Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Refining of petroleum:
Petroleum (crude) extracted from earth's crust is an intimate mixture of many organic compounds. Crude petroleum needs to be purified and its components are to be separated. This process of purification of crude petroleum and separation of its constituents into useful products is called refining of petroleum. The process of petroleum refining involves three steps.
1) Separation of water: Crude petroleum consists of salt water mixed with components of petroleum. Water is separated by allowing crude oil to flow between two highly charged electrodes. Water gets separated and settles on electrodes which is later removed.
2) Removal of sulphur compounds: Crude oil free from water is treated with copper oxide sulfur present in crude oil reacts with copper oxide and precipitates copper sulphate which is removed by filtration.
3) Fractionation: The crude oil which is free from water and sulphur is heated to 400°C in an iron tank. All components of crude oil get evaporated leaving behind a residue called 'asphalt' The vapours are passed through a tall, cylindrical fractionating column. Fractionating column contains large number of horizontal stainless steel trays. Each tray consists of a chimney which is covered with a loose cap. The crude oil vapours go up in the fractionating column and the components are cooled and condensed at different heights depending on boiling points of the components. The components with height boiling points are condensed at the lower trays and the components with lower boiling points are condensed at higher trays.The products obtained after fractionation are(a) uncondensed gas - used as fuel(b) petroleum ether - used as solvent(c) naptha - used as solvent and fuel(d) kerosene - used as motor fuel(e) diesel - fuel for diesel engines(f) heavy oil - as lubricant(g) residue - as road tar.
a) During coagulation, the colloidal particles stay un-aggregated because: b) The aim during water softening is to precipitate calcium and magnesium as calcium carbonate and mag
1. A 50.0-L reaction vessel contains 1.00 mol N2, 3.00 mol H 2 , and 0.500 mol NH 3 . Will more ammonia, NH 3 , be formed or will it dissociate when the mixture goes to equilibrium
kinds of reactions benzene undergoes and why
can you describe how the valance shell electron configuration affectst the reactivity of the elements in the lanthanides and actinides series?
Wavelength associated with electron motion: (1) Increases with increase in speed of electron (2)Remains same irrespective of speed of electron (3) Decreases with increa
formula of lactic acid
Explain carbocation intermediate When 3-methyl-1-butene undergoes acid-catalyzed hydration, rearrangement happens because carbocation intermediates are included. (See the solut
Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon Ans) We know the energy of electron goes on to become more negative as it reache
Q. What do you eman by Scientific Research? Pure research is prepared to gain knowledge for the sake of knowledge itself. Molina as well as Rowland's research on the behavior
Uses of Sucrose, Cane-sugar (1) Sucrose is used as a sweetening substance for several jams, syrups sweets, food preparations etc. (2) Sucrose is used in the making of sucros
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd