Internship at Hindustan Unilever Limited (HUL) || Report || Why Internship?

Internship Type|| Why || Report|| @HUL

My name is Shantanu Bombatkar from Khamgaon studying Chemical Engineering at SSBT’s College in Bambhori, Jalgaon. At the time of writing this blog, I am doing my Third Year. Chemical Engineering seems to be the well-known Branch for all, but the truth is that no-one other than chemical engineering and a true learner knows about Chemical Engineering.

Hul Internship

Many time people consider learning Chemistry in the deepest way possible as a Chemical Engineering but for real Chemistry is the only part of Chemical Engineering. So don’t make yourself confuse between the chemical engineering and Chemistry.

Now May may I asked You Something? Answered Without going/ reading first paragraph.

Can you tell me the College in which I am Studying or have Studied? You Obvious Answer is No.

Cause it not worth remembering that right?

But Now Listen I have Done My Internship in Hindustan Unilever Limited (HUL) Khamgaon. The International Company having an Annual turn over of 34525.00 Cr. Rs (from The most reputed FMCG not only in India but in the World. And doing Internship in this Company is the worth remembering and telling other.

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So in the Further Paragraph, I am going to Share my amazing Experience in HUL, what I get to learn not complete but in short, what is scheduled and So that you can get?

Brief Idea about Internship.

• In the internship, a student got to learn many things which he will never learn in the college s they provide the practical knowledge.

• There is fix Timing of the company in which we should.

• You should report your incharge in the morning and at the end of the day.

• Every day the incharge gives you a task and you should try to complete it but its ok if you do not complete it.

• There is always Off on weekends and government holidays whatever happen.

• Fix launch Time.

• The report is compulsory, everyone should present on the last day.

• The project should also be done as it helps you in the campus selection and gives you a chance to do an industry based project, taking help of the expert present in the industry who actually work on that task.

Paid internships: In this Student need to pay to any company, industries or frim for teaching and giving the practical knowledge i.e Internship.

Student give money and get the Internship.

Work research, virtual research (graduation) or dissertation: Mostly done by the final year student. In this both Student and Company who want to research on any particular topics contact each other and jointly try to go deeper in that research.

Unpaid: In this, you need to apply in any frim to get the internship

For this, you need to have someone

Partially-paid internships:

Virtual Internship: In this, you need to work from home, or any remote area, not need to present physically. The Company guide us and give us the task which have a complete in the given time.

This is most popular among the IT and CSE Student and Some Article Writing Frim. i.e Blogging,

Why internship is important?

In Academic, there are various why that teachers tell us to do an internship like.

• It is very Helpful in sharpening our skill and gaining practical knowledge.

• It is necessary, as it is a curriculum activity and your submission will not accept without the Internship Certificate.

And for all this reason, any student do an internship or bring a certificate from any known company directly without actually going in.

But in Addition to the above list, there are various importance why one should do an internship.

• It helps us to gain practical knowledge.

• Help us to understand how the company in which we are going to work in future actually work.

• We also got to know the Future, Scope and the Challenge in respective companies.

• Also get a real-world experience.

• Learn how to deal with people by observing the employees and officers.

Below is my report which I will which I had submitted in the Hindustan Unilever Limited company.

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It is always a pleasure to remind the fine people in the Hindustan Unilever limited for their sincere guidance to uphold my practical as well as laboratory skills in chemistry.

First of all, thanks to my parent for giving encouragement, enthusiasm and invaluable assistance to me. Without all this, I might not be able to complete this subject properly.

Second, I would like to thanks to Dr. S.A.Thakur Sir, training and placement officer, S.S.B.T. College Of Engineering and Technology, Bambhori, Jalgaon. for giving us the opportunity to undergo industrial training. They also gave me the guidance and support that helped me a lot in dealing with industrial training placement.

I want to express my deepest thanks to Miss Ashvini Chavan madam as a person in charge, production manager, Hindustan Unilever limited, Khamgaon which has helped me to manage matters related to this industrial training.

Besides, I would like to thank Mr. Akshay Memmen sir, Mr. Sharad Lohakare sir, Mr. Punjabi sir for extending their friendship towards me and making a pleasure training environment DFA plant and central laboratory and other factory areas.

Finally, I apologize for all other unnamed who helped me in various ways to have a good training.


