Ozone: Science & Engineering最新文献_第10页

Determination of the Effects of Different Aqueous Ozone Doses and Temperature on Germination and Seedling Development of Vetch Seeds 不同臭氧水处理剂量和温度对紫薇种子萌发和幼苗发育影响的测定

IF 2.7 4区环境科学与生态学

Ozone: Science & Engineering Pub Date : 2021-10-04 DOI: 10.1080/01919512.2021.1984204

Ö. Uslu, A. Erol, O. Gedik, Fatma Akbay

{"title":"Determination of the Effects of Different Aqueous Ozone Doses and Temperature on Germination and Seedling Development of Vetch Seeds","authors":"Ö. Uslu, A. Erol, O. Gedik, Fatma Akbay","doi":"10.1080/01919512.2021.1984204","DOIUrl":"https://doi.org/10.1080/01919512.2021.1984204","url":null,"abstract":"ABSTRACT Various effects of ozone treatment on seed germination and development are known. This feature of ozone has gained more importance in recent years. On the other hand, it is reported that ozone used in excessive amounts causes adverse effects. The method of application of ozone and the results obtained vary according to the material used. In this study, two different vetch species (hairy vetch and common vetch), for 30 minutes four different ozone doses application [control (0.40 g/m3), 1.60 g/m3, 2.80 g/m3, 4.00 g/m3] and three different temperatures (10, 15 and 20 °C) were examined. As a result of applications; germination rate, radicle length, plumule length, seedling length, seedling fresh weight, seedling dry weight and vigor index values were calculated. It was determined that plumule length, seedling length, seedling fresh weight and vigor index values of the species were affected by ozone doses and temperature applications. Also, it was determined that the cultivar ˟ temperature ˟ ozone dose interaction had significant effects on the length of the radicle (P < 0.01) and the seedling fresh weight (P < 0.05). According to the results of the study; it has been determined that the applications of ozonized water up to 2.80 g/m3 positively affect the germination, radicle and seedling development of hairy vetch and common vetch seeds compared to the control. Besides, it was observed that the highest dose, 4.00 g/m3 dose, negatively affected the same parameters. It was found that the effect of temperature and ozone dose applications were significant on germination and seedling development.","PeriodicalId":19580,"journal":{"name":"Ozone: Science & Engineering","volume":"1 1","pages":"512 - 520"},"PeriodicalIF":2.7,"publicationDate":"2021-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88753307","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

Aqueous Ozone Sanitization System for Fresh Produce: Design, Development, and Optimization of Process Parameters for Minimally Processed Onion 新鲜农产品臭氧水消毒系统:设计、开发和优化最小加工洋葱的工艺参数

IF 2.7 4区环境科学与生态学

Ozone: Science & Engineering Pub Date : 2021-09-28 DOI: 10.1080/01919512.2021.1984206

Raouf Aslam, M. S. Alam, R. Pandiselvam

{"title":"Aqueous Ozone Sanitization System for Fresh Produce: Design, Development, and Optimization of Process Parameters for Minimally Processed Onion","authors":"Raouf Aslam, M. S. Alam, R. Pandiselvam","doi":"10.1080/01919512.2021.1984206","DOIUrl":"https://doi.org/10.1080/01919512.2021.1984206","url":null,"abstract":"ABSTRACT The study was carried out to design and develop an ozonation treatment system for the sanitization of fresh produce before storage. The developed system was evaluated for minimally processed onions based on the kinetics of degradation, application methods, homogeneity of dissolution, and specific energy consumption. The sanitization process was then optimized for cut onion slices using a Box-Behnken design under Response Surface Methodology to study the effects of ozone concentration (1–5 ppm), exposure time (3–8 min), and aqueous pH (3–5) on microbial log reductions, pyruvate content, color change, and overall acceptability. The results obtained showed that degradation kinetics of dissolved ozone followed a first-order reaction with a half-life of 18.23 min. Among the different methods of ozone application tested at 5 ppm ozone concentration, the splashing method yielded the highest microbial log reductions (5.04) followed by dipping (4.5) and spraying (4.22) methods. For the sanitization of cut slices of onion, it was observed that aqueous ozone at 5 ppm concentration splashed on the surfaces for 8 min and an aqueous pH of 3.01 yielded optimized sanitization, whereas microbial log reductions, pyruvate content, and overall acceptability were recorded as 5.6 log reductions, 0.127 µM/mL, and 8.2, respectively. Overall, the system was found to be effective for the sanitization of minimally processed onions.","PeriodicalId":19580,"journal":{"name":"Ozone: Science & Engineering","volume":"40 1","pages":"3 - 16"},"PeriodicalIF":2.7,"publicationDate":"2021-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86221742","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: 13

