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Tag: Production

Operations halted at El Teniente mine

The El Teniente mine, located in the O'Higgins region, suffered a collapse on 31 July. The collapse in the Andesita sector of the mine is understood to have been as a result of seismic activity that registered 4.2 on the Richter scale. It remains unknown whether the seismic activity was caused by the mining operations or natural activity, according to industry sources. Underground operations are to be halted for an unknown period of time while the open air sector, which represents around 10% of the total production, will remain open, according to industry participants.

Copper output begins at Rio Tinto-backed project

Gunnison has started producing pure copper cathodes at its Johnson Camp Mine (JCM) in southeast Arizona, United States, from a solvent extraction-electrowinning (SX-EW) circuit and using leaching technology from Rio Tinto-owned Nuton. As well as giving Gunnison exclusive rights to deploy the proprietary process on run-of-mine ore, Nuton is a financial partner of the Phoenix-headquartered mine developer which has restarted copper production at past-producing JCM. The company’s next goal is to ramp-up to nameplate plant capacity of 25 million lbs/year (11,300 t/a) of finished copper.

Start-up of world’s largest methanol plant

Johnson Matthey (JM) says that the three methanol production trains of Inner Mongolia Baofeng Coal-based New Materials Co., Ltd., a wholly owned subsidiary of Ningxia Baofeng Energy Group, were successfully commissioned in November 2024, February 2025, and March 2025, respectively. Located in the Wushenqi Sulige Economic Development Zone of Ordos City, Inner Mongolia Autonomous Region, this plant employs Johnson Matthey’s advanced methanol synthesis technology and catalysts, making it the largest single methanol plant in the world. Inner Mongolia Baofeng also stands as one of the largest chemical enterprises globally that produces polyethylene and polypropylene by using coal as a substitute for oil.

Yara seeking permit for rail transport of ammonia

Yara has applied for a new environmental permit in order to be able to import 275,000 t/a of ammonia by rail to its site at Tertre in the Saint-Ghislain municipality. The permit will cover ammonia to continue to operate downstream nitric acid and ammonium nitrate production at Tertre following the closure of the site’s 400,000 t/a ammonia plant. A public inquiry into the permit is expected to be completed in early September 2025. Yara says that train traffic to the site will increase to around 5 trains per week if the permit is granted.