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A kind of recovery processing technique of polyphenol tar
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A kind of purification utilization method cracking rich gas
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A kind of technique and device effectively improving the chloro- 3,5- xylenol chlorination reaction production efficiency of 4-
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A method of improving the quality of the technical hydrochloric acid containing polyphenol mixture and sulfurous acid
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A kind of acyl chloride reaction tail gas, which efficiently separates, utilizes technique
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It is a kind of to crack the purifying technique of by-product in the condensation reaction
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A kind of concentration and separation technique of the low concentration multicomponent containing phenol mixture
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A kind of polyphenol mixture recycling purifying technique
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A kind of enriching and purifying technique of low content 2,3,5- pseudocuminols
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A kind of the deep pyrolytic resource utilization process and its device of ketone polymer waste liquid
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A kind of green pretreating process of ketone polymer waste liquid
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