Our Products

Rotary Evaporator

Laboratory equipment

Jacketed Reactor

Contact Us

We Cherish All Interactions

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 .

Preliminary analysis of Chloroflexi populations in full .

Aims. The phylum Chloroflexi is frequently found in high abundance in methanogenic reactors, but their role is still unclear as most of them remain uncultured and understudied. Hence, a detailed analysis was performed in samples from five up‐flow anaerobic sludge blanket (UASB ) full‐scale reactors fed different industrial wastewaters.

(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 .

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.

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 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

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.

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 .

Enhancement of overloaded waste stabilization ponds using .

Highlights. Extensive data acquisition at waste stabilization ponds (WSP) in sub-Sahara Africa.Load reduction for WSP enhanced by UASB and micro sieve.First ap

Tracer Studies in a Laboratory and Pilot Scale UASB Reactor

Residence time distribution studies on laboratory and pilot scale upflow anaerobic sludge blanket reactors (UASB) were carried out in order to measure and evaluate the influence, on the reactor's hydraulic performance, of the biogas collection device position (gas-liquid-solid separator), of the presence of granular sludge and of the arrangement of the influent distribution system within the .

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 .

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 .

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.

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 .

Review of Upflow Anaerobic Sludge Blanket Reactor .

The upflow anaerobic sludge blanket (UASB) reactor has been recognized as an important wastewater treatment technology among anaerobic treatment methods. The objective of this study was to perform literature review on the treatment of domestic sewage using the UASB reactor as the core component and identifying future areas of research. The merits of anaerobic and aerobic bioreactors are .

(PDF) Challenges in UASB reactor system design: A Review

The study was carried out at ambient (26-39°C) conditions, in a laboratory scale reactor of effective volume of 8.4 ltrs. The reactor was operated in two phases. . (UASB) reactors, anaerobic .

A Preliminary Laboratory Investigation of Methane .

Apr 24, 2017 · A preliminary laboratory study was conducted using upflow 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 experiments were run for 15 days.

Preliminary analysis of Chloroflexi populations in full .

Aims. The phylum Chloroflexi is frequently found in high abundance in methanogenic reactors, but their role is still unclear as most of them remain uncultured and understudied. Hence, a detailed analysis was performed in samples from five up‐flow anaerobic sludge blanket (UASB ) full‐scale reactors fed different industrial wastewaters.

Hydraulics of laboratory and full‐scale upflow anaerobic .

Jun 23, 2005 · Laboratory‐scale upflow anaerobic sludge blanket (UASB) reactors are often used as test platforms to evaluate full‐scale applications. However, for a given volume specific hydraulic loading rate and geometry, the gas and liquid flows increase proportionally with the cube root of volume.

Biogas Emission from an Anaerobic Reactor

The UASB Reactor Set up and Operating Condition The inoculum of UASB reactor was anaerobic sludge obtained from the Wangtang municipal wastewater treatment plant in Anhui province, China. The configuration of UASB reactor was shown in Fig. 1, working volume was 4.5 L, the operating temperature maintained at 35 ± 2°C by a constant

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 .

Upflow Anaerobic Sludge Blanket Reactor - an overview .

A selection of UASB technology was made for a number of reasons, i) the waste characteristics met the design criteria for treatment in a UASB,ii) the laboratory studies were performed using a UASB reactor and iii) the UASB is a widely used technology.

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).

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.

Upflow Anaerobic Sludge Blanket Reactor - an overview .

A selection of UASB technology was made for a number of reasons, i) the waste characteristics met the design criteria for treatment in a UASB,ii) the laboratory studies were performed using a UASB reactor and iii) the UASB is a widely used technology.

Treatment of high-strength synthetic sewage in a .

The organic loading rate (OLR) of the UASB reactor was increased gradually from 1.1 to 3.8 gCOD L r 1 d 1. At steady state condition, the UASB reactor achieved removal efficiency up to 83.5% of total COD (COD tot), 74.0% of volatile fatty acid (VFA) and 94.0% of protein.

Degradation of Methanethiol by Methylotrophic Methanogenic .

In a lab-scale upflow anaerobic sludge blanket reactor inoculated with granular sludge from a full-scale wastewater treatment plant treating paper mill wastewater, methanethiol (MT) was degraded at 30°C to H2S, CO2, and CH4. At a hydraulic retention time of 9 h, a maximum influent concentration of 6 mM MT was applied, corresponding to a volumetric loading rate of 16.5 mmol liter−1 day−1.

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

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.

Reactores UASB. Investigación Grupo BIOTAR. Universidad de .

Sep 02, 2018 · Como Hacer Un Horno De Leña Paso A Paso /horno de barro/manos de tierra - Duration: 24:12. Manos de Tierra Recommended for you