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engineered biochar improves nitrogen use efficiency via stabilizing soil water-stable macroaggregates and enhancing nitrogen transformation

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biochar 2023年第1期5卷 891-927页

作者： Zaid Khan Xu-Jian Yang Youqiang Fu Stephen Joseph Mohammad Nauman Khan Muhammad Ayoub Khan Intikhab Alam Hong Shen College of Natural Resources and Environment South China Agricultural UniversityGuangzhou 510640China Rice Research Institute Guangdong Academy of Agricultural SciencesGuangzhou 510640China School of Material Science and Engineering University of New South WalesSydneyNSW 2052Australia Research Center for Physiology and Ecology and Green Cultivation of Tropical Crops College of Tropical CropsHainan UniversityHaikou 570228China School of Life Sciences Henan UniversityKaifeng 450046China College of Life Sciences South China Agricultural UniversityGuangzhou 510640China

The use of inorganic nitrogen(N)fertilizers has increased drastically to meet the food requirements of the world’s growing ***,the excessive use of chemical nitrogen fertilizer has caused a series of soil and environmental problems,such as soil hardening,lower nitrogen use efficiency(NUE),nitrate pollution of water sources,nitrous oxide emissions,*** this review,we aimed to elaborate and discuss the role of engineered biochar in inducing the stability of water-stable macroaggregates,improving inorganic N transformation,and utilization efficiency to address the current uncertainties of nitrogen loss and maintaining soil and water ***,we elucidated the characteristics of engineered biochar in improving biochar quality to work as a multifunctional player in the ecosystem and promote resource utilization,soil conservation,and ecosystem ***,we discussed how the engineered biochar modulates the stability of water-stable macroaggregates and soil inorganic nitrogen transformation to enhance plant response under various toxic or deficient nitrogen conditions in the ***,the role of engineered biochar in biological nitrogen fixation,mediating nirK,nirS,and nosZ genes to promote the conversion of N_(2)O to N_(2),and decreasing denitrification and N_(2)O emission was ***,we suggest that engineered biochar amendment to soil can regulate soil water-stable macroaggregates,reduce N input,improve nitrogen metabolism,and finally,NUE and crop *** the best of our knowledge,this is the first time to evaluate the combined interactions of"engineered biochar×soil×NUE×crop growth,"providing advantages over the increasing N and water utilization and crop productivity separately with the aim of enhancing the stability of water-stable macroaggregates and NUE together on a sustainable basis.

关键词： Nitrogen engineered biochar Macroaggregates Multifunctional player Nitrogen use efficiency

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Effect of corn pre-puffing on the efficiency of MgO-engineered biochar for phosphorus recovery from livestock wastewater:mechanistic investigations and cost benefit analyses

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biochar 2023年第1期5卷 462-478页

作者： Yaru Peng Yuan Luo Yimeng Li Muhammad Azeem Ronghua Li Chuchu Feng Guangzhou Qu Esmat F.Ali Mohamed A.Hamouda Peter S.Hooda Jörg Rinklebe Ken Smith Zengqiang Zhang Sabry M.Shaheen College of Natural Resources and Environment Northwest A&F UniversityYangling 712100Shaanxi ProvinceChina Key Laboratory of Urban Environment and Health Ningbo Observation and Research StationInstitute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China Institute of Soil and Environmental Sciences Pir Mehr Ali Shah Arid Agriculture University RawalpindiRawalpindi 46300PunjabPakistan Department of Biology College of ScienceTaif UniversityP.O.Box 11099Taif 21944Saudi Arabia Department of Civil and Environmental Engineering Faculty of EngineeringUnited Arab Emirates UniversityAl AinAbu DhabiUnited Arab Emirates School of Engineering and the Environments Kingston University LondonKingston University LondonKingston Upon Thames KT12EELondonUK University of Wuppertal School of Architecture and Civil EngineeringLaboratory of Soil and Groundwater ManagementInstitute of Foundation EngineeringWater-and Waste-ManagementPauluskirchstraße 742285 WuppertalGermany The Department of Environmental Science The University of ArizonaShantz Building Rm 4291177 E 4Th St.TucsonTucsonArizona 85721USA Department of Arid Land Agriculture Faculty of MeteorologyEnvironmentand Arid Land AgricultureKing Abdulaziz UniversityJeddah 21589Saudi Arabia Department of Soil and Water Sciences Faculty of AgricultureUniversity of KafrelsheikhKafr El-Sheikh 33516Egypt

