moving bed bioreactor Articles
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Monitoring endocrine activity in kraft mill effluent treated by aerobic moving bed bioreactor system
A Moving Bed Bioreactor (MBBR) was operated at three different hydraulic retention times for a period of 414 days. The fate of the extractive compounds and the estrogenic activity of the Pinus radiata kraft mill effluents were evaluated using Yeast Estrogen Screen (YES) and gas chromatography – mass spectrometry (GC-MS) detection. Results show that the MBBR reactor is able to remove between ...
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Pros & Cons - Moving Bed Bioreactor Technology
A moving bed bioreactor is a biological wastewater treatment process. In many instances, wastewater is full of organic matter that can be difficult to filter out by chemical or physical means. Therefore, one of the best methods of dealing with organic matter is treating it with a biological process. The basic idea behind the biological water treatment processes is using micro-organisms to break ...
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PEWE Rumiano Cheese Case Study
The new lactose crystallization facility at Rumiano Cheese, Crescent City CA necessitated both more area to put it and an improved wastewater treatment system to handle the resulting increased discharge flow. Space was very tight on the one city block the plant occupies. First Rumiano purchased the last remaining non-company owned lot, cleared the existing apartment building and then started ...
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Operation of an anaerobic filter compared with an anaerobic moving bed bioreactor for the treatment of waste water from hydrothermal carbonisation of fine mulch
This experimental study investigates the anaerobic digestion of waste water from hydrothermal carbonisation of fine mulch (wood chips) in combination with a co-substrate for the first time. Two anaerobic reactors, an anaerobic filter (AF) and an anaerobic moving bed bioreactor (AnMBBR), were operated over a period of 131 days at mesophilic conditions. The organic loading rate was increased to ...
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Organic matter capture by a high-rate inoculum-chemostat and MBBR system
The main objective of this study was to develop an innovative process to maximize the bio-transformation of colloidal and soluble biodegradable matter (CSB) into particulate matter (XB) for energy recovery via methane production. Two configurations were studied: (1) high-rate moving bed bioreactor (HR-MBBR) and (2) inoculum-chemostat (IC) system consisting of a very HR-MBBR inoculating a ...
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Optimization of a mainstream nitritation-denitritation process and anammox polishing
This paper deals with an almost 1-year long pilot study of a nitritation-denitritation process that was followed by anammox polishing. The pilot plant treated real municipal wastewater at ambient temperatures. The effluent of high-rate activated sludge process (hydraulic retention time, HRT = 30 min, solids retention time = 0.25 d) was fed to the pilot plant described in this ...
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Chocolate, Candy and Snack Cake Manufacturer - Case Study
A world renowned sweets manufacturer located just outside the heart of a major city in Mexico, produces sweet marshmallow chocolate-covered products. Faced with space limitations and increased discharge regulations, this processor needed to find a primary wastewater treatment system that would solve their regulatory issues, be expandable for the ever-growing company and fit within a small ...
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Start-up of two moving bed membrane bioreactors treating saline wastewater contaminated by hydrocarbons
This work aims to assess the acclimation of microorganisms to a gradual increase of salinity and hydrocarbons, during the start-up of two moving bed membrane bioreactors (MB-MBRs) fed with saline oily wastewater. In both systems an ultrafiltration membrane was used and two types of carriers were employed: polyurethane sponge cubes (MB-MBRI) and polyethylene cylindrical carriers (MB-MBRII). A ...
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Wastewater Treatment Process
The wastewater treatment process is complex and critical to civilization. In simplest terms, wastewater is water that has been mixed with waste matter. Wastewater can be classified as domestic, municipal, or industrial based upon the source of generation. For instance, domestic wastewater comes from everyday liquid waste, including water used to flush the toilet, to shower, or to wash dishes. ...
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Evaluation of different configurations of hybrid membrane bioreactors for treatment of domestic wastewater
Four membrane bioreactors (MBRs) with the same dimensions were studied for 180 days: three hybrid growth membrane bioreactors with biofilm attached in different packing media and a conventional MBR (C-MBR). The four MBRs had an identical membrane module of hollow fiber with a nominal porous diameter of 0.4 μm. The MBRs were: (1) a C-MBR; (2) a moving bed membrane bioreactor (MB-MBR), ...
