Article
Environmental Sciences
Xiulei Fan, Weiliang Zhang, Yiming Liu, Shang Shi, Yue Cui, Ziyu Zhao, Jun Hou
Summary: The use of Cu/Zn-SBC as a catalyst to activate persulfate for the degradation of antibiotics was investigated in this study. The results showed that the Cu/Zn-SBC + PS system achieved a high removal rate of tetracycline (TC), with over 99% removal within 4 hours. The system was found to be dominated by radical and nonradical pathways, and the presence of Cu, hydroxyl groups, and carboxyl groups on the surface of Cu/Zn-SBC promoted the production of free radicals and non-free radicals. The study provides an ideal solution for the treatment of sewage sludge and offers a stable and efficient material for removing antibiotics from wastewater.
ENVIRONMENTAL RESEARCH
(2023)
Article
Environmental Sciences
Xuyin Huang, Xiaojun Niu, Dongqing Zhang, Xiaoqin Li, Haoshen Li, Ziyuan Wang, Zhang Lin, Mingli Fu
Summary: This study investigates the removal of heavy metals using nanoscale zero-valent iron modified biochar (nZVI-BC) and the interaction between nZVI corrosion products and heavy metals. The results show that nZVI-BC follows the Langmuir isotherm for Cr(VI) adsorption, and the main removal mechanism is the reduction of Cr(VI) to Cr(III). The corrosion of nZVI-BC is influenced by pH, with different iron oxide products formed at different pH levels. DFT calculations reveal that Fe3O4 has higher adsorption capacity for Cr(VI) under acidic conditions, and it effectively removes Cr(VI) through electrostatic attraction and reduction. However, Fe3O4 continues to convert to more stable FeOOH, which stabilizes the reduced Cr(III).
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Engineering, Environmental
Tianyou Hu, Shixiong Zhao, Yuantao Huang, Zhili Chen, Xuehong Zhang, Chunzhong Wei, Si Zeng, Liheng Liu
Summary: The study investigated the potential of iron-loaded sludge biochar (ISBC) to remove tetracycline (TC) and sulfamethoxazole (SMX). Under optimized conditions, the maximum removal capacity of ISBC for TC and SMX was determined. The results indicated that monolayer chemisorption dominated the removal process and different factors influenced the removal rates.
JOURNAL OF WATER PROCESS ENGINEERING
(2023)
Review
Environmental Sciences
Ihsanullah Ihsanullah, Muhammad Tariq Khan, Mukarram Zubair, Muhammad Bilal, Muhammad Sajid
Summary: This review critically evaluates the recent progress in applications of sludge-based biochar for the adsorption of pharmaceuticals from water, highlighting its excellent potential for the removal of numerous pharmaceuticals. The effects of synthesis techniques of biochar production from sludge on the physicochemical characteristics of produced biochar and their adsorption performance are discussed, with a focus on reusability.
Article
Materials Science, Multidisciplinary
Hongwei Sun, Jingjie Yang, Yue Wang, Yucan Liu, Chenjian Cai, Afshin Davarpanah
Summary: The study found that magnetic Fe3O4 biochar had the highest efficiency in removing tetracycline, with adsorption effectiveness influenced by material ratio and acidic conditions. The adsorption process mainly involved chemical adsorption and physical adsorption, with differences in adsorption mechanisms among the materials. The magnetic biochar maintained a certain adsorption capacity after five cycles.
Article
Agricultural Engineering
Xianzhao Zhang, Dawei Zhen, Fengmao Liu, Rui Chen, Qingrong Peng, Zongyi Wang
Summary: In this study, poplar wood biochar modified with Fe3O4 was used to remove tetracyclines and fluoroquinolones. The adsorption behavior was studied through batch experiments and various characterization techniques. The results showed that multiple mechanisms, including pore filling, electrostatic interactions, pi-pi interaction, surface complexation, and hydrogen bond, contributed to the adsorption of antibiotics on MPBC. Moreover, the study demonstrated that the adsorption capacity of MPBC for tetracyclines was significantly higher than that for fluoroquinolones, and the adsorption was favorable at lower ionic strengths and neutral conditions.
