wet digester News

  • Wet Anaerobic Digestion Allows EFW Plant to Generate Almost 25,000 Megawatts Annually

    Harvest Power’s Energy Garden in London, Ontario turns organic materials into clean, renewable energy and fertilizers. Through advanced digestion technology, naturally-occurring micro-organisms produce renewable biogas energy from food scraps, grease, and other organic waste materials. The remaining digestate is turned into organic fertilizer granules. The Energy from Waste facility uses a ...


  • Hydroxyl Radical Eliminates H2S in Wet Scrubbers & Flue Gases

    In a recent study in Houston, TX, H2S was removed from a natural gas stream containing 2,000 mg/l of H2S and 5% CO2 using JC 9450 ROS. JC 9450 ROS is a new mineral oxychloride compound that generates Reactive Oxygen Species (ROS) like hydroxyl radical ions and others ions in a highly soluble form that is easy to use. The study, which simulated operating conditions of a wet scrubber, found that ...


    By Jenfitch, LLC

  • Flow Solution® IV+ Automated Chemistry Analyzer

    The new Flow Solution® IV+ Automated Chemistry Analyzer performs continuous flow ion analysis on aqueous samples, soil, plant extracts and digests, and other matrices. The FS IV+ runs both SFA and FIA methods, providing the flexibility to automate a wide range of wet chemistry procedures. System modules are available to perform automatic dilutions and on-line sample preparation techniques, ...

  • WRAP reviews de-packaging equipment

    The Waste and Resources Action Programme has reviewed de-packaging equipment for food waste in order to encourage more efficient food waste reprocessing. WRAP commissioned SLR Consulting to review available equipment which segregates packaging from food waste. The Review of Food Waste De-packaging Equipment was published on 4 August. The review provides anaerobic digestion and in-vessel ...

  • ASTM D4638 - 11 standard guide for preparation of biological samples for inorganic chemical analysis

    The chemical analysis of biological material, collected from such locations as streams, rivers, lakes, and oceans can provide information of environmental significance. The chemical analysis of biological material used in toxicity tests may be useful to better interpret the toxicological results. Many aquatic biological samples, either as a result of their size, or their method of collection, ...


    By ASTM International

  • CDEnviro Launch Third Generation D:Max

    Since its initial launch in 2007 the D:Max from CDEnviro has been widely used in the waste water treatment sector to process waste prior to landfill and recover the grit material from the waste which can subsequently be resold / reused. This technology has been widely adopted by water companies and contractors to the industry in the treatment of a variety of waste materials including waste from ...


    By CDEnviro

  • Phosphorus measurement according to DIN EN ISO 6878:2004-09

    Metrohm Process Analytics presents the 2035 Process Analyzer, an integrated solution for 24/7 online-monitoring of critical chemical parameters such as ortho- and total phosphate phosphorus in wastewater streams. Three fixed ranges are available for Low, Standard, and High TP situations. Phosphorus measurement according to DIN EN ISO 6878:2004-09 Phosphorus ...


    By Metrohm AG

  • CAMBI B2 “packaged unit” thermal hydrolysis plant, including steam explosion disintegration

    Cambi, the world’s leading company within Thermal Hydrolysis (THP) pre-treatment of sewage sludge before digestion, will present the following new development at this year’s IFAT in Munich, 7 – 11 May: The new Cambi B2 THP for medium sized WWTPs starting at 50,000 p.e.  or 1,500 t DS (dry solids)/year up to 6,600 t DS (240,000 p.e.) . The Cambi B2 will enable your plant to ...


    By Cambi Group AS

  • Phosphorus measurement according to DIN EN ISO 6878:2004-09

    Metrohm Process Analytics presents the 2035 Process Analyzer, an integrated solution for 24/7 online-monitoring of critical chemical parameters such as ortho- and total phosphate phosphorus in wastewater streams. Three fixed ranges are available for Low, Standard, and High TP situations. ...


