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Effects of previous drying of sediment on root functional traits and rhizoperformance of emerged macrophytes

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1427-1

Abstract:

• Sediment desiccation alters morphological characteristics of aquaticsediment.

Keywords： Fibrous-root macrophytes     Thick-root macrophytes     Nutrients removal     Wet sediment     Dried-rewetted sediment    

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Biosorption of Direct Black 38 by dried anaerobic granular sludge

WANG Xuejiang, XIA Siqing, ZHAO Jianfu

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 2,   Pages 198-202 doi: 10.1007/s11783-008-0031-y

Abstract: The biosorption of Direct Black 38 by dried anaerobic granular sludge in a batch system under specificThis suggests that the adsorption of Direct Black 38 by dried anaerobic granular sludge is chemically

Keywords： Langmuir     kJ/mol     temperature     removal     Freundlich    

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A steam dried municipal solid waste gasification and melting process

Gang XIAO, Baosheng JIN, Mingjiang NI, Kefa CEN, Yong CHI, Zhongxin TAN

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 193-204 doi: 10.1007/s11783-010-0268-0

Abstract: Considering high-moisture municipal solid waste (MSW) of China, a steam dried MSW gasification and meltingMoisture percentage was reduced from 50% to 20% roughly when MSW was dried by slightly superheated steamthat the boiler heat efficiency of an industrial MSW incineration plant reaches 86.97% when MSW is driedthree important parameters, including the temperature of preheated MSW, the moisture percentage of dried

Keywords： municipal solid waste (MSW)     steam drying     gasification and melting    

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The biosorption of Cr(VI) ions by dried biomass obtained from a chromium-resistant bacterium

Paul Fabrice NGUEMA,Zejiao LUO,Jingjing LIAN

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 454-464 doi: 10.1007/s11705-014-1456-4

Abstract: However, there is little data on the biosorption mechanism of Cr(VI) by dried biomass.So the bio-removal of Cr(VI) ions from aqueous solutions was investigated using dried biomass from a

Keywords： Cr(VI)     biomass     Bacillus cereus Pf-1     biosorption capacity     biosorbents    

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Diversity and vertical distributions of sediment bacteria in an urban river contaminated by nutrients

Xunan YANG, Shan HUANG, Qunhe WU, Renduo ZHANG, Guangli LIU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 851-859 doi: 10.1007/s11783-013-0569-1

Abstract: this study was to investigate the benthic bacterial communities in different depths of an urban river sedimentResults showed that concentrations of the nutrients and metals in this river sediment were higher thanFurthermore, high microbial richness and diversity appeared in the sediment.The diversity did not vary obviously in the whole sediment profile.The dominant bacterial OTUs ubiquitously existed in the deeper sediment layers (5–27 cm) corresponding

Keywords： heavy metals     nutrients     sediment profile     terminal restriction fragment length polymorphism    

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Microbial responses to the use of NaClO in sediment treatment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1451-1

Abstract:

• Chlorine addition enhanced the release of TOC, TN from the sediment

Keywords： Sediment chlorination     Substance mobility     Microbial response     Community composition     Function    

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Can the Grain-for-Green Program Really Ensure a Low Sediment Load on the Chinese Loess Plateau? Article

Pengcheng Sun, Yiping Wu, Zhifeng Yang, Bellie Sivakumar, Linjing Qiu, Shuguang Liu, Yanpeng Cai

Engineering 2019, Volume 5, Issue 5,   Pages 855-864 doi: 10.1016/j.eng.2019.07.014

Abstract: Loess Plateau is the most seriously eroded area in the world and contributes the vast majority of the sedimentHowever, the mechanism
of the sediment transport dynamics is not fully understood due to multipleA challenging question, then, arises: Is the current low sediment level a "new normal" in thisfrom low discharge and a potential higher sediment load resulting from large discharge.of a large sediment load during extremely wet years.

