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Removal of non-point pollutants from bridge runoff by a hydrocyclone using natural water head

Jianghua YU, Yeonseok KIM, Youngchul KIM

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 886-895 doi: 10.1007/s11783-012-0449-0

Abstract: hydrocyclone using natural water head provided by bridge was operated for the treatment of stormwater runoffThe analysis of the water budget indicated that around 13% of the total runoff was captured by the hydrocycloneas a first flush, and this runoff was separated as underflow and overflow with the respective percentageThe pollutants budget was also examined based on a mass balance.first flush as solids-concentrated underflow and solids-absent overflow, and effectively reduced the runoff

Keywords： first flush     hydrocyclone     non-point pollution     removal efficiency     stormwater runoff    

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Low-cost adsorbents for urban stormwater pollution control

Yang Deng

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1262-9

Abstract: Abstract • Various low-cost adsorbents are studied for capturing urban stormwater pollutants. • Adsorbents

Keywords： Urban stormwater     Runoff pollutants     Low-cost adsorbents     Adsorption     Chemical leaching    

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Pesticides in stormwater runoff−A mini review

Cheng Chen, Wenshan Guo, Huu Hao Ngo

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1150-3

Abstract: • The sources and pathways of pesticides into stormwater runoff were diverse. • Factors affecting pesticidesin stormwater runoff were critically reviewed. • Pesticides mitigation strategies were included in thisreview. • The current knowledge gap of the pesticides in stormwater runoff was identified.This paper reviewed the presence of pesticides in stormwater runoff in both rural and urban areas.Influential factors affecting pesticides in stormwater runoff were critically identified as: 1) characteristics

Keywords： Pesticide     Stormwater runoff     Occurrence     Urban runoff    

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Transferral of HMs pollution from road-deposited sediments to stormwater runoff during transport processes

Qian Wang, Qionghua Zhang, Mawuli Dzakpasu, Nini Chang, Xiaochang Wang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1091-x

Abstract:

Ratio of turbidity and TSS (Tur/TSS) was used to characterize PSD of stormwater particles.

Pb and Zn preferred to accumulate in finer RDS, while Cu, Cr and Ni in coarser RDS.

HMs pollution in stormwater particles increased linearly with Tur/TSS.

Dissolvability of HMs and PSD variations contribute to the differences between RDS and stormwater.

Keywords： Road-deposited sediment     Stormwater runoff     Heavy metal     Particle size     Pollution variation    

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Advances in LID BMPs research and practice for urban runoff control in China

Haifeng JIA, Hairong YAO, Shaw L. YU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 709-720 doi: 10.1007/s11783-013-0557-5

Abstract: In particular, urban runoff quantity and quality control have emerged as one of the key concerns foruse of a Low Impact Development type of Best Management Practices (LID BMPs) for urban storm water runoffIn this paper, the situation surrounding urban runoff control in China is reviewed first.The LID BMPs are then introduced to control urban runoff in the context of urban sustainable water systemscomprehensive analysis of the various LID BMPs, the advances in LID BMPs research and practice for urban runoff

Keywords： urbanization     urban runoff control     Low Impact Development type of Best Management Practices (LID BMPs)    

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Analysis of rainfall runoff characteristics from a subtropical urban lawn catchment in South-east China

Jinliang HUANG, Zhenshun TU, Pengfei DU, Qingsheng LI, Jie LIN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 531-539 doi: 10.1007/s11783-010-0287-x

Abstract: Characteristics of rainfall runoff from a 3.26?Water quality and quantity measurements of rainfall runoff were conducted for ten rainfall events overThe results indicated that chemical oxygen demand (COD) and total phosphorus (TP) were the major pollutantsMeanwhile, concentrations of major pollutants showed multiple peaks and these peaks usually precededvolume, which was verified by the fact that the first 30% runoff volume (FF30) carried 39.36% of the

Keywords： rainfall runoff     first flush     pollution characteristics     urban lawn catchment    

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Effects of alfalfa coverage on runoff, erosion and hydraulic characteristics of overland flow on loess

Shufang WU, Pute WU, Hao FENG, G. P. Merkley

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 76-83 doi: 10.1007/s11783-011-0282-x

Abstract: An experiment was conducted to study water infiltration, runoff generation process, rate of sedimentThe effect of alfalfa on runoff and sediment transport reduction was quantitatively analyzed.Alfalfa was discussed for its ability to reduce the overland flow scouring force or change the runoffIn addition, alfalfa had a significant effect on runoff and sediment yield.The runoff generated from the alfalfa and bare-soil plots had similar trends with an initial increase

Keywords： alfalfa     soil erosion     runoff and sedimentation     soil water infiltration     overland flow     hydrodynamic characteristics    

