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Photochemical oxidation model of organic pollutants in greywater from a small household 家庭污水中有机污染物的光化学氧化模型
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2020-01-01 DOI: 10.37190/epe200107
A. Bielski
{"title":"Photochemical oxidation model of organic pollutants in greywater from a small household","authors":"A. Bielski","doi":"10.37190/epe200107","DOIUrl":"https://doi.org/10.37190/epe200107","url":null,"abstract":"The treatment of coagulated greywater from a small household was investigated. The processes of oxidation of organic compounds with hydrogen peroxide combined with ultraviolet radiation (H 2 O 2 /UV) was described. Greywater with various initial COD and TOC concentrations was used in the H 2 O 2 /UV process. The process parameters were hydrogen peroxide doses 0.5–4.0 kg H 2 O 2 /m 3 , UV (254 nm) light intensity 75.5 W/m 2 and irradiation time – 1 h. The oxidation efficiency varied broadly from 15 to 98% and higher COD values corresponded to lower oxidation efficiencies. The average hydrogen peroxide consumption per kg of COD w was = 12.2 g H 2 O 2 /g O 2 COD, while per TOC it was w ′ = 69.0 g H 2 O 2 /g C. The experiments enabled one to developed mathematical models for coagulation and oxidation kinetics. The models showed that at the initial COD = 859 g O 2 /m 3 , the coagulant dose of 100 g Al 3+ /m 3 , the hydrogen peroxide dose of 4 kg H 2 O 2 /m 3 and the UV irradiation time of 3 h it is possible to decrease the COD by 98.4%.","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"95 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70005324","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
Tubular biofilter treatment of isobutanol emissions under various organic loading rates 管式生物滤池处理不同负载率下的异丁醇排放
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2020-01-01 DOI: 10.37190/epe200102
Hong Chen, Liangzu Peng, Wei Yanxiao, Lie Yu, Bo Jiang, Hong Wang, Guanlong Yu, Guijin Zhang
{"title":"Tubular biofilter treatment of isobutanol emissions under various organic loading rates","authors":"Hong Chen, Liangzu Peng, Wei Yanxiao, Lie Yu, Bo Jiang, Hong Wang, Guanlong Yu, Guijin Zhang","doi":"10.37190/epe200102","DOIUrl":"https://doi.org/10.37190/epe200102","url":null,"abstract":"Isobutanol in waste gas streams was treated by a tubular biofilter (TBF) which continuously operated for 364 days under various organic loading rate ( OLR ) from 11 g·m –3 ·h –1 to 66 g·m –3 ·h –1 . Results show that within 60 days, the TBF successfully started up even after changing the OLR from 31.3 to 15.6 g·m –3 ·h –1 . The average removal efficiencies ( RE s) were totally higher than 90% when OLR s ranged from 12.14 to 66.45 g·m –3 ·h –1 . Two distinct performance deterioration periods were observed at days 186–253 and days 280–334, both of which recovered without additional measurement. During these periods, the larvae and adult moth flies, been identified as Psychodinae infested the TBF, greatly affected the TBF performance. When the number of adult Psychodinae decreased, TBF performance recovered. The elimination capacity ( EC ) was 60.42 g·m –3 ·h –1 at the inlet OLR of 66.45 g·m –3 ·h –1 , with the critical EC being around 50 g·m –3 ·h –1 . Even under a low gas empty bed residence time of 15 s, the preferable RE s and EC s under middle or low OLR s were still obtained by the TBF.","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70005691","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
Chromium (VI) uptake and resistance by Pichia Kudriavzeii AM-4 and Candida sp. PSM-33 and their potential use in wastewater treatment plants Pichia Kudriavzeii AM-4和Candida sp. PSM-33对铬(VI)的吸收和抗性及其在污水处理厂的潜在应用
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2020-01-01 DOI: 10.37190/epe200404
Sidra Ilyas, D. A. Bukhari, A. Rehman
{"title":"Chromium (VI) uptake and resistance by Pichia Kudriavzeii AM-4 and Candida sp. PSM-33 and their potential use in wastewater treatment plants","authors":"Sidra Ilyas, D. A. Bukhari, A. Rehman","doi":"10.37190/epe200404","DOIUrl":"https://doi.org/10.37190/epe200404","url":null,"abstract":"","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"46 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70006063","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
