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Dialdehyde cellulose nanocrystal cross-linked chitosan foam with high adsorption capacity for removalof acid red 134

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 853-866 doi: 10.1007/s11705-022-2256-x

Abstract: However, the high adsorption capacity, predominant pH-responsibility, and excellent recyclability arechitosan (w/w) of 12/100, the resultant foam (Foam-12) possesses excellent absorption properties, such as highporosity, high content of active sites, strong acid resistance, and high amorphous region.Then, Foam-12 was applied as an eco-friendly adsorbent to remove acid red 134 (a representative of anionicIts easy recovery and good reusability are verified by the repeated acid adsorption–alkaline desorption

Keywords： chitosan foam     cellulose nanocrystals     acid red 134     adsorption    

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High production of butyric acid by

Chao Ma,Jianfa Ou,Matthew Miller,Sarah McFann,Xiaoguang (Margaret) Liu

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3,   Pages 369-375 doi: 10.1007/s11705-015-1525-3

Abstract: The objective of this study was to improve the production of butyric acid by process optimization usingFirst, the free-cell fermentation at pH 6.0 produced butyric acid with concentration of 38.44 g/L andIt was found that the highest titer of butyric acid, 63.02 g/L, was achieved at pH 6.5.and butyric acid.This study demonstrated that high butyric acid production could be obtained by integrating metabolic

Keywords： Clostridium tyrobutyricum     butyric acid production     fermentation     mutant     pH     flux balance analysis    

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Vanadium(IV) solvent extraction enhancement in high acidity using di-(2-ethylhexyl)phosphoric acid with

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 56-67 doi: 10.1007/s11705-022-2185-8

Abstract: In this study, coordination mechanism of vanadium in acid leaching solution at low pH was investigatedUnder the conditions of pH 0.8, di-(2-ethylhexyl)phosphoric acid concentration of 20%, phase ratio ofAt the same time, the hydrogen ions of di-(2-ethylhexyl)phosphoric acid also enter the water phase more

Keywords： vanadium     black shale     solvent extraction     high acidity extraction    

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Formic acid dehydrogenation reaction on high-performance PdAu alloy nanoparticles prepared by the eco-friendly

Frontiers in Energy   Pages 751-762 doi: 10.1007/s11708-023-0895-3

Abstract: Dehydrogenation of formic acid (FA) is considered to be an effective solution for efficient storage andvarious measurement methods, such as X-ray diffraction (XRD), N2 adsorption–desorption, highsub>/nFA = 0.01, nHCOOH/nHCOONa = 1:3) with a high

Keywords： FA dehydrogenation     face-centred cubic structures     PdAu solid solution alloy nanoparticles     slow synthesis methodology     SMSI effect    

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Fabrication of high-performance pervaporation composite membrane for alkaline wastewater reclamation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 709-719 doi: 10.1007/s11705-021-2078-2

Abstract: Moreover, the membrane was stable in 4 wt-% sulfuric acid and a 500 mg·L−1 sodium hypochlorite

Keywords： pervaporation     alkaline solution concentration     polyethylene membrane     acid resistance     chlorine tolerance    

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The construction of technical standards system for ultra deep and high acid Gas Field in North-East of

Liu Yintao,Liao Chengrui,Yang Yukun

Strategic Study of CAE 2010, Volume 12, Issue 10,   Pages 97-102

Abstract: SINOPEC Group established an integrated suit of technical company standards system for ultra deep and highacid gas field.containing geophysical prospecting, drilling, logging, well logging, gas well test and collection, acid

Keywords： ultra deep     high acid     natural gas     exploration and development     enterprise standard    

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Acid resistance of methanogenic bacteria in a two-stage anaerobic process treating high concentration

ZHOU Xuefei, REN Nanqi

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 53-56 doi: 10.1007/s11783-007-0010-8

Abstract: batch experiments were employed to evaluate the performance of anaerobic digestion for the treatment of highThe acid resistance of granular sludge and methanogenic bacteria and their metabolizing activity wereMethanosarcina barkeri, had some acid resistance and could still degrade methanol at pH 5.0.If the methanogenic bacteria were trained further, their acid resistance would be improved somewhat.

Keywords： pH     Granular     upflow anaerobic     advisable pH     methanogenic    

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Effects of fatty acid chain length and degree of unsaturation on the surface activities of monoacyl trehaloses

Yue-E SUN, Wenshui XIA, Xueyan TANG, Zhiyong HE, Jie CHEN,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 407-412 doi: 10.1007/s11705-009-0255-9

Abstract: were enzymatically synthesized and purified with silica gel column chromatography and semi-preparative high-performance

Keywords： high-performance liquid     tension     different     spectrometry     chromatography    

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Laboratory study on high-temperature adsorption of HCl by dry-injection of Ca(OH)

Junjun TAN,Guohua YANG,Jingqiao MAO,Huichao DAI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 863-870 doi: 10.1007/s11783-013-0618-9

Abstract: Combustion-generated hydrogen chloride (HCl) is considered to be a very hazardous acid gaseous pollutant

Keywords： acid gas HCl     Ca(OH)2     dry adsorption     high temperature     dual-layer granular bed filter    

