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Methane production by treating vinasses from hydrous .

Nov 21, 2012 · Reactor start-up. This study used granular inoculum from a UASB reactor operated to treat vinasse of banana waste, so, the start-up of the modified UASB reactor was subjected to an acclimatization period with an OLR of 0.34 kg COD/m 3-day using 200 ml/day of Synthetic Wastewater (SW) during the first six days after inoculation, 17% CH 4 and 72% COD removal was reached.

Upflow Anaerobic Sludge Blanket Reactor--A Review - PubMed

The UASB reactor is one of the reactor types with high loading capacity. It differs from other processes by the simplicity of its design. UASB process is a combination of physical & biological processes. The main feature of physical process is separation of solids and gases from the liquid and that of biological process is degradation of .

Anaerobic Treatment of Wastewater in Colder Climates Using .

Nov 01, 2016 · The organic loading rate of the UASB reactor and AnMBR was 1.4 and 1.6 g COD/[L·d], respectively, while the hydraulic retention time was around 9 and 10 h. Energy recovery from the wastewater in gaseous methane was 4% and 6% in the UASB reactor and AnMBR, respectively. The methane content was 63% ± 17% and 64% ± 2%, respectively.

UASB Design Calculations Spreadsheet - Low Cost Easy to .

May 17, 2017 · An example UASB design calculations spreadsheet is partially shown in the image below. This Excel spreadsheet can be used to calculate the required UASB reactor volume and dimensions, sludge production rate, methane production rate, and required alkalinity addition based on user input information on wastewater flow and characteristics .

UASB Reactor | SSWM - Find tools for sustainable .

The UASB reactor has the potential to produce higher quality effluent than Septic Tanks, and can do so in a smaller reactor volume. Although it is a well-established process for large-scale industrial wastewater treatment and high organic loading rates up to 10 kg BOD/m3/d, its application to domestic sewage is still relatively new.

UASB Reactor, प्रोसेस रिएक्टर in Porur, Chennai, Watech .

UASB Reactor (Upflow Anaerobic Sludge Blanket Reactor) removes all type of fine bacteria and micro-organisms from ground water. This product is precisely designed and manufactured by making use of prime quality components in line with quality standards by adept professionals.

Application of UASB Reactor in Industrial Wastewater .

The contents presented in this paper focuses on the performance of UASB (Upflow Anaerobic Sludge Blanket) reactor for treating various industrial and domestic wastewaters at various operating conditions. The reactors can be used conveniently for the treatment of tannery, distillery, food processing, metal mining, dairy, domestic wastewater etc.

UASB Reactor, Wastewater Treatment, Water Treatment .

Evolved from anaerobic clarigester, this UASB Reactor is a methanogenic (methane-producing) digester. Engineered using sophisticated technology, this reactor comes with expanded granular sludge bed (EGSB) digester. Process : Reactor uses an anaerobic process while creating a blanket of granular sludge that suspends in the tank

Comparisons Between the UASB and the EGSB Reactor .

The first UASB reactor was applied for a beet sugar refinery in the Netherlands. It was successfully applied as a pilot system and there were lots of full-scale UASB reactors for various industrial wastewaters afterwards. The first publication about the UASB reactor was Dutch in the

Methane production by treating vinasses from hydrous .

Nov 21, 2012 · Reactor start-up. This study used granular inoculum from a UASB reactor operated to treat vinasse of banana waste, so, the start-up of the modified UASB reactor was subjected to an acclimatization period with an OLR of 0.34 kg COD/m 3-day using 200 ml/day of Synthetic Wastewater (SW) during the first six days after inoculation, 17% CH 4 and 72% COD removal was reached.

Application of UASB Reactor in Industrial Wastewater .

The UASB reactor was used to treat the poultry manure wastewater. The reactor volume was 15.7 L and operated for 72 days at mesophilic state (32±2ºC). The temperature was controlled by using two adjustable thermostats. The authors mentioned that in order to increase the efficiency of the diges-

UASB Reactor - Econvert Water & Energy

UASB Reactor. Econvert-UASB ® - The old school solution. Proven for decades and never fully replaced. The robust configuration enables the handling of large varieties of wastewater in .

Anaerobic Digestion of Sugarcane Vinasse Through a .

May 17, 2017 · • The combination of the two anaerobic methanogenic reactors clearly improved the process performance, as a result not only of a higher COD removal efficiency but also of a higher CH 4 and a lower H 2 S content in comparison with the UASB operating as a stand-alone unit.

Chapter 4 Anaerobic Sewage Treatment using UASB Reactors .

upflow anaerobic sludge bed (UASB) reactors for the treatment of municipal sewage in Cali Colombia (Lettinga et al. 1993; Schellinkhout et al. 1985) and Brazil (Vieira and Souza 1986), there has been a rapid increase in the number of large scale municipal UASB sewage treatment plants (STPs) installed in sub-tropical countries.

Upflow Anaerobic Sludge Blanket reactor | Anaerobic .

