Article
Environmental Sciences
Xiao Tan, Yinjie Zhang, Meng Liu, Jinman Cao, Guilan Duan, Jun Cui, Aijun Lin
Summary: In this study, a novel layered double hydroxide was prepared through ultrasonic-assisted co-precipitation method, which can efficiently remove Cr(VI) contamination in water and has good removal effects at different pH ranges. The results of the study indicate that U-Fe/Al-LDH is a promising remediation agent and a feasible method for Cr(VI) removal.
Review
Environmental Sciences
Nazeer Abdul Azeez, Swati Sucharita Dash, Sathyanarayana Naidu Gummadi, Vijaykumar Sudarshana Deepa
Summary: This article discusses the pollution of the environment with toxic heavy metals due to industrialization and modern agricultural practices, with a focus on hexavalent chromium. Various methods, including nano and bioremediation, have been employed to reduce heavy metal concentrations, improving efficiency and lowering costs.
Article
Biochemistry & Molecular Biology
Chunzi Xu, Yunlan Xu, Dengjie Zhong, Haixing Chang, Jiaxin Mou, Hui Wang, Hongyu Shen
Summary: To improve the removal efficiency of Cr (VI) by chitosan, this study successfully synthesized a Zr4+ and glutaraldehyde crosslinked polyethyleneimine functionalized chitosan (CGPZ) composite. The adsorption process of Cr (VI) by CGPZ was found to be a spontaneous endothermic process controlled by entropy. The adsorbent showed good acid-base resistance and regeneration performance. CGPZ can synergistically adsorb Cr (VI) through electrostatic interaction and ion exchange, and then reduce Cr (VI) to Cr (III) and chelate Cr (III) through specific functional groups.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Environmental Sciences
Wenzhi Gu, Mengyao Cui, Chang Tian, Cuicui Wei, Lixia Zhang, Dechong Zheng, Daping Li
Summary: The study found that citrate and lactate have good reduction effects in the continuous and stable remediation of Cr (VI)-contaminated soil, and citrate is more advantageous in maintaining the stability of the soil microbial community.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2021)
Article
Engineering, Environmental
Shakeel Ahmad, Feilong Gao, Honghong Lyu, Jingkang Ma, Beibei Zhao, Siyu Xu, Cholnam Ri, Jingchun Tang
Summary: This study investigates the removal of hexavalent chromium and nitrobenzene using iron and nitrogen doped biochar composites. The results show that the Fe1-N1-BC1 composite exhibits higher efficiency and stability in pollutant removal, and is capable of simultaneously removing different types of pollutants.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Environmental Sciences
Kaidi Jiang, Jia Zhang, Zhihui Deng, Samuel Barnie, Jingjie Chang, Yawen Zou, Xiangyu Guan, Fei Liu, Honghan Chen
Summary: This study investigated the zoning characteristics of abiotic and biotic effects in a Cr(VI) contaminated natural wetland. The contaminated zone was dominated by chemical reduction by natural organic matters, while the downstream area saw direct microbial reduction of Cr(VI). The transition zone experienced intermittent Cr(VI) presence with indirect reduction by Fe2+.
ENVIRONMENTAL POLLUTION
(2021)
Article
Environmental Sciences
Xinru Yang, Peng Liu, Meng Yao, He Sun, Ruxue Liu, Jiayin Xie, Yongsheng Zhao
Summary: The study found that using molasses to remediate Cr(VI)-contaminated groundwater is cost-effective and can effectively avoid secondary contamination. The addition of ascorbic acid can promote the rate of bioremediation, while NaHCO3 can buffer pH changes and promote the precipitation of Cr(III).
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Biotechnology & Applied Microbiology
Josefina Plaza-Cazon, Maria Paz Salazar Landea, Edgardo Ruben Donati
Summary: Brown algae, Undaria pinnatifida, proved to be an efficient biosorbent for removing hexavalent chromium from solutions at pH 2. The maximum removal capacity and Langmuir affinity coefficient were determined to be 0.641 mmol.g-1 and 29.1 L.mmol(-1), respectively. FTIR and XPS analyses confirmed the presence of both Cr(III) and Cr(VI) on the biomass, suggesting a sorption-reduction-desorption mechanism. This study highlights the potential use of this invasive algae as a low-cost option for treating industrial effluents containing Cr(VI).
