The mass fraction of n-butene in mixed C4 from catalytic cracking after etherized was approximately 40%.

混合c 4中含有质量分数约为40%的正丁烯，是生产丙烯的优质原料。

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This paper reported the results of laboratory study and industrial development of the new type non chrome ferrite W-201 catalyst for n-butene oxidative dehydrogenation to butadiene.

本文报导了丁烯氧化脱氢制丁二烯新型无铬铁系w- 201催化剂的实验室研究和工业生产结果。

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This paper reported the results of laboratory study and industrial development of the new type non chrome ferrite W-201 catalyst for n-butene oxidative dehydrogenation to butadiene.

本文报导了丁烯氧化脱氢制丁二烯新型无铬铁系w- 201催化剂的实验室研究和工业生产结果。

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