Environmental Quality Management最新文献_第8页

Assessment of Microplastic Pollution Across the Malabar Coast, India 印度马拉巴尔海岸微塑料污染评估

IF 1.5

Environmental Quality Management Pub Date : 2024-06-25 DOI: 10.1002/tqem.22273

Reeha Mashirin, Kumari Chidambaran Chitra

{"title":"Assessment of Microplastic Pollution Across the Malabar Coast, India","authors":"Reeha Mashirin, Kumari Chidambaran Chitra","doi":"10.1002/tqem.22273","DOIUrl":"https://doi.org/10.1002/tqem.22273","url":null,"abstract":"<div>\u0000 \u0000 Recent scientific investigations have highlighted concerning levels of microplastic contamination in marine ecosystems, posing significant risks to marine organisms and human populations. This study aimed to assess the prevalence of microplastics in water, sediment, and tissues of commercially important fish species along the Malabar coast in Northwest Kerala, India. Using Fourier transform infrared spectroscopy (FTIR), six predominant polymer types were identified, including HDPE, PET, and nylon. The investigation revealed notable abundances of transparent microplastic particles, measuring <1 mm in diameter, particularly in gastrointestinal and gill tissues, with gastrointestinal tissues exhibiting the highest concentration of microplastics. A diverse array of morphotypes, including fragments (48.08%), fibers (28.84%), filaments (19.23%), and granules (3.85%), were observed within the coastal zone. The study implicates various sources of contamination, such as direct discharges, runoff, and inadequate wastewater management practices, contributing to the substantial presence of microplastics in coastal environments. In light of these findings, the study emphasizes the urgent need for the implementation of effective regulatory measures to mitigate plastic pollution in marine ecosystems. These results underscore the critical importance of proactive intervention to safeguard the health of marine ecosystems and human populations in coastal regions.\u0000 </div>","PeriodicalId":35327,"journal":{"name":"Environmental Quality Management","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141488801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced Disinfection Efficiency Using Cu Vortex Diode for Providing Safe Drinking Water: Devising Newer Methodologies 利用铜涡流二极管提高消毒效率，提供安全饮用水：设计更新的方法

IF 1.5

Environmental Quality Management Pub Date : 2024-06-25 DOI: 10.1002/tqem.22279

Divya Dixit, Kshama Balapure, Vinay M. Bhandari

{"title":"Enhanced Disinfection Efficiency Using Cu Vortex Diode for Providing Safe Drinking Water: Devising Newer Methodologies","authors":"Divya Dixit, Kshama Balapure, Vinay M. Bhandari","doi":"10.1002/tqem.22279","DOIUrl":"https://doi.org/10.1002/tqem.22279","url":null,"abstract":"<div>\u0000 \u0000 The present research aims to refine the hydrodynamic cavitation technique with traditional knowledgebase of Ayurveda for more efficient water disinfection and that has huge potential for implementation in real life, especially for substituting the existing chlorination method for drinking water treatment. The study incorporates use of newer copper reactor configuration, employing vortex flow for generating cavitation for the disinfection of water. Elimination of model contaminant, Escherichia coli, with initial concentration of ∼105 CFU/mL of bacteria was used for the disinfection study. Copper vortex diode with a capacity of 1 m3/h was employed as a cavitating device. The cavitation using copper vortex diode gave significantly higher disinfection, over 30%, compared that with conventional vortex diode, with aluminum as material of construction, under similar conditions. Remarkably, the addition of 0.1% betel leaf oil led to an extraordinary 260-fold increase in the rate of disinfection, requiring only a single pass to achieve complete bacteria elimination. Furthermore, a notably high synergistic index of 246.96 was achieved for the process intensification approach using the Cu vortex diode. The cost was substantially reduced by approximately three times to 0.011 $/m3 using the Cu vortex diode compared to the conventional vortex diode. The developed strategy offers significantly enhanced performance, as well as a techno-economical and sustainable solution for drinking water treatment to ensure the provision of safe drinking water. Moreover, the newer methodology can have the advantage of producing no harmful carcinogenic disinfection by-products compared to chemical disinfection processes apart from sustainable alternative to chlorination.\u0000 </div>","PeriodicalId":35327,"journal":{"name":"Environmental Quality Management","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141488804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Real-Time Air Quality Index Detection through Regression-Based Convolutional Neural Network Model on Captured Images 通过基于回归的卷积神经网络模型在捕获图像上实时检测空气质量指数

