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Performance evaluation on the pollution control against wet weather overflow based on on-site coagulation

Zongqun Chen, Wei Jin, Hailong Yin, Mengqi Han, Zuxin Xu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1400-z

Abstract: Abstract • A way for overflow control based on on-site coagulation/flocculation was proposed. • CoagulantThe pollution caused by wet weather overflow in urban drainage systems is a main factor causing blackeningThe conventional overflow treatment based on coagulation/flocculation in terminal drainage systems requiresIn addition, the relation of wet weather overflow rate and concentration of pollution load on the on-siteThis work provides scientific guidance to address wet weather overflow in terminal drainage pipes.

Keywords： Wet weather overflow     On-site coagulation/flocculation     Fast removal of particulate pollutants    

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Treatability aspects of urban stormwater stressors

Anthony N. TAFURI, Richard FIELD

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 631-637 doi: 10.1007/s11783-012-0420-0

Abstract: The principal treatment mechanisms of conventional wet ponds, vegetative swales/buffer strips, and wetlands

Keywords： stormwater     wet weather flow     urban runoff    

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Phenolic compounds removal by wet air oxidation based processes

Linbi Zhou, Hongbin Cao, Claude Descorme, Yongbing Xie

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0970-2

Abstract: Wet air oxidation (WAO) and catalytic wet air oxidation (CWAO) are efficient processes to degrade organic

Keywords： Wet air oxidation     Catalytic wet air oxidation     Phenolic compounds     Heterogeneous catalysts     Mechanism    

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Characterization of value-added chemicals derived from the thermal hydrolysis and wet oxidation of sewage

Milan Malhotra, Anurag Garg

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1305-2

Abstract: . • Reaction pathways for thermal hydrolysis and wet oxidation are proposed.., thermal hydrolysis (TH) and wet oxidation (WO) on sewage sludge to promote resource recovery.

Keywords： Hydrothermal pretreatment     Reaction kinetics     Reaction pathway     Sewage sludge     Thermal hydrolysis     Wet oxidation    

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Survey of thermal comfort in residential buildings under natural conditions in hot humid and cold wet

Changhai PENG

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4,   Pages 503-511 doi: 10.1007/s11709-010-0095-1

Abstract: These, however, are often difficult to comply with, particularly in hot humid and cold wet seasons inThe range of acceptable temperatures in hot humid and cold wet Nanjing is between 14.14°C and 29.42°C

Keywords： thermal comfort     naturally conditioned     hot humid     cold wet     Nanjing    

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Quantitative analysis of impact of green stormwater infrastructures on combined sewer overflow control

Jinsong Tao, Zijian Li, Xinlai Peng, Gaoxiang Ying

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0952-4

Abstract: Stimulated by the recent USEPA’s green stormwater infrastructure (GSI) guidance and policies, GSI systems have been widely implemented in the municipal area to control the combined sewer overflows (CSOs), also known as low impact development (LID) approaches. To quantitatively evaluate the performance of GSI systems on CSO and urban flooding control, USEPA-Stormwater Management Model (SWMM) model was adopted in this study to simulate the behaviors of GSI systems in a well-developed urban drainage area, PSW45, under different circumstances. The impact of different percentages of stormwater runoff transported from impervious surfaces to the GSI systems on CSO and urban flooding control has also been investigated. Results show that with current buildup, GSI systems in PSW45 have the best performance for low intensity and short duration events on both volume and peak flow reductions, and have the worst performance for high intensity and long duration events. Since the low intensity and short duration events are dominant from a long-term perspective, utilizing GSI systems is considered as an effective measure of CSO control to meet the long-term control strategy for PSW45 watershed. However, GSI systems are not suitable for the flooding control purpose in PSW45 due to the high occurrence possibility of urban flooding during or after high intensity events where GSI systems have relatively poor performance no matter for a short or long duration event.

