细菌快速氧化新疆地浸采铀吸附尾液中Fe2+现场扩大试验研究
作者:
魏小辉;王清良;雷治武;胡鄂明;王红强;...
期刊:
矿产保护与利用 ,2020年40(4):9-16 ISSN:1001-0076
作者机构:
南华大学资源环境与安全工程学院;[李鹏; 徐益群; 李德; 于长贵] 新疆中核天山铀业有限公司;[赵建飞; 魏小辉; 胡鄂明; 雷治武; 王清良; 王红强] 南华大学
关键词:
地浸采铀;生物反应器;耐冷嗜酸硫杆菌;亚铁氧化
摘要:
为了节省酸法浸铀过程中氧化剂用量,以多孔耐酸陶粒作载体固定耐冷嗜酸硫杆菌,在新疆某酸法地浸采铀矿山构建了高7.0 m、内径2.0 m、总容积17.8 m^3的新型高效生物反应器,进行快速氧化地浸采铀吸附尾液中Fe^2+扩大试验研究。研究结果表明,在现场温度为5~24℃、吸附尾液中Fe^2+浓度为200~300 mg/L、通气量为59.0 m^3/h时,生物反应器的最大流量可达28.2 m^3/h,Eh(氧化还原电位)大于570 mV,尾液中Fe^2+在低温环境下可被快速完全氧化。该试验结果为细菌代替氧化剂氧化吸附尾液中Fe^2+的拓展应用提供了借鉴意义。
语种:
中文
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超声波与化学方法协同去除铀矿冶设备表面放射性污染研究
作者:
王红强;胡鄂明;王清良;金圣;刘宇;...
期刊:
南华大学学报(自然科学版) ,2019年33(4):1-5 ISSN:1673-0062
作者机构:
南华大学资源环境与安全工程学院;[胡锦明] 中核二七二铀业有限责任公司;南华大学土木工程学院;[陈宽; 刘宇; 周耀辉; 胡鄂明; 王清良; 王红强; 金圣] 南华大学
关键词:
超声波;化学方法;协同去除;放射性污染;铀矿冶
摘要:
核设施中的设备在运行过程中会受到不同程度的放射性污染,因此,需要对污染的设备进行去污处理。采用超声波与化学方法协同去除聚氯乙烯(PVC)板、有机玻璃、不锈钢和橡胶等几种核设施常用材质表面放射性污染,并考察了去污时间、硝酸质量分数、清洗温度和有无超声波辅助等因素对去污效果的影响,研究结果表明:延长去污时间、增加硝酸质量分数、提高清洗温度和超声波辅助均能有效提高去污效果,该结果对于核设施表面放射性污染的去污具有重要的指导意义。
语种:
中文
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Monte Carlo method for determining radon diffusion coefficients in porous media
作者:
Feng, Sheng-yang* ;Wang, Han-qing;Cui, Yu;Ye, Yong-jun;Li, Xiang-yang;...
期刊:
Radiation Measurements ,2019年126:106130 ISSN:1350-4487
通讯作者:
Feng, Sheng-yang
作者机构:
[Cui, Yu; Yang, Rong; Ye, Yong-jun; Feng, Sheng-yang; Li, Xiang-yang] Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.;[Feng, Sheng-yang; Li, Xiang-yang] Hunan Prov Engn Technol Res Ctr Uranium Tailings, Hengyang 421001, Peoples R China.;[Wang, Han-qing; Xie, Dong] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.;[He, Zheng-zhong] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.
通讯机构:
[Feng, Sheng-yang] U;Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.
关键词:
Fractal theory;Monte Carlo method;Porous media;Radon diffusion coefficient
摘要:
Radon diffusivity is a key parameter for estimating radon emanation from porous media. We have developed a Monte Carlo method for determining radon diffusion coefficients in porous media. In the proposed method, the probability model for pore diameter derived from fractal theory is used to describe the microscopic pore structure of porous media. The Monte Carlo technique is utilized to search for the pore size that satisfies the probability model for porous media. The convergence rate of the proposed is fast (∼3 min). Radon diffusion coefficients measured by the closed chamber method are used to validate the accuracy of the proposed method. © 2019 Elsevier Ltd
语种:
英文
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硝酸介质中铀矿冶设备表面放射性污染的规律
作者:
刘宇;王清良;王红强;胡鄂明;苟浩然
期刊:
核化学与放射化学 ,2019年41(3):304-310 ISSN:0253-9950
通讯作者:
Wang, Q.-L.
