ammonia removal system Articles
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TB 43: Efficient ammonia removal using modular liqui-cel contactors
Ammonia is widely used in the Chemical Industry as a cleaning and bleaching agent in the production of fertilizers, plastics, and explosives just to name a few. As a result, large quantities of wastewater containingammonia are produced and many industries now have to treat the wastewater to remove the ammonia so that it is not discharged back into the environment. There are many conventional ...
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WWTP Georgia, USA - A Case Study
Case Study: Municipal WWTPClient: Georgia – USAStart Up: 2009Capacity: 1,900 m3/d Overview The extensive municipal WWTP was required to upgrade its effluent quality to include extensive Ammonia removal. The project was conducted by Aqwise’s partner in North America, Siemens Water Technologies Corp. Requirement The city of Folkston, Georgia, needed to upgrade its lagoon system to meet new ...
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Case Study: SCR System for Ammonia Removal at Ethanol Producer
Catalytic Products International (CPI) installed an 18,000 SCFM CONCORD Selective Catalytic Reduction (SCR) system for the abatement of Ammonia (NH3), Volatile Organic Compound (VOC), and Nitrogen Oxides (NOx) at a Midwest USA cellulosic ethanol producer. Ethanol is a renewable fuel made from various plant materials collectively know as "biomass", which ferments sugars into alcohol. It can be ...
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Short-term effect of ammonia concentration and salinity on activity of ammonia oxidizing bacteria
A continuously aerated SHARON (single reactor high activity ammonia removal over nitrite) system has been operated to achieve partial nitritation. Two sets of batch experiments were carried out to study the effect of ammonia concentration and salinity on the activity of ammonia-oxidizing bacteria (AOB). Activity of AOB raised as free ammonia concentration was increased reaching its maximum value ...
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Application of PTFE membrane for ammonia removal in a membrane contactor
The feasibility of a membrane contactor system for ammonia removal was studied. The mass transfer coefficient was used to quantitatively compare the effect of various operation conditions on ammonia removal efficiency. Effective removal of ammonia was possible with a Polytetrafluoroethylene (PTFE) membrane contactor system at all tested conditions. Among the various operation parameters, contact ...
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Nitrification of centrate from dewatering of anaerobically digested sludge
Nitrification of anaerobically digested sludge centrate was studied in bench-scale suspended growth and fixed film enhanced suspended growth systems at temperatures of 10.5-28.5°C and pH values of 6.0-9.1. Nitrification followed zero-order kinetics in both systems, and ammonia removals in excess of 99% were observed. The temperature dependency of the suspended growth nitrification rate ...
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