BIORESOURCE TECHNOLOGY
(2023)
Article
Environmental Sciences
Jin Zhang, Hao Yu, Weijian Xu, Hongyu Shi, Xiaohong Hu, Jiang Xu, Liping Lou
Summary: Sulfidized nanoscale zerovalent iron (S-nZVI) is a promising material for degrading halogenated contaminants. However, its easy aggregation limits its application for in-situ groundwater remediation. Therefore, S-nZVI was decorated onto modified biochar (mBC) to enhance dispersity and reactivity with florfenicol (FF), resulting in significantly higher removal rates compared to S-nZVI alone.
ENVIRONMENTAL RESEARCH
(2023)
Review
Biotechnology & Applied Microbiology
Qingshuang Zhao, Ting Xu, Xueping Song, Shuangxi Nie, Sun-Eun Choi, Chuanling Si
Summary: This paper reviews the preparation of magnetic biochar and its application in wastewater treatment, emphasizing the effectiveness of magnetic biochar in adsorbing pollutants and its advantages in solving water treatment challenges.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2021)
Article
Environmental Sciences
Fangfang Zhang, Jieni Wang, Yijun Tian, Chenxiao Liu, Shuqin Zhang, Leichang Cao, Yanmei Zhou, Shicheng Zhang
Summary: A novel magnetized biochar, MF-CMS, was prepared by hydrothermal carbonization and pyrolysis activation. It showed high efficiency in removing tetracycline antibiotics from water. The adsorption mechanisms involved both chemisorption and physisorption, with chemisorption dominating.
ENVIRONMENTAL POLLUTION
(2023)
Article
Biotechnology & Applied Microbiology
Zhihong Zheng, Xiaohan Duan, Jingxi Tie
Summary: In this study, a composite adsorbent Fe-Zn@BC was prepared using traditional Chinese medicine residual (TCMR), iron-based waterworks sludge (IBWS), and zinc chloride (ZnCl2) for the removal of Cr(VI) in water. The experimental results showed that Fe-Zn@BC exhibited good adsorption performance for Cr(VI) under acidic conditions, and the adsorption process followed the pseudo-second-order kinetics and Langmuir isotherm. It was also found that anions had a negative effect on the adsorption of Cr(VI) by Fe-Zn@BC. Moreover, the magnetization of the composite and the activation of ZnCl2 improved the adsorption capability and magnetism of Fe-Zn@BC.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2022)
Article
Environmental Sciences
Xiaoting Long, Ruixue Zhang, Rong Rong, Pan Wu, Shiwan Chen, Jipei Ao, Li An, Yuran Fu, Huanhuan Xie
Summary: Acid mine drainage (AMD) sludge can be used to prepare adsorbent materials for heavy metal removal in water. Magnetic modified biochar (MMB) was prepared from carbonate rock neutralization treatment of AMD sludge and rice straw agricultural waste. The adsorption capacities of MMB for Pb2+ and Zn2+ were investigated and characterized. The results showed that MMB had significantly increased specific surface area and pore volume compared to unmodified biochar (UMB). The adsorption process of Pb2+ and Zn2+ onto MMB followed the Langmuir adsorption isotherm and second-order kinetic models.
Article
Environmental Sciences
Ruoan Wang, Jun Ren, Hanru Ren, Ling Tao, Chaohui Wu, Xinni Sun, Mairong Lv
Summary: Three types of modified sludge biochar were produced to enhance copper adsorption in aqueous solutions. The calcium-based magnetic clay biochar showed the highest adsorption capacity and promising potential for practical applications.
Article
Engineering, Environmental
Yanfang Liu, Wei Gao, Rui Liu, Wenjing Zhang, Jianrui Niu, Xiaoyue Lou, Gong Li, Haoyun Liu, Zaixing Li
Summary: The research shows that biochar prepared from single Fenton sludge has better phosphorus adsorption performance than co-pyrolysis with bamboo powder. The phosphorus adsorption mainly depends on the specific surface area and iron content of the biochar, while the pH value has a significant impact on the adsorption capacity.