No. Title Page

1. Acknowledgment

2. Introduction

3. Activity


• Analysis in laboratory

• Study Pears plant


• Objective

• Introduction

• Suggestion

5. Suggestion

6. Conclusion


Being the only international industry located in premises of this region, it has provided a wide variety of departments from science to humanities. The industry mainly focuses on the safety as they phrase SHE comes first including Safety, Health, Environment parameters. They maintain the safety of the workers in and around the industry. With a hospital for routine medical checkup and industry mainly focus on the maximum manufacturing minimum waste agenda. The industry offers a product with a quality check by various chemical tests at the central laboratory which contains A class apparatus, chemicals, analyzers, various instruments conducting the test. I have been undergone the industrial training to enhance skills in the laboratory and also in preparation too.

I have done doing my industrial training at Hindustan Unilever limited in Khamgaon that began from 7 June 2018 to 22 June 2018. For being here I have been trained to analyze some ingredients in soap such as DFA also CSFA, RESIDUE, etc. I have also been introduced with many ways to determine Moisture, Acid value, Saponification value, etc. by using moisture analyzer or different laboratory methods.

Besides that, we manage to use the GLC machine and Tintometer properly. I have also participated in some activities and I had been run a project which is to be analyzed soon.

DFA (Distilled Fatty Acid) Plant.

Distilled Fatty Acid is a raw material required for manufacturing of the Soap. All Soap contain DFA as a raw material and production of this raw material is produced in DFA Plant by going through a different process.

In this DFA Plant, the main Product is the DFA (Distilled Fatty Acid) and produce some byproducts like Glycerin which is obtained after some processing on sweet water, Residue and Voilite obtained after the production of DFA.

This Plant is divided into four part

FSP=>FAD=>Sweet Water Treatment=> Sweet Water Evaporation

FSP (Fat Spitting Process)

This is the first part of the DFA Plant which includes the Spitting of the Fatty acid i.e. Blend Oil

1] First the Oil from Tank farm get to Basket filter where it gets filtered, then it goes to surge vessel to remove air, then the oil goes to preheater and from this it goes to spitting tower-1 and by same process water goes to spitting tower-2, here it gets mixed at 30 Hg/mm and high temp. of 2300-2400C and 2400-2450C in spitting tower 1 and 2 respectively.

Here at this Pressure and Temperature oil get spat and CSFA and Sweetwater are obtained. CSFA from spitting tower 2 and Sweetwater from Spitting tower 1. after then it goes to CSFA receiver and Sweetwater receiver.

FAD (Fatty Acid Distillation)

In this Part, the CSFA produces in the FSP is used as raw material and production of DFA is done using the following process.

1] In FAD, CSFA is the raw material, first, it gets filtered by Basket Filter.

2] Then it moves to SHE and gets heated then after some temperature rises its move to the dryer.

3] In the Dryer the moisture get dried, and move to the CSFA preheater and get heated and after that moves to precut.

4] In the Precut in temperature rise to 1850 C- 2000C and pressure 2-3 mmHg and here the volatile get separated by condensation in the condenser and get collected in the Volatile receiver and oil moves to Main Steel.

5] In the Main Steel the Temperature rise to 2300 C-2320C and pressure is 2-5 mmHg this make the residue to settle at the bottom and by condensing the Steam and collecting it DFA the Final product is obtained.

6] This Residue is store in Residue Receiver and the DFA is store to DFA Receiver tank, and then moves to the tank farm.

7] In the Tank farm DFA can Be Stored for 8 days by Blanketing the Nitrogen over the tank.

Sweet Water Treatment

  • In this Sweet Water Treatment Plant, the Sweetwater obtained as the raw material in the FSP Plant is treated in this treatment the oil is separated from the sweet water by adding some chemical i.e. EAU and after this treatment Glycerin is obtained by evaporation of water from this sweet water.

1] Sweetwater from the storage tank is fed to Sweet Water Tank and here the treatment takes place.

2] In the Sweet Water Tank EAU is added to separate oil and Water layer and takeout manual. This Tank contains Coil and air and caustic pipe to maintaining PH level up to 8.5-9.

3] After all this treatment which take 1.30 min approx. it moves to the evaporation plant.

SWE (Sweet Water Evaporation)

In this part of DFA Plant, the Crude Glycerin is obtained by evaporation of the treated sweet water from the Treatment plant.

Evaporation plant Consist of 3 Evaporation tank and 3 expansion vessel which is under pressure, barometer connected to expansion vessel 3.

1] After the Sweet Water Treatment it comes to Sweet Water Evaporation plant and then here it passed through the preheater and get some temperature.

2] Afterward that it moves to the expansion vessel 1 and the circulation between evaporator 1 and expansion vessel 1 is carried out.

3] Catch All is connected to an expansion vessel for production of High-Pressure Steam.

4] From the expansion Vessel 1 the Sweetwater moves to Expansion vessel 2 and from there in circulating to evaporator tank 2 and this evaporator is connected to Condensate drum 2.