IF 1.5

Environmental Quality Management Pub Date : 2024-06-25 DOI: 10.1002/tqem.22276

Pritisha Sarkar, Duranta Durbaar Vishal Saha, Mousumi Saha

{"title":"Real-Time Air Quality Index Detection through Regression-Based Convolutional Neural Network Model on Captured Images","authors":"Pritisha Sarkar, Duranta Durbaar Vishal Saha, Mousumi Saha","doi":"10.1002/tqem.22276","DOIUrl":"https://doi.org/10.1002/tqem.22276","url":null,"abstract":"<div>\u0000 \u0000 Our research addresses the imperative need for an efficient air quality monitoring and forecasting system to mitigate the significant health risks of air pollution. Departing from conventional binary data collection methods, we employ image-based techniques to overcome inherent limitations. A pioneering aspect of our work involves the development of a novel model capable of predicting six air pollutants (PM2.5, PM10, O3, CO, SO2, NO2) along with Air Quality Index for Bengaluru, Delhi, and Tamil Nadu, achieving a commendable mean absolute error of 0.1432 on the test set. The efficacy of our approach is validated through a meticulously curated dataset comprising approximately 5455 images. We emphasize the significance of normalization by presenting outputs before and after, shedding light on the impact of parameters with varying ranges and strategies employed to mitigate such discrepancies. A detailed analysis of our model's best and worst outputs provides valuable insights into its strengths and limitations. To enhance user accessibility, we introduce an innovative image-based, real-time, user-friendly dashboard that allows users to conveniently assess a location's air pollution levels by uploading an image. This holistic approach offers a promising avenue for accurate air quality prediction and real-time monitoring.\u0000 </div>","PeriodicalId":35327,"journal":{"name":"Environmental Quality Management","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141488797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Acid Treatment on Bentonite Clay for the Removal of Fast Green FCF Dye from Aqueous Solution 在膨润土上进行酸处理以去除水溶液中的速绿 FCF 染料

IF 1.5

Environmental Quality Management Pub Date : 2024-06-25 DOI: 10.1002/tqem.22274

Panchali Bharali

{"title":"Acid Treatment on Bentonite Clay for the Removal of Fast Green FCF Dye from Aqueous Solution","authors":"Panchali Bharali","doi":"10.1002/tqem.22274","DOIUrl":"https://doi.org/10.1002/tqem.22274","url":null,"abstract":"<div>\u0000 \u0000 The bentonite clay has been activated by acid treatment and utilized as a lower-cost and eco-friendly adsorbent required to remove Fast Green FCF dye from the aqueous solution. At first acid activated bentonite clay minerals were analyzed by various analytical techniques like Fourier Transform Infrared Spectroscopy (FTIR), x-ray diffraction (XRD), and x-ray fluorescence (XRF) analysis. The batch adsorption research was performed to investigate the Fast Green FCF dye adsorption onto the acid-treated (Bent) bentonite clay. Sorption studies investigated the impacts of adsorbent dosage, initial pH, and time of contact on Fast Green FCF color elimination. The adsorption capacity decreased as the pH was above 7 and then remained almost the same after a pH value of 9. At acidic conditions (below pH value 7), the capacity of adsorption diminished by a decrease in the pH of the solution. The results indicated that the maximum capacity of adsorption has been obtained at an adsorbent dosage of 0.1 g. As the dosage of the adsorbent was improved, several active sites that were available at the time of the dye adsorption increased. As a result, the dye percentage that was removed from the clay increased. Besides these, adsorption kinetics, adsorption equilibrium isotherm, and thermodynamics studies have been also conducted. While studying the adsorption kinetics pseudo-2nd-order kinetics has been seen to be more appropriate as compared to pseudo-1st-order model. The experimental findings indicated that the attachment of the dye to the clay surface followed the “Langmuir adsorption” isotherm rather than the Freundlich adsorption isotherm with a monolayer coverage of 18.93 mg/g. From the thermodynamics study, it was revealed that the process of adsorption takes place instantly at high temperatures.\u0000 </div>","PeriodicalId":35327,"journal":{"name":"Environmental Quality Management","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141488802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Quantification of phenol degradation using hydrodynamic cavitation-based packed bed reactor based on glass balls 利用基于玻璃球的流体动力空化填料床反应器定量降解苯酚

