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| GB 32051-2024 | English | 260 |
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Norm of energy consumption per unit production of titanium dioxide and iron oxide pigments
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GB 32051-2024: Norm of energy consumption per unit production of titanium dioxide and iron oxide pigments
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB32051-2024
GB
NATIONAL STANDARD OF THE
PEOPLE'S REPUBLIC OF CHINA
ICS 27.010
CCS F 01
Replacing GB 32051-2015
Norm of energy consumption per unit production of
titanium dioxide and iron oxide pigments
Issued on: APRIL 29, 2024
Implemented on: MAY 1, 2025
Issued by. State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Terms and definitions... 5
4 Grades of allowance values of energy consumption... 5
5 Technical requirements... 6
6 Statistical scope and calculation method... 6
Appendix A (Informative) Standard coal coefficients of various energy sources
(reference values)... 10
Appendix B (Informative) Standard coal coefficients of main energy-consumed
mediums (calculated by energy source equivalent value) (reference values)... 13
Norm of energy consumption per unit production of
titanium dioxide and iron oxide pigments
1 Scope
This document specifies the grades of allowance values, technical requirements,
statistical scope and calculation method for the energy consumption per unit products
of titanium dioxide and iron oxide pigments (referred to as energy consumption).
This document is applicable to the calculation and assessment of energy consumption
of production enterprises of titanium dioxide produced by the sulfate process with
ilmenite, titanium concentrate or acid-soluble titanium slag as the main raw materials,
titanium dioxide produced by the chloride process with natural rutile, artificial rutile or
high-titanium chloride slag and chlorine as the main raw materials, and iron oxide
pigments with scrap iron, ferrous sulfate, nitric acid and sulfuric acid as the main raw
materials, as well as the energy consumption control of new projects and renovation
and expansion projects.
This document is not applicable to the hydrochloric acid method for the production of
titanium dioxide chloride and the low-grade blast furnace titanium-containing slag low-
temperature titanium dioxide chloride production process.
2 Normative references
The provisions of the following documents constitute the essential clauses of this
document through normative references in this text. Among them, for referenced
documents with dates, only the versions corresponding to the dates are applicable to
this document; for referenced documents without dates, the latest versions (including
all amendments) are applicable to this document.
GB/T 1706 Titanium dioxide pigments
GB/T 1863 Iron oxide pigments
GB/T 2589 General rules for calculation of the comprehensive energy consumption
GB/T 12723 General principles for establishing allowance of energy consumption
per unit throughput
3 Terms and definitions
The terms and definitions defined in GB/T 12723 and the following apply to this
document.
3.1 comprehensive energy consumption of titanium dioxide
During the reporting period, the total amount of various energy actually consumed in
production within the titanium dioxide production boundary.
3.2 comprehensive energy consumption per unit products of titanium dioxide
The comprehensive energy consumption of titanium dioxide (3.1) expressed by per unit
of throughput.
3.3 comprehensive energy consumption of iron oxide pigments
During the reporting period, the total amount of various energy actually consumed in
the production within the iron oxide pigment production boundary.
3.4 comprehensive energy consumption per unit products of iron oxide pigments
The comprehensive energy consumption of iron oxide pigments (3.3) expressed by per
unit of throughput.
4 Grades of allowance values of energy consumption
4.1 Grades of allowance values of titanium dioxide energy consumption
The grades of allowance values of titanium dioxide energy consumption are as specified
in Table 1, among which Grade 1 has the lowest energy consumption.
4.2 Grades of allowance values of energy consumption of iron oxide pigments
The grades of allowance values of energy consumption of iron oxide pigments are in
accordance with the provisions of Table 2, among which Grade 1 has the lowest energy
consumption.
5 Technical requirements
5.1 The energy consumption limit values for existing titanium dioxide and iron oxide
pigment manufacturers shall comply with the Grade 3 requirements in Table 1 and Table
2 respectively.
5.2 The energy consumption access values for new construction or renovation and
expansion of titanium dioxide and iron oxide pigment manufacturers shall comply with
the Grade 2 requirements in Table 1 and Table 2 respectively.
6 Statistical scope and calculation method
6.1 Statistical scope
6.1.1 General provisions
The comprehensive energy consumption of titanium dioxide and iron oxide pigment
products shall include the energy consumption of the production system, the energy
consumption of the auxiliary production system and the energy consumption of the
ancillary production system. The statistics and accounting of energy consumption shall
include all production links, auxiliary production and ancillary production systems, and
shall neither be repeated nor omitted.