作者机构:
[刘宇; 王清良; 王红强; 胡鄂明; 苟浩然] School of Resource Environment and Safety Engineering, University of South China, Hengyang, 421001, China
通讯机构:
School of Resource Environment and Safety Engineering, University of South China, Hengyang, China
关键词:
铀;表面活度;污染规律
摘要:
为了掌握铀矿冶生产实践中常用设备材质经放射性污染后表面活度的变化规律,研究了不锈钢、有机玻璃、橡胶3种材质经不同浓度的硝酸铀酰溶液连续浸泡26 d后,样品表面活度、表面形貌及铀的存在形式等变化特征。结果表明:在26 d内,当铀溶液质量浓度为10.22 mg/L时,3种材质表面活度随浸泡时间增加变化不显著,当溶液铀质量浓度分别为563.58 mg/L、25.54 g/L时,各材质表面活度值均随浸泡时间增加逐渐增大。此外,3种材质表面活度从大到小依次是橡胶>不锈钢>有机玻璃。样品表面活度的增加主要是由于样品被腐蚀,导致铀在样品表面的附着沉积引起,并且表面的铀主要以UO_2(NO_3)_2·6H_2O及少量UO_3的形式存在。
语种:
中文
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新工科背景下工科院校学生创新能力培养探究
作者:
王红强;李向阳
期刊:
文学教育(中) ,2018年(23):68-69 ISSN:1672-3996
作者机构:
南华大学环境与安全工程学院;[王红强; 李向阳] 南华大学
关键词:
新工科;创新能力;工科院校
摘要:
以"新工科"建设为契机,落实以学生为主体的理念,加强学科渗透、文理交叉,依托校企深度合作,构建实习实训平台,优化人才培养方案,培养学生的创新能力、工程实践能力和人文素养,为企业输送具有较强行业背景知识、工程实践能力、胜任行业发展需求的应用型和技术技能型人才.
语种:
中文
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“新工科”背景下提高工科学生实验动手能力的对策
作者:
王红强;李向阳
期刊:
才智(才情斋) ,2018年(27):158-158 ISSN:1673-0208
作者机构:
南华大学环境与安全工程学院;[王红强; 李向阳] 南华大学
关键词:
“新工科”;实验动手能力;工科学生
摘要:
为了适应"新工科"建设的需要,高校要通过积极改变传统实验教学模式、加强校企合作强化教师实践能力、加大实验室开放力度和完善实验考核方式等措施来提升实验教学水平,从而提高学生的实验动手能力,以满足当今社会对实用创新人才的需求.
语种:
中文
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Efficient cleaning of cyanobacterial blooms using flocculants made of modified waterwork sludges
作者:
Wang, Hongqiang;Zhang, Lieyu*
期刊:
Environmental Chemistry Letters ,2018年16(1):265-273 ISSN:1610-3653
通讯作者:
Zhang, Lieyu
作者机构:
[Wang, Hongqiang] Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.;[Zhang, Lieyu] Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China.
通讯机构:
[Zhang, Lieyu] C;Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China.
关键词:
Modified waterworks sludge flocculants;Microcystis aeruginosa;Eutrophic water remediation;Removal of Microcystis blooms;Hydrochloric acid
摘要:
Cyanobacteria are freshwater microorganisms that can bloom and produce toxins that contaminate water. There is thus a need for methods to remove cyanobacteria, by flocculation for instance. Here, we prepared new flocculants by modifying waterwork sewage sludge. Flocculant (A) or (B) were prepared by treating 3 g of preprocessed sludge in hydrochloric acid and heating at 200 or 250 A degrees C for 3.0 h. Flocculant (A) and (B) were used to remove Microcystis aeruginosa colonies by adding 0.75 mL of flocculant to 100 mL of algal culture and incubating for 8 h. Results show removal efficiencies of 72 and 91%, respectively. Total nitrogen was reduced by 30 and 12%. Total phosphorus was reduced by 75 and 76%. Chlorophyll fluorescence showed that cyanobacterial cells were removed without damaging the membrane integrity. Overall, findings show that modified waterworks sludge flocculants have good potential for the control of algal blooms, the removal of total nitrogen and total phosphorus and the restoration of aquatic ecosystems.
