Novel shortcut biological nitrogen removal method using an algae-bacterial consortium in a photo-sequencing batch reactor: Process optimization and kinetic modelling. Author links open overlay panel S. Arun a N. Arul Manikandan b Kannan Pakshirajan a G. Pugazhenthi b. Show more.
Oct 01, 2019· The nitrogen removal performance for single-stage nitritation/ANAMMOX was optimized. • Feed distribution in the SBR cycle and sub-cycles was considered as the main strategy. • ANAMMOX activity was a more influential factor on nitrogen removal rate than AOB. • The NRE and NRR were maximized simultaneously by employing RSM with CCFD. •
Optimization of membrane based nitrogen removal from natural gas Article in Journal of Membrane Science 498:291-301 · January 2016 with 122 Reads How we measure 'reads'
Nitrogen Removal in SBRs Use anoxic and aerobic cycles to effectively remove nitrogen Cycles are: - Fill (anoxic) - React (aerobic/anoxic) - Settle - Decant . TN Plant Optimization Program (TNPOP) Denitrification in Activated Sludge Processes Dr. Larry Moore 40 of 42
OPTIMIZATION OF BIOLOGICAL NITROGEN REMOVAL FROM FERMENTED DAIRY MANURE USING LOW LEVELS OF DISSOLVED OXYGEN Jason L. Beck ABSTRACT A pilot scale nitrogen (N) removal system was constructed and operated for approximately 365 days and was designed to remove inorganic total ammonia nitrogen (TAN) from solids-separated dairy manure.
The optimization strategy for nitrogen removal was to study the alternative operational parameters that exert the most influence on nitrogen removal. The optimization was done in several steps and the effluent quality after each step is included in Table 3. Table 3.
Optimization of helium extraction processes integrated with nitrogen removal units: A comparative study. Author links open overlay panel Homa Hamedi a Iftekhar A Karimi ... (PSO). PSO is a population-based stochastic optimization technique developed by Kennedy and Eberhart 1995. Over the past years, PSO has been successfully applied to many ...
1 . Wastewater Nutrient Optimization & Nitrogen Removal 2018 . By . Brett Ward . Municipal Technical Advisory Service . TN Plant Optimization Program (TNPOP) Wastewater Nutrient Optimization & N Removal
Jul 29, 2018· Optimization aspects of the biological nitrogen removal process in a full-scale twin sequencing batch reactor (SBR) system in series treating landfill leachate. Remmas N(1), Ntougias S(1), Chatzopoulou M(1), Melidis P(1).
Optimization of Plant Performance for Nitrogen Removal General Procedure: 1. Identify limitations of system components: - Is secondary clarifier surface area adequate to handle expected peak hourly flows? - Is return sludge pumping capacity adequate for nitrogen removal? - Is aeration system capacity adequate to support nitrogen removal?
The nitrogen removal from wastewater has been demonstrated to be successful in a complete mixing type aerator into which the optimum amount of oxygen was supplied automatically by on-off control ...
Ammonia treatment can be difficult and complicated. The the LemTec™ Biological Treatment Process simplifies ammonia treatment, reliably and consistently removing Ammonia Nitrogen (NH3-N) using several methods. Most ammonia removal occurs in the complete mix cell through the optimization of aeration and mixing in that zone.
New technology improves nitrogen-removal economics. A new method of removing nitrogen from natural gas makes production of limited gas accumulations more economical. Apr 23rd, 2001.
