anaerobic fluidized bed full scale
Post-treatment of anaerobic sulphide and ammonia containing effluents from methane fermentations in high-rate fluidized bed reactors on laboratory and pilot-plant scale, In Proc. NVA-EWPCA Conf., Anaerobic treatment — A grown-up technology
Demonstration of the Anaerobic Fluidized Bed Reactor for Pinkwater Treatment at McAlester Army Ammunition Plant Stephen W. Maloney and Robert L. Heine March 2005 Construction Engineering Research Laboratory . ... in which a near full- scale system was designed and tested by
scale, consisting of an anaerobic expanded bed followed by post- treatment. Jeris (1987) reported on a two year experiment, testing two pilot scale anaerobic fluidized bed reactors, treating primary effluent. One reactor used sand as a carrier, the other granular activated carbon (GAC). Seeding
Of all the anaerobic wastewater treatment processes currently used, the Upflow Anaerobic Sludge Bed (UASB) and the Anaerobic Biofilm Fluidized Bed (ABFB) reactors have an excellent potential to become highly competitive for municipal wastewater treatment. ... Although the former has been successfully used in full- scale treatment plants, the ...
Keywords−− Anaerobic processes, biofilms, com-plex substrates, dynamic modeling, fluidized bed bioreactor, wastewater treatment. I. INTRODUCTION Most full-scale anaerobic reactors have been designed for treating wastewaters from the sugar, starch and brewery industries, where carbohydrates are the main pollutants (Fang and Yu, 2002).
ANAEROBIC PROCESS FUNDAMENTALS. ... Canada, the United States and South America, with over 200 full-scale systems in operation. The reactor configurations may be cylindrical or rectangular, with full-scale reactors volumes varying from 30 to 5500 m3. ... These systems in effect become fluidized-bed reactors without a weighting agent. Their ...
The present invention relates to a process for the anaerobic purification of waste water which comprises a fluidized-bed process in which granular sludge is applied. Moreover apparatus is disclosed for the purification of waste water using a fluidized-bed reactor wherein a liquid introduction device is present which is formed by one or more separate inlet pipes, the pipes delivering the liquid ...
Results are presented on pilot and full‐scale pretreatment of industrial wastewater in an anaerobic 2‐state fluidized bed reactor for CH 4 ‐production and laboratory and pilot scale post‐treatment of the anaerobic effluent, which contains NH and HS − in an aerobic air‐lift suspension reactor for the production of NO and SO.
A fluidized bed reactor (FBR) is a type of reactor device that can be used to carry out a variety of multiphase chemical reactions. In this type of reactor, a fluid (gas or liquid) is passed through a solid granular material (usually a catalyst possibly shaped as tiny spheres) at high enough velocities to suspend the solid and cause it to behave as though it were a fluid.
Anaerobic degradation performance of a laboratory‐scale packed‐bed reactor (PBR) was compared with two fluidized‐bed biofilm reactors (FBRs) on molasses and whey feeds. The reactors were operated under constant pH (7) and temperature (35°C) conditions and …
Aug 19, 2010· A full-scale jet biogas internal loop anaerobic fluidized bed (JBILAFB) reactor, which requires low energy input and allows enhanced mass transfer, was constructed for the treatment of food processing wastewater. This reactor has an active volume of 798 m 3 and can treat 33.3 m 3 wastewater per hour. After pre-treating the raw wastewater by ...
May 22, 2018· Construction is now underway for the project to test the staged anaerobic fluidized-bed membrane bioreactor, or SAF-MBR technology, at a larger scale. ... Craig Criddle and Bill Mitch, estimate that a full-scale anaerobic plant capable of operating at 15 million gallons per day might save as much as $3,000 per day in energy demand over a ...
fluidized bed or expanded bed system. Expanded bed reactors have a bed expansion of 10% to 20% compared to 30% to 90% in fluidized beds. Fluidized Bed Reactor (FBR) In FBR, biomass is attached to surface of small particles (anthracite, high density plastic beads, sand etc.) which are kept in suspension by upward velocity of liquid flow.
This report will describe pilot scale testing of the anaerobic fluidized bed reactor treating primary municipal wastewater effluent. This testing was performed at the University of Massachusetts' pilot wastewater treatment plant. In addition, the potential for full scale anaerobic treatment of municipal wastewater will be discussed.