IF 1.5

Environmental Quality Management Pub Date : 2024-06-23 DOI: 10.1002/tqem.22268

Ashish V. Mohod, Danilo B. Clemente, Natalia Klanovicz, Paulo F. Moreira, Manisha V. Bagal, Antonio Carlos S. C. Teixeira, Reinaldo Giudici

{"title":"Quantification of phenol degradation using hydrodynamic cavitation-based packed bed reactor based on glass balls","authors":"Ashish V. Mohod, Danilo B. Clemente, Natalia Klanovicz, Paulo F. Moreira, Manisha V. Bagal, Antonio Carlos S. C. Teixeira, Reinaldo Giudici","doi":"10.1002/tqem.22268","DOIUrl":"https://doi.org/10.1002/tqem.22268","url":null,"abstract":"The current study presents a novel and effective cavitation technique for the degradation of phenol using a hydrodynamic cavitation-based packed bed reactor (HCPBR). Several operational parameters, including fluid velocity, hydrogen peroxide (H2O2) generation (18.06 μM of H2O2 in 60 min), and initial phenol concentration, have been studied using a HCPBR. The effective parameters for phenol degradation were found to be a fluid velocity of 85.15 m/s and an initial phenol concentration of 20 ppm. It was also noted that the presence of a glass marble-bed (15.35%) in the cavitation reactor exhibits a substantial effect on the degradation of phenol compared to the absence of a glass marble-bed (2.91%). The investigation also examined the effect of combining hydrodynamic cavitation with chemical oxidation processes, specifically H2O2, persulfate (Na2S2O8 and K2S2O8), and titanium dioxide, on the extent of phenol degradation. Persulfate was shown to have a significant effect on phenol degradation at 1 g/L. To clarify if free radical attack is the driving force behind degradation, the impact of radical scavengers such as n-butanol has also been examined. Toxicological assessments revealed that, for lentil meristematic cells, the therapy was quite cytotoxic, but it needs to be improved to eliminate its genotoxic side effects. Overall, the experiment clearly demonstrated the effectiveness of the HCPBR for phenol degradation.","PeriodicalId":35327,"journal":{"name":"Environmental Quality Management","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141488617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Heavy metal accumulation of aquatic grasses from mine tailing's wastewater drainage spillway of BCL Cu-Ni mine in Selebi Phikwe, Botswana 博茨瓦纳 Selebi Phikwe 的 BCL 铜镍矿尾矿废水排放溢流口的水草重金属累积情况

IF 1.5

Environmental Quality Management Pub Date : 2024-06-05 DOI: 10.1002/tqem.22271

Gorata Ishmael, Venecio U. Ultra, Gaolathe Rantong, Ofentse A. Keitshweditse, Katlarelo L. Sefatlhi

{"title":"Heavy metal accumulation of aquatic grasses from mine tailing's wastewater drainage spillway of BCL Cu-Ni mine in Selebi Phikwe, Botswana","authors":"Gorata Ishmael, Venecio U. Ultra, Gaolathe Rantong, Ofentse A. Keitshweditse, Katlarelo L. Sefatlhi","doi":"10.1002/tqem.22271","DOIUrl":"10.1002/tqem.22271","url":null,"abstract":"Mining activities introduce countless contaminants into the environment, including toxic levels of heavy metals that accumulate in soil and water, requiring environmental management to prevent detrimental effects. One strategy is to use plants because of their natural ability to adsorb and accumulate different contaminants in their tissues. To develop a rhizofiltration technique for mine wastewater in Botswana, there is a need to identify suitable aquatic plant species which can remove heavy metals from acid mine drainage and associated sediments. Plant species growing in the vicinity of acid mine drainage at the BCL mine were sampled and analyzed for heavy metal concentration in the various plant tissues.The plants analyzed were: Cyperus papyrus; Phragmites australis; Schoenoplectus tabernaemontani; and Baumea rubiginosa. These plants all accumulated above-average concentrations of Co, Cr, Cu, Ni, and Zn in their tissues, especially Cr, Cu, and Ni. C. papyrus accumulates more Cr (up to 6080.86 mg kg−1in shoots and 5047.15 mg kg−1 in roots), Cu (up to 2166.43 mg kg−1 in roots and 1231.12 mg kg−1 in shoots), and Ni (up to 949.97 mg kg−1 in roots and 1163.42 mg kg−1 in shoots). P. australis accumulates more Cu in roots (up to 7416.87 mg kg−1) than in shoots (221.71 mg kg−1). S. tabernaemontani accumulates more Ni than Cu and Cr which it mostly retains in the roots (1015.88 mg kg−1). B. rubiginosa accumulates more Cu than Ni with a concentration up to 927.36 mg kg−1 in shoots and 401.70 mg kg−1 in roots (BAF 35.53; TF 0.90). Among these plants' species, C. papyrus had the ability for multi-metal accumulation, retaining Cr, Cu, and Ni.","PeriodicalId":35327,"journal":{"name":"Environmental Quality Management","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141382888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Combatting microbial biofouling network associated with Chembarambakkam Lake water using Acalypha indica derived metabolites 利用 Acalypha indica 衍生代谢物对抗与钦巴兰巴卡姆湖水有关的微生物生物污损网络

