Ammonia removal from agricultural runoff and secondary effluents by selected ion exchange

  • 52 Pages
  • 2.25 MB
  • English
Federal Water Pollution Control Adm. , Cincinnati, Ohio
Water -- Purification -- Ion exchange process, Agricultural wastes, Am
SeriesRobert A. Taft Water Research Center report -- no. TWRC-5, Advanced Waste Treatment Research Laboratory -- V, Report (Robert A. Taft Water Research Center) -- no. TWRC-5, Advanced Waste Treatment Research Laboratory (Series) -- 5
ContributionsRobert A. Taft Water Research Center
The Physical Object
Paginationiv, 52 p.
ID Numbers
Open LibraryOL15443360M


Ion Exchange chromatography for ammonia removal involves passing the effluent through zeolite packed columns. The column containing Clinoptilolite (a form of Zeolite) has high affinity towards NH4+ ions and is able to scavenge all traces of the pollutant in the effluent. Ammonium removal by ion exchange is also used in the aquaculture industry where water is recirculated.

Complete removal of ammonia is required due to its extreme toxicity to most fish species. Aquaculture occasionally requires water to be cool (∼10°C), which is an unsatisfactory temperature for many biological by: Removal of ammonia from wastewater by ion exchange in the presence of organics.

CONTENTS Page number ABSTRACT II ACKNOWLEDGEMENTS IV INTRODUCTION 1 WASTEWATER AND THE ENVIRONMENT 1 AMMONIA IN WASTEWATER 1 AMMONIA REMOVAL METHODS 5 ION EXCHANGE 5 Ion exchange equilibrium 6. Northwest Batelles Ammonia removal from agricultural runoff and secondary effluents by selected ion exchange Roberts A.

Taft, Wat. Res. Center Report No. TWRC-5 ()Cited by:   Characteristics and design data for a 10 MGD ( m3 d ~) ion exchange plant for phosphates and ammonia removal from secondary effluents Anion exchange section Cation exchange section Resin Kastel A (1) Clinoptilolite (2) Resin cost ($ m {3) Bulk density (kg m- 3) Particle size 20 50 U.S.

Details Ammonia removal from agricultural runoff and secondary effluents by selected ion exchange FB2

mesh Design flow rate of ammonia and/or nitrogen-containing compounds that may readily form ammonia. It is often easier and less expensive to remove nitrogen from wastewater in the form of ammonia than to convert it to nitrate-nitrogen before removing it (Culp et al., ).

Ammonia (a weak base) reacts with water (a weak acid) to form ammonium hydroxide. In ammonia.

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Ammonia Removal from Agricultural Runoff and Secondary Effluents by Selected Ion Exchange, Report No. TWRC 5, FWPCA, Washington, D.C. Treatment of secondary sewage effluent by anion exchange has been investigated.

A number of strong-base anion exchange resins were employed in laboratory trials to determine their suitability for. Ames, L.L. Zeolitic removal of ammonium ions from agricultural and other wastewaters. Proc. 13th Pacific Northwest Industrial Waste Conference, Washington State University, Pullman.

Anon. Ammonia removal from agricultural runoff and secondary effluents by selected ion exchange. Robert A. Taft Water. The scope of this study was the removal of ammonium by ion exchange from simulated wastewater.

The study looks at the effect of organics upon ammonium ion exchange equilibrium uptake. The ion. Ammonia nitrogen removal is in the order of 5 to 6 g ammonia N/M 2 marsh area/day. However, the effluent quality needed for discharge into the environment was not achieved in test marsh systems.

The marsh must be made two or three times longer to obtain the desired effluent quality. level mine water, several ion-exchange resins and zeolites were tested and compared based on the amount of water that could be treated per unit volume of resin.

For the high concentration ammonia water linear regression relationships were determined which model the removal of ammonia as a function of the applied chlorine dose.

After ion exchange, the ammonium saturated zeolite can be applied to th e field as nitrogen fertilizer (Bolan et al. ), used for ammonia recovery by ammonia stripping and acid absorption. The selective ion exchange process for ammonia nitrogen (commonly called ammonia) removal from wastewater is believed to be best suited for use in those areas which experience prolonged periods of freezing weather during winter and where very high degrees of removal must be consistently maintained.

The removal of the ammonium and phosphorous from the synthetic industrial effluent by the ion exchange resins was studied in this paper, aiming at the determination of the effects of competitive. (2) During winter operation (lower temperatures), treatability levels would fall below acceptable standards.

SELECTED ION EXCHANGE In other research, Bingham, et^ al. (5) concluded that ion exchange offered the best solution to the ammonia and nitrate removal from the effluent from the Harrison, Tennessee, plant.

