sewage acceptance plant Articles

  • Raw material cycle: from chip to briquette to product - Case Study

    Thanks to their briquetting system from RUF Frischhut can redeploy production scrap and melt it again Ludwig Frischhut GmbH and Co. KG have closed the circle on their raw material cycle by utilising a briquetting press from RUF: cast chips produced during the machining of parts for water supply and sewage disposal are pressed to solid briquettes and then melted in the in-house foundry and ...

  • Evolution of the sewage treatment plant model SimpleTreat: Applicability domain and data requirements

    SimpleTreat 3.1 is the sewage treatment plant (STP) model implemented in the EU framework for the environmental risk assessment of chemicals. The model was originally designed for neutral hydrophobic chemicals, while many substances currently under regulatory scrutiny, are ionisable at environmental pH. Although the model has been adapted to describe ionisation (SimpleTreat 3.1), the fate of ...


    By John Wiley & Sons, Ltd.

  • Analysis of Anionic Contamination & General Quality Testing in Water from Sewage Treatment Plants and Industrial Discharge & Effluents by Colorimetry

    Problem The high concentration of Industry, Agriculture and People in and around the United States has changed the “nature” of our environment. There are Toxic Metals coming from various metallurgical processes; Plating, Foundry, Smelting, Milling, etc., which are readily determined by Atomic Absorption Spectroscopy (AAS). Volatile Organics from the many Petrochemical-based operations are ...


    By Buck Scientific Inc

  • Real Time Control of the Sewage System in St Malo

    Saint-Malo is an extremely attractive and popular seaside resort on the north coast of Brittany in France. Covering 1,400 hectares, the local population of 50,000 increases to 120,000 in the tourist season. One of the distinguishing features of this part of the Channel coast is a very high tidal range – 14 meters from low to high, with a potential impact back through the sewer network. Combined ...


    By Innovyze

  • One-year monthly survey of rotavirus, astrovirus and norovirus in three sewage treatment plants (STPs) in Beijing, China and associated health risk assessment

    To evaluate the presence and distribution of the three main viruses (rotavirus, astrovirus, and norovirus) responsible for human acute gastroenteritis in sewerage systems, a one-year study was carried out in Beijing, China. A total of 96 samples of influent and effluents from three sewage treatment plants (STPs) were collected from November 2006 to October 2007. Silica was used to concentrate ...


    By IWA Publishing

  • Wastewater Treatment Plant

    Water is basic to life. It is a precious resource and has become precious commodity now. On going Industrialization, population & urbanization pose pressure on water availability. Utility value of world’s freshwater resources like lakes and rivers are diminishing rapidly due to over exploitation & pollution. Groundwater, an alternative to surface water is also a natural ...


    By Sugam Paryavaran Vikalp

  • Significance of indicator bacteria in a regionalised wastewater treatment plant and receiving waters

    A regional wastewater treatment plant was found to be discharging high concentrations of fecal coliform bacteria in excess of acceptable surface water criteria. An investigation of the sources of those bacteria showed their origins to have been environmental, primarily from a pulp and paper mill. False positive and false negative fecal coliforms were also found and enumerated. These bacteria were ...


    By Inderscience Publishers

  • Case study - Wastewater - Upper Occoquan water reclamation plant

    The Smart Elbow Stops Lime Spills and Prevents Dust Cloud Exposure Robert Forgione, P.E. and his team at the Upper Occoquan Water Reclamation Plant in Centreville, Virginia were wading through yet another dust cloud to cleanup yet another pile of dry pebble lime and dust that had leaked from a failed elbow in the conveying line. While the hole measured a mere 1/2-inch across, it was ...


    By HammerTek Corporation

  • Pyrobustor for the thermal treatment of biosolids

    ARA Pustertal AG operates the Tobler wastewater treatment plant in South Tyrol, Italy. The Tobler ARA facility is the fi rst and only water treatment plant in Central Europe that is housed in an underground cavern. The impressive cavern plant, whose tunnels are twice as large as that of a highway tunnel, began operation in July, 1996. The inclusion of a sludge drying plant and a thermal sludge ...


    By Eisenmann

  • Evaluation of Sludge Treatments for Pathogen Reduction

    The recycling to agricultural land is an important outlet for sewage sludge and other sludges but it must be controlled in order as to obtain agricultural benefit from the sludge whilst protecting human and animal health and the environment at large. Current practices in Europe are based on the requirements of the 1986 Directive on the use of sewage sludge in agriculture (86/278/EEC). Since that ...


