Archives :: Software, Automation & Control :: Information technology

Displaying 241 - 260 of 290 stories.
November 15, 2007
Liquid density is important to engineers throughout the chemical process industries (CPI). Knowledge of liquid density is required in the design of storage vessels. In hazard analysis, knowledge of liquid density is required in the design of the relief valves to protect the system. In vapor-liquid operations, such as distillation, knowledge of liquid density is required to determine column diameter. For...
November 15, 2007
Although some CPI management may not realize it, PLCs (programmable logic controllers) are the brains behind many operations in the chemical process industries (CPI). A malfunctioning PLC can cause lines, plants and even operations such as city bridges and water stations to shut down. Thousands to millions of dollars could be lost in association with one PLC that maintenance personnel may not even know...
November 15, 2007
To ensure the health and safety of workers, the U.S. Occupational Safety and Health Administration (OSHA) adopted the Hazard Communication Standard (HCS) in 1983. Initially designed to protect workers in the manufacturing sector, the HCS was expanded in 1987 to cover all industries where workers could be exposed to hazardous chemicals. This article gives an overview of the OSHA requirements for material...
November 15, 2007
Make a leak-free seal, even for irregular flanges The proprietary Multi-Swell gasket material (photo) is said to be the world’s first self-loading, general-service gasket. The material creates its own load when it comes into contact with oil or water, which virtually eliminates the most common cause of gasket failure — insufficient load. The material performs equally well in water or oil, does...
October 1, 2007
Click here for full pdf version of this article - includes all graphs, charts, tables, and author information The use of safety standards, particularly IEC 61508 [1] and IEC 61511 [2], has increased rapidly in the past several years. Along with the adoption of these standards has come an increase in the need for accurate reliability data for devices used in safety instrumented systems (SIS), both...
September 1, 2007
    ISA Expo, the largest automation and control exhibition in North America, will return to Houston’s Reliant Center on October 2–4. The Instrumentation, Systems and Automation Society (ISA, Research Triangle Park, N.C.) hosts this exhibition of automation and control solution providers, featuring the latest products and services in the area. Over 500 exhibitors will be featured at...
August 1, 2007
    Gone are the days of one-size-fits-all engineering software packages. Today, solution providers offer versions with improved integration for advanced data sharing and simplified user interfaces with the ability to multitask between the design house and the plant floor, bringing the power of engineering software to everyone from trained experts to software novices who just want to run a few...
August 1, 2007
    In multicomponent systems, equation-of-state (EOS) methods generally do a good job of determining vapor-phase properties. But accurate determination of properties for the liquid phase is much more difficult, especially when the liquid contains dissimilar molecules, polar molecules such as alcohols and glycols, or acid gasses such as H2S and CO2.   In this article, a multicomponent system...
August 1, 2007
Computer models that simulate the operation of jet engines with alternative fuels will be developed by Reaction Design (San Diego, Calif.; under a two-year contract with the National Aeronautics and Space Administration (NASA; Glenn Research Center). The...
June 1, 2007
    Process performance, quality and reliability depend directly on how a plant performs in real time. Yet many plants track and respond only to longterm averages. By measuring and responding to realtime measures, you can ensure:     Quick recovery from process upsets   Fast change-over to another product   Shortened batch-cycle times   Measuring and responding to the...
June 1, 2007
NASA Goddard Space Flight Center (Greenbelt, Md.; invites companies to license a new non-destructive test (NDT) method for evaluating the degree of cure, variations in chemical composition and defect states in resin-based composites and metal oxides — data that is currently...
May 1, 2007
Business software applications, such as Enterprise Resource Planning (ERP) — the broad set of activities that are supported by application software to help companies manage business activities, including product planning, parts purchasing, maintaining inventories, interacting with suppliers, providing customer service and tracking orders — have all but saturated the large end of companies...
May 1, 2007
Business software applications, such as Enterprise Resource Planning (ERP) — the broad set of activities that are supported by application software to help companies manage business activities, including product planning, parts purchasing, maintaining inventories, interacting with suppliers, providing customer service and tracking orders — have all but saturated the large end of companies...
May 1, 2007
    Spreadsheets have been around almost as long as personal computers. While early versions were clumsy and limited in scope, today’s spreadsheet programs can do almost anything the user wants them to do. These broadened capabilities are made easier through the use of internal (built-in) functions, add-in programs and the use of macro programming. In this article, we explore how...
May 1, 2007
    A detailed follow up of the cations present in the wastewater of the Monsanto Europe site in Antwerp, Belgium, has led to an increased understanding of changing wastewater treatment plant performance. The chemical process industries' (CPI) other wastewater treatment plants that handle continuously changing mixtures of different manufacturing plant effluents should also consider routine...
April 1, 2007
It's a simple matter of fact: a chemical process plant operates by the products and services of numerous - and, unavoidably, competing - vendors. Since the resulting compatibility issues only hamper productivity, vendors, EPC firms and owner/operators alike tried to put their differences aside to address interoperability, at this year's DaratechPlant (Houston; January 29-31; Standardization...
March 1, 2007
Until now, creating a set of "as-built" plant drawings meant either laser-scanning the outline of an entire piping system, or measuring all the components manually. By paring Leica Geosystem's in-field-to-model laser technology with Coade's CADWorx Plant Design Suite, Coade, Inc. (Houston, Tex.; has reduced the time required by more than 50%, says Vornel Walker, Coade's manager...
March 1, 2007
Using Interactive Supercomputing Inc.'s (Waltham, Mass; Star-P software, chemists from MIT (Cambridge, Mass.; and Oakwood College (Huntsville, Ala.) have developed a new method for performing calculating thermochemical properties derived from first principles (ab initio). Up to now, approximations and classical mechanics treatment had to be...
March 1, 2007
Aspen Technology, Inc. (Cambridge, Mass., announced a milestone accomplishment as a result of combining the company's thermophysical and thermochemical property data sets with those maintained by the U.S. National Institute of Standards and Technology (NIST; Gaithersburg, Md.;
March 1, 2007
P&ID's are often generated using Autodesk, Inc.'s (San Rafael, Calif.; AutoCAD software platform and user generated drawing blocks. To better...
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