9Battelle Northwest, "Ammonia Removal From Agricultural Runoff and Secondary Effluents by Selective Ion Exchange," Robert A. Taft Water Research Center Rep. TWRC-5, Mar. 10University of California, "Optimization of Ammonia Removal by Ion Exchange Using Clinop- tilolite," U.S.

Environmental Protection Agency Water Pollution Control. Ammonia Data Book May Chapter Three Ammonia and the Environment pHs, is the ammonium ion.

In media where water is usually present, such as soil, plants, biological tissue, and water itself, ammonia and ammonium are in dynamic effluent from industrial processes, runoff from fertilized fields, and runoff from areas.

It has become apparent that the presence of ammonia in water has far more serious implications than merely serving as an index of recent pollution (see Mercer, B.M. et al., "Ammonia Removal from Agricultural Runoff and Secondary Effluents by Selective Ion Exchange," Pacific Northwest Laboratories (Battelle), December, ).

Some natural resin, such as zeolite, is used in removing ammonia from wastewater and clinoptilolite is one of the best zeolites in ammonia removal ion exchange. (ammonia mass removal) Fig 5. WWTP centrate treatment (ammonia mass removal) Fig 6. WWTP final effluent treatment (ammonia polishing) Fig 7.

Ammonia in Ammonia Capture Ionic Fluid fully destroyed in the Regenerator Fig 8. Ammonium sulfate production option.

Ammonium sulfate max concentration of %. Fig 9. • Man- caused sources- runoff from urban area, municipal wastewaters, drainage from agricultural lands and industrial wastes.

BREAK POINT CHLORINATION- • It is widely used process that oxidises ammonia to nitrogen gas. • It is effluent polishing technique only not for removal of high level of nitrogen. ION EXCHANGE- • A filtered.

Lahav O., Green M. () Bioregenerated ion exchange process: The effect of the biofilm on the ion exchange capacity and kinetics. Water SA, 26(1): Lahav O., Green M. () Ammonium removal from primary and secondary effluents using a bioregenerated ion-exchange process. Water Sci. Technol., 42(): (2) Ion-exchange Electrostatic forces hold ions to charged functional groups on the surface of the ion exchange resin The adsorbed ions replace ions that are on the resin surface on a charge basis Applications of ion exchange in water & wastewater Removal of NO 3, NH 4, PO 4 (nutrient removal.

Industrial wastewater treatment describes the processes used for treating wastewater that is produced by industries as an undesirable by-product.

Description Ammonia removal from agricultural runoff and secondary effluents by selected ion exchange FB2

After treatment, the treated industrial wastewater (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment.

Most industries produce some trends have been to minimize such production or. Ammonia can enter the aquatic environment via direct means such as municipal effluent discharges and the excretion of nitrogenous wastes from animals, and indirect means such as nitrogen fixation, air deposition, and runoff from agricultural lands.

How does Ammonia affect Aquatic Life. When ammonia is present in water at high enough levels, it. Effluent Final Effluent Irrigation / Aquaculture High productivity High protein content Easy handling Duckweed Feed source for fish and livestock El-Shafai S.

et al. COD Removal Seambiotic, Ltd (Israel) Algae Cultivation Open Reactors Valcent Products Inc. (UK) Closed Reactors • Smaller area required • Minimize water loss. Number of results to display per page.

20 per page. 20 per page; 50 per page; per page; Search Results. However, they remove very little phosphorus, nitrogen, non-biodegradable organics, or dissolved minerals.

Data on effluent quality from selected secondary treatment plants in California are presented in Table Table QUALITY OF SECONDARY EFFLUENT AT SELECTED WASTEWATER TREATMENT PLANTS IN CALIFORNIA. processes, advanced filtration, carbon adsorption, ion exchange, and disinfection.

Sludge is produced in all of the primary, secondary and tertiary stages of treatment. Sludge that is produced in primary treatment consists of solids that are removed from the wastewater and. The remaining nutrients are lost to the environment.

Methods to reclaim ammonia are limited to high temperature ammonia stripping, or ion exchange with acid stripping of NH 3 to form dilute solutions of ammonium sulfate or ammonium nitrate.

Those methods require chemical reactants and produce products having little economic value.Secondary treatment is a treatment process for wastewater (or sewage) to achieve a certain degree of effluent quality by using a sewage treatment plant with physical phase separation to remove settleable solids and a biological process to remove dissolved and suspended organic compounds.

After this kind of treatment, the wastewater may be called as secondary-treated wastewater.