A STUDY IN DHDT PILOT PLANT-EFFECT OF TEMPERATURE ON DIESEL

HYDROTREATING

A PROJECT REPORT

Submitted by

R.ARCHANA DEVI (12208203001)G.MEENATCHI (12208203006)K.NISHANTHI (12208203009)

T.PREETHI PRIYADHARSHINI (12208203011)

In Partial Fulfillment for the Award of the Degree

Of

BACHELOR OF TECHNOLOGY

IN

CHEMICAL ENGINEERING

VEL TECH HIGH TECH DR.RANGARAJAN DR.SAKUNTHALA

ENGINEERING COLLEGE

ANNA UNIVERSITY: CHENNAI 600 025

APRIL 2012

ANNA UNIVERSITY CHENNAI-600025

BONAFIDE CERTIFICATE

Certified that this project report “A STUDY IN DHDT PILOT PLANT-EFFECT OF TEMPERATURE ON DIESEL HYDROTREATING” is a bonafide work of “ R.ARCHANA DEVI, G.MEENATCHI, K.NISHANTHI and T.PREETHI PRIYADHARSHINI ” who carried out the project work under my supervision.

SIGNATURE SIGNATURE

Mr.E.VASANTH KUMAR Mrs.R.PRATHEEBA

HEAD OF THE DEPARTMENT INTERNAL GUIDE

DEPARTMENT OF DEPARTMENT OF

CHEMICAL ENGINEERING CHEMICAL ENGINEERING

VEL TECH HIGH TECH VEL TECH HIGH TECH

DR.RANGARAJAN DR.SAKUNTHALA DR.RANGARAJAN DR.SAKUNTHALA

ENGINEERING COLLEGE ENGINEERING COLLEGE

No.60, VEL TECH ROAD, AVADI, CH 62. No.60, VEL TECH ROAD, AVADI, CH 62.

CERTIFICATION OF EVALUATION

COLLEGE NAME: VEL TECH HIGH TECH DR.RANGARAJAN DR.SAKUNTHALA ENGINEERING COLLEGE

BRANCH : CHEMICAL ENGINEERING

SEMESTER : VIII

S.NO NAME OF THE

STUDENT

REGISTER

NO.

TITLE OF THE

PROJECT

NAME OF THE

INTERNAL GUIDE

1. R.ARCHANA

DEVI

12208203001

A STUDY OF DHDT

PILOT PLANT-

EFFECT OF

TEMPERATURE

ON DIESEL

MRS.R.PRATHEEBA

2. G.MEENATCHI 12208203006

3. K.NISHANTHI 12208203009

4. T.PREETHI PRIYADHARSHINI

12208203011

The report of this project is submitted by the above students in

partial fulfillment for the award for the Bachelor of Technology Degree in

Chemical Engineering of Anna University are evaluated and confirmed to the

report of the work done by the above students.

INTERNAL EXAMINER EXTERNAL EXAMINER

ACKNOWLEDGEMENT:

First of all we would like to express our sincere thanks to GOD the Almighty for being a part of our every moment in life, giving strength and confidence in performing our deeds perfectly and travelling in the right path of progress.

We thank our beloved Chairman Prof. Dr. R.Rangarajan B.E. (Elec.), B.E. (Mech.), M.S. (Auto.), D.Sc., and Vice chancellor Dr. Sakunthala Rangarajan, M.B.B.S, for giving us the opportunity to work on a project and for the successful completion of our under graduate B.Tech degree course.

Our sincere thanks to Director Mr.K.V.D Kishore Kumar, B.E, M.B.A

and our Managing Trustee Mrs. Mahalakshmi Kishore kumar, B.E, M.B.A

who showed keen interest in developing our skills to perform our project work.

We extend our gratitude to Principal Dr K.V.Sudarason, B.Sc, M. Tech,

Ph.D & vice principal P.Karthikeyan M.tech.for monitoring and enhancing

the betterment of our process on the whole.

Our heartily thanks to our HOD Mr. E. Vasanth Kumar, M.Tech for

helping us each and every moment without whom the project would not have

been a success.

Also, we would like to extend our gratitude to Mr.S.Nirmal kumar

(Design Engineer ) & Mr.Murugavel (Incharger) who helped to do our project

under their supervision in ORCHID CHEMICALS AND

PHARMACEUTICALS LTD.,ALATHUR.

We thank our Internal guide Mr.A.Saravana Raj, M.Tech for guiding and

providing us some of the valuable information for the successful completion of

the project .Once again we would like to express our sincere thanks to one and

all who rendered their support for our project.

SYMBOL ABBREVIATION UNIT

F MOLAR FLOW RATE OF FEE Kg/hr

D MOLAR FLOW RATE OF DISTILLATE Kg/hr

W MOLAR FLOW RATE OF BOTTOM Kg/hr

T TEMPERATURE OC

CP SPECIFIC HEAT OF CAPACITY KJ/Kmol K

λ LATENT HEAT OF VAPORISATION KJ/Kmol

K THERMAL CONDUCTIVITY W/m.K

ρ DENSITY Kg/m3

Cp SPECIFIC HEAT CAPACITY J/Kg.K

V VAPOR RATE Kg/s

L LIQUID RATE Kg/s

ρv VAPOR DENSITY Kg/m3

ρL LIQUID DENSITY Kg/m3

A AREA m2

Z HEIGHT OF THE COLUMN m

HOG HEIGHT OF OVER ALL GAS TRANSFER UNITS m

m MASS FLOW RATE Kg/hr

HL HEIGHT OF LIQUID PHASE TRANSFER UNITS m

HG HEIGHT OF GAS PHASE TRANSFER UNITS m

D . DIFFUSITIVITY m2/s