Process Engineering White Papers

21-40 of 88 < first | | | last >
  • Tips On Controlling Dissolved Oxygen in a Wastewater Treatment Plant

    Breakdown of organic wastes entering a wastewater treatment plant is accomplished by using a biomass or blend of beneficial microscopic organisms, bacteria, and solids. This converts the nonsettleable solids (dissolved and colloidal matter) into settleable solids, carbon dioxide, water, and energy. This paper reviews the most common stages for measuring and controlling dissolved oxygen in a wastewater treatment plant.

    Hach
    05/13/2014
  • HACH BioTector 3500c Analyzer For TOC, TC, TIC and VOC Analysis

    In recent years, TOC analysis has become accepted in the industry as the standard method and the only reliable online method used to determine contamination in waters, to control processes, to prevent product losses and to minimize waste. It is especially important to monitor this parameter in applications such as condensate return water, boiler/feed water, etc. In boiler/feed water and in industrial steam generating systems, carbonic acid corrosion of condensate lines is often a serious problem. Depending on the application type, analysis of only one parameter (e.g., TC) is generally not sufficient to make any useful process decisions. Multiple-parameter analysis (TOC, TC, TIC, VOC etc.), as carried out in the Hach BioTector B3500c analyzer, is proven to be more useful and always superior to single-parameter analysis in the industry.

    Hach
    03/18/2014
  • Chemical Processing’s Flow eHandbook: Fend Off Flow Issues

    Chemical processors continually strive to find technologies and solutions for improving flow. Issues related to physical properties, process parameters, electronic features and interconnections can all affect the flow of liquids and gases. In this Chemical Processing Flow eHandbook, we take a look at what it take a look at several different flow challenges and considerations to overcome these challenges including:
     

    • Split flow - ensuring proper control of parallel flow paths demands care
    • Positive displacement pumps  - how some units offer advantages over centrifugal pumps in some services
    • How to increase process availability - using Coriolis mass flowmeters provides reliable indication of gas entrainment
    • More!

     
    Find out how to master flow challenges. Download your copy of this Chemical Processing Flow eHandbook now.

    01/28/2014
  • Chemical Processing Special Report: Secure plan(t)

    In the decade before Stuxnet attacked process control systems in Iran, there were just five known supervisory control and data acquisition (SCADA) vulnerabilities for all control systems in the world, according to the U.S. Department of Homeland Security’s Industrial Control Systems Cyber Emergency Response Team (ICS-CERT). In 2011, the year after Stuxnet, that vulnerability count jumped to more than 215. Last year, it reached 248 (Figure 1). No surprise then that Chemical makers are increasingly focusing on protecting their process control systems from intrusion both from the inside and outside. In this Chemical Processing Special Report: Secure plan(t), we take a look at:
    How to better protect your control system - “Defense in depth” is crucial, and new and maturing technologies may help
    Cyber Security Challenges – learn about countermeasures to protect control systems
    Case Study: A vulnerability assessment reveals critical gaps in the security of a natural gas pipeline
    How to mitigate security risks in legacy process control systems  - several steps can help protect against threats and extend the life of legacy equipment
     
    Learn how to secure your process control systems – and your plant. Download your copy of this Chemical Processing Special Report: Secure plan(t) now.

    12/17/2013
  • Know Your TCO: A look at Medium Voltage VFDs

    Medium voltage VFDs are high cost, high consideration assets that greatly improve process control and efficiency in manufacturing facilities. It is vital that you and your company understand the TCO of this asset. Download the white paper for more information.

