gas control Articles

  • Technical and safety practices

    Safety is absolutely paramount in the medical industry, with lives literally at stake if something were o go wrong. Regrettably, this was more than reinforced recently following the tragic news of a death of a newborn at a hospital in Sydney, Australia, after it was mistakenly administered nitrous oxide (N2O) instead of oxygen (O2) in July this ...


    By Geotech

  • 10 Reasons why you should continuously monitor low temperature and liquid chemical sterilants for worker safety

    1. Sterilant chemicals are highly toxic Low temperature and liquid chemical sterilants are designed to kill all microorganisms including resistant spores and if they were not toxic, they would not be effective in sufficiently high concentration to destroy all microbial life including the chemically resistant sporicidal forms of certain ...


    By ChemDAQ, Inc.

  • What are the best companies for Zero Liquid Discharge Equipment and Technology?

    With an increasing push for environmental protection, many industrial facilities and effluent regulators are making decisions that lessen their impact on the environment and human health. Changes and implementations are constantly being discussed and met both nationally and internationally to change the way industrial facilities discharge waste, and it is important to know which companies are the ...


    By SAMCO Technologies, Inc.

  • Biosolids ban struck down

    In 1994, Los Angeles County Sanitation Districts (LACSD) bought a 4,700-acre farm (called Green Acres Farm) in southwest Kern County for the purpose of land applying biosolids from its 11 wastewater treatment plants. LACSD land applied 800 wet tons/day at this site for several years. In 2006, Kern County voters passed Measure E on the ballot with 83 percent approval. This measure banned ...


    By BioCycle Magazine

  • Los Angeles County WRRF Embraces Codigestion

    Technology to produce food waste slurry key to project implementation - and helps generators comply with California organics recycling mandates. The Sanitation Districts’ JWPCP in Carson (CA) treats an average of 280 million gallons/day of wastewater. One of the two anaerobic digestion tanks above has been used for codigestion, with the second serving as the control. Photos ...


    By BioCycle Magazine

  • Following the fuel: How portable biomass energy generation may help rural communities

    The forests that surround many of California’s mountain communities tend to have an abundance of woody biomass and a pressing need for thinning to reduce fire danger. Revenue from selling forest residues to biomass power plants could help to support fuel reduction activities, but in many cases the nearest plant is so far away that hauling costs are prohibitive. The remoteness of such ...


    By All Power Labs

  • Zero Waste Co., Ltd, Bangkok, Thailand - Case Study

    Thailand has a very comprehensive waste management system. Their national disposal plan is organized by the Royal Thai Government, and then distributed among the central government, regional governments, and local governments. Each agency oversees different part of the system. The central government and its ministries set standards and policies and define regulatory regimes. Provincial and ...


    By All Power Labs

  • Controlling acid gas mists

    Gas cleaning New and strict pollution regulations in metallurgical plants worldwide are restricting particulate and acid gas emissions to extremely low levels. Because of that, sulphuric acid plants are being installed to remove and utilise S02 in gases resulting from the roasting of sulphide ores, smelting of ores, and burning or regeneration of spent acid or acid sludge from ...


    By Beltran Technologies, Inc.

  • Greenhouse Gas Emissions Control

    Most of the time, people think about Greenhouse Gas (GHG) emissions with carbon dioxide, which is the most common of the GHGs. While fairly typical, carbon dioxide isn’t the only GHG U.S. Environmental Protection Agency (EPA) regulates.  Since EPA has begun regulating GHG emissions under its Clean Air Act authority, sources of emissions from others may require add-on air pollution ...

  • Taking Control of Gas Engine Issues

    In an effort to gain maximum engine performance and stay within the local exhaust emission limits over a wide range of engine load and ambient conditions, operators at the County Sanitation Districts of Los Angeles County’s Joint Water Pollution Control Plant wastewater treatment plant near downtown Los Angeles have installed Continental Controls Corp. ECV5 ...

  • Advances in gas control technology in the brewery

    The use of nitrogen as a process gas, foam enhancer and flavour modifier has come to the fore over the last 10 years, with dissolved gas specifications becoming more stringent. Increasingly, marketing and consumer requirements for a targeted product identity or image have to be met, not only for taste but, perhaps equally as importantly for the consumer, ...

  • Gas flow control method of recycling gas drilling technology

    Recycling gas drilling is a new drilling technology. The paper based on the theory of gas transient flow, a set of theoretic models of gas flow control at the export of annulus are set up in combinations of the principles of the seepage flow mechanics and the characteristics of recycling gas drilling technique. According to the basic laws which the flowing gas should comply with, the properties ...


    By Inderscience Publishers

  • Gas-assisted injection molding technical control

    The time and pressure of gas injection molding should be strictly controlled. The temperature of the molds should be stritly controlled,so that the cooling of thermoplastic in the cavity can be kept at an appropriate speed,which shall be of avail for the forming of gas cavity.So as a mould maker should be very good at the gas-assisted ...


    By Focare Mould Co.,Ltd.

  • Economic damage control for greenhouse gas emissions

    Future emissions of trace gases are intrinsically linked to economic growth and abatement policies, which in turn, are governed by expectations of greenhouse damages. Trace gas indices that depend upon future emissions can be calculated either on the basis of emissions scenarios, such as those devised by the IPCC, or using optimal control techniques where the trade-off between damages and ...


    By Inderscience Publishers

  • Controlling H2S Emissions from Landfill Gas

    A major US waste handling company operates a large landfill in Florida, and in 1992, when Hurricane Andrew struck southern Florida, the landfill saw a huge increase in the amount of C&D waste. Shortly after this, the levels of H2S started dramatically rising. This company evaluated several technologies for the removal of H2S, which was estimated to be as high as 5000 ppmv, with up to 2-3 tons/ ...


    By Merichem Company

  • Manufactured Gas Plant - Odor and VOC Control

    Products & Equipment Used: AC-645 Long Duration Foam AC-904 Long Duration Foam Pneumatic Foam Unit 400/25 Application Summary: Rusmar Long Duration Foam products have been used at numerous manufactured gas plant facilities. Often, tanks containing coal tar were filled with soil and other debris from the site before being ...


    By Rusmar Inc.

  • Gas Monitoring for Ventilation Control and Energy Management

    The growing demand for underground and enclosed parking and maintenance garages (resulting from limitations on land availability) has increased the awareness and need for proper ventilation and control systems. In addition, increased health and safety programs have only added to the concerns of toxic and combustible gases in confined or enclosed spaces. Historically, ventilation and make-up air ...


    By Arjay Engineering Ltd.

  • Chapter 10: Decentralised control of greenhouse gas emissions: coordination and cooperation

    In Chapter 2, we considered the difficulties of obtaining international cooperation in the control of CO2 emissions. The approach adopted in this chapter assumes there is an ‘empowered’ United Nations, as a principal, that coordinates its members (agents) toward a common goal, which makes this a team-like principal agent structure. We shall show that if at least two countries commit themselves to ...


    By Inderscience Publishers

  • Control valve actuators: their impact on control & variability

    New electric control valve actuators provide significant control and reduced variability benefits over compressed air actuators in a wide range of process applications, resulting in superior control performance, fewer maintenance problems and energy savings. In a process plant, the general function of a control valve is to restrict the opening of the valve so it affects the flow or pressure of ...


    By Rotork

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