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Literature overview of basic characteristics and flotation laws of flocs

International Journal of Minerals,Metallurgy and Materials 2024年第5期31卷 943-958页

作者： Wanzhong Yin Yu Xie Zhanglei Zhu School of Resources and Civil Engineering Northeastern UniversityShenyang 110819China College of Chemistry and Chemical Engineering Xi’an University of Science and TechnologyXi’an 710054China

Flocculation flotation is the most efficient method for recovering fine-grained minerals,and its essence lies in flotation and recovery of *** physical characteristics of flocs are mainly determined by their apparent particle size and structure(density and morphology).Substantial researches have been conducted regarding the effect of floc characteristics on particle settling and water ***,the influence of floc characteristics on flotation has not been widely *** on the floc formation and flocculation flotation,this study reviews the fundamental physical characteristics of flocs from the perspectives of floc particle size and structure,summarizing the interaction between floc particle size and ***,it thoroughly discusses the effect of floc particle size and structure on floc floatability,further revealing the influence of floc characteristics on bubble collision and adhesion and elucidating the mechanisms of interaction between flocs and ***,it is observed that floc particle size is not the only factor influencing flocculation *** the appropriate apparent particle size range,flocs with a compact structure exhibit higher efficiency in bubble collision and adhesion during flotation,thereby resulting in enhanced flotation *** study aims to provide a reference for flocculation flotation,targeting the development of more efficient and refined flocculation flotation processes in the future.

关键词： flocs basic characteristics particle size and structure flotation laws bubbles

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Spatiotemporal distribution of size-fractioned phytoplankton in the Yalu River Estuary,China

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Ecosystem Health and Sustainability 2022年第1期8卷 264-278页

作者： Yin Liu Lun Song GuangJun Song JinHao Wu Kun Wang ZaoHui Wang SuXuan Liu College of Fisheries and Life Science Dalian Ocean UniversityDalianChina Key Laboratory of Marine Biological Resources and Ecology Liaoning Ocean and Fisheries Science Research InstituteDalianChina College of Marine Sciences and Technology and Environment Dalian Ocean UniversityDalianChina

The grain size structure of phytoplankton has great influence on shellfish *** present study aimed to assess the spatial and temporal variation in the phytoplankton community structure in the Yalu River Estuary and to explore the relationship between the phytoplankton community structure and various environmental parameters in ***-throughput sequencing was used in this *** results showed that nanophytoplankton,especially Karlodinium veneficum,dominated the estuary throughout the *** biomass ratio of picophytoplankton,nanophytoplankton,and microphytoplankton were 20:63:17 in spring,30:44:26 in summer,1:38:61 in autumn,and 2:45:53 in winter,***,Dinophyta had the greatest biomass throughout the year,followed by *** the spatial dimension(Station average),COD,T,SST had a positive impact on total phytoplankton communities,and Dep had a negative *** the time dimension(Monthly average),the environmental factor that significantly controlled the phytoplankton community structure were NO2 and SST.

关键词： Eukaryotic phytoplankton high-throughput sequencing particle size and structure environmental factors Yalu River Estuary

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