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Subject: "upflow anaerobic sludge blanket reactor" - PubAg .

BACKGROUND: The aim of the present research was to provide a strategy for the start‐up of upflow anaerobic sludge blanket (UASB) reactors treating sugar cane vinasse, with emphasis on the relevant sulfur compounds along the reactor height. To this end, a laboratory‐scale UASB reactor was started up and its performance under the applied .

Phenotypic Properties and Microbial Diversity of .

Sludge source. Anaerobic granular sludge from full-scale UASB reactors treating brewery wastewaters (MAHOU, Guadalajara, Spain) was used. The reactor was operated at an organic loading rate of 11 kg chemical oxygen demand (COD)/m 3 · day and a hydraulic residence time of 8 h. The upflow velocity applied was 0.75 m/h.

Factors Affecting BOD5 and TSS Removal from Wastewater .

The purpose of this study is to investigate the efficiency of the UASB reactors (Upflow Anaerobic Sludge Blanket) at the laboratory scale in processing the mixture of domestic wastewater (greywater and black water). Two parameters of influent concentration and the upflow velocity were changed for the evaluation.

EFFICIENCY OF UPFLOW ANAEROBIC GRANU- LATED SLUDGE .

A laboratory scale UASB reactor was fabricated with a capacity of 3.58 L total volume and 0.58 L for separator volume by means of PVC pipe. The inter-nal diameter of the reactor was 0.78 L and the aperture area was 20% of the cross sectional area. Provision for gas collection was made on the top of the reactor.

Laboratory scale upflow anaerobic sludge blanket (UASB) trial

Laboratory scale trials using bench-scale UASB reactors. We recommend laboratory scale UASB trials are used as the 2nd stage of assessment to assess the amenability of the feedstock for treatment using UASB technology following BMP testing. UASB trials consist of Bench scale reactors operated at conditions tailored to the specific project .

AFMBR- Laboratory-scale reactor built at Penn State - YouTube

Jun 29, 2016 · This very short video (5 seconds) shows how recirculation of the water (upflow) keeps the granular activated carbon (GAC) suspended and bumping against the hollow fibers to greatly reduce fouling.

A Preliminary Laboratory Investigation of Methane Generation

A preliminary laboratory study was conducted using upfl ow anaerobic sludge blanket (UASB) reactor to investigate the potential of methane generation from brewery wastewater. Brewery wastewater from a local brewery company was collected and used in the experiments. The .

Laboratory scale upflow anaerobic sludge blanket (UASB) trial

Laboratory scale trials using bench-scale UASB reactors. We recommend laboratory scale UASB trials are used as the 2nd stage of assessment to assess the amenability of the feedstock for treatment using UASB technology following BMP testing. UASB trials consist of Bench scale reactors operated at conditions tailored to the specific project .

Ana-Flo™ Reactor - WesTech Engineering, Inc.

The Ana-Flo, a methanogenic (methane producing) reactor configured as an upflow anaerobic sludge blanket (UASB) system, can be used as a pretreatment stage for waste streams with elevated levels of BOD and COD. It works by consuming the influent carbon in a temperature-controlled environment under the absence of oxygen.

UASB REACTOR STARTUP FOR THE TREATMENT OF .

Start-Up of UASB Reactor The whole treatment process was performed in the laboratory where the temperature varied from 25 ºC – 35 ºC over two months. Both reactor and mix-ing tank were connected with tubes to transfer the liquid. Two UASB reactors were constructed with 5 mm thick transparent acrylic material with inner

upflow anaerobic sludge blanket reactor: modelling .

6.1 STUDY CASE FOR THE PRELIMINARY MODEL Sponza and Uluköy (2008) used a stainless steel UASB laboratory-scale reactor (Figure 27) to treat synthetic wastewater containing glucose. The UASB reactor had an effective volume of 2.5 L with a height of 100 cm and an internal diameter of 6 cm. The temperature was maintained at 37 oC.

(PDF) Performance of an UASB Reactor at Lab-Scale Treating .

A lab scale UASB reactor (6.1 l volume, PVC) was used in this study. The UASB reactor was . inoculated with sludge from a full-scale UASB . reactor treating brewery wastewater and it was .

Wastewater Technology Fact Sheet: Sequencing Batch Reactors

The sequencing batch reactor (SBR) is a fill-and-draw activated sludge system for wastewater treatment. In this system, wastewater is added to a single "batch" reactor, treated to remove undesirable components, and then discharged. Equali zation, aeration, and clarification can all be achieved using a single batch reactor. To optimize

Nutrient mineralization and organic matter reduction .

Three similar lab-scale UASB and EGSB reactors were set up in series (Fig. 1). The Wageningen University & Research Centre (WUR; Wageningen, The Netherlands) housed two sets of these reactors (UASB I+EGSB I and UASB II+EGSB II) while the Integrated and Urban Plant Pathology Laboratory of the Université de Liège (ULiège, Bel-

Application of UASB Reactor in Industrial Wastewater .

2.1 Treatment of Industrial Waste water using UASB reactor . Two laboratory scale UASB reactors were operated in parallel at ambient room temperature of 25-29°C for the treatment of petroleum refinery wastewater. Each reactor volume was 2.36L and fed the biomass obtained from .

Approaches in Design of Laboratory-Scale UASB Reactors

Up-flow Anaerobic Sludge Blanket (UASB) reactors are popular tools in wastewater treatment systems due to the ability to work with high feed rates and wastes with high concentration of organic contaminants. While full-scale industrial applications of UASB reactors are developed and described in the available literature, laboratory-scale designs utilized for treatability testing are not well .