Feasibility of using municipal solid wastes rejected fractions as fuel in a biomass power plant 城市生活垃圾残渣作为生物质发电厂燃料的可行性
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2020-01-01 DOI: 10.37190/epe200204
I. Brás, Elisabete Silva, L. Lemos
{"title":"Feasibility of using municipal solid wastes rejected fractions as fuel in a biomass power plant","authors":"I. Brás, Elisabete Silva, L. Lemos","doi":"10.37190/epe200204","DOIUrl":"https://doi.org/10.37190/epe200204","url":null,"abstract":"","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"46 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70005475","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: 6
Assessment of the municipal waste collection process on the basis of irregularities notifications sent by residents – A case study in Wroclaw, Poland 根据居民发出的违规通知对城市垃圾收集过程进行评估-波兰弗罗茨瓦夫的案例研究
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2020-01-01 DOI: 10.37190/epe200206
A. Dąbrowska, R. Giel, M. Plewa
{"title":"Assessment of the municipal waste collection process on the basis of irregularities notifications sent by residents – A case study in Wroclaw, Poland","authors":"A. Dąbrowska, R. Giel, M. Plewa","doi":"10.37190/epe200206","DOIUrl":"https://doi.org/10.37190/epe200206","url":null,"abstract":"","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"46 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70005500","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
Surface modification of fly ash spheroidal particles and their application in the adsorption of phosphorus and chromium(VI) from single and competitive solute systems 粉煤灰球形颗粒的表面改性及其在单一和竞争溶质体系中吸附磷和铬(VI)的应用
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2020-01-01 DOI: 10.37190/EPE200303
Chen Chen, T. Cheng, Xiao Zhang, Min-te Zhang, Rui Lv
{"title":"Surface modification of fly ash spheroidal particles and their application in the adsorption of phosphorus and chromium(VI) from single and competitive solute systems","authors":"Chen Chen, T. Cheng, Xiao Zhang, Min-te Zhang, Rui Lv","doi":"10.37190/EPE200303","DOIUrl":"https://doi.org/10.37190/EPE200303","url":null,"abstract":"This work focuses on the surface modification of fly ash spheroidal particles and their application in phosphorus and chromium(VI) adsorption. The results show that through surface modification, amorphous silica-alumina gels precipitated on the spheroidal particle surface (by which the microsurface area of the reaction products is effectively enlarged) and the surface zeta potential was changed to fit for adsorbing anions. During the adsorption experiment (single and competitive solute systems), chromium(VI) was easier to adsorb. The surface zeta potential and the existence of competitive ions should be recognized as two important factors affecting adsorption efficiency. A higher temperature could improve the adsorption efficiencies of the two solute systems. The fitting results of the pseudosecond-order model (single and competitive solute systems) show better agreement than those of the pseudo-first-order model at every temperature. The Langmuir adsorption isotherm equation can better simulate the adsorption process in single solute sy039stems, but only the chromium(VI) adsorption process can be fitted by the competitive Langmuir adsorption isotherm in competitive solute systems.","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"46 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70005880","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
Phytostabilisation of tailing ponds with use of water absorbing geocomposites and organic and mineral additives 利用吸水土工复合材料和有机矿物添加剂对尾矿库进行植物稳定
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2019-01-01 DOI: 10.37190/EPE190106
P. Kuc, L. Kordas, K. Lejcuś
