air separation system Articles

  • Dispersion modelling of radioactive pollutants: application of the 'Demokritos' Transport code system for Complex Terrain (DETRACT) to the Hanford Purex scenario

    The DETRACT computational system, consisting of a meteorological processor and a Lagrangian particles atmospheric dispersion model, is applied to the 'Hanford Purex Scenario' – an accidental 3 1/2 days of lasting release of radioactive 131I from the stack of the Hanford (USA) Purex Chemical Separations Plant (2–5 September 1963) – for evaluation purposes. During the release, the source intensity ...


    By Inderscience Publishers

  • The US Navy carrier strike group as a system of systems

    A US Navy carrier strike group (CSG) is an important element of US policy projection through military assets. The CSG is a system of systems (SoS) representing both an organisation of people and a collection of ships, aircraft, and support equipment designed to support US global interests. The CSG is a metasystem composed of a number of separate subsystems (vessels, air wing, and staffs), and it ...


    By Inderscience Publishers

  • Filter backwash water treatment options

    Filtration acts as the final step in the removal of suspended matter and protozoa. The accumulated residue is removed during the backwash process and any subsequent recycling of filter backwash water could potentially re-introduce these contaminants into the main treatment process. By separating the filter backwash water from the main treatment process, factors that could interfere with the ...


    By IWA Publishing

  • Siting and Safe Operation of Liquefied Natural Gas Facilities

    Regulations require facilities to use computer simulations to model potential fire and explosion hazards from accidental liquefied natural gas (LNG) releases. This has required the run of several separate computer models and manual transfer of data among the models, which is a time-consuming process prone to errors. The Code of Federal Regulations (49 CFR 193) defines safety standards for LNG ...

  • Chemical Process Corp - Case Study

    Chemical Process Corp licensed VisionMonitor’s Compliance Intelligence suite of products to use as a web-based environmental Compliance Manager and reporting system for it’s hydrogen, air separation, and chemical production facilities. Through real-time integration of its facilities’ environmental data collection systems, VisionMonitor's Compliance Intelligence system automated Chemical Process ...


    By VisionMonitor Software, LLC

  • Particle monitoring requirements for freeze-dryers

    Introduction Freeze-drying is used to produce the majority of today's dried pharmaceuticals, i.e. those compounds that require reconstitution with water prior to use. Freeze-drying or lyophilization refers to the only manner in which water can be removed from organic substances without damage to the cell structure and subsequent loss of volatile components. The process requires ...


    By Particle Measuring Systems

  • Sustainable Recycling Company-bioFAS MBBR case study

    The Problem: The Sustainable Recycling Company centralized wastewater treatment (CWT) facility located in Connecticut. They process oily wastewater streams from a variety of sources via an integrated treatment process using collection, oil water separation, ultrafiltration, chemical precipitation. The pretreated wastewater is highly loaded with BOD and COD and the ...


    By BioprocessH2O

  • Hydro-NEXRAD: metadata computation and use

    To enable the efficient use of the Hydro-NEXRAD system in hydrologic research, the authors are developing and computing a set of metadata. Vast archives of radar-centric NEXRAD data, the highly variable spatial and temporal characteristics of precipitation events, and the existence of anomalous data complicate the process of selecting subsets of the data for specific investigation. Well-defined, ...


    By IWA Publishing

  • Simple protocols for assessing dissolved air flotation systems: quantification of released air, bubble density and cloud patterns

    Dissolved air flotation (DAF) systems are useful for many water treatment applications. Optimizing a DAF system can be very difficult and complicated due to a multitude of variables that contribute to effective separation. Pressure, temperature, retention time and air mixing affect the ability of the saturator to increase air solubility, while baffle heights, flow rates and recycle ratios affect ...


    By IWA Publishing

  • Universal system for forecasting changes in PM10 and PM2.5 particulate matter air pollution concentration

    We present a system for forecasting the changes in PM 10 and PM 2.5 particulate matter air pollution concentration. The system is based on immissions data from automatic measurement stations of the Voivodship (Regional) Inspectorate for Environmental Protection in Warsaw (Poland) and a numerical forecast of meteorological parameters from the Interdisciplinary Centre for ...


