Journal of Environmental Science and Health Part A-toxic\/hazardous Substances & Environmental Engineering最新文献_第5页

Synergistic effects between different advanced oxidative treatments for degradation of Rhodamine B. 不同高级氧化处理对罗丹明B降解的协同效应。

IF 2 4区环境科学与生态学

Journal of Environmental Science and Health Part A-toxic\/hazardous Substances & Environmental Engineering Pub Date : 2026-01-01 Epub Date: 2026-04-10 DOI: 10.1080/10934529.2026.2656848

Letícia Reggiane de Carvalho Costa, Júlia Toffoli de Oliveira, Liliana Amaral Féris

{"title":"Synergistic effects between different advanced oxidative treatments for degradation of Rhodamine B.","authors":"Letícia Reggiane de Carvalho Costa, Júlia Toffoli de Oliveira, Liliana Amaral Féris","doi":"10.1080/10934529.2026.2656848","DOIUrl":"10.1080/10934529.2026.2656848","url":null,"abstract":"Advanced oxidative processes (AOPs) have been extensively investigated for the removal of a wide range of organic contaminants, including dyes, pharmaceuticals, and other industrial pollutants. However, systematic evaluations of synergistic effects among different AOP configurations remain limited. This study investigated the synergistic interactions between AOPs for the degradation and mineralization of Rhodamine B, a dye widely used as a model compound for industrial effluents. Solutions were treated using photolysis (UV), hydrogen peroxide (H2O2), UV/H2O2, Fenton (Fe2+/H2O2), and photo-Fenton (Fe2+/H2O2/UV) processes. H2O2 concentrations ranged from 1.6 to 43.2 mmol/L when applied alone and from 0.53 to 4.8 mmol/L in Fenton and photo-Fenton systems, using Fe2+/H2O2 ratios of 1:5 and 1:10. The results revealed that the UV/H2O2 achieved 69% degradation within 2 h at 14.4 mmol/L of H2O2, outperforming the individual treatments. The photo-Fenton process exhibited superior efficiency, achieving complete degradation in half the time required by the Fenton process at 0.5 mmol/L of H2O2 and an Fe2+/H2O2 ratio of 1:5. Furthermore, mineralization increased by 20% when UV was incorporated. This study demonstrates that integrating AOPs enhances the performance, supporting the optimization of the treatments for dye-containing wastewaters and reinforcing the importance of synergistic strategies for environmental remediation.","PeriodicalId":15671,"journal":{"name":"Journal of Environmental Science and Health Part A-toxic\\/hazardous Substances & Environmental Engineering","volume":" ","pages":"421-430"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147654388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Degradation of ciprofloxacin and sulfamethoxazole in water using an ozonation/persulfate system under solar irradiation. 太阳辐照下臭氧氧化/过硫酸盐系统降解水中环丙沙星和磺胺甲恶唑的研究。

IF 2 4区环境科学与生态学

Journal of Environmental Science and Health Part A-toxic\/hazardous Substances & Environmental Engineering Pub Date : 2026-01-01 Epub Date: 2026-04-21 DOI: 10.1080/10934529.2026.2643810

