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七月love

无虫 (小有名气)

[求助] 让修改的一段话,请各位高手帮助。

中文:用扫描电镜观察发现,AFSS(吸附剂)表面有大量的CCS,它具有还原性,可能会使溶液中的 Cr(VI)还原成Cr(III)。Cr(III)会与吸附剂中的官能团(如巯基)发生离子交换,达到铬离子吸附在吸附剂上的目的。pH较低时,AFSS表面包围大量的氢离子,这有利于还原反应的进行。随着pH升高,氢离子浓度降低,还原反应减弱, Cr(VI)吸附体系中 Cr(VI)还原成Cr(III)的数目减少,吸附剂吸附Cr(VI)的能力下降。此外,氢离子浓度过高也会与溶液中产生的Cr(III)竞争吸附剂的反应活性位点,这同样也会在一定程度上阻碍Cr(VI)还原成Cr(III)。因此,吸附剂对Cr(VI)的最佳吸附pH为4.0。

注:中文有些啰嗦,我制备的吸附剂具有还原性,又有巯基官能团,它能使六价铬还原成三价铬,三价铬再与巯基发生离子交换,达到吸附的目的。

英文:SEM results showed that there was a large amount of Cu-S micro-nano complex on the surface of AFSS (adsorbent), which could reduce Cr (VI) in solution to Cr (III). Cr (III) reacts with the mercapto groups in the adsorbent to achieve the adsorption of chromium ions on the adsorbent. At lower pH, the surface of  AFSS will be surrounded by high quantities of hydronium ions (H3O+)…………
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艾森思专利

捐助贵宾 (正式写手)

深思熟虑,只写好专利!


哇,有这么多金币,那我要把答案贴过来了!
2楼2017-04-05 21:52:33
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艾森思专利

捐助贵宾 (正式写手)

深思熟虑,只写好专利!


【答案】应助回帖

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七月love: 金币+226, 翻译EPI+1, ★★★★★最佳答案 2017-04-06 11:35:49
中文:用扫描电镜观察发现,AFSS(吸附剂)表面有大量的CCS,它具有还原性,可能会使溶液中的 Cr(VI)还原成Cr(III)。Cr(III)会与吸附剂中的官能团(如巯基)发生离子交换,达到铬离子吸附在吸附剂上的目的。pH较低时,AFSS表面包围大量的氢离子,这有利于还原反应的进行。随着pH升高,氢离子浓度降低,还原反应减弱, Cr(VI)吸附体系中 Cr(VI)还原成Cr(III)的数目减少,吸附剂吸附Cr(VI)的能力下降。此外,氢离子浓度过高也会与溶液中产生的Cr(III)竞争吸附剂的反应活性位点,这同样也会在一定程度上阻碍Cr(VI)还原成Cr(III)。因此,吸附剂对Cr(VI)的最佳吸附pH为4.0。

It can be seen from the SEM results that there were many CCS on the surface of AFSS (adsorbent), which may reduce the Cr(VI) in the solution into Cr(III). At the meantime, Cr (III) may react with the mercapto groups in the adsorbent to achieve the adsorption of chromium ions on the adsorbent. As the pH value increases, and the concentration of H+ decreases, the reduction reaction weakens. Consequently, the amount of the Cr(VI) reduced into Cr(III) decreases, and the capability of the adsorbent for adsorbing Cr(VI) decreases. In addition, if the concentration of H+ is excessively high, the H+ will compete with the Cr(III) formed in the solution for the reactive sites on the adsorbent, which hinders the reduction of Cr(VI) into Cr(III) to some extent. As a result, the optimal pH value for the adsorbent for adsorbing Cr(VI) is 4.0.
3楼2017-04-05 21:53:21
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