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Question: Sir, can you give brief note on shear stress and shear rate..?
By: Sravan Kumar Balaga     Date: 2012-07-20

Answer: The question is irrelevant to the subject of "Chemical Process Technology". Therefore, I do not wish to answer a question that is not part of the curriculum I teach. Uppaluri

By: Dr. U. Ramagopal     Date: 2012-07-26


Question: Respected sir, is carbondioxide(CO2) I.R. active in regards to infrared ray spectroscopy?
By: Sneha Mazumder     Date: 2012-09-08

Answer: The question is irrelevant to my subject. Please contact a faculty of Chemistry Department teaching a course with the theme "Analytical Techniques"

By: Dr. U. Ramagopal     Date: 2012-09-17


Question: sir please tell me about MEOR(microbial enhanced oil recovery)
By: ravish ranjan     Date: 2012-09-10

Answer: The question is irrelevant but I will try to answer from my domain background. Enhanced oil recovery techniques exploit variation in fluid-solid interface properties such as interfacial tension (IFT). During MEOR, the microbes generate surfactants insitu to reduce the IFT and thereby pave the way for the recovery of crude oil with reduced surface tension phenomena. the same is not possible without the surfactant as the interfacial tension values are high and the existing pressure differentials from the surface do not suffice to the recovery of the crude oil.

By: Dr. U. Ramagopal     Date: 2012-09-17


Question: Sir is a video lecture series under development?
By: Md. Aqib ur Rahman     Date: 2012-09-25

Answer: Probably yes, but I am not doing it.

By: Dr. U. Ramagopal     Date: 2012-10-15


Question: can you please upload lectures or notes on material balance
By: shashank     Date: 2012-10-07

Answer: The question is beyond the syllabi on chemical technology II.

By: Dr. U. Ramagopal     Date: 2012-10-15


Question: sir can you tell me how membrane process can reduce the energy costs in manufacture of sodium hydroxide.
By: GAURAV SHARMA     Date: 2013-02-21

Answer: The Diaphragm/Membrane Cell requires lower voltage than the Mercury Cell to produce the NaOH. Therefore, there is a reported cost saving of 23% for the membrane process (Page No. 201, Dryden). However, the cost of the membrane is very high and the lifespan of the membranes is short. In summary, one needs to see the overall tradeoff for the Cost vs. Process and accordingly the technology be selected. Further, Mercury and Asbestos have environmental hazard issues and hence, these may have to be eliminated in the long run. Therefore, though it might be expensive to purchase membranes and replace them regularly, it might make the membrane based process to be more environment freindly with similar cost component. General analysis of a chemical plant must include treatment costs for hazards. When these are included, the net process could be expensive than the novel technology. The novel technology might be expensive initially but in the long run would be beneficial with less environmenta

By: Dr. U. Ramagopal     Date: 2013-03-03
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