MINISTRY OF INDUSTRY AND TRADE | SOCIALIST REPUBLIC OF VIETNAM |
No. 39/2019/TT-BCT | Hanoi, November 29, 2019 |
CIRCULAR
ENERGY CONSUMPTION QUOTA OF CANE SUGAR PRODUCTION
Pursuant to Decree No. 98/2017/ND-CP dated August 18, 2017 of the Government on functions, tasks, powers, and organizational structure of the Ministry of Industry and Trade;
Pursuant to Law on Efficient and Effective Use of Energy dated June 28, 2010;
Pursuant to Decree No. 21/2011/ND-CP dated March 29, 2011of Government on elaborating to Law on Efficient and Effective Use of Energy;
At request of Director General of Energy Efficiency and Sustainable Development Department;
Minister of Industry and Trade promulgates Circular on energy consumption quota of cane sugar production.
Chapter I
GENERAL PROVISIONS
Article 1. Scope
This Circular prescribes:
1. Energy consumption quota of cane sugar production during the period that lasts until the end of 2025 and the period from 2026 to the end of 2030.
2. Methods of determining energy consumption in cane sugar production facilities.
3. Artificial sweeteners, dextrose, bioethanol, and other sugar products are not within the scope of this Circular.
Article 2. Regulated entities
1. Cane sugar production facilities with scale upwards of 1.000 tonne of cane/day on a nationwide scale.
2. Other relevant agencies and organizations.
Article 3. Definition
1. “specific energy consumption” (SEC) refers to total energy necessary to produce one tonne of products, is expressed in Mega joule (MJ).
2. “energy consumption quota” refers to the desired SEC in each stage according to this Circular.
3. “white sugar” (is known as 'refined standard’, or ‘RS’ in Vietnam) refers to sucrose which has been refined and crystallized with a minimum of 99,7oZ of pol according to TCVN 7968:2008 on Sugars.
4. “refined sugar” (is known as ‘refined extra’, or ‘RE’ in Vietnam) refers to sucrose which has been refined and crystallized directly from sugarcane, raw sugar, or other ingredients mentioned under the TCVN 6958:2001 Refined sugars.
5. “brown sugar” refers to sucrose with a distinctive brown color due to being coated by molasses. Brown sugar is a non-refined or partially refined granulated sugar according to the National Standards TCVN 7968:2008 (CODEX STAN 212: 1999) regarding description of sugar products ready for use without further processing.
6. “raw sugar” refers too sucrose which has been crystallized from sugarcane juice, and partially, but not entirely, processed for centrifugal or drying, and characterized by sucrose crystals coated with molasses according to TCVN 7968:2008 Sugars.
7. “equivalent product” refers to a result of converting different sugar products manufactured from sugarcane to a product equivalent to white sugar in order to calculate SEC of a product unit.
Chapter II
ENERGY CONSUMPTION QUOTA AND SOLUTIONS FOR INCREASING ENERGY EFFICENCY IN CANE SUGAR PRODUCTION
Article 4. Methods of determining SEC
SEC in cane sugar production is determined using methods under Appendix I hereof.
Article 5. Energy consumption quota
1. Energy consumption quota of cane sugar production for the period that lasts until the end of 2025.
No. | Production facility’s scale | Unit | Quota |
1 | 1.000 to 3.000 tonne of sugarcane/day | MJ/tonne of equivalent products | 30.000 |
2 | 3.000 to 6.000 tonne of sugarcane/day | MJ/tonne of equivalent products | 23.000 |
3 | Upwards of 6.000 tonne of sugarcane/day | MJ/tonne of equivalent products | 19.000 |