Keywords： Green stormwater infrastructure (GSI)     Combined sewer overflows (CSOs)     Urban flooding     Low impact development (LID)     Stormwater Management Model (SWMM)    

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A new method for estimating the longevity and degradation of photovoltaic systems considering weather

Amir AHADI,Hosein HAYATI,Joydeep MITRA,Reza ABBASI-ASL,Kehinde AWODELE

Frontiers in Energy 2016, Volume 10, Issue 3,   Pages 277-285 doi: 10.1007/s11708-016-0400-3

Abstract: The commonly used evaluation techniques usually overlook the four weather states which are clear, cloudyIn this paper, an ovel analytical model of the four weather conditions based on the Markov chain is proposed

Keywords： photovoltaic (PV) systems     solar cell     Markov model     weather effects    

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Structure Analysis, Forecasting and Urgent Measure for Surprised Severe Weather

OuYang Shoucheng,Xie Na,Hao Liping

Strategic Study of CAE 2005, Volume 7, Issue 9,   Pages 9-13

Abstract: storm in Beijing and Shanghai and heavy rain gust in NE Sichuan are analyzed, and the surprised severe weatherThe results showed that the surprised weather can be forecast.

Keywords： blown-ups     structure analysis     surprised severe weather     taking precautions against severe weather    

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of carboxymethyl cellulose on morphology of hydroxyapatite nanoparticles as prepared with one-step wet

Ruiqiang LIU,Rattan LAL

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 804-812 doi: 10.1007/s11783-015-0785-y

Abstract: Nano-sized apatite particles (nAP) synthesized with carboxymethyl cellulose (CMC) have shown great application potentials in in situ heavy metal remediation. However, differences in CMC’s properties effects on the size of nAP produced are not well understood. In this paper, two types of CMC, with respective molecular weights (MW) of ~120000 and ~240000 Dalton or respective polymerization degrees of 500 (CMC-500) and 1050 (CMC-1050), were studied in a concentration range of 0.05%–0.5% (w/w) for nAP synthesis. Morphology of the particles was characterized with transmission electron microscopy (TEM). Results showed that 0.05% CMC-500 solution gave an average particle size of 148.7±134.9 nm, 0.25% CMC-500 solution produced particles of 21.8±20.4 nm, and, 0.5% CMC-500 solution contained particles of 15.8±7.7 nm. In comparison, 0.05% CMC-1050 solution produced nanoparticles of 6.8±3.2 nm, 0.25% CMC-1050 produced smaller nAP of 4.3±3.2 nm, and 0.5% CMC-1050 synthesized the smallest nanoparticles in this study, with an average diameter of 3.0±2.1 nm. Chemical composition of the products was identified with X-ray diffraction (XRD) as pure hydroxyapatite. Interactions between nAP and CMC were discussed with help of attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopic data. This study showed that CMC at higher concentration as well as higher MW facilitated to produce finer nanoparticles, showing that nAP size could be manipulated by selecting appropriate CMC MW and/or applying appropriate CMC concentration.

Keywords： nanotechnology     nanoparticles     apatite     carboxymethyl cellulose (CMC)     particle size    

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Removing ammonia from air with a constant pH, slightly acidic water　spray wet scrubber using recycled

Ahmad Kalbasi Ashtari, Amir M. Samani Majd, Gerald L. Riskowski, Saqib Mukhtar, Lingying Zhao

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0869-3

Abstract: fertilizer Increased air velocity decreased NH removal and increased NH collection Previous research on wetA bench-scale spray wet scrubber treated 20 ppmv NH /air mixture in a countercurrent contact chamber.

Keywords： Ammonia     Spray wet scrubber     Slightly acidic scrubbing solution     Controlled pH     Removal efficiency    

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Influence and hazard of disastrous space weather on power grid in China

liu Lianguang

Strategic Study of CAE 2010, Volume 12, Issue 9,   Pages 29-33

Abstract: Through the analysis, the possible impacts of extreme space weather on the future UHV, large-scale power

Keywords： space weather     magnetic storm     GIC     UHV     power grid safety    

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Preparation of rare-earth metal complex oxide catalysts for catalytic wet air oxidation

LI Ning, LI Guangming, YAO Zhenya, ZHAO Jianfu

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 190-195 doi: 10.1007/s11783-007-0033-1

Abstract: Catalytic wet air oxidation (CWAO) is one of the most promising technologies for pollution abatement.

