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Questions related from Amit Katyal
I am getting correct phase equilibrium curve for water using Peng Robinson equation. Generally, Peng Robinson equation is only used for non polar or mildly polar compounds but it seems that Peng...
09 March 2021 9,865 4 View
In a multicomponent distillation column with single or multiple feeds, the liquid and vapour compositions at various stages are calculated and side streams of liquid or vapour are taken out from...
26 May 2020 3,278 1 View
A polar liquid is miscible with a polar liquid whereas a non polar liquid is miscible with a non polar liquid as like dissolves like. Why is a polar liquid not miscible with a non polar liquid?
01 April 2020 7,250 3 View
For finding aqueous phase composition fo a hydrocarbon mixture containing water when hydrocarbon mixture is in vapour phase, we can use predictive Peng Robinson 78 (E-PPR 78) equation and flash...
18 November 2019 7,890 0 View
As per second law of thermodynamics, all of the heat added to a system cannot be used to do useful work. Also, another version of second law of thermodynamics states that entropy of a system...
23 September 2019 438 11 View
I want to calculate cloud point temperature and pour point temperature for crude oil samples based on black oil properties of crude oil like density, viscosity, bubble point pressure etc. and...
28 July 2019 6,158 1 View
I am interested in knowing the combined inhibition effect on gas hydrate formation in presence of various salts, methanol, other alchohols and MEG in water. Can someone suggest some research paper...
12 June 2019 5,900 4 View
Hydrogen and helium can form gas hydrates independently by multiple molecules entering single hydrate cavity. Molecules of Hydrogen and helium when present with other hydrate formers like methane,...
21 April 2019 3,861 2 View
For hydrate equilibrium temperature calculation at a given pressure for water containing inhibitors like salt, at ice point of water containing inhibitors, the activity of water term suddenly...
25 February 2019 9,682 9 View
I am looking for densities of solid hydrocarbons and inorganic compounds like CO2, H2S, N2, O2, Ar, CO, H2 and NH3. Can someone tell some reference for solid densities? Is there some predictive...
06 November 2018 1,183 2 View
I am looking for binary interaction parameters for Peng Robinson equation. I would prefer if the binary interaction parameters are predictive and simple to calculate and include inorganic gases...
06 May 2018 1,805 1 View
Peng Robinson cubic equation of state cannot accurately predict phase envelopes for mixtures of polar compounds. Can Peng Robinson equation calculate vapour liquid equilibrium curve for pure polar...
10 April 2018 8,277 7 View
Mercury is nonpolar in nature like many other hydrocarbons. Peng Robinson equation can be used to find two phase compositions for mixtures of nonpolar compounds.Can the liquid phase composition of...
19 November 2017 3,381 6 View
We are pumping liquid through a pipe. After a pipe length, the flow area of pipe is reduced. As per bernoulli's equation, the velocity of flow will increase and pressure will decrease. In case the...
03 October 2017 5,475 1 View
The eutectic composition of sodium chloride in water is around 24 wt percentage and eutectic temperature of sodium chloride brine is around -21 Celsius. Considering this concentration of 24 wt....
05 November 2016 9,958 13 View
I am considering vapour-liquid and liquid-liquid equilibrium between water and hydrocarbon phase. I am getting correct water dew point for aqueous phase containing salt by equating fugacity of...
27 October 2016 1,040 3 View
I need a black oil correlation as a function of various crude oil properties like dissolved GOR, density, system pressure etc. for finding out wax deposition temperature/ cloud point temperature...
30 September 2016 5,985 7 View
I want to transfer water vapors through a pipeline operating at below atmospheric pressure.
23 January 2015 4,993 1 View
Freezing point of eutectic NaCl brine is -21 C. How is the freezing point temperature effected by presence of organic compounds like methane, ethane and propane and compounds like H2S and CO2? At...
01 January 1970 1,141 3 View
We know that PV work in thermodynamics is defined as PdV. What is the significance of VdP in thermodynamics? Is it also PV work as it has units of work?
01 January 1970 5,688 5 View
01 January 1970 9,046 0 View
1. Can we use equation “delta S = delta q/ T” for any process for which T is constant? Can it be used for any isothermal process? Are all isothermal processes reversible? Can an adiabatic process...
01 January 1970 4,808 20 View
