heat-welded filter bag Articles

  • Beta ratios explained and applied to liquid filter selection

    Liquid Filter Beta Ratios: Absolute rated liquid filter selection is tied to the media micron rating, materials of construction, construction design, and particulate removal efficiency filter factor known as its Beta Ratio (Figures 1, and 2). Consider that Engineering and Purchasing usually see absolute rated liquid filter efficiencies from vendor data sheets and quotes listed at 99%, ...

  • Removing Heavy Iron Deposits Improves Effluent Output and Decreases Costs Case Study

    The Problem At a local manufacturing facility, ground water pumped with #6 oil was heavily impacted with iron deposits. Heated water and product was being pumped into the existing oil water separator, but the iron fouling the unit and the downstream carbon filter and dry well limited flow. Frequent carbon replacement was required and was very costly. The ...


    By Hydro Quip, Inc. (HQI)

  • Noise Monitors and Meters

    Sound level meters Description and ApplicationsThe sound level meter is a lightweight instrument for the measurement of sound pressure level (SPL) in decibels. All ANSI-approved meters meet minimum requirements that include an A-weighted network, a slow-response meter characteristic, and a fully graduated scale with measurements ranging from 80 to 130 dBA. The Type II meter is most frequently ...

  • Cleaner Production in Confectionery Manufacturing: Cadbury Schweppes

    Cadbury Schweppes Pty Ltd has implemented a large number of cleaner production initiatives at it's Ringwood Confectionery plant in Victoria. The annual savings from reduced raw material and waste disposal costs amount to $780,000. Background Cadbury Schweppes Pty Ltd's plant in Ringwood, Victoria produces a range of confectionery products, including Easter eggs, chocolate bars ...


  • Waste Gas in Metal Recycling: Hydrocarbons and carbon monoxide - Case Study

    Example: Aluminium recycling Similar tasks: Recycling of copper, lead, cink The waste gas in metal recycling usually contains particles (abraded metal, mineral dust), inorganic, acid substances (HF, HCI, SOx) and dioxins (PCDD/F) as well as a whole range of organic substances (unburned hydrocarbons) and carbon monoxide. Particularly, in the group of unburned ...

  • Difficult Complex Decisions For Coal-fired Power Plant Operators

    Changing fuel prices, government regulations and technology all combine to make decision making difficult for operators and developers of coal-fired power generation facilities around the world. Power plant designers in developing countries face new local environmental regulations plus additional requirements stipulated by lenders such as the World Bank. In the developed world, the regulations ...


    By The McIlvaine Company

  • Are your field soil screening procedures providing you with practical and accurate information?

    Untitled Document Environmental consulting activities frequently require that on-the-spot decisions be made in the field concerning the ...


    By Enviro-Equipment, Inc.

  • Air Monitoring for the Gulf Oil Spill

    Ambient air monitoring is a priority in the ongoing efforts to contain and manage the oil spill from the Deepwater Horizon in the Gulf of Mexico. The following provides information about the kinds of airborne contaminants that are currently being monitored in the Gulf, how they are collected and how they are analyzed. For a given project, a suitable sampling plan – developed by ...


  • Controlling scale deposits in the pulp & paper industry

    The pulp and paper industry is one of the heaviest users of water within the North American industrial economy, requiring on average 54 cubic meters of water per metric ton of finished product.  As water is used in nearly every part of the manufacturing process, accumulation of scale is a phenomenon that can occur in all pulp and paper making processes. This occurs even with the purest water ...

  • EnviroVantage-experts in asbestos abatement

    Asbestos is a group of naturally occurring minerals with long, thin fibrous crystals. It was sometimes referred to as the 'miracle mineral' because of its beneficial properties such as insulation and fire protection. In the U.S., chrysotile has been the type of asbestos used most commonly. Its long fibers are often found in a wide variety of materials such as vinyl floor tiles, mastic, sheetrock, ...