    Siemens
    10/29/2013
  • Chemical Processing’s Flow eHandbook: Master Flow Challenges

    Issues related to physical properties, process parameters, electronic features and interconnections can all affect the flow of liquids and gases. Often working around the clock to process, transfer, and store sometimes hazardous and corrosive chemicals, processors must tackle issues related to physical properties and process parameters. In this Chemical Processing Flow eHandbook, we take a look at what it takes for chemical processors to master flow challenges for several types of materials with vastly different physical properties including:
    • How to increase process availability - coriolis mass flow meters provide reliable indication of gas entrainment
    • Overcoming the challenges of changing gas composition - new technology addresses need for more accurate and efficient biogas measuring
    • How to ensure proper control of parallel flow paths demands care
    • Case Study: Speed Pipe Installation - pipe-joining system eliminates need to weld or thread connections
    • More!
    Find out how to master flow challenges. Download your copy of this Chemical Processing Flow eHandbook now.

    10/16/2013
  • Five Keys to Avoiding Ethylene Valve Failures

    This concise, compelling overview of best practices in purchasing and maintaining ethylene valve packages is an essential read for industry professionals. The white paper will tell you how to: 1) Select the right seats and seals; 2) Select the right coating materials; 3) Know the quality of the valves you're buying; 4) Find a trusted single resource for your valve package purchases; 5) Keep up with required maintenance.

    Metso
    10/15/2013
  • Special Report: Making the Most of Migration

    Perhaps the most critical challenge facing the automation industry is that of aging control systems at or near the end of their product lifecycles. A legacy control system can suffer from technical, functional or supply obsolescence. With a well-planned and executed control system migration, however, plants can improve availability and reliability, while increasing production flexibility. In this Chemical Processing Special Report: Making the Most of Migration, we take a look at: Obsolescence planning – addressing concerns and planning for a successful evolution strategy; Restoration Possibilities – how new tools and innovative methods support and breath new life into aging distributed control systems; DCS Migration; More! Download your copy of this Chemical Processing Special Report: Making the Most of Migration now!

    08/27/2013
  • Chemical Processing’s Flow eHandbook: Effective Flow Management

    Chemical processors continually strive to find technologies and solutions for improving system performance and plant uptime. Often working around the clock to process, transfer, and store sometimes hazardous and corrosive chemicals, processors must tackle issues related to physical properties and process parameters. In this Chemical Processing Flow eHandbook, we take a look at what it takes for chemical processors to achieve effective flow management including:

    • Streamlining processes – how removing complexities that creep in over time can enhance operations
    • Orifice plates – when insufficient flow conditioning undermines measurement accuracy
    • CPVC for Chlor-Alkali Applications – why chlorinated polyvinyl chloride offers many advantages over other materials

    Understand the many facets of flow. Download your copy of this Chemical Processing Flow eHandbook now.

    07/22/2013
  • Sight Flow Indicators Handbook

    L.J. Star’s new 13-page engineering handbook covers the selection and application of sight flow indicators in chemical and pharmaceutical applications. There are many types of sight flow indicators, and the choice of which type is best for a particular application and process system is discussed in detail. A handy reference for experienced engineers and a useful guide for those new to sight flow indicators, it offers a full overview of sight flow indicators, covering design, materials, types of indication, types of glass, accessories, plus installation and maintenance tips.

    05/14/2013
  • Chemical Processing’s Flow eHandbook: The Many Facets of Flow

    Issues related to physical properties, process parameters, electronic features and interconnections can all affect the flow of liquids and gases. Chemical Processors know that many factors such as flow rate, material temperature and liquid viscosity can effect how easily, or difficult it is to process flow. In this Chemical Processing Powder eHandbook, we take a look at technologies and strategies for managing flow including: Properly positioning interlock valves - the obvious location may not be the most cost effective How to pick the proper centrifugal pump - the impact of startup conditions and prospective operating points Five important factors for storage tanks and how to determine the right tank for your needs Variable area meters – factors to consider when selecting this device for measuring flow Coriolis flow meters – understand how a straight-tube design provides several advantages for a varnish production application Understand the many facets of flow. Download your copy of this Chemical Processing Flow eHandbook now.

