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Environmental Information
2023/10/20
1. Pollution discharge permit
2. Basic information on major pollutants
| Major pollutant information | ||||
| Pollutant category | Types of pollutants | Emission mode | Emission limits | Emission concentration |
| Boiler exhaust gas | Ringelmann Blackness | Direct emissions | Level 1 | <Level 1 |
| Particulates | 20mg/Nm³ | 7.6mg/Nm³ | ||
| Nitrogen oxides | 50mg/Nm³ | 35mg/Nm³ | ||
| Sulfur dioxide | 50mg/Nm³ | 3mg/Nm³ | ||
| Chemical waste gas | Hydrogen chloride | Discharge after treatment | 20mg/Nm³ | 6.7mg/Nm³ |
| Production wastewater | Total nitrogen | Dealing with intermittent emissions | 20mg/L | 1.04mg/L |
| Cod | 50mg/L | 25mg/L | ||
| Sulfide | 0.5mg/L | 0.01mg/L | ||
| Petro | 3mg/L | 0.06mg/L | ||
| Ammonia nitrogen | 10mg/L | 0.86mg/L | ||
| Suspended solids | 50mg/L | 37mg/L | ||
| Total Strontium | 8mg/L | 6.25mg/L | ||
| PH | 6—9 | 7.2 | ||
| Total phosphorus | 0.5mg/L | 0.23mg/L | ||
| Fluoride | 6mg/L | 0.36mg/L | ||
3. General industrial solid waste
| General industrial solid waste | ||
| Name | Production volume | Disposal method |
| Mineral sand | 500 tons/year | Third parties as raw materials |
| Slime | 600 tons/year | Third parties as raw materials |
4. Investment in environmental protection facilities
| Investment in environmental protection facilities | ||
| Name | Invest time | Invest funds |
| Alkali absorption tower | 2019.6 | 700,000 yuan |
| Boiler coal to gas conversion | 2021.11 | 600,000 yuan |
5. Environmental monitoring
The company will regularly carry out monitoring of waste water, waste gas, etc.