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Immobilization of nano-zero-valent irons by carboxylated cellulose nanocrystals for wastewater remediation

Bangxian Peng, Rusen Zhou, Ying Chen, Song Tu, Yingwu Yin, Liyi Ye

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6, Pages 1006-1017 doi: 10.1007/s11705-020-1924-y

Abstract: Nano-zero-valent irons (nZVI) have shown great potential to function as universal and low-cost magneticadsorbents.This study may provide a novel and green method for immobilizing magnetic nanomaterials by using biomass-basedresources to develop effective bio-adsorbents for wastewater decontamination.

Keywords： carboxylated cellulose nanocrystals nano-zero-valent irons magnetic bio-adsorbents wastewater remediation

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SERS nanoprobes for bio-application

Han-Wen Cheng,Jin Luo,Chuan-Jian Zhong

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 4, Pages 428-441 doi: 10.1007/s11705-015-1536-0

Abstract: size, shape, composition and surface properties impart nanoparticles with the desired functions for bio-applicationrecent examples in the exploration of metal (e.g., gold and silver) nanoparticles, especially those with magneticproperties and bio-conjugated structures, as theranostic nanoprobes.Such nanoprobes exhibit tunable optical, spectroscopic, magnetic, and electrical properties for signal

Keywords： surface-enhanced Raman scattering functional nanoprobes bio-conjugation metal nanoparticles magnetic

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degradation behavior and mechanism for cationic/anionic dyes by Ag-functionalized FeO-PDA core-shell adsorbents

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1572-1

Abstract:

● PDA-Fe₃O₄-Ag was made by hydrothermal and oxidation self-polymerization method.

Keywords： PDA Fe₃O₄ Magnetic adsorbent Cationic dyes Anionic dyes

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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. • Adsorbentsare selected based on both pollutant adsorption and unexpected leaching. • Application modes of adsorbentsTo improve the treatment efficacy of stormwater infrastructure, low-cost adsorbents have increasinglyIn contrast, standalone filters or innovative composite adsorbents (e.g., adsorbent-coated mulch chips) can enable a long-lasting adsorption due to periodic replacement with fresh adsorbents.

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

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Preparation and characterization of EVAL hollow fiber membrane adsorbents filled with cation exchange

Fengli ZHANG, Yuzhong ZHANG, Hong LI, Guangfen LI,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4, Pages 462-467 doi: 10.1007/s11705-009-0011-1

Abstract: EVAL hollow fiber membrane adsorbents filled with powder D061-type cation exchange resin were preparedThe microstructures of the membrane adsorbents were observed, and the pure water fluxes, BSA rejection, and static adsorption capacities of membrane adsorbents for BSA were measured.The results showed that EVAL hollow fiber membrane adsorbents filled with D061-type cation exchange resinsThe static protein adsorption capacity was 77.14 mg BSA/g membrane adsorbents when D061 resin loading

Keywords： substrate copolymer EVAL exchange EVAL hollow resin-filled content

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Fabrication of bimetallic Cu–Zn adsorbents with high dispersion by using confined space for gas adsorptive

Frontiers of Chemical Science and Engineering Pages 1623-1631 doi: 10.1007/s11705-022-2202-y

Abstract: number of active components and their dispersion degree are two key factors affecting the performance of adsorbents

Keywords： bimetallic adsorbents confined space mesoporous silica propene/propane separation

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Composite adsorbents of CaCl

Huashan LI, Xianbiao BU, Lingbao WANG, Zhenneng LU, Weibin MA

Frontiers in Energy 2012, Volume 6, Issue 4, Pages 356-360 doi: 10.1007/s11708-012-0207-9

Abstract: Composite adsorbents of CaCl and sawdust prepared by carbonization for adsorption refrigeration withThe results show that the amount of pores in the sawdust of the composite adsorbents carbonized, apartfrom the content of CaCl , is the most dominant factor influencing the NH sorption on composite adsorbents

Keywords： adsorption refrigeration composite adsorbent calcium chloride sawdust carbonization

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Modeling and analysis of magnetic dipoles in weak magnetic field

WANG Zhaoxia, ZHANG Weimin, LIU Hongguang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2, Pages 222-225 doi: 10.1007/s11465-008-0028-z

Abstract: The magnetic leakage field distribution resulting from linear defects of a tube sample in the geomagneticfield is modeled according to the magnetic dipole theory.The formula to compute the normal component of the weak magnetic field is deduced based on the spatialdistribution of the magnetic dipole.The shape and characteristics of the zero line (an important criterion for magnetic memory testing) of

Keywords： geomagnetic theory important criterion magnetic leakage normal component

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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: highlight the preparation strategies, properties, and adsorption mechanisms of beta-cyclodextrin-based adsorbentsThe adsorbents can be generally classified according to the preparation methods and display high adsorptionParticularly, composite/nanocomposite beta-cyclodextrin-based adsorbents exhibit outstanding adsorptioncapacity even though the surface area is lower than that of porous and magnetic beta-cyclodextrin-basedadsorbents.

