Yonghai Gan

Nanjing University

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Shujuan Zhang

Lishui University

Bingdang Wu

Nanjing University

Yibin Cui

Nanjing Institute of Environmental Sciences

Chengcheng Ding

Ministry of Ecology and Environment

Kaixiang Jiang

Nanjing Tech University

Guoyang Zhang

Beijing University of Chemical Technology

Wenguang Huang

Ministry of Ecology and Environment

Xiaomeng Wang

Soochow University

Bin Xu

Beijing Tian Tan Hospital

Haojie Li

Anhui University of Science and Technology

Cooperative Institutions

Nanjing University

State Key Laboratory of Pollution Control and Resource Reuse

Ministry of Ecology and Environment

Nanjing Institute of Environmental Sciences

Chinese Academy of Sciences

Zhejiang University

Tsinghua University

Nanjing Tech University

University of Chinese Academy of Sciences

Harbin Institute of Technology

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Laccase immobilization with metal-organic frameworks: Current status, remaining challenges and future perspectives

Critical Reviews in Environmental Science and Technology (2020)

Wenguang Huang Wentao Zhang Yonghai Gan Jianghua Yang Shujuan Zhang

Laccase, as an important biocatalyst, has aroused wide public interests in the field of environment and catalysis. However, the application of laccase in large-scale is still limited due to its high solubility and poor stability. In order to improve the reusability of laccase, immobilization with functional materials has attracted increasing attention. Metal-organic frameworks (MOFs) stand out as a promising carrier for its high adsorption capacity and flexible structure. The present paper reviews the current status and remaining challenges in the immobilization of laccase with MOFs. Furthermore, three methods are proposed to further improve the immobilization of laccase with MOFs, including co-immobilization of laccase and mediator, co-immobilization of laccase and other enzymes, and coupling of biocatalysis with photochemical reactions. This work, as the first review article on the immobilization of laccase with MOFs, will provide a navigation map for the subsequent selection and design of MOFs for more targeted immobilization of laccase.

Reusability

Biocatalysis

10.1080/10643389.2020.1854565

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Citations (33)

Titanium xerogel as a potential alternative for polymeric ferric sulfate in coagulation removal of antimony from reverse osmosis concentrate

Separation and Purification Technology (2022)

Bingdang Wu Jingbiao Li Yonghai Gan Zhihao Hang Haojie Li

Ferric ion

10.1016/j.seppur.2022.120863

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Citations (16)

Titanium (IV) hydroxide-modified biochar electrode for efficient and selective fluorine removal by flow-electrode capacitive deionization

Separation and Purification Technology (2024)

Bin Xu Zilong Han Yonghai Gan Zhen Huang Zhe Li

Capacitive Deionization

Fluorine

10.1016/j.seppur.2024.131329

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Citations (0)

Efficient phosphorus removal from ultra-low concentration wastewater by flow-electrode capacitive deionization

Separation and Purification Technology (2024)

Jie Zhang Bin Xu Zheng Wang Yonghai Gan Zhihao Chen

Capacitive Deionization

10.1016/j.seppur.2024.126973

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Citations (7)

Titanium Xerogel as a Potential Alternative for Polymeric Ferric Sulfate in Coagulation Removal of Antimony from Reverse Osmosis Concentrate

SSRN Electronic Journal (2022)