2. Energy consumption quota of cane sugar production for the period that lasts from 2026 until the end of 2030.
No. | Production facility’s scale | Unit | Quota |
1 | 1.000 to 3.000 tonne of sugarcane/day | MJ/tonne of equivalent products | 25.000 |
2 | 3.000 to 6.000 tonne of sugarcane/day | MJ/tonne of equivalent products | 18.000 |
3 | Upwards of 6.000 tonne of sugarcane/day | MJ/tonne of equivalent products | 17.000 |
Article 6. Requirements regarding assurance of energy consumption quota in stages
1. SEC of a cane sugar production facility in each stage must not exceed the energy consumption quota mentioned under Article 5 hereof, to be specific:
a. Before January 1, 2026, the cane sugar production facility must meet the quota under Clause 1 Article 5 hereof;
b. Before January 1, 2031, the cane sugar production facility must meet the quota under Clause 2 Article 5 hereof.
2. In case SEC of a cane sugar production facility is higher than quota intended for the stage, the facility must prepare and adopt solutions for improving energy efficiency so as to fulfill requirements under Article 5 hereof.
3. Before August 15 of every year, cane sugar production facilities are responsible for submitting reports on their compliance with energy consumption quota for the period from August 1 of the previous year to July 31 of the current year in accordance with Appendix IV hereof to the local Departments of Industry and Trade in writing.
Article 7. Solutions for increasing energy efficiency in cane sugar production
1. Solutions relating to management include:
a. Improve management of energy consuming activities in cane sugar production facilities;
b. Develop and maintain energy management system in cane sugar production facilities.
2. Solutions relating to engineering and technology include:
a. Optimize manufacturing procedures;
b. Use energy efficient equipment.
3. Cane sugar production facilities are encouraged to adopt solutions for improving energy efficiency in accordance with Clause 1, Clause 2 Article 7 and Appendix II attached hereto.
Chapter III
ORGANIZATION FOR IMPLEMENTATION
Article 8. Responsibilities of Energy Efficiency and Sustainable Development Department
1. Take charge and cooperate with relevant authorities in guiding, inspecting, and supervising the implementation of this Circular.
2. Cooperate with Departments of Industry and Trade of provinces to inspect the implementation of energy consumption quota and feasibility of plans in order to enforce energy consumption quota in roadmaps.
3. Consolidate and submit reports on implementation of the Circular to the Ministry of Industry and Trade and propose actions against failure to adequately implement this Circular.
Article 9. Responsibilities of Departments of Industry and Trade
1. Cooperate with the Energy Efficiency and Sustainable Development Department and Ministry of Industry and Trade in guiding, promoting, and inspecting the compliance with this Circular.
2. On an annual basis, guide, promote, and inspect reports produced using Appendix IV and compliance with energy consumption quota of cane sugar production facilities of provinces and cities under this Circular.
3. On an annual basis, inspect feasibility of plans in order to ensure adherence to energy consumption quota of cane sugar production facilities in provinces and cities which have not met energy consumption quota.
4. Consolidate annual implementation of energy consumption quota of cane sugar production facilities in provinces and cities and submit written reports to Energy Efficiency and Sustainable Development Department, Ministry of Industry and Trade before September 15 every year in accordance with Appendix III hereof.
Article 10. Transition clauses
1. Within 6 months from the effective date hereof, cane sugar production facilities which are unable to determine energy consumption quota as per this Circular are responsible for installing adequate energy meter in order to calculate SEC of the facilities.
2. Within 12 months from the effective date hereof, cane sugar production facilities which have not met energy consumption quota in accordance with Article 5 hereof are responsible for producing plans for improving energy efficiency in order to meet energy consumption quota and reporting to the local Departments of Industry and Trade.
Article 11. Entry into force
1. This Circular comes into force from January 14, 2020.
2. Difficulties that arise during the implementation of this Circular should be reported to the Ministry for consideration./.
| MINISTER |
APPENDIX I
METHODS OF DETERMINING SPECIFIC ENERGY CONSUMPTION IN CANE SUGAR PRODUCTION FACILITIES
Attached to Circular No. 39/2019/TT-BCT dated November 29, 2019 of Minister of Industry and Trade
1. Scope of assessment shall be the cane sugar production facilities, excluding areas for cultivation, planting, transport vehicles, and electricity generated onto national electrical grid.
