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Displaying 201 - 220 of 282 stories.
April 8, 2009
Aspen Technology, Inc. (Burlington, Mass.; www.aspentech.com), a leading provider of software and services to the process industries, today introduced batch process development innovations for the pharmaceutical and specialty chemical industries. The innovations in the new 7.1 release of aspenONE software will help chemists and engineers to accelerate batch process development and reduce manufacturing...
http://www.che.com/software_automation_and_control/information_technology/design_simulation_and_modeling/AspenTech-launches-release-7-1-of-aspenONE_4727.html
April 3, 2009
I recently read Hydrogen-Pinch Analysis Made Easy Chem. Eng., June 2008, pp. 56–61. The paper presents an automated spreadsheet program to target the minimum fresh hydrogen resource for a hydrogen network. While the effort of the authors is appreciated, I do not agree with some claims in the paper, including the following: The authors do not acknowledge an earlier work by El-Halwagi (2003), which is...
http://www.che.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Hydrogen-Pinch-Analysis-Made-Easy-Discussion-between-a-reader-and-the-authors_4682.html
April 1, 2009
Project management can be a messy, complex issue for all involved parties and, likely, the most hair-raising aspect of all is project handover from the EPC (engineering, procurement, construction) contractor to the chemical processor. In the past, this literally involved a truck pulling up with cartons and boxes chock full of engineering documents, drawings, operations manuals and catalogs. From there, the...
http://www.che.com/software_automation_and_control/information_technology/project_mgmt/Project-Management-Digital-Handover-Headaches_4645.html
March 10, 2009
Process Systems Enterprise (PSE; London, England; www.psenterprise.com), providers of the gPROMS advanced process modeling system and related services to the process industries, and Hyperion Systems Engineering Ltd. (Nicosia, Cyprus; www.hyperion.com.cy) the leading independent simulation-solutions supplier, today announced the appointment of Hyperion as agent for PSE’s...
http://www.che.com/software_automation_and_control/information_technology/design_simulation_and_modeling/PSE-and-Hyperion-sign-Saudi-gPROMS-agency-agreement_4612.html
February 16, 2009
Invensys Process Systems (IPS; Plano, Tex.; www.ips.invensys.com) has released the newest version of SimSci-Esscor’s HEXTRAN software, a comprehensive heat transfer and pinch analysis tool. In addition to the numerous infrastructure upgrades and enhancements that address the emerging needs of clients seeking cost-effective and efficient heat transfer, HEXTRAN 9.2 simulation software can now be used...
http://www.che.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Invensys-Process-Systems-unveils-HEXTRAN-9-2_4553.html
February 13, 2009
For safe operation of a flange joint, it is important to consider a number of parameters that have an impact on the bolts, gasket and flanges. The relatively large number of mathematical...
http://www.che.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Flange-joint-software-for-calculation-and-simulation_4544.html
January 1, 2009
With the challenging global marketplace and these unstable financial times, the chemical process Industries (CPI) must do everything possible to economically maintain production while providing innovative and high quality products for their customers. To achieve both these goals, predictive and preventive maintenance programs are possibly the most important gear in any processors toolbox. Not only will...
http://www.che.com/software_automation_and_control/information_technology/predictive_and_preventive_maintenance/PM-and-PDM-Crucial-Gear-in-the-CPI-Toolbox_4430.html
December 1, 2008
Engineers often need to fit experimental data to an empirical relationship for extrapolation or modeling without resorting to a full mathematical treatment based on physical principles or theory. The most widely used platform in science for doing this is MS Excel, and while its "off-the-shelf" Trendline tool is useful, it is limited to only 4 or 5 simple functions. Excel’s Solver add-in, on...
http://www.che.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Engineering-Practice-Functions-for-Easier-Curve-Fitting_4387.html
November 1, 2008
Management is a process of managing risk; maintenance management is a process of managing risk for operational reliability. Since it is hard to manage what cannot be measured, effective maintenance management demands good data on machine health — a comprehensive condition monitoring program, carried out by skilled and determined personnel, using appropriate tools and technology. Condition-based...
http://www.che.com/software_automation_and_control/information_technology/Condition-Based-Maintenance-Management-Enhances-Reliability_4320.html
November 1, 2008
Process modeling has progressed from the "molecule accounting" of steady-state flowsheeting packages to become a central platform for capturing and deploying chemical process industries’ (CPI) intellectual property (IP). Systematic modeling has moved center stage to help companies differentiate themselves from their competitors while also providing a set of tools with which it is possible...