Ozonated Water Preparation in Dental Offices: Estimation of Ozone Gas Solubility Ratio – Optimum Configurations and Practical Guidelines 牙科诊所的臭氧水制备:臭氧气体溶解度比的估计。最佳配置和实用指南

IF 2.7 4区环境科学与生态学

Ozone: Science & Engineering Pub Date : 2021-09-26 DOI: 10.1080/01919512.2021.1983410

F. Sabbah, W. Domb

{"title":"Ozonated Water Preparation in Dental Offices: Estimation of Ozone Gas Solubility Ratio – Optimum Configurations and Practical Guidelines","authors":"F. Sabbah, W. Domb","doi":"10.1080/01919512.2021.1983410","DOIUrl":"https://doi.org/10.1080/01919512.2021.1983410","url":null,"abstract":"ABSTRACT Dentists wish to prepare enough volume to meet the dental office ozonated water consumption and to reach the desired concentration in the least amount of ozonation time. Several factors affect ozone gas mass transfer in water and the corresponding ozonated water concentration can be measured with analytical or direct in-line monitoring methods. An alternative, ozone gas solubility ratio (SR) may be used as a reference to predict ozonated water concentration. SR of 0.25 is often cited in the literature, but it can vary between 0.2 and 0.4 according to different ozonation configurations and parameters. A total of 70 tests were performed using different ozonation configurations which are commonly used in dental practice. Ozone concentration in water was measured and the SR was calculated. SR varied between 0.13 and 0.4. To our knowledge, this study has never been carried out before and aims to propose practical guidelines on selecting the optimum water ozonation configurations in dental practice, as well as to calculate their corresponding dissolved ozone concentration.","PeriodicalId":19580,"journal":{"name":"Ozone: Science & Engineering","volume":"9 1","pages":"486 - 498"},"PeriodicalIF":2.7,"publicationDate":"2021-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75472781","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

Ozonation of Bovine Peritoneal Membrane for Preservation: Preliminary Investigation 臭氧氧化保存牛腹膜的初步研究

IF 2.7 4区环境科学与生态学

Ozone: Science & Engineering Pub Date : 2021-09-26 DOI: 10.1080/01919512.2021.1984205

L. H. Moreira, M. K. Salomão, H. C. Carvalho, André Luis Silva Mendes, R. A. Zângaro, A. B. Fernandes, Carlos José de Lima

引用次数: 3

Intermittent Root Flushing with Ozonated Water Promotes Growth of Japanese Mustard Spinach (Brassica rapa var. perviridis) grown in a Nutrient Film Technique Hydroponic Culture—Preliminary Results 臭氧水间歇根冲洗促进营养膜技术水培培养的日本芥菜菠菜(Brassica rapa var. perviridis)的生长-初步结果

IF 2.7 4区环境科学与生态学

Ozone: Science & Engineering Pub Date : 2021-09-07 DOI: 10.1080/01919512.2021.1967723

M. Ishii, Vu Phong Lam, K. Fujiwara, J. Park

{"title":"Intermittent Root Flushing with Ozonated Water Promotes Growth of Japanese Mustard Spinach (Brassica rapa var. perviridis) grown in a Nutrient Film Technique Hydroponic Culture—Preliminary Results","authors":"M. Ishii, Vu Phong Lam, K. Fujiwara, J. Park","doi":"10.1080/01919512.2021.1967723","DOIUrl":"https://doi.org/10.1080/01919512.2021.1967723","url":null,"abstract":"ABSTRACT Japanese mustard spinach with 4–5 unfolded leaves were transplanted in a nutrient film technique hydroponic system to investigate the effects of washing roots intermittently with ozonated water (OW) on plant growth. The high concentration of OW generated electrolytically was mixed in the nutrient solution tank, showed 5.8 mg.L−1, and circulated through the culture beds for 1 h every week. After washing the roots with OW or tap water (TW) as a control for 1 h, Otsuka house A solution (NO3-N: 16.8 me.L−1, NH4-N: 1.8 me.L−1, P: 5.1 me.L−1, K: 8.6 me.L−1, Ca: 8.2 me.L−1, Mg: 3.0 me.L−1) at 1.2 dS.m–1 was provided for plant cultivation in hydroponic culture systems. The OW or TW was replaced every week. The fresh and dry weights of the leaves, number of leaves, leaf length, and leaf width of plants treated with OW were significantly higher than those of the plants treated with TW at 1, 2, and 3 weeks after transplanting (WAT). The ratio of the shoot and root dry weights at 1, 2, and 3 WAT was significantly higher in plants grown in the OW flushing treatment compared with the control treatment. However, the roots dry weights were not significantly different between the OW- and TW-treated plants. Moreover, the number of coliform bacteria and aerobic plate count (APC) in the solution and plants were not significantly different between the two treatments. These results indicate that washing roots intermittently with 5.8 mg.L−1 dissolved ozone concentration of OW for 1 h per week promotes aerial plant growth without physiological disorder and is not accompanied by a decrease in the number of coliform bacteria and APC in the solution and plants.","PeriodicalId":19580,"journal":{"name":"Ozone: Science & Engineering","volume":"23 1","pages":"464 - 472"},"PeriodicalIF":2.7,"publicationDate":"2021-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85658967","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

