D-printed parts
Additive manufacturing (3-D printing) has quickly gained popularity, due in…

A first commercial step towards on-site ammonia production
A new company — Tsubame BHB Co., Ltd. (Tokyo, Japan;…

Electrostatic spray drying protects heat-sensitive products
A spray-drying technology that applies an electrical charge to feedstock…

BUSINESS NEWS

July 2017 Business News
Plant Watch Ineos announces plans to build new PDH plant,…

TECHNICAL & PRACTICALFEATURE REPORT

FIGURE 2. Leaks can occur through the relief system if rupture discs become compromised

Rupture Discs: Effectively Minimize Leaks and Emissions
When installing rupture discs, there are several mechanical and operational…

FIGURE 3. There are many aspects to consider when installing a safety valve into a typical steam-system application

Proper Sizing and Installation for Steam System Safety Valves
Successful operation of safety valves in steam systems requires careful…

FACTS AT YOUR FINGERTIPS

Figure 1. The linked silica and alumina tetrahedra of zeolites create cage-like cavities and channels that can be exploited to control chemical reactions

Facts at Your Fingertips: Zeolites
The physical properties of zeolites make them extremely important in…

TECHNOLOGY PROFILE

Figure 2. Several possible production pathways exist for urea

Technology Profile: Urea Production from Ammonia via a Self-Stripping Process
This column is based on “Prilled Urea from Ammonia via…

ENGINEERING PRACTICE

Figure 1. Shown here is the predicted population distribution for the calculating confidence level example

Setting Specifications in the Modern World
Utilizing ‘Tolerance Intervals’ can help to set more realistic specification…

YOU AND YOUR JOB

Figure 3. Virtual and augmented reality can be combined in immersive operations training

Training Today’s Workforce
Integrated console, virtual-reality simulation offers learning for maximum, measurable training…

EQUIPMENT & SERVICESFOCUS

Focus on software for chemical process applications
Upgraded meshing capabilities improves CFD modeling output Ensuring optimal…

NEW PRODUCTS + Show More

Self-tuning transducer senses position, displacement or proximity
The new digiVIT digital variable impedance transducer for linear position,…

Precise measurement and control of gases
The new generation of high-precision mass flowmeters (MFM) and controllers…

New PPE garment protects against both chemicals and fire
Tychem 2000 SFR (photo) is a new protective garment designed…

Detect the presence of steam and water in boilers and drums
The Mobrey Hydratect 2462 detection system (photo) is used in…

This software suite integrates analytics and machine learning
Asset Performance Management (APM) is a complete software suite for…

An efficient variable-speed drive for compressors and pumps
The new Veco-Drive electric superimposing gear (photo) combines a mechanical…

Control several channels with this HART multiplexer
The new HART Multiplexer System (photo) offers the possibility to…

A new probe for measuring hydrogen peroxide vapor
The HPP272 probe for the measurement of vaporized hydrogen peroxide…

A highly adaptable reverse osmosis system
The PROflex reverse osmosis (RO) system (photo) features a new…

A single-pot system for the food industry
Mixing, granulating, coating, drying and heating and cooling can be…

Rotary vane pumps for critical applications
The DuoLine two-stage high-performance rotary vane pumps (photo) cover all…

Customized bag filling for cement, minerals and chemicals
The new fillpac bag placer (photo) enables efficient bag filling…

A reactive silencer keeps these compressors quiet
The sound waves from the discharge side of this company’s…

A fully scalable, single-use bioreactor system
This company’s next-generation Biostat STR (photo) is a fully scalable,…

These ultrafiltration membranes offer extreme hydrophilicity
The PolyCera Hydro (photo) is a new ultrafiltration membrane for…

A new range of thermoplastic seals
VarioPur (photo) is a new product range that includes three…

This gas monitor has a dual-sensor design
The Ultima X5000 gas monitor (photo) is a replacement for…

Save time and lost revenue with this valve matrix solution
The Mixproof Valves valve matrix (photo) is designed to increase…

An efficient motorized actuator for globe and diaphragm valves
The new eSyDrive motorized actuator (photo) is designed on the…

Highlights Training Today’s Workforce Setting Specifications in the Modern World Rupture Discs: Effectively Minimize Leaks and Emissions Focus on software for chemical process applications Facts at Your Fingertips: Zeolites

Operations & Maintenance

FEBRUARY 01, 2016
Software and Mobile Apps
Advance engineering projects with process simulation tools ChemCad is an…

GOLD
JANUARY 01, 2016
Illuminating Process Vessels: Advantages of Diffused Light
Don’t panic — What appear to be scratches on a…

GOLD
SEPTEMBER 01, 2015
Improving the Operability of Process Plants
Turndown and rangeability have a big impact on the flexibility…

GOLD
JULY 01, 2015
Gas Turbines: Design and Operating Considerations
Gas turbines are widely used throughout the chemical process industries…

GOLD
JUNE 01, 2015
Materials Selection In The CPI
An overview of the many factors to be considered when…

GOLD
MAY 01, 2015
Connecting Operations Personnel to Reliability Efforts
Seven methodologies are described to help operations staff take greater…

GOLD
MAY 01, 2015
Managing Large Chemical Plant Startups
Prudent planning and scheduling during a project’s front end can…

GOLD
APRIL 01, 2015
Column Revamps: From Outside to Inside
Some of the many things to consider for the complex…

GOLD
MARCH 01, 2015
Steel Corrosion
Corrosion of steel is a key concern in many industrial…

GOLD
JANUARY 01, 2015
The Impact of Off-BEP Pump Operation
Best-efficiency point (BEP), the flowrate at which a pump operates…

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