Tankiso Johannes Masangane, Motsa Machawe Mxolisi, Alex Tawanda Kuvarega

{"title":"Degradation of ciprofloxacin and sulfamethoxazole in water using an ozonation/persulfate system under solar irradiation.","authors":"Tankiso Johannes Masangane, Motsa Machawe Mxolisi, Alex Tawanda Kuvarega","doi":"10.1080/10934529.2026.2643810","DOIUrl":"10.1080/10934529.2026.2643810","url":null,"abstract":"Pharmaceutical contaminants such as ciprofloxacin (CIP) and sulfamethoxazole (SMX) pose global risks due to their inadequate removal by conventional wastewater treatment plants. This study evaluates their degradation using O3/PS AOPs under solar irradiation in a 15 L reactor. Key operational parameters were systematically evaluated. Ozonation achieved 98% CIP degradation at an ozone dosage of 65.04 mg L-1, following pseudo-first-order kinetics with apparent rate constant (Kapp = 0.06362 min⁻¹). Degradation efficiencies decreased with increasing pollutant concentration and under acidic conditions: 10 mg L-1 CIP achieved 99% degradation, whereas 20 mg L-1 resulted in 93%, while 15 mg L-1 SMX achieved 94% and 60 mg L-1 achieved 83% degradation. At pH 2, CIP and SMX degradation declined to 73% and 65%, respectively. The addition of 0.045 mmol L-1 PS enhanced performance, achieving 90% CIP degradation within 15 min, eliminating the fluorescence signal of CIP. The combined O3/PS system exhibited a higher rate constant (Kapp = 0.08615 min⁻¹) than either oxidant alone. Radical scavenging experiments identified hydroxyl and sulfate radicals as the dominant species. A preliminary cost analysis estimated a chemical cost of $0.0009 L⁻¹. Overall, the O₃/PS system demonstrated high efficiency and adaptability for solar-assisted antibiotic removal in water treatment.","PeriodicalId":15671,"journal":{"name":"Journal of Environmental Science and Health Part A-toxic\\/hazardous Substances & Environmental Engineering","volume":" ","pages":"382-396"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147729064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Citric acid enhances physiological and biochemical tolerance of rye (Secale cereale L.) seedlings to cadmium toxicity and repeated freeze-thaw cycles. 柠檬酸增强了黑麦幼苗对镉毒性和冻融循环的生理生化耐受性。

IF 2 4区环境科学与生态学

Journal of Environmental Science and Health Part A-toxic\/hazardous Substances & Environmental Engineering Pub Date : 2026-01-01 Epub Date: 2026-06-05 DOI: 10.1080/10934529.2026.2682088

Shoujat Ali, Guozhang Bao, Khalid Bashir, Jinke Hu, Cunxin Fan

{"title":"Citric acid enhances physiological and biochemical tolerance of rye (Secale cereale L.) seedlings to cadmium toxicity and repeated freeze-thaw cycles.","authors":"Shoujat Ali, Guozhang Bao, Khalid Bashir, Jinke Hu, Cunxin Fan","doi":"10.1080/10934529.2026.2682088","DOIUrl":"10.1080/10934529.2026.2682088","url":null,"abstract":"Crops at high altitudes often face simultaneous ecological stress from cadmium (Cd) and freeze-thaw cycles during growth. In this study, rye (Secale cereale L.) was selected as the model organism to examine the physiological impacts of exogenous CA application (19 mg/L) on rye seedlings exposed to both individual and combined stresses of freeze-thaw and cadmium (30 mg/L). Molecular docking studies revealed interactions between Cd and the active sites of CAT, chlorophyll, and POD proteins. The results demonstrated that combined stress increased malondialdehyde (MDA) by 40.95%, hydrogen peroxide (H2O2) by 28.04%, and ascorbate peroxidase (APX) by 18.45%. The results confirmed that freeze-thaw condition (FTC) and Cd stresses reduced the net photosynthetic rate (Pn) by 64.87%, stomatal conductance (gs) by 27.45%, and Water use efficiency (Wue) by 30.84% while increasing intercellular carbon dioxide concentration (Ci) of rye seedlings. CA improved resistance to these stresses in rye seedlings by increasing the activity of APX and CAT enzymes. We believe that the findings of this study will be of particular interest to readers of environmental pollution and will be crucial for formulating strategies to enhance plant adaptability and flexibility in the face of rising levels of environmental pollutants and climatic fluctuations.","PeriodicalId":15671,"journal":{"name":"Journal of Environmental Science and Health Part A-toxic\\/hazardous Substances & Environmental Engineering","volume":" ","pages":"769-789"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148163350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Potentially toxic elements and microbiological contaminants in drinking water from wells in the Sonora River basin region of Sonora, Mexico. 墨西哥索诺拉州索诺拉河流域水井饮用水中的潜在有毒元素和微生物污染物。