2. Period of determining SEC of cane sugar production facilities lasts from August 1 of the previous year to July 31 of the reporting year.
3. Parameters used in calculation of SEC in cane sugar production facilities:
Parameter | Explanation | Unit |
EPR | Total primary fuel | MJ |
E_P | Purchase electricity | kWh |
E_S | Sold electricity | kWh |
PRS | Amount of white sugar produced during the period in which SEC is being determined | tonne |
PR | Amount of raw sugar produced during the period in which SEC is being determined | tonne |
PBR | Amount of brown sugar produced during the period in which SEC is being determined | tonne |
PRE | Amount of refined sugar produced during the period in which SEC is being determined | tonne |
4. SEC of cane sugar production facilities is determined using Formula 1 below:
(Formula 1)
In which:
- SEC: Specific energy consumption [MJ/tonne of product]
- EPR: Total primary fuel [MJ] and determined using Formula 2 below:
(Formula 2)
In which:
□ Fi: Type i primary fuel
□ CFi: Heat capacity of type i fuel (Refer to Schedule at the end of Appendix I)
- EE_P: Electricity purchased form electrical grid [MJ] and determined using Formula 3 below:
EE_P = E_P * CF [MJ] (Formula 3)
In which:
□ E_P: Electricity purchased from electrical grid [kWh]
□ CF: Heat capacity (Refer to Schedule at the end of Appendix I)
- EE_S: Primary fuel for producing Electricity sold onto the grid [MJ] and determined using Formula 4 below:
(Formula 4)
In which:
□ E_S: Electricity sold onto the grid [kWh]
□ CF: Heat capacity (Refer to Schedule at the end of Appendix I)
- Ptd: Total equivalent products [tonne of products]. In order to ensure consistency when making comparisons, all sugar products (raw sugar, brown sugar, white sugar, and refined sugar) are converted to equivalent products using Formula 5 below:
Ptd = PRS + 0,98315*PR + PBR + 1,09685*PRE [tonne] (Formula 5)
In which:
□ Ptd: Equivalent sugar product [tonne]
□ PRS: White sugar product [tonne]
□ PR: Raw sugar product [tonne]
□ PBR: Brown sugar product [tonne]
□ PRE: Refined sugar product [tonne]
□ 0,98315: conversion factor from raw sugar to equivalent product
□ 1,09685: conversion factor from refined sugar to equivalent product
Due to the many forms of energy, forms of energy will be converted using the factors below:
No. | Form of energy | Unit | Factor MJ/unit |
1 | Electricity | kWh | 3,60 |
2 | Type 1, 2 coal dust | Tonne | 29.309 |
3 | Type 3, 4 coal dust | Tonne | 25.122 |
4 | Type 5, 6 coal dust | Tonne | 20.935 |
5 | Diesel oil | Tonne | 42.707,40 |
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| 1000 liters | 36.845,60 |
6 | Fuel oil | Tonne | 41.451,30 |
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| 1000 liters | 39.357,80 |
7 | Liquefied petroleum gas | Tonne | 45.638,30 |
8 | Gas (6 bar) | Tonne | 2.755,46 |
9 | Gas (7 bar) | Tonne | 2.761,00 |
10 | Gas (9 bar) | Tonne | 2.773,03 |
11 | Gas (15 bar) | Tonne | 2.801,93 |
12 | Gas (21 bar) | Tonne | 2.799,26 |
13 | Gas (23 bar) | Tonne | 2.800,82 |
14 | Gas (25 bar) | Tonne | 2.801,93 |
15 | Gas (30 bar) | Tonne | 2.803,15 |
16 | Gas (35 bar) | Tonne | 2.802,64 |
17 | Gas (40 bar) | Tonne | 2.800,82 |
18 | Gas (45 bar) | Tonne | 2.797,95 |
19 | Gas (50 bar) | Tonne | 2.794,21 |
20 | Gas (55 bar) | Tonne | 2.789,72 |
21 | Gas (60 bar) | Tonne | 2.784.59 |
22 | Gas (70 bar) | Tonne | 2.772,63 |
23 | Gas (80 bar) | Tonne | 2.758,68 |
24 | Gas (90 bar) | Tonne | 2.742.94 |
25 | Gas (100 bar) | Tonne | 2.725,49 |
26 | Gas (110 bar) | Tonne | 2.706,35 |
27 | Gas (120 bar) | Tonne | 2.686,45 |
28 | Sugarcane bagasse | Tonne | 7.464,00 |
29 | Sawdust | Tonne | 15.223,00 |
30 | Dried betle leaves | Tonne | 15.906,80 |
APPENDIX II
SEVERAL SOLUTIONS FOR INCREASING ENERGY EFFICIENCY IN CANE SUGAR PRODUCTION
Attached to Circular No. 39/2019/TT-BCT dated November 29, 2019 of Minister of Industry and Trade
1. Enhance internal management; formulate mechanisms for mandating energy efficiency responsibilities in production facilities.
