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Online since: July 2011
Authors: Chuan Feng Deng, Bin Li, Wei Fang Ma, Fan Gang Zeng, Hai Tao Fan, Hui Wang
Optimization of Chemical Phosphorous Removal Medicament
Hui Wang1,a, Bin Li1,a, Weifang Ma2,a, Fangang Zeng1,a*, Haitao Fan1,a and Chuanfeng Deng1,a
1School of Environment and Natural Resources, Renmin Unviersity of China, Beijing 100872, P.R.China ,
2Beijing Association of Sustainable Development, Beijing 100084, P.R.China
aE-mail:zengfg@ruc.edu.cn
*Corresponding author: Professor, mainly engaged in environmental monitoring
Key words: chemical phosphorus removal; coagulant; coagulation tests; removal rate
Abstract: This paper takes the urban sewage as treatment target, analyses chemical phosphorous removal effect of PFS, PAC, PAFSI, PAFC and the PAFC which is used by Wu Family Village sewage treatment plant.
Materials and Methods Medicament.The selected medicaments are particularly shown in Table 1: Table 1 Medicament Name Grade Content Remarks PFS Industrial grade Fe2O3 content is ≥24.40% Deployed to 1% mass fraction solution for backup PAC Industrial grade Al2O3 content is ≥29.05% Deployed to 1% mass fraction solution for backup PAFSI Industrial grade Fe2O3 content is ≥1.54%;Al2O3 content is ≥18.30% Deployed to 1% mass fraction solution for backup PAFC Industrial grade Fe2O3 content is ≥2.46%;Al2O3 content is ≥23.60% Deployed to 1% mass fraction solution for backup PAFC used by Wu Family village sewage treatment plant Industrial grade Fe2O3 content is ≥3.94%;Al2O3 content is ≥2.36% — Hydrochloric acid Analytically pure — 36.5% concentrated hydrochloric acid diluted 1+5 NaOH Analytically pure — Deployed to 5% mass fraction solution for backup Test Conditions.Coagulation tests are proceed by MY3000-6A type Six-combinational coagulation test stir instrument.
World Water and Environmental Engineering, 1995, 20(6): 9-15
MUNICIPAL ENGINEERING TECHNOLOGY, 2006, (4): 231-233.
Materials and Methods Medicament.The selected medicaments are particularly shown in Table 1: Table 1 Medicament Name Grade Content Remarks PFS Industrial grade Fe2O3 content is ≥24.40% Deployed to 1% mass fraction solution for backup PAC Industrial grade Al2O3 content is ≥29.05% Deployed to 1% mass fraction solution for backup PAFSI Industrial grade Fe2O3 content is ≥1.54%;Al2O3 content is ≥18.30% Deployed to 1% mass fraction solution for backup PAFC Industrial grade Fe2O3 content is ≥2.46%;Al2O3 content is ≥23.60% Deployed to 1% mass fraction solution for backup PAFC used by Wu Family village sewage treatment plant Industrial grade Fe2O3 content is ≥3.94%;Al2O3 content is ≥2.36% — Hydrochloric acid Analytically pure — 36.5% concentrated hydrochloric acid diluted 1+5 NaOH Analytically pure — Deployed to 5% mass fraction solution for backup Test Conditions.Coagulation tests are proceed by MY3000-6A type Six-combinational coagulation test stir instrument.
World Water and Environmental Engineering, 1995, 20(6): 9-15
MUNICIPAL ENGINEERING TECHNOLOGY, 2006, (4): 231-233.
Online since: October 2011
Authors: Wen Chao Liao, Dai Lin Li, Su Xu, Bin Yan, Ji Ti Zhou
Department of Environmental Engineering, Xiamen University of Technology, Xiamen, 361024, P.R.
Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, P.R.
Materials and Methods Chemicals.
Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, P.R.
Materials and Methods Chemicals.
Online since: November 2011
Authors: Li Jiao Zhou, Qi Yuan Chen, Zhou Lan Yin, Zheng Ping Wu
Reactive ability and bong strength analysis on Al(OH)3 crystals with three different crystalline
Zhengping Wu1, 2, a, Lijiao Zhou2, b, Qiyuan Chen2, c and Zhoulan Yin2, d
1 Postdoctoral Exchange Center of Chemical Engineering and Technology, Central South University, Changsha 410083, China
2 College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
awzp@csu.edu.cn, bzhoulijiao3@126.com, ccqy@csu.edu.cn, dyzllxh@gmail.com
Keywords: Al(OH)3, DFT, total energy, electronic structure, population analysis
Abstract.
