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Back Issue
September 2007, Vol. 103, No. 9
In This Issue
COVER STORY
Selecting Elbows for Pneumatic Conveying Systems
The right elbow can keep your system operating at peak performance, reduce maintenance costs, and minimize material attrition and elbow wear. This article describes common elbows and outlines factors to consider when selecting one.
Paul Wagner
NEWS STORY
Nanotechnology: Cause for Concern?
Nanotechnology — it's a small science with big stakes. Some of the unique properties that make nanoscale materials useful may also pose hazards to humans and the environment. Can the EPA find a way to effectively regulate these tiny high-tech materials?
Kristine Chin
ENVIRONMENTAL MANAGEMENT
Avoid Common Pitfalls When Using Henry's Law
Here is practical guidance on the use of Henry's law in engineering calculations and how to account for the temperature dependence of the Henry's constant — which is often ignored but which can be crucial for accurate process design.
Francis L. Smith and Allan H. Harvey
MANAGEMENT
Create Business Value Through Process Modeling
As businesses strive to improve productivity, process modeling can be a powerful tool. This article explores the role of modeling in enhancing the effectiveness and efficiency of process development and manufacturing.
Bernard McGarvey
CHEM SHOW SPONSORED LINKS
Delta Cooling Towers: Corrosion Proof Engineered Plastic Cooling Towers
Manufacturer of seamless engineered plastic cooling towers, ranging from 10 to 2000 ton capacities. The towers incorporate a high efficiency counter-flow design, which is molded into a unitary leak-proof structure. †All models are factory assembled, simple to install and nearly maintenance free. †15-year warranty*. †Packaged Pump/Control Skids and Storage Tanks also available. 1-800-BUY-DELTA. www.deltacooling.com
High Purity Hose for Chemical, Pharmaceutical, & Clean Applications
AdvantaPure, the high purity products division of NewAge Industries, will have a variety of fluoropolymer, silicone, and EPDM hoses on display at the Chem Show for applications involving chemical transfer, air and gas lines, processing, water and fluid drains, and more. Click for info or explore samples at Chem Show booth 1630.
AdvantaPure(R); E-mail:cep@advantapure.com; www.advantapure.com
Precision Dispensers & Metering Pumps
Fluid Metering, Inc. offers a full line of Dispensers and Metering Pumps for Laboratory, Industrial and OEM applications. FMI’s unique piston-type positive displacement units feature no valves, low-dead volume, 1% accuracy and a ceramic/fluorocarbon fluid path. Flows from 2.5 µl/dispense to flows of 4,600 ml/min with pressures to 100 psig. Fluid Metering is certified as compliant with ISO 9001 quality standards. Fluid Metering Inc., 5 Aerial Way, Suite 500, Syosset, NY 11791 USA; Call toll free (800) 223-3388 or 1-(516) 922-6050; FAX 1-(516)624-8261;
E-mail: pumps@fmipump.com; Website: www.fmipump.com
Larox eccentric design hose pumps rolls over conventional hose pumps
Larox Pumps radical cost advantage over other hose and centrifugal pumps. Larox pumps heavy slurries, viscous, or aggressive media. Utilizing a unique rolling design eliminating friction, hose wear, and lowers energy. Hose compression only once per revolution. 1 yr. operating savings by using Larox often saves enough for a new pump.
www.larox.us
INOX-TECH: Specializing in Engineering, Fabrication and System Integration
By carrying out custom engineering, fabrication, and installation of stainless steel equipment and/or turnkey process systems with its in-house staff, INOX-TECH offers customers in the food, biotech, chemical, alternative fuel and other industries a "ONE-STOP Solution" to meeting their liquid process requirements.
E-mail: info@inox-tech.com www.inox-tech.com
Engineer’s Aide CHEMPRO 8 for Fluid Flow and Process Simulation
The new Engineer’s Aide CHEMPRO 8TM excels where others fail including 3-phase flash calculations for challenging aqueous-hydrocarbon systems. CHEMPRO 8 combines fluid flow and process simulation and handles both normal and upset conditions. Based on industry standard API thermodynamics and methods, CHEMPRO 8 simulates liquid, gas, and multi-phase piping systems and compressor performance.
Contact EPCON International for a software demonstration today – 800-367-3585, www.epcon.com