Shanxi is taking significant steps to upgrade its coking industry to enhance efficiency and reduce emission, pushing for a widespread adoption of dry-quenching technology for coke production and elimination of 4.3-meter coke ovens by the end of 2023, according to Department of Industry and Information Technology of Shanxi Province.

With abundant coking coal resources, Shanxi has been China's largest coke producer and supplier. In 2022, Shanxi produced 98 million tonnes of coke, a share of over 20% against the total of 473 million tonnes in China.

Shanxi, an earlier starter in coking industry, has some coke production capacity featured with high energy consumption, pollution and emission, posing greater pressure over the province's air quality improvement and delivery of the carbon reduction goals in the industry.

The province therefore has continued to pour efforts in raising the share of dry-quenching production while eliminating wet-quenching facilities, which are less environmentally friendly when compared with the former option.

In a document issued on June 30 last year, the provincial government outlined key objections, including achieving the full-scale adoption of dry quenching in all coke-making enterprises in the province, completing comprehensive upgrades to achieve ultra-low emissions, and shutting down 4.3-m coke ovens as well as other ovens that do not meet the ultra-low emission standards.

In September this year, Shanxi specified all 4.3-m coke ovens should be stopping charging of coking coal by October 20, and brought the cut-off point for closures forward from end-2023 to end-October.

(Writing by Rebecca Liu  Editing by Emma Yang)
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