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Managing economic and social profit of cooperative models in three-echelon reverse supply chain for waste electrical and electronic equipment

Jian Li, Zhen Wang, Bao Jiang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0999-2

Abstract: economic benefits, reverse supply chains should further seek to maximize social benefits by increasing the quantityThe results indicate that optimal total channel profit and recycle quantity in a reverse supply chainThe optimal total channel profit and recycle quantity increase with an increase in the market demandthree-echelon reverse supply chain consisting of duopolistic retailers maximizes total channel profit and recyclequantity in a reverse supply chain for WEEE.

Keywords: Waste electrical and electronic equipment (WEEE)     Reverse supply chains     Recycle quantity     Social benefit    

Influence of entrainer recycle for batch heteroazeotropic distillation

Laszlo Hegely, Peter Lang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 643-659 doi: 10.1007/s11705-018-1760-5

Abstract: The influence of the following parameters are determined: quantity of entrainer, reflux ratios of theHowever, it makes the production slower and decreases the quantity of fresh feed that can be processed

Keywords: batch distillation     heteroazeotropic distillation     operational policies     off-cut recycle     entrainer    

Effect of Fe loading quantity on reduction reactivity of nano zero-valent iron supported on chelating

Jialu SHI,Shengnan YI,Chao LONG,Aimin LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 840-849 doi: 10.1007/s11783-015-0781-2

Abstract: In this study, nanoscale zero-valent iron (NZVI) were immobilized within a chelating resin (DOW 3N). To investigate the effect of Fe loading on NZVI reactivity, three NZVI-resin composites with different Fe loading were obtained by preparing Fe(III) solution in 0, 30 and 70% (v/v) ethanol aqueous, respectively; the bromate was used as a model contaminant. TEM reveals that increasing the Fe loading resulted in much larger size and poor dispersion of nanoscale iron particles. The results indicated that the removal efficiency of bromate and the rate constant ( ) were decreased with increasing the Fe loading. For the NZVI-resin composite with lower Fe loading, the removal efficiency of bromate declined more significantly with the increase of DO concentrations. Under acidic conditions, decreasing the pH value had the most significant influence on NZVI-R3 with highest Fe loading for bromate removal; however, under alkaline conditions, the most significant influence of pH was on NZVI-R1 with lowest Fe loading. The effects of co-existing anions , and were also investigated. All of the co-existing anions showed the inhibition to bromate reduction.

Keywords: nanoscale zero valent iron     loading quantity     reduction     chelating resin     bromated    

Cryogenic minimum quantity lubrication machining: from mechanism to application

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 649-697 doi: 10.1007/s11465-021-0654-2

Abstract: Environmental machining technologies, such as dry cutting, minimum quantity lubrication (MQL), and cryogenicThe latest progress of cryogenic minimum quantity lubrication (CMQL) technology is reviewed in this paper

Keywords: cryogenic minimum quantity lubrication (CMQL)     cryogenic medium     processing mode     device application    

Tribological mechanism of carbon group nanofluids on grinding interface under minimum quantity lubrication

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0733-z

Abstract: Carbon group nanofluids can further improve the friction-reducing and anti-wear properties of minimum quantity

Keywords: grinding     minimum quantity lubrication     carbon group nanofluid     tribological mechanism    

The impact of government incentives and penalties on willingness to recycle plastic waste: An evolutionary

Zhen Wang, Jiazhen Huo, Yongrui Duan

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1208-2

Abstract: • Punishments increase the participation probability of collectors and recyclers. • Policy-sponsored incentives make collectors and recyclers to participate earlier. • Recyclers are more sensitive to government punishments than collectors. Because governments have introduced policies involving incentives and penalties to promote the recycling of plastic waste, it is important to understand the impact of such incentives and penalties on the willingness of stakeholders to participate. In this study, government is included as a player, alongside waste collectors and recyclers, in a tripartite evolutionary game model of plastic waste recycling. The study explores the evolutionary equilibrium and performs a simulation analysis to elucidate the effect of government incentives and penalties on the willingness of other players to participate in recycling. Three conclusions are drawn from this research. First, an increase in incentives or in penalties increases the probability that collectors and recyclers will participate in the recycling process. Second, policy support incentives encourage collectors and recyclers to participate in plastic waste recycling earlier than subsidy incentives do. Finally, recyclers are more sensitive than collectors to government-imposed penalties.

