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Chinese mining companies adopt new geothermal technologies to cut carbon emissions
Iron tailings, traditionally an industrial waste, can now play a role in environmental protection. In northeast China’s Jilin Province, more than 70 hectares of saline-alkali soil have been transformed into fertile land that can produce 7,500 kg of rice per hectare with the help of iron tailings. “We make use of the unique physical and chemical characteristics of iron tailings to improve the soil quality,” said Xiong Hongqi, deputy general […]