1. Essential Drugs Company Limited
395-397, tejgaon industrial area, dhaka-1208
State owned pharmaceuticals company of Bangladesh
Trainees:
1. Md. Tanvir Akhtar Tonmoy.
2. Ballal Ahmed Robin.
3. Amitav Tikader.
4. Nazia Binte Rouf.

2. Company overview
Main objective is to
 manufacture quality
drugs
 supply to government
hospitals and health
institutions
Present capital is 2000
crore
Present manpower is
2500
Another drugs unit in
Bogra
KELP in khulna
ELPP plant Tangail

3. Company overview
Departments:
 Ware house
 Engineering
department
 Marketing
 Planning and
procurement
department
 Quality control
 Production
We visited:
 Engineering
department
 Quality control
 Production area

4. Engineering Department
Boiler:
fire tube 3-pass
boiler
2.5ton capacity
Maximum pressure
12bar
Fuel is natural gas

5. Engineering Department
Storage tank pump sand bed
carbon bed 10micron filter
storage tank cation exchanger
anion exchanger polisher
1micron filter UV lamp storage
tank(to store DM water)
Flow chart of DM(De-mineralized) water plant
Feed water from DM plant heat exchanger
3rd column 2nd column 1st column
primary heater vapor to 1st column
2nd column 1st column heat
exchanger cooling exchanger
condensed distilled water supplied for
production of saline / sterile
Flow chart of distilled water plant

6. Engineering department
Sub stations:
Two substations
11KVA supply from DPDC is
converted into 440KV using step
down transformer
Two generators of capacity
905KVA and 1000KVA
High tension switch gear to
transfer power to transformer
Generators have 2 exhausts and
4 filters
Generators have 24cylinder
engine
Total power consumption of
EDCL is 2MW and total connected
load is 3MW.

7. Engineering department
AHU:
 It has forced draft fan to collect hot
air from atmosphere
 Cold water from chiller circulates
through the cooling coil of AHU
 Air pockets as filters to remove dust
and filter the air
Central chiller system:
 4units of 20 tons and other 4 units
having 40 tons each
 Refrigerant used was R-22
 Hot water entered at 18˚-16˚C and
left at 4˚-6˚C
 4units have rotary type and other
4units have reciprocating type
compressor
 Condensers were inclined radiator
type

8. Engineering department
Dehumidifiers:
 Air from AHU is run through
dehumidifier
 Contains silica gel
 Silica gel is heated further to reuse it
Duct system and portable dust collector
system were also observed.

9. Production Section
The production section has five
units:
1.Tablet section
2.Sterile area
3.Peneciline area
4.Liquid area and
5.ORS section
 Penicillin section was highly
restricted so it was observed
from outside.
Observed machines:
 Otto Hansel machine (for stripping)
 Encapsulation machine
 Blister machine
 Cam blister machine
 Tablet compression machine
 Capsule filling machine etc

10. Quality control department
 samples were tested against a standard sample
 All the testing principles were mainly different kinds of chromatography
 The machines observed here:
1. UV spectrometer
2. IR spectrometer
3. HPLC
4. Hardness tester
5. Dissolution tester etc

11. Assignment
 An assignment on calculating the boiler’s efficiency and measures can be
taken to enhance boiler’s capacity were submitted
 Outcome of the assignment:
Result : 82.33% efficiency.

12. Our journey with EDCL
It was quite an awesome experience having training here in EDCL.
The whole team of EDCL was very friendly and helpful. They helped
us understanding everything we were going through. We would like
to thank them for being so hospitable to us and wish them success in
every stair of their journey.