Keywords: Plastic waste     Recycle     Reuse     Government incentives     Government penalties     Evolutionary game    

Short-term prediction of the influent quantity time series of wastewater treatment plant based on a chaos

LI Xiaodong, ZENG Guangming, HUANG Guohe, LI Jianbing, JIANG Ru

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 334-338 doi: 10.1007/s11783-007-0057-6

Abstract: By predicting influent quantity, a wastewater treatment plant (WWTP) can be well controlled.The nonlinear dynamic characteristic of WWTP influent quantity time series was analyzed, with the assumptionBased on this, a short-term forecasting chaos neural network model of WWTP influent quantity was built

Keywords: nonlinear     reconstruction     WWTP influent     characteristic     Reasonable forecasting    

Initial impacts of rain gardens’ application on water quality and quantity in combined sewer: field-scale

Isam Alyaseri, Jianpeng Zhou, Susan M. Morgan, Andrew Bartlett

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0988-5

Abstract: Green infrastructures such as rain gardens can benefit onsite reduction of stormwater runoff, leading to reduced combined sewer overflows. A pilot project was conducted to evaluate the impact of rain gardens on the water quality and volume reduction of storm runoff from urban streets in a combined sewer area. The study took place in a six-block area on South Grand Boulevard in St. Louis, Missouri. The impact was assessed through a comparison between the pre-construction (2011/2012) and the post-construction (2014) phases. Shortly after the rain gardens were installed, the levels of total suspended solids, chloride, total nitrogen, total phosphorous, zinc, and copper increased. The level of mercury was lower than the detection level in both phases. was the only parameter that showed statistically significant decrease following the installation of rain gardens. The likely reason for initial increase in monitored water quality parameters is that the post-construction sampling began after the rain gardens were constructed but before planting, resulted from soil erosion and wash-out from the mulch. However, the levels of most of water quality parameters decreased in the following time period during the post-construction phase. The study found 76% volume reduction of stormwater runoff following the installation of rain gardens at one of studied sites. Statistical analysis is essential on collected data because of the encountered high variability of measured flows resulted from low flow conditions in studied sewers.

Keywords: Rain gardens     Bioretention     Combined sewer     Stormwater quality and quantity    

New form of geodetic coordinate system taking two length quantity as coordinate parameters

Yimin SHI, Ziyang ZHU, Yeming FAN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 105-110 doi: 10.1007/s11709-009-0014-5

Abstract: A new form of geodetic coordinate system based on geodesic coordinates instead of geodetic longitude and latitude was proposed. The vertical and horizontal geodesic coordinates measured with length were defined as coordinate parameters, but the two families of coordinate curves were still meridians and parallel circles. The first fundamental form on the ellipsoidal surface and its three coefficients were deduced by the geodesic coordinate. The formula for the latitudinal scale factor of length for geodetic parallel lines was derived, by which the obtained result conformed to that standard value calculated from geodetic latitude, and it is applicable in the range of 400 km from north to south. Therefore, it lays the foundation for establishing the differential equation and differential relationship based on this type of coordinate parameters; and consequently, it is convenient and accurate enough to operate on the ellipsoidal surface in this new form of geodetic coordinate system.

Keywords: geodetic coordinate system     meridian and parallel circle     coordinate parameter     the first fundamental form on the ellipsoidal surface     latitudinal scale factor of length    

Fiber-reinforced composites in milling and grinding: machining bottlenecks and advanced strategies

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0680-8

Abstract: tools and technologies, including ultrasonic vibration-assisted machining, cryogenic cooling, minimum quantity

Keywords: composites     damage formation mechanism     delamination     material removal mechanism     surface integrity     minimum quantity    

Engineering Experiment Research of the Quantity Theoretical Orthogonal Design Optimal Method for the

Qin Shuyu,Qin Weihan

Strategic Study of CAE 2003, Volume 5, Issue 10,   Pages 52-55

Abstract: the geological factors have both qualitative and quantitative variables, one method that applies the quantityThe experiments show that this method can save the quantity of injection experiment engineering and are

Keywords: quantity theory     technical parameter     orthogonal design     coal-seam injection     experimental study    

Start-up of PN-anammox system under low inoculation quantity and its restoration after low-loading rate

Guoliang Zhang, Liang Zhang, Xiaoyu Han, Shujun Zhang, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1324-z

Abstract: In this study, PN-anammox was initialized with low inoculation quantity in an air-lift reactor.

