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Careful consideration of the bioreactor agitation and aeration system is required in order to maintain a homogeneous environment and provide sufficient oxygen transfer rates to meet cellular metabolic requirements.
Both agitation and aeration need to be considered together as they have an influence on the mechanical design of the fermenter, the oxygen transfer characteristics of the vessel and its power requirements.
There are a number of components that contribute to the aeration and agitation system efficiency including the height/diameter ratio. These are:
i. the impeller system (marine, flat-blade turbine etc) ii. the baffles (can also provide additional cooling capability) iii. the air sparger (ring, cross orifice, porous, nozzle) iv. the drive seal (mechanical, magnetic)
"Extension of screw conveyer by using spline shaft, U-joint with the help of hydraulic cylinder" For fully automatic extension of screw conveyer according to screed width we ha
If Steering is Heavy Causes of Problem Remedy Steering head adjuster too tight Damaged steering cones or steel ball
helical gear
STEA M ENGINE TERMINOLOGY: 1 . Cylinder Bore: Inside diameter of cylinder. 2 . Cover End and Crank End of cylinder: In the horizontal cylinders the end that
Degree of superheated steam
ELECTRO SLAG WELDING This process is similar to the electro gas welding process designed for making butt welding in the vertical position in one single pass and the plate
State Hook's law: Sol.: It states that when material is loaded within the elastic limit, the stress is proportional to strain produced by the stress. This means that the rat
Evaluate power transmitted by belt. Sol: Let T 1 = Tension in tight side of the belt T 2 = Tension in slack side of the belt V = Velocity of belt in m/sec. = Π
deff. b/w asa and ors
vacuum gauge indicates that the pressure of air in a closed chamber is 0.2bar(vacuum).The pressure of the surrounding atmosphere is equilent to a 750-mm column of mercury.The densi
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