    By Inderscience Publishers

  • Sustainable recycling-bioFLOW case study

    The Problem: The Sustainable Recycling Company is a centralized wastewater treatment (CWT) facility located in Connecticut. They process oily wastewater streams from a variety of sources via an integrated treatment process using collection, oil water separation, ultrafiltration, chemical precipitation. The pretreated wastewater is highly loaded with BOD and COD and the local ...


    By BioprocessH2O

  • Treatment Of High Strength Chemical Industry Wastewater Using Moving Bed Biofilm Reactor (MBBR) and Powdered Activated Carbon (PAC) Technology

    A new Waste Recycling Facility (WRF) was created at the Sasol coal to liquids facility in Secunda, South Africa with a wastewater treatment system that includes equipment to treat the wastewater and storm water through several steps including equalization, oil removal (gravity separation and dissolved air flotation), lime neutralization/metals precipitation, back-neutralization, fixed-film ...

  • Using air instead of water to separate your recycling materials

    Separating recyclables by density is nothing new. For many years, the use of wet tanks to remove heavy materials from lights has been very successful. Unfortunately, the disadvantages of this technology are increasingly apparent. With stringent and increasing environmental regulations, use of water is quickly become a messy proposition. When material enters a wet tank, any contaminant on the ...


    By General Kinematics

  • Extraction of many emission sources in extensive factory premises - Case Study

    Example: Packaging Similar tasks: Coating, Automobile industry, paint production Different production processes lead to decentralised ventilation of emission sources. These decentralised ventilations are consolidated within a central air pollution control system. A producer of plastic, cardboard and composite material packages uses a range of printing units, laminating machines ...

  • Case Study – Food/Beverage Industry / TSS/BOD/FOG reduction

    Challenge A fish meat processing plant wanted to reduce their effluent discharge costs and eliminate chemical cost in primary waste water treatment. Solution Genesis Water Technologies with its local partner provided engineering, and design of a electrocoagulation solution with prescreen and post solids separation that eliminated chemical usage in the primary ...

  • Analytical Solutions for Free-Hydrocarbon Recovery using Skimmer and Dual-Pump Wells

    Accidental release of petroleum hydrocarbons to the subsurface may occur through spills around refineries, leaking pipelines, storage tanks or other sources. If the spill is large, the hydrocarbon liquids may eventually reach a water table and spread laterally in a pancake-like lens. Hydrocarbons that exist as a separate phase are termed light non-aqueous phase liquids (LNAPL). The portion of the ...

  • Indoor Air Analysis - Zigbee

    PPM Technolgy"s new IAQ profile monitor featured as part of the Telegesis ZigBee case ...


    By PPM Technology

  • Trimming the Waste

    With an inefficient wastewater treatment system going unused and escalating sewer surcharges of more than $30000 a month, Alpenrose Dairy had to find a better way to do business. The Portland, Ore.-based processor of milk, ice cream, cottage cheese and sour cream had installed a wastewater treatment system 10 years earlier, but it was retired after several years of high operating costs because ...


    By World Water Works, Inc.

  • Continuous monitoring of polycyclic aromatic hydrocarbons using automatic thermal desorpition-gas chromatography

    Polycyclic Aromatic Hydrocarbons (PAHs) are a group of over 100 different chemicals that are known to be formed typically during incomplete combustion of organic matter at high temperature. Their major sources in the atmosphere include industrial processes, vehicle exhausts, waste incinerations, and domestic heating emissions. Due to their carcinogenic/mutagenic effects. 16 PAHs are currently ...


    By Chromatotec Group

  • How to deal with hazardous waste?

    At present,hazardous waste is a facing an increasingly serious environmental problem .so the mainstream of industrial waste disposal methods: curing landfill, biochemical method, incineration disposal method. Other hazardous waste disposal methods include high temperature steam sterilization, microwave, plasma incineration, pyrolysis incineration, wet air ...


    By Harden Machinery Ltd.

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