Seeking advice: What proportion of the total investment does the operation and maintenance cost of a liquefaction plant with a capacity of 150,000 cubic meters typically account for?
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What is the approximate proportion, and does it change over time?
It’s not clear; there are very few large storage tanks with a capacity of 150,000 cubic meters that have been put into use in China, with the number likely to be no more than 40.
A liquefaction plant with a capacity of 150,000 cubic meters per day requires approximately 30 to 50 mu of land. Investment constitutes the largest portion of the costs, followed by equipment; storage tanks are not taken into account here. The cost for the purification and liquefaction processes is estimated to be around 35 million to 45 million yuan. The subsequent operating costs mainly include labor, utilities, and other miscellaneous expenses; in total, this amounts to around 0.35–0.5 yuan per cubic meter of gas. Additionally, the investment in storage tanks is also a significant amount. Many factories in China with a capacity of 150,000 square meters are currently shut down, so considering using a complete set of used equipment might be an option.