Antifungal Action of Ozone on Chicken Eggshell Cuticles: A Preliminary Study 臭氧对鸡蛋壳表皮抑菌作用的初步研究

IF 2.7 4区环境科学与生态学

Ozone: Science & Engineering Pub Date : 2021-08-24 DOI: 10.1080/01919512.2021.1967722

C. Soares, Cláudio Eduardo Cartabiano Leite, F. Dahlke, A. Maiorka, Marília Miotto, V. Scussel, J. De Dea Lindner

引用次数: 2

Degradation Kinetics Study of Fast Ozonation Reaction in a Rotating Packed Bed 旋转填料床快速臭氧化反应降解动力学研究

IF 2.7 4区环境科学与生态学

Ozone: Science & Engineering Pub Date : 2021-08-22 DOI: 10.1080/01919512.2021.1967724

Dan-qiao Wang, Taoran Liu, Lei Ma, Feng Wang, Jimmy Yun, L. Shao

引用次数: 2

Intensification of Ozone Mass Transfer and Generation of Hydroxyl Radicals by Ceramic Membrane 陶瓷膜强化臭氧传质及羟基自由基的生成

IF 2.7 4区环境科学与生态学

Ozone: Science & Engineering Pub Date : 2021-08-09 DOI: 10.1080/01919512.2021.1960149

Shu Zhu, G. Cheng, X. Quan, Facheng Qiu, Weiyang Bai, Yijuan Tian

{"title":"Intensification of Ozone Mass Transfer and Generation of Hydroxyl Radicals by Ceramic Membrane","authors":"Shu Zhu, G. Cheng, X. Quan, Facheng Qiu, Weiyang Bai, Yijuan Tian","doi":"10.1080/01919512.2021.1960149","DOIUrl":"https://doi.org/10.1080/01919512.2021.1960149","url":null,"abstract":"ABSTRACT The strengthening ability of ozone to treat the reverse osmosis concentrate (ROC) of landfill leachate is a crucial issue. From the standpoint of coupling intensification, a ceramic membrane/ozone (CM/O3) system was developed to improve the oxidation performance of ozone. The results showed that CM/O3 system could significantly improve the ozone concentration and the generation of hydroxyl radicals (·OH) when compared to the traditional O3 bubble system. The reaction condition, such as inlet ozone concentration and ozone flow, ceramic membrane pore size, transmembrane pressure, and temperature on the concentration of ozone in the liquid phase and the formation of ·OH, has been considered. Experimental results showed that the concentration of ozone and OH in the liquid increased with the increase in the inlet ozone concentration and ozone flow. Moreover, a certain degree of reduction in membrane pores was facilitated to intensify the mass transfer of ozone. The increase of pressure was able to raise the concentration of ozone. However, there was a slight effect on ·OH concentration. As for the temperature, a low-temperature situation was conducive to strengthen ozone dissolution. In terms of the generation of ·OH, a high-temperature situation was a better favorable environment. In order to evaluate the performance of the reactor system, three treatment processes (CM/O3, CM alone and O3 alone) were compared to treat ROC. In the CM/O3 system, the final removal efficiency of Chemical Oxygen Demand (COD) was 81.9%, and the final removal efficiency of Total Organic Carbon (TOC) was 62.6%.","PeriodicalId":19580,"journal":{"name":"Ozone: Science & Engineering","volume":"29 1","pages":"372 - 383"},"PeriodicalIF":2.7,"publicationDate":"2021-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88135270","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 Magnetic Field on Multi-parameters of Needle Plate DBD Ozone Generator 磁场对针板式DBD臭氧发生器多参数的影响