5] Catch All is connected to Expansion vessel 2 From this expansion vessel it goes to expansion vessel 3 and circulates to evaporator 3 and this evaporator is connected to Condensate drum 3

6] Crude from the Expansion vessel three is collected and store and steam from the upper side goes to Catch all 3 and from there in barometer and get cooled and get a store in condensate tank.

• Analysis of Oil, Residue, Volatile and DFA in the DFA Plant.


1. To analyze the UnSap value of hard PDFA oil.

2. To analyze the Acid value, Colour, DOS, Iodine Value of all different.

3. To analyze the Glycerin Percentage in sweet water or in crude Glycerin.

4. To increase the proficiency and Control the Quality of DFA, and maintain the Standard.

Acid Value

Take a conical flask of normal temperature, take the Sodium sulfate anhydrous powder in filter paper with a sample (CSFA, DFA, Residue). Take 5 gram of sample (15-20 drops) in a conical flask. Then take a mixture of phenolphthalein and NaOH in minor quantity in 99% of pure Ethanol to the neutral solution. Then give heat by using heating mental at 80-100 C also add small stone of sand to avoid jumping. After heating adds 2-3 drops of phenolphthalein then titrate with 0.1 N NaOH solution and measure the burette reading.

(56.1×BR×Normality of NaOH)

AV = ————————————————

(sample weight)


Take a sample of DFA in 2-inch cell and put down in Tintometer and we obtained the values of color and calculate the color of DFA.

DFA colour= (Y+5R)

Iodine value

Take a sample of PFAD with Sodium sulfate powder. Add chloroform 25 ml. Add Wijis solution 25 ml by using a pipette. Keep this solution in dark for 30 min. After these solutions titrate with Sodium Thiosulphate (STS).Add 15-25 ml KI(potassium iodide).Add some Starch (act as an indicator) after the appearance of yellow color. Again titrate till solution gets colorless.


IV = ———————————————————

weight sample

Analysis of Finish Good


1. To analyze the AI Alcohol insoluble, AD Active Detergent, NaCl percentage, FCA Free.

2. To analysis of Leather, Alkalinity, GLC.

1] Active Detergent

Take a sample 1 gm with distilled water in beaker dissolve in water by using heating mental. Add 15 ml Chloroform and Ethelyne Blue 25ml in measuring cylinder. Makeup 1000 ml solution in measuring cylinder. titrate with Hyamine 0.004 molality, some blue color appears in measuring cylinder.

BR×3600×molarity of hyamine

Av = ————————————————-

sample weight

2] Alcohol Insoluble

Take a sample 2-2.5 gm sample (soap) in a beaker and add 95% Alcohol and dissolved it. Then heat on a water bath. After heating Take a Whatman filter paper put it on booker and put some alcohol for packed then these paper put in an oven at 100 C -110 C remove from oven and put in the desiccator. Take wt of this paper.

weight at dry alcohol insoluble matter

AI = —————————————————————- ×100

sample weight

3] NaCl %

Take a sample of approx 3-4 gm, dissolve it in 50ml Alcohol and 15 ml water then heat the sample on heating mental. Add 5-6 ml Nitric acid with 10 ml of AgNO3.Add indicator Ammonium ferric sulfate. Titrate with KSCN until light pink color appear.

(BR × Normality AgNO3 ) – 10×KSCN×5.85

NaCl % = ——————————————————————–

sample weight

4] FCA Free Acid

Take a sample of approx 5-6 gm, dissolve in 95% pure Alcohol in 100 ml solution. Add phenolphtheyne indicator and titrate with HCl.

BR×3.1×N HCL

FCA = —————————————–

sample weight

5] Leather

Take 5 gm of sample mixed with the hard water. Shake for 2 min and make foam put in 1000 ml cylinder and measure the range of foam. Note down the reading.


Leather = ———————————-

volume reading

6] Alkalinity

Follow the same procedure as it is of Alcohol insoluble. Then filter paper is washed with distilled water. Heat and add Methyl orange. Titrate with 0.05 N HCl color will change and get pink.

5.3×N HCL ×BR

Alkalinity = ————————————

sample weight

7] GLC (Gas Liquid Chromatography)

Calculate the moisture of soap. Take this sample crushed it. Add of 3 ml of Boron trifluoride Methanol complex solution (BFT). Heat it on a water bath at 85 0C for only 4-5 min. Add 6 ml Heptane (used to stop CNO init heat), just warm it. These will form methyl ester then add brine solution which separates the soap and oil.

This method will be used to know the quantity of Linolic acid, Steric acid, Palmitic acid, Lauric acid, Capric acid present in the Soap.