    04/15/2013
  • On-Line Instrumentation Helps Lower DAF System Costs

    Many industrial plants use dissolved air flotation to remove fats, oils and grease, and suspended solids from wastewater. Chemical additions are often kept higher than necessary to account for variations in influent water quality that are characteristic of industrial facilities. Continuous monitor

    Hach
    04/02/2013
  • Chemical Processing Special Report: Jacketed Heating

    Reactor temperature control typically is very important to product quality, production rate and operating costs whether a processor is employing continuous or batch reactors. And with many process plants currently using steam or hot water to heat jacketed devices such as tanks, kettles, dryers, reactors, glass lined vessels, or similar adaptations such as coiled  tubing placed inside or outside tanks or vessels – much emphasis is placed on achieving optimized control of these processes. In this Chemical Processing Special Report: Jacketed Heating we take a look at:

    • Improving Batch Reactor temperature control - Understand the likely causes and fixes for common problems in reaching set points
    • Rethinking Reactor temperature control - Cascade strategy offers simplicity and fast response
    • Keeping cool when designing Batch Reactors - in designing such a unit, focus on effective temperature control to achieve optimum performance
    • Consider Hot Water for Jacketed Heating - Hot water offers significant advantages over traditional steam-heated systems.

    Download your copy of this Chemical Processing Special Report: Jacketed Heating now!

    Pick Heaters
    03/19/2013
  • Chemical Processing Flow eHandbook: Best Practices for Flow

    The purpose of installing a flowmeter system is to accurately measure flow in a reliable manner. Issues related to physical properties, process parameters, electronic features, interconnections can all affect the flowmeter performance. This Chemical Processing eHandbook takes a look at technologies and solutions affecting flow as well as the impact of specific regulations on flowmeter systems including:

    • Specifying the right slurry seal – understanding dual-seal and water-management options
    • Ground EMFs with Virtual Reference - New grounding method eases electromagnetic flowmeter installation and minimizes costs
    • Determine Boiler Size Using a Flowmeter - An inline vortex meter reveals the proper steam usage, resulting in significant savings and improved energy efficiency.

    10/30/2012
  • No More Risky Business With Virtual Patching

    Patching process control system software to remove security vulnerabilities is fraught with risk. System issues can be the result of installing a patch, but a system is also vulnerable without patching. Fortunately, virtual patching can improve the process and raise the system’s security at the same time.

    Honeywell
    09/21/2012
  • No More Tears for Control System Migration

    While upgrading process control systems is vital to maintaining a plant’s performance, the migration process often brings confusion and frustration for customers. See how Honeywell keeps control systems running at the best possible performance throughout the migration process and into the future.

    Honeywell
    08/29/2012
  • PRALCA’s Path to Modernization

    With an aging installed legacy Distributed Control System (DCS), the PRALCA petrochemical plant needed advanced control strategies to improve plant efficiency. Find out how a comprehensive migration solution extended the life of plant equipment and provided a cost-effective path forward to the latest automation technology.

    Honeywell
    08/29/2012
  • Expanding Production at FMC Lithium

    FMC Minera del Altiplano, a leader in the mining of lithium ores and brines, wanted to automate its production processes but lacked sufficient capacity to keep pace with continuous operational improvements. See how FMC expanded processing capacity while minimizing risks to critical plant information.

    Honeywell
    08/29/2012
  • Chemical Processing Special Report: Migration

    "Migration could be the biggest single issue facing automation end-users today," stresses a report from the ARC Advisory Group. ARC estimates that installed automation systems worth about $65 billion are reaching the end of their useful lives. Distributed control systems (DCSs) more than 20 years old will need replacement within the next ten years. In this Chemical Processing Special Report: Migration we cover:
    • Updating process control systems – understanding the challenges and missteps to avoid
    • Case Study: FMC Corporation – we look at the production processes, operational challenges and automated solutions this diversified global chemical company chose when migrating their DCS
    • Case Study: PRALCA – control systems migration for a petrochemicals facility
    • The business case for control systems migration - strategies for protecting investments, improving business results and reducing risks

    Honeywell
    08/27/2012
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