PKU Pioneer has revealed that it is to build the world’s largest PSA-CO (carbon monoxide) plant to serve a 400,000 tonnes per annum ethylene glycol plant, which is using the by-product coke oven crude gas from a project of the Xinjiang Guanghui Coke Cleaning and Refinery Co. Ltd.
The PSA-CO plant will produce 45,720 Nm3/h of CO product gas with a minimum purity of 98.5%, all to be used for the production of the glycol plant.
In addition, the composition of the crude gas is complicated, with more than 50% nitrogen and the content of CO at only around 28%.
The project’s main contractor has been searching to find a company that has the technology and experience to purify CO from a raw gas with such a high content of nitrogen, with a recovery rate of more than 86%.
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