The biothane uasb upflow anaerobic sludge blanket technology is a proven and reliable process, exclusively owned by biothane. Treatment of domestic wastewater using upflow anaerobic. Pdf proposed design of upflow anaerobic sludge blanket. Granulation of biomass in thermophilic upflow anaerobic. Improved performance of upflow anaerobic sludge blanket uasb. This process relies on the formation of a dense granular sludge bed that is readily. Jakov buljan agroindustries and sectoral support branch. Abstract, the upflow anaerobic sludge blanket uasb is essentially based on a special flow regime. Pdf design of upflow anaerobic sludge blanket uasb.
The goal of this project was to set up labscale anaerobic digesters to collect data that will be used to develop and validate a predictive monitoring and. Pdf treatment of domestic wastewater using upflow anaerobic. The highest methane production rate of 510 ml ch 4 l. Upflow anaerobic sludge blanket uasb technology, normally referred to as uasb reactor, is a form of anaerobic digester that is used in the treatment of wastewater. 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 methaneproducing digester that evolved from the anaerobic clarigester. Upflow anaerobic sludge blanket uasb reactors have been widely used for the treatment of industrial wastewater. A suspended sludge blanket filters and treats the wastewater as the wastewater flows through it.
The upflow anaerobic sludge blanket process uasb has been around for many years, so it clearly can work well. This study investigated the applicability of dynamic membrane filter dmf technology in an upflow anaerobic sludge blanket uasb and dmfcoupled process for the treatment of municipal wastewater. Biomethane production from vinasse in upflow anaerobic sludge. They can also recover methane, which can be managed to produce energy. Applicability of upflow anaerobic sludge blanket uasb reactor for. The uasb reactors were operated for 230 days with a hydraulic detec. Upflow anaerobic sludge blanket uasb treatment of sewage. Upflow anaerobic sludge blanket technology also known as uasb reactor is a form of anaerobic digester that used in wastewater treatment. Download this upflow anaerobic sludge blanket process ebook and keep it on your hard drive for later reference. Modelling of an upflow anaerobic sludge blanket reactor.
A similar but variant technology to uasb is the expanded granular sludge bed egsb digester. This work evaluates the theoretical availability of energy and the sludge production in a wastewater treatment plant wwtp that associates uasb reactors and su. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. The state of the art for upflow anaerobic sludge blanket uasb reactors is discussed, focusing on the microbiology of immobilized anaerobic bacteria and the mechanism of granule formation. An upflow anaerobic sludge blanket reactor was designed to handle 8,800 liters per day of the influent and field tested for. Upflow sludge blanket filtration usbf operation of a usbf plant is simple and selfregulating.
It is a methaneproducing digester which uses an anaerobic process and forming a blanket of granular sludge and is processed by anaerobic microorganism. A laboratory scale upflow anaerobic sludge blanket uasb reactor study was done with spentwash distillery effluent as substrate. Anaerobic treatment of municipal wastewater in uasbreactors. Granular sludge formation in upflow anaerobic sludge. It is a maintenancefree, corrosionfree and rugged process with a straightforward design. Upflow anaerobic sludge blanket reactors for treatment of wastewater from the brewery industry. However, formation of sludge particles in larger size was hindered by increased upflow liquid velocity. The uasb reactor is a methanogenic methaneproducing digester. Upflow anaerobic sludge blanket uasb reactor is a widely used anaerobic treatment of wastewater that has numerous benefits over its alternatives, including aerobic wastewater treatments lettinga et al. Anaerobic treatment is very common in wastewater treatment plants in developing countries. Central leather research institute, adyar, chennai. Design of upflow anaerobic sludge blanket uasb reactor. The development of granular sludge is the key factor for. Treatment of domestic wastewater using upflow anaerobic sludge blanket reactor 1j.
Upflow anaerobic sludge blanket uasb technology for. The process is essentially based on a special flow regime allowing the sewage to get into contact with a sludge blanket or sludge bed situated in the reactor, and a following 3. The sludge blanket in the uasb comprised of microbial granules, i. Treatment of domestic wastewater in an upflow anaerobic sludge. The upflow anaerobic sludge blanket reactor was operated at various hydraulic retention times and was fed with palm oil mill effluent as a carbon source. Upflow anaerobic sludge blanket how is upflow anaerobic. Uasb reactor is a methaneproducing digester, which uses an anaerobic process and forming a blanket of granular sludge and is processed by the anaerobic microorganisms. Upflow anaerobic sludge blanket uasb reactor in wwtp. Upflow anaerobic sludge blanket, or uasb, is a form of anaerobic oxygenfree digester used in wastewater treatment.
The upflow anaerobic sludge blanket uasb reactor has been recognized as an important wastewater treatment technology among anaerobic treatment methods. Upthane is an upflow anaerobic sludge blanket uasb treatment system specifically designed for the treatment of low strength wastewaters like municipal sewage. Upflow anaerobic sludge blanket digestion wikipedia. Performance evaluation of upflow anaerobic sludge blanket. Yeom 1civil and environmental engineering centre for zero emission technology sung kyun kwan university, korea 2centre for environmental studies ces anna university, chennai 600025 tamilnadu, india int. Hydrodynamics of upflow anaerobic sludge blanket reactors. The upflow anaerobic sludge blanket wastewater treatment process is typically used for treatment or pretreatment of wastewaters with a high bod concentration. Upflow anaerobic sludge blanket uasb treatment of sewage 1. Pdf anaerobic bioconversion of carbon dioxide to biogas. List of upflow anaerobic sludge blanket companies, manufacturers and suppliers.