IF 2 4区环境科学与生态学

Journal of Environmental Science and Health Part A-toxic\/hazardous Substances & Environmental Engineering Pub Date : 2026-01-01 Epub Date: 2026-06-01 DOI: 10.1080/10934529.2026.2677395

Génesis V Buitimea-Cantúa, María de J Moreno-Vázquez, Nydia E Buitimea-Cantúa, Idania E Quintero-Reyes, Ana I Valenzuela-Quintanar, Martín E Jara-Marini, Ildefonso Guerrero-Encinas, Luis Quihui-Cota

{"title":"Potentially toxic elements and microbiological contaminants in drinking water from wells in the Sonora River basin region of Sonora, Mexico.","authors":"Génesis V Buitimea-Cantúa, María de J Moreno-Vázquez, Nydia E Buitimea-Cantúa, Idania E Quintero-Reyes, Ana I Valenzuela-Quintanar, Martín E Jara-Marini, Ildefonso Guerrero-Encinas, Luis Quihui-Cota","doi":"10.1080/10934529.2026.2677395","DOIUrl":"10.1080/10934529.2026.2677395","url":null,"abstract":"The water quality of the Sonora River in spring 2025 was investigated by measuring concentrations of heavy metals (Pb, Hg, Cu, Fe, Mn, and Ni), total/fecal coliform counts, and the presence of Escherichia coli. Wells' water samples were collected from Bacoachi, Arizpe, Huepac, San Felipe de Jesús, Banamichi, Aconchi, Baviacora, Mazocahui, Ures, and Hermosillo. Fecal coliforms, E. coli, Hg, Cu, Fe, Mn, and Ni were not detected. Total coliform counts exceeded the NOM-210-SSA1-2014 permissible limits, and Pb concentrations were within the NOM-127-SSA1-2021 limits. No safe threshold for Pb concentration in drinking water has been established due to its toxicity; therefore, continuous monitoring is essential for tracking Pb levels and reducing the risk of total coliform contamination in the Sonora River.","PeriodicalId":15671,"journal":{"name":"Journal of Environmental Science and Health Part A-toxic\\/hazardous Substances & Environmental Engineering","volume":" ","pages":"703-712"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148138391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Visible-Light photocatalytic degradation of tetracycline using optimized metal-free g-C₃N₄: Matrix effects, toxicity, and PMS-assisted intensification. 利用优化的无金属g-C3N4的可见光催化降解四环素：基质效应、毒性和pms辅助强化

IF 2 4区环境科学与生态学

Journal of Environmental Science and Health Part A-toxic\/hazardous Substances & Environmental Engineering Pub Date : 2026-01-01 Epub Date: 2026-07-20 DOI: 10.1080/10934529.2026.2699585

