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Anaerobic digesters and Up flow Anaerobic Sludge Blanket .

Jan 02, 2018 · Lecture 36:Anaerobic Treatment of Wastewater: UASB Reactor - Duration: 31:39. IIT Kharagpur July 2018 8,712 . Sequencing Batch Reactor - Duration: 3:11. American Water College 13,625 views.

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 - 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 .

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 .

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 | 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.

BIOBED® ADVANCED | Veolia

The Biobed® Advanced system achieves at high reactor loading rates, not only the sludge retention of a UASB system, but also achieves similar COD removal efficiencies. In pilot and full scale plants a stable and reliable granular sludge increase was always observed.To date 20 systems are in operation, some for more than 5 years.

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 .

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.

Up Flow - Anaerobic Sludge Blanket Reactor (UASB) | IWA .

The upflow anaerobic sludge blanket reactor (UASB) is a single tank process. 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.. The sludge blanket is comprised of microbial granules (1 to 3 mm in diameter), i.e., small agglomerations of microorganisms that, because of their weight .

Anaerobic digestion and the denitrification in UASB reactor

Second unit was an UASB, with 7.8 L and 6 h of hydraulic detention time, fed with 3/4 of effluent nitrification reactor and 1/4 of raw sanitary waste. This work had as objective to evaluate the .

uasb reactor, uasb reactor Suppliers and Manufacturers at .

251 uasb reactor products are offered for sale by suppliers on, of which water treatment accounts for 3%, reactors accounts for 1%. A wide variety of uasb reactor options are available to you, There are 18 suppliers who sells uasb reactor on, mainly located in Asia.

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 .

BIOTIM ® UASB reactor - UASB | Waterleau

Biogas production. The BIOTIM ® UASB is a reactor tank equipped with a three-phase separator on the top of the tank. The wastewater is fed at the reactor bottom through a distribution system. While flowing upwards through the dense sludge bed, the organic pollutants are converted into biomass and biogas.

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

Anaerobic Reactors for Sewage Treatment: Design .

Anaerobic sewage treatment using UASB reactors has significantly expanded in the last few decades and is now a consolidated technology in some warm climate regions. Several advantages of the anaerobic process make it a more sustainable option for sewage treatment. However, there are still important constraints related to design, construction, and operation of UASB reactors.

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

The discrepancies in the initial UASB plants were recorded and now a new breed of UASB reactor is available with respect to the design, operation and maintenance, and materials of construction.

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 .

UASB - SKD WATER

The anaerobic reactor is a "Upflow Anaerobic Sludge Blanket Reactor" (UASB). This reactor type is very well suited for wastewater. The wastewater enters the reactor through a well designed distribution system and is distributed equally over the bottom of the reactor.

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.

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.

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.

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 • .

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.

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.

Upflow anaerobic sludge blanket digestion - Wikipedia

Upflow anaerobic sludge blanket (UASB) technology, normally referred to as UASB reactor, is a form of anaerobic digester that is used for wastewater treatment.. The UASB reactor is a methanogenic (methane-producing) digester that evolved from the anaerobic clarigester.A similar but variant technology to UASB is the expanded granular sludge bed (EGSB) digester.

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.

UASB REACTOR STARTUP FOR THE TREATMENT OF .

(UASB) reactor. Two different nutrients were used during the UASB start-up period, which was designed to decrease the hydraulic retention time (HRT) from 48 to 24 and 12 to 6 hrs at average temperatures of 25-34 ºC. In the first stage, start-up was with glucose for 14 days and then the reactor .

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.