语种:
英文
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耐冷嗜酸硫杆菌快速氧化地浸采铀吸附尾液中Fe~(2+)
作者:
王清良;陈鹏;胡鄂明;李乾;王红强;...
期刊:
化工进展 ,2018年37(10):3995-4005 ISSN:1000-6613
通讯作者:
Wang, Qingliang(nhwql@sina.com)
作者机构:
[王清良; 陈鹏; 胡鄂明; 李乾] Nuclear Resources Engineering College, University of South China, Hengyang;Hunan;421001, China;Coorperative Innovation Center of Hunan Province for Nuclear Fuel Cycle Technology & Equipment, Hengyang;[王红强] Environmental and Safety Engineering College, University of south China, Hengyang
关键词:
耐冷嗜酸硫杆菌;生物反应器;生物陶粒;地浸采铀;氧化剂;吸附尾液
摘要:
为解决中温菌在低温吸附尾液中作氧化剂时生长繁殖慢、氧化Fe~(2+)速率低等问题,实验结合新疆某酸法地浸采铀现场生产实际,选取耐冷嗜酸硫杆菌作为氧化剂,以生物陶粒为挂膜载体,在生物反应器内对细菌进行固定化培养,研究了细菌快速氧化吸附尾液中Fe~(2+)规律.实验结果表明,选用的生物陶粒具有高孔隙率、高透水性、高吸附性和高比表面积等特点,对细菌有较好的吸附固着效果,有利于细菌的生长繁殖,提高了细菌氧化Fe~(2+)速率;生物陶粒在pH 1.6~1.7的吸附尾液中具有较强的耐酸性和稳定性;当通气量为20L/h、吸附尾液温度为17~19℃、流量为500L/h时,生物反应器连续氧化Fe~(2+)速率达到0.85g/(L·h);与H_2O_2作氧化剂相比,可以节约费用约72.6%,为实现细菌作氧化剂的工业化应用提供了有力依据.
语种:
中文
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Extraction of pomegranate peel tannins and flocculant for Microcystis aeruginosa removal
作者:
Wang, H. -Q.;Zhang, L. -Y.* ;Cui, Q. -F.
期刊:
International Journal of Environmental Science and Technology ,2018年15(12):2713-2718 ISSN:1735-1472
通讯作者:
Zhang, L. -Y.
作者机构:
[Wang, H. -Q.] Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.;[Zhang, L. -Y.] Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China.;[Cui, Q. -F.] HeBei Univ Architecture, Coll Energy & Environm Engn, Zhangjiakou 075000, Peoples R China.
通讯机构:
[Zhang, L. -Y.] C;Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China.
关键词:
Acetone;Bacteria;Efficiency;Extraction;Flocculation;Losses;Solutions;Tannins;Cyanobacteria blooms;Extraction temperatures;Flocculant;Flocculating agents;Microcystis aeruginosa;Optimal conditions;Preparation conditions;Removal efficiencies;Flavonoids;acetone;aqueous solution;cell component;concentration (composition);crop residue;cyanobacterium;extraction method;flocculation;pollutant removal;tannin;temperature effect;Cyanobacteria;Lythraceae;Microcystis aeruginosa
摘要:
Cyanobacteria blooms have received increasing attention due to their role in causing serious economic losses and endangering human health, leading to illnesses or even death. Thus, their removal by effective means is very important. A new botanical flocculating agent, tannin, was prepared from pomegranate peel. The influence factor of pomegranate peel tannin on Microcystis aeruginosa removal, including volume fraction of acetone aqueous solution, ratios of material to solvent, extraction temperature, extraction time and the addition of pomegranate peel tannin, was also investigated to determine the best preparation condition. Under the optimal conditions, the removal efficiency of pomegranate peel tannin flocculant on M. aeruginosa cells was 94.22%, and the removal efficiency of the same concentration chemical tannin on M. aeruginosa cells was 95.95%. According to these results, tannin could effectively flocculate and remove M. aeruginosa cells. © 2018, Islamic Azad University (IAU).
