biogas digester enzyme Articles

  • Monsal Enzymic Hydrolysis – New Developments And Lessons Learnt

    Abstract Over the last ten years, a variety of pre-treatment technologies have emerged claiming to optimise anaerobic digestion. Of all these technologies, biological hydrolysis (Monsal Enzymic Hydrolysis) is the most widely adopted technology in the UK. Monsal Enzymic Hydrolysis has now been selected for eleven plants; eight operational, one under construction, and two in design, and the ...


  • The economics of advanced digestion

    Abstract Historically, the focus sewage sludge digestion was to stabilise the sludge and reduce the odour emitted. Pathogen reduction, solids destruction and biogas production then became important. In recent years a number of advanced digestion processes have become available which can be added to the conventional digestion process. Initially advanced treatment methods for treating sludge were ...


    By Cambi AS

  • Review of The Performance of An Advanced Digestion Process

    Abstract The United Kingdom has seen a renewed interest in anaerobic digestion and in particular Advanced Digestion systems. The benefits claimed for these systems are many including increased biogas production, high pathogen kill to Treated and Enhanced Treated standards and better dewaterability of digested sludge to name a few.   This paper reviews performance of three ...


  • Silent sentinel role for static gas analyser at United Utilities

    Biogas produced by the United Utilities anaerobic digestion sludge plant at Lancaster (Stodday) waste water-treatment runs a brand new 525kW combined heat and power (CHP) engine generating electricity and now operating 24/7. It joins an existing 325kW engine already in service for three years. In addition to biogas from the Stodday mesophilic anaerobic digester, a new enzymic hydrolyser increases ...


    By Geotech

  • Static gas analyser at United Utilities case study

    About the customer United Utilities, Lancaster, England Equipment GA3000 Location United Kingdom Customer United Utilities Requirement The customer required its own precise, detailed and accurate recording of the concentrations of methane (CH4), carbon ...


    By Geotech

  • Novel Hybrid PBR-UASB System for the Treatment of Highstrength Pet Food Wastewater

    ABSTRACTPet food industrial wastewater contains high concentration of oil and grease (O&G) which is difficult to treat using conventional biological systems. In this study, anaerobic treatability of pet food wastewater was evaluated in a hybrid packed bed reactor-upflow anaerobic sludge blanket (PBR-UASB) treatment system. The PBR was packed with sol-gel/alginate beads containing immobilized ...

  • Commericalizing cellulosic ethanol

    Cellulosic biofuels, produced from nonfood feedstock, are expected to play a critical role in reducing the country's dependence on imported oil. EISA, the Energy Independence and Security Act of 2007, calls for the production of 100 million gallons per year (mgpy) of cellulosic biofuels by 2010, with a longer term goal of 16 billion gallons by 2022.Achieving these goals will not be easy. Several ...


    By BioCycle Magazine

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