Phosphorus sorption and supply from eutrophic lake sediment amended with thermally-treated calcium-rich attapulgite and a safety evaluation
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- 作者：Hongbin Yina ; hbyin@niglas.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Meixiang Hanb ; Wanying Tangb
- 关键词：P-inactivation agent ; Thermally treated calcium-rich attapulgite ; Zero equilibrium P concentration (EPC0) ; P supply ; Lake eutrophication control
- 刊名：Chemical Engineering Journal
- 出版年：2016
- 出版时间：1 February 2016
- 年：2016
- 卷：285
- 期：Complete
- 页码：671-678
- 全文大小：840 K
文摘
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P sorption and supply from heated attapulgite amended sediment was investigated.
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P sorption on amended sediment can be well fitted by a modified Langmuir model.
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The addition of heated attapulgite can turn lake sediment from a source to a pool.
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P supply from sediment was effectively inhibited with heated attapulgite addition.
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Heated attapulgite has the potential to be used for lake eutrophication control.