语种:
英文
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PREPARATION OF HYDROGEL BEADS BASED ON SODIUM ALGINATE AND AQUEOUS EXTRACT FROM POMEGRANATE PEEL AND ITS CYANOBACTERIA REMOVAL PERFORMANCE
作者:
Wang, Hongqiang;Zhang, Lieyu*
期刊:
ENVIRONMENT PROTECTION ENGINEERING ,2018年44(2):159-167 ISSN:0324-8828
通讯作者:
Zhang, Lieyu
作者机构:
[Wang, Hongqiang] Univ South China, Sch Environm & Safety Engn, Changsheng West Rd, Hengyang City 421001, Hunan, Peoples R China.;[Zhang, Lieyu] Chinese Res Inst Environm Sci, Lab Water Environm Syst Engn, Dayangfang Beiyuan Rd 8, Beijing 100012, Peoples R China.
通讯机构:
[Zhang, Lieyu] C;Chinese Res Inst Environm Sci, Lab Water Environm Syst Engn, Dayangfang Beiyuan Rd 8, Beijing 100012, Peoples R China.
摘要:
In recent years, harmful cyanobacterial blooms frequently occurred all over the world, causing great damage to ecosystems, fishery resources, and recreational facilities. Therefore, the removal of harmful cyanobacterial blooms is a crucial step for the maintenance of safe water supplies and for the safety of aquatic products. Hydrogel beads based on sodium alginate and an aqueous extract from pomegranate peel were prepared, and used for removing Microcystin aeruginosa. The removal efficiencies of hydrogel beads to M. Aeruginosa and the factors affecting its removal from solutions (the ratio of material to solvent, the dosage of hydrogel beads, and the density of M. Aeruginosa cells) were investigated. The optimum ratio of material to solvent, the dosage of hydrogel beads and the density of M aeruginosa cells were 0.03 g/cm, 100 g/dm and less than 8.68 106 cells/cm, respectively. When the density of M. Aeruginosa cells was below 8.68 106cells/cm, the removal efficiency of cyanobac-teria was above 99.21% at the dose of 100 g/dm. The pomegranate peel and sodium alginate, as natural materials, were safe and innocuous, providing simple operation, low cost and high availability. Therefore, the hydrogel beads offer favorable characteristics in M. Aeruginosa removal. © 2018 Technical University of Wroclaw. All rights reserved.
语种:
英文
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“新工科”背景下工科院校实践教学改革的思考
作者:
王红强;李向阳
期刊:
教育现代化 ,2018年(36):130-131 ISSN:2095-8420
作者机构:
南华大学 环境与安全工程学院,湖南 衡阳;[王红强; 李向阳] 南华大学
关键词:
新工科;实践教学;工科学生
摘要:
当今世界正在进行新一轮的科技革命和产业变革,为了积极应对这一行业革命性变革,推动创新驱动发展,我国适时提出了"新工科"建设。为了适应"新工科"建设的需要,工科院校要通过优化实践阶段培养方案,校企深层次合作构建教育、培训、研发一体的共享型协同育人实践平台,改革实践环节考核评价机制等方面进行实践教学改革,培养出适应社会需求的工科创新人才。打造与社会主义市场经济发展相适应的工程教育"新质量",推动我国从高等工程教育大国走向工程教育强国。
语种:
中文
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Modified water treatment residual as flocculant for Microcystis aeruginosa removal and water purification
作者:
Wang, H-Q.;Zhang, L-Y.* ;Fang, X-M;Zhang, A-N.
期刊:
International Journal of Environmental Science and Technology ,2017年14(11):2543-2550 ISSN:1735-1472
通讯作者:
Zhang, L-Y.
作者机构:
[Wang, H-Q.] Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.;[Zhang, L-Y.] Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China.;[Fang, X-M; Zhang, A-N.] Henan Univ Urban Construct, Sch Municipal & Environm Engn, Pingdingshan 467036, Peoples R China.
通讯机构:
[Zhang, L-Y.] C;Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China.
