sludge draining Articles

  • Case study - oil removal from oil water separator

    Customer: Food Processor; forming and precooking prepared food items for the fast food industry.  Plant located in Upstate New York. The Problem: Customer operates three shifts of production.  The third shift is responsible for washing and sanitizing all food process equipment and surrounding areas.  Oil and grease from sausage and ...


    By SkimTech Inc.

  • Heavy Industry Plant Wastewater Treatment, Recovery ang Recycle Using Three Membrane Configurations in Combination with Aerobic Treatment

    ABSTRACTIn the late 1990’s a major diesel engine manufacturing plant began evaluation of wastewater treatment technologies that would improve the quality of wastewater discharge, would produce treated effluent of reduced oil and grease, BOD and COD load suitable as feed to their sanitary waste biological treatment plant, and eliminate the costs and risks associated ...

  • Case Study: Farm pond sludge and algae remediation

    Problem A 1 ½ acre farm pond located in southeastern Wisconsin was experiencing a severe algae bloom due to high levels of fertilizer runoff from the surrounding farm fields located on the north and east sides of the pond. Farm field runoff drains into the north end of the pond via a 4-inch drainpipe. The pond is further fertilized by the year round population of 6-8 resident ducks and by ...


    By Avir Environmental LLC

  • Reducing Routine Maintenance Costs of Engine Generator Sets with New Portable Oil Analysis Tools - Case study

    What do a hospital, a treatment plant a police station and a remote mine have in common? They have essential assets requiring uninterruptible power, commonly powered by an engine generator as primary or back up power. Engine generators, often termed "gen sets," combine an electrical generator and an engine. They supply electrical power where normal utility power is not readily available or is ...


    By Spectro Scientific

  • PCB dredging cleanup project begins on Lake Cochituate (USA) case study

    A large ring of yellow buoys floats beside an a LWT 8” Swinging Dragon swinging ladder dredge on the surface of Pegan Cove, marking the area where contractors have started removing sediment contaminated with PCBs, left by an accident at the Soldier Systems Center 30 years ago. The PCBs were found in the section of Lake Cochituate just to the east of Natick Labs. They came from a ...

  • Simple way to reduce costs and increase profit

    Packaged-food producers frequently use and then must discard large batches of cooking oil used in their process. Usually they drain most of the oil directly from equipment, but they must remove residual oil by regularly washing fryers, ovens, conveyors, and other machinery. The oil mixes with the wash water and becomes part of the plants wastewater stream. Having oil in wastewater complicates the ...


    By Oil Skimmers, Inc.

  • Odor Control System Addresses Community’s Complaints

    The Customer: The Water Pollution Control Authority (WPCA) of the City of Bridgeport, Connecticut, operates two wastewater treatment facilities and maintains the city’s sewer system. The Customer’s Needs: After years of operating successfully in the community, the City of Bridgeport’s WPCA developed an odor problem at its East Side ...

  • The Four Seasons of Rainwater Collection – Ideas & Tips for Re-using Rainwater in Summer, Autumn, Winter & Spring

    Rainwater in the summer What’s next for this summer? If you run out of water during a dry spell, it’s the ideal time to inspect and clean your water butt or tank. It’s also the time when you should consider how you use your rainwater harvesting system and ideas you may have for modifying it. Modifying your system at a time when your tank is empty saves you ...


    By Gutter Mate Ltd

  • Replacing brush rotors with AIRE-O2 TRITONS increases flow capacity and reclaimed water availability - Case Study

    Overview In 2012, the Middlebury, Indiana Wastewater Treatment Plant (WWTP) was faced with aging brush rotors and higher loads in their oxidation ditch system. When Mick Reese was hired as Plant Superintendent, the upgrade design was about 90% complete. The full system upgrade included adding an outer ring to the existing oxidation oval, construction of a new clarifier, controls ...

  • Concrete Mixer Lorry Instructions and Precautions

    1. The concrete mixer lorry system description Mixing drum: The type of mixing drum used in this model is a common form of construction. The mixing drum has a pear-shaped structure. The washing water and the mixing water added as needed during the transportation are injected into the cylinder from the inlet of the mixing drum head. Transmission system: The mixing drum is driven by an ...

  • Odor control system addresses community’s complaints - case study

    The Customer: The Water Pollution Control Authority (WPCA) of the City of Bridgeport, Connecticut, operates two wastewater treatment facilities and maintains the city’s sewer system. The Customer’s Needs: After years of operating successfully in the community, the City of Bridgeport’s WPCA developed an odor problem at its East ...

  • Blending microbes demands gentle touch

    Environmental-restoration product manufacturer requires fast, uniform, gentle blending of powdered microbes, enzymes and nutrients The microbial formulations that United-Tech, Inc. produces are used to break down or detoxify a broad array of complex, often-toxic organic compounds, greasy spills and other contaminants in a variety of ...

  • Membrex Membrane Bioreactor - Croisières AML, QC, Canada

    Customer: Croisières AML Croisières AML is the most important cruise-expedition company in Canada. With a fleet of 18 boats located in 8 different ports in the province, near 650 employees welcome 500,000 passengers every year. In order to obtain from Transport Canada all the certifications and permits that are needed, each of their ships must meet very specific ...


    By Premier Tech Aqua

  • Acid mine drainage treatment

    Acid mine/rock drainage is a rampant problem in the world today. The above photo depicts acid drainage at an abandoned mine in the Yukon Territory of northwest Canada. This mine shares a similar history to thousands of other mines throughout the world. It was in operation for six short years in the 1950’s, producing gold ore. Its profitability eventually failed and it was abandoned. In the ...


    By WesTech Engineering, Inc.

  • New technology for sludge management reduces waste to landfill by 80%

    The first batch of results from a new sludge management and waste reduction system at Severn Trent's Coleshill Sewage Treatment Works in Birmingham, England show a consistent 80% reduction in waste to landfill volumes. The DMax system has specifically been developed by CDE Ireland Ltd to process a variety of wastes as detailed below. This list is not exhaustive and represents the material for ...


    By CDEnviro

  • Mixing To Enhance Facultative Wastewater Lagoon Treatment

    SolarBee® & GridBee® Are Leading The Way In most lagoons, sunlight causes a hard stratification at 12 to 18 inches of depth.  The top water is warmer and thick algae populations are producing supersaturated dissolved oxygen (DO).  The DO gasses off at the surface and is not readily available deeper in the pond for use by BOD-reducing bacteria. Meanwhile new ...


    By Medora Corporation

  • Petroleum Refining 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

  • Wastewater Metals Removal

    Industrial Wastewater Treatment Success Stories Wastewater Treatment Metals Removal Ton Nerve Gas Agent Container Rinse Waters ...


    By Integrated Engineers Inc.

  • Leadville Mine Drainage Tunnel Wastewater Treatment

    Bureau of Reclamation"s Drainage Tunnel Dewatering LMDT Treatment Plant Liquid/Solid Separation System for Mine Drainage Tunnel The Reclamation Projects Authorization and Adjustment Act of 1992 was amended in September of 2009 to enact a provision that ...


    By Integrated Engineers Inc.

  • Wastewater-Primary Treatment

    Primary Treatment is defined as a wastewater treatment process that takes place in a rectangular or circular tank and allows those substances in wastewater that readily settle or float to be separated from the water being treated. This process achieves solids separation. The solids readily available to settle to achieve sedimentation will do so in a settling tank referred as a clarifier. On the ...

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