Crystallization of Al(OH) 3 from supersaturated sodium aluminate solution is the key working procedure in production process of alumina, and the quality of Al(OH)3 has a direct effect on particle size and strength of alumina[1].
Walker: Solid State and Materials Science Vol. 1 (1996), p. 506 [10] C.
Crystallization of Al(OH) 3 from supersaturated sodium aluminate solution is the key working procedure in production process of alumina, and the quality of Al(OH)3 has a direct effect on particle size and strength of alumina[1].
Walker: Solid State and Materials Science Vol. 1 (1996), p. 506 [10] C.
Online since: January 2024
Authors: Enna Hasna Ainun Nuurul Ma'rifah, Salman Al Farisi, Agus Supriyanto, Windhu Griyasti Suci, Agus Purwanto, Harry Kasuma Kiwi Aliwarga
An Efficient Hybrid Energy Smart System Using Lithium Ion Batteries Integrated with Battery Management System
Enna Hasna Ainun Nuurul Ma’rifah1,a, Salman Al Farisi2,b, Harry Kasuma (Kiwi) Aliwarga4,c, Agus Supriyanto1,e, Agus Purwanto2,5,e, Windhu Griyasti Suci2,3*
1Department of Physics, Sebelas Maret University, Surakarta, Central Java, Indonesia
2Centre of Excellence for Electrical Energy Storage Technology, Sebelas Maret University, Surakarta, Central Java, Indonesia
3Vocational School, Sebelas Maret University, Surakarta, Central Java, Indonesia
4UMG Idealab Indonesia, South Jakarta, Indonesia
5Department of Chemical Engineering, Sebelas Maret University, Surakarta, Central Java, Indonesia
aennahasna27@gmail.com, balfarisislmn@gmail.com, ckiwi.aliwarga@umgroups.com, dagusf22@staff.uns.ac.id, eaguspurwanto@staff.uns.ac.id, fwindhugriya@staff.uns.ac.id
Keywords: Battery lithium-ion, Battery management system, Photovoltaic, Power
Abstract.
One of them is the installation of a solar power plant in the Faculty of Engineering canteen at the University of Indonesia [9], as well as the assessment of a hybrid solar power plant connected to the electrical network at the Bintaro Jakarta office [10].
Materials The study was conducted at the Centre of Excellence for Electrical Energy Storage Technology at Sebelas Maret University in Surakarta, utilizing a 5 kWh solar power plant with the following specifications: Table 1.
Prabaharan, “Demand side management in microgrid: A critical review of key issues and recent trends,” Renew.
One of them is the installation of a solar power plant in the Faculty of Engineering canteen at the University of Indonesia [9], as well as the assessment of a hybrid solar power plant connected to the electrical network at the Bintaro Jakarta office [10].
Materials The study was conducted at the Centre of Excellence for Electrical Energy Storage Technology at Sebelas Maret University in Surakarta, utilizing a 5 kWh solar power plant with the following specifications: Table 1.
Prabaharan, “Demand side management in microgrid: A critical review of key issues and recent trends,” Renew.
Online since: July 2012
Authors: Wen Jing Sun, Lin Yu, Si Lian Yu, Lei Sun, Feng Jie Cui, Yan Zheng Zhou, Qiang Zhou
Kinetic Modeling of 2-Keto-Gluconic Acid (2KGA) Production from Rice Starch Hydrolysate using Pseudomonas fluorescens AR4
Wen-Jing Sun a,b*, Lin Yu a, Si-Lian Yu b, Feng-Jie Cui a,b*,
Yan-Zheng Zhou b, Qiang Zhou b, Lei Sun c
a.School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, P.R.
Introduction 2-Keto-Gluconic acid (2KGA) is attracting interest with the annual production of 50,000–60,000 tonnes worldwide due to its key role as an intermediate for the manufacture of the safe antioxidant erythorbic acid (isoascorbic acid) [1,2]. 2-Keto-gluconic acid is produced from glucose via glucose dehydrogenation to gluconic acid, which is sequentially dehydrogenated to 2-keto-gluconic acid by membrane-bound glucose dehydrogenases and gluconic acid dehydrogenases.
Materials and Methods Microorganism and medium A strain of Pseudomonas fluorescens AR4 was screened and kept in our laboratory [8].
Acknowledgements This work was supported by funding from the Research Foundation for Advanced Talents of Jiangsu University (08JDG029), Leaders of Disciplines and Science Cultivation Program of Jiangxi Province (2008DD00600), Jiangxi Provincial Engineering & Technology Research Center for Food Additives Bio-Production, National Natural Science Foundation of China (NSFC 31101269), Science & Technology Program of Jiangxi Province (2010DQB00800 and No. [2008]147), Science & Technology Platform Construction Program of Jiangxi Province (2010DTZ01900), and Priority Academic Program Development of Jiangsu Higher Education Institutions.