In turn, developed countries have implemented a few full‐scale fluidized bed reactors in industrial effluent treatment plants. The objective of this paper is to review and critically analyse the process parameters of anaerobic fluidized bed reactor with a view to their possible application in industrial effluent treatment.
Abstract. One of the key parameters in Fluidized Bed reactors is the control of biofilm thickness and configuration. The effect of upflow velocity on performance and biofilm characteristics of an Anaerobic Fluidized Bed Reactor was studied in treating Currant wastewater at various loading rates.
4.3.3 Anaerobic fluidized-bed reactor (AFBR) A diagram of an anaerobic fluidized-bed process is shown in Fig. 4-4 (C). In such systems, the medium to which the microbes adhere is fluidized within the reactor, resulting in conversion of organic materials to CH 4 and CO 2. Anaerobic microbes grow on the surface of the medium, expanding the ...
Aug 15, 2018· Figure 9 Diagrammatic representation of fluidized and expanded bed reactor process (from Ref. 77). Anaerobic Technologies Suppliers and Anaerobic Plants in the Pulp and Paper Industry. Table 13 shows the major suppliers of full-scale anaerobic treatment plants for industrial wastewater and the corresponding technologies.
He found that the anaerobic treatment with fluidized carrier material can expand the application field of anaerobic treatment. ... . They carried out experimentation in a continuous fluidized-bed bioreactor. ... parameters which governs the operation of the pilot-scale reactors treating real anaerobic digester supernatant from a full-scale ...
May 01, 2000· Read "Application of anaerobic fluidized bed reactors in wastewater treatment: a review, Environmental Management and Health" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
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Only two full scale applications of the anaerobic expanded/fluidized bed process for treating industrial wastes have been reported (Switzenbaum, 1983) (Table 4.9). Extensive literature on denifrification in anaerobic fluidized and expanded beds are available but as yet there is little full scale …
COMBINED ANAEROBIC/AEROBIC TREATMENT FOR MUNICIPAL WASTEWATER A Thesis Submitted to the Graduate Faculty of the University of New Orleans in partial fulfillment of the requirements for the degree of Master of Science in The Environmental Engineering Program by Harold Padron B.S., Universidad del Zulia, 2000 May 2004
Anaerobic fluidized beds: Ten years of industrial experience. ... 00550-7 ANAEROBIC FLUIDIZED BEDS: TEN YEARS OF INDUSTRIAL EXPERIENCE T. C. Holst, A. True and R. Pujol Degremont, Department of Wastewater Research and Development, 38 rue du President Wilson, 78230 Le Pecq, France ABSTRACT The Anaflux process, an upflow anaerobic fluidized bed ...
Anaerobic membrane bioreactors have potential for energy-efficient treatment of domestic and other wastewaters, membrane fouling being a major hurdle to application. It was found that fouling can be controlled if membranes are placed directly in contact with the granular activated carbon (GAC) in an anaerobic fluidized bed bioreactor (AFMBR) used here for post-treatment of effluent from ...
Anaerobic fluidized bed systems have been investigated at pilot plant scale for treatment of liquors from thermal sludge conditioning (4) and for a corn starch, waste (5). A 3.66 m (.12 ft). diameter full-scale anaerobic system for treatment of high strength waste has …
In a 1980 Conference in Manchester (WRC/UMIST Conference on Biological Fluidized Bed Treatment of Water and Wastewater, Manchester, England), FBR technology was hailed as the most significant advance in the field of wastewater treatment in the last fifty years, although there was no full-scale …
In this review, attention is paid to highlighting the conceptual and full scale developments of anaerobic fluidized bed reactors, in respect of process performance, design concepts, start-up of ...
The Anaerobic Fluidized Bed Membrane Bioreactor for Energy-Efficient Wastewater Reuse Subject Presentation by Perry McCarty, Stanford University, at the Hydrogen, Hydrocarbons, and Bioproduct Precursors from Wastewaters Workshop held March 18 19, 2015.
Nov 05, 2013· Large scale immobilized cell bioreactors are: moving media, also known as Moving Bed Biofilm Reactor (MBBR) packed bed fibrous bed membrane Source of …
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