bioreactor airlift ppt loop types external internal nozzle gas link source downcomer

Specialized Bioreactors | Fermentation | Microorganism ...

Specialized Bioreactors | Fermentation | Microorganism ...

Airlift bioreactors can provide an attractive alternative to stirred tanks, particularly for bioprocesses with gaseous reactants or products. Frequently, however, they are susceptible to being limited by gas–liquid mass transfer and by poor mixing of the liquid phase, particularly when … Internal-loop split ALR Internal-loop concentric tube reactor External-loop ALR Figure 1. Different types of ALRs. BIOREACTORS, AIR-LIFT REACTORS J.C. MERCHUK M. GLUZ Ben-Gurion University of the Negev Beer-Sheva, Israel KEY WORDS Bubble column Fluid dynamics Gas hold-up Heat transfer Liquid flow Mass transfer Scale-up Three-phase airlift ...

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1. VISCOSITY

1. VISCOSITY

PDF | The bioreactor is the heart of any biochemical process in which enzymes, microbial, mammalian, or plant cell systems are used for manufacture of a... | Find, read and cite all the research ... Danfoss engineers technologies that empower the world of tomorrow to build a better future. Learn how our energy efficient technologies empower smart communities and industries to create healthier and more comfortable climates in our buildings and homes and to supply more food with less waste.

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Hydrodynamic characteristics and mixing behaviour of ...

Hydrodynamic characteristics and mixing behaviour of ...

Airlift systems are similar to bubble column reactors where oxygen transfer, internal circulation, and mixing are achieved by bubbling air. They differ however in that air lift bioreactors contain an inner draft tube that creates the drafting force required for liquid circulation and possible improvement of bulk mixing. Closed photobioreactors are flexible systems that can be optimized according to the biological and physiological characteristics of the microalgal species involved. An overview of several closed or semiclosed culture systems used for mass cultivation of microalgae outdoors is presented in Figure 3.The simplest cultivation system is an illuminated bag containing the microalgal suspension, mixed ...

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Photobioreactor - an overview | ScienceDirect Topics

Photobioreactor - an overview | ScienceDirect Topics

A Blog For Piping Engineers to explain piping engineering details like piping design, piping stress analysis, piping materials, Caesar II, Start-prof, piping interview questions with answers, and … this ppt is abt one of the types of fermenters used for bioprocessing... hope its useful!! Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.

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Extractive bioconversion in a four‐phase external‐loop ...

Extractive bioconversion in a four‐phase external‐loop ...

Hydrodynamics and oxygen transfer in external-loop airlift bioreactor were discussed. New models of gas hold-up and volumetric mass transfer coefficient were developed. They are based on the hydrodynamic model in which the similarity between the liquid circulation in airlift bioreactors and the natural convection is considered The models include both cases of Newtonian and non-Newtonian ... Industrial Microbiology. BTech. 6th Sem PPT-1 Introduction to industrial biotechnology Industrial microorganisms Fermentor / Bioreactor Design. Dr. Arun Kumar Pradhan Assistant Professor CBT, SOA University Industrial Microbiology The Scope:. 1. This course seeks to introduce students to those aspects of applied microbiology which they are likely to encounter in the Fermentation/Medicare sector.

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Cooling Tower Pumping and Piping

Cooling Tower Pumping and Piping

Airlift bioreactors are tower reactors for large-scale aerobic cultures where the mixing of the culture broth is done by the inserted gas via an airlift pump (Fig. 7.5).This pump injects compressed air at the bottom of the discharge pipe, which is immersed in the liquid. The compressed air mixes with the liquid, causing the gas–liquid mixture to be less dense than the rest of the liquid ... Closed Loop Piping Circuit. Figure. 1. Static Height Not Considered for Pump Selection in Closed Loop . Open “Tower” System Pump Head Requirements. The pumping head determination procedure for the “open” tower piping loop differs from the conventional “closed” loop piping circuit used for most Hydronic (Heat-Cool) applications.