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2022)
Article
Engineering, Environmental
Elina Ceballos, Jordi Cama, Josep M. Soler, Robert Frei
Summary: Our study focused on the leaching processes of hexavalent chromium (Cr(VI)) in contaminated soil, resulting in groundwater contamination. Characterization of the soil using various techniques revealed that the main source of Cr was solid waste in the upper meter of the soil. Flow-through and column experiments were conducted to understand the release and mobility of Cr(VI), and numerical simulations helped interpret these processes. The accurate characterization of these processes is crucial for effectively mitigating Cr(VI) mobility in contaminated soils.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Engineering, Environmental
Ruixin Yan, Xiuping Feng, Long Kong, Qun Wan, Weilin Zheng, Takeshi Hagio, Ryoichi Ichino, Xinde Cao, Liang Li
Summary: A novel composite material FeS/HTs was synthesized and demonstrated high efficiency in removing hexavalent chromium from water. The superior adsorption capacity of FeS/HTs, attributed to the combination of abundant adsorption sites and powerful reduction properties, suggests potential applications in chromium removal.
CHEMICAL ENGINEERING JOURNAL
(2021)
Editorial Material
Environmental Sciences
Hanui Yang, Namgyu Kim, Donghee Park
Summary: Review papers are important for researchers to align their research and for beginners to quickly gain relevant knowledge. This particular review paper by Othmani et al. (2022) focuses on the adsorptive removal of three harmful pollutants using agricultural waste materials. However, the section related to Cr(VI) removal lacks important information regarding the redox reaction mechanism involved. It is crucial to interpret the factors affecting Cr(VI) removal in terms of the redox reaction concept rather than simple anion adsorption.
ENVIRONMENTAL RESEARCH
(2023)
Article
Engineering, Environmental
Chunzi Xu, Yunlan Xu, Dengjie Zhong, Haixing Chang, Jiaxin Mou, Hui Wang, Hongyu Shen
Summary: This study successfully synthesized Zr4+-crosslinked magnetic chitosan/polyaniline composite for the first time and used it to remove Cr(VI) from aqueous solution. The composite material exhibited high adsorption capacity, excellent stability, and regeneration ability, and showed good performance in Cr(VI) removal.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Environmental Sciences
Christiana Mystrioti, Stefania Koursari, Anthimos Xenidis, Nymphodora Papassiopi
Summary: The study demonstrates that gallic acid is effective in rapidly reducing Cr(VI) to Cr(III) in mild acidic conditions, following 2nd order kinetics in the pH range 3-5, with a different reduction mechanism observed at pH 5 and pH 6.
Article
Environmental Sciences
Minzhang Li, Qikun Hu, Haiquan Shan, Wenjian Yu, Zong-Xiang Xu
Summary: The combination of CuPc and N-CuMe2Pc with rGO to form CuPc/rGO and N-CuMe2Pc/rGO nanocomposites significantly improves the removal efficiency of Cr(VI), with N-CuMe2Pc/rGO exhibiting higher specific surface area, higher light harvesting, higher conductivity, and more negative lowest unoccupied molecular orbital level.
Article
Environmental Sciences
Na Chen, Shiyu Cao, Lin Zhang, Xing Peng, Xiaobing Wang, Zhihui Ai, Lizhi Zhang
Summary: This study compared the Cr(VI) removal processes of hydrochar and pyrochar in dark and under simulated sunlight, revealing that hydrochar showed higher Cr(VI) reduction percentage through direct surface electron reduction and indirect solution O-2(-) reduction pathways compared to pyrochar. The different Cr(VI) reduction pathways were attributed to the structural dependent Cr(VI) adsorption models of hydrochar and pyrochar, suggesting an efficient Cr(VI) removal strategy with sunlight and hydrochar.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Daniela Bona, Alessia Vecchiet, Michela Pin, Flavio Fornasier, Claudio Mondini, Raffaele Guzzon, Silvia Silvestri
WASTE AND BIOMASS VALORIZATION
(2018)
Review
Agricultural Engineering
M. A. Sanchez-Monedero, M. L. Cayuela, A. Roig, K. Jindo, C. Mondini, N. Bolan
BIORESOURCE TECHNOLOGY
(2018)
Article
Environmental Sciences
Thomas L. Oldfield, Natasa Sikirica, Claudio Mondini, Guadalupe Lopez, Peter J. Kuikman, Nicholas M. Holden