    By Metrohm AG

  • EPA, San Jose, recycler celebrate food waste to energy conversion

    Today, the U.S. Environmental Protection Agency and City of San Jose will celebrate the city’s successful food-waste-to-energy program at a tour of the nation’s first large-scale commercial anaerobic digestion facility, privately owned and operated by Zero Waste Energy Development Company. “Thanksgiving is a great time to focus on reducing food waste, the largest single material ...

  • Severn Trent increase sludge screening efficiency

    A new sludge screening system has resulted in Severn Trent Water significantly increasing the efficiency of sludge screening operations at Minworth Sewage Treatment Works on the outskirts of Birmingham. Since the new sludge screen has been introduced by Severn Trent the company has reported significant operational efficiencies as a result of increased screenings removal from the imported sludge, ...


    By CDEnviro

  • NREL researchers use imaging technologies to solve puzzle of plant architecture

    Scientists at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) and the BioEnergy Science Center (BESC) combined different microscopic imaging methods to gain a greater understanding of the relationships between biomass cell wall structure and enzyme digestibility, a breakthrough that could lead to optimizing sugar yields and lowering the costs of making biofuels. ...

  • Meeting the ever-changing demands of the global biogas market

    Fixed biogas analysers from Geotech are now available with additional options for moisture management to help with challenges from wet biogas. A new variant on the reliable GA3000 PLUS also provides oxygen (O2) measurement designed for very low O2 levels, and new pre-calibrated cells ...

  • Clean World Partners Opens Ground-Breaking Waste Conversion Facility

    Clean World Partners today opened the nation’s first commercial high-solid organic waste conversion facility at American River Packaging’s Sacramento ...


  • Climate change `to increase malaria` in Indian Himalayas

    Climate change is likely to spread malaria to new areas in the Indian Himalayas, and lengthen the periods in which the infection is spread in a number of districts, according to projections from malaria researchers in India. But the country's east coast could see fewer malaria cases by 2030, because of rising temperatures which affect ...


    By SciDev.Net

  • North American water treatment in power industry to reach US$1.17bn in 2013

    The North American market for water treatment systems in the power industry is extremely competitive, with price being a key factor. In particular, the market for wastewater treatment systems gains momentum because of increasingly stringent surface discharge standards and growing concerns over declining fresh water resources. Advanced technologies such as zero liquid discharge (ZLD) and flue gas ...


    By Frost & Sullivan

  • Video Educates Property Owners & Tenants about Concerns over Mold

    Some people think that unless they live in a place that experiences flooding and hurricanes, they will likely never have to deal with mold in their home. The reality is that many mold problems occur due to much less dramatic events that allow moisture or elevated humidity to accumulate in a structure.   Mold is not usually a problem indoors, unless mold spores have landed on a wet or damp ...


    By Cochrane & Associates, LLC

  • Limestone, Maine water and sewer district gains environmental benefits from federal and state assistance

    A team of senior environmental officials from federal and state agencies today highlighted coordinated work that is resulting in the Greater Limestone Regional Wastewater Treatment Facility achieving significant environmental and economic benefits for Aroostook County. With approximately $9.3 million of funding from the federal Recovery Act, allocated by the U.S. Environmental Protection Agency, ...

  • ReportsnReports - Water Technology Markets

    The water sector is facing greater challenges than ever before: population growth, climate change, increased water scarcity, tougher environmental regulation, and dwindling public finances. As we confront these issues, only one thing stands between success and failure: water technology. It is a subject which has been neglected over the years. The pipe, the pump and the valve, have been enough to ...


  • Germany lowers biogas formaldehyde emissions

    The renewable energy sector has grown enormously in Germany in recent years and there are now large numbers of plants producing energy from biogas/anaerobic digestion. The emissions from these plants are regulated, but the measurement of formaldehyde (a carcinogen) is being reduced as a result of a financial incentive system. However, the measurement of formaldehyde is challenging and in order to ...


    By Gasmet Technologies Oy

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