air bag filter Articles

  • James river treatment plant meets odor control commitments with help from GTI covers

    The James River Treatment Plant is one of nine major treatment plants operated by the Hampton Roads Sanitation District (HRSD). The James River Treatment Plant is bordered on one side by the James River, and by houses and a park on the other. Although the James River Treatment Plant had installed odor control systems to capture and treat foul air from parts of the plant, its conventional aeration ...

  • High-Tech Filters

    The current economic situation of the cement industry creates sensitivity regarding off-times and process stability. More stringent air-pollution laws, especially when using waste-derived fuels, are drawing more attention to the off-gas cleaning facilities, usually bag filters. This article does not deal with electrostatic precipitators - as even they have well known disadvantages. By using more ...


    By Evonik Fibres GmbH

  • Phosphate Fertilizer Plants Industry - Pollution Prevention Guidelines

    Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum ...


    By The World Bank

  • Advanced, High Efficiency and Absolute-Rated Polypropylene Depth Filters

    For manufacturers seeking greater dirt- holding capacity and longer service life, Shelco Filters announces the introduction of its new PDA and PDH Series Polypropylene Depth Filters. These filters were developed for critical applications requiring absolute (99.9%) or high retention (90%) efficiencies in an economical, melt-blown depth filter cartridge. Each cartridge is ...


    By Shelco Filters

  • Air filtration applications for membranes

    Given their unique performance attributes membranes are finding use in a growing number of high efficiency air filtration applications. One example is in respirators and personal protective equipment. Applications where intense physical demands and risk of exposure to harmful contaminants are present demand the high efficiency / low pressure drop combination of expanded polytetrafluoroethylene ...

  • Modelling anaerobic digestion of concentrated black water and faecal matter in accumulation system

    A dynamic mathematical model based on anaerobic digestion model no. 1 (ADM1) was developed for accumulation (AC) system treating concentrated black water and faecal matter at different temperatures. The AC system was investigated for the treatment of waste(water) produced from the following systems: vacuum toilet for black water (VBW), vacuum toilet for faeces with urine separation (VF), dry ...


    By IWA Publishing

  • Particles and alkaline compounds - Case Study

    Example: Refining of bauxite Similar tasks: Metallurgy The production of aluminium oxide during the Bayer process - as a raw material for the aluminium industry - is done by refining the bauxite with sodium hydroxide solution. For better economic efficiency, the sodium hydroxide re-circulates in a circular pattern. Part of the highly contaminated sodium hydroxide is ...

  • Dosing and mixing of powdered activated carbon for flue gas applications

    Subject: Powdered activated carbon (PAC) is dosed in dry powder form into flue gas for the removal of dioxins, furanes, mercury and other heavy metals from flue gases. Gericke supplies complete solutions for the handling of bulk solids. These complete installations are characterized by their clean, accurate, trouble- and dustfree operation. Application: Furnaces, incinerators, sinter ...


    By Gericke

  • Ceresco Dam Case Study

    Global was contracted by Terra Contracting Services, LLC to serve as Water Treatment Specialists in response to the 2010 Enbridge Oil Spill along the Kalamazoo River. An energy pipeline rupture caused 877,000 gallons of heavy crude oil to spill into Talmadge Creek in Calhoun County, Michigan, which flows into the Kalamazoo River. Global engineered a processing plant for material and slurry ...


    By Global Treatment Solutions

  • GM-Delphi: Whirl / Wet Combines High Efficiency Wet Dust Collection with Low Maintenance and Operating Costs

    Tri-Mer® dust collection technology has once again been selected by GM-Delphi. Four units were selected as replacements for dry collectors. Each unit serves four grinding (or shot blasting) stations. Capacities range from 425 to 52,500 cubic ft./minute. The units will accommodate very heavy loadings under continuous use, and allow regular maintenance without interrupting production. Equally ...