关键词:
Bacteria;Flocculation;Hydrochloric acid;Purification;Water treatment plants;Flocculant;Microcystis aeruginosa;Orthogonal design;Water purification;Water treatment residuals;Water treatment;cyanobacterium;design;efficiency measurement;flocculation;hydrochloric acid;optimization;pollutant removal;purification;retention;temperature;water treatment;Microcystis aeruginosa
摘要:
Based on previous research, muriatic modification parameters (including the volume of hydrochloric acid, modification temperature and reaction time) were optimized by L9 (33) orthogonal design using the removal efficiency of unicellular M. aeruginosa as an index. The results showed that the optimized modification conditions consisted of a hydrochloric acid volume of 4mL, a modification temperature of 200°C and a reaction time of 3h. Under the above conditions, the removal rate for unicellular and colonial M. aeruginosa was 89.26 and 75.53%, respectively. In addition, the flocculation process caused no cell damage, and the cells remained intact after use of the modified water treatment residuals (WTRs) flocculant. TP and TN in water were reduced by 63.37 and 19.03%, respectively. Therefore, the modified WTR flocculant was a technically viable method to remove unicellular and colonial M. aeruginosa. © 2017, Islamic Azad University (IAU).
语种:
英文
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COMPOSITION OF THE ETHYL ACETATE EXTRACTS FROM PORTULACA OLERACEA AND DETERMINATION OF THEIR ANTIALGAL ACTIVITY
作者:
Liang, Feng;Wang, Hongqiang*
期刊:
Fresenius Environmental Bulletin ,2017年26(12):7101-7104 ISSN:1018-4619
通讯作者:
Wang, Hongqiang
作者机构:
[Liang, Feng] Henan Univ Urban Construct, Sch Municipal & Environm Engn, Pingdingshan 467036, Henan, Peoples R China.;[Wang, Hongqiang] Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.
通讯机构:
[Wang, Hongqiang] U;Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.
关键词:
Algae;Allelopathic activity;Fatty acid;Portulaca oleracea
摘要:
In order to identify these allelochemicals of ethyl acetate extracts from Portulacaceae and seeds, the chemical components of the extracts were analyzed by gas chromatography-mass spectrometry (GC-MS). The algal inhibitory effects of the extracts were determined by bioassays using Microcystis aeruginosa. 15 kinds of compounds, including fatty acid, ester, ketone, sterol were obtained and 8 identified fatty acids and N-phenyl-2-Naphthalenamine were found to be significantly active against some harmful algae. The inhibitory ratios of the ethyl acetate extracts for M. aeruginosa were 56.1% and 49.4% when the algae were exposed to 20.0 mg/L of the extracts, respectively. The results suggested that these ethyl acetate extracts from Portulacaceae and seeds may serve as environmentally friendly agents for controlling the growth of M. aeruginosa. © by PSP.
语种:
英文
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CYANOBACTERIA BLOOM MITIGATION USING CALCIUM HYDROXIDE AND AN ILLITE COMPOSITE ALGICIDE
作者:
Wang, Hongqiang;Zhang, Anna;Zhang, Lieyu*
期刊:
Fresenius Environmental Bulletin ,2017年26(12A):186-190 ISSN:1018-4619
通讯作者:
Zhang, Lieyu
作者机构:
[Wang, Hongqiang] Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.;[Zhang, Lieyu] Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China.;[Zhang, Anna] Tianjin Chengjian Univ, Sch Environm & Municipal Engn, Tianjin 300384, Peoples R China.
通讯机构:
[Zhang, Lieyu] C;Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China.
关键词:
Calcium hydroxide;Colonial m. aeruginosa;Cyanobacteria blooms;Illite;Unicellular m. aeruginosa
摘要:
A method was developed for cyanobacteria bloom (unicellular and colonial Microcystis aeruginosa) mitigation using calcium hydroxide and an illite composite algicide. The maximum cell removal efficiency was 84.72% when calcium hydroxide was used alone. When illite and calcium hydroxide were used together, the removal efficiency increased to 90.43% within 9 h. In addition, the results also showed that the composite algicide could remove total nitrogen (TN) and total phosphorus (TP) in eutrophic water. However, the removal efficiency of TP is more evident than that of TN under the same composite algicide doses. Thus, the method would provide an alternative composite algicide to mitigate cyanobacteria blooms using calcium hydroxide and illite in eutrophic water. © by PSP.
语种:
英文
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REMOVAL OF MICROCYSTIS AERUGINOSA BY CHITOSAN AND ILLITE
作者:
Wang, H. Q.;Zhang, L. Y.*
期刊:
VIE ET MILIEU-LIFE AND ENVIRONMENT ,2017年67(3-4):173-177 ISSN:0240-8759
通讯作者:
Zhang, L. Y.
