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Continuous reaction performances of benzene alkylation with long chain olefins catalyzed by ionic liquid

QIAO Congzhen, LI Chengyue

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 69-73 doi: 10.1007/s11705-008-0014-3

Abstract: Based on a compulsive mixing-reacting-separating-recycling small experimental setup,the continuous reactionoperation mode (reagent materials), sidetrack feeding from different axial positions along the static mixing

Keywords： stability     different     hypecritical     compulsive mixing-reacting-separating-recycling     non-benzene    

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A methodology of implementing target mixing ratio for asphalt mixture

Yucheng HUANG, Lun JI, Rui WEN, Ming ZHANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 308-314 doi: 10.1007/s11709-017-0405-y

Abstract: design of hot mix asphalt adequately during the construction process, the significance of objective mixingAn engineering example is used to illustrate the debugging process of asphalt mixture batching & mixingThe results show that the set of methods can not only implement the objective mixing ratio of hot mix

Keywords： asphalt mixture     target mixing ratio     mix design implementation     batching & mixing plant debugging    

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Characterization of micro-mixing in a novel impinging streams reactor

Hui HU, Zhiming CHEN, Zhen JIAO

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 58-64 doi: 10.1007/s11705-009-0106-8

Abstract: presents an experimental investigation of a novel impinging stream reactor (ISR) with the aim of high mixingThe integral mixing quality in the reactor was measured with the iodide-iodate reaction and showed excellentmixing performance.Based on turbulence theory, it was estimated that the characteristic micro-mixing time was 0.002—0.02The micro-mixing time was related to the segregation index, which was in good agreement with those in

Keywords： micro-mixing     impinging streams reactor     turbulent mixing     mass transfer    

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Chemical probe systems for assessing liquid–liquid mixing efficiencies of reactors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1323-1335 doi: 10.1007/s11705-022-2275-7

Abstract: Liquid–liquid mixing, including homogeneous and heterogeneous mixing, widely exists in the chemical industryHow to quantitatively characterize the mixing performance is important for reactor assessment and developmentAs a convenient and direct method for mixing characterization, the chemical probe method uses some specialtest reactions to characterize the mixing results.this method are introduced, and some common chemical probe systems for homogeneous and heterogeneous mixing

Keywords： mixing     chemical probe     liquid–liquid     heterogeneous    

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Separating method and dynamic processes of Nano-Al13

GAO Baoyu, YUE Qinyan, WANG Xiaona, CHU Yongbao, KONG Chunyan

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 368-373 doi: 10.1007/s11783-007-0063-8

Abstract: In order to investigate the characteristics of pure Nano-Al, Nano-Al was separated and purified from a series of poly-aluminum chloride (PAC) solutions which had the same Al percentage but different total Al concentrations, by using column chromatography, ethanol-acetone resolving and SO/Ba displacement. The Al species yield was characterized by Al-ferron timed complexation spectrophotometry and Al-NMR (nuclear magnetic resonance). The coagulation efficiency of Nano-Al, PAC and AlCl in synthetic water was also investigated by Jar tests. The dynamic process and aggregation state of kaolin suspensions coagulating with Nano-Al, PAC and AlCl were similarly investigated using a photometric dispersion analyzer 2000 (PDA2000). The experimental results indicated that the ethanol-acetone resolving method was simple and could separate the PAC solution at different concentrations, while column chromatography could separate PAC solutions at low concentrations. The SO/Ba displacement method could separate PAC solutions at high concentrations. However, extra inorganic cation and anion could be added in the solution during separation. The coagulation efficiency and dynamic experimental results showed that Nano-Al with high positive-charged species was effective in removing turbidity and color. The dynamic process results showed that Nano-Al also had the best recovery capability after shearing compared with PAC and AlCl because the Nano-Al conformation is more effective in charge neutralization.

Keywords： displacement     PAC     coagulation efficiency     poly-aluminum     inorganic    

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Reliability-based settlement analysis of embankments over soft soils reinforced with T-shaped deep cement mixing

Chana PHUTTHANANON; Pornkasem JONGPRADIST; Daniel DIAS; Xiangfeng GUO; Pitthaya JAMSAWANG; Julien BAROTH

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 638-656 doi: 10.1007/s11709-022-0825-1

Abstract: This paper presents a reliability-based settlement analysis of T-shaped deep cement mixing (TDM) pile-supportedwith various shapes, are compared and discussed together with the results for conventional deep cement mixing

Keywords： T-shaped deep cement mixing piles     piled embankments     settlement     reliability analysis     soil uncertainties    

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Characteristics and mixing state of S-rich particles in haze episodes in Beijing

Jun Hu, Fengkui Duan, Kebin He, Yongliang Ma, Shuping Dong, Xiande Liu

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0861-y

Abstract: element distributions of S-rich particles and considered that (C, O, S)-rich particles had two major mixing

Keywords： S-rich particles     Morphology     Element distribution     Mixing state    

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Dispersion of a novel phenolic rigid organic filler in isotactic polypropylene matrix by solution-mixingand melt-mixing

Dongming QI, Xiaoli ZHAO, Zhijie CHEN, Peng HUANG, Jun CAO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 395-402 doi: 10.1007/s11705-012-1269-2

Abstract: KD) with a high melting point was dispersed in an isotactic polypropylene (iPP) matrix by solution-mixingand/or melt-mixing.Influences of MAPP and mixing methods on the filler dispersion were studied using polaried optical microscopebetween the dispersion phase and the continuous phase, and adopting a spray-drying method after solution-mixing