Bivin Ebenezer S, Gandhimathi R

{"title":"Visible-Light photocatalytic degradation of tetracycline using optimized metal-free g-C3N4: Matrix effects, toxicity, and PMS-assisted intensification.","authors":"Bivin Ebenezer S, Gandhimathi R","doi":"10.1080/10934529.2026.2699585","DOIUrl":"10.1080/10934529.2026.2699585","url":null,"abstract":"In this study, g-C3N4 was synthesized from urea, selected using the TOPSIS framework, where urea ranked highest (score = 1). Further catalyst was optimized using the central composite design for the degradation of Tetracycline (TC), a representative Pharmaceutical and Personal Care Product (PPCP). Characterization confirmed a layered structure, surface functionalities, thermal stability, and a visible-light band gap of 2.74 eV. Under optimized conditions (180 min, 0.5 g L-1 catalyst dosage, pH 6.81, 10 mg L-1 TC), degradation efficiencies of 88.23% (Mercury 125 W), 85.93% (Tungsten 500 W), and 78.47% (LED 120 W) were achieved with pseudo-second-order kinetics. Reusability tests showed a ∼13% decline in performance after three cycles. Increasing background organic load (COD) from 0 to 768 mg L-1 prolonged the TC half-life from 87.72 to 144.37 min, indicating competitive inhibition. Scavenger studies identified superoxide radicals (O2•-) and holes (h+) as the dominant reactive species. In real-water matrices, TOC removal decreased due to matrix interference, with removal efficiencies of 68.6% (distilled water), 66.43% (surface water), and 37.17% (Treated Sewage water). LC-MS analysis detected low-molecular-weight by-products (m/z < 200), confirming TC degradation. After AOP treatment, GI values increased from 0.62 to 0.68 for Vigna radiata and 0.39 to 0.8 for Trigonella foenum-graecum, indicating reduced toxicity. PMS-assisted photocatalysis further enhanced TC removal to 94.42% within 2 h. Among the light sources evaluated, LED operation ($0.058 L-1) was the most economical option, supporting scalable PPCPs removal.","PeriodicalId":15671,"journal":{"name":"Journal of Environmental Science and Health Part A-toxic\\/hazardous Substances & Environmental Engineering","volume":" ","pages":"1014-1034"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148520576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Human health risk assessment of PM_2.5-bound heavy metals during a haze season in a semi‑urban agricultural area of Northern Thailand. 泰国北部半城市农业区雾霾季节pm2.5结合重金属的人类健康风险评估。

IF 2 4区环境科学与生态学

Journal of Environmental Science and Health Part A-toxic\/hazardous Substances & Environmental Engineering Pub Date : 2026-01-01 Epub Date: 2026-08-11 DOI: 10.1080/10934529.2026.2714344

Thunwadee Srithawirat, Chanikan Junmatong, Orachorn Chimjan, Atthaphol Rodkaew, Eakpop Junsukon, Mohd Talib Latif

{"title":"Human health risk assessment of PM2.5-bound heavy metals during a haze season in a semi‑urban agricultural area of Northern Thailand.","authors":"Thunwadee Srithawirat, Chanikan Junmatong, Orachorn Chimjan, Atthaphol Rodkaew, Eakpop Junsukon, Mohd Talib Latif","doi":"10.1080/10934529.2026.2714344","DOIUrl":"10.1080/10934529.2026.2714344","url":null,"abstract":"This study assessed PM2.5-bound heavy metals (Cd, Pb, Cr, Cu, and Fe) and associated human health risks at a semi-urban-agricultural site in Phitsanulok, lower northern Thailand, during the 2024-2025 haze season. Enrichment factors (EF), geoaccumulation index (Igeo), and US EPA health risk models were applied to characterize metal sources and to estimate noncarcinogenic and carcinogenic risks for adults and children. The mean 24-h PM2.5 concentration (55.96 µg m-3) exceeded both WHO guidelines (15 µg m-3) and the Thai national standard (37.5 µg m-3). Fe was the dominant metal, followed by Cr, Pb, Cu, and Cd; EF > 10 for Cr, Pb, Cu, and Cd indicated significant anthropogenic enrichment, while Igeo classified Cd as moderately polluted. Hazard indices (HI < 1) indicated negligible noncarcinogenic risk for all exposure routes and age groups. However, total inhalation carcinogenic risk exceeded 1 × 10-4 for children (2.13 × 10-4; moderate risk), primarily driven by Cr, while adults presented a lower but non-negligible risk (6.56 × 10-5). These findings identify Cr containing PM2.5 inhalation during haze episodes as a priority health concern, particularly for children, underscoring the need for targeted emission controls in semi-urban-agricultural areas.","PeriodicalId":15671,"journal":{"name":"Journal of Environmental Science and Health Part A-toxic\\/hazardous Substances & Environmental Engineering","volume":" ","pages":"1199-1210"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148706743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