To improve the phosphorus(P)recovery efficiency from livestock wastewater,a novel MgO doped mildewed corn biochar with thermal pre-puffing treatment(Mg-PBC)and without pre-puffing(Mg-BC)was synthesized and *** thermal-puffing pretreatment improved the effectiveness of metal soaking and MgO dispersion.P recovery time with Mg-PBC(7 h)was significantly shorter than that with Mg-BC(12 h).Moreover,Mg-PBC showed significantly higher P recovery capacity(241 mg g^(−1))than Mg-BC(96.6 mg g^(−1)).P recovery capacity of the Mg-PBC fitted to the Thomas model was 90.7 mg g^(−1),which was 4 times higher than that of Mg-BC(22.9 mg g^(−1))under column test *** mechanisms involved in P recovery included precipitation,surface complexation,and electrostatic *** adsorption,both Mg-BC and Mg-PBC showed relatively low regeneration *** P loaded Mg-BC(Mg-BC-P)and Mg-PBC(Mg-PBC-P),the later particularly,obviously increased the available P content and promoted plant *** release of P increased with time in the Mg-PBC-P treated soil,while it decreased with time in the P fertilizer treated soil.A cost-benefit analysis revealed that thermal-puffing pretreatment greatly increased the profit of MgO doped biochar from−0.66 to 5.90 US$kg^(−1).These findings highlight that biomass pre-puffing is a feasible treatment to produce MgO modified biochar and to recover P from livestock wastewater,and that the Mg-PBC-P can be used as a slow-release P fertilizer.

关键词： engineered biochar Biomass pre-puffing Nutrient recovery Wastewater engineering Cost-benefit analysis

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Silicate minerals control the potential uses of phosphorus-laden mineral-engineered biochar as phosphorus fertilizers

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biochar 2022年第1期4卷 1144-1160页

作者： Natcha Sornhiran Surachet Aramrak Nattaporn Prakongkep Worachart Wisawapipat Department of Soil Science Faculty of AgricultureKasetsart UniversityBangkok 10900Thailand Land Development Department Office of Science for Land DevelopmentBangkok 10900Thailand Research Network of NANOTEC-KU on NanoCatalysts and NanoMaterials for Sustainable Energy and Environment Kasetsart UniversityBangkok 10900Thailand

Silicate minerals constitute the main components in silicon(Si)-rich biomass,affecting the phosphorus(P)adsorption and release competencies of mineral-engineered biochar;however,the mechanisms underlying their differences remain largely *** examine these interactions,we investigated the mineralogical compositions and quantified the P-adsorption capacities of Al-,Fe-,Mn-,Zn-,and Mg-engineered biochars from Si-rich rice husk *** potential uses of P-laden mineral-engineered biochar for P fertilizers were assessed using citric acid *** results from X-ray diffraction,scanning electron microscopy,and Fourier transform infrared spectrometry revealed that mixed metal(oxyhydr)oxides and metal-silicate compounds precipitated in the biochar structure and acted as the main P ***-crystalline silicates derived from the biomass-induced metal-silicate precipitates in all engineered biochars,which effectively retained the aqueous P with varying excellent capacities(25.6-46.5 mg/g)but relatively slow kinetics(48 h).The suitability of the Zn-,Mg-,Mn-,and Fe-biochars as P-recycled fertilizers was confirmed by the high amounts of citric acid extractable P(19-69%of the total P).Varying amounts of Zn,Mg,and Mn(34-47%of the total host metals)were also released from the engineered biochar through ligand-promoted *** data shed light on the novel potential utilization of Mn-,Mg-and Zn-biochars from Si-rich biomass for P retrieval and their use for P,Mg,and micronutrient(Mn and Zn)*** the P removal capacity,the mineral-engineered biochar needed a longer adsorption period than conventional metal-engineered biochar.