http://www.che.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Cover-Story-Process-Modeling-Moves-Center-Stage_4317.html
September 15, 2008
Each compressed air system is typically composed of one or more compressors with a power source, control system, intake air filter, after cooler and separator, air receiver, air dryer, interconnecting piping and a distribution system to deliver air to points of application. Because the air leaving the compressor is generally saturated, any reduction in temperature will cause water to begin condensing...
http://www.che.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Engineering-Practice-Predicting-Water-Content-of-Compressed-Air_4174.html
September 15, 2008
There are many criteria that the engineer considers when optimizing: maximization of product yield or quality; minimization of recycle flow or energy consumption; and economic indicators, such as maximization of profits, net present worth (NPW) and minimization of payback period (PBP). Instead of simply focusing on the most important criterion, it would be preferable to optimize the process for several...
http://www.che.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Engineering-Practice-Optimize-your-Process-Plant-for-More-than-One-Objective_4175.html
September 15, 2008
Process engineers understand how to harness the power of closed-loop multi-variable control in their plants. The evolution of digital control in the chemical process industries (CPI) has provided that power. Yet digital control represents just one facet of optimization and improvement within operations. With increased digitization, the universes of process control and information technology (IT) are...
http://www.che.com/software_automation_and_control/information_technology/enterprise_resource_planning/The-Path-to-the-Perfect-Plant_4170.html
August 15, 2008
As fuel prices continue to rise, energy management is everyone’s business Market trends suggest that the demand for energy resources will rise dramatically over the next 25 years with the global demand for all energy sources forecast to grow by 57% and the U.S. demand for all types of energy expected to increase by 31% (see Figure 1). By 2030, it is expected that 56% of the world’s energy use...
http://www.che.com/software_automation_and_control/information_technology/asset_mgmt/Cover-Story-Making-Energy-Efficiency-Pay_4090.html
August 15, 2008
Corrosion is a cannibalistic force that usually attacks chemical process equipment from the inside out. That must be why it is often referred to as a hidden cost, because the economic impact of corrosion is becoming impossible to overlook. As Russell D. Kane, director of corrosion services for Honeywell Process Solutions (Phoenix, Ariz.; www.honeywell.com) points out, the price of corrosion reveal itself...
http://www.che.com/software_automation_and_control/information_technology/asset_mgmt/Editors-Page-Cutting-Corrosion-Costs_4100.html
August 15, 2008
The continuing growth in the importance of chemical processing, including oil-and-gas processing, increases the need to understand prediction methods for chemical properties and chatacteristics and the impact that these properties have on unit operations, process simulation and design. A variety of mathematical relationships have been developed to predict chemical compound characteristics. Though some of...
http://www.che.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Engineering-Practice-Predicting-Physical-Properties-of-Hydrocarbon-Compounds_4089.html
July 15, 2008
BASF IT Services (Ludwigshafen, Germany; edlinks.che.com/7374-533) has developed a voice-activated IT system that can be used by those involved in hazard-containment. The application was pilot tested together with BASF SE’s fire department, as part of the...
http://www.che.com/software_automation_and_control/information_technology/Chementator-Speech-technology-for-the-CPI_4027.html
July 15, 2008
Exactly three years ago, in the July 2005 issue, this page began with a reference to a perfect storm, whereby then-record-high oil prices of $60/bbl and a relief in capital costs were expected to get the chemical process industries (CPI) back on the building track. I doubt that anyone envisioned, however, the magnitude in the capital-project surge that would indeed ensue or that those "record" oil prices...
http://www.che.com/software_automation_and_control/information_technology/project_mgmt/Editors-Page-Surviving-the-Surge_3998.html
June 15, 2008
An automated spreadsheet method can quickly help minimize fresh hydrogen consumption while maximizing hydrogen recovery and reuse in petroleum refineries and petrochemical complexes In petroleum refineries and petrochemical complexes, there are many hydrogen consumers, such as hydrotreaters, hydrocrackers, isomerization units and lubricant plants. There are also hydrogen producers, such as hydrogen plants...
http://www.che.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Engineering-Practice-Hydrogen-Pinch-Analysis-Made-Easy_3972.html
May 15, 2008
  Effective use of capital in the ownership and management of manufacturing assets is critical to the financial performance of companies in the chemical process industries (CPI). Many of these companies use benchmarking in compliance with applicable laws and antitrust regulations to compare, identify, and adopt industry best practices that drive the capital effectiveness of their project development...
http://www.che.com/software_automation_and_control/information_technology/project_mgmt/Benchmarking-for-Success_3865.html
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