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The air separation unit of Shuanghuan Company’s ammonia synthesis upgrade project has successfully produced qualified oxygen and nitrogen products. Author/Source: Shuanghuan Company. Date: April 18, 2023. Clicks: 28. In this beautiful month of April, a season full of vitality and hope, the air separation unit of Shuanghuan Company’s ammonia synthesis upgrade project has managed to produce oxygen with a purity of 99.9% and nitrogen with a purity of 99.99%, both meeting the design specifications. As the preliminary process unit in the ammonia synthesis upgrade project, the air separation unit is responsible for tasks such as purging, leak testing, commissioning, and gas supply for subsequent units. It provides high-pressure oxygen and high-pressure nitrogen to the gasification unit, medium-pressure nitrogen for the liquid nitrogen washing unit, and simultaneously generates liquid oxygen and liquid nitrogen as by-products. To ensure the successful commissioning of the air separation unit and the production of qualified products from the very first attempt, the company has attached great importance to this task, planned ahead, and strictly controlled safety and quality standards to ensure that all milestones in the project’s development are met on schedule. On February 5th of this year, the turbine was started up, and on April 3rd, the distillation process in the air separation unit’s cold box was completed, allowing for the successful separation of high-quality oxygen and nitrogen products and thus completing the entire operation cycle of the air separation unit. The production of qualified oxygen and nitrogen by the air separation unit signifies that the commissioning of the company’s new project is accelerating rapidly toward operational status. Standing at a new starting point, all the employees of Shuanghuan Company will continue to uphold the spirit of hard work and dedication, as well as the fine tradition of being brave enough, capable of, and skilled at achieving victory. They will take on heavy responsibilities and overcome difficulties in order to make greater contributions to the full operation of the new project.