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Trace organics removal using three membrane bioreactor configurations: MBR, IFAS-MBR and MBMBR
Seventeen pharmaceutically active compounds and 22 other trace organic pollutants were analysed regularly in the influent and permeate from a semi-real plant treating municipal wastewater. The plant was operated during 29 months with different configurations which basically differed in the type of biomass present in the system. These processes were the integrated fixed-film activated sludge ...
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Effect of salinity variation on the autotrophic kinetics of the start-up of a membrane bioreactor and hybrid moving bed biofilm reactor-membrane bioreactor at low hydraulic retention time
A membrane bioreactor (MBR) and a hybrid moving bed biofilm reactor-membrane bioreactor (hybrid MBBR-MBR) for municipal wastewater treatment were studied to determine the effect of salinity on nitrogen removal and autotrophic kinetics. The biological systems were analyzed during the start-up phase with a hydraulic retention time (HRT) of 6 h, total biomass concentration of 2,500 mg L−1 in the ...
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7 Disadvantages of Implementing an Activated Sludge Process For Your Municipality or Company
Biological treatment processes are an important component in many wastewater treatment systems. They are one of the most efficient and effective ways of reducing organic material in wastewater. There are quite a few of them that have been researched and used over several decades. However, one of the most widely used conventional biological treatment process is the activated sludge process (ASP). ...
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Start-up of membrane bioreactor and hybrid moving bed biofilm reactor–membrane bioreactor: kinetic study
A hybrid moving bed biofilm reactor–membrane bioreactor (hybrid MBBR-MBR) system was studied as an alternative solution to conventional activated sludge processes and membrane bioreactors. This paper shows the results obtained from three laboratory-scale wastewater treatment plants working in parallel in the start-up and steady states. The first wastewater treatment plant was a MBR, the ...
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Primary Treatment Methods for Suspended Solids in Wastewater
Primary treatment methods for suspended solids in wastewater can seem like a daunting task. Indeed, when it comes to managing and treating wastewater, one of the biggest hurdle often is… The primary treatment of suspended solids in wastewater. This is what separates an average water management system from a sustainable one. However, if you don’t know how to effectively remove ...
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Aqwise`s poster at the 2008 Weftec convention - Distribution of microbial population within a moving bed bio-film reactor (MBBR) combining a `denitrfiltration` unit
Introduction At high influent N levels , there is a need in Pre- and Post (Endogenous)-denitrification stages, requiring addition of an external electron donor. Systems based on the MBBR (Moving Bed Bio-film Reactor) process have high potential for treating domestic and industrial wastewater. Among process advantages: Elimination of sludge recirculation, Efficient ammonia and organic ...
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Further Meat Processing: GEM + MBBR - Case Study
Introduction A facility specializing in poultry processing with operations in roast beef, poultry and ham cook operations, was utilizing a moving bed bio film reactor (MBBR) for BOD reductions prior to discharge to the local municipality. Challenge The MBBR was designed without pretreatment prior to the biological process. Due to an increase in production and the introduction of the roast beef ...
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Design configurations for commercial application of biomass carriers in small wastewater treatment plants
Introduction Moving bed type reactors are bio-film processes utilizing small, plastic biomass carriers that mix in the water. The use of biomass carriers is becoming common world-wide, for many applications, some of which are: compact low operation units, industrial wastewater roughing filters, retrofit and upgrade of municipal wastewater treatment plants. The AGARTM Process (Attached Growth ...
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Decoding Principles of Industrial Wastewater Treatment
Understanding Industrial Wastewater Treatment The world of industrial wastewater is vast and varied, encompassing a broad spectrum of waste liquids. These are typically generated during various industrial treatment processes such as manufacturing or production activities. A key player in this arena is production wastewater, which stems from the use of water in numerous processing operations. ...
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Synergistic application of advanced primary and secondary wastewater treatment systems
Published in Water and Waste Digest membrane issue, November 2008 Miroslav Colic; Chief Scientist, Clean Water Technology Inc., Los Angeles, CA To be published in Water and Waste Digest later this year The increased regulatory pressures and demand for reused water stimulated development of several new wastewater technologies in the last decade. Advanced treatment systems are characterized by ...
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