  • CH#835 - Grease Removal

    The problem of degrading 6,000+ ft of grease daily has an easier solution than thought at the 27 MGD a Massachusetts Waste Water Treatment Plant. 'At one time, the plant had more grease in its scum pits than it could handle,' said an  engineer . 'Worse yet, there was nowhere to put it. Local landfills stopped accepting greasy solids.' Now the plants grease problem has been virtually solved. ...


    By BIO-SYSTEMS International

  • Water quality assessment and heavy metals in sediment, soil and vegetable around Oke–Afa Canal, Lagos, Nigeria

    The extent of pollution of water, sediments, plants and soils irrigated with water from Oke–Afa canal Lagos was investigated. The mean values of the alkalinity, dissolved oxygen, chemical oxygen demand, total suspended solids, total dissolve solids, total solids, phosphates, nitrates, pH, temperature and heavy metals were within the acceptable values of water for irrigation except a few which ...


    By Inderscience Publishers

  • Cowley Manor, Gloucester case study

    Cowley Manor is a magnificent country house set in 55 acres of parkland; its gardens are famous for its lakes and Victorian cascades. The property was completely refurbished and opened as a hotel in 2002. However the original plant failed to achieve its design performance and after various modifications and pressure from the Environment Agency, Watling Hope were approached and asked to provide ...


    By WPL Ltd

  • Flow field prediction in full-scale Carrousel oxidation ditch by using computational fluid dynamics

    In order to optimize the flow field in a full-scale Carrousel oxidation ditch with many sets of disc aerators operating simultaneously, an experimentally validated numerical tool, based on computational fluid dynamics (CFD), was proposed. A full-scale, closed-loop bioreactor (Carrousel oxidation ditch) in Ping Dingshan Sewage Treatment Plant in Ping Dingshan City, a medium-sized city in Henan ...


    By IWA Publishing

  • High Rate Biological Odour Control Demonstration for Biosolids Exhausts

    Abstract Biorem has successfully demonstrated its high rate odour control system for biosolids exhausts at Ashbridges Bay sewage treatment plant in Toronto, Ontario. The demonstration used XLD™, a biofiltration media engineered specifically for biosolids odours. The system has achieved 95% odour removal in less than 20-s Empty Bed Residence Time (EBRT) despite high concentration of ...


    By Biorem Technologies Inc.

  • Microbial safety of air-dried and rewetted biosolids

    To assess microbial safety of treated sewage sludge (biosolids), we examined the inactivation of microbial indicators for potential bacterial, viral and protozoan pathogens. The levels of indicators were determined throughout the air-drying and storage phases of anaerobically digested sewage sludge. Samples were collected from two wastewater treatment plants (WWTPs) in Victoria, Australia. ...


    By IWA Publishing

  • Theoretical and practical experience of calcium phosphate inhibition in RO waters

    The increasing trend over the last ten years to use waste water as a feed source for reverse osmosis membrane plant has resulted in an increase in calcium phosphate scaling on membrane surfaces. This is due to much higher levels of phosphate in waste water typically 10-30 mg/l as compared with a groundwater source which may have only 1-5 mg/l of phosphate. These higher phosphate levels resulting ...

  • `Making good earth better` goal of waste-to-resource firm

    “One man’s trash is another man’s treasure.” Nowhere is that more true than in northern Ohio, where a long-established waste-to-resource company is turning everything from demolition and construction waste and sewage sludge into products that homeowners and businesses can use to spruce up their properties. “I can’t believe what we do,” enthuses Diane Kurtzman, a spokesperson for Kurtz Bros. Inc., ...

  • Effects of the anaerobic biowaste treatment processes Management on the digestate quality (residues from Digestion/compost, process water/wastewater)

    Regarding the municipally-collected biowaste amount in Germany, a quantity of 90 - 100 kg/ per annum per citizen is registered (Gallenkemper and Doedens, 1994). That results in an annual biowaste amount of 6.3 to 7 million tons in the Federal Republic of Germany (FRG), whereby also sewage sludges and biogenic, industrial wastes are added. According to Hochrein (1994) about 3 million tons of ...


    By ORBIT e.V.

  • Direct Dewatering from Oxidation Ditch (Africa)

    Development of proper sanitation or wastewater treatment has been a critical issue in Africa for prevention of almost any types of infectious diseases. Generally, anywhere in the world, the keys for the successful wastewater treatment system is choosing the appropriate solids removal and dewatering technology and achieving the acceptable quality of water for discharge. However, the high ...


    By AMCON Inc.

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