WATER ENVIRONMENT RESEARCH
(2022)
Article
Environmental Sciences
Weixiong Lin, Jiali Zhou, Shuiyu Sun
Summary: Biochar loaded with Mg/Fe bimetallic oxide showed enhanced adsorption capacity for heavy metals in water. The maximum adsorption capacities of (Mg/Fe)LDO-ASB for Pb(II) and Cd(II) were calculated to be 408.31 and 270.41 mg/g, respectively. The adsorption mechanisms involved spontaneous chemisorption, heterogeneous multilayer adsorption, film diffusion, oxygen-containing functional group complexation, mineral precipitation, electron-& pi;-metal interactions, and ion exchange.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Review
Engineering, Environmental
Jingqin Ji, Xingzhong Yuan, Yanlan Zhao, Longbo Jiang, Hou Wang
Summary: This paper reviews the application mechanisms of sludge biochar and its composites in adsorption and advanced oxidation processes. The synthesis techniques and influencing factors are studied to reveal the mechanisms behind their adsorption performance and catalytic efficiency. The paper discusses the different mechanisms of sludge biochar in adsorption and catalytic processes, and presents challenges and perspectives for their application from a mechanistic point of view.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Agricultural Engineering
Jiayi Tang, Yongfei Ma, Chenyu Zeng, Lie Yang, Song Cui, Suli Zhi, Fengxia Yang, Yongzhen Ding, Keqiang Zhang, Zulin Zhang
Summary: This study proposes a novel adsorbent (BMFA-BC) by using a facile ball milling technology to tailor Fe-Al oxides-laden bagasse biochar. The increased exposure of Fe-Al oxides and enhanced functional groups by ball milling result in a high adsorption capacity of BMFA-BC for aqueous tetracycline at 298 K, reaching up to 116.6 mg g-1. The adsorption performance is influenced by temperature.
BIORESOURCE TECHNOLOGY
(2023)
Article
Engineering, Environmental
Lijuan Wu, Xiaoke Yan, Lie Yang, Shitai Shen, Yulong Li, Shangding Yang, Liuyang He, Yulin Chen, Shengmao Yang, Zulin Zhang
Summary: This study systematically investigated the degradation performance and mechanism of chloramphenicol (CAP) using UV/sulfite advanced reduction processes (ARPs). The results showed that UV/sulfite-ARPs achieved simultaneous degradation efficiency of 90.67% and dechlorination efficiency of 92.22% within 50 minutes. The study also found that the degradation and dechlorination of CAP were influenced by sulfite concentration, and complete degradation and dechlorination were achieved. The presence of co-existing anions and water matrices had negligible effect on the degradation and dechlorination efficiencies of CAP.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Yongfei Ma, Jiayi Tang, Siyu Chen, Lie Yang, Shitai Shen, Xi Chen, Zulin Zhang
Summary: A novel method using ball milling and acetic acid co-modified sludge biochar (BASBC) was developed for degrading neonicotinoids. The degradation efficiency of the targeted pesticide reached 95.2% within 60 minutes. The BASBC also showed excellent degradation performance for other three typical neonicotinoids.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Environmental Sciences
Yulong Li, Liuyang He, Yulin Chen, Jianming Xue, Li Zheng, Shengmao Yang, Li Wu, Zhendong Chen, Zulin Zhang, Lie Yang
Summary: This study investigates the distribution of PFOA and PFOS in soil aggregates. The ability of soil aggregates to carry these pollutants initially decreases and then increases with decreasing particle sizes. Organic matter is the main factor influencing their distribution, while soil types have no effect.
JOURNAL OF SOILS AND SEDIMENTS
(2023)
Article
Environmental Sciences
Fengxia Yang, Xiaolong Wang, Xueli Tian, Zulin Zhang, Kai Zhang, Keqiang Zhang
Summary: In this study, the impacts of earthworm-converted livestock manure on antibiotic resistance genes (ARGs) in the earthworm gut were investigated. The results showed that livestock manure significantly increased the abundance of ARGs in the foregut and midgut of earthworms, but decreased in the hindgut. Copper had little effect on ARGs in the earthworm gut. Additionally, copper in wormcast significantly increased the abundance of ARGs.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Liang Tian, Xiaofu Xu, Zulin Zhang, Yongzhen Ding, Keqiang Zhang, Suli Zhi
Summary: A comprehensive investigation on antibiotics in seawater from Bohai Bay is conducted, including the occurrence, ecological risks, and their relationship with trace elements and other contaminants. Tetracyclines were found to have the highest concentration among the five classes, with higher concentrations detected near the coast or shipping port.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
(2023)
Review
Chemistry, Physical
Jianting Sun, Wei Zheng, Gang Hu, Fan Liu, Siyuan Liu, Lie Yang, Zulin Zhang
Summary: Electrochemically assisted persulfate oxidation processes (EPOPs) have become increasingly popular for the degradation of organic pollutants. This review discusses the current status and prospects of EC/PS degradation and highlights the enhanced oxidation of organic contaminants using the combination of EC and PS. Various operational variables affecting contaminant removal are investigated, with the optimal conditions being case-specific. EPOPs offer a promising alternative to traditional advanced oxidation techniques, although there are still some drawbacks and challenges for large-scale applications.
