The deep cryogenic separation unit of the Shanxi Meijin Huasheng project is operating at full capacity

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The cryogenic separation unit of the Shanxi Meijin Huasheng project is now operating at full capacity. Author/Source: Donghua Technology ECEC. Date: 2021-12-01. Clicks: 5. On November 29, the cryogenic separation unit of the 300,000 tons per year ethylene glycol and LNG co-production project at Shanxi Meijin Huasheng, which was contracted by Donghua Technology, began operating at full capacity, with all process parameters meeting optimal levels. To date, the project has produced a total of 20,000 tons of qualified LNG and 35 million cubic meters of industrial hydrogen, while also supplying 150,000 cubic meters of high-purity hydrogen for hydrogen energy applications. During the commissioning process, the project owner and the Donghua Technology project team worked together, staying up all night to address the most challenging issues. Targeted optimizations were carried out in areas such as TSA regeneration for impurity removal, the startup of large compressors, liquid level control in the methane scrubber tower, and oil removal in BOG compressors. By drawing on the operational experience of similar projects and pooling collective wisdom, the operation of the facility became increasingly stable. As the load on the unit increased, the project introduced excess coke oven gas from a nearby coking plant, and ultimately, the deep cryogenic separation unit was able to operate at full capacity. At present, the DMO unit and EG unit of the Shanxi Meijin Huasheng project have also completed catalyst loading and the methanol washing process. The project is actively carrying out tasks such as inspections prior to commissioning, safety management, and staff training.