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Anaerobic Treatment Processes - Industrial Wastes

Anaerobic Treatment Processes - Industrial Wastes

Anaerobic reactor configurations that have found application in the treatment of pulp and paper mill effluent include anaerobic contact, UASB, anaerobic filter, UASB/AF hybrid, and fluidized bed reactors. Specific features of these reactors are described in the following sections. Anaerobic Contact Reactor.

Anaerobic Reactors

Anaerobic Reactors

"Anaerobic Reactors is the forth volume in the series Biological Wastewater Treatment. The fundamentals of anaerobic treatment are presented in detail, including its applicability, microbiology, biochemistry and main reactor configurations. Two reactor types are analysed in more detail, namely anaerobic filters and especially UASB (upflow .

anaerobic reactors UASB AF HAF EGSB expanded granular .

anaerobic reactors UASB AF HAF EGSB expanded granular .

HYBRID ANAEROBIC REACTORS. The hybrid reactor designcombines an lower section functionally identical to an UASBand an upflow AF on top, the idea being to combine the strengths of each approach in a single tank. Thus, the lowermost 30 to 50 percent UASB-like portion of the reactor volume is responsible for flocculant and/or granular sludge .

Anaerobic Baffled Reactor (ABR) | SSWM

Anaerobic Baffled Reactor (ABR) | SSWM

An anaerobic baffled reactor (ABR) is an improved Septic Tank with a series of baffles under which the grey-, black- or the industrial wastewater is forced to flow under and offer the baffles from the inlet to the outlet. The increased contact time with the active biomass (sludge) results in improved treatment.ABRs are robust and can treat a wide range of wastewater, but both remaining sludge .

Review: Anaerobic ammonium oxidation for treatment of .

Review: Anaerobic ammonium oxidation for treatment of .

Nov 12, 2007 · Anaerobic ammonium oxidation (ANAMMOX) is one of the novel biotechnologies for nitrogen removal. In the process, two pollutants of ammonium and nitrite are removed simultaneously, which was first discovered in a denitrifying-fluidized bed reactor in 1994 (Mulder et al., 1995). During the past decade, lots of efforts have been made to .

BIOPAQ - AFR - BIOPAQ Products - Anaerobic Flotation .

BIOPAQ - AFR - BIOPAQ Products - Anaerobic Flotation .

Wastewater with fats, oil and grease and/or solids such as proteins and starch, can effectively be treated in the BIOPAQ ® AFR. This anaerobic flotation reactor (AFR), with an effective sludge retention system, is an all-in-one system that converts organic compounds into valuable biogas.

Anaerobic Baffled Reactor: A promising wastewater .

Anaerobic Baffled Reactor: A promising wastewater .

anaerobic reactors is their ability to maintain high biomass concentrations, which enable higher COD loading rates and maintaining longer SRTs at relatively shorter HRTs (Van Lier et al., 2008). Anaerobic Baffled Reactor (ABR) is a series of simplified UASB reactors. It was developed at Stanford

Anaerobic Reactors: Biological Wastewater Treatment Volume .

Anaerobic Reactors: Biological Wastewater Treatment Volume .

Anaerobic Reactors is the fourth volume in the Biological Wastewater Treatment series. The fundamentals of anaerobic treatment are presented in detail, including its applicability, microbiology, biochemistry and main reactor configurations. Two reactor types are analysed in more detail, namely anaerobic filters and especially UASB (upflow .

How does anaerobic digestion work? | AgSTAR: Biogas .

How does anaerobic digestion work? | AgSTAR: Biogas .

Other Designs. Other common designs for anaerobic digesters include: A batch digester is the simplest form of digestion, where manure is added to the reactor at the beginning of the process in a batch and the reactor remains closed for the duration of the process.; Induced Blanket Reactors are digesters in which a blanket of sludge develops and retains anaerobic bacteria, providing a bacteria .

Up-flow vs downflow anaerobic digester reactor .

Up-flow vs downflow anaerobic digester reactor .

The process of anaerobic digestion has been and still remains the most efficient, cost effective and environmentally benign treatment process for poultry slaughterhouse wastewater

Anaerobic Baffled Reactor (ABR) | SSWM - Find tools for .

Anaerobic Baffled Reactor (ABR) | SSWM - Find tools for .

An anaerobic baffled reactor (ABR) is an improved Septic Tank with a series of baffles under which the grey-, black- or the industrial wastewater is forced to flow under and offer the baffles from the inlet to the outlet . The increased contact time with the active biomass (sludge) results in improved treatment. ABRs are robust and can treat a wide range of wastewater, but both remaining .

Influence of Environmental Conditions on Methanogenic .

Influence of Environmental Conditions on Methanogenic .

The compositions of methanogenic communities present in anaerobic reactors have been studied mostly for laboratory-scale digesters, including up-flow anaerobic sludge blanket reactor granules and mixture reactors treating municipal solid waste (MSW) or wastewater sludge (18, 20).

What Is Anaerobic Wastewater Treatment and How Does It Work?

What Is Anaerobic Wastewater Treatment and How Does It Work?

Jul 09, 2019 · Anaerobic filter reactors. Anaerobic filter reactors are comprised of a reactor tank outfitted with a fixed filter medium of some kind. Anaerobic microorganisms are allowed to establish themselves on the filter media, forming what is known as a biofilm. Filter media vary from one system to the next, with common materials including plastic films .

BE3 Anaerobic Column Reactor - Armfield

BE3 Anaerobic Column Reactor - Armfield

The BE3 is a self-contained, floor-standing anaerobic column reactor of a 9l volume. It is configurable as a fluidised bed reactor and an expanded granular sludge bed reactor (EGSB). Incorporating a split heated column with central collar for instrumentation, dosing and liquid sampling. It has a recycle pump capable of rates from 0-15 l/min and an electronic measurement of recycle rate.

