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首页> 外文期刊>日本土壤肥料学雑誌 >Comparison of humic acid adsorption on allophane, ferrihydrite, micro charcoal and activated charcoal.
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Comparison of humic acid adsorption on allophane, ferrihydrite, micro charcoal and activated charcoal.

机译：比较腐殖酸在石蒜，三水铝石，微炭和活性炭上的吸附。

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摘要

Humic acid adsorption by allophane, ferrihydrite, activated charcoal and micro charcoal were studied to clarify the mechanisms involved in the accumulation of humic substances in Andisols. Adsorption envelopes indicated that: (1) the adsorption patterns of humic acid on these materials from equilibrium pH 4 to 6 showed that the amount of humic acid sorbed was the largest for allophane followed by activated charcoal, ferrihydrite and micro charcoal; (2) there were many differences between activatedcharcoal and micro charcoal in regards to their humic acid adsorption properties; and (3) the amount of active Al was much larger than that of micro charcoal in Andisols. It was concluded that active Al plays an important role in the accumulation of humic substances in Andisols.
机译：研究了石蒜，亚铁水合物，活性炭和微炭对腐殖酸的吸附，以阐明腐殖质在Andisols中积累的机制。吸附包络线表明：（1）腐殖酸在pH值为4到6的平衡条件下的吸附规律表明，腐殖酸的吸附量最大，其次为活性炭，三水铝石和微炭。 （2）活性炭和微炭在腐殖酸的吸附性能上有很多差异; （3）铝中的活性铝含量远高于微量木炭。可以得出结论，活性铝在Andisols中腐殖质的积累中起着重要作用。

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