Environmental Chemistry Letters最新文献

Iron-modified biochar for enhanced removal of ciprofloxacin and amoxicillin in wastewater 铁改性生物炭用于提高废水中环丙沙星和阿莫西林的去除率

IF 15.7 2区环境科学与生态学

Environmental Chemistry Letters Pub Date : 2024-11-10 DOI: 10.1007/s10311-024-01792-6

Sumita, Yong Wang, Jianping Yu, Cong Li

{"title":"Iron-modified biochar for enhanced removal of ciprofloxacin and amoxicillin in wastewater","authors":"Sumita, Yong Wang, Jianping Yu, Cong Li","doi":"10.1007/s10311-024-01792-6","DOIUrl":"https://doi.org/10.1007/s10311-024-01792-6","url":null,"abstract":"Antibiotic contamination in wastewater is an urgent environmental and public health concern because conventional treatment methods are ineffective in completely removing these pollutants. Iron-modified biochar, synthesized from agricultural waste, is proposed as an efficient and sustainable media for removal of ciprofloxacin and amoxicillin from wastewater. Iron-modified biochar was synthesized using a simple pyrolysis process with corn and ferrous sulfate as feedstock. Adsorbents were characterized by fourier transform infrared spectroscopy, X-Ray diffraction, and scanning electron microscopy. Removal performance of antibiotics was evaluated under different conditions, including antibiotic dosage, concentration of hydrogen peroxide, pH, and amount of humic acid. The results demonstrated high removal efficiencies of 87% for ciprofloxacin and 83% for amoxicillin within 25 min. Mechanistic studies revealed the generation of hydroxyl radicals (•OH) and singlet oxygen (1O₂), and confirmed the activation of hydrogen peroxide in the system. These findings highlight the potential of iron-modified biochar as a sustainable and effective catalyst for antibiotic removal, offering a promising solution for reducing pharmaceutical contamination in wastewater.","PeriodicalId":541,"journal":{"name":"Environmental Chemistry Letters","volume":"417 1","pages":""},"PeriodicalIF":15.7,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142598235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hydrothermal liquefaction for producing liquid fuels and chemicals from biomass-derived platform compounds: a review 水热液化法利用生物质衍生平台化合物生产液体燃料和化学品：综述

IF 15.7 2区环境科学与生态学

Environmental Chemistry Letters Pub Date : 2024-11-10 DOI: 10.1007/s10311-024-01791-7

Bingbing Qiu, Xuedong Tao, Yanfang Wang, Donghui Zhang, Huaqiang Chu

引用次数: 0

Possible formation of long-lived photo-oxidants by photolysis of organic matter phenols in sunlit waters 日照水域中有机物酚类的光解可能形成长寿命光氧化物

IF 15.7 2区环境科学与生态学

Environmental Chemistry Letters Pub Date : 2024-11-05 DOI: 10.1007/s10311-024-01786-4

Marcello Brigante, Davide Vione

{"title":"Possible formation of long-lived photo-oxidants by photolysis of organic matter phenols in sunlit waters","authors":"Marcello Brigante, Davide Vione","doi":"10.1007/s10311-024-01786-4","DOIUrl":"https://doi.org/10.1007/s10311-024-01786-4","url":null,"abstract":"Photodegradation in sunlit waters is a major process of contaminant abatement, yet underlying chemical processes in the presence of dissolved organic matter are poorly known. Long-lived photo-oxidants are reactive species formed when the chromophoric dissolved organic matter absorbs sunlight, and they are involved in the degradation of contaminants. Previous works identified long-lived photo-oxidants with phenoxy radicals, which could be formed upon oxidation of natural phenols by the excited triplet states of chromophoric dissolved organic matter. Here, we generated reactive phenoxy radicals by direct ultraviolet-A photolysis of 2-nitrophenol and 4-nitrophenol. We measured the second-order rate constants for reaction of these phenoxy radicals with 2,4,6-trimethylphenol, a model electron-rich phenol. Results show rate constants of 9.39 × 108(M−1s−1) for the 2-nitrophenoxyl radical, and 1.56 × 108(M−1s−1) for the 4-nitrophenoxyl radical. These values are slightly lower than the typical rate constant of the reaction between 2,4,6-trimethylphenol and the excited triplet states of chromophoric dissolved organic matter, of 3 × 109(M−1s−1). This means that 2,4,6-trimethylphenol would not be degraded to comparable extents by the excited triplet states of chromophoric dissolved organic matter and by long-lived photo-oxidants, if long-lived photo-oxidants were generated solely by the triplet states of chromophoric dissolved organic matter. Overall, findings suggest the occurrence of new pathway involving the direct photolysis of organic matter phenols that generates long-lived photo-oxidants.","PeriodicalId":541,"journal":{"name":"Environmental Chemistry Letters","volume":"10 1","pages":""},"PeriodicalIF":15.7,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142580235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Microplastics alter crystal growth in coral skeleton structures 微塑料改变了珊瑚骨骼结构中的晶体生长