Keywords： dispersion     rigid organic filler     isotactic polypropylene     mixing    

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RETRACTED ARTICLE: Momentum exchange coefficient for two jet flows mixing in a tee junction

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2161-2161 doi: 10.1007/s11705-009-0143-3

Abstract: RETRACTED ARTICLE: Momentum exchange coefficient for two jet flows mixing in a tee junction

Keywords： tee junction     Momentum exchange coefficient     RETRACTED    

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Reliability analysis of the control system of large-scale vertical mixing equipment

YANG Mingjin, LI Xiwen, LI Shaoping, YANG Shuzi

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 133-138 doi: 10.1007/s11465-008-0037-y

Abstract: The control system of vertical mixing equipment is a concentrate distributed monitoring system (CDMS)

Keywords： composite     redundancy     monitoring     vertical     technical    

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Copper fractal growth during recycling from waste printed circuit boards by slurry electrolysis

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1405-7

Abstract:

• Copper fractal growth was observed during WPCBs recycling by slurry

Keywords： Dendritic copper     Fractal growth     WPCBs     Slurry electrolysis    

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EXPLORING THE RECYCLING OF MANURE FROM URBAN LIVESTOCK FARMS: A CASE STUDY IN ETHIOPIA

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,

Abstract: intensification, and (4) improved technology, on food-protein self-sufficiency, manure nitrogen (N) recycling

Costs of waste recycling were high and indicate the need for government incentives.

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Assessing the potential of crop residue recycling in China and technology options based on a bottom-up

Lili QU,Tianzhu ZHANG,Wei LU

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 570-579 doi: 10.1007/s11783-013-0604-2

Abstract: analysis method, and the constraint optimization method to establish the potential of crop residue recyclingpotential and selecting key crop residue recycling technologies for operation between 2010 and 2030.Market mechanisms are also improving the development of the crop residue recycling industry.The economic benefit of crop residue recycling is expected to be worth 132 billion CNY in 2030 accordingKey crop residue recycling technologies preferred such as liquefaction, amination, silo, co-firing straw

Keywords： China     crop residue     recycling potential     technology options    

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ALKALINE PRETREATMENT AND AIR MIXING FOR IMPROVEMENT OF METHANE PRODUCTION FROM ANAEROBIC CO-DIGESTION

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 424-436 doi: 10.15302/J-FASE-2023506

Abstract:

● Integration of alkaline pretreatment and air mixing for co-digestion

Keywords： sodium hydroxide     air injection     cumulative methane yield     kinetic modeling analysis     digestate    

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Resources Recycling

Qiu Dingfan

Strategic Study of CAE 2002, Volume 4, Issue 10,   Pages 31-35

Abstract: natural resources (minerals) unlimitedly, but make full use of them repeatedly and establish resources recyclingResources recycling is a kind of science that studies how to build the recycling system for making fullResources recycling is a law, and also an only road for human being living in harmony with nature andSocializing resources recycling as early as possible may completely solve the problems of resource shortageBuilding a society of resources recycling is a system engineering.

Keywords： resources     resources recycling     resources exploitation     society of resources recycling    

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Title Author Date Type Operation

Continuous reaction performances of benzene alkylation with long chain olefins catalyzed by ionic liquid

QIAO Congzhen, LI Chengyue

Journal Article

A methodology of implementing target mixing ratio for asphalt mixture

Yucheng HUANG, Lun JI, Rui WEN, Ming ZHANG

Journal Article

Characterization of micro-mixing in a novel impinging streams reactor

Hui HU, Zhiming CHEN, Zhen JIAO

Journal Article

Chemical probe systems for assessing liquid–liquid mixing efficiencies of reactors

Journal Article

Separating method and dynamic processes of Nano-Al13

GAO Baoyu, YUE Qinyan, WANG Xiaona, CHU Yongbao, KONG Chunyan

Journal Article

Reliability-based settlement analysis of embankments over soft soils reinforced with T-shaped deep cement mixing

Chana PHUTTHANANON; Pornkasem JONGPRADIST; Daniel DIAS; Xiangfeng GUO; Pitthaya JAMSAWANG; Julien BAROTH

Journal Article

Characteristics and mixing state of S-rich particles in haze episodes in Beijing

Jun Hu, Fengkui Duan, Kebin He, Yongliang Ma, Shuping Dong, Xiande Liu

Journal Article

Dispersion of a novel phenolic rigid organic filler in isotactic polypropylene matrix by solution-mixingand melt-mixing

Dongming QI, Xiaoli ZHAO, Zhijie CHEN, Peng HUANG, Jun CAO

Journal Article

RETRACTED ARTICLE: Momentum exchange coefficient for two jet flows mixing in a tee junction

Journal Article

Reliability analysis of the control system of large-scale vertical mixing equipment

YANG Mingjin, LI Xiwen, LI Shaoping, YANG Shuzi

Journal Article

Copper fractal growth during recycling from waste printed circuit boards by slurry electrolysis

Journal Article

EXPLORING THE RECYCLING OF MANURE FROM URBAN LIVESTOCK FARMS: A CASE STUDY IN ETHIOPIA

Journal Article

Assessing the potential of crop residue recycling in China and technology options based on a bottom-up

Lili QU,Tianzhu ZHANG,Wei LU

Journal Article

ALKALINE PRETREATMENT AND AIR MIXING FOR IMPROVEMENT OF METHANE PRODUCTION FROM ANAEROBIC CO-DIGESTION

Journal Article

Resources Recycling

Qiu Dingfan

Journal Article