采用超声辅助的浸渍-还原法制备了NiB/CNTs及Ag、Cu掺杂型NiB/CNTs非晶态合金催化剂. 乙炔选择加氢实验结果表明,掺杂质量分数为1%的Ag明显降低了催化剂加氢活性,但提高了乙烯的选择性,掺杂Cu提高了催化剂的加氢活性,最佳掺杂质量分数为3%~5%,对乙烯选择性影响不明显.
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