Product Details
Sodium sulfite
keywords： Sodium sulfite
Product Description
Execution Standard: HG/T 2967-2010
Appearance: White crystalline powder
Specification (Grade):
| Item | Index | |||
| Premium Grade | First Grade | Qualified Grade | ||
| Sodium Sulfite (Na2SO3) w % | ≥ | 97.0 | 93.0 | 90.0 |
| Iron (Fe) w % | ≤ | 0.003 | 0.005 | 0.02 |
| Water-insoluble matter w % | ≤ | 0.02 | 0.03 | 0.05 |
| Free alkali (calculated as Na2CO3) w % | ≤ | 0.10 | 0.40 | 0.80 |
| Sulfate (calculated as Na2SO4) w % | ≤ | 2.5 | -- | -- |
| Chloride (calculated as NaCl) w % | ≤ | 0.10 | -- | -- |
Usage: Mainly used in the paper industry, tanning and leather industry, also as raw material for producing concrete admixtures, plant fiber bleaching agents, and reducing agents in other industries.
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Factory Advantages
A large domestic private molybdenum enterprise mainly engaged in the production, processing, and sales of molybdenum furnace material products, with integrated roasting and smelting professional production capabilities.
The company has implemented technological innovation projects for many years, establishing 14 energy-saving rotary kilns with mature and complete processes and technology, with a molybdenum oxide production capacity of 66,100 tons/year;
The company independently designed and built 3 modern automated molybdenum iron smelting production lines, with a molybdenum iron capacity of 35,200 tons/year and vanadium iron capacity of 2,000 tons/year. Its technical equipment level and production capacity are at the domestic forefront.
The company invested over 300 million yuan to build a tail gas absorption environmental protection project sulfuric acid plant matching the roasting process, capable of producing 70,000 tons of concentrated sulfuric acid annually, achieving ultra-low pollutant emissions and meeting green environmental protection requirements.
Company Honors
The company has obtained more than forty national authorized invention patents and utility model patents. It has developed a complete set of advanced domestic process technologies in molybdenum concentrate roasting and molybdenum iron smelting production, forming a resource-saving production model with low raw material requirements, stable product quality, and high thermal energy utilization. The company has successively introduced internationally advanced technology and testing equipment from the United States, Japan, and Germany, strictly standardizing raw materials and product quality inspection systems, and has passed quality, environmental, and occupational health and safety management system certifications and audits.
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Address: Shuangmiao Farm, Dayou Township, Linghai City, Jinzhou City
Phone: +86-416-5086143 +86-416-5086162
E-mail:xsgs@ncdmoly.com
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Address: Shuangmiao Farm, Dayou Township, Linghai City, Jinzhou City
Phone: +86-416-5086143
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