作者机构:
[Wang, H. Q.] Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.;[Zhang, L. Y.] Chinese Res Inst Environm Sci, Lab Water Environm Syst Engn, Beijing 100012, Peoples R China.
通讯机构:
[Zhang, L. Y.] C;Chinese Res Inst Environm Sci, Lab Water Environm Syst Engn, Beijing 100012, Peoples R China.
关键词:
Chitosan;Cyanobacteria;Illite;Microcystis aeruginosa
摘要:
In recent years, massive water blooms of cyanobacteria occurred in many freshwater lakes and reservoirs, and cause severe water quality problems including scum formation, toxin production, taste and odors, and hypoxia generation. Therefore, a new environmental friendly method was proposed for cyanobacterial bloom mitigation using chitosan and illite. The effects of particle size of illite, addition of illite, addition of chitosan on Microcystis aeruginosa removal was examined through batch experiments. The results showed that the removal efficiency of cyanobacteria had a strong dependence on the changes of particle size of illite, addition of illite, addition of chitosan. The highest removal efficiency, 97.42 %, was obtained under the optimal conditions. This study demonstrated that there were technically viable methods using chitosan and illite to remove M. Aeruginosa cells. © 2017 Universite de Paris VI (Pierre et Marie Curie). All rights reserved.
语种:
英文
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PREPARATION OF SODIUM ALGINATE/ GRAPHENE OXIDE /GALLIC ACID COMPLEX GEL BEADS AND THEIR ALGAE REMOVAL PERFORMANCE
作者:
Xiong, Ying;Wang, Hongqiang;Zhang, Lieyu* ;Wang, Lei;Che, Wu
期刊:
Fresenius Environmental Bulletin ,2017年26(4):2925-2929 ISSN:1018-4619
通讯作者:
Zhang, Lieyu
作者机构:
[Xiong, Ying; Che, Wu] Beijing Univ Civil Engn & Architecture, Key Lab Urban Stormwater Syst & Water Environm, Minist Educ, Beijing 100044, Peoples R China.;[Wang, Hongqiang] Univ South China, Coll Environm Protect & Safety Engn, Hengyang 421001, Peoples R China.;[Wang, Lei; Zhang, Lieyu] Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China.
通讯机构:
[Zhang, Lieyu] C;Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China.
关键词:
sodium alginate;graphene oxide;gallic acid;gel bead;Microcystis aeruginosa
摘要:
Sodium alginate / graphene oxide/ gallic acid (SA/GO/GA) complex gel beads were prepared and were characterized. Removal efficiency of algae onto SA/GO/GA complex gel beads were investigated with different GO and GA content. The results showed that the removal efficiency of algae from aqueous solutions using SA gel beads were very low, but introduction of GO and GA of complex gel beads could sharply increase the removal efficiency of algae onto by 3 times. The amounts of SA/ GO/GA complex gel beads have significant effect on removal of algae. In addition, for the density algae in the range of 2.17-17.36 cells/mL, there was a linear relation between the removal efficiency of algae and the density algae. This stoichiometric linear relation has directed significance to engineering application in eutrophic waters.
语种:
英文
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壳聚糖-粉煤灰蒸压砖粉末-化感物质复合除藻剂对铜绿微囊藻去除效能的研究
作者:
王红强;李夏;张列宇
期刊:
安全与环境工程 ,2017年24(5):55-59 ISSN:1671-1556
作者机构:
南华大学环境与安全工程学院;[李夏] 平顶山市环境监测中心站;[张列宇] 中国环境科学研究院;[王红强] 南华大学
关键词:
粉煤灰蒸压砖粉末;铜绿微囊藻;复合除藻剂;壳聚糖;化感物质
摘要:
利用建筑垃圾粉煤灰蒸压砖粉末与壳聚糖、化感物质(N-苯基-1-萘胺和N-苯基-2-萘胺)混合制备复合除藻剂用于去除铜绿微囊藻,考察各种物质的最佳投加量对藻细胞去除率的影响.试验结果表明:在最优条件下,复合除藻剂对铜绿微囊藻的去除率达99%以上.该复合除藻剂对景观水的治理具有指导意义.
语种:
中文
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