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Mechanism of the effect of modified TiO2 on the strength of gold tailings-based no-fire bricks samples 改性TiO2对金尾矿基无火砖试样强度影响的机理
4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2025-01-01 DOI: 10.37190/epe250207
Yang Guohao, HE Zhi-ming, Jiawei Sun, Hao Guo, Kai Zhang
{"title":"Mechanism of the effect of modified TiO2 on the strength of gold tailings-based no-fire bricks samples","authors":"Yang Guohao, HE Zhi-ming, Jiawei Sun, Hao Guo, Kai Zhang","doi":"10.37190/epe250207","DOIUrl":"https://doi.org/10.37190/epe250207","url":null,"abstract":"Brick-making from gold tailings is one of the common utilization methods, however, this method usually requires pressurized sintering. This study investigates the effect of modified TiO 2 on the strength of gold tailings-based no-fire bricks under ambient temperature and pressure conditions. Gold tailings, river sand, and gravel were used as raw materials, with cement-epoxy resin serving as the composite binder and modified TiO 2 acting as the reinforcing agent. The surface of TiO 2 was modified by silane coupling agent KH-560 and polyethyleneimine (PEI), and the effect of modified TiO 2 on the performance and characterization of gold tailings-based no-fire bricks was investigated. The results show that 25% KH-560 silane coupling agent and 75% polyethyleneimine (PEI) modify TiO 2 best. The optimal compressive strength of 79.6 MPa was achieved in gold tailings-based no-fire bricks with 2% modified TiO 2 addition. Microscopic morphology and chemical analysis confirmed that the modified TiO 2 significantly enhanced the structural integrity of gold tailings-based no-fire bricks.","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"51 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://doi.org/10.37190/epe250207","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147916307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Removal of typical antibiotics from the symbiotic system of Microcystis aeruginosa and emergent plants 铜绿微囊藻与新兴植物共生系统中典型抗生素的去除
4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2023-01-01 DOI: 10.37190/epe230101
Lidan Pang, Haidong Zhou, Mengwei Li, Ziming Zhao, Xinxuan Xu, Mixuan Ye, Xiaojing Liu
{"title":"Removal of typical antibiotics from the symbiotic system of Microcystis aeruginosa and emergent plants","authors":"Lidan Pang, Haidong Zhou, Mengwei Li, Ziming Zhao, Xinxuan Xu, Mixuan Ye, Xiaojing Liu","doi":"10.37190/epe230101","DOIUrl":"https://doi.org/10.37190/epe230101","url":null,"abstract":"In a simulated urban river system, the conversion and distribution of six typical antibiotics were investigated under the following conditions: no plant, only Microcystis aeruginosa (algae) and algae combined with Juncus effusus, Cyperus alternifolius, and Acorus calamus. Through the calculation of the mass balance, the quantitative distribution of antibiotics in the water phase, sediment, Microcystis aeruginosa, and plant tissues, and the total elimination efficiency of the antibiotics were determined. The results showed that higher concentrations of sulfathiazole (STZ) and sulfamethoxazole (SMZ) were detected in the water phase of the non-plant group, which were 52.81% and 56.88%, respectively, and ciprofloxacin (CIP) and tetracycline (TCY) were detected higher in the sediment, up to 1562 ng/g and 1829 ng/g, respectively. The antibiotic removal rates have been greatly improved, and those in the system containing Microcystis aeruginosa were higher than that in the system without aquatic plants or algae. The calculation of the mass balance showed that the removal effect of algae combined with Juncus effusus was the best, and the removal rates (azithromycin (AZM) and clarithromycin (CLM)) were the highest, reaching 68.88% and 61.96%. It seems that algae and plants play an important role in the removal of antibiotics.","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"49 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://doi.org/10.37190/epe230101","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147894166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Challenges of the Republic of Serbia in the treatment of waste sludge contaminated with heavy metals 塞尔维亚共和国在处理受重金属污染的废污泥方面面临的挑战
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2022-01-01 DOI: 10.37190/epe220304
D. Prokić, J. Stepanov, N. Stojić, Ljiljana Ćurčić
{"title":"Challenges of the Republic of Serbia in the treatment of waste sludge contaminated with heavy metals","authors":"D. Prokić, J. Stepanov, N. Stojić, Ljiljana Ćurčić","doi":"10.37190/epe220304","DOIUrl":"https://doi.org/10.37190/epe220304","url":null,"abstract":"","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70006271","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
Emptying sewage from the valve-pit sump through service lateral to vacuum main 从阀坑污水池中排空污水，通过维修横向管道到真空总管
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2022-01-01 DOI: 10.37190/epe220306
R. Błażejewski, R. Matz
