GB/T 18916.27-2017Norm of water intake—Part 27: Urea (English PDF)
取水定额 第27部分：尿素
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 12, 2017
Implementation date
December 1, 2017
Scope
GB/T 18916.27-2017 is the English-translated version of 取水定额 第27部分：尿素.
GB/T 18916.27-2017 is Part 27 of the Chinese water intake quota series and deals with urea production. It defines urea production as the whole process that turns liquid ammonia and carbon dioxide into urea, through compression, urea synthesis, decomposition and recovery of unreacted material, concentration, granulation and recovery of process waste.
It sets out how water intake is calculated: which sources count, from surface water and groundwater to town supply and purchased steam or hot water; which main, auxiliary and ancillary production units fall within the supply boundary; and that the enterprise-level meter reading prevails.
Water intake per tonne of urea follows a formula, and the part also sets the quotas. It applies to the water management of existing, new and expanded urea plants. It was issued on 12 May 2017 and has applied since 1 December 2017.
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Document preview — GB/T 18916.27-2017
National Standard of the People's Republic of China
- ICS
- 13.060.25
- Classification
- P 41
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative reference documents
- 3 Terms and definitions
- 4 Calculation method
Foreword
GB/T 18916 "Water quota" is divided into the following 29 parts.
Part 1. Thermal power generation;
- Part 2. Steel joint ventures;
Part 3. oil refining;
- Part 4. Textile dyeing and finishing products;
- Part 5. Papermaking products;
Part 6. Beer manufacturing;
- Part 7. Alcohol manufacturing;
- Part 8. Synthetic ammonia;
- Part 9. MSG manufacturing;
- Part 10. Pharmaceutical products;
- Part 11. Coal preparation;
- Part 12. Production of alumina;
- Part 13. Ethylene production;
- Part 14. Wool textile products;
- Part 15. manufacture of liquor;
- Part 16. Production of electrolytic aluminum;
- Part 17. Production of stacked bauxite;
- Part 18. Copper smelting production;
- Part 19. Lead smelting production;
Part 20. chemical fiber filament weaving products;
Part 21. Silk products;
- Part 22. Manufacture of starch sugar;
- Part 23. Production of citric acid;
- Part 24. Hemp textile products;
- Part 25. viscose fiber products;
- Part 26. Soda ash;
- Part 27. Urea;
- Part 28. Industrial sulfuric acid;
- Part 29. caustic soda.
This part is part 27 of GB/T 18916.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part of the GB/T 18820 "industrial enterprises in accordance with the provisions of the provisions of water supply quota" to develop the principles set.
1 Scope
This part of GB/T 18916 specifies terms and definitions, calculation methods and water intake quotas for urea production effluent quotas.
This part applies to the existing, new and expansion of urea production enterprises to take water management.
2 Normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this document. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 12452 General rules for water balance testing
General rules for the compilation of water supply products for industrial enterprises
Water - saving terminology for industrial water use
General rules for the preparation and management of water metering equipment
3 Terms and definitions
GB/T 18820 and GB/T 21534 and the following terms and definitions apply to this document.
3.1 Urea production
To liquid ammonia, carbon dioxide as raw material, ammonia and carbon dioxide compression, urea synthesis, unreacted decomposition and recovery, urine concentration Shrink and granulation, process waste recovery process to prepare the whole process of urea products.
4 Calculation method
4.1 General provisions
4.1.1 Water intake range
The range of water intake refers to the amount of water that the enterprise extracts from a variety of conventional water sources, including water from the surface water (measured by the water supply), groundwater, Town water supply projects, and other water or water products (such as steam, hot water, geothermal water, etc.) purchased from the market.
4.1.2 Scope of water supply
The scope of supply of urea production, including the main production (including urea production, carbon dioxide compression, etc.), auxiliary production (including water Management, transportation, etc.) and ancillary production (including office, green, factory canteen, bathroom and bathroom, etc.).
4.1.3 Measurement of water intake
The amount of water intake to the enterprise level meter measurement shall prevail.
4.2 Tons of urea intake
Ton of urea water intake by type (1).
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 12452-2022 — General principles of water balance test
GB/T 18916.1-2021 — Norm of water intake - Part 1: Thermal power production
GB/T 18916.10-2021 — Norm of water intake - Part 10: Chemical pharmaceutical products
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