chemical process industry
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2021 ◽  
Author(s):  
R. MANIVASAGAM

Abstract Primarily based trendy account energy the board and cycle robotization for a industry with proportion controls is projected. The energy the board is finished by 2 calculations particularly Energy potency rule and cargo Sharing rule. Varied siphons run in no heap or faithfully low burden condition, simply to forestall over-burdening. Utilizing the energy productivity calculation, No heap running of siphons is determined and killed once a amount delay. Every machine has its own restricted running life. In business to possess high dependableness reserve machines area unit likewise introduced nevertheless not used adequately. The heap sharing calculation plans equivalent running hours to order and first siphons. The cycle management is accomplished by mistreatment the inputs of transducers like stream, weight and temperature sensors to the framework, the signs area unit shipped off regulator and therefore the regulator cycle the signs and impel the elemental transfers to figure the cycle. The entire framework is incorporated and controlled through a SCADA framework .


Author(s):  
Yu Sokolova ◽  
E A Stepanova ◽  
M V Akulova ◽  
T E Slizneva ◽  
V S Polyakov

2020 ◽  
Vol 1008 ◽  
pp. 168-176
Author(s):  
Fathy Shokry ◽  
Dina Ahmed El-Gayar ◽  
Marwa Abd El-Fattah ◽  
H.A. Farag ◽  
Gomaa H. Sedahmed

Owing to the high mixing capacity, the stirred tank reactor is the key class of reactors in the chemical process industry and pharmaceutical industry. The mass transport nature of a batch stirred tank reactor with a fixed copper wall with a cylinder form was studied using copper dissolution in acidified dichromate which is controlled by diffusion. Variables analyzed included the speed of rotation of the impeller, the shape of the impeller and the physical specifications of the solution and the existence of baffles. The data were correlated for the conditions 3667.323 < Re < 34993.18 and 960 < Sc < 1364, for radial flow by the equation: Sh =0.3453 *Sc1/3*Re0.66 but for axial flow by the equation: Sh =0.5866 *Sc1/3*Re0.59. Through speed of rotation of the impeller increases,it allows the rate of mass transfer from the fixed bed to the solution to rise. The radial-flow turbine is more effective than the axial-flow turbine in increasing the rate of mass transfer. The usage of baffles plays a significant role in rising the rate of mass transfer. Using baffles; the correlation will be Sh =0.0769 *Sc1/3*Re0.84 for radial flow and Sh =0.1157 *Sc1/3*Re0.78 for axial flow. The purpose of this research is to estimate the rate of mass transport that can be required in corrosive reactions, and also to maximize the mass transfer rate that can be achieved in other processes, such as electroplating in presence of baffles.


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