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Of course, if the equipment does not have the above problems, the usual daily maintenance is also good, and the oxygen concentration is still reduced after long-term use, it is necessary to consider replacing the oxygen molecular sieve. Because the oxygen molecular sieve also has a service life, it can be replaced in time after failure, and the oxygen concentrator can resume normal operation.

Natural gas contains acidic components such as hydrogen sulfide, sulfur dioxide and organic sulfur, the presence of which will increase corrosion to pipelines and equipment. At the same time, the combustion of sulfur-containing natural gas will produce odor, pollute the environment and affect people’s health. Therefore, sulfur needs to be removed before application to meet the quality standard. Molecular sieves have the characteristics of selective adsorption. In addition to being used for deep dehydration of natural gas, large-pore molecular sieves can also be used for natural gas desulfurization.