A review of technologies and sorbent materials for multi-pollutant gas removal. 多污染物气体脱除技术及吸附材料研究进展。

IF 2 4区环境科学与生态学

Journal of Environmental Science and Health Part A-toxic\/hazardous Substances & Environmental Engineering Pub Date : 2026-01-01 Epub Date: 2026-08-28 DOI: 10.1080/10934529.2026.2718789

Lawrence Koech, Kasturie Premlall, Douw Faurie

{"title":"A review of technologies and sorbent materials for multi-pollutant gas removal.","authors":"Lawrence Koech, Kasturie Premlall, Douw Faurie","doi":"10.1080/10934529.2026.2718789","DOIUrl":"10.1080/10934529.2026.2718789","url":null,"abstract":"Industrial flue gases contain multiple pollutants such as SO2, NOₓ, mercury, particulate matter, and volatile organic compounds, each posing environmental and health risks. Traditional emission control systems treat these pollutants individually, often resulting in high costs, operational complexity, and large equipment footprints. This review presents an overview of the major flue gas pollutants and summarizes recent advances in multi-pollutant control technologies and sorbent materials. It focuses on regulated gas-phase air pollutants, with CO2 mentioned only where sorbent chemistry overlaps. Both conventional and emerging technologies are examined, including wet and dry scrubbing systems, integrated treatment units, catalytic processes, and novel adsorption techniques. Sorbent categories such as calcium-based, carbon-based, catalytic, zeolites, MOFs, and nanomaterials, are discussed in terms of pollutant removal efficiency, regeneration, and performance limitations. Unlike previous reviews that focus on single technology routes or single material families, this review compares technologies and sorbents by pollutant combination, operating temperature, integration compatibility, and evidence from laboratory to industrial scale. This review aims to improve current practices and offering guidance to future development of cost-effective, integrated systems for simultaneous pollutant capture in industrial applications.","PeriodicalId":15671,"journal":{"name":"Journal of Environmental Science and Health Part A-toxic\\/hazardous Substances & Environmental Engineering","volume":" ","pages":"1261-1283"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148840512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Methylene blue dye removal using a nanocomposite prepared from CoFe₂O₄^-enriched activated carbon aided with artificial neural network analysis. CoFe2O4富集活性炭制备纳米复合材料去除亚甲基蓝染料的研究。

IF 2 4区环境科学与生态学

Journal of Environmental Science and Health Part A-toxic\/hazardous Substances & Environmental Engineering Pub Date : 2026-01-01 Epub Date: 2026-06-02 DOI: 10.1080/10934529.2026.2679389

Amit Kumar Dey, Pwjwngsar Basumatary, Kashmiri Deuri, Suchitra Sukladas

{"title":"Methylene blue dye removal using a nanocomposite prepared from CoFe2O4-enriched activated carbon aided with artificial neural network analysis.","authors":"Amit Kumar Dey, Pwjwngsar Basumatary, Kashmiri Deuri, Suchitra Sukladas","doi":"10.1080/10934529.2026.2679389","DOIUrl":"10.1080/10934529.2026.2679389","url":null,"abstract":"The objective of this study was to assess the effectiveness of a nanocomposite CeAC (cobalt ferrite enriched activated carbon), prepared by enriching activated carbon with cobalt ferrite (CoFe2O4) for the elimination of methylene blue (MB), from laboratory modeled wastewater. The CeAC was synthesized by a simple wet homogenization and was then characterized using various methods including ESEM, FTIR, BET, and HR-TEM. The study evaluated the effects of several batch adsorption conditions including pH levels (ranging from 2 to 9), dye concentration (30 to 120 mg/L), CeAC quantity (10 to 100 mg), and temperature (30 °C to 50 °C). The results indicated that adsorption uptake depended on pH level (maximum at pH 7.5), and that as adsorbent dose increased, the uptake decreased. The Langmuir isotherm provided the best fit among the isotherms studied, with the highest monolayer capacity (Qm) of 267.23 mg g-1 at 50 °C. Kinetic studies suggested pseudo-second-order kinetics; with the intra-particle diffusion suggesting that the film diffusion controlled the rate limiting steps. According to thermodynamic parameters, sorption is a spontaneous physical adsorption mechanism. The study confirms the potential of CeAC as a reliable and efficient adsorbent to eliminate the cationic dye MB from wastewater.","PeriodicalId":15671,"journal":{"name":"Journal of Environmental Science and Health Part A-toxic\\/hazardous Substances & Environmental Engineering","volume":" ","pages":"738-756"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148150087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Comparing the effect of artificial lighting vs. natural emulating lighting on patients in hospital rooms. 比较人工照明与自然模拟照明对病房病人的影响。