Keywords: PN-anammox     Granular sludge     Excess nitrate build-up     Recovery strategy for partial nitrification     Aggressive discharge of sludge    

Nanoparticle-enhanced coolants in machining: mechanism, application, and prospects

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11465-023-0769-8

Abstract: Nanoparticle-enhanced coolants (NPECs) are increasingly used in minimum quantity lubrication (MQL) machining

Keywords: nanoparticle-enhanced coolant     minimum quantity lubrication     biolubricant     thermophysical properties    

Recycled glass replacement as fine aggregate in self-compacting concrete

Yasser SHARIFI, Mahmoud HOUSHIAR, Behnam AGHEBATI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 419-428 doi: 10.1007/s11709-013-0224-8

Abstract: With increasing environmental pressure to reduce solid waste and to recycle as much as possible, the

Keywords: Self Compacting Concrete (SCC)     recycle glass     fine aggregate     fresh and hardened properties    

-Cyclodextrin functionalized graphene oxide: an efficient and recyclable adsorbent for the removal of dye pollutants

Shanshan WANG, Yang LI, Xiaobin FAN, Fengbao ZHANG, Guoliang ZHANG

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 1,   Pages 77-83 doi: 10.1007/s11705-014-1450-x

Abstract: A novel method for the preparation of -cyclodextrin grafted graphene oxide (GO- -CD) has been developed. The GO- -CD was characterized by Fourier transform infrared spectroscopy, C NMR spectroscopy, Raman spectroscopy and thermogravimetric analysis. The ability of GO- -CD to remove fuchsin acid from solution was also studied. The GO- -CD had an excellent adsorption capacity for fuchsin acid and could be recycled and reused. The adsorption capacities of GO- -CD for other dye pollutants such as methyl orange and methylene blue were also investigated. The absorption capacities for the three dyes are in the order: fuchsin acid>methylene blue>methyl orange.

Keywords: graphene oxide     β-cyclodextrin     adsorption capacity     recycle    

Title Author Date Type Operation

Managing economic and social profit of cooperative models in three-echelon reverse supply chain for waste electrical and electronic equipment

Jian Li, Zhen Wang, Bao Jiang

Journal Article

Influence of entrainer recycle for batch heteroazeotropic distillation

Laszlo Hegely, Peter Lang

Journal Article

Effect of Fe loading quantity on reduction reactivity of nano zero-valent iron supported on chelating

Jialu SHI,Shengnan YI,Chao LONG,Aimin LI

Journal Article

Cryogenic minimum quantity lubrication machining: from mechanism to application

Journal Article

Tribological mechanism of carbon group nanofluids on grinding interface under minimum quantity lubrication

Journal Article

The impact of government incentives and penalties on willingness to recycle plastic waste: An evolutionary

Zhen Wang, Jiazhen Huo, Yongrui Duan

Journal Article

Short-term prediction of the influent quantity time series of wastewater treatment plant based on a chaos

LI Xiaodong, ZENG Guangming, HUANG Guohe, LI Jianbing, JIANG Ru

Journal Article

Initial impacts of rain gardens’ application on water quality and quantity in combined sewer: field-scale

Isam Alyaseri, Jianpeng Zhou, Susan M. Morgan, Andrew Bartlett

Journal Article

New form of geodetic coordinate system taking two length quantity as coordinate parameters

Yimin SHI, Ziyang ZHU, Yeming FAN

Journal Article

Fiber-reinforced composites in milling and grinding: machining bottlenecks and advanced strategies

Journal Article

Engineering Experiment Research of the Quantity Theoretical Orthogonal Design Optimal Method for the

Qin Shuyu,Qin Weihan

Journal Article

Start-up of PN-anammox system under low inoculation quantity and its restoration after low-loading rate

Guoliang Zhang, Liang Zhang, Xiaoyu Han, Shujun Zhang, Yongzhen Peng

Journal Article

Nanoparticle-enhanced coolants in machining: mechanism, application, and prospects

Journal Article

Recycled glass replacement as fine aggregate in self-compacting concrete

Yasser SHARIFI, Mahmoud HOUSHIAR, Behnam AGHEBATI

Journal Article

-Cyclodextrin functionalized graphene oxide: an efficient and recyclable adsorbent for the removal of dye pollutants

Shanshan WANG, Yang LI, Xiaobin FAN, Fengbao ZHANG, Guoliang ZHANG

Journal Article