Title: পরিবেশবান্ধব সোনালী ব্যাগ | Eco-friendly Sonali Bag | Invention of jute bags in Bangladesh
I am now in the Latif Bawany Jute Mills Limited, Demra.
It is the birthplace of the alternative to polythene and polybag.
Here, Dr. Mubarak Ahmad Khan invented the Sonali Bag.
This Sonali Bag now is a product of immense possibility.
The invention of Sonali Bag is a significant event for the world.
Because no alternative for polythene has been discovered worldwide yet.
But it has been invented in Bangladesh.
The golden future of this Sonali Bag will play a vital role for us.
We’re here to observe the activities of Dr. Mubarak Khan.
This significant incident happened in 2017 at the Latif Bawany Jute Mills Limited, Demra.
We are reaping the reward of many hardships today.
It will contribute significantly to the world.
Anyway, we’ll show you today the alternative to plastic, the biodegradable product.
It is being produced in the Demra.
If we work together to move this work forward, it will become easier.
It will also be a great support for Dr. Mubarak.
Dr. Mubarak, please show us the ongoing project in Latif Bawany Jute Mills Limited, various activities, and the process of making the Sonali Bag.
Kindly explain everything that is going on here in detail for us.
We want viewers to see, know, and understand that this Sonali Bag is the result of great hardship.
You reach this stage by overcoming various hurdles.
There is still much left to do.
We’ll now observe this and listen to you.
I will show you around the place properly.
These rooms were either store rooms or abandoned when we first started.
We have gradually developed them.
Besides inventing the Sonali Bag, I have developed all the machines from A to Z with my co-workers and local engineers.
I have the capacity of 1-ton production round the clock.
Not to mention the hurdles.
I often worked standing until 2 AM with my students to develop the machines.
I had to work on preparing formulas and developing machines simultaneously.
We’ve worked hard and we also faced financial crises.
I got a lot of help from BJMC (Bangladesh Jute Mills Corporation).
But I felt that more help would have been better.
There are rules for spending the government's money.
The work will be delayed if you follow these rules.
We’ve tried a lot.
We can spread it worldwide through mass promotion and production capacity.
Not only Sonali Bag, but we can also promote single-use plastic such as bin bags, and nursery pots in various sectors.
After the seedling grows in the nursery pot in 6 months, it will be easier to plant it in the soil.
There’s no need to remove the polythene, it can be planted as it is.
There are also such nursery pots.
The small bags of keeping pet animals’ stools are also being imported abroad.
We are also producing and selling commode covers.
It has multiple uses everywhere.
If I get money for manpower and machinery, I can take it far.
Let’s go inside to observe the activities.
Okay, let’s go.
I am explaining a flow chart for producing Sonali Bang from jute.
It is simple.
We use mill waste instead of the original jute.
This waste is lying in the mill and is of no use.
It is the waste.
We are working with the waste.
But if anyone builds an industry, they can use the original jute.
The main ingredient is this mill waste.
We take the main element cellulose inside the jute.
This is the cellulose.
We produce this after washing it.
This cellulose is not water-soluble.
We convert this cellulose into water-soluble.
It will dissolve in water.
This cellulose will not dissolve in water.
This water-soluble is the powder form of cellulose.
This is the biopolymer made from food items.
It looks like sugar.
Right.
We mix these two, water-soluble and biopolymers, and put them in a reaction tank.
We control temperature, pressure, and time and get this type of solution.
This solution is the main ingredient of Sonali Bag.
This is the thick viscous.
Depending on this viscosity or reaction, it is determined how long it takes to degrade, whether to do it quickly or for a long time, and how long it will sustain in the soil.
The black liquor extracted from this is an expensive material.
It is called lignin.
We are processing this lignin which is called brown gold.
One kg of this lignin can be sold at 2000 BDT.
We can get 1 kg lignin from 10 kg jute.
This black liquor is called lignin.
We get this brown gold from drying this black liquor.
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