ammonia stripping Articles
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Ammonia Stripper Projects SUEZ - Case Study
The project objective is to use excess biogas to generate heat to drive an ammonia stripping ...
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Sequential treatment of an old-landfill leachate
This work investigates the performance of combined techniques applied to the treatment of an old-landfill leachate, which presents high salinity, low biodegradability (BOD5/COD around 0.05) and high ammonia concentration. Three sequences of processes were employed, including coagulation/flocculation, chemical oxidation, biological treatment and ammonia stripping. The association of ...
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Analysis and optimization of ammonia stripping using multi-fluid model
Ammonia recovery from anaerobic digestion (AD) is a notably beneficial process for removing excess nitrogen, producing low cost fertilizer and enhancing odor abatement. A process was developed for nutrients recovery by integrating a simple and effective stripping process with AD system. To design, optimize and scale up this system, multi-fluid model was developed to simulate flow, mass transfer ...
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Stripping Ammonia in Anaerobic Digesters
GIVEN its high population density, coupled with the demanding environmental standards enforced by the Environmental Protection Department, it is not surprising that Hong Kong served as the incubator for our process to remove ammonia from wastewater. What has resulted is a novel thermal ammonia stripping technology, which has low operating costs, high standards, and a small footprint. Since 1997, ...
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The removal of ammonia from sanitary landfill leachate using a series of shallow waste stabilization ponds
This study evaluated the efficiency of a shallow (0.5 m deep) waste stabilization pond series to remove high concentrations of ammonia from sanitary landfill leachate. The pond system was located at EXTRABES, Campina Grande, Paraiba, Northeast Brazil. The pond series was fed with sanitary landfill leachate transported by road tanker to the experimental site from the sanitary landfill of the City ...
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Waste-fed heating and power plant - Wastewater treatment plant for the treatment of flue gas washing water - Case Study
The multi-step process for the treatment of the highly acidic wastewater was designed to remove wastewater constituents as purely as possible from the wastewater. 1st stage: Separation of coal dust and activated carbon powder The acidic wastewater is filtered through a membrane filter press. Before emptying and draining, the filter residue is washed to remove acid residues. A white gypsum can ...
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From Wastewater Treatment to Sweet Pineapples
In wastewater treatment, ammonia that is removed from sewage used to be discharged directly to the atmosphere. Nowadays, studies have identified that ammonia emissions are of major concern to air quality. This has led to a new way of thinking. Sulzer offers modern closed-air-loop systems for wastewater treatment that transform ammonia into a common soil fertilizer. This reuse of a waste product ...
By Sulzer Ltd.
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Distillation of oil field produced water for reuse on irrigation water: evaluation of pollutants removal and ecotoxicity
Desalination is one of the earliest forms of saline water treatment and it is still used throughout the world. In this work, a single-effect mechanical vapor compression (MVC) process was investigated to produce water for irrigation of non-edible cultures from oil-field produced water. Distillation was able to produce a condensate presenting very low amounts of 84 analyzed pollutants. ...
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Recovery of ammonium from digestate as fertilizer
Ammonia inhibition can be a major problem during anaerobic digestion of manure and municipal and industrial sludges. Anaerobic digestion is sensitive to higher NH3-N concentrations, which are inhibiting and at certain levels even toxic for methanogen bacteria. The Nijhuis Ammonium Recovery (AECO-NAR) system can solve this problem and removes ammonium from digestate or other substrate for ...
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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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The ion-exchanger–loop-stripping process: ammonium recovery from sludge liquor using NaCl-treated clinoptilolite and simultaneous air stripping
The technical feasibility of an ammonium recovery process (‘ion-exchanger–loop-stripping’) for sludge liquor from municipal wastewater treatment plants is examined. The proposed process combines ion-exchange on natural zeolites with simultaneous air stripping of ammonia to produce an industrial NOx-removal agent. Column experiments with continuously recycled NH4Cl-solutions and a real sludge ...
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