Bingdang Wu Jingbiao Li Yonghai Gan Zhihao Hang Haojie Li

Reverse osmosis (RO) is a useful process for water purification or water reuse. Nevertheless, the generated RO concentrate may adversely affect the environment if not properly treated. Coagulation with polymeric ferric sulfate (PFS) is a widely used method for the treatment of antimony (Sb)-containing RO concentrate. However, the PFS coagulation is still suffering from high residual metal and turbidity. Herein, a titanium xerogel coagulant (TXC) was evaluated as an alternative for PFS to remove Sb from RO concentrate. The RO concentrate collected from a local textile factory had an initial Sb concentration of 806 μg/L, a turbidity less than 1 NTU, and a high conductivity (5.3 mS/cm). With TXC as the coagulant, the residual Sb concentrations met the direct discharge limit (50 μg/L) at all the tested conditions (pH: 3.0–9.0, dosage: 40–100 mg/L). Based on the analyses with potentiometric titrations, X-ray photoelectron spectroscopy, and X-ray diffraction pattern, the binding states between Sb and the flocs of TXC and PFS were investigated. The results reveal that sweep flocculation dominated in the removal of Sb by TXC, whereas charge neutralization played a major role in Sb removal by PFS. As a result, TXC coagulation was robust in a wide pH range and was less sensitive to organic matter. The work here provides a promising approach for the treatment of RO concentrate.

10.2139/ssrn.4024924

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Sludge reduction and cost saving in removal of Cu(II)-EDTA from electroplating wastewater by introducing a low dose of acetylacetone into the Fe(III)/UV/NaOH process

Journal of Hazardous Materials (2019)

Li Zhang Bingdang Wu Yonghai Gan Zhihao Chen Shujuan Zhang

Oxalic Acid

Acetylacetone

Industrial wastewater treatment

10.1016/j.jhazmat.2019.121107

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Citations (24)

Application of a novel zirconium coagulant in the coagulation-ultrafiltration process: Fluoride removal and membrane fouling alleviation

Chemical Engineering Journal (2023)

Le Qu Yonghai Gan Bin Xu Bingdang Wu Wei Wu

Ultrafiltration (renal)

10.1016/j.cej.2023.147324

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Citations (17)

Diketone-mediated photochemical reduction of selenite to elemental selenium: Role of carbon-centered radicals and complexation

Chemical Engineering Journal (2022)

Li Zhang Hongcen Zheng Bingdang Wu Yonghai Gan Guoyang Zhang

Acetylacetone

Diketone

10.1016/j.cej.2022.136831

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Citations (7)

Advantages of titanium xerogel over titanium tetrachloride and polytitanium tetrachloride in coagulation: A mechanism analysis

Water Research (2018)

Xiaomeng Wang Yonghai Gan Shang Guo Xueyan Ma Mengshan Xu

Titanium tetrachloride

Turbidity

10.1016/j.watres.2017.12.081

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Citations (63)

An all-in-one approach for synthesis and functionalization of nano colloidal gold with acetylacetone

Nanotechnology (2021)

Li Zhang Hongcen Zheng Yonghai Gan Bingdang Wu Zhihao Chen

Controllable synthesis, proper dispersion, and feasible functionalization are crucial requirements for the application of nanomaterials in many scenarios. Here, we report an all-in-one approach for the synthesis and functionalization of gold nanoparticles (AuNPs) with the simplestβ-diketone, acetylacetone (AcAc). With this approach, the particle size of the resultant AuNPs was tunable by simply adjusting the light intensity or AcAc dosage. Moreover, owing to the capping role of AcAc, the resultant AuNPs could be stably dispersed in water for a year without obvious change in morphology and photochemical property. Formation of ligand to metal charge transfer complexes was found to play an important role in the redox conversion of Au with AcAc. Meanwhile, the moderate complexation ability enables the surface AcAc on the AuNPs to undergo ligand exchange reactions (LER). With the aid of Ag+, the AuNPs underwent LER with glutathione and exhibited enhanced photoluminescence (PL) with a maximum of 22-fold increase in PL intensity. The PL response was linear to the concentration of glutathione in the range of 0-500μM. Such a LER makes the obtained AuNPs being good imaging probes. To the best of our knowledge, this is the first work on illustrating the roles of AcAc as a multifunctional ligand in fabrication of NPs, which sheds new light on the surface modulation in synthesis of nanomaterials.

Acetylacetone

Surface Modification

Nanomaterials

10.1088/1361-6528/ac38e7

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Citations (3)