Introduction 2-Keto-Gluconic acid (2KGA) is attracting interest with the annual production of 50,000–60,000 tonnes worldwide due to its key role as an intermediate for the manufacture of the safe antioxidant erythorbic acid (isoascorbic acid) [1,2]. 2-Keto-gluconic acid is produced from glucose via glucose dehydrogenation to gluconic acid, which is sequentially dehydrogenated to 2-keto-gluconic acid by membrane-bound glucose dehydrogenases and gluconic acid dehydrogenases.
Materials and Methods Microorganism and medium A strain of Pseudomonas fluorescens AR4 was screened and kept in our laboratory [8].
Acknowledgements This work was supported by funding from the Research Foundation for Advanced Talents of Jiangsu University (08JDG029), Leaders of Disciplines and Science Cultivation Program of Jiangxi Province (2008DD00600), Jiangxi Provincial Engineering & Technology Research Center for Food Additives Bio-Production, National Natural Science Foundation of China (NSFC 31101269), Science & Technology Program of Jiangxi Province (2010DQB00800 and No. [2008]147), Science & Technology Platform Construction Program of Jiangxi Province (2010DTZ01900), and Priority Academic Program Development of Jiangsu Higher Education Institutions.
Online since: February 2013
Authors: De Fa Sun, Ling Yun Liu, Xiang Hua Tang, Yue Lin Mu, Zun Xi Huang, Jun Jun Li
Influence of Isoamylase Supplementation on Performance and α-Amylase Activities of Broilers Fed Maize-Soybean Meal Diets
Lingyun Liu1,2,a, Defa Sun5,b,Junjun Li1,3,4,Xianghua Tang1,3,4,
Yuelin Mu1,3,4,Zunxi Huang1,3,4,c
1 Engineering Research Center of Sustainable Development and Utilization of Biomass Energy,Ministry of Education, Kunming,Yunnan,650500, China
2 Department of Life Science and Technology,Kunming University, Kunming, Yunnan, 650214,China
3 Key Lab of Yunnan Province for Biomass Energy and Environmental Biotechnology, Kunming,Yunnan,650500, China
4 Enzymatic Resources Development and Application Engineering Research Center of Yunnan,Kunming,Yunnan,650500, China
5 College of animal science and technology, Northwest A&F University,Yangling,Shanxi, 712100,China
aeileen7802@163.com, bdefa.sun@novusint.com, ccorresponding author:huangzunxi@163.com
Keywords: Isoamylase supplementation, Broiler performance, Amylase.
Materials and Methods Birds, Housing, and Diets Seven hundred 1-d-old broiler chicks(Cobb 500) were obtained from a commercial supplier and housed in battery brooders.
Materials and Methods Birds, Housing, and Diets Seven hundred 1-d-old broiler chicks(Cobb 500) were obtained from a commercial supplier and housed in battery brooders.
Online since: November 2012
Authors: Feng Wang, Xiang Dong Qian, Zhi Zhong Tan, De You Liu
Study on Wind Speed Prediction Based on Rbf Neural Network
FengWang1,a ZhizhongTan2,b DeyouLiu2,c and XiangdongQian1,d
1Mechanics and Materials College of Hohai University, Nanjing, China
2Hohai University College of Water Resources and Hydropower, Nanjing, China
awfnj3089@163.com, b52754862@qq.com, cliudyhhuc@163.com, dlcxy@hhu.edu.cn
Keywords: Wind speed prediction, Wind farm, Time series, RBF neural network
Abstract: This paper analyzes the importance of the wind farm wind speed prediction, as well as the different forecasting methods in various fields.
The main factors to affect the wind farm output is the natural wind speed, so future changes of the fast and accurate prediction of wind speed is the key, which can provide an important reference for the grid scheduling.
Master paper of Northeast China Institute of Electric Power Engineering. 2005, pp.9-42
Journal of Hydroelectric Engineering. 2007, 26(1), pp.114-118
The main factors to affect the wind farm output is the natural wind speed, so future changes of the fast and accurate prediction of wind speed is the key, which can provide an important reference for the grid scheduling.
