sewage sludge technology News

  • Supercritical water oxidation of sewage sludge

    ABSTRACT Supercritical water oxidation (SCWO) is an innovative and effective destruction method for organic wastewater and sludge. Several tests of the destruction of sewage sludge by SCWO have been done at two state of the art pilot plants. These units have capacities of 250 kg/h and 1100 kg/h, respectively. The test results show that the technology easily destroys the organic ...


    By SCFI Group Limited

  • IFAT CHINA + EPTEE + CWS 2010: What to do with sewage sludge?

    In recent years China has developed into one of the world’s biggest markets for sewage treatment. According to the Chinese Ministry of Environmental Protection, over 20 billion euros was invested by the end of 2008 in around 1,550 sewage plants in the People's Republic. Together these facilities process 86 million tons of sewage each day. 'Despite the high level of expenditure on cleaning the ...


    By Messe München GmbH

  • SFPUC demonstrates innovative technology that recycles harmful sewage

    A pilot project at The San Francisco Public Utilities Commission’s (SFPUC) Southeast Wastewater Treatment Plant is the first plant in California to demonstrate a new technology that removes phosphorus and other nutrients from wastewater and recycles them into environmentally-safe commercial fertilizer. The technology was developed by Ostara Nutrient Recovery Technologies Inc. of Vancouver, ...

  • IFAT CHINA 2008 - Solutions for handling mountains of sewage sludge

    China is facing huge problems because of an ever growing quantity of sewage sludge – the country urgently needs practical, ecological and economic solutions to deal with the situation. China is therefore looking abroad to see how foreign know-how and efficient technologies can be used. All of which will be showcased at the environmental trade fair IFAT CHINA, which takes place in Shanghai from 23 ...


    By Messe München GmbH

  • Electricity from Sewage in India

    Waste-to-Wire: Electricity from Sewage India’s newly elected government’s agenda on sanitation and sewage treatment is intent towards improving the socio-economic spheres of our times.  Financial schemes from the central government to build sewage treatment plants, river cleaning programmes and providing clean sanitation facility for all are indicators of enterprising ...


    By Clarke Energy

  • Up to 40% more biogas as new Cellruptor give mossive boost to the AD of sewage sludge

    Eco-Solids International’s new Cellruptor technology can enhance the anaerobic digestion (AD) of sewage sludge to generate a massive 25% to 40% extra gas. A highly efficient and extremely cost-effective pre-treatment, Cellruptor’s cell-disintegration technology utilises AD to dramatically improve the operational and process economic dynamics of treating sewage and wastewater sludges. ...


    By Ecosolids International Ltd

  • Outotec to build the largest and most advanced sewage sludge thermal treatment plant in Switzerland

    Outotec has signed a contract with the City of Zürich (represented by Entsorgung und Recycling Zürich), on the design and turnkey delivery of the largest and most advanced sewage sludge thermal treatment plant in Switzerland. Outotec's contract value is nearly EUR 50 million, of which the first phase engineering will be included in Outotec's 2012 order intake, and the main delivery ...


    By Outotec Oyj

  • NACWA files petition for reconsideration and stay of final sewage sludge incineration rule with EPA

    The National Association of Clean Water Agencies (NACWA) today filed a petition with the U.S. Environmental Protection Agency (EPA) requesting reconsideration and a stay of the Clean Air Act (CAA) maximum achievable control technology (MACT) standards for municipal sewage sludge incinerators (SSIs) (“Standards of ...

  • Research and Markets: Biological Sludge Minimization and Biomaterials/Bioenergy Recovery Technologies

    Research and Markets (http://www.researchandmarkets.com/research/txcv8l/biological_sludge) has announced the addition of John Wiley and Sons Ltd's new book "Biological Sludge Minimization and Biomaterials/Bioenergy Recovery Technologies" to their offering. This book provides a ...


    By Research and Markets

  • Using ozone to reduce sludge

    Untitled Document An excess of sludge in a sewage treatment plant is not a new problem. For a long time, “end of pipe” ...


