{"title":"Efficient Removal of Uranium (VI) by One-Step Synthetic Environmentally Friendly Hydroxyapatite Modified Attapulgite Composite Material: Adsorption Properties and Mechanism Studies","authors":"Longxiang Li, Zhongkui Zhou, Guanghui Wang, Yadan Guo, Yishuo Zhang, Yan Xin, ZhenZhen Wei","doi":"10.1007/s11270-024-07651-y","DOIUrl":null,"url":null,"abstract":"<div><p>A one-step hydrothermal method was successfully employed to synthesize hydroxyapatite modified attapulgite composite material (HAP/ATP), which was characterized to determine physicochemical properties. Furthermore, the performance and mechanism of uranium removal by HAP/ATP were extensively investigated. Results indicated that HAP/ATP reached adsorption equilibrium for uranium at around 20 min with a maximum adsorption capacity of 387.27 mg·g<sup>−1</sup>. Modern characterization techniques identified ion exchange, complexation, dissolution–precipitation, and electrostatic adsorption as the primary mechanisms for uranium removal by HAP/ATP. ATP, a type of clay mineral, possesses a large specific surface area and natural pores. When utilized as a carrier, ATP reduced agglomeration of load materials. HAP can introduce more adsorption functional groups for attapulgite, this is a synergy, exerting the complementarity of materials. HAP/ATP demonstrates promising potential as an environmentally friendly adsorbent material for the treatment of radioactive uranium-containing wastewater.</p></div>","PeriodicalId":808,"journal":{"name":"Water, Air, & Soil Pollution","volume":"236 1","pages":""},"PeriodicalIF":3.8000,"publicationDate":"2024-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Water, Air, & Soil Pollution","FirstCategoryId":"6","ListUrlMain":"https://link.springer.com/article/10.1007/s11270-024-07651-y","RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENVIRONMENTAL SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
A one-step hydrothermal method was successfully employed to synthesize hydroxyapatite modified attapulgite composite material (HAP/ATP), which was characterized to determine physicochemical properties. Furthermore, the performance and mechanism of uranium removal by HAP/ATP were extensively investigated. Results indicated that HAP/ATP reached adsorption equilibrium for uranium at around 20 min with a maximum adsorption capacity of 387.27 mg·g−1. Modern characterization techniques identified ion exchange, complexation, dissolution–precipitation, and electrostatic adsorption as the primary mechanisms for uranium removal by HAP/ATP. ATP, a type of clay mineral, possesses a large specific surface area and natural pores. When utilized as a carrier, ATP reduced agglomeration of load materials. HAP can introduce more adsorption functional groups for attapulgite, this is a synergy, exerting the complementarity of materials. HAP/ATP demonstrates promising potential as an environmentally friendly adsorbent material for the treatment of radioactive uranium-containing wastewater.
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Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments.
Articles should not be submitted that are of local interest only and do not advance international knowledge in environmental pollution and solutions to pollution. Articles that simply replicate known knowledge or techniques while researching a local pollution problem will normally be rejected without review. Submitted articles must have up-to-date references, employ the correct experimental replication and statistical analysis, where needed and contain a significant contribution to new knowledge. The publishing and editorial team sincerely appreciate your cooperation.
Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.
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