    By EnviroVantage

  • Treating the Symptom and NOT the Cure?

    For years and years, we Americans have been looking for the quick fix.  What can we plug in to solve our problem?  With everything from chemical air fresheners to make our house smell “better” rather than giving the dog a bath or emptying the vacuum bag, to heated vibrating exercise machines that “burn the fat away” while ...

  • Film waste? Don`t take it to the landfill - Case Study

    Recently, True Plastics Recycling, based in Carrollton, Texas, successfully commissioned a new recycling system, consisting of a WEIMA WLK 20 Jumbo single-shaft shredder and a Gamma Meccanica GM 180 recycling system to reuse industrial film. In 2012, Mike Largent, a young entrepreneur, established his own company in Carrollton, North-East of the Texan metropolis Dallas, the center of the US oil ...


    By WEIMA

  • Chemical-Free Treatment of Recirculating Water Using Pulsed-Power

    Untitled Document Regulatory pressures and economic considerations require industry to become cleaner, more efficient, and more environmentally benign. Such operating principles advance not only ...


    By Dolphin WaterCare

  • Proposed boiler MACT sets aggressive emission limits

    On June 4, 2010, U.S. EPA proposed National Emission Standards for Hazardous Air Pollutants (NESHAP) for industrial, commercial, and institutional boilers and process heaters at both major and area sources of hazardous air pollutants (HAP) emissions.  EPA proposed separate rules for units at major sources of HAP emissions (greater than 10 tons per year [tpy] of any single HAP and/or greater ...


    By Trinity Consultants

  • Think! energy and take action!

    Fans of the Purdue Boilermakers will tell you late September in West Lafayette, IN, is football season. Purdue Pete, uniformed in the nostalgic old gold and black, rallies the fans at Ross-Ade Stadium, and the crowd gets energized for another glorious Big Ten Saturday home game. These days, Boilermaker fans aren’t the only ones in West Lafayette getting a late-September energy boost. Less than a ...

  • Talking Trash: The world`s waste management problem

    Trash is a pervasive but unnoticed part of our lives. The great irony of waste management is that even the most efficient and well-run waste collection programs remain out of sight, ignored by the public that they serve. Only with failure does the omnipresence of trash really come to light. Today, many nations face a looming waste management crisis, as their landfills reach capacity and continue ...

  • The Trouble with Asbestos Disposal

    Hailed as a miracle mineral because of its superior fire resistance and tensile strength, asbestos was installed abundantly into our built environment for over 200 years. However, once it was established that this undeniably useful resource was a dangerous carcinogen, Australia and many other countries enacted strict regulations for handling asbestos and asbestos containing material (ACM). There ...


    By ABCOV Companies

  • Souderton looks at viability of investment in sludge dryer

    Despite the day's snowy weather, the Souderton Borough Council met for a brief session March 2 and discussed the newest option for the borough's sludge removal. The borough has been looking for a device to dewater the sludge produced by the in-town treatment facility for nearly two years. Removing the water would allow the borough to apply the sludge to land, which would save on hauling costs. ...


    By Therma-Flite Inc.

  • Mixed MSW composting is steady as she goes

    Two new facilities came on line in 2006, while one ceased operation and a second is shifting to a new technology. Annual survey identifies a total of 14 plants. Part I STEADY-STATE may be the best phrase to describe the status of facilities composting mixed municipal solid waste in the United States. In fact, steady-state may be the best phrase to describe solid waste composting in general since ...


    By BioCycle Magazine

  • Compost in the mix for storm water management

    Bioretention areas, also known as rain gardens, are increasingly being used to capture and treat storm water runoff from impervious surfaces such as roofs, sidewalks and parking lots. These landscaped areas often feature native plants installed in an engineered soil mixture that includes compost. “Bioretention areas or rain gardens are an attractive storm water Best Management Practice (BMP) ...


    By BioCycle Magazine

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