2. Optimize combustion process in boilers by experimenting and adjusting boilers.
3. Utilize the resulting heat to dry sugarcane bagasse.
4. Ensure effective operation of energy-saving equipment in boilers.
5. Comply with periodic maintenance procedures of boilers and insulation layers around boilers.
6. Operate boilers at close to 90% of their rated capacity.
7. Increase superheated steam parameters and replace gas transmission system with electric motors in production lines.
8. Reduce corrosion of turbines.
9. Replace back pressure turbines with condensing turbine equipped with steam inlet.
10. Optimize steam distribution system.
11. Optimize technology process in evaporation of sugarcane juice.
12. Prepare evaporating equipment with design suitable for saving saturated steam.
13. Recirculate condensates.
14. Increase Brix content prior to processing.
15. Reuse steam from multiple effect evaporators.
16. Use continuous horizontal tube digester.
17. Retrieve heat produced from sugar drying process.
18. Automate sugar drying process.
19. Use steam instead of hot water if temperature above 950C is needed.
20. Improve air compressors.
21. Replace DC motors with AC motors.
22. Use high-efficiency transformers.
23. Replace regular motors with high-efficiency motors.
24. Install power inverters for motors.
25. Replace steam turbines with electrical motors for water pumps and crushers.
26. Install high-efficiency lighting system.
27. Invest in replacing sugarcane extracting system which utilizes crushing mills with that which utilizes diffusion in order to minimize the use of electricity and steam for pressing system and increase steam used for electricity generation.
28. Invest in modern inverter-driven batch centrifuges.
29. Invest in modernized sugar refining systems to replace conventional methods which utilize mixing blades.
APPENDIX III
SAMPLE REPORT ON IMPLEMENTATION OF ENERGY CONSUMPTION QUOTA IN CANE SUGAR PRODUCTION
Attached to Circular No. 39/2019/TT-BCT dated November 29, 2019 of Minister of Industry and Trade
(For use by Departments of Industry and Trade)
PEOPLE’S COMMITTEE OF ………… | SOCIALIST REPUBLIC OF VIETNAM |
No. ………… | (Location and date) |
REPORT
IMPLEMENTATION OF ENERGY CONSUMPTION QUOTA IN CANE SUGAR PRODUCTION IN ……… (year)
To: Energy Efficiency and Sustainable Development Department, Ministry of Industry and Trade
Pursuant to Circular No. ……./2019/TT-BCT dated ………………, 2019 of Ministry of Industry and Trade on energy consumption quota in cane sugar production, the Department of Industry and Trade of ………………… hereby submits report on implementation of energy consumption quota in cane sugar production under management as follows:
- Number of cane sugar production facilities: ………………………………
- Number of production facilities have submitted reports: ……………………………………
- Number of production facilities have not submitted reports: ……………………………………
In which:
- Number of qualified facilities: ……………………………………………………………
- Number of facilities requiring enhanced supervision: …………………………………
Details of cane sugar production facilities under management are listed below
Schedule 1. List of cane sugar production facilities under management
No. | Name of facility | TIN | Product (Tonne) | Report submission status | ||||
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| Raw sugar | Brown sugar | White sugar | Refined sugar | Submitted | Not submitted |
1 |
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2 |
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| Total |
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Schedule 2. SEC of cane sugar production facilities that have submitted their reports
No. | Name of facility | Total throughput (Tonne of products) | SEC (MJ/tonne) | Assessment | ||
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| Previous reporting period | Current reporting period | Qualified | Unqualified |
1 |
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2 |
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… |
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Total |
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Schedule 3. List of production facilities that require enhanced supervision