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

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Capture of carbon dioxide over porous solid adsorbents lithium silicate, lithium aluminate and magnesium

P. V. Korake, A. G. Gaikwad

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2, Pages 215-226 doi: 10.1007/s11705-010-1012-9

Abstract: The capturing process for carbon dioxide over porous solid adsorbents such as lithium silicate, lithiumdiffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), nuclear magneticThe capturing process for carbon dioxide was investigated over these adsorbents with variation of theirsilicate adsorbent was explored to investigate the variation of the capture of carbon dioxide over these adsorbents

Keywords： capturing CO₂ lithium silicate lithium aluminate magnesium aluminate

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Surgical robotics: A look-back of latest advancement and bio-inspired ways to tackle existing challenges

Yang LIU, Jing LIU

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4, Pages 376-384 doi: 10.1007/s11465-012-0352-1

Abstract: perform an exhaustive evaluation, we would emphasize more on the new insight by digesting the emerging bio-inspiredAs an alternative, bio-inspired methods or materials may shed light on new innovations.

Keywords： minimally invasive surgery surgical robotics haptic feedback miniaturization bio-inspiration bionics

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Development of barium@alginate adsorbents for sulfate removal in lithium refining

Lisa Xu, Kaifei Chen, George Q. Chen, Sandra E. Kentish, Gang (Kevin) Li

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1, Pages 198-207 doi: 10.1007/s11705-020-1968-z

Abstract: removed from the aqueous system and do not result in secondary barium contamination, these Ca/Ba@alginate adsorbents

Keywords： barium@alginate microcapsules dropwise injection sulfate removal lithium

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The preparation and performance of lignin-based activated carbon fiber adsorbents for treating gaseous

Min Song, Wei Zhang, Yongsheng Chen, Jinming Luo, John C. Crittenden

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3, Pages 328-337 doi: 10.1007/s11705-017-1646-y

Abstract: Two types of lignin-based carbon fibers were prepared by electrospinning method. The first was activated with Fe O (LCF-Fe), and the second was not activated with Fe O (LCF). Gas phase adsorption isotherms for toluene on LCF-Fe and LCF were studied. The gas phase adsorption isotherm for 0% RH showed LCF-Fe have about 439 mg/g adsorption capacity which was close to that of commercially available activated carbon (500 mg/g). The Dubinin-Radushkevich equation described the isotherm data very well. Competitive adsorption isotherms between water vapor and toluene were measured for their RH from 0 to 80%. The effect of humidity on toluene gas-phase adsorption was predicted by using the Okazaki et al. model. In addition, a constant pattern homogeneous surface diffusion model (CPHSDM) was used to predict the toluene breakthrough curve of continuous flow-packed columns containing LCF-Fe, and its capacity was 412 mg/g. Our study, which included material characterization, adsorption isotherms, kinetics, the impact of humidity and fixed bed performance modeling, demonstrated the suitability of lignin-based carbon fiber for volatile organic compound removal from gas streams.

Keywords： lignin carbon fiber electrospinning toluene humidity

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Bio-based Technologies for Resource Recovery

Aijie Wang, David Stuckey

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1079-y

Abstract:

Keywords： valign= top class= J_zhaiyao

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Combustion characteristics and kinetics of bio-oil

Ruixia ZHANG, Zhaoping ZHONG, Yaji HUANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2, Pages 119-124 doi: 10.1007/s11705-009-0068-x

Abstract: The combustion characteristics of bio-oils derived from rice husk and corn were studied by thermogravimetryin air and nitrogen atmosphere, we analyzed the combustion characteristics of different kinds of bio-oilsin different atmospheres and worked out the combustion kinetics parameters of the bio-oil, providingreliable base data for the burning of bio-oil.The thermogravimetry indicated that the combustion process of bio-oil was divided into three stages.

Keywords： bio-oil combustion characteristics combustion kinetics