How to Make Jaggery (Organic and Commercial) from sugar cane
Jaggery (Gur):
Manufacturing of Jaggery is from sugar cane followed by clarification and concentration process. It is Uncentrifuged sugar (i.e. Without separation of molasses) with minimum sucrose of 70% to 80% by mass. It is also called a Gur.
Flow Chart for Jaggery Making Process:
Main steps in jaggery making process:
Extraction of Juice
Clarification of juice
Concentration of juice
Extraction of Juice:
Generally, three roller mills are used for juice extraction. It is driven by an electrical motor or diesel engine. This extraction of juice is in the range of 60 to 70%. After extraction of juice, suspended matters are removed by cotton cloth or fine mesh screen.
Clarification of juice:
a) The sugar juice contains colloidal matter, inorganic salts, fiber, various nitrogenous substances, lipids, gums, wax organic acid, inorganic acid, pectin, etc. All these impurities were removed totally or partially in this clarification process.
b) In the clarification process generally used two types of clarificants are used they are Organic Clarificants and Inorganic Clarificants. In organic clarificants are from vegetable origin like Bendi, Sulkali, and Doela. Inorganic clarificants are used like Lime, Hydrous Power, and super phosphate.
c) The screen juice is taken in an open pan and firing starts slowly so that dissolved air escapes and gummy, colloidal substances get coagulated by the adding of clarificants as per requirement. It comes at the top surface of the juice known as scum and it is removed continuously. In this process temperature requirement is 70oC to 800
d) First added vegetable origin is simultaneously a small quantity of lime water added to reduce the acidity of juice but not to the extent to make juice neutrals because the taste and colour of gur produced will be inferior. In this lime process, pH maintained 6.2 to 6.5. In some cases super phosphate. P2O5, and 0.25% concentrated hydrous power are also added to obtain the good colour of Gur (jaggey). While juice temperature rises scum is removed by perforated strainers.
Concentration of juice:
After clarification is completed by vigorous boiling, the temperature of the boiling mass is around 110 to 115o Boiling takes place about 2 to 3 hours. The stage at which semi-fluid material is formed then it is transferred to rectangular boxes or Bucket shape boxes as per requirement. This mass is allowed to cool to a solid form.
Composition and specification of Jaggery (Gur):
a) It contains all the nutrients and substances present in cane juice. The nutrient value of jaggery is slightly higher than that of crystalline sugar because it contains all constituents which are generally separated in molasses in the manufacturing of sugar.
b) Recovery of jaggery in the range from 8 to 12% that depending upon the total solids in cane.
c) Jaggery is graded in the market according to the basis of color, taste, hardness, and crystallinity which is judged by visual appearance. While practically graded jaggery should be considered sucrose %, reducing sugar, moisture, and colour.
Specifications Of Jaggery |
|||
| S.No. | Characteristic | Grade 1 | Grade 2 |
|
1 |
Sucrose % by mass( Min) | 80 | 70 |
|
2 |
Reducing Sugars% by mass (max) | 10 | 20 |
|
3 |
Moisture % by mass ( max ) | 5 | 7 |
|
4 |
Water Solubility % by mass (max) | 1.5 | 2 |
|
5 |
Sulphited Ash % (max) | 3.5 | 5 |
|
6 |
Ash Insoluble in dilute HCL % by mass (max) | 0.3 | 0.3 |
|
7 |
Sulphur Dioxide In PPM | 5 | 5 |
| Note: Total Sugars expressed as invert sugar on a dry basis shall be 90% from both grade 1 & grade 2 | |||
Storage of jaggery:
Jaggery is consumed throughout the year in daily regular practice. The jaggery deteriorates faster in the monsoon season when relative humidity is more than 70%. During this season gur absorbs moisture from the atmosphere and becomes viscous and dark colour. Hence jaggery blocks are packed in gunny bags along with waterproof sheets.
Organic Jaggery-making Process:
In Manufacturing organic Jaggery takes care from growing of sugar cane. In sugar cane cultivation maximum use only natural organic fertilizers like cow dung.
The difference between organic and commercial jaggery-making is mainly in the clarification process. In organic jaggery making process used only organic clarificants and a little bit of lime to decrease the acidity of the juice. So organic jaggery colour having dark when compared with commercial jaggery.
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40 thoughts on “Jaggery Making Process from Sugar Cane | Gur Manufacturing”
Naveenkumar
(August 27, 2017 - 3:20 pm)Interested in setting up automatic jaggery plant. Kindly send me the details and quotation for the same
David lubega
(March 4, 2023 - 7:36 pm)I would like to establish a 30tp jaggery plan send me the quotation
Shankaragoud S Patil
(October 2, 2017 - 3:54 pm)Please send quotation of automatic plant of jaggery 50tpd
SUDHIR MUNDEKAR
(June 18, 2018 - 5:06 pm)I am planed to invest in won jiggery plant its daily jiggery capacity is 25 MT /day we continue running plant on 7 mounth
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what is processing cost per MT
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Rajeev
(January 18, 2018 - 3:51 am)Price for fully automatic plant
amar pratap singh
(August 27, 2018 - 6:29 am)Dear Sir,
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Sachin mane
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(February 12, 2018 - 2:05 pm)Please send quotation of automatic plant of jaggery
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(February 22, 2018 - 2:30 am)Short but sweet information I really like it.
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(February 22, 2019 - 2:53 pm)Dear Sir,
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(February 28, 2019 - 11:49 am)Pl.send me process description of 10 kg per batch over 8 hrs for pilot plant.
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(March 8, 2019 - 9:59 am)Desi gur jagery
Ramya
(March 9, 2019 - 12:56 pm)Dear sir,
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(August 26, 2019 - 7:18 pm)Want the price and more feedback. So kindly reply. Need more information and some of factory visit.
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(September 11, 2019 - 9:20 am)Dear Sir/Madam,
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So pls give me details of project cost & required area , Manpower ,power capacity, fual option CNG /LPG/diesel/wood which is cheapest
what is processing cost per MT…
Thanks dear
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