UASB-Reaktor • BiogasWorld

UASB or EGSB Reactors use gas/liquid/solids (GLS) separators and overflow weirs in the reactor top section to separate biogas and biomass and settle and return biomass to the reactor sludge bed. IB-MR developed a novel type of GLS separator with special emphasis on simple design with good hydraulic characteristic in order to achieve optimal .

Treatment of UASB-treated recycled paper wastewater using .

The investigation was carried out using a lab scale UASB reactor as primary biological treatment. The working volume of UASB was 750 mL and HRT 24 h. Approximate 90% COD and TSS removal efficiency were obtained by UASB. The COD and TSS concentration of wastewater was decreased from 4292.41±58.99 mg/L to 473.57±14.64 mg/L and 135 ±10.13mg/L .

Ph.D., Engr. Lea Chua Tan - Research Engineer - BIOTHANE .

At pH 5.0, the UASB reactor showed a 20–30% decrease in reactor performance compared to operation at pH 5.5 to 7.0, reaching removal efficiencies of 79%, 15%, 43% and 61% for NO3−, SO42−, Setotal and Sediss, respectively. However, the reactor stability was an issue upon lowering the pH to 5.0 and further experiments are recommended.

DETERMINATION OF KINETIC PARAMETERS OF A LAB-SCALE .

the bottom part of the reactor, even when the reactor suffers of hydraulic shocks (CAMPOS et al., 2003). The incorporation of an internal gas-liquid-separator (GLS) helps the reactor to work with higher CRT, even when the HRT is quite low. Considering that the scientific literature does not have any kinetic studies in lab-scale of UASB reactors

UASB Reactor - Upflow Anaerobic Sludge Blanket

Nov 07, 2011 · Q: Our UASB reactor is not producing adequate sludge granulation or biomass. It starts to build biomass and get good COD removal, but then the granules disperse. We have influent that contains terephthalic acid and acetic acid and conditions that are adequate for methanogens (Temperature at 37.2°C (99°F) and pH 6.8-7.2).

Treatment of UASB-treated recycled paper wastewater using .

The investigation was carried out using a lab scale UASB reactor as primary biological treatment. The working volume of UASB was 750 mL and HRT 24 h. Approximate 90% COD and TSS removal efficiency were obtained by UASB. The COD and TSS concentration of wastewater was decreased from 4292.41±58.99 mg/L to 473.57±14.64 mg/L and 135 ±10.13mg/L .

Characterization of Sewage, Design of Laboratory Scale .

May 25, 2018 · Abstract-The lab scale upflow anaerobic sludge blanket reactor UASB seeded with cow dung manure was used to treat the waste water from M Dasan Institute of technology having medium strength. The cow dung seed sludge required a period of 120 days for acclimatization and the sludge bed of the reactor was stabilized in a period of 20 days and the .

upflow anaerobic sludge blanket reactor: modelling .

6.1 STUDY CASE FOR THE PRELIMINARY MODEL Sponza and Uluköy (2008) used a stainless steel UASB laboratory-scale reactor (Figure 27) to treat synthetic wastewater containing glucose. The UASB reactor had an effective volume of 2.5 L with a height of 100 cm and an internal diameter of 6 cm. The temperature was maintained at 37 oC.

A successful strategy for start-up of a laboratory-scale .

BACKGROUNDThe aim of the present research was to provide a strategy for the start‐up of upflow anaerobic sludge blanket (UASB) reactors treating sugar cane vinasse, with emphasis on the relevant sulfur compounds along the reactor height. To this end, a laboratory‐scale UASB reactor was started up and its performance under the applied .

Filamentous granular sludge bulking in a laboratory scale .

A laboratory scale UASB reactor, made of perspex, with working volume of 1.4 L was used in this study for present investigation. The three-phase separator was set out of the reactor. A peristaltic pump was employed for the influent and another for recirculation. The recirculation ratio was set to be 34:1 to achieve an upflow velocity of 1 m/h .

Anaerobic treatment of glutamate-rich wastewater in a .

To investigate the anaerobic treatment efficiency and degradation pathways of glutamate-rich wastewater under various hydraulic retention times (HRTs), a lab-scale upflow anaerobic sludge blanket (UASB) reactor was operated continuously for 180 days.

Ph.D., Engr. Lea Chua Tan - Research Engineer - BIOTHANE .

At pH 5.0, the UASB reactor showed a 20–30% decrease in reactor performance compared to operation at pH 5.5 to 7.0, reaching removal efficiencies of 79%, 15%, 43% and 61% for NO3−, SO42−, Setotal and Sediss, respectively. However, the reactor stability was an issue upon lowering the pH to 5.0 and further experiments are recommended.

Phenotypic Properties and Microbial Diversity of .

Sludge source. Anaerobic granular sludge from full-scale UASB reactors treating brewery wastewaters (MAHOU, Guadalajara, Spain) was used. The reactor was operated at an organic loading rate of 11 kg chemical oxygen demand (COD)/m 3 · day and a hydraulic residence time of 8 h. The upflow velocity applied was 0.75 m/h.

Treatment of Petroleum Refinery Wastewater by using UASB .

Two laboratory-scale up-flow anaerobic sludge blanket (UASB) bioreactors were operated in parallel at room temperature (25-29°C). Reactor volume, diameter and height were 2.36 L, 94 mm and 430 mm, respectively. It was operated with an internal effluent recycle ratio of 1:1 to well distribute the influent and provide better mixing.