  • Cysteine synthesis in Scorpiurum circinatum as a suitable biomarker in air pollution monitoring

    Heavy metals enter ecosystems by both natural and anthropogenic processes. An excess of metals in the environment damages plant metabolism, leading to oxidative stress in the cell. Most metal ions present in the cell are bound to low molecular mass ligands. The major types of S-containing ligands involved in metal binding are derived from cysteine. The authors show, for the first time in ...


    By Inderscience Publishers

  • What is the best way to do trace metal sampling?

    All samplers contaminate or distort in some way. • Plastics may leach metals from ultraviolet inhibitors, metal-organic plasticizers, (rarely) metal catalysts. • Teflon has a rough porous surface into which ions, fine charged particles, and very fine particles may become attached. Errors may occur in your first sample due to these trapped trace elements. • ...

  • Equivalence of Air and Water Permeability Tests in Evaluating Engineering Fabrics

    Permeability characteristics of civil engineering filter fabrics are currently evaluated by three types of tests: air permeability and falling-head and constant-head water permeability. Test procedures for the falling-head and constant-head water permeability tests are discussed, and results from these tests are correlated to air permeability results for filter fabrics. Several commercially ...


    By ASTM International

  • Machine shop for oil and gas services provider wins when the chips are down

    Chip Filtering Keeps Machine Shop Coolant Clean Since 1976, Facility Engineer Jay Wilson has handled the HVAC, electrical, and other operational facility needs for a key Texas-based plant within the FMC Technologies, Inc. (FMCTI) family. This leading global provider of technology solutions for the energy industry and other industrial markets was twice named as the Most Admired Oil and Gas ...


    By Abanaki Corporation

  • The Aerox®-Microtester …A unique tool!

    The smallest version of the Aerox cold plasma injection technology fits in a suitcase.This so called Aerox®-Microtester offers a unique test device to be used by the Aerox-Sales Team to demonstrate the customers the working of the Aerox®-Technology on-site. The demonstration can be carried out within two hours. All what is needed is the smell and an internal odour panel using their noses. ...


    By Aerox B.V.

  • Design, Construction, Installation, and Operation of a Compact Bio-Oxidation System to Manage Odors at the City of Wilsonville WWTP

    ABSTRACTThe 5 mgd Wilsonville WWTP was experiencing odor complaints from the adjacent residential neighborhood. An existing in-ground, bark and wood-chip biofilter was not performing well. In December 2004, the City of Wilsonville contacted BioReaction Industries (BRI) requesting the design of a bio-oxidation system with guaranteed performance criteria. The project required an understanding of ...

  • Phoenix Technologies - Green Machine solutions case study

    Problem Phoenix Technologies of  Bowling Green, OH  is a leading PET plastic recycler who was spending approximately $120,000 annually on replacement air filters. The Solution Phoenix sent us filters for testing and were satisfied that the Green Machine will be a perfect solution to dramatically lowering replacement filter ...


    By Diversitech

  • Rice straw report on shredding and briquetting tests case study

    Date: 29.06.2011 Place: ASKET, Poznañ Tested material: rice straw from Egypt Technology: briquetting set BIOMASSER® SOLO-SET: shredder RK 7,5kW, screen 15 mm, standard blades briquetting press BIOMASSER® SOLO type BS06. Shredding Rice straw ...


    By ASKET

  • Composting case study: Kurtz Bros tackles yard waste contamination

    Kurtz bros., INc. (Columbus, OH) supplies both consumers and landscape contractors with high-quality mulch, compost, soil amendments and topsoil. The company operates several organic recycling facilities throughout the state of Ohio spanning from Columbus (the state’s largest organic recycling facility) to Cleveland. Its local yard waste facilities accept everything from leaves and grass ...


    By Waste Advantage Magazine

  • Rotary Kiln Incineration Plant - Case Study

    The R1200 plant was installed in the early 00’s in Macau. The fully integrated system boasts a burn rate if 1200kg per hour and accepts a variety of different waste streams that include, clinical waste, pharmaceutical waste, liquid waste that includes solvents, waste oil, shredded tyres and well as some livestock as large as horses. The rotary kilns incineration principle is defined by one ...

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