IF 15.7 2区环境科学与生态学

Environmental Chemistry Letters Pub Date : 2024-11-01 DOI: 10.1007/s10311-024-01790-8

Pei-Ying Lin, Shu-Ling Hsieh, De-Sing Ding, Chen-Tung Arthur Chen, David E. Beck, Shuchen Hsieh

{"title":"Microplastics alter crystal growth in coral skeleton structures","authors":"Pei-Ying Lin, Shu-Ling Hsieh, De-Sing Ding, Chen-Tung Arthur Chen, David E. Beck, Shuchen Hsieh","doi":"10.1007/s10311-024-01790-8","DOIUrl":"https://doi.org/10.1007/s10311-024-01790-8","url":null,"abstract":"Microplastics have emerged as a global environmental issue, inducing harmful effects on marine ecosystems and biodiversity. Their small size allows them to easily disperse across different ecosystems and enter the marine food chain, increasingly threatening coral ecosystems. This study hypothesizes that exposure to polyethylene microplastics alters the structure of coral skeletons. To test this, Briareum violacea corals were cultured under controlled conditions and exposed to polyethylene microplastics at concentrations of 0, 5, 10, 50, 100, and 300 mg/L for seven days. Skeletal structures were analyzed using X-ray diffraction, while inductively coupled plasma mass spectrometry was employed to assess changes in skeletal solubility and measure total calcium ion concentrations in seawater. The results revealed a transformation of coral skeletons from aragonite calcium carbonate crystals to amorphous calcium carbonate, as observed through X-ray diffraction analysis, with polyethylene microplastics causing this transformation to begin at a concentration of 10 mg/L. Additionally, skeletal solubility increased by 7.4-fold, as inferred from calcium ion concentrations measured by inductively coupled plasma mass spectrometry. Here we demonstrate that polyethylene microplastic exposure directly drives the degradation of coral skeletons, emphasizing the urgency of mitigating plastic pollution to safeguard coral ecosystems.","PeriodicalId":541,"journal":{"name":"Environmental Chemistry Letters","volume":"128 1","pages":""},"PeriodicalIF":15.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142561972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Anaerobic digestion of agricultural waste for biogas production and sustainable bioenergy recovery: a review 厌氧消化农业废弃物以生产沼气和实现可持续生物能源回收：综述

IF 15 2区环境科学与生态学

Environmental Chemistry Letters Pub Date : 2024-10-26 DOI: 10.1007/s10311-024-01789-1

Ahmed Alengebawy, Yi Ran, Ahmed I. Osman, Keda Jin, Mohamed Samer, Ping Ai

{"title":"Anaerobic digestion of agricultural waste for biogas production and sustainable bioenergy recovery: a review","authors":"Ahmed Alengebawy, Yi Ran, Ahmed I. Osman, Keda Jin, Mohamed Samer, Ping Ai","doi":"10.1007/s10311-024-01789-1","DOIUrl":"10.1007/s10311-024-01789-1","url":null,"abstract":"<div>Anaerobic digestion constitutes a sustainable method for waste management and renewable energy generation, addressing significant environmental and societal challenges. The growing global waste crisis and the increasing momentum toward sustainable energy solutions emphasize the critical need to enhance anaerobic digestion technology for improved efficiency and environmental advantages. This process mitigates waste accumulation, enhances energy security, and reduces greenhouse gas emissions, providing a feasible solution within the framework of a circular bioeconomy. Here, we review the principles of anaerobic digestion and biogas production, focusing on agricultural waste and the utilization of biogas for energy within a sustainable framework. We specifically explore biogas applications in rural and industrial settings, assess the environmental impacts, and discuss the regulatory landscape with insights from China and Europe. This study reveals that the strategic implementation of anaerobic digestion can markedly improve energy yield and sustainability, demonstrating how focused policies and advanced technological practices can optimize biogas utilization. The review enhances comprehension of environmental impacts, emphasizing insights from China and Europe as key examples.</div>","PeriodicalId":541,"journal":{"name":"Environmental Chemistry Letters","volume":"22 6","pages":"2641 - 2668"},"PeriodicalIF":15.0,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10311-024-01789-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142490437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

4-Nonylphenol adsorption, environmental impact and remediation: a review 4-壬基酚吸附、环境影响和补救：综述

IF 15.7 2区环境科学与生态学

Environmental Chemistry Letters Pub Date : 2024-10-15 DOI: 10.1007/s10311-024-01788-2

Ronaldo Antunes Funari Junior, Lucas Mironuk Frescura, Bryan Brummelhaus de Menezes, Marcelo Barcellos da Rosa

引用次数: 0

Phototransformation and toxicity enhancement of silver chloride nanoparticles by polystyrene microplastics under sunlit 聚苯乙烯微塑料在阳光照射下对氯化银纳米颗粒的光转化和毒性增强作用

IF 15.7 2区环境科学与生态学

Environmental Chemistry Letters Pub Date : 2024-10-10 DOI: 10.1007/s10311-024-01783-7