{"title":"Emptying sewage from the valve-pit sump through service lateral to vacuum main","authors":"R. Błażejewski, R. Matz","doi":"10.37190/epe220306","DOIUrl":"https://doi.org/10.37190/epe220306","url":null,"abstract":"A simple hydraulic model of liquid and gas flow from a collecting sump via vacuum service lateral to a vacuum main has been presented. The model was formulated and validated on experimental data and CFD simulations. The standard gas (air) to liquid (sewage) volumetric ratio is roughly equal to the ratio of subsequent admittance times of these two phases, provided that the liquid plug is not fully sucked from the service lateral to the vacuum main during the valve open time. A longer air suction time is needed only when the service lateral is too short to provide enough air to transport the sewage past the nearest downstream lift on the vacuum main. Sizing properly the active sump volume and valve open time for a given service lateral length, one can provide the required air to liquid ratios along the vacuum main, thus minimizing the energy consumption by the vacuum pumps.","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70006366","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
Physical and numerical model of electrocoagulation process with aluminum electrodes for phosphate removal 铝电极电絮凝除磷过程的物理和数值模型
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2022-01-01 DOI: 10.37190/epe220305
I. Halkijevic, G. Lončar, H. Posavčić, D. Vouk
{"title":"Physical and numerical model of electrocoagulation process with aluminum electrodes for phosphate removal","authors":"I. Halkijevic, G. Lončar, H. Posavčić, D. Vouk","doi":"10.37190/epe220305","DOIUrl":"https://doi.org/10.37190/epe220305","url":null,"abstract":"The efficiency of the electrocoagulation process for the removal of phosphate ions 34 (PO -P) − has been analyzed using a batch full-scale reactor with aluminum electrodes. The effects of the flow rate through the reactor applied current density, and reactor volume were the focus of the study. The initial 34 (PO -P) − concentration was reduced by 90% after 90 min of reactor operation time. Additionally, a three-dimensional numerical model for 34 PO -P − removal via the electrocoagulation process is devel-oped that includes the processes of phosphate adsorption and desorption on coagulated/flocculated particles, along with particles settling. Numerical model parametrization relies on the results from the experiments.","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70006334","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
Effective use of construction and demolition waste and stone dust in construction for the production of manufactured aggregates in two pilot regions of the Czech Republic 在捷克共和国的两个试验区，有效地利用建筑和拆除废物以及建筑中的石尘来生产人造集料
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2022-01-01 DOI: 10.37190/epe220207
Václav Vachuška, Jan Vachuška, Dagmar Vološinová, Aleš Vachuška
{"title":"Effective use of construction and demolition waste and stone dust in construction for the production of manufactured aggregates in two pilot regions of the Czech Republic","authors":"Václav Vachuška, Jan Vachuška, Dagmar Vološinová, Aleš Vachuška","doi":"10.37190/epe220207","DOIUrl":"https://doi.org/10.37190/epe220207","url":null,"abstract":"","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"14 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70006605","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: 1
Preparation of polymeric ferric sulfate-quaternary ammonium cationicmodified starch composite flocculant and its application in oily sludge treatment 聚合硫酸铁-季铵阳离子改性淀粉复合絮凝剂的制备及其在含油污泥处理中的应用
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2022-01-01 DOI: 10.37190/epe220403
Lanlan Yu, Peng liu, Kai Zheng
{"title":"Preparation of polymeric ferric sulfate-quaternary ammonium cationicmodified starch composite flocculant and its application in oily sludge treatment","authors":"Lanlan Yu, Peng liu, Kai Zheng","doi":"10.37190/epe220403","DOIUrl":"https://doi.org/10.37190/epe220403","url":null,"abstract":"","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70006414","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: 1
Effect of internal polyurethane coatings of cast iron pipes on the quality of transported potable water 铸铁管内聚氨酯涂层对输送饮用水质量的影响
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2022-01-01 DOI: 10.37190/epe220303
M. Zielina, Anna Młyńska
{"title":"Effect of internal polyurethane coatings of cast iron pipes on the quality of transported potable water","authors":"M. Zielina, Anna Młyńska","doi":"10.37190/epe220303","DOIUrl":"https://doi.org/10.37190/epe220303","url":null,"abstract":"","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70006257","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
Performance evaluation of nanofiltration membranes for dye removal of synthetic hand-drawn batik industry wastewater 纳滤膜处理合成手绘蜡染废水的性能评价
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2022-01-01 DOI: 10.37190/epe220104
R. Desiriani, H. Susanto, N. Aryanti
{"title":"Performance evaluation of nanofiltration membranes for dye removal of synthetic hand-drawn batik industry wastewater","authors":"R. Desiriani, H. Susanto, N. Aryanti","doi":"10.37190/epe220104","DOIUrl":"https://doi.org/10.37190/epe220104","url":null,"abstract":"","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70005906","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: 2
Evaluation of forced aerated and turned pile composting of rose oil processing wastes 玫瑰油加工废弃物强制曝气和翻堆堆肥的评价
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2022-01-01 DOI: 10.37190/epe220107
K. Ekinci, İ. Tosun, K. Sülük, F. Şevik, B. S. Kumbul, N. Bıtrak
{"title":"Evaluation of forced aerated and turned pile composting of rose oil processing wastes","authors":"K. Ekinci, İ. Tosun, K. Sülük, F. Şevik, B. S. Kumbul, N. Bıtrak","doi":"10.37190/epe220107","DOIUrl":"https://doi.org/10.37190/epe220107","url":null,"abstract":"","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70005978","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: 1
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