نتایج جستجو برای: using electrolysis can upgrade anaerobic units appropriately
تعداد نتایج: 5346362 فیلتر نتایج به سال:
Ladderane lipids produced by anammox bacteria constitute some of the most structurally fascinating yet poorly studied molecules among biological membrane lipids. Slow growth of the producing organism and the inherent difficulty of purifying complex lipid mixtures have prohibited isolation of useful amounts of natural ladderane lipids. We have devised a highly selective total synthesis of ladder...
Background and Aim: The aims of this study was to explore the feasibility of improving efficiency of the wastewater treatment system of the Fars Pegah Dairy Industries (FPDI) and propose ways to upgrade it in 2006-2007. The FPDI wastewater treatment system was of a successive anaerobic-aerobic type using anaerobic stabilization ponds and conventional and extended aeration activated sludge. Due ...
We present a study on a microbial electrolysis cell with methanogenic microorganisms adapted to reduce CO2 to CH4 with the direct injection of electrons and without the artificial addition of H2 or an additional carbon source except gaseous CO2 . This is a new approach in comparison to previous work in which both bicarbonate and gaseous CO2 served as the carbon source. The methanogens used are ...
Nitrogen removal by a nitritationanammox bioreactor at low temperature 1 Ziye Hu, Tommaso Lotti, Merle de Kreuk, Robbert Kleerebezem, Mark van 2 Loosdrecht, Jans Kruit, Mike S.M. Jetten, Boran Kartal 3 a Department of Microbiology, IWWR, Radboud University Nijmegen, 4 Heyendaalseweg 135, 6525AJ Nijmegen, The Netherlands 5 b Department of Biotechnology, Delft University of Technology, Julianalaa...
A three-pronged coordinated research effort was undertaken by cooperating utilities at three different experimental scales investigating bioaugmentation, enrichment and performance of anammox organisms in mainstream treatment. Two major technological components were applied: density-based sludge wasting by a selective cyclone to retain anammox granules and intermittent aeration to repress nitri...
Biomarkers for In Situ Detection of Anaerobic Ammonium-Oxidizing (Anammox) Bacteria Markus C. Schmid, Bart Maas, Ana Dapena, Katinka van de Pas-Schoonen, Jack van de Vossenberg, Boran Kartal, Laura van Niftrik, Ingo Schmidt, Irina Cirpus, J. Gijs Kuenen, Michael Wagner, Jaap S. Sinninghe Damsté, Marcel Kuypers, Niels Peter Revsbech, Ramon Mendez, Mike S. M. Jetten, and Marc Strous* Kluyver Labo...
The Increasing Interest of ANAMMOX Research in China: Bacteria, Process Development, and Application
Nitrogen pollution created severe environmental problems and increasingly has become an important issue in China. Since the first discovery of ANAMMOX in the early 1990s, this related technology has become a promising as well as sustainable bioprocess for treating strong nitrogenous wastewater. Many Chinese research groups have concentrated their efforts on the ANAMMOX research including bacter...
fuzzy logic has been developed over the past three decades into a widely applied techinque in classification and control engineering. today fuzzy logic control is one of the most important applications of fuzzy set theory and specially fuzzy logic. there are two general approachs for using of fuzzy control, software and hardware. integrated circuits as a solution for hardware realization are us...
due to the limiting workspace of parallel manipulator and regarding to finding the trajectory planning of singularity free at workspace is difficult, so finding a best solution that can develop a technique to determine the singularity-free zones in the workspace of parallel manipulators is highly important. in this thesis a simple and new technique are presented to determine the maximal singula...
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