Keywords： torch-atomic emission     Brunauer     Catalytic     process     stability    

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Status and development of sciences and technology for weather modification

Zheng Guoguang,Guo Xueliang

Strategic Study of CAE 2012, Volume 14, Issue 9,   Pages 20-27

Abstract:

The brief introduction of history, status and development of weatherWith development and progress of human civilization, the sensitivity and vulnerability to weather showSince the creation of modern weather modification in 1946, the strong demands for water resource andrelief of natural disaster induced by severe weather have promoted the rapid development of weather modificationin the past 60 years due to the increased understanding of natural weather process.

Keywords： weather modification     status of science and technology     development trend    

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Exploration and research of space physics and space weather

Wang Chi

Strategic Study of CAE 2008, Volume 10, Issue 6,   Pages 41-45

Abstract: Starting from the early 1990s, space weather is born by applying the fundamentals of space physics toThe space weather study is aimed to investigate and alleviate the disaster effects of solar activitysummary of the history, current status and future direction of the international space physics and space weatherexploration and study, and introduces the suggested space physics and space weather mid-long term development

Keywords： space physics     space weather     space physics exploration     strategic plan    

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Air-side heat transfer and friction characteristics of biofouled evaporator under wet conditions

Hui PU, Guoliang DING, Xiaokui MA, Haitao HU, Yifeng GAO,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 306-312 doi: 10.1007/s11708-009-0067-0

Abstract: The effects of biofouling on air-side heat transfer and friction characteristics under wet conditions

Keywords： finned tube     evaporator     fouling     heat transfer     friction    

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Title Author Date Type Operation

Performance evaluation on the pollution control against wet weather overflow based on on-site coagulation

Zongqun Chen, Wei Jin, Hailong Yin, Mengqi Han, Zuxin Xu

Journal Article

Treatability aspects of urban stormwater stressors

Anthony N. TAFURI, Richard FIELD

Journal Article

Phenolic compounds removal by wet air oxidation based processes

Linbi Zhou, Hongbin Cao, Claude Descorme, Yongbing Xie

Journal Article

Characterization of value-added chemicals derived from the thermal hydrolysis and wet oxidation of sewage

Milan Malhotra, Anurag Garg

Journal Article

Survey of thermal comfort in residential buildings under natural conditions in hot humid and cold wet

Changhai PENG

Journal Article

Quantitative analysis of impact of green stormwater infrastructures on combined sewer overflow control

Jinsong Tao, Zijian Li, Xinlai Peng, Gaoxiang Ying

Journal Article

A new method for estimating the longevity and degradation of photovoltaic systems considering weather

Amir AHADI,Hosein HAYATI,Joydeep MITRA,Reza ABBASI-ASL,Kehinde AWODELE

Journal Article

Structure Analysis, Forecasting and Urgent Measure for Surprised Severe Weather

OuYang Shoucheng,Xie Na,Hao Liping

Journal Article

of carboxymethyl cellulose on morphology of hydroxyapatite nanoparticles as prepared with one-step wet

Ruiqiang LIU,Rattan LAL

Journal Article

Removing ammonia from air with a constant pH, slightly acidic water　spray wet scrubber using recycled

Ahmad Kalbasi Ashtari, Amir M. Samani Majd, Gerald L. Riskowski, Saqib Mukhtar, Lingying Zhao

Journal Article

Influence and hazard of disastrous space weather on power grid in China

liu Lianguang

Journal Article

Preparation of rare-earth metal complex oxide catalysts for catalytic wet air oxidation

LI Ning, LI Guangming, YAO Zhenya, ZHAO Jianfu

Journal Article

Status and development of sciences and technology for weather modification

Zheng Guoguang,Guo Xueliang

Journal Article

Exploration and research of space physics and space weather

Wang Chi

Journal Article

Air-side heat transfer and friction characteristics of biofouled evaporator under wet conditions

Hui PU, Guoliang DING, Xiaokui MA, Haitao HU, Yifeng GAO,

Journal Article