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2018)
Article
Green & Sustainable Science & Technology
Ines Lopez-Cano, Maria L. Cayuela, Claudio Mondini, Chibi A. Takaya, Andrew B. Ross, Miguel A. Sanchez-Monedero
Article
Agronomy
Claudio Mondini, Flavio Fornasier, Tania Sinicco, Paolo Sivilotti, Federica Gaiotti, Davide Mosetti
EUROPEAN JOURNAL OF AGRONOMY
(2018)
Article
Agronomy
Miguel A. Sanchez-Monedero, Maria L. Cayuela, Maria Sanchez-Garcia, Bart Vandecasteele, Tommy D'Hose, Guadalupe Lopez, Carolina Martinez-Gaitan, Peter J. Kuikman, Tania Sinicco, Claudio Mondini
Review
Agriculture, Multidisciplinary
Keiji Jindo, Yuki Audette, Fabio Satoshi Higashikawa, Carlos Alberto Silva, Kinya Akashi, Giovanni Mastrolonardo, Miguel Angel Sanchez-Monedero, Claudio Mondini
CHEMICAL AND BIOLOGICAL TECHNOLOGIES IN AGRICULTURE
(2020)
Review
Agriculture, Multidisciplinary
Keiji Jindo, Miguel Angel Sanchez-Monedero, Giovanni Mastrolonardo, Yuki Audette, Fabio Satoshi Higashikawa, Carlos Alberto Silva, Kinya Akashi, Claudio Mondini
CHEMICAL AND BIOLOGICAL TECHNOLOGIES IN AGRICULTURE
(2020)
Article
Geochemistry & Geophysics
Rosanna Margalef-Marti, Alba Llovet, Raul Carrey, Angela Ribas, Xavier Domene, Stefania Mattana, Juan Chin-Pampillo, Claudio Mondini, Josep Ma Alcaniz, Albert Soler, Neus Otero
Summary: This study investigated the impact of fertilization on the isotopic composition of nitrogen compounds in soils, finding that the isotopic signature of leached NO3 did not directly reflect the isotopic composition of applied pig slurry.
APPLIED GEOCHEMISTRY
(2021)
Article
Environmental Sciences
Alba Llovet, Stefania Mattana, Juan Chin-Pampillo, Neus Otero, Raul Carrey, Claudio Mondini, Gabriel Gasco, Esther Marti, Rosanna Margalef, Josep Maria Alcaniz, Xavier Domene, Angela Ribas
Summary: This study aims to verify the effect of biochar on soil nitrate content and identified the formation of an organo-mineral coating as a possible explanation for the decrease in ionic content.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Agronomy
Andrea Ferrarini, Enrico Martani, Claudio Mondini, Flavio Fornasier, Stefano Amaducci
Summary: This study investigates the effects of adding different biomass components on soil C and N mineralization and the factors controlling decomposition. The results show that the decomposition rates of rhizomes and fine roots are different, with fine roots being less decomposable. In addition, the availability of easily decomposable substrates and cell-wall composition decomposition play important roles in C and N mineralization.
Article
Agronomy
Ana Cervera-Mata, Claudio Mondini, Alejandro Fernandez-Arteaga, Tania Sinicco, Gabriel Delgado
Summary: Spent coffee grounds and derived products can be potentially useful as soil amendments due to their high carbon and nutrient content. A 30-day incubation study was conducted to evaluate the impact of different doses of spent coffee grounds, biochar produced at 270°C, and hydrochar produced at 200°C on soil functionality. The results showed that soil amended with the most degradable materials had higher CO2 emissions, microbial biomass carbon, and extractable organic carbon, but also led to nitrogen immobilization. The biochar produced at 270°C was the most efficient amendment for retaining added carbon and minimizing nitrogen immobilization when compared to spent coffee grounds and hydrochar. Spent coffee grounds derived amendments can serve different functions in soil, with spent coffee grounds and hydrochar being more effective at increasing carbon mineralization and microbial pool, while biochar is more effective at enhancing organic carbon levels. Higher application rates generally had more positive impacts on soil functioning, with the limitation of short-term nitrogen immobilization.
ARCHIVES OF AGRONOMY AND SOIL SCIENCE
(2023)
Proceedings Paper
Horticulture
Claudio Mondini, Giovanni Bigot, Tania Sinicco, Davide Mosetti
CO.NA.VI. 2018 - 7 CONVEGNO NAZIONALE DI VITICOLTURA
(2019)
Article
Ecology
Claudio Mondini, Maria Luz Cayuela, Tania Sinicco, Flavio Fornasier, Antonia Galvez, Miguel Angel Sanchez-Monedero
Article
Environmental Sciences
Claudio Mondini, Maria Luz Cayuela, Tania Sinicco, Flavio Fornasier, Antonia Galvez, Miguel Angel Sanchez-Monedero
FRONTIERS IN ENVIRONMENTAL SCIENCE
(2018)