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Integrated uncertain models for runoff forecasting and crop planting structure optimization of the Shiyang

Fan ZHANG, Mo LI, Shanshan GUO, Chenglong ZHANG, Ping GUO

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 2,   Pages 177-187 doi: 10.15302/J-FASE-2017177

Abstract: To improve the accuracy of runoff forecasting, an uncertain multiple linear regression (UMLR) model isThe developed system, in which the UMLR model for runoff forecasting and the ITSP model for crop plantingsystem is to optimize crops planting area with limited available water resources base on the downstream runoff

Keywords： crop planting structure optimization     inexact two-stage stochastic programming     runoff forecasting     Shiyang    

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The R&D of Flue Gas Pollutants Deep-Removal Technology for Coal-fired Power Plants

Xiao-lu Zhang

Frontiers of Engineering Management 2015, Volume 2, Issue 4,   Pages 359-363 doi: 10.15302/J-FEM-2015057

Abstract: The flue gas pollutants deep-removal technology (DRT) focusing on PM removal is the prime method offurther reducing pollutants emission from coal-fired power plants.

Keywords： coal-fired power plant     pollutants emission reduction     PM2.5     flue gas pollutants     deep-removal    

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Enhanced LSTM Model for Daily Runoff Prediction in the Upper Huai River Basin, China Article

Yuanyuan Man, Qinli Yang, Junming Shao, Guoqing Wang, Linlong Bai, Yunhong Xue

Engineering 2023, Volume 24, Issue 5,   Pages 230-239 doi: 10.1016/j.eng.2021.12.022

Abstract:

Runoff prediction is of great significance to flood defense.However, due to the complexity and randomness of the runoff process, it is hard to predict daily runoffaccurately, especially for peak runoff.To address this issue, this study proposes an enhanced long short-term memory (LSTM) model for runoff's prediction while weakening the weight of the normal runoff's prediction.

Keywords： Runoff prediction     Long short-term memory     Upper Huai River Basin     Extreme runoff     Loss function    

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Characteristics of pollutants behavior in a stormwater constructed wetland during dry days

Jianghua YU, Kisoo PARK, Youngchul KIM

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 649-657 doi: 10.1007/s11783-012-0426-7

Abstract: A stormwater wetland treating non-point source pollution (NPS) from a 64 ha agricultural watershed was monitored over a period of five months. The results indicated that pH and dissolved oxygen (DO) were increased in the wetland due to the algal growth. The highest total suspended solids (TSS) concentration was observed in the aeration pond due to the resuspension of solids, decreased in the wetland. The respective decreases in total nitrogen (TN) and total kjeldahl nitrogen (TKN) were 15.9% and 28.7% on passing through the wetland. The nitrate and ammonia were increased by 45.4% and decreased by 79.9%, respectively. These variations provided strong evidence for the existence of nitrification. The total phosphorus (TP) and phosphate had respective reductions of 52.3% and 58.2% over the wetland. The total chemical oxygen demand (TCOD) and soluble chemical oxygen demand (SCOD) were also decreased. Generally, the TN, TP and phosphate removal efficiencies were positive. These positive removal efficiencies were mainly due to microbial activities, uptake by plants, and chemical precipitation at high pH. Negative removal efficiencies can be caused by continuous rainfall activities, with short antecedent dry days (ADDs) and unstable hydraulic conditions, some other biogeochemical transformations and algal growth also being important parameters.

Keywords： constructed stormwater wetland     dry days     nitrification and denitrification     pollutants characteristic    

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Ammonia and phosphorus removal from agricultural runoff using cash crop waste-derived biochars

Alisa Salimova, Jian’e Zuo, Fenglin Liu, Yajiao Wang, Sike Wang, Konstantin Verichev

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1225-1

Abstract: . • The real runoff experiment showed an ammonia nitrogen removal rate of about 80%. • The removal rateof total phosphorus in real runoff experiment was about 95%.cash crop residuals is an economical and practical technology for removing nutrients from agricultural runoffThe simulated runoff infiltration experiment showed that 97.3% of ammonia was removed by Al-modified

Keywords： Biochar     Adsorption     Ammonia removal     Phosphorus removal     Agricultural runoff    

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Analysis of Flue Gas Pollutants Deep-removal Technology in Coal-fired Power Plants

Xiao-lu Zhang

Frontiers of Engineering Management 2014, Volume 1, Issue 4,   Pages 336-340 doi: 10.15302/J-FEM-2014061

Abstract: Developing Flue Gas Pollutant Deep-removal Technology (DRT) for coal-fired power plants for deep-removing pollutants