No. | Name of facility | Details placed under enhanced supervision | Specific notes, if any | ||
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| Not submitted reports | Unqualified | Other |
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1 |
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2 |
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… |
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Total |
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Propositions and recommendations regarding implementation of the Circular (if any)
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| REPRESENTATIVE OF DEPARTMENT OF INDUSTRY AND TRADE |
APPENDIX IV
SAMPLE ANNUAL REPORT ON IMPLEMENTATION OF ENERGY CONSUMPTION QUOTA
Attached to Circular No. 39/2019/TT-BCT dated November 29, 2019 of Minister of Industry and Trade
(For use by cane sugar production facilities)
Name of production facility | SOCIALIST REPUBLIC OF VIETNAM |
No. ………… | (Location and date) |
REPORT ON IMPLEMENTATION OF ENERGY CONSUMPTION QUOTA
To: Department of Industry and Trade of …………… Province/City
Pursuant to Circular No. ……/2019/TT-BCT dated ……………, 2019 of Minister of Industry and Trade on energy consumption quota in cane sugar production, …………… (Name of production facility) hereby submits report on implementation of energy consumption quota at production facility as follows:
- Name of production facility: ………………………………………………………………
- Address: …………………………………………………………………………………
- Tax identification number: ………………………………………………………………
The information below is compiled for the period from August 1, 20… to July 31, 20…
I. General information
Ingredients Tonne of sugarcane year | Productivity and product | ||||
| Raw sugar | Brown sugar | White sugar | Refined sugar | Other |
| Tonne / Year | Tonne / Year | Tonne / Year | Tonne / Year | Tonne / Year |
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II. Basic operational parameters
1. Boiler parameters:
Parameter | Unit | Boiler No. 1 | Boiler No. 2 | Boiler No. 3 | Boiler No. 4 |
Design capacity | Tonne/hour |
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Performing capacity | Tonne/hour |
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Working pressure | Bar |
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Exit temperature | oC |
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Annual steam flow rate | Tonne of steam/year |
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2. Steam parameters:
Inlet turbine | Exit turbine | Modern transmission | |||
Pressure | Temperature | Pressure | Temperature | Pressure | Temperature |
Bar | oC | Bar | oC | Bar | oC |
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III. Energy consumption parameters
1. Fuel:
Bagasse | Other biomass | Fuel oil | Diesel oil | Coal | LPG/CNG | Other |
Tonne / Year | Tonne / Year | Tonne / Year | Tonne / Year | Tonne / Year | Tonne / Year | Tonne / Year |
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2. Electricity:
Generator | Sell onto electrical grid | Purchase from electrical grid |
kWh / year | kWh / year | kWh / year |
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IV. Consumption rate
Parameter | Unit | Value |
SEC of current year | MJ/tonne of product |
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Energy saved for following year | MJ |
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| % |
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Estimated SEC of following year | MJ/tonne of product |
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Compared to quota of the same period last year | % |
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V. Plans for saving energy
No. | Name of solution | Energy-saving potentials | Progress | ||||||||||||||
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| Energy | Unit | Value | % potential | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
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VI. Propositions and recommendations regarding implementation of the Circular (if any)
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| (Location and date) |
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