The required raw material stored in a stock tank such as PEG, Caustic, CNFA.The pre-melter contain the material PG, PEG, Steric acid, Lauric acid and Hd-Pko.the capacity of pre-melter is about 60 tonnes and its temperature is 40-45 C. Then it blends with the pump.PEG and PG act as solvent and Hd-PKO is oil. The main component is oil and caustic. the caustic range might be 0.50-1.60.

It is passed through scrap melter to the Primary vessel which is consist of Rosin, BHT, caustic, salt, Gly and water. Rosin act as a binding agent, BHT is anti-fungal, salt is used for destroyed lumps present in it. its temperature is 500C and takes 50 min. the pre-primary vessel contains EHDP, EDTA, sorbitol, and recyclable soap. EDTA and EHDP are required 85 C and 5 min action but pours in the vessel in an alternative manner. Sorbitol and SLS required 82 C – 15min .if caustic is required to add in secondary vessel. After the primary vessel is filtered and goes to the secondary vessel.

In the secondary vessel, color is added such as yellow(quinoline), perfumes and IPA. The temperature of the secondary vessel is 80 Degree Centigrade. IPA and water is the penaturate spirit which decides the transparency of soap. There is a CCP (critical control process) in which impurities, color, and any foreign matter are removed. Then the bar sample takes and goes to the lab. After approval, the batch is dispatched to the bar schematic cooler and produce 90 bar at a time. This bar undergoes to the stamping and packaging…


To avoid the Carryover of Sweet Water from the 3rd Expansion vessel tank to ICW Cooling Tower.


1] To Stop the Carryover of Sweetwater in ICW cooling tower.


1] Add Antifoaming Agent in the Sweetwater treatment tank to avoid the tank level error occur when manually checked.

2] Bend the Pipe in the Expansion vessel -3, as this is near the vacuum suction this also one of the main reason for carryover water.

3] Maintain the level of expansion vessel tank.

a) Add an Auto Control Valve to the inlet of sweet water from evaporator 2 and b) Add a Level indicator to expansion vessel-3 and give the automation to stop the feed inlet from the Sweetwater tank.

c) Make the Seal Pot big in the width and add Semi-permeable membrane to trap Glycerin and this passes water from it.

d) Add Glycerin Adsorption material in seal pot i.e. Magnesium Silicate, Silicate Crystal.


Based on experience for 16 days in Hindustan Unilever, this suggestion can be taken into consideration to upgrading future practical training in this place:

1. The duration of training may be longer as it will be more beneficial, giving more exposure to the trainers to allow them to understand the flow of the project. The shorter duration was not viable for practitioners to let the trainee handle a project more comprehensively. The longer duration would give the students more time to explore and experience on the project.

2. Should add a Level indicator i.e. Transparent Glass Pipe, having the scale at back side to show the level, to every Tank in DFA Plant this helps to know the Level by just seeing it and also show two different layer of oil and water, this will also save some loss occurs while operating it manually without knowing the level and for keeping it hot give it a steam line joint connection.


Hindustan Unilever Limited (HUL) is the Best Company in the world and also the best place for a Chemical Engineer to get exposure to the chemical industry. From this industrial training, the student can improve their laboratory skills, problem-solving skill by giving them such kind of project and task and also can increase their knowledge.

Besides, I also can train myself to be good in attitude while doing my work. In addition, my problem-solving skills and research skills can also be improved as when I was doing a project on avoiding the Carryover of sweet water from 3rd Expansion Vessel to enter in Cooling Tower. This Knowledge is important for our Chemical Engineering student who wants to work in industries in the future.


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In India half of the population is below the age of 30. We have a lot of youngsters who can contribute to the growth of our country. Now if we come together and think to develop our country then we definitely make it happen. Now we have that power, that we can make Dr. Abdul Kalam ’s dream true India a Powerful nation of in the World. And the Government is also with us as they have also an initiated lot of program that helps students.

1. Government is giving ScholarShip this is not given to scholar or deserved (Given on the Basis of Caste which is a bad thing).

2. Government is giving Free Internship in many international as well as National Companies.

3. Various Exams is taken to challenge Knowledge but sadly this does not help to test the talent of the student. Which is also necessary to get the check.

4. Taking Science Exhibition at Taluka Level District Level State and Also Nation Level. This also helps a student in showing their skill and get explore the world of Tech in a true manner.

And We Such have to come and Join this to make our growth and doing this we are indirectly helping our Country grow and to become a SuperPower.


  1. At Unilever, we are proud to help young students and graduates around the world acquire work experience. In some countries, internships are legally mandated. If you are in such a country, please contact your local Unilever office for more details about how you can apply for such an internship with us.
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