Through using patent information analysis method,the technological development trend and technical research path for natural gas pretreatment technology are introduced from the aspects of deacidification,dehydration,and heavy hydrocarbon removal in this field.It is indicated that the development of natural gas pretreatment technology has gone through three stages:the embryonic stage,the slow growth stage,and the rapid growth stage.The patent applying trend will continue to grow currently and even in the future.The integrated development between solution absorption technology and deacidification equipment is a hot technology in the direction of natural gas deacidification pretreatment.The improvement of the desiccant formula and the optimization of the dehydration system are the development priorities in the direction of natural gas dehydration pre treatment.Eddy current separation device is a popular direction for patented technologies in natural gas heavy hydrocarbon removal pretreatment.
natural gas pretreatmentpatent analysisdeacidificationdehydrationheavy hydrocarbon removal
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