IF 1.5

Environmental Quality Management Pub Date : 2024-06-04 DOI: 10.1002/tqem.22270

Francis A. L, S. Karthick Raja Namasivayam

{"title":"Combatting microbial biofouling network associated with Chembarambakkam Lake water using Acalypha indica derived metabolites","authors":"Francis A. L, S. Karthick Raja Namasivayam","doi":"10.1002/tqem.22270","DOIUrl":"10.1002/tqem.22270","url":null,"abstract":"This study assessed the anti-biofouling potential of Acalypha indica ethanolic extract against biofouling communities associated with Chembarambakkam Lake water under in vitro conditions. Water samples from the lake were collected at various seasons, and changes in various physicochemical parameters and microbial status were evaluated. Most significantly, the efficacy of the microflora associated with water-forming biofouling or biofilm network on its susceptibility to the ethanolic extract of A. indica was investigated. Distinct changes were recorded in all the tested physico-chemical and microbiological statuses in all the seasons. The efficacy of biofouling or biofilm network formation was found to be statistically high during the winter season. Biofouling or biofilm formation was susceptible to the ethanolic extract of A. indica. A. indica treatment brought about notable changes in the morphology of the biofouling networks. A. indica bioactive compounds such as 9,10-dideutero octadecanal and cyclononasiloxane, octadecamethyl known for their antimicrobial and in vitro properties, effectively prevented biofilm and biofouling formation.","PeriodicalId":35327,"journal":{"name":"Environmental Quality Management","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141387545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A review of the impact of environmental pollutions on reproductive health and risk mitigation strategies 环境污染对生殖健康的影响及风险缓解策略综述

IF 1.5

Environmental Quality Management Pub Date : 2024-06-02 DOI: 10.1002/tqem.22265

Wiwik Afridah, Fauziyatun Nisa, Tri Martiana

{"title":"A review of the impact of environmental pollutions on reproductive health and risk mitigation strategies","authors":"Wiwik Afridah, Fauziyatun Nisa, Tri Martiana","doi":"10.1002/tqem.22265","DOIUrl":"10.1002/tqem.22265","url":null,"abstract":"The reproductive health system holds paramount importance for human well-being. Reproductive health is notably susceptible to oxidative stress, triggered by the generation of reactive oxygen species from pollutants such as Cd is often found in cigarette smoke ultimately resulting in diminished fertility among couples. This review aims to comprehensively discuss the repercussions and hazards posed by pollutants to reproductive health, elucidating how pollution can instigate reproductive disorders and proposing mitigation strategies. The first set of questions aimed to avert pregnancy abnormalities and curtail morbidity and mortality rates and underscores the need for antioxidants as a pivotal risk mitigation strategy. Fostering public awareness of a healthy lifestyle is imperative. These sustainable solutions and the involvement of expert organizations at local, national, and global scales, employing a multidisciplinary approach, are indispensable for effective problem-solving in this domain. Findings from the review highlight a correlation between pregnancy complications, encompassing spontaneous abortions, premature deliveries, and low birth weight (LBW), attributable to pollutants, thereby escalating morbidity and mortality rates.","PeriodicalId":35327,"journal":{"name":"Environmental Quality Management","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141273486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The pyrolytic oil and castor oil methyl ester blend with nano-additive as fuel in a diesel engine for environmental safety and preservation 含有纳米添加剂的热解油和蓖麻油甲酯混合物作为柴油发动机的燃料，可确保环境安全和保护环境