关键词： engineered biochar Rice husk Silicon Waste management Waste treatment

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biochar as construction materials for achieving carbon neutrality

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biochar 2022年第1期4卷 194-218页

作者： Yuying Zhang Mingjing He Lei Wang Jianhua Yan Bin Ma Xiaohong Zhu Yong Sik Ok Viktor Mechtcherine Daniel C.W.Tsang Department of Civil and Environmental Engineering The Hong Kong Polytechnic UniversityHung HomKowloonHong KongChina State Key Laboratory of Clean Energy Utilization Zhejiang UniversityHangzhou 310027China Laboratory for Waste Management Nuclear Energy and SafetyPaul Scherrer Institute5232 VilligenSwitzerland School of Civil Engineering University of LeedsWest YorkshireLeedsUK Korea biochar Research Center APRU Sustainable Waste Management Program&Division of Environmental Science and Ecological EngineeringKorea UniversitySeoulKorea Institute of Construction Materials Technische Universität Dresden01062 DresdenGermany Research Centre for Resources Engineering towards Carbon Neutrality The Hong Kong Polytechnic UniversityHung HomKowloonHong KongChina

biochar is a waste-derived material that can sequester carbon at a large *** development of low-carbon and sustainable biochar-enhanced construction materials has attracted extensive ***,having a porous nature and highly functionalised surface,can provide nucleation sites for chemical reactions and exhibit compatibility with cement,asphalt,and polymer *** study critically reviewed the state-of-the-art biochar-enhanced construction materials,including biochar-cement composites,biochar-asphalt composites,biochar-plastic composites,*** efficacies and mechanisms of biochar as construction materials were articulated to improve their functional *** critical review highlighted the roles of biochar in cement hydration,surface functional groups of engineered biochar for promoting chemical reactions,and value-added merits of biochar-enhanced construction materials(such as humidity regulation,thermal insulation,noise reduction,air/water purification,electromagnetic shielding,and self-sensing).The major properties of biochar are correlated to the features and functionalities of biochar-enhanced construction *** advances in our understanding of biochar’s roles in various composites can foster the next-generation design of carbon-neutral construction materials.

关键词： engineered biochar Biomass waste management Carbon-negative materials Carbon neutrality Supplementary cementitious materials Sustainable construction

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Arsenic removal from water and soils using pristine and modified biochars

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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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Removal of toxic elements from aqueous environments using nano zero-valent iron-and iron oxide-modified biochar:a review

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biochar 2022年第1期4卷 779-799页

作者： Sabry M.Shaheen Ahmed Mosa Natasha Hamada Abdelrahman Nabeel Khan Niazi Vasileios Antoniadis Muhammad Shahid Hocheol Song Eilhann E.Kwon Jörg Rinklebe Laboratory of Soil-and Groundwater-Management Institute of Foundation EngineeringWater-and Waste-ManagementSchool of Architecture and Civil EngineeringUniversity of WuppertalPauluskirchstraße 742285 WuppertalGermany Department of Arid Land Agriculture Faculty of MeteorologyEnvironmentand Arid Land AgricultureKing Abdulaziz UniversityJeddah 21589Saudi Arabia Department of Soil and Water Sciences Faculty of AgricultureUniversity of KafrelsheikhKafr El-Sheikh 33516Egypt Soils Department Faculty of AgricultureMansoura UniversityMansoura 35516Egypt Department of Environmental Sciences COMSATS University IslamabadVehari CampusVehari 61100Pakistan Soil Science Dept. Faculty of AgricultureCairo UniversityGiza 12613Egypt Institute of Soil and Environmental Sciences University of Agriculture FaisalabadFaisalabad 38040Pakistan Department of Agriculture Crop Production and Rural Environment University of ThessalyFytokou Street38446VolosGreece Department of Environment Energy and GeoinformaticsUniversity of SejongGuangjin-GuSeoul 05006Republic of Korea Department of Earth Resources and Environmental Engineering Hanyang UniversitySeoul 04763Republic of Korea