Yonghao Sun, Jiaolong Huang, Zhen Wang, Peng Duan, Weicheng Zhang

{"title":"Phototransformation and toxicity enhancement of silver chloride nanoparticles by polystyrene microplastics under sunlit","authors":"Yonghao Sun, Jiaolong Huang, Zhen Wang, Peng Duan, Weicheng Zhang","doi":"10.1007/s10311-024-01783-7","DOIUrl":"https://doi.org/10.1007/s10311-024-01783-7","url":null,"abstract":"Silver chloride nanoparticles and microplastics are polluting in surface waters, yet their interactions, associated toxicity and environmental risks are poorly known. Here we hypothesized that polystyrene microplastics could enhance the phototransformation of silver chloride nanoparticles and modify their toxicity. We conducted phototransformation of silver chloride nanoparticles with polystyrene microplastics under light irradiation. The photo-dissolution of silver chloride nanoparticles and photo-reduction of silver ions were determined in both double-distilled-water and environmental waters. We found that polystyrene microplastics highly enhanced the phototransformation of silver chloride nanoparticles by hydroxyl radicals, singlet oxygen, and triplet state microplastics, leading to the release of silver ions and chloride ions. Subsequently, the silver ions were reduced to silver nanoparticles by superoxide radicals. Consequently, the silver species transformation increased the toxicity of silver chloride nanoparticles even at environmental concentration, as evidenced by survival rate of zebrafish larvae reduced from 100% to 23.3%. This is the first study to show that polystyrene microplastics can enhance the phototransformation of silver chloride nanoparticles to silver nanoparticles, thereby increasing the environmental risks of silver chloride nanoparticles in environmental waters.","PeriodicalId":541,"journal":{"name":"Environmental Chemistry Letters","volume":"59 1","pages":""},"PeriodicalIF":15.7,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142397703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Remediation of tetracycline pollution using microplastics, green materials, membranes and sonocatalysts: a review 利用微塑料、绿色材料、膜和声波催化剂修复四环素污染：综述

IF 15 2区环境科学与生态学

Environmental Chemistry Letters Pub Date : 2024-10-09 DOI: 10.1007/s10311-024-01777-5

Jothivel Sivanesan, Baskaran Sivaprakash, Natarajan Rajamohan, Vedula Sairama Srinivasa Phanindra, Christian Sonne, Rock Keey Liew, Su Shiung Lam

引用次数: 0

Biogenic volatile organic compounds emissions, atmospheric chemistry, and environmental implications: a review 生物挥发性有机化合物排放、大气化学和环境影响：综述

IF 15 2区环境科学与生态学

Environmental Chemistry Letters Pub Date : 2024-10-04 DOI: 10.1007/s10311-024-01785-5

Luxi Wang, Xiaoxiu Lun, Qiang Wang, Ju Wu

引用次数: 0

Strategies and considerations to green analytical separations: a review 绿色分析分离的策略和考虑因素：综述

IF 15 2区环境科学与生态学

Environmental Chemistry Letters Pub Date : 2024-10-04 DOI: 10.1007/s10311-024-01784-6

Troy T. Handlovic, Daniel W. Armstrong

{"title":"Strategies and considerations to green analytical separations: a review","authors":"Troy T. Handlovic, Daniel W. Armstrong","doi":"10.1007/s10311-024-01784-6","DOIUrl":"10.1007/s10311-024-01784-6","url":null,"abstract":"<div>Although analytical methodologies are known to generate pollution, universal strategies to decrease their environmental, safety, and health burdens while maintaining performance are lacking. Separation science techniques including sample preparations and chromatography require large amounts of solvent and power to separate, identify, and quantitate pure constituents from their matrices. Recent advancements to green analytical chemistry have now provided comprehensive metrics, such as the analytical method greenness score (AMGS), that allow researchers to better understand their method’s environmental burden, compare it to other methods, and indicate what areas can be addressed to enhance sustainability. Here, we review approaches and technologies that can be used to green analytical separations with a focus on improving the method’s analytical figures of merit. Approaches to green sample preparation are first considered including microextraction techniques in liquid, solid, and supercritical phases and the ability to automate such techniques. We focus on high-performance liquid chromatography and sub- or super-critical fluid chromatography, where it is shown that changing the column dimensions and packing can reduce environmental impact while preserving chromatographic resolution. We review equations to calculate the greenest flow rate at which to operate a separation method, then we discuss of modern ultrafast and high throughput separations. Finally, we describe digital signal processing for analytical signals as a major green technology for the first time. We observed that, using digital signal processing, an ultrafast liquid chromatographic separation of 101 components in just one minute produced an AMGS of 0.12 which is, to our best knowledge, the lowest ever reported.</div>","PeriodicalId":541,"journal":{"name":"Environmental Chemistry Letters","volume":"22 6","pages":"2753 - 2775"},"PeriodicalIF":15.0,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142377263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0