Master paper of Northeast China Institute of Electric Power Engineering. 2005, pp.9-42
Journal of Hydroelectric Engineering. 2007, 26(1), pp.114-118
Online since: December 2012
Authors: Mei Ling Zhang, Yu Li, Chun Lei Liu, Jia Yi Wu
Geological Characteristics of Difficult Reservoirs in Logging Interpretation
Meiling Zhang1, a, Chunlei Liu2,b, Yu Li3,c and Jiayi Wu4,d
1Institute of Geological Sciences, Northeast Petroleum University, Daqing,Heilongjiang, 163318,China
2Institute of Geological Sciences, Northeast Petroleum University, Daqing,Heilongjiang, 163318,China
3Institute of Geological Sciences, Northeast Petroleum University, Daqing,Heilongjiang, 163318,China
4Institute of Geological Sciences, Northeast Petroleum University, Daqing,Heilongjiang, 163318,China
azhangmeilingi8@163.com, b409984785@qq.com, c578937372@qq.com,
d147567033@qq.com
Key words: reservoir-forming rule; high resistivity water layer; ow resistivity oil layer; logging evaluation; Putaohua oil groups;
Abstract: Logging measurement is the comprehensive reflection of solid particles and liquids in formation.
By evaluating the condition of reservoir oil and water distribution with logging materials, they emphasized the important role that log measurement (especially resistivity measurement) plays on the reflection degree of strata fluid properties.
A Recognition Technology of Low Order Faults and Relative Application.Science Technology and Engineering, 2011,11(20):7901-7904.
The Important Role That the Faults Play in Forming the Putaohua Reservoir of the Weixing Oil Field.Science Technology and Engineering, 2010,10(32):7901-7904.
By evaluating the condition of reservoir oil and water distribution with logging materials, they emphasized the important role that log measurement (especially resistivity measurement) plays on the reflection degree of strata fluid properties.
A Recognition Technology of Low Order Faults and Relative Application.Science Technology and Engineering, 2011,11(20):7901-7904.
The Important Role That the Faults Play in Forming the Putaohua Reservoir of the Weixing Oil Field.Science Technology and Engineering, 2010,10(32):7901-7904.
Online since: February 2014
Authors: Li Yang, Qian Li Zhao, Xiao Dong Chai, Xiao Ying Ma
Research on the Regular Between Concentration of superfine powder extinguishing agent explosion scatter and fire-extinguishing ability
YANG Li1, 2,a, ZHAO Qian-li2, b, CHAI Xiao-dong2, c, MA Xiao-ying2, d
1School of Equipment Engineering, Shenyang Ligong University, Shenyang, China
2Shool of Mechanical engineering and automation, Northeastern University, Shenyang, China
ayangli.024@163.com, b ZQL20081841@163.com, c tcd87@163.com,
dmaxiaoying722@163.com
Keywords: fire-extinguishing efficiency; high-rise fire-extinguishing bomb; Gauss point; superfine powder
Abstract.
For putting out high-rise fire, relationship between fire-extinguishing cost and benefit is the key point.
Superfine powder extinguishing agent combines the advantage of chemical and physical suppression together through composite material, which can suppress flame combustion and smother flameless combustion effectively, it can also cover and cool the thermal radiation.
The structure of fire-extinguishing bomb In this simulation process, constitutive model of material and controls parameter were decided at first, LS-DYNA was used to pre-process the simplified model and AUTODYN was used to post-process this model, which solved the problem that it’s difficult in building the model and mesh this model.
For putting out high-rise fire, relationship between fire-extinguishing cost and benefit is the key point.
Superfine powder extinguishing agent combines the advantage of chemical and physical suppression together through composite material, which can suppress flame combustion and smother flameless combustion effectively, it can also cover and cool the thermal radiation.
The structure of fire-extinguishing bomb In this simulation process, constitutive model of material and controls parameter were decided at first, LS-DYNA was used to pre-process the simplified model and AUTODYN was used to post-process this model, which solved the problem that it’s difficult in building the model and mesh this model.
Online since: June 2014
Authors: Yue Jiang
Research on Modes of Recycling and Remanufacturing with
Considering the Carbon Footprint
Yue Jiang 1,a *
1 Department of Management Science, School of Management, Xiamen University, Xiamen 361005
ajiangyuehxg@126.com
Key words: carbon tax, mode of recycling and remanufacturing, remanufacture
Abstract: Three modes of recycling and remanufacturing are discussed when the carbon tax is imposed, the impact of carbon emissions on the mode of recycling and remanufacturing is further analyzed.
The raw materials and manufacturing process of each product are the same as each other, so the carbon emissions of each product in the manufacturing process are the same as each other, we assume that is Ωn.
Computer and Chemical Engineering, 2009, 34( 5):782-789
Computer Aided Chemical Engineering, 2010, (28):139-144
The raw materials and manufacturing process of each product are the same as each other, so the carbon emissions of each product in the manufacturing process are the same as each other, we assume that is Ωn.
Computer and Chemical Engineering, 2009, 34( 5):782-789
Computer Aided Chemical Engineering, 2010, (28):139-144