Uptake of chlorophenols by rye grass: role of physicochemical processes

机译：黑麦草对氯酚的吸收：物理化学过程的作用

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Rye grass was grown in the presence of 2,4,6-trichlorophenol (TCP) and pentachlorophenol(PCP). The grass removed substantial amounts of TCP and PCP from solution. The majority of the removed contaminant could not be recovered by ethanol extraction. This unrecoverable fraction is considered to be "internalized" by the plant. The mass fractions removed and internalized were much greater than the fraction of water transpired, indicating that other mechanisms besides translocation were important in plant-contamininant interactions. The relative root surface area was correlated with both chlorophenol removal and internalization, suggesting that sorption of the contaminants onto the roots from solution was an important factor in plant-contaminant interactions.

机译：黑麦草在2,4,6-三氯苯酚（TCP）和五氯苯酚（PCP）存在下生长。草从溶液中去除了大量的TCP和PCP。除去的大部分污染物无法通过乙醇提取回收。该不可回收的部分被认为是植物“内在化”的。去除和内在化的质量分数远大于所渗出的水的分数，这表明除易位外，其他机制在植物与污染物的相互作用中也很重要。相对的根表面积与氯酚的去除和内在化都相关，这表明污染物从溶液中吸附到根上是植物与污染物相互作用的重要因素。

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《International in situ and on-site bioremediation symposium》|1999年|p.191-196|共6页
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C.E.Crane; J.T.Novak;
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中图分类石油、天然气工业;
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Uptake of chlorophenols by rye grass: role of physicochemical processes

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