Wastewater Biogas Articles

  • Case study - Procurement and installation of a Biogas desulphurization unit at the Chania WWTP

    A proposal based on Bioconservacion’s technology was selected as the winning bid in the public tender released in 2015, covering the design, procurement and construction of a biogas desulfurizing unit to be installed in the waste water treatment plant in Chania, Greece. With a population over 100,000, Chania is the second largest municipality in the Greek island of Crete. Its waste water ...


    By Bioconservacion SA

  • Case study - Biogas desulphurisation in the WWTP do Norte (Portugal)

    The Northern Wastewater Treatment Plant (WWTP) is one of the biggest in the central region of Portugal, servicing various municipalities. The infrastructure is located in the area of Coimbra, Leiria, taking up 6 hectares of land; it receives effluents from some 250,000 inhabitants across multiple municipalities. It has the capacity to treat around 38,000m3 of wastewater on a daily basis, 77% of ...


    By Bioconservacion SA

  • Energy Neutral” Is More Than Just a Buzzword for WWTPs

    Could all wastewater treatment plants someday become energy neutral? The goal may sound unobtainable, but with the right technology, investments, and innovation it may not be. According to the American Biogas Council, the wastewater sector consumes 22 terawatt hours of electrical energy each year, but has the potential to generate 851 trillion BTU of ...


    By KLa Systems, Inc.

  • Case study - Biogas desulphurisation at the Chania WWTP

    In partnership with Greek engineering firm DIMTECH, Bioconservacion is conducting a biogas desulphurisation project that aims to drive the harnessing of energy from the digestion of slurry at the WWTP in Chania - the plant where wastewater is treated within a semi-arid zone of Crete, located near residential areas. This facility will be going into operation soon and will use the Bi-On Fe ...


    By Bioconservacion SA

  • GTI’s cover for the town of Creston lasts 20 years - case study

    The Town of Creston, British Columbia, Canada, operates an anaerobic digester to treat brewery wastewater. Biogas is used to fuel a boiler for process heating. The system was approaching 20 years old and the cover, originally built by GTI, required replacement. The anaerobic digester had to remain in service while the covers were changed. The cover was replaced with an updated GTI gas collection ...

  • Biogas production from cheese whey wastewater: laboratory- and full-scale studies

    A two-phase system for biogas production from cheese whey wastewater (CWW) was designed, set up and operated at laboratory and full scale for a whole cheese production season (8–9 months). The high efficiency and stability of the laboratory-scale system was demonstrated under various organic loading rates (OLRs) reaching 13 g chemical oxygen demand (COD) L−1d−1 and ...


    By IWA Publishing

  • Biogas for the Cagayan de Oro City Jail: An ICRC-Funded Environmental and Livelihood Project in the Philippines

    Jails may not be the first places that come to mind when thinking about environmental projects, but the International Committee of the Red Cross (ICRC) Philippines nevertheless recognized great potential for such a project in the jails of the Philippines. Philippine jails, which are managed by the Bureau of Jail Management and Penology (BJMP), are, like many jails in developing ...


    By IWA Publishing

  • The performance of a modified Anaerobic Baffled Reactor (ABR) treating high strength synthetic wastewater

    In the present study the overall performance of a modified Anaerobic Baffled Reactor (ABR) treating high strength synthetic wastewater was first described. The reactor differs from the original ABR as follow: a modified internal lamella separator was positioned at top of each up-flow sections to separate the biogas and liquid to reduce the sludge wash out. The initial organic loading rate was ...


    By Inderscience Publishers

  • THyPAD – From Pilot to Full Scale Application at Hamar WWTP

    During 2001-2003 the city and county of San Francisco completed a two-year pilot study of pretreatment processes to mesophilic anaerobic digestion for improved biosolids stabilization and production of biosolids suitable for unrestricted reuse (class A biosolids). The pre-treatment options investigated included:   1. A thermophilic (55 °C; TP) process with 5 days hydraulic retention time (HRT).   ...

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