Article
Chemistry, Physical
Ping Sun, Wei Zhang, Binze Zou, Xiangyv Wang, Lincheng Zhou, Zhengfang Ye, Quanlin Zhao
Summary: By introducing PANI into the Fe3O4/ATP system, a high-efficiency adsorption material PANI@APTS-Fe3O4/ATP was prepared with excellent adsorption performance for Cu(II), Pb(II), and Ni(II). It shows fast equilibrium reaching in 15 minutes, magnetic properties, and good stability, making it potentially suitable for practical applications.
APPLIED CLAY SCIENCE
(2021)
Article
Chemistry, Physical
Xu Qingli, Zhang Zhengdong, Huang Kai, Xin Shanzhi, Mao Chuang, Chen Chenge, Yang Huan, Yue Yang, Yan Yongjie
Summary: A series of Mg-modified Ni/Attapulgite (ATP) catalysts were prepared for glycerol steam reforming, and the Ni/10MgO/ATP catalyst showed the best performance with high activity, hydrogen yield, and stability. The addition of Mg inhibited nickel sintering and carbon formation, enhancing the catalyst activity and longevity.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Abdelhamid M. El-Sawy, Moa'mena H. Abdo, M. A. Darweesh, Nehal A. Salahuddin
Summary: The study synthesized PANI/CQDs nanocomposites with high adsorption capacity for nickel ions. Various aspects were studied, including thermodynamic parameters, kinetic models, and adsorption isotherms, to optimize and evaluate the performance of the developed nanocomposite. The nanocomposite showed promising potential as a cheap, high-capacity, and reusable adsorbent.
SURFACES AND INTERFACES
(2021)
Review
Chemistry, Multidisciplinary
Cheng Fu, Xiaping Zhu, Xun Dong, Ping Zhao, Zepeng Wang
Summary: Sulfhydryl attapulgite showed excellent adsorption performance for Pb2+ and Cd2+, following the pseudo second-order kinetic model and Langmuir, Tempkin, and Dubinin-Radushkevich models. The adsorption processes were endothermic and spontaneous monolayer adsorption.
ARABIAN JOURNAL OF CHEMISTRY
(2021)
Article
Engineering, Chemical
Jiajia Chen, Dandan Wang, Xinyu Lu, Haoquan Guo, Pengcheng Xiu, Yu Qin, Chaozhong Xu, Xiaoli Gu
Summary: In this study, a Co/m-ATP catalyst was prepared using attapulgite as a carrier to depolymerize lignin. Under appropriate reaction conditions, the catalyst showed high bio-oil yield and low char yield, indicating its potential application in lignin depolymerization.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2022)
Article
Environmental Sciences
Jianjian Li, Yiwei Zheng, Xia Feng, Chao Lv, Xingtian Liu, Yiping Zhao, Li Chen
Summary: Attapulgite (ATP) and its organically modified derivatives have been studied for potential environmental remediation applications, resulting in the synthesis of a composite hydrogel capable of adsorbing heavy metal ions Ni(II) and organic pollutant phenol. The modified ATP and composite hydrogel showed good adsorption properties for Ni(II) ions and phenol. Double-modification proved to be the most effective method for phenol adsorption, with optimal adsorption capacity obtained on PAAm/CTAB-HA-ATP hydrogel.
