Sinopec Zhenhai Refining and Chemical Co., Ltd (Sinopec), China’s largest integrated refining-chemical enterprise, has contracted with MECS, Inc. (MECS) and MECS Chemical Plants Equipment (Shanghai) Co., LTD., subsidiaries of Elessent Clean Technologies (Elessent), for the license, design, engineering, and equipment for a spent sulfuric acid regeneration plant. This plant will be located at Sinopec’s petrochemical complex in Ningbo, Zhenhai province, People’s Republic of China. The spent acid regeneration plant will be built in conjunction with Sinopec’s planned expansion of its sulfuric acid alkylation and acrylonitrile facilities at the Ningbo site.