Wastewater enters the reactor from the bottom, and flows upward. Design of uasbr upflow anaerobic sludge blanket reactor. Upflow anaerobic sludge blanket reactors for treatment of. Performance of upflow anaerobic sludge blanket uasb.
The lucas anaerobic technology is typically applied as a first. Pdf upflow anaerobic sludge blanket uasb reactors have been widely used for the treatment of industrial wastewater. Acetate and a mixture of acetate and butyrate were used as substrates, serving as models for acidified waste. Anaerobic sludge blanket reactors global water pathogen. Amaral a department of environmental engineering, federal university of bahia, salvador city, bahia state 40210630, brazil. Bacteria living in the sludge, break down organic matter by anaerobic digestion and transforming it into biogas. The pattern of overall removal efficiency of both reactors with respect to reactivation time was similar. Upflow anaerobic sludge blanket reactor an overview. Two of several strictly aerobic, mesophilic bacteria isolated from a labscale upflow anaerobic sludge blanket uasb reactor treating a petrochemical wastewater, strains amx 17 and amx 19t, were subjected to detailed taxonomic study. Kandasamy encyclopedia of life support systemseolss can be traced to the processing of industrial chemicals and nearly 40% of the total organic pollution to the food processing industry alone. Application of uasb reactor in industrial wastewater. A modified upflow anaerobic sludge blanket reactor as an alternative for decentralized domestic wastewater treatment in developing countries s.
Pdf design of upflow anaerobic sludge blanket uasb reactor. The raw wastewater originating from the industrial process requires pretreatment to prepare it for the anaerobic treatment process. An upflow anaerobic sludge blanket reactor was designed to handle 8,800 liters per day of the influent and field tested for energy production from biomethanation of. The top of the anaerobic reactor was tightly closed to maintain the stringent anaerobic condition. Upflow anaerobic sludge blanket how is upflow anaerobic sludge blanket abbreviated. The upflow anaerobic sludge blanket reactor uasb is a single tank process. Startup criteria for a upflow anaerobic sludge blanket. The process has a sludge blanket in the reactor zone, through which the influent wastewater flows. The hydrodynamic characteristics of upflow anaerobic sludge blanket uasb reactors were investigated in this study. They are considered sludge blanket reactors because the influent wastewater receives treatment by passing. Upflow anaerobic sludge bed wastewater treatment uasb. Combining upflow anaerobic sludge blanket uasb reactors. Wastewater enters the anoxic compartment of the bioreactor where it mixes with activated sludge recycled from the bottom of the sludge filter. Modelling raul rodriguez gomez licentiate thesis in chemical engineering department of chemical engineering and technology school of chemical science and engineering royal institute of technology stockholm, sweden tritache report 2011.
Effect of granule sizes on the performance of upflow. Cells were gramnegative, motile, nonsporulating, straight to curved rods with a polar flagellum. Anaerobic digestion pdf website download your biogas pdf. Upflow anaerobic sludge blanket uasb reactors and anaerobic baffled reactors abrs are sanitation technologies that are designed to remove organic matter measured as bod or cod. But, unfortunately, this type of ad treatment can only handle quite low contamination levels in effluents, but with the. The startup studies revealed that the recirculation of biogas, produced during the initial stages, under low organic loading rates helps in mixing as well as partial supplementation of carbon dioxide for excess hydrogen in the reactor. A modified upflow anaerobic sludge blanket reactor as an. Water and wastewater treatment technologies upflow anaerobic sludge blanket uasb reactor in wastewater treatment k.
Treatment of sewage based on uasb process contributed by harish kumar surna jntuhceh, india. Applicability of upflow anaerobic sludge blanket and. One of these reactors is the upflow anaerobic sludge blanket uasb reactor. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. The sludge blanket is comprised of microbial granules 1 to 3 mm in diameter, i. Proposed design of upflow anaerobic sludge blanket uasb for mapua institute of technology project by. Winner of the standing ovation award for best powerpoint templates from presentations magazine.
An upflow anaerobic sludge blanket reactor was designed to handle 8,800 liters per day of the influent and field tested for energy production from biomethanation of papaya fruit processing jam industry wastes. Upflow anaerobic sludge blanket technology also known as uasb reactor is a form of anaerobic digester that used in. Lucas anaerobic is the brand name for an anaerobic waste water treatment system which uses upflow anaerobic sludge blanket, upflow anaerobic contact, anaerobic filtration and hybrid anaerobic filtration technologies for treating waste water depending on specific requirement. This video shows an uasb reactor tipically designed for wastewater treatment plants where it is possible. Anaerobic treatment of municipal wastewater in upflow anaerobic. Schematic diagram of upflow anaerobic sludge blanket reactor.
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