Biogas plants: production of pumps, mixers, screw press

Application of CRI-MAN products in a typical biogas plant: 1. Filling feed tank with slurry and/or agricultural waste. 2. Mixing feed tank with TBM series submersible mixer. 3. Feeding digester with. • PTS series submersible chopper pump. • BMC series macerator and PLD series double piston pump.

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Mixing Quality and Productivity| Concrete Construction

Jan 20, 2010 · The mixer is mounted on a mobile trailer, which the contractor easily moves to and from the jobsite without much foundation work. A weigh batching system similar to dry-mix operations feeds raw materials. A standard recipe requires only 30 seconds of mixing time. Mixed concrete is discharged onto a high-speed conveyor belt, which feeds a

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ANAEROBIC DIGESTION TECHNOLOGY

tank with a double-membrane roof for storing the biogas before use. Once the appropriate residence time has been reached, the fully digested substrate is then pumped from this tank to be used as soil amendment. 7 Eisenmann Biogas Plants are customized to provide the optimum solution for a variety of applications including

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Current Trends in Digester Mixing Technologies

Gas/liquid mixing plume increases in diameter as it rises to the surface Courtesy of US Filter . rc0406sfbs.ppt 10 hrs/week for pump mixing. rc0406sfbs.ppt 59 Comparison of Surveys

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Treatment of food processing wastewater in a full-scale

Aug 19, 2010 · A full-scale jet biogas internal loop anaerobic fluidized bed (JBILAFB) reactor, which requires low energy input and allows enhanced mass transfer, was constructed for the treatment of food processing wastewater. This reactor has an active volume of 798 m3 and can treat 33.3 m3 wastewater per hour. After pre-treating the raw wastewater by settling, oil separating and coagulation-air floating

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Inline mixing of gases and liquids

For applications that require high intensity gas-liquid mixing, short contact time and/or continuous processing, static mixers and inline high shear rotor/stator mixers are chosen. Static mixers A static mixer is a unique device in that it has no moving parts and it relies on external pumps …

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Integrating H2 injection and reactor mixing for low-cost

Feb 01, 2021 · In situ biomethanation combines Power-to-Gas and biogas upgrading by converting electricity-derived H 2 and biogas-CO 2 to CH 4 in existing biogas reactors. Development of industrially relevant H 2 injection technologies that facilitate high H 2 gas-liquid mass transfer rates is key to advance the technology to commercial application. This study shows the potential of using a venturi …

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Application of a Gas–Liquid Mixing Pump in Biogas

Oct 31, 2016 · CO2 removal is one of the key technological requirements in biogas purification. A technique using a gas–liquid mixing pump to capture CO2 and co-produce nano calcium carbonate was devised and tested in this work. The characteristic curves and CO2 absorption efficiency of the pump were investigated.

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Biogas Technology - Xylem US

Maximum mixing – minimum investment Compact and flexible 07 1 3 4 2 9 8 5 7 6 BIS-1 biogas support system The Flygt BIS-1 biogas support system offers easy installation and operation of submersible mixers in a biogas digester for both new and existing biogas …

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Integrating H2 injection and reactor mixing for low-cost

Request PDF | Application of a Gas-Liquid Mixing Pump in Biogas Purification and the Co-production of Nano Calcium Carbonate | The CO2 removal is one of the key technological requirements in

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Integrating H2 injection and reactor mixing for low-cost

In situ biomethanation combines Power-to-Gas and biogas upgrading by converting electricity-derived H 2 and biogas-CO 2 to CH 4 in existing biogas reactors. Development of industrially relevant H 2 injection technologies that facilitate high H 2 gas-liquid mass transfer rates is key to advance the technology to commercial application. This study shows the potential of using a venturi-based

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BIOBED® DUO | Veolia Water Technologies - North America

A first layer of Gas Liquid separators divert the produced biogas to the headspace of the reactor. 4 - Recycling and Mixing control A recycle pump is used to return a controlled amount of water from above the first layer of gas Liquid separators back to the lower section of the reactor.

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BIOBED® DUO | Veolia Water Technologies - North America

A first layer of Gas Liquid separators divert the produced biogas to the headspace of the reactor. 4 - Recycling and Mixing control A recycle pump is used to return a controlled amount of water from above the first layer of gas Liquid separators back to the lower section of the reactor.

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Studies of Mixing Systems in Anaerobic Digesters using CFD

Oct 16, 2019 · The mixing effect on the biogas production is evaluated by several authors [21,22,23]. However, the effect of mixing on the biogas production is not clear, because different conclusions are drawn also considering the composition and type of biomass, size of digester, bacteria concentration, type of mixers and operating mode [21, 24].

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Digester Mixing Fundamentals | BioCycle

Feb 14, 2017 · Reactor contents can be mixed with recirculated biogas gas, recirculation of the digester contents with a pump and system of nozzles, or mechanical agitation. Each has advantages and disadvantages. There are a number of design criteria for mixing systems used by …

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(PDF) Biogas upgrading, economy and utilization: a review

Biogas is mainly treated in two is traditional, renewable, and economically competitive in steps: first, raw biogas is cleaned through the removal of comparison with fossil fuels, namely biofuels (Hazrat et al. toxic compounds, then it is upgraded, or the ­CO2 content 2021; Srivastava et al. 2020; Zamri et al. 2021).

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Biogas Production with Xylem

applications in a biogas production facility. Optional dry installation provides an easy maintenance access. Flygt N and F pumps can be used to transfer liquids from the reception pit to the collection tank, from collection tank to digester, from digester to final storage tank …

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Downflow Gas Contactor (DGC): A versatile Gas-Liquid

dustrial applications. Most applications employ an upflow mode of gas flow with relatively low gas hold- ups (< 20%) along with subsequent gas disen-gagement with recycling, coalescence and back-mixing problems. Free gas-liquid interfaces with gas pockets are formed in these reactors causing safety problems. DGC offers significant advantages

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Biogas Technology - Xylem US

Jun 06, 2016 · This allows headspace gas, particularly biogas when the tank is used as a digestion tank, to be drawn into the slurry stream by the Venturi principle. The gas-liquid stream passes through a plastic ring of precise shape and dimensions, causing a sudden drop in pressure of up to 3 bar before being injected at high velocity into the tank.

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Biobed DUO

2. Biogas production Wastewater passes through a dense granular sludge bed where the organic pollution is degraded and biogas is produced 3. 1st layer Gas separation A first layer of Gas Liquid separators divert the produced biogas to the headspace of the reactor. 4. Recycle and Mixing control A recycle pump is used to return a controlled amount of

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