Article
Green & Sustainable Science & Technology
Youming Zhang, Yun Gao, Yan Zhang, Zhijie Liang, Zulin Zhang, Yulong Zhao, Ping Li
Summary: With the rapid development of the global economy and society, water shortage has become a crucial limitation to the growth of many cities. This paper constructs an agricultural water resources evaluation system and uses CRITIC and AHP methods to quantitatively evaluate the agricultural water resources carrying capacity (AWRCC) in Henan Province. The results provide practical and rational suggestions for the sustainable development of AWRCC and understanding the current situation of agricultural water resources in Henan.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Environmental Sciences
Linghui Quan, Yongtao Cheng, Jiping Wang, Yulin Chen, Diantong Li, Shiqi Wang, Bolin Li, Zulin Zhang, Lie Yang, Li Wu
Summary: In this study, Scenedesmus sp. TXH microalgae strain was used to remove the neonicotinoid pesticide thiamethoxam (THIA). The results showed that Scenedesmus sp. TXH exhibited high degradation ability and resistance to THIA, effectively removing THIA and conventional pollutants from wastewater. Moreover, THIA was found to cause oxidative damage to microalgae.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Environmental Sciences
Zhikun Liu, Song Cui, Qiang Fu, Fuxiang Zhang, Zulin Zhang, Rupert Hough, Lihui An, Yi-Fan Li, Leiming Zhang
Summary: The study investigated the presence and fate of neonicotinoid insecticides (NNIs) in the farmland-river-marsh continuum in Northeast China. The most frequently detected NNIs were imidacloprid, thiamethoxam, and clothianidin. The concentrations of NNIs in soil, surface water, and sediment samples were measured, with higher concentrations found in upland fields and soybean-growing soils. The estimated environmental risks to aquatic organisms from residual concentrations of NNIs in water were low.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Chemistry, Physical
Zhikang Deng, Jinyao Zhu, Ping Li, Zhenjie Du, Xuebin Qi, Xi Chen, Rui Mu, Chenyu Zeng, Yongfei Ma, Zulin Zhang
Summary: A novel zinc metal organic framework porous biochar composite (Zn-BTC@SBC) derived from sludge was synthesized and used for adsorptive removal of tetracycline (TC) from water. The Zn-BTC@SBC showed a high adsorption capacity for TC due to its larger surface area, pore volume, and abundant oxygen-containing functional groups. The study demonstrated the promising potential of Zn-BTC@SBC for TC removal and the sustainable utilization of sludge.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Environmental Sciences
Yile Wang, Yuying Feng, Yulin Chen, Tianyi Li, Yang Tan, Yongfei Ma, Zulin Zhang
Summary: This study is the first to investigate the annual flux, spatiotemporal changes and sources of PCBs and PBDEs in water and sediment from the middle reach of Yangtze River (Wuhan, China), based on monthly monitoring data in a one-year study.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Engineering, Environmental
Xi Chen, Jinyao Zhu, Yongfei Ma, Chenyu Zeng, Rui Mu, Zhikang Deng, Zulin Zhang
Summary: A novel approach using ball milling and oxalic acid to modify sludge-based biochar was found to enhance its activation performance for degrading sulfamethoxazole. The system showed high removal rates for sulfamethoxazole at different pH levels and had good tolerance to background electrolytes. Non-radicals and surface-bound radicals were identified as the main contributors to the degradation process. The transformed products generated in the system were less toxic than sulfamethoxazole. After multiple reuse cycles, the system maintained a high removal rate. This study provides valuable insights for the treatment of municipal sludge.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
