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Arsenic removal from water and soils using pristine and modified biochars

Biochar 2022年第1期4卷 255-280页

作者： Wei Zhang Yoora Cho Meththika Vithanage Sabry M.Shaheen Jörg Rinklebe Daniel S.Alessi Chia-Hung Hou yohey hashimoto Piumi Amasha Withana Yong Sik Ok Korea Biochar Research Center APRU Sustainable Waste Management and Division of Environmental Science and Ecological EngineeringKorea UniversitySeoul 02841South Korea School of Environmental Science and Engineering Guangzhou UniversityGuangzhou 510006China Ecosphere Resilience Research Center Faculty of Applied SciencesUniversity of Sri JayewardenepuraNugegoda 10250Sri Lanka Sustainability Cluster University of Petroleum and Energy StudiesUttarkhandDehradunIndia The Institute of Agriculture The University of Western AustraliaCrawleyAustralia School of Architecture and Civil Engineering Institute of Foundation EngineeringWater-and Waste-ManagementLaboratory of Soil-and Groundwater-ManagementUniversity of WuppertalPauluskirchstraße742285 WuppertalGermany Department of Earth and Atmospheric Sciences University of AlbertaEdmontonAB T6G 2E3Canada Graduate Institute of Environmental Engineering National Taiwan UniversityTaipei 10617TaiwanChina Department of Bioapplications and Systems Engineering Tokyo University of Agriculture and TechnologyTokyoJapan Department of Arid Land Agriculture Faculty of MeteorologyEnvironmentand Arid Land AgricultureKing Abdulaziz University21589 JeddahSaudi Arabia Department of Soil and Water Sciences Faculty of AgricultureUniversity of Kafrelsheikh33516 Kafr El-SheikhEgypt

Arsenic(As)is recognized as a persistent and toxic contaminant in the environment that is harmful to ***,a porous carbonaceous material with tunable functionality,has been used widely as an adsorbent for remediating As-contaminated water and *** types of pristine and modified biochar are available,and significant efforts have been made toward modifying the surface of biochars to increase their adsorption capacity for *** capacity is influenced by multiple factors,including biomass pyrolysis temperature,pH,the presence of dissolved organic carbon,surface charge,and the presence of phosphate,silicate,sulfate,and microbial *** As adsorption in modified biochars is attributed to several mechanisms including surface complexation/precipitation,ion exchange,oxidation,reduction,electrostatic interactions,and surface functional groups that have a relatively higher affinity for *** biochars show promise for As adsorption;however,further research is required to improve the performance of these *** example,modified biochars must be eco-friendly,cost-effective,reliable,efficient,and sustainable to ensure their widespread application for immobilizing As in contaminated water and *** relevant research to address these issues relies on a thorough understanding of biochar modifications to *** study presents an in-depth review of pristine and modified biochars,including their production,physicochemical properties,and As adsorption ***,a comprehensive evaluation of biochar applications is provided in As-contaminated environments as a guide for selecting suitable biochars for As removal in the field.

关键词： Engineered biochar Removal mechanisms Arsenic pollution Water pollution Soil pollution

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Response of microbial communities to biochar-amended soils:a critical review

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Biochar 2019年第1期1卷 3-22页

作者： Kumuduni Niroshika Palansooriya James Tsz Fung Wong yohey hashimoto Longbin Huang Jörg Rinklebe Scott X.Chang Nanthi Bolan Hailong Wang Yong Sik Ok Korea Biochar Research Center O-Jeong Eco-Resilience Institute(OJERI)Division of Environmental Science and Ecological EngineeringKorea UniversitySeoul 02841Republic of Korea Department of Civil and Environmental Engineering The Hong Kong University of Science and TechnologyHong Kong SARChina Department of Bioapplications and Systems Engineering Tokyo University of Agriculture and TechnologyTokyoJapan Environment Centres Sustainable Minerals InstituteThe University of QueenslandBrisbaneQLD 4072Australia Laboratory of Soil-and Groundwater-Management School of Architecture and Civil EngineeringInstitute of Foundation Engineering and Water and-Waste ManagementUniversity of WuppertalPauluskirchstraße 742285 WuppertalGermany Department of Environment Energy and GeoinformaticsSejong UniversitySeoul 05006Republic of Korea Department of Renewable Resources University of AlbertaEdmontonAB T6G 2E3Canada Global Centre for Environmental Remediation University of NewcastleCallaghanNSW 2308Australia School of Environmental and Chemical Engineering Foshan UniversityFoshan 528000GuangdongChina Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province Zhejiang A&F University

Application of biochar to soils changes soil physicochemical properties and stimulates the activities of soil microorganisms that influence soil quality and plant *** the response of soil microbial communities to biochar amendments is important for better understanding interactions of biochar with soil,as well as ***,the effect of biochar on soil microorganisms has received less attention than its influences on soil physicochemical *** this review,the following key questions are discussed:(i)how does biochar affect soil microbial activities,in particular soil carbon(C)mineralization,nutrient cycling,and enzyme activities?(ii)how do microorganisms respond to biochar amendment in contaminated soils?and(iii)what is the role of biochar as a growth promoter for soil microorganisms?Many studies have demonstrated that biochar-soil application enhances the soil microbial biomass with substantial changes in microbial community *** amendment changes microbial habitats,directly or indirectly affects microbial metabolic activities,and modifies the soil microbial community in terms of their diversity and ***,chemical properties of biochar,(especially pH and nutrient content),and physical properties such as pore size,pore volume,and specific surface area play significant roles in determining the efficacy of biochar on microbial performance as biochar provides suitable habitats for *** mode of action of biochar leading to stimulation of microbial activities is complex and is influenced by the nature of biochar as well as soil conditions.

关键词： Carbon cycling Microbial habitat Microorganisms Nutrient cycling Enzyme activity

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