ENVIRONMENTAL TECHNOLOGY
(2021)
Article
Biochemistry & Molecular Biology
Ping Sun, Wei Zhang, Binze Zou, Lincheng Zhou, Zhengfang Ye, Quanlin Zhao
Summary: A new type of magnetic composite adsorbent with good adsorption performance was successfully prepared, having a large adsorption capacity for heavy metal ions, wide pH applicability, good reuse, and rapid magnetic separation capabilities.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Engineering, Environmental
Lei Xu, Yani Liu, Jingang Wang, Ying Tang, Zhe Zhang
Summary: Both adsorption experiments and theoretical calculations showed that Pb2+ is more readily adsorbed by M-ATP due to its stability, making it challenging for Cu2+ to replace Pb2+ from M-ATP.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Green & Sustainable Science & Technology
Guangzhu Zhou, Peipei Yu, Yuhong Shen, Cuizhen Wang, Yinming Li, Rongchao Yang, Xiaoning Fu, Jingyi Chi, Xi Chen, Yizhang Feng
Summary: In this study, ion imprinting technology was used to prepare magnetic nanomaterials, which improved the capacity and selectivity of the adsorbent. The resulting material showed good adsorption selectivity and a larger specific surface area, achieving high adsorption efficiency.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Chemistry, Multidisciplinary
Liang Zheng, Zhiyu Li, Peng Fu, Fazhe Sun, Mingyang Liu, Tianyang Guo, Qingwen Fan
Summary: In this study, Mo-modified pseudoboehmite supported Ni catalysts were developed for efficient hydrogen production from formic acid. The oxygen vacancies caused by Mo enhanced Ni anchoring and inhibited Ni sintering. The modified catalyst showed smaller Ni particles and higher catalytic performance compared to conventional catalysts.
Article
Green & Sustainable Science & Technology
Guangzhu Zhou, Sai Wu, Runsheng Zhou, Cuizhen Wang, Zhizheng Song, Robert H. B. Miller, Tong Hao, Rongchao Yang
Summary: The ion imprinting polymer layer on magnetic nanoparticles enhances the adsorption and selectivity of Ni(II), showing excellent recyclability and selectivity, making it a promising candidate for purification and metal ions reuse in heavy metal polluted water treatment.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Biochemistry & Molecular Biology
Hao Kong, Qian Li, Xiangqun Zheng, Peizhen Chen, Gengtao Zhang, Zhiping Huang
Summary: A novel lanthanum-modified-chitosan-attapulgite composite was prepared and characterized for efficient phosphate adsorption in water. The adsorption properties were investigated through kinetics, isotherms, and thermodynamics. The adsorbent showed excellent stability within a pH range of 4-10 and was not significantly influenced by co-existing substances. Chemisorption was the main mechanism for phosphate adsorption. The maximum adsorption capacity of the adsorbent was 102.90 mg/g, higher than other La-based adsorbents. The adsorption process was spontaneous, exothermic, and disordered. The adsorbent exhibited excellent effectiveness in real wastewater.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Environmental Sciences
Zhuowen Meng, Ting Xu, Shuang Huang, Haimeng Ge, Wenting Mu, Zhongbing Lin
Summary: This study investigated the effects of competitive adsorption with Ni(II) and Cu(II) on the adsorption of Cd(II) by modified biochar co-aged with acidic soil. The results showed that competitive adsorption weakened the improvement of modification on the adsorption performance of modified biochar. Co-aging with soil further decreased the adsorption capacities of biochars for Cd(II).
Article
Chemistry, Physical
Haitao Wang, Dongdong Zhang, Yiping Zhao, Manman Xie
Summary: This study aimed to improve the adsorption and removal function of attapulgite (ATP) for phenol by synthesizing a cationic surfactant Gemini and modifying ATP. The modified ATP showed better dispersibility and abundant active cationic groups on the surface. The positively charged modified ATP with a hydrophobic surface was able to interact with the phenol molecules through 7C-7C interaction and electrostatic attraction. The adsorption behavior followed the Freundlich isotherm model and the modified ATP showed good reusability.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Chemistry, Physical
Jing Liang, Junwen Wang, Hong Liu, Emmanuella Anang, Xianyuan Fan
Summary: This study investigated the roles of Fe, Ni, and attapulgite in the nitroreduction and dechlorination of p-chloronitrobenzene (p-CNB) by attapulgite-supported Fe/Ni nanoparticles (ATP-nFe/Ni). The results showed that Ni contributed to alleviating the oxidization of Fe, acting as a catalyst to trigger the conversion of H-2 to active hydrogen atoms (H*), and promoting electron transfer of Fe. Fe, on the other hand, played a role in nitroreduction by electron transfer and production of H-2 through corrosion. Attapulgite provided an anoxic environment for nFe, reduced agglomeration, and increased reaction sites.