Keywords： Discharge–sediment relationship     Ecological restoration     Loess hilly region     Sediment load     Sediment    

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Biosorption of Cr(III) from aqueous solution by freeze-dried activated sludge: Equilibrium, kinetic and

Qian YAO, Hua ZHANG, Jun WU, Liming SHAO, Pinjing HE,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 286-294 doi: 10.1007/s11783-010-0025-4

Abstract: Batch biosorption experiments were conducted to remove Cr(III) from aqueous solutions using activated sludge from a sewage treatment plant. An investigation was conducted on the effects of the initial pH, contact time, temperature, and initial Cr(III) concentration in the biosorption process. The results revealed that the activated sludge exhibited the highest Cr(III) uptake capacity (120 mg·g) at 45°C, initial pH of 4, and initial Cr(III) concentration of 100 mg·L. The biosorption results obtained at various temperatures showed that the biosorption pattern accurately followed the Langmuir model. The calculated thermodynamic parameters, Δ (−0.8– −4.58 kJ·mol), Δ (15.6–44.4 kJ·mol), and Δ (0.06–0.15 kJ·mol·K) clearly indicated that the biosorption process was feasible, spontaneous, endothermic, and physical. The pseudo first-order and second-order kinetic models were adopted to describe the experimental data, which revealed that the Cr(III) biosorption process conformed to the second-order rate expression and the biosorption rate constants decreased with increasing Cr(III) concentration. The analysis of the values of biosorption activation energy ( = −7 kJ·mol) and the intra-particle diffusion model demonstrated that Cr(III) biosorption was film-diffusion-controlled.

Keywords： activated sludge     biosorption     chromium     film diffusion     kinetics     thermodynamics    

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Effect of sodium bicarbonate solution on methyltrimethoxysilane-derived silica aerogels dried at ambient

Yujing Liu, Xiao Han, Balati Kuerbanjiang, Vlado K. Lazarov, Lidija Šiller

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 954-959 doi: 10.1007/s11705-020-2028-4

Abstract: Here we present an economical ambient pressure drying method of preparing monolithic silica aerogels from methyltrimethoxysilane precursor while using sodium bicarbonate solution as the exchanging solvent. We prepared silica aerogels with a density and a specific surface area of 0.053 g∙cm and 423 m ∙g , respectively. The average pore diameter of silica aerogels is 23 nm as the pore specific volume is 1.11 cm ∙g . Further, the contact angle between water droplet and the surface of silica aerogels in specific condition can be as high as 166°, which indicates a super-hydrophobic surface of aerogels.

Keywords： silica aerogel     methyltrimethoxysilane     solvent exchange     sodium bicarbonate     trimethylchlorosilane     ambient pressure drying    

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Red soil for sediment capping to control the internal nutrient release under flow conditions

Lei Xia, Guo Liu, Chunmei Chen, Meiyan Wen, Yangyang Gao

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0886-2

Abstract: The inhibition of sediment nitrogen (N) and phosphorus (P) release seems necessary.Red soil (RS) was firstly used as sediment capping material under flow conditions.RS capping can effectively reduce the N and P release from sediment.Nitrogen (N) and phosphorus (P) released from the sediment to the surface water is a major source ofTherefore, inhibiting sediment nutrient release seems necessary.

Keywords： Sediment     Red soil capping     Flow conditions     Nitrogen     Phosphorus    

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Four kinds of capping materials for controlling phosphorus and nitrogen release from contaminated sediment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1463-x

Abstract:

• Lanthanum modified bentonite (LMB) can effectively absorb phosphorus (P).

Keywords： Sediment     Eutrophication     Thin-layer capping     Phosphorus     Nitrogen     Aluminum-based P-inactivation agent    

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Characterization of interaction between different adsorbents and copper by simulation experiments using sediment-extracted

Yan ZHANG,Yuan ZHANG,Tao YU

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 510-518 doi: 10.1007/s11783-013-0588-y

Abstract: Cu was quantitatively studied by simulation experiments using different adsorbents prepared from the sedimentThe result indicated that the complex capacity was 0.048 mmol·g , 0.009 and 0.005 mmol·g for raw sediment, sediment without DOM, sediment without insoluble organic matters but with DOM and sediment withoutInsoluble organic matter played a major role in the sorption of Cu in sediment and it can adsorb mostwas 1.65, 1.78 and 2.25 times higher than that with water for adsorbents without OM, raw adsorbents (sediment

Keywords： interaction     dissolved organic matters     sediment     sorption     desorption     Taihu Lake    

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Effects of different sediment fractions on sorption of galaxolide

Lixia JIN, Mengchang HE, Jinghuan ZHANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 59-65 doi: 10.1007/s11783-010-0259-1

Abstract: Among the different sediment fractions, the contribution of the 600°C heating fractions to the overall