IF 2.7 4区环境科学与生态学

Ozone: Science & Engineering Pub Date : 2021-08-04 DOI: 10.1080/01919512.2021.1960146

Shukai Sun, Ying Chen, P. Yuan, Longsheng Xu, Yafang Zhang, Linsheng Wei

{"title":"Effect of Magnetic Field on Multi-parameters of Needle Plate DBD Ozone Generator","authors":"Shukai Sun, Ying Chen, P. Yuan, Longsheng Xu, Yafang Zhang, Linsheng Wei","doi":"10.1080/01919512.2021.1960146","DOIUrl":"https://doi.org/10.1080/01919512.2021.1960146","url":null,"abstract":"ABSTRACT The oxidation of ozone is very strong, and the products of oxidative decomposition will not cause secondary pollution, so the ozone has become widely used. Dielectric barrier discharge (DBD) is the main method of ozone generation. In recent years, the addition of outfield in the DBD is used to improve ozone generation. In this paper, a needle-plate DBD ozone generator with magnetic field enhanced was designed and manufactured. The authors found the magnetic field could significantly increase the number and amplitude of current pulses, discharge current and the discharge power. The magnetic field did not change the initial discharge voltage. With the discharge voltage increased, the enhancement of magnetic field on ozone concentration was more obvious while on ozone yield was very small. The maximum increment of ozone concentration was 35.4%. With the discharge frequency increased, the magnetic field had a more positive impact on the ozone concentration. And with the same gas flow rate increased, the ozone concentration was increased by the magnetic field. Keeping the SIE constant, the ozone concentration and ozone yield at higher discharge frequency was lower than those at lower discharge frequency. With the increase of SIE, the enhancement effect of magnetic field on ozone concentration would increase.","PeriodicalId":19580,"journal":{"name":"Ozone: Science & Engineering","volume":"475 1","pages":"384 - 397"},"PeriodicalIF":2.7,"publicationDate":"2021-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79934509","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

Detection of Cryptosporidium Parvum Oocysts in Artificially Contaminated Filter Backwash Water and Ozone Treatment at Pilot Scale 人工污染滤池反冲洗水中细小隐孢子虫卵囊的检测及臭氧中试处理

IF 2.7 4区环境科学与生态学

Ozone: Science & Engineering Pub Date : 2021-08-02 DOI: 10.1080/01919512.2021.1960148

A. P. Ogura, L. P. Sabogal-Paz

{"title":"Detection of Cryptosporidium Parvum Oocysts in Artificially Contaminated Filter Backwash Water and Ozone Treatment at Pilot Scale","authors":"A. P. Ogura, L. P. Sabogal-Paz","doi":"10.1080/01919512.2021.1960148","DOIUrl":"https://doi.org/10.1080/01919512.2021.1960148","url":null,"abstract":"ABSTRACT Waterborne diseases are a relevant concern for public health systems since commonly applied treatment techniques may not remove all water contaminants. Cryptosporidium spp. oocysts are an issue in water treatment plants due to their reduced size and resistance to the disinfection process (e.g., chlorination). Moreover, oocysts retained on the filter media might recirculate amongst the filter backwash water (FBW). This study aimed to detect Cryptosporidium parvum oocysts artificially inoculated on the FBW and evaluate the ozone treatment performance. A synthetic FBW underwent three concentration methods followed by immunomagnetic separation: calcium carbonate flocculation, direct centrifugation, and direct centrifugation with the 7X ICN dispersion solution. The latter method was selected as it presented less interference on oocyst viability (37.2% reduction) and higher recovery (22.1%) on preliminary assays. The recovery for the commercial suspensions was 15.4 ± 3.3%, although the analytical quality performed with EasySeed® suspension obtained a recovery of 2.8 ± 0.8%. These limitations and methodologies for protozoan detection are challenging due to low recoveries, especially in complex matrices. Finally, FBW ozonation was performed on a pilot scale, and the propidium iodide dye indicated oocyst viability decreased after treatment. Oocyst inactivation was 2.83 log and 3.44 log for dosages of 7.5 mg O3 L−1 for 10 min (i.e., 75 mg min L−1) and 10 mg O3 L−1 for 5 min (i.e., 50 mg min L−1), respectively. Disinfection is a crucial pathway for addressing outbreak scenarios, and ozone treatment should be further studied. Graphical abstract","PeriodicalId":19580,"journal":{"name":"Ozone: Science & Engineering","volume":"86 1","pages":"426 - 437"},"PeriodicalIF":2.7,"publicationDate":"2021-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84003169","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