{"title":"Phytostabilisation of tailing ponds with use of water absorbing geocomposites and organic and mineral additives","authors":"P. Kuc, L. Kordas, K. Lejcuś","doi":"10.37190/EPE190106","DOIUrl":"https://doi.org/10.37190/EPE190106","url":null,"abstract":"The effectiveness of reclamation activities in a tailing pond has been evaluated by the application of mineral and organic substances and remediation plants with water absorbing geocomposites. The research was conducted on the tailing pond of the former copper mine in Iwiny, Poland, basing on a strict, trifactorial experiment set up with the use of the split-split-plot method with 4 replications. The main experimental factors were the variants of substrate modification, various species (or mixtures) of reclamation plants and the presence of water absorbing geocomposites. The conducted experiments did not demonstrate a significant influence of various types of tailing additives. The usability of individual species of reclamation grass or their mixtures for the reclamation was similar. Water absorbing geocomposites contributed to the improvement of difficult vegetation conditions that occur in tailing ponds.","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70004892","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: 4
Assessing soil environmental capacity on different land uses in a suburban area of Chengdu, China 成都郊区不同土地利用方式土壤环境容量评价
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2019-01-01 DOI: 10.37190/epe190204
W. Yang, W. Zhou, Wen-xin Wan, Shuzhen Gou, J. Zhang, S. Deng, F. Shen, Y.J. Wang, H. Yang, L. Luo
{"title":"Assessing soil environmental capacity on different land uses in a suburban area of Chengdu, China","authors":"W. Yang, W. Zhou, Wen-xin Wan, Shuzhen Gou, J. Zhang, S. Deng, F. Shen, Y.J. Wang, H. Yang, L. Luo","doi":"10.37190/epe190204","DOIUrl":"https://doi.org/10.37190/epe190204","url":null,"abstract":"","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70005365","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: 3
Effects of modernization of the water treatment system in a selected swimming pool 某选定游泳池水处理系统现代化的效果
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2019-01-01 DOI: 10.37190/epe190103
J. Wyczarska-Kokot, M. Dudziak, A. Lempart
{"title":"Effects of modernization of the water treatment system in a selected swimming pool","authors":"J. Wyczarska-Kokot, M. Dudziak, A. Lempart","doi":"10.37190/epe190103","DOIUrl":"https://doi.org/10.37190/epe190103","url":null,"abstract":"Based on the analysis of the modernization activities of the pool water treatment technology in a selected indoor swimming pool, the results of water quality improvement have been presented. The analysis of water quality parameters, operating parameters and in-house research that has been carried out in this pool for many years allowed us to evaluate the effects of modernization on water quality improvement, with special consideration of chloramine content in pool water (as a disinfection by product). The results of the research have been analyzed in terms of the current sanitary and hygienic guidelines for swimming pools.","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70005232","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
Application of surfactant-modified montmorillonite in nitrophenol removal by adsorption 表面活性剂改性蒙脱土在硝基苯酚吸附脱除中的应用
IF 0.6 4区 环境科学与生态学
Environment Protection Engineering Pub Date : 2019-01-01 DOI: 10.37190/EPE190202
Gülay Baysal
{"title":"Application of surfactant-modified montmorillonite in nitrophenol removal by adsorption","authors":"Gülay Baysal","doi":"10.37190/EPE190202","DOIUrl":"https://doi.org/10.37190/EPE190202","url":null,"abstract":"Quaternary ammonium salts (QASs) such as 1-methyl-di-nonyl-1 phenyl ammonium iodide (QAS1) and 1-methyl-di-dodecyl-1 phenyl ammonium iodide (QAS2) were newly synthesized by complete alkylation reaction for modification of sodium montmorillonite (Mt). The sodium montmorillonite was modified via an ion-exchange reaction with QAS1 and QAS2, and two organoclays, Mt1 and Mt2, have been obtained. The synthesized quaternary ammonium salts were analyzed by nuclear magnetic resonance spectroscopy (NMR). The organoclays (Mt1 and Mt2) were characterized by a range of methods including X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The adsorption capacities of the synthesized organo-montmorillonites for the hydrophobic organic pollutant 4-nitrophenol (4-NP) have been evaluated. The distances between the organoclay layers showed a much better opening than that reported in the literature. The results show that the adsorption capacity increased in the order Mt2 > Mt1. The adsorption capacities of Mt1 and Mt2 for 4-NP were 77% and 81%, respectively.","PeriodicalId":11709,"journal":{"name":"Environment Protection Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70005348","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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