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| Sulphuric Acid on the WebTM | Technical Manual | DKL Engineering, Inc. |
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Acid Plant Database November 1, 2026
| Owner | Tengyan Cobalt et Copper Resources Ltd (TCC) |
|
| Location |
Lualaba Province Democratic Republic of Congo |
|
| Background | ||
| Website | ||
| Plant | ||
| Coordinates* | 10° 38' 13" S, 25° 28' 44" E | |
| Type of Plant | Sulphur Burning | |
| Gas Source | Elemental Sulphur | |
| Plant Capacity | 160,000 MTPA | |
| SA/DA | ||
| Status | Operating Startup - August 2027 |
|
| Year Built | - | |
| Technology | - | |
| Contractor | - | |
| Remarks | - | |
| Pictures |
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|
| General | ||
| References | - | |
| News | August 26, 2026 - On the evening of August 20, Tengyuan Cobalt (301219) released an announcement regarding external investment. The company plans to build a project with an annual production capacity of 160,000 tons of sulfuric acid from sulfur, supporting 5,000 tons of sulfur dioxide and a 5.3MW steam turbine power generation project within the factory premises in Kolwezi, Lualaba Province, the Democratic Republic of the Congo (DRC), through its holding subsidiary Hechuang New Energy. The total investment for the project is 18 million US dollars.The project covers a land area of 58 mu (approximately 3.87 hectares) and includes facilities such as sulfur storage warehouses, sulfur melting and burning systems, acid production units, and waste heat steam turbine generator sets. The overall construction period is approximately 13 months; specifically, the sulfuric acid unit has a construction period of 11 months and is expected to start acid production in August 2027; the supporting power generation facility has a construction period of 13 months and is expected to start generating electricity in October 2027.The funds will be contributed proportionally by the shareholders of Hechuang New Energy according to the 60:40 equity ratio. Tengyuan Cobalt will contribute 10.8 million US dollars, and the partner SAWA will contribute 7.2 million US dollars. The source of funds is self-raised capital. This investment does not change the equity structure of the target company, does not constitute a major asset restructuring, and does not require submission to the shareholders' meeting for deliberation.Sulfuric acid and sulfur dioxide are core auxiliary materials for the hydrometallurgical smelting of cobalt and copper. Local chemical supporting facilities in the DRC are weak, and the costs of purchasing sulfuric acid externally and logistics are relatively high. Upon completion of the project, the company can achieve self-sufficiency in key smelting auxiliary materials, reducing external procurement and transportation expenses. By relying on waste heat recovery and power generation from the acid production unit, the company aims to improve the level of self-sufficiency in electricity at the plant site, reduce diesel power generation consumption, and ensure the stability of raw material and energy supplies for the overseas hydrometallurgical smelting base.The company also cautioned that the project is located overseas and carries risks regarding geopolitical policies, sulfur raw material supply, construction progress falling short of expectations, and safety production. | |
MTPD - Metric Tonne per Day
STPD - Short Ton per Day
MTPA - Metric Tonne per Annum STPA - Short Ton per
Annum
SA - Single Absorption
DA - Double Absorption
* Coordinates can be used to
locate plant on Google Earth