Influent UASB • Reactor zone – Sludge bed zone – Sludge blanket zone – Contain granular or flocculant sludge • Settling zone – 3-phase separator – Inclusive of Gas system and Effluent system • Also includes – influent distribution system • Flow division and distribution boxes • .

UASB Reactor | SSWM

The upflow anaerobic sludge blanket reactor (UASB) is a single tank process in an anaerobic centralised or decentralised industrial wastewater or blackwater treatment system achieving high removal of organic pollutants. Wastewater enters the reactor from the bottom, and flows upward. A suspended sludge blanket filters and treats the wastewater as the wastewater flows through it.

Performance and microbial community variations of a upflow .

The UASB reactor was continuously operated for 222 days divided into eight phases: (I) the startup stage from day 0 to day 35 at an OLR of 1.0 g-COD/L/d and an HRT of 48 h; (II–VIII) OLR stress periods during days 36–73, 74–97, 98–129, 130–153, 154–175, 176–198, and 199–222 under an HRT of 24 h and OLRs of 2.0, 4.0, 6.0, 8.0, 12 .

Performance of upflow anaerobic sludge blanket (UASB .

UASB reactors have been shown to operate best at around 7 pH, but can cope with a slightly lower value such as 6.5 pH as well. pH values higher than 8 have been shown to cause problems in UASB reactors. Models specific to UASB reactors have been developed to describe flow patterns, mixing patterns and effluent characteristics successfully.

TECHNOLOGY FACT SHEETS FOR EFFLUENT TREATMENT .

UASB REACTOR FS-BIO-009 Page 6 of 9 3.1. Volumetric hydraulic load and hydraulic retention time The volumetric hydraulic load is the volume of wastewater applied daily to the reactor, per unit of volume.

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

Design of UASBR Upflow Anaerobic Sludge Blanket Reactor

The UASB reactor can be designed as circular or rectangular. Modular design can be preferred when the volume of reactor exceeds about 400 m3. It is necessary to select proper range of operating parameters for design, such as, OLR, SLR, superficial liquid upflow velocity (referred as .

BIOPAQ®UASB - PAQUES

The Upflow Anaerobic Sludge Blanket (UASB) process is a frequently applied method in the biological treatment of industrial effluents. Paques has applied the BIOPAQ ® UASB technology for more than twenty years and has standardized the reactor into a modular system. Nearly four thousand BIOPAQ ® modules are in operation worldwide, treating 1,760,000 m 3 of effluent per day.

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 .

Up-Flow Anaerobic Sludge Blanket (UASB) Technology for .

Up-flow anaerobic sludge blanket (UASB) reactor belongs to high-rate systems, able to perform anaerobic reaction at reduced hydraulic retention time, if compared to traditional digesters. In this review, the most recent advances in UASB reactor applications are critically summarized and discussed, with outline on the most critical aspects for further possible future developments.

Operation performance and granule characterization of .

1. Bioresour Technol. 2015 Mar;180:264-73. doi: 10.1016/j.biortech.2015.01.010. Epub 2015 Jan 12. Operation performance and granule characterization of upflow anaerobic sludge blanket (UASB) reactor treating wastewater with starch as the sole carbon source.

Performance and microbial community variations of a upflow .

The UASB reactor was continuously operated for 222 days divided into eight phases: (I) the startup stage from day 0 to day 35 at an OLR of 1.0 g-COD/L/d and an HRT of 48 h; (II–VIII) OLR stress periods during days 36–73, 74–97, 98–129, 130–153, 154–175, 176–198, and 199–222 under an HRT of 24 h and OLRs of 2.0, 4.0, 6.0, 8.0, 12 .

UASB REACTOR PERFORMANCE EVALUATION BASED ON .

Jul 31, 2012 · The UASB reactor works best when desirable micro- organisms are retained as highly active and fast settling granules (NIIST, CSIR). To stop the removal of the sludge with the upflowing gas and wastewater we have to maintain the height of the reactor in such a manner, that it will support the G-L-S separator system to its best.

Biothane UASB | Veolia Water Technologies

Furthermore, the pH-value and temperature are regulated and nutrients are dosed if necessary to achieve optimal growth conditions for the anaerobic biomass in the Biothane UASB reactor. The conditioned wastewater is then pumped at a constant, continuous flow to the Biothane UASB reactor. A special influent distribution system ensures that the .

Application of UASB Reactor in Industrial Wastewater .

The UASB reactor was used to treat sugar industry waste wa- ter at varying loading rates of 0.5 - 16g COD/L and operating period 200 days. The reactor volume was 7.95 L and sludge from septic tank (size < 1mm) was used as seed with an initial concentration of 16.6 g VSS/L.

Economic Analysis of a Large UASB Reactor Producing Biogas .

V. K. Jain et al. 70 Accordingly, this leads to 20% COD reduction due to precipitation and the solids get settled in the Primary Cla - rifier. Therefore, the actual effluent parameters to the inlet of UASB Reactor are as mentioned in Table 2. The characteristics of treated bagasse wash water after UASB Reactor was as indicated in the Table 3. 3.