Raghavendra Perumalla

6 Questions 4 Answers 0 Followers

Questions related from Raghavendra Perumalla

Need help in theoretical ΔTad (Derivation Part) from Heat flow data Qr of Reaction Calorimeter (RC1e) ?

As we all know heat accumulation present in the reaction mass Qaccum = mr.Cpr.(dTr/dt) = ρ.Cpr.V.(dTr/dt) V(t)- Volume of the reaction υ - volumetric rate (m3/s) [Assume dTr=ΔTad ] Differential...

05 May 2018 8,760 0 View

Thus the adiabatic temperature rise (ΔTad) is Scale dependent or independent ?

As per the reference sources1 The theoretical adiabatic temperature rise is can be obtained by multiplying the measured temperature by Phi-factor. The heat of reaction (ΔHr) is simply obtained...

04 April 2018 1,020 3 View

Need help in resolving queries regarding Calibration Deviations and Operating Principles of Mettler-Toledo Reaction Calorimeter.

Dear Sir/Madam, We have come across a query while we are doing an experiment on Mettler-Toledo RC1e, we observed some deviations in calibration results in Cpr Changes, So I managed to correct the...

05 May 2017 8,907 0 View

Will the Stoessel criticality classes be applicable to both pilot and plant?

Tp : As the process temperature can be similar/same as we can maintain the it in pilot, plant or laboratory level. MTSR: In case of no cooling failure scenario, MTSR will not be reached. But if...

01 January 2017 1,106 4 View

What are the parameters to be kept in mind during scale up?

Apart from blend time, geometric similarity and other common parameters, what are some of the more uncommon parameters that can be useful for both geometric scale up and hazard assesment?

01 January 2017 4,745 0 View

Application of reaction kinetics of Reaction calroimeter(Calorimeter Kinetics Curve ( Qr Curve Vs Time ) in Excel) to plant scale up?

Dear sir, We are performing a reaction which involves nitration of 4-Hydroxy-2-trifluoromethyl pyridine in the Conc.sulfuric acid medium& fuming nitric acid added successively at 0°C and...

12 December 2016 6,196 9 View