IF 2 4区环境科学与生态学

Journal of Environmental Science and Health Part A-toxic\/hazardous Substances & Environmental Engineering Pub Date : 2026-01-01 Epub Date: 2026-03-21 DOI: 10.1080/10934529.2026.2646825

Saeed Hussein Alhmoud, Khitam Alsaqer, Husam Hussein Alhmoud

引用次数: 0

Study on the purification mechanisms of black and odorous water bodies using hydroxyapatite prepared from construction waste putty powder. 建筑垃圾腻子粉制备羟基磷灰石净化黑臭水体的机理研究。

IF 2 4区环境科学与生态学

Journal of Environmental Science and Health Part A-toxic\/hazardous Substances & Environmental Engineering Pub Date : 2026-01-01 Epub Date: 2026-07-16 DOI: 10.1080/10934529.2026.2702242

Yonghong Zheng, Yi Liu, Zhiguo Zhang, Ziyang Zhang, Ge Wang, Xiaoyu Yin

{"title":"Study on the purification mechanisms of black and odorous water bodies using hydroxyapatite prepared from construction waste putty powder.","authors":"Yonghong Zheng, Yi Liu, Zhiguo Zhang, Ziyang Zhang, Ge Wang, Xiaoyu Yin","doi":"10.1080/10934529.2026.2702242","DOIUrl":"10.1080/10934529.2026.2702242","url":null,"abstract":"Putty powder-based hydroxyapatite (P-HAP) was synthesized hydrothermally from high-calcium waste putty powder as the calcium source and characterized by XRD, FTIR, SEM, EDS, BET, and zeta potential analyses. The effects of P-HAP dosage and pH on the adsorption of Mn2+, Fe2+, COD, and NH3-N from black and odorous wastewater were investigated. At a dosage of 1.6 g/L and pH = 10 (CFe2+ = 10 mg/L, CMn2+ = 100 mg/L, CCOD = 50 mg/L, CNH3-N = 50 mg/L, 25 °C), the maximum adsorption capacities were 61.24, 6.25, 21.00, and 21.86 mg/g for Mn2+, Fe2+, COD, and NH3-N, respectively; the adsorption efficiencies of Fe2+ and COD reached 100% and 67.18%. At a dosage of 4 g/L and pH = 7, under the same conditions, the adsorption efficiencies for Mn2+ and NH3-N reached 100% and 73.92%, respectively. The adsorption conformed to the pseudo-second-order kinetics and the Freundlich isotherm models, indicating multilayer heterogeneous surface chemical adsorption. The adsorption mechanisms primarily involve complexation reactions and ion exchange. A quantitative model for predicting dosage was also established. This provides a new approach for the resource utilization of waste putty powder, also for the efficient, low-cost, and environmentally friendly treatment of black and odorous water bodies.","PeriodicalId":15671,"journal":{"name":"Journal of Environmental Science and Health Part A-toxic\\/hazardous Substances & Environmental Engineering","volume":" ","pages":"1068-1080"},"PeriodicalIF":2.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148455852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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