Keywords： galaxolide (HHCB)     sorption     organic carbon     sediment     carbon-normalized distribution coefficient (   

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Rapid control of black and odorous substances from heavily-polluted sediment by oxidation: Efficiency

Kun Li, Min Yang, Jianfeng Peng, Ruiping Liu, Tista Prasai Joshi, Yaohui Bai, Huijuan Liu

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 6, doi: 10.1007/s11783-019-1171-y

Abstract: Additionally, rapid oxidation might accelerate the release of pollutants from sediment.Moreover, the introduction of oxidants contributed to changes in the microbial community composition in sedimentshowed a lower effect on the removal of black and odorous substances, pollutant release, and changes in sediment

Keywords： Oxidants     Heavily polluted sediment     Black and odorous substances     Release behaviors     Microorganism    

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Research on Water and Sediment Regulation of the Yellow River under New Situation

Hu Chunhong, Zhang Shuanghu, Zhang Xiaoming

Strategic Study of CAE 2022, Volume 24, Issue 1,   Pages 122-130 doi: 10.15302/J-SSCAE-2022.01.013

Abstract:

Water and sediment regulation is critical for the long-term safety ofvariation characteristics of the amount of water and sediments from 1919 to 2020, predict the annual sedimentYellow River in the next 50 years, and systematically summarize the main problems regarding water and sedimentThree targeted strategies for water and sediment regulation under new conditions are proposed.The first is to perfect the water and sediment regulation engineering system with focus on the development

Keywords： Yellow River     new water and sediment conditions     water and sediment regulation     hydropower-complex project    

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Title Author Date Type Operation

Effects of previous drying of sediment on root functional traits and rhizoperformance of emerged macrophytes

Journal Article

Biosorption of Direct Black 38 by dried anaerobic granular sludge

WANG Xuejiang, XIA Siqing, ZHAO Jianfu

Journal Article

A steam dried municipal solid waste gasification and melting process

Gang XIAO, Baosheng JIN, Mingjiang NI, Kefa CEN, Yong CHI, Zhongxin TAN

Journal Article

The biosorption of Cr(VI) ions by dried biomass obtained from a chromium-resistant bacterium

Paul Fabrice NGUEMA,Zejiao LUO,Jingjing LIAN

Journal Article

Diversity and vertical distributions of sediment bacteria in an urban river contaminated by nutrients

Xunan YANG, Shan HUANG, Qunhe WU, Renduo ZHANG, Guangli LIU

Journal Article

Microbial responses to the use of NaClO in sediment treatment

Journal Article

Can the Grain-for-Green Program Really Ensure a Low Sediment Load on the Chinese Loess Plateau?

Pengcheng Sun, Yiping Wu, Zhifeng Yang, Bellie Sivakumar, Linjing Qiu, Shuguang Liu, Yanpeng Cai

Journal Article

Biosorption of Cr(III) from aqueous solution by freeze-dried activated sludge: Equilibrium, kinetic and

Qian YAO, Hua ZHANG, Jun WU, Liming SHAO, Pinjing HE,

Journal Article

Effect of sodium bicarbonate solution on methyltrimethoxysilane-derived silica aerogels dried at ambient

Yujing Liu, Xiao Han, Balati Kuerbanjiang, Vlado K. Lazarov, Lidija Šiller

Journal Article

Red soil for sediment capping to control the internal nutrient release under flow conditions

Lei Xia, Guo Liu, Chunmei Chen, Meiyan Wen, Yangyang Gao

Journal Article

Four kinds of capping materials for controlling phosphorus and nitrogen release from contaminated sediment

Journal Article

Characterization of interaction between different adsorbents and copper by simulation experiments using sediment-extracted

Yan ZHANG,Yuan ZHANG,Tao YU

Journal Article

Effects of different sediment fractions on sorption of galaxolide

Lixia JIN, Mengchang HE, Jinghuan ZHANG

Journal Article

Rapid control of black and odorous substances from heavily-polluted sediment by oxidation: Efficiency

Kun Li, Min Yang, Jianfeng Peng, Ruiping Liu, Tista Prasai Joshi, Yaohui Bai, Huijuan Liu

Journal Article

Research on Water and Sediment Regulation of the Yellow River under New Situation

Hu Chunhong, Zhang Shuanghu, Zhang Xiaoming

Journal Article