Results 121 to 130 of about 5,722,673 (193)

Hydroxyapatite tailored hierarchical porous biochar composite immobilized Cd(II) and Pb(II) and mitigated their hazardous effects in contaminated water and soil.

Journal of Hazardous Materials, 2022
A novel composite of hydroxyapatite tailored hierarchical porous biochar (HA-HPB) was synthesized and used for the adsorptive immobilization of Cd(II) and Pb(II) in water and soil. The hierarchical porous biochar (HPB) was prepared from rice husk through
Weilong Wu, Zihan Liu, Muhammad Azeem, Zhiqiang Guo, Ronghua Li, Yage Li, Yaru Peng, E. Ali, Hailong Wang, Shengsen Wang, J. Rinklebe, S. Shaheen, Zengqiang Zhang   +12 more
semanticscholar   +1 more source

Multicomponent adsorption of heavy metals onto biogenic hydroxyapatite: Surface functional groups and inorganic mineral facilitating stable adsorption of Pb(Ⅱ).

Journal of Hazardous Materials, 2022
Due to the coexistence of various heavy metals in the contaminated environment, it is essential to comprehensively study the multicomponent adsorption of heavy metals in order to tackle these combined pollutants. Herein, the adsorption processes of Pb(Ⅱ),
Xiaofei Liu, Hua Yin, Hang Liu, Yuhao Cai, X. Qi, Zhi-yuan Dang   +5 more
semanticscholar   +1 more source

Facile preparation of magnetic Zr-MOF for adsorption of Pb(II) and Cr(VI) from water: Adsorption characteristics and mechanisms

Chemical Engineering Journal, 2021
A novel magnetic Zr-MOF named Ni0.6Fe2.4O4-UiO-66-PEI was synthesized by modifying UiO-66-NH2 with Ni0.6Fe2.4O4 and polyethyleneimine and its sorption characteristics for two representing heavy metals Pb(II) and Cr(VI) in water were examined.
Chen Wang, Chao Xiong, Yali He, Chen Yang, Xiteng Li, Jianzhong Zheng, Shixing Wang   +6 more
semanticscholar   +1 more source

Adsorption behaviors and mechanisms of Fe/Mg layered double hydroxide loaded on bentonite on Cd (II) and Pb (II) removal.

Journal of Colloid and Interface Science, 2021
In this study, FeMg-LDH loaded with bentonite (FeMg-LDH@bentonite) was prepared using the facile co-precipitating method in situ to remove heavy metals from water and then characterized using XRD, SEM, TEM, FTIR, BET, TGA, and XPS.
X. Guan, Xingzhong Yuan, Yanlan Zhao, Jing Bai, Ying Li, Yixin Cao, Yi Chen, Ting Xiong   +7 more
semanticscholar   +1 more source

Effect of biofilm colonization on Pb(II) adsorption onto poly(butylene succinate) microplastic during its biodegradation.

Science of the Total Environment, 2022
Few studies have mentioned the enrichment of heavy metal pollutants on microplastics derived from degradable plastics. This study investigated the adsorption behavior of Pb(II) onto biodegradable poly(butylene succinate) (PBS) microplastics during its ...
Yuan Li, Xuejiang Wang, Yuan Wang, Ying Sun, S. Xia, Jianfu Zhao   +5 more
semanticscholar   +1 more source

Uptake of Pb(II) onto microplastic-associated biofilms in freshwater: Adsorption and combined toxicity in comparison to natural solid substrates.

Journal of Hazardous Materials, 2021
In the present study, microplastic-associated biofilms were cultivated in an urban lake and a reservoir using virgin expanded polystyrene (PS). The uptake of Pb(II) onto both natural (suspended particles and surficial sediment) and anthropogenic (virgin ...
Kun Qi, Nan Lu, Shunqing Zhang, Weiwei Wang, Zirui Wang, Jiunian Guan   +5 more
semanticscholar   +1 more source

Facile preparation of sulfonated biochar for highly efficient removal of toxic Pb(II) and Cd(II) from wastewater.

Science of the Total Environment, 2021
Biochar is deemed as the ideal material for the effective removal of heavy metals in wastewater treatment. Herein, we developed a facile one-step solvothermal method for the preparation of sulfonated biochar (SBC) from Axonopus compressus under a low ...
Weibin Yu, Jiwen Hu, Yichang Yu, Dongdong Ma, Wenting Gong, Hongxuan Qiu, Zhangjun Hu, Hongwen Gao   +7 more
semanticscholar   +1 more source

Optimization of innovative composite sensor for Pb(II) detection and capturing from water samples

, 2021
In developing countries, the lack of analytical infrastructures hindering the regular quality assessments of water quality. The access to affordable, portable and easy-to-use analytical technologies for real-time and on-site water monitoring is necessary
M. Salman, Hussein Znad, M. Hasan, M. Hasan   +3 more
semanticscholar   +1 more source

Enhanced adsorption of aqueous Pb(II) by modified biochar produced through pyrolysis of watermelon seeds.

Science of the Total Environment, 2021
A biochar (BC) was obtained by the pyrolysis of watermelon seeds (WM) in nitrogen environment. In addition, a modified biochar (HP-BC) was obtained by means of H2O2 treatment of BC.
Waqas Ahmed, S. Mehmood, Avelino Núñez-Delgado, Sehrish Ali, Muhammad Qaswar, A. Shakoor, Mohsin Mahmood, Di-yun Chen   +7 more
semanticscholar   +1 more source

Nanosorbent based on coprecipitation of ZnO in goethite for competitive sorption of Cd(II)-Pb(II) and Cd(II)-Pb(II)-Ni(II) systems

Journal of Environmental Health Science and Engineering, 2023
Amongst the various water pollutants, heavy metal ions require special attention because of their toxic nature and effects on humans and the environment. Preserving natural resources will have positive impacts on living conditions by reducing diseases and water treatment by nanotechnology is effective in solving this problem owing to the properties of ...
John Godwin, Jacques Romain Njimou, Nasalam Abdus-Salam, Haleemat Iyabode Adegoke, Prasanna Kumar Panda, Bankim Chandra Tripathy, Sanda Andrada Maicaneanu   +6 more
openaire   +2 more sources