从海藻中去除砷及其无机形态——廉价高效肥料的基础
The Removal of Arsenic and Its Inorganic Forms from Marine Algae-A Base for Inexpensive and Efficient Fertilizers.
作者信息
Ostrowski Jarosław, Drozd Alicja, Olchowski Rafał, Chałabis-Mazurek Agnieszka, Sienkiewicz Andrzej, Kierys Agnieszka, Morlo Kinga, Dobrowolski Ryszard
机构信息
Łukasiewicz Research Network, New Chemical Syntheses Institute, Tysiąclecia Państwa Polskiego Av. 13a, 24-110 Puławy, Poland.
Department of Pharmacology, Toxicology and Environmental Protection, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka Sq. 12, 20-950 Lublin, Poland.
出版信息
Molecules. 2024 Mar 18;29(6):1348. doi: 10.3390/molecules29061348.
Newly synthesized cerium oxide was successfully obtained by the hard templating route. The optimal As(III) and As(V) adsorption onto the studied adsorbent was reached for the initial pH of 4.0 and a contact time of 10 h. The highest static adsorption capacities for As(III) and As(V) were 92 mg g and 66 mg g, respectively. The pseudo-second-order model was well fitted to the As(III) and As(V) experimental kinetics data. The Langmuir model described the As(III) and As(V) adsorption isotherms on synthesized material. The adsorption mechanism of the studied ions onto the synthesized cerium oxide was complex and should be further investigated. The optimal solid-liquid ratio during the proposed aqueous extraction of inorganic As from the algae was 1:50. The optimal dosage of the synthesized cerium oxide (0.06 g L) was successfully applied for the first time for inorganic As removal from the aqueous algal extract.
通过硬模板法成功制备了新合成的氧化铈。在所研究的吸附剂上，初始pH为4.0且接触时间为10 h时，对As(III)和As(V)的吸附达到最佳效果。As(III)和As(V)的最高静态吸附容量分别为92 mg/g和66 mg/g。准二级模型与As(III)和As(V)的实验动力学数据拟合良好。Langmuir模型描述了合成材料上As(III)和As(V)的吸附等温线。所研究离子在合成氧化铈上的吸附机制较为复杂，应进一步研究。从藻类中提取无机砷的拟水相萃取过程中的最佳固液比为1:50。合成氧化铈的最佳用量（0.06 g/L）首次成功应用于从藻类水提取物中去除无机砷。
Zotero 插件