6.1.2 Energy consumption of production system
6.1.2.1 Energy consumption of titanium dioxide production system
The energy consumption of all processes from the titanium raw materials (ilmenite,
acid-soluble titanium slag, natural rutile, artificial rutile or titanium chloride slag, etc.),
raw materials such as sulfuric acid or chlorine, and energy such as steam, water,
electricity, and natural gas entering the production process after calculation to titanium
dioxide finished products being packaged and transported to the warehouse.
a) Energy consumption of production system of titanium dioxide by sulfuric acid
method. Energy consumption of all equipment and processes involving in the
entry of titanium raw materials (ilmenite, titanium concentrate and acid-
soluble titanium slag, etc.) and sulfuric acid into production, the acidolysis,
purification, concentration, hydrolysis, water washing, calcination, post-
treatment and other main processes, and the packaging and transportation to
the warehouse of the finished products.
b) Energy consumption of production system of titanium dioxide by chloride
process. The energy consumption of all production processes including the
reaction of titanium raw materials (natural rutile, artificial rutile or high
titanium chloride slag) and petroleum coke with chlorine or chlorine returned
from oxidation in a chlorination furnace to generate titanium tetrachloride, the
obtaining of refined titanium tetrachloride from the purification and
refinement of titanium tetrachloride, the production of titanium dioxide semi-
finished products from refined titanium tetrachloride being oxidized with
high-temperature oxygen in the gas phase, the post-processing, coating, water
washing, filtering, drying, and air flow pulverization of titanium dioxide semi-
finished products, and final packaging into finished products for storage.
6.1.2.2 Energy consumption of iron oxide pigment production system
The energy consumption of all processes from the raw materials such as scrap iron,
ferrous sulfate, nitric acid, sulfuric acid and water, and energy such as steam, electricity
and natural gas enter the production process after metering to the packaging and
transportation of the finished iron oxide pigment to the warehouse.
6.1.3 Energy consumption of auxiliary production systems
The energy consumption of auxiliary production systems shall include the energy
consumption of technological processes, facilities and equipment serving the
production system, mainly the energy consumption of power supply, machine repair,
water supply, gas supply, heat supply, refrigeration, instrument repair, lighting,
warehouses and raw material sites within the factory, as well as safety, environmental
protection, energy-saving and other facilities.
6.1.4 Energy consumption of ancillary production systems
The energy consumption of the ancillary production system shall include the energy
consumption of the production command system (factory headquarters) specially
configured for the production system and the departments and units within the factory
that provide production services, mainly facilities such as the dispatching room, office,
operation room, control room, lounge, changing room, bathhouse, central control
analysis, product inspection, and maintenance.
6.1.5 Recycled energy
The recycling of the waste heat, waste energy and chemical reaction heat generated in
the production boundary of titanium dioxide and iron oxide pigments are not included
in the energy consumption. For the recycling by devices outside the boundary area that
are recycled and utilized, the actual energy sent out shall be deducted from the energy
consumption within the boundary area. The processes of producing sulfuric acid
products such as sulfuric acid from sulfur and pyrite do not fall under the category of
titanium dioxide production processes, and their energy consumption is not included in
the comprehensive energy consumption of titanium dioxide. The energy consumption
of the waste acid concentration process in the titanium dioxide production process is
included in the comprehensive energy consumption per unit products of titanium
dioxide, but it is separately counted in the energy consumption statistics process and
not subject to assessment.
6.2 Calculation method
6.2.1 The calculation of comprehensive energy consumption shall comply with the
provisions of GB/T 2589.
6.2.2 The calorific value of various energy sources is converted into a unified unit of
measurement, kilograms of standard coal equivalent (kgce). The calorific value of
various energy sources is based on the calorific value actually measured by the
enterprise during the reporting period. If there is no actual measurement condition, the
reference standard coal coefficients of various energy sources given in Appendix A or
Appendix B shall be used for conversion.
6.2.3 The comprehensive energy consumption (E) of titanium dioxide and iron oxide
pigment products is calculated according to formula (1).
Where.
E -- Comprehensive energy consumption of titanium dioxide and iron oxide
pigment products, in kilograms of standard coal equivalent (kgce);
m -- The number of energy types input;
ei -- the physical quantity of the i-th energy consumed in the production of titanium
dioxide and iron oxide pigment products, in kilograms (kg);
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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