  • Sewage project generates renewable gas

    British households are today cooking and heating their homes with renewable gas produced from human waste. Biomethane gas from the Didcot sewage works in Oxfordshire, a joint venture between Thames Water, British Gas and Scotia Gas Networks, will produce enough renewable gas to supply up to 200 homes. The Didcot sewage project marks an important milestone in the UK's efforts to decarbonise the ...

  • Experience the Future of Sludge treatment

    At the the upcoming 20th European Biosolids & Organic Resources Conference – the future of sludge treatment – the Cambi team and other professionals in the world of wastewater and sewage sludge treatment will present this industry’s latest technology and plants. The conference,  ...


    By Cambi AS

  • Sludge for UK biogas plants

    Imtech has been commissioned by the English water company Northumbrian Water to supply the technology solution for an advanced biogas plant in Howdon, UK. The plant will generate over 4MW electricity on a yearly basis, using treated sludge as biofuel to create energy. The order is worth around 41 million euro for Imtech. René van der Bruggen, CEO Imtech: 'In the UK, limited ...

  • Pre-filtering saves 50% investment in sewage plant

    The Saulekilen Sewage Plant in Arendal, south of Norway, increases its capacity from 45000 p.e. to 80000 p.e. with a new process design. By using a first filter stage combined with compact biofilters, the new plant fits inside the old one. This reduces investments by NOK 25 mill. (USD 4 mill.), which is approximately half the cost of a conventional treatment plant. Filters at entrance ...


    By Biowater Technology

  • New addition to Sludge Screen range

    Following the launch of the S:Max sludge screen to the UK sewage and wastewater treatment market in 2010 CDEnviro have announced an expansion of the range. The new S:Max SRU10 is designed for operators requiring smaller capacities than that offered by the SRU25 model. “The SRU25 was initially designed for introduction to major sludge processing sites such as the one at Minworth Sewage ...


    By CDEnviro

  • Philippines - Veolia Water Solutions & Technologies to design and build Manila Water`s sewage treatment plant

    OTV, a subsidiary of Veolia Water Solutions & Technologies, in partnership with civil contractor Sta. Clara, have signed a US 62 million dollar contract to design and build Manila Water Company's Marikina North Sewage Treatment Plant. Located along the eastern part of Metro Manila, Marikina City is one of the progressive urban areas of Metro Manila. The project will be undertaken in line ...


  • Cavitations technology

    The recent merger between DEWACO LTD and Cavia Technology of Finland, a company specialised in ultrasonic treatment systems enables DEWACO LTD to include “cavitations technology” to its portfolio to consolidate in this competitive high-potential sector. Disruption of sludge cells by means of DEWACO LTD “high frequency” ultrasonic cavitations treatment enables the release of light organic ...


    By Dewaco Ltd

  • Thicker sludge saves time and money

    Recent improvements in pump technology prompted Severn Trent Water (STW) to initiate a de-sludging trial to reduce costs and energy consumption by producing thicker sludge in the Primary Settlement Tank (PST). Advanced monitoring instrumentation from HACH LANGE played a key role in the trial which, nine months after it began, has been heralded a success. STW's Mark Bryan summarises the objective ...


  • Phosphorus shortage solved through sewage recovery

    Phosphate is a key component in food production and an important element in fertilisers. The expectation is that easily extractable reserves of phosphate will be exhausted within fifty to ninety years due to the growing demand. Grontmij is working on finding a solution and on the more effective use of phosphate. The recovery and reuse of phosphate from waste water plays an important role in this. ...

  • Don`t waste sewage - it`s a resource

    The way we treat sewage needs to undergo a revolution on the same scale as we have seen attitudes change to household rubbish and industrial waste. That was the core message of an event hosted by consultants Aqua Enviro this week. While the value of most other resources is widely recognised, we tend to have a devil-may-care attitude to water consumption in the UK, perhaps in part due to the ...

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