Upflow Anaerobic Sludge Blanket Reactor--A Review - PubMed

Upflow Anaerobic Sludge Blanket Reactor--A Review - PubMed

Another anaerobic process which relies on the development of biomass on the surfaces of a media is an expanded bed upflow reactor. The primary concept of the process consists of passing wastewater up through a bed of inert sand sized particles at sufficient velocities to .

Biothane UASB | Veolia Water Technologies

Biothane UASB | Veolia Water Technologies

In a conditioning tank the liquid will be mixed with recycled, treated anaerobic effluent by means of a recirculation step and jet mixing. 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.

upflow anaerobic sludge blanket reactor: modelling .

upflow anaerobic sludge blanket reactor: modelling .

2.2 ANAEROBIC REACTORS A batch anaerobic reactor is the simplest form of reactor and it is used in poor developing countries in primitive wastewater-treatment plants. An example of this type of reactor is the septic tank. In wastewater treatment, several researchers have used batch reactors (Figure 2) to determine kinetic parameters.

ADI-BVF® reactor - Evoqua

ADI-BVF® reactor - Evoqua

Anaerobic digestion system that offers very stable, robust wastewater treatment and biogas generation under a wide range of operating conditions. ADI Systems from Evoqua is the exclusive provider of the ADI-BVF ® reactor, with 140 installed full-scale applications around the world.

How to manage acidic condition in anaerobic reactor?

How to manage acidic condition in anaerobic reactor?

I am investigating the wastewater treatment process of a wastewater with COD of 7000 mg/L. Wastewater enters into a tank with HRT of 14 days and anaerobic process takes place in this reactor.

Anaerobic Biological Wastewater Treatment | EMIS

Anaerobic Biological Wastewater Treatment | EMIS

Anaerobic reactors can be implemented in a variety of ways. The figure shows a contact reactor and an upflow reactor. The contact reactor is comparable with a conventional active sludge system, but under anaerobic conditions. The sludge is mixed with wastewater in the reactor and is then separated in the sedimentation tank and returned to the .

Types of Anaerobic Digesters – Farm Energy

Types of Anaerobic Digesters – Farm Energy

Apr 03, 2019 · An anaerobic sequencing batch reactor (Figure 13), or ASBR digester, is a variation on an intermittently mixed digester. Methane forming microorganisms are kept in the digester by settling solids and decanting liquid. An ASBR operates in a cycle of four phases (Figure 14). The digester is fed during the fill stage, manure and microbes are mixed .

In ABR reactor, why anaerobic process is followed by .

In ABR reactor, why anaerobic process is followed by .

The paper presents the applicability of a membrane coupled anaerobic baffled reactor (ABR) for low-cost, waterborne sanitation to those communities with limited access to basic sanitation and are .

Anaerobic Baffled Reactor (ABR) 1 - Akvopedia

Anaerobic Baffled Reactor (ABR) 1 - Akvopedia

An anaerobic baffled reactor (ABR) is an improved Septic Tank (S.9) with a series of baffles under which the wastewater is forced to flow. The increased contact time with the active biomass (sludge) results in improved treatment. The upflow chambers provide .

Expanded granular sludge bed digestion - Wikipedia

Expanded granular sludge bed digestion - Wikipedia

6.3 Start-up of anaerobic reactors 133 6.4 Operational troubleshooting 141 7 Post-treatment of effluents from anaerobic reactors 147 7.1 Applicability and limitations of the anaerobic technology 147 7.2 Main alternatives for the post-treatment of effluents from anaerobic reactors 152 References 169

Anaerobic Baffled Reactor (ABR) | SSWM

Anaerobic Baffled Reactor (ABR) | SSWM

An anaerobic baffled reactor (ABR) is an improved Septic Tank with a series of baffles under which the grey-, black- or the industrial wastewater is forced to flow under and offer the baffles from the inlet to the outlet. The increased contact time with the active biomass (sludge) results in improved treatment.ABRs are robust and can treat a wide range of wastewater, but both remaining sludge .

Approaches for Modeling Anaerobic Granule-Based Reactors .

Approaches for Modeling Anaerobic Granule-Based Reactors .

Anaerobic granule sludge is a self-forming biofilm. This biofilm can be developed without the presence of bio-carriers. Anaerobic granule sludge-based technologies are dominant technologies in the field of anaerobic wastewater treatment. Although they are successful technologies, many efforts are still needed for a better understanding of the granules and granule-based reactors because reactor .

Review of Upflow Anaerobic Sludge Blanket Reactor .

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 .

Anaerobic Treatment of Waste Water (With Diagram)

Anaerobic Treatment of Waste Water (With Diagram)

Anaerobic Digester/Reactor: The basic difference between an anaerobic digester/reactor and the anaerobic units described earlier is that a digester/reactor is a completely closed air-tight chamber whereas the others are either open at the top or not tightly closed. In a digester/ reactor the gas produced is collected and is generally used as a .

Anaerobic Fluidized Bed Membrane Bioreactor for Wastewater .

Anaerobic Fluidized Bed Membrane Bioreactor for Wastewater .

Anaerobic membrane bioreactors have potential for energy-efficient treatment of domestic and other wastewaters, membrane fouling being a major hurdle to application. It was found that fouling can be controlled if membranes are placed directly in contact with the granular activated carbon (GAC) in an anaerobic fluidized bed bioreactor (AFMBR) used here for post-treatment of effluent from .