Role of Ash Content in Biochar for Copper Immobilization
Role of Ash Content in Biochar for Copper Immobilization
复制标题
生物炭中灰分含量对铜固定化的作用
DOI：
10.1089/ees.2016.0042
复制
发表时间：
2016-12
影响因子：
1.8
通讯作者：
Pan Bo
中科院分区：
文献类型：
--
作者：
Zhou D;an;Ghosh Saikat;Zhang Di;Liang Ni;Dong Xudong;Wu Min;Pan Bo
摘要各种污染物在生物炭上的吸附在文献中得到了广泛的研究。然而，灰分一般通过弱酸或去离子水洗涤来去除。本研究的目的是探讨生物炭灰分含量在去除铜(II)中的作用。以松片(PC)和花生壳(PSS)为原料，在200~500℃温度范围内制备了24种生物炭，并用去离子水或HCl/HF洗涤去除灰分。然后比较了处理和未处理的生物炭颗粒的物理化学性质以及对铜(II)的吸附特性。阳离子交换是控制生物炭吸附铜(II)的重要机制。沉淀对大多数生物炭来说并不重要，但对500℃下PSS产生的生物炭的贡献高达20%。去除灰分可以增加PC生物炭对铜(II)的吸附。灰分含量与PS生物炭对Cu2+的吸附系数呈显著正相关。因此，这个……
Abstract Sorption of various contaminants on biochar has been investigated extensively in the literature. However, ash content was generally removed through weak acid or deionized water washing. The objective of this study was to investigate the role of biochar ash content in Cu(II) removal. Twenty-four biochars were prepared from pine chips (PCs) and peanut shells (PSs) at 200–500°C. All the biochars were washed with deionized water or HCl/HF to remove ash contents. Treated and untreated biochar particles were then compared for their physical–chemical properties as well as sorption characteristics for Cu(II). Cation exchange was an important mechanism controlling Cu(II) sorption on biochars. Precipitation was not important for most biochars, but contributed up to 20% for biochars produced from PSs at 500°C. Removal of ash content increased Cu(II) sorption on PC biochars. A significantly positive relationship was observed between ash content and sorption coefficients for Cu(II) for PS biochars. Thus, the ...
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DOI：
10.1007/s11270-010-0625-4
发表时间：
2011-06
期刊：
Water, Air, & Soil Pollution
影响因子：
--
作者：
S. Malamis;E. Katsou;K. Haralambous
通讯作者：
S. Malamis;E. Katsou;K. Haralambous
影响因子：
4.2
作者：
Fischer, L.;Bruemmer, G. W.;Barrow, N. J.
通讯作者：
Barrow, N. J.
影响因子：
8.8
作者：
Xiaoyun Xu;Xinde Cao;Ling Zhao
通讯作者：
Xiaoyun Xu;Xinde Cao;Ling Zhao
影响因子：
7.7
作者：
Al-Harahsheh, Mohammad S.;Al Zboon, Kamel;Mahasneh, Mehaysen
通讯作者：
Mahasneh, Mehaysen
影响因子：
13.6
作者：
Hansen, Henrik K.;Arancibia, Fernanda;Gutierrez, Claudia
通讯作者：
Gutierrez, Claudia