biochar(BC)has gained attention for removal of toxic elements(TEs)from aqueous media;however,pristine biochar often exhibits low adsorption ***,various modification strategies in BC have been developed to improve its removal capability against *** zero-valent iron(nZVI)and iron oxides(FeOx)have been used as sorbents for TE ***,these materials are prone to agglomeration and also expensive,which make their usage limited for large-scale *** nZVI technical demerits could be resolved by the development of BC-based composite sorbents through the loading of nZVI or FeOx onto BC *** zero-valent iron modified BC(nZVIBC),FeOx-modified BC(FeOxBC)have attracted attention for their capability in removing pollutants from the aqueous ***,a potential use of nZVIBC and FeOxBC for TE removal from aqueous environments has not been well-realized or *** such,this article reviews:(i)the preparation and characterization of nZVIBC and FeOxBC;(ii)the capacity of nZVIBC and FeOxBC for TE retention in line with their physicochemical properties,and(iii)TE removal mechanisms by nZVIBC and *** nZVI and FeOx in BC increases its sporptive capability of TEs due to surface modifications in morphology,functional groups,and elemental *** combined effects of BC and nZVI,FeOx or Fe salts on the sorption of TEs are complex because they are very specific to *** review identified significant opportunities for research and technol-ogy advancement of nZVIBC and FeOxBC as novel and effective sorbents for the remediation of TEs contaminated water.

关键词： Feedstock engineered biochar Toxic metal(loid)s Biosorption Wastewater remediation

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Facile one-step synthesis of graphitic carbon nitride-modified biochar for the removal of reactive red 120 through adsorption and photocatalytic degradation

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biochar 2019年第1期1卷 89-96页

作者： Yulin Zheng Yichen Yang Yue Zhang Weixin Zou Yidan Luo Lin Dong Bin Gao Department of Agricultural and Biological Engineering University of FloridaGainesvilleFL 32611USA School of the Environment Nanjing UniversityNanjing 210093People’s Republic of China Jiangsu Key Laboratory of Vehicle Emissions Control Center of Modern AnalysisNanjing UniversityNanjing 210093People’s Republic of China

Converting waste biomass into value-added biochar has been considered as a green and sustainable strategy for resource management and pollution *** this study,graphitic carbon nitride(g-C_(3)N_(4))modified biochars(BCs)were produced through one-pot pyrolysis of urea and hickory chips in differential ratios at 520℃.The resulting BC/g-C_(3)N_(4)composites were evaluated in laboratory for their physicochemical,adsorptive,and photocatalytic *** characterization tests showed the successful synthesis of the BC/g-C_(3)N_(4)composites that introduced g-C_(3)N_(4)structure,N-containing surface func-tional groups,reduced surface area,and better thermal stability to the *** modification,the BC/g-C_(3)N_(4)composites showed better adsorption ability to reactive red 120(RR120)than the pristine BC,due to the strong electrostatic attrition between N-containing functional groups of g-C_(3)N_(4)on biochar surface and anionic *** BC/g-C_(3)N_(4)composites also inherited g-C_(3)N_(4)’s photocatalytic activity,which is visible light responsive to generate free radicals for RR120 *** addition,the composites with higher urea modification ratios were more effective in the degradation of ***,this study demonstrates the feasibility and promising potential of combining biochar and photocatalyst for the removal of aqueous *** of the synergistic adsorption and photodegradation ability,BC/g-C_(3)N_(4)composites present a novel and cost-effective solution for the removal of aqueous dye and other photodegradable contaminants under natural conditions.

关键词： engineered biochar biochar-based nanocomposites Synergistic adsorption and photocatalytic degradation Organic pollutants

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