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(PDF) Bioreactor Design - ResearchGate

(PDF) Bioreactor Design - ResearchGate

Airlift bioreactor ppt 1. AIR LIFTBIOREACTORBEENISH SARFRAZ 2. INTRODUCTION… typical motionless bioreactor where the internal circulation and mixing are achieved by bubbling air.” Employ forced/ pressurized air to circulate cells and nutrient medium. Can be used to culture cells that highly shear-sensitive. gas stream facilitate exchange of material between the gas phase and the medium ... 10.1016/j.bej.2004.12.003 10.1016/j.bej.2004.12.003 2020-06-11 00:00:00 C * saturation concentration of oxygen in the liquid phase (kg/m 3 )</P>C L concentration of oxygen in the liquid phase (kg/m 3 )</P>C p concentration of oxygen in the proximity of the electrode (kg/m 3 )</P>d B bubble diameter (m)</P>h c internal baffle height (m)</P>Δ h m manometer reading (m)</P>h s height below ...

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Pulverized coal-fired boiler - Wikipedia

Pulverized coal-fired boiler - Wikipedia

 · A header file is a file with extension .h which contains C function declarations and macro definitions to be shared between several source files. There are two types of header files: the files that the programmer writes and the files that comes with your compiler. You request to use a header file in ... The filamentous fungus, Sclerotium glucanicum NRRL 3006, was cultivated in a 0.008 m3 airlift bioreactor with internal recirculation loop (ARL-IL) for production of the biopolymer, scleroglucan. The rheological behaviour of the culture fluid was characterised by measurement of the fluid consistency coefficient (K) and the flow behaviour index (n). Based on these measurements, the culture fluid ...

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Water | Free Full-Text | The Effect of Hydraulic ...

Water | Free Full-Text | The Effect of Hydraulic ...

internal or external pressures exceeding 15 psig. Such vessels may be fired or unfired. This pressure may be obtained from an external source or by the application of heat from a direct or indirect source, or any combination thereof. Specific requirements apply to several classes of material used in pressure vessel construction, and also  · Airlift bioreactor ppt 1. AIR LIFTBIOREACTORBEENISH SARFRAZ 2. INTRODUCTION… typical motionless bioreactor where the internal circulation and mixing are achieved by bubbling air.” Employ forced/ pressurized air to circulate cells and nutrient medium. Can be used to culture cells that highly shear-sensitive. gas stream facilitate exchange of material between the gas …

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Danfoss Engineering Tomorrow - explore energy efficient ...

Danfoss Engineering Tomorrow - explore energy efficient ...

Airlift bioreactors have the potential of being used in many fermentation processes, and understanding their hydrodynamics is key to their use. To this end, gas holdup (i.e., volumetric gas fraction) and superficial liquid velocity in the downcomer and riser are studied in an external loop airlift bioreactor with an area ratio of 1:16. Two downcomer configurations are investigated consisting ... Barbotage reactors such as airlift reactors (ALR) and bubble column reactors (BCR), due to their two-phase flow systems, were investigated in many research papers. In their basic design variants, they are typically used to lift, mix, and aerate liquids, while, when equipped with additional elements in hybrid variants, their individual properties, i.e., lifting, mixing, and aeration of liquids ...

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C - Header Files - Tutorialspoint

C - Header Files - Tutorialspoint

The generated gas mixture of CO, H 2 and unreacted CO 2 is a suitable feedstock for gas fermentation, a biotechnological approach leading to the sustainable production of valuable chemicals that is investigated by Evonik Creavis. 2.. The fermentation of synthesis gas is a promising technology, intensively studied up to industrial scale during the last decade.  · In its simplest form an internal combustion engine is an energy conversion device. It is designed to release the chemical energy stored in the fuel, converting it into mechanical work that can then be put to a useful purpose. By using combustion to release the chemical energy of the fuel, the engine becomes a heat source. One of the

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BIOREACTORS, AIR-LIFT REACTORS

BIOREACTORS, AIR-LIFT REACTORS

BTech 6th sem -ppt 1 - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. child labour A, air inlet; G, gas exhaust. with high turbulence. Three common airlift configurations, the internal loop airlift reactor, the external loop airlift reactor, and the draught tube airlift reactor, are shown in Fig. 4b d. Airlift reactors of types c and d are also available as constructions using suitable foil material (39-41). E. Packed Bed Reactor

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P&ID Symbols (Complete List & PDF) - Projectmaterials

P&ID Symbols (Complete List & PDF) - Projectmaterials

this ppt is abt one of the types of fermenters used for bioprocessing... hope its useful!! Extractive bioconversion in a four‐phase external‐loop airlift bioreactor. Lidija Sajc. Dept. of Analytical Chemistry, Faculty of Technology, Belgrade University, Belgrade, Yugoslavia. Search for more papers by this author. Gordana Vunjak‐Novakovic. Corresponding Author.

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