IF 1.5

Environmental Quality Management Pub Date : 2024-06-02 DOI: 10.1002/tqem.22266

Ponnusamy Kumarasami Devan, Manickam Balasubramanian

{"title":"The pyrolytic oil and castor oil methyl ester blend with nano-additive as fuel in a diesel engine for environmental safety and preservation","authors":"Ponnusamy Kumarasami Devan, Manickam Balasubramanian","doi":"10.1002/tqem.22266","DOIUrl":"10.1002/tqem.22266","url":null,"abstract":"The increase in the use of plastic products and disposal of the same pose a threat to the world community due to its poor biodegradability. Chemically treating the waste plastic to extract oil and using as the fuel in the form of blends will safeguard the environment. It was observed that viscosity and lubricity of such oils were lower than standard diesel. High Ricinoleic fatty acid ester is added to improve the lubricity of novel pyrolytic blend. Lower blends were prepared for the investigation. Cator ester was added to Pyro-Diesel along with graphene quantum dot (GQD). The fuel blend is prepared with concentration of 30 ppm GQD nano-particles. The investigation was made on using CME and PD20 blend. The blend was prepared using Castor oil methyl ester, Pyrolytic oil and nano particle Graphene Quantum Dot (GQD). GQD has extraordinary ecological characteristics such as biocompatibility, large surface area excellent solubility. This combination is a novel work which resulted in reduced emissions. The results reveal that oxides of nitrogen and smoke were increased for all the ternary blends but combustion characteristics improved. The performance of PCD10 (10% CME + 20% Pyro + 70% Diesel) was higher than that of Pyro-Diesel blend. Hence, ternary blend may be chosen as fuel.","PeriodicalId":35327,"journal":{"name":"Environmental Quality Management","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141273766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment of ecological risk and metal contamination caused by the Lihoud River emissary along the Bay of Tangier Littoral in Morocco (Southwestern Mediterranean Sea) 摩洛哥丹吉尔湾沿岸（地中海西南部）利胡德河使者造成的生态风险和金属污染评估

IF 1.5

Environmental Quality Management Pub Date : 2024-05-31 DOI: 10.1002/tqem.22269

Ayoub Simou, Fouad El Mansouri, Bahia Abdelfattah, Amena Mrabet, Mohamed Khaddor, Nabil Allali

{"title":"Assessment of ecological risk and metal contamination caused by the Lihoud River emissary along the Bay of Tangier Littoral in Morocco (Southwestern Mediterranean Sea)","authors":"Ayoub Simou, Fouad El Mansouri, Bahia Abdelfattah, Amena Mrabet, Mohamed Khaddor, Nabil Allali","doi":"10.1002/tqem.22269","DOIUrl":"https://doi.org/10.1002/tqem.22269","url":null,"abstract":"This study aimed to evaluate the environmental risks and metal contamination at Marqala Beach, a popular destination. Wet and dry beach sediments were collected from along this coastline for a full comprehensive analysis of the area. The assessment involved both physicochemical characterization of the sediments and determination of heavy metal contamination levels. Various pollution indices, including the geo-accumulation index (Igeo), enrichment factor (EF), contamination factor (CF), modified contamination degree (mCd), pollution load index (PLI), potential ecological risk factor (Ef), and potential ecological risk index (RI) were used to evaluate the ecological and health risk. These indices highlight the impact of human activities and indicate that contamination is primarily due to elevated levels of As, Cr, Zn, and Pb. Furthermore, X-ray fluorescence (XRF) analysis showed that SiO2 was the dominant element in the sediment samples, followed by CaO and Al2O3. This suggests a mineralogical and compositional combination. X-ray diffraction (XRD) characterization confirmed quartz dominance and the presence of aluminosilicate and calcium silicate minerals, aligning with XRF findings. Additionally, the scanning electron microscope (SEM) analysis revealed a non-crystalline structure with a sandy texture, as evidenced by the macrostructure and granulometric analyses, while the polluted sediments showed smaller particle sizes, consisting of tiny particles (oxides) and organic matter on quartz crystals.","PeriodicalId":35327,"journal":{"name":"Environmental Quality Management","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142324649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0