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The latest industry access regulations have been updated to ensure sustainable development, resource efficiency, and environmental protection. These new guidelines apply to all production enterprises involved in mineral processing and metal smelting, particularly those dealing with antimony and related materials. Here’s a detailed overview of the key requirements:
I. **Establishment and Layout of Production Enterprises**
New or expanded smelting projects must align with national industrial policies, mineral resource master plans, and industrial development strategies. They must secure legal and stable raw material sources, such as signed contracts with licensed mines. Purchasing from illegal mining operations is strictly prohibited. Additionally, at least 50% of the project investment must come from the company's own funds.
II. **Production Scale and Technical Equipment**
For newly built, reconstructed, or expanded projects, the annual production capacity of refined antimony or antimony trioxide should not be less than 5,000 tons. Key equipment must meet specific technical standards: blast furnace outlet area of at least 1 square meter per unit, reflector furnace hearth area of no less than 10 square meters per unit, and leaching tanks of at least 5 square meters per unit. The entire process must include comprehensive recovery systems and effective treatment of "three wastes" (waste gas, waste water, and solid waste).
III. **Resource Recycling and Energy Consumption**
(1) **Comprehensive Recovery Rate**:
- For oxygen-mixed ore: Antimony recovery rate ≥90%.
- For oxidized ore: Antimony recovery rate ≥88%.
- For *ore: Antimony recovery rate ≥95%.
- For brittle *lead-bismuth ore: Antimony ≥80%, Lead ≥88%.
The overall recovery rate of valuable metals must be ≥80%.
- Unit energy consumption for refined products must be below 1.03 tons of standard coal per ton.
- Power consumption per ton of product should not exceed 460 kWh.
(2) **Beryllium White (Antimony Trioxide)**
- Direct production process: Yttrium recovery rate ≥90%, energy consumption ≤1.0 ton standard coal per ton, power consumption ≤450 kWh per ton.
- Indirect production process: Yttrium recovery rate ≥99%, energy consumption ≤0.02 ton standard coal per ton, power consumption ≤100 kWh per ton.
(3) **Triazole Production via Leaching Method**:
Comprehensive recovery rate ≥98%.
(4) **Water Resource Management**:
Comprehensive recycling of water resources is required, with a water cycle utilization rate of at least 95%.
IV. **Product Quality and Standards**
(1) **Tantalum Mining and Processing**
Includes specifications for plutonium ore, plutonium concentrate, and lead-antimony mixed concentrates. Specific physical quantities and content standards are outlined.
(2) **Antimony Processed Products**
- Fine antimony ingots must comply with GB/T 1599-2002.
- Antimony oxide must follow GB/T 4062-1998.
- Sanhua Huanji products must meet GB 5226-86.
Other products must adhere to quality standards set by the Ministry, province, and industry associations.
V. **Energy Consumption Limits for Smelting Enterprises**
Each enterprise must monitor and report on energy use per unit of product to ensure compliance with national energy efficiency targets.
These updated regulations aim to promote cleaner production, reduce environmental impact, and improve the overall efficiency of the industry. Companies must now operate under stricter guidelines to ensure long-term sustainability and compliance with national standards.
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