Keywords： Coal-fired power plant     flue gas pollutants     deep-removal     PM2.5 removal    

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Beta-cyclodextrin adsorbents to remove water pollutants—a commentary

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1407-1423 doi: 10.1007/s11705-022-2146-2

Abstract: Beta-cyclodextrin-based adsorbent is a promising adsorbent because it has unique characteristics and able to form host-guest complexes with various organic compounds. Adsorption using beta-cyclodextrin-based adsorbent has continuously improved by various preparation strategies and crosslinking agents. This commentary aims to highlight the preparation strategies, properties, and adsorption mechanisms of beta-cyclodextrin-based adsorbents. The adsorbents can be generally classified according to the preparation methods and display high adsorption capacity especially for dyes. Particularly, composite/nanocomposite beta-cyclodextrin-based adsorbents exhibit outstanding adsorption capacity even though the surface area is lower than that of porous and magnetic beta-cyclodextrin-based adsorbents. The beta-cyclodextrin/chitosan functionalized graphene oxide hydrogel with specific surface of 17.6 m2·g–1 yields an extraordinarily maximum adsorption capacity of 1499 mg·g–1 methylene blue, while beta-cyclodextrin/chitosan modified with iron(II, III) oxide nanoparticles displays a much greater maximum adsorption capacity at 2780 mg·g–1. The hydrophobic interaction, functional groups, hydrogen bonding, and electrostatic interaction govern the adsorption to a greater capacity. Although this commentary is not exhaustive, the preparation strategies and illustrated mechanisms provide useful insights into the adsorbent–adsorbate interactions, cost-effective analysis, challenges, and future directions of beta-cyclodextrin-based adsorbents in wastewater treatment.

Keywords： beta-cyclodextrin adsorbent     adsorption     inclusion complex     mechanism     water pollutant     wastewater treatment    

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Catalytic reduction of water pollutants: knowledge gaps, lessons learned, and new opportunities

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 2, doi: 10.1007/s11783-023-1626-z

Abstract:

● Advances, challenges, and opportunities for catalytic water pollutant reduction.

Keywords： Molybdenum     Rhenium     Rhodium     Ruthenium     Catalyst Support     Bromate    

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Title Author Date Type Operation

Removal of non-point pollutants from bridge runoff by a hydrocyclone using natural water head

Jianghua YU, Yeonseok KIM, Youngchul KIM

Journal Article

Low-cost adsorbents for urban stormwater pollution control

Yang Deng

Journal Article

Pesticides in stormwater runoff−A mini review

Cheng Chen, Wenshan Guo, Huu Hao Ngo

Journal Article

Transferral of HMs pollution from road-deposited sediments to stormwater runoff during transport processes

Qian Wang, Qionghua Zhang, Mawuli Dzakpasu, Nini Chang, Xiaochang Wang

Journal Article

Advances in LID BMPs research and practice for urban runoff control in China

Haifeng JIA, Hairong YAO, Shaw L. YU

Journal Article

Analysis of rainfall runoff characteristics from a subtropical urban lawn catchment in South-east China

Jinliang HUANG, Zhenshun TU, Pengfei DU, Qingsheng LI, Jie LIN

Journal Article

Effects of alfalfa coverage on runoff, erosion and hydraulic characteristics of overland flow on loess

Shufang WU, Pute WU, Hao FENG, G. P. Merkley

Journal Article

Integrated uncertain models for runoff forecasting and crop planting structure optimization of the Shiyang

Fan ZHANG, Mo LI, Shanshan GUO, Chenglong ZHANG, Ping GUO

Journal Article

The R&D of Flue Gas Pollutants Deep-Removal Technology for Coal-fired Power Plants

Xiao-lu Zhang

Journal Article

Enhanced LSTM Model for Daily Runoff Prediction in the Upper Huai River Basin, China

Yuanyuan Man, Qinli Yang, Junming Shao, Guoqing Wang, Linlong Bai, Yunhong Xue

Journal Article

Characteristics of pollutants behavior in a stormwater constructed wetland during dry days

Jianghua YU, Kisoo PARK, Youngchul KIM

Journal Article

Ammonia and phosphorus removal from agricultural runoff using cash crop waste-derived biochars

Alisa Salimova, Jian’e Zuo, Fenglin Liu, Yajiao Wang, Sike Wang, Konstantin Verichev

Journal Article

Analysis of Flue Gas Pollutants Deep-removal Technology in Coal-fired Power Plants

Xiao-lu Zhang

Journal Article

Beta-cyclodextrin adsorbents to remove water pollutants—a commentary

Journal Article

Catalytic reduction of water pollutants: knowledge gaps, lessons learned, and new opportunities

Journal Article