Optimization for zeolite regeneration and nitrogen removal performance of a hypochlorite-chloride regenerant. Zhang W(1), Zhou Z(2), An Y(3), Du S(1), Ruan D(1), Zhao C(1), Ren N(1), Tian X(1). Author information: (1)College of Environmental and Chemical Engineering, Shanghai University of Electric Power, 2588 Changyang Road, Shanghai 200090, China
Final Report Wastewater Nutrient Optimization Project December 14, 2016 Overview Training and technical support was given to TDEC and municipal employees to assist them in the optimization of nutrient removal at municipal wastewater treatment plants. TDEC staff training and technical support was provided as classroom training, video
Optimization of SBR system for enhanced biological phosphorus and nitrogen removal. 6 Pages. ... biological phosphorus and nitrogen removal with enhanced anoxic phosphate uptake investigated in an anaerobic– Overall removal efficiencies of the lab-scale SBR reactor aerobic–anoxic–aerobic SBR in the (AO)2 SBR system found are shown in ...
NUTRIENT REMOVAL OPTIMIZATION Nitrate Analyzers, Supplemental Carbon Addition, and Treatment Plant Modeling Improves Nitrogen Removal without Capital Expenditures at UAJA SWOWEA – Young Professional Award 2012 Will Martin – Hazen and Sawyer, P.C.
Evaluation and Optimization of Bioretention Design for Nitrogen and Phosphorus Removal Prepared and Conducted by Robert M. Roseen, PhD, PE, D.WRE Associate, Geosyntec Consultants Principal Investigator, Adjunct Professor, UNHSC [email protected] Robin M. Stone, M.S., EIT Gradate Research Assistant UNH Stormwater Center [email protected]
Process optimization of anammox-driven hydroxyapatite crystallization for simultaneous nitrogen removal and phosphorus recovery. Author links open overlay panel Lan Lin a Yanlong Zhang a Markus Beckman b Wenzhi Cao a Tong Ouyang a Shaopo Wang c Yu-You Li d. Show more.
PB85-173938 Optimization of Nitrogen Removal by Rapid Infiltration Volume I. System Description and Evaluation University of Colorado Boulder, Colorado Mar 85 U.S. DEPARTMENT OF COMMERCE National Technical Information Service KI1&
optimization work, total nitrogen averaged a respectable 7 mg/L and total phosphorus averaged 3 mg/L. Total-N is now averaging 5 mg/L and total-P is averaging 2.0 mg/L. The Helena staff continues to experiment with ways to optimize nutrient removal at the City's
Nov 26, 2010· Real Time optimization of nitrogen removal in terms of functional effectiveness and cost with use of a Wise Device Control (WDC) and of a software tool for d...
Biological nitrogen removal via nitrite may represent a promising process for the optimization of nitrogen removal, in particular in the presence of a low biodegradable COD/TKN ratio.
PDF | The optimisation of biological nitrogen removal processes has attracted a lot of research in the past few years. Considerable achievements in not only optimised process operation and control ...
Optimization of Bioretention Soil Mix for Nutrient Removal James Houle UNH Stormwater Center, ... Phosphorus Optimization Column # Soil Mix Notes T 4 - P1 90% Stantec loam + 10% sand x Drainage to filter ratio 2 5 :1 ... •Nitrogen removal is less media dependent and
United States Environmental Protection Agency Robert S. Kerr Environmental Research Laboratory Ada, OK 74820 Research and Development EPA/600/S2-85/016 Apr. 1985 Project Summary Optimization of Nitrogen Removal by Rapid Infiltration E. R. Bennett, L. E. Leach, Carl G. Enfield, and David M. Walters The objective of this research field study was to evaluate the operational methods for ...
Jul 01, 2000· The nitrification step of a biological nitrogen removal process conducted in a sequencing batch reactor (SBR) was studied. The process is time oriented and history-dependent: changes in the length of fill and react phases alter process productivity.
Optimization of intermittent aeration for increased Nitrogen Removal Efficiency And Improved Settling Dana Kathleen Fredericks ABSTRACT Nitrogen, when present in excess, can cause eutrophication in waterways, which may result in hypoxia and the desertion or death of aquatic life.
The average removal rates of CODcr, NH 3-N, and TN in the reactor were 90.3, 83.2, and 69.1%, respectively. Obviously, alternating operation mode combined with parameter optimization was the optimal nitrogen removal strategy for low-temperature and high-load wastewater.