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High Sn-2 Docosahexaenoic Acid Lipids for Brain Benefits, and Their Enzymatic Syntheses: A Review Review

Jun Jin, Qingzhe Jin, Xingguo Wang, Casimir C. Akoh

Engineering 2020, Volume 6, Issue 4,   Pages 424-431 doi: 10.1016/j.eng.2020.02.009

Abstract: and maintenance of central neural functions are highly correlated with the amount of docosahexaenoic acidspan style="font-family:"Times New Roman","serif"">ω-3 fatty acidstyle="font-family:"Times New Roman","serif"">ω-6 fatty acidTo achieve high sn-2 DHA in diets, it is suggested that sn-2 DHA lipids be enzymatically

Keywords： Docosahexaenoic acid， Sn-2 docosahexaenoic acid，Monoacylglycerol，Brain，Gut-brain axis，Structured lipid    

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The exploration and development engineering technology for ultra deep and high acid gas field in Northeast

Shen Chen

Strategic Study of CAE 2010, Volume 12, Issue 10,   Pages 29-34

Abstract:

High H2S and CO2 content, complicated geological condition and field environment

Keywords： Northeast Sichuan     ultra-deep well     high sulfur     exploration and development     drilling     completion    

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Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1198-1210 doi: 10.1007/s11705-021-2133-z

Abstract: Sulfonic acid functionalized mesoporous silica based solid acid catalysts with different morphology wereThe sulfonic acid functionalized mesoporous silica catalysts of spherical shape and the cube shape werecatalytic biodiesel production reaction over the catalysts were studied by esterification of free fatty acid, oleic acid with methanol.The effect of various reaction parameters such as catalyst concentration, acid/alcohol molar ratio, catalyst

Keywords： solid acid catalyst     mesoporous silica     sulfonic acid     biodiesel     esterification     oleic acid    

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Amino acid promoted hydrogen battery system using Mn-pincer complex for reversible CO hydrogenation toformic acid

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 697-699 doi: 10.1007/s11708-022-0843-7

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Enzyme@bismuth-ellagic acid: a versatile platform for enzyme immobilization with enhanced acid-base stability

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 784-794 doi: 10.1007/s11705-022-2278-4

Abstract: biocatalysts; however, it is limited by the conditions of metal–organic framework synthesis and its acid-baseHerein, a biocatalytic platform with improved acid-base stability was constructed via a one-pot methodusing bismuth-ellagic acid as the carrier.Bismuth-ellagic acid is a green phenol-based metal–organic framework whose organic precursor is extractedacid was enhanced, which remained stable over a wide pH range (2–12) and achieved multiple recycling

Keywords： bismuth-ellagic acid     in situ encapsulation     enzyme@MOF biocomposites    

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Discovery of novel ursolic acid derivatives as effective antimicrobial agents through a ROS-mediated

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2101-2113 doi: 10.1007/s11705-023-2361-5

Abstract: In this study, we prepared three series of ursolic acid derivatives and assessed their antibacterialredox system of phytopathogenic bacteria, further demonstrating the unprecedented potential of ursolic acid

Keywords： ursolic acid     antibacterial activities     reactive oxygen species     apoptosis    

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Title Author Date Type Operation

Dialdehyde cellulose nanocrystal cross-linked chitosan foam with high adsorption capacity for removalof acid red 134

Journal Article

High production of butyric acid by

Chao Ma,Jianfa Ou,Matthew Miller,Sarah McFann,Xiaoguang (Margaret) Liu

Journal Article

Vanadium(IV) solvent extraction enhancement in high acidity using di-(2-ethylhexyl)phosphoric acid with

Journal Article

Formic acid dehydrogenation reaction on high-performance PdAu alloy nanoparticles prepared by the eco-friendly

Journal Article

Fabrication of high-performance pervaporation composite membrane for alkaline wastewater reclamation

Journal Article

The construction of technical standards system for ultra deep and high acid Gas Field in North-East of

Liu Yintao,Liao Chengrui,Yang Yukun

Journal Article

Acid resistance of methanogenic bacteria in a two-stage anaerobic process treating high concentration

ZHOU Xuefei, REN Nanqi

Journal Article

Effects of fatty acid chain length and degree of unsaturation on the surface activities of monoacyl trehaloses

Yue-E SUN, Wenshui XIA, Xueyan TANG, Zhiyong HE, Jie CHEN,

Journal Article

Laboratory study on high-temperature adsorption of HCl by dry-injection of Ca(OH)

Junjun TAN,Guohua YANG,Jingqiao MAO,Huichao DAI

Journal Article

High Sn-2 Docosahexaenoic Acid Lipids for Brain Benefits, and Their Enzymatic Syntheses: A Review

Jun Jin, Qingzhe Jin, Xingguo Wang, Casimir C. Akoh

Journal Article

The exploration and development engineering technology for ultra deep and high acid gas field in Northeast

Shen Chen

Journal Article

Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Journal Article

Amino acid promoted hydrogen battery system using Mn-pincer complex for reversible CO hydrogenation toformic acid

Journal Article

Enzyme@bismuth-ellagic acid: a versatile platform for enzyme immobilization with enhanced acid-base stability

Journal Article

Discovery of novel ursolic acid derivatives as effective antimicrobial agents through a ROS-mediated

Journal Article