Pd/C催化劑浸漬制備
各位小伙伴,想浸漬法制備負(fù)載型Pd/C和Pd/CN催化劑,以H2PdCl4為前驅(qū)體,H2PdCl4通過(guò)鹽酸溶解PdCl2制備,那溶解之后需要加氨水調(diào)PH再去浸漬浸漬完蒸發(fā)?還是溶解后不用調(diào)PH,直接浸漬蒸發(fā)呢?有詳細(xì)的過(guò)程或文獻(xiàn)推薦更好,謝謝
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今日熱帖
各位小伙伴,想浸漬法制備負(fù)載型Pd/C和Pd/CN催化劑,以H2PdCl4為前驅(qū)體,H2PdCl4通過(guò)鹽酸溶解PdCl2制備,那溶解之后需要加氨水調(diào)PH再去浸漬浸漬完蒸發(fā)?還是溶解后不用調(diào)PH,直接浸漬蒸發(fā)呢?有詳細(xì)的過(guò)程或文獻(xiàn)推薦更好,謝謝
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京公網(wǎng)安備 11010802022153號(hào)
可以直接浸漬。歡迎參考:
Chinese Journal of Catalysis;Volume 37, Issue 2, February 2016, Pages 234-239
Applied Catalysis A: General;Volume 473, 5 March 2014, Pages 1-6
Applied Catalysis B: Environmental;Volume 180, January 2016, Pages 607-613
謝謝您的建議和回復(fù),我看氯化鈀的水溶解度很低,請(qǐng)問(wèn)第一篇文章的:First, 1.0 g of A‐45 was immersed in an aqueous solution of PdCl2 (30 mL, containing a controlled amount of Pd) under stirring at 50 °C for 24 h. 這里的PdCl2溶液是溶在水里實(shí)現(xiàn)的嗎?
溶解不了的話,可以加一點(diǎn)鹽酸。
好的,謝謝您啦
請(qǐng)問(wèn)第一篇文章的浸漬到碳上后,氮?dú)忪褵菫榱俗孭dCl2變成氧化物? 然后再氫氣還原為Pd?不進(jìn)行煅燒直接H2還原行嗎?如果我用NaBH4還原行嗎?對(duì)于Commercial resin Amberlyst‐45載體,沒(méi)有煅燒是直接H2活化的。原文:The precursor was dried in N2 at 110 °C overnight followed by calcination in N2 at 500 °C for 4 h. Before the catalytic reaction, the catalyst was reduced in H2 at 120 °C for 1 h
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