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Selective removal of iron(III) from highly salted chloride acidic solutions by solvent extraction using di(2-ethylhexyl) phosphate

Guoping Hu, Yue Wu, Desheng Chen, Yong Wang, Tao Qi, Lina Wang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 528-537 doi: 10.1007/s11705-020-1955-4

Abstract: Di(2-ethylhexyl)phosphate acid (D2EHPA) showed high extraction rate and selectivity of Fe over otherThe enthalpy for the extraction of Fe using D2EHPA was 19.50 kJ/mol.

Keywords： solvent extraction     iron     di(2-ethylhexyl)phosphate acid     separation    

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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 of1:2, and extraction time of 8 min, the vanadium extraction could reach 80.00%.Among Cl−–V, SO42−–V, and H2O–V, the V–Cl bond is longerAt 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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microextraction approach for rapid extraction and separation of Mn(II) and Co(II) using saponified D2EHPA

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 963-972 doi: 10.1007/s11705-021-2081-7

Abstract: sulfate solution simulating leachate of spent lithium-ion battery cathode materials using saponified di-(2-ethylhexyl)phosphoric acid system.effects of the following operational variables were investigated: equilibrium pH, tri-n-butyl phosphate

Keywords： extraction equilibrium     mass transfer coefficient     microextraction     multicomponent extraction     di-(2-ethylhexylethylhexyl)phosphoric acid    

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Estrogenic activities of di-2-ethylhexyl phthalate

JIN Qiumei, LI Yan, SUN Zengrong

Frontiers of Medicine 2008, Volume 2, Issue 3,   Pages 303-308 doi: 10.1007/s11684-008-0058-2

Abstract: Particularly, di-2-ethylhexyl phthalate (DEHP) has been shown to cause reproductive and developmentalFive days before the addition of the test compounds, the cells were washed by phosphate balanced solutionDi-2-ethylhexyl phthalate enhanced the proliferation of human breast cancer MCF-7 cells and might demonstrate
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Phytotoxicity in seven higher plant species exposed to di-

Tingting MA,Ying TENG,Peter CHRISTIE,Yongming LUO

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 259-268 doi: 10.1007/s11783-014-0652-2

Abstract: investigated phytotoxicity in seven plant species exposed to a range of concentrations (0– 500 mg·kg soil) of di- -butyl phthalate (DnBP) or bis (2-ethylhexyl) phthalate (DEHP), two representative phthalate esters

Keywords： phytotoxicity     di-n-butyl phthalate     bis(2-ethylhexyl) phthalate     malondialdehyde     plant pigments    

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Green Integrated Process for the Production of Compound Phosphate Fertilizer

Feng Yisheng

Strategic Study of CAE 1999, Volume 1, Issue 1,   Pages 58-62

Abstract:

The waste residue discharged from the production of compound phosphate fertilizer occupies large areaeffective utilization of sulphur resources is achieved by employing phosphorus gypsum to make sulphuric acid

Keywords： compound phosphate fertilizer     phosphoretted gypsum     sulfuric acid     cement    

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Influence of arsanilic acid, Cu

Ping He, Guangxue Wu, Rui Tang, Peilun Ji, Shoujun Yuan, Wei Wang, Zhenhu Hu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-017-1004-9

Abstract: Arsanilic acid (ASA), copper ion (Cu ) and phosphate (PO ) are widely used as feed additives for pigsThe initial concentrations of ASA, Cu and PO were 0.46 mM, 2 mM and 2 mM in the anaerobic digester,

Keywords： Arsanilic acid (ASA)     Methanogenesis     Inhibition     Copper     Phosphate     Inorganic arsenics    

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Influence of phosphate on deposition and detachment of TiO

Zhan Wang, Chongyang Shen, Yichun Du, Yulong Zhang, Baoguo Li

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1163-y

Abstract: We examined influence of phosphate on transport of TiO2 NPs in soil.Phosphate is also widespread within soil, and is likely copresent with TiO2 NPs.However, the influence of phosphate on deposition/release— and thereby on transport— of TiO2 NPs in soilIn addition, the presence of phosphate in the solution can cause a small quantity of attached TiO2 NPsOur study was the first to investigate the influence of phosphate on detachment of TiO2 NPs and the results

Keywords： Phosphate     TiO2 nanoparticles     Transport     Soil     Deposition     Detachment    

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Proline-2′-deoxymugineic acid, a phytosiderophore analog, drives beneficial rhizobacterial community

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023531

Abstract:

● Proline-2′-deoxymugineic (PDMA) significantly altered the bacterial

Keywords： Beneficial rhizobacteria recruitment     peanut     plant-soil micronutrition enhancement     proline-2′-deoxymugineicacid     stable microbial network    

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Controlled drug release of 5-amino salicylic acid by poly(2-hydroxyethylmethacrylate) grafted agar

G. Usha RANI,Kartick Prasad DEY,Srijita BHARTI,Sumit MISHRA

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 465-470 doi: 10.1007/s11705-014-1452-8

Abstract: The utilization of poly (2-hydroxyethylmethacrylate) grafted agar (Ag-g-P(HEMA)) as a matrix for thecontrolled release of 5-aminosalicylic acid was investigated.Grafted copolymers of 2-hydroxyethylmethacrylate (HEMA) monomers on agar were synthesized by microwavedrug release studies were performed at pH values of 2 and 7 in order to investigate the possibility of

Keywords： agar     controlled drug release     5-Amino salicylic acid     poly(2-hydroxyethylmethacrylate) grafted agar    

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Synthesis of micro/meso porous carbon for ultrahigh hydrogen adsorption using cross-linked polyaspartic acid

Jun Wei, Jianbo Zhao, Di Cai, Wenqiang Ren, Hui Cao, Tianwei Tan

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 857-867 doi: 10.1007/s11705-019-1880-6

Abstract: Based on the mechanism of weight loss of polyaspartic acid at high temperatures, this study providedmorphology of PCs by changing the cross-linking ratio of the precursor, where cross-linked polyaspartic acid

Keywords： porous carbon     multilevel pores     polyaspartic acid     cross-linking     hydrogen adsorption    

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Investigation of the effects of humic acid and H 2 O 2 on the photocatalytic degradation of atrazine

Chao QIN, Shaogui YANG, Cheng SUN, Jia ZHOU, Manjun ZHAN, Rongjun WANG, Huanxing CAI,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 321-328 doi: 10.1007/s11783-010-0238-6

Abstract: The effects of mannitol, oxygen, humic acid, and hydrogen dioxide on the photodegradation rate were exploredPhotodegradation of atrazine was hindered in the presence of humic acid, and the retardation effect increasedas the concentration of humic acid increased.

Keywords： atrazine     retardation effect     photocatalysis     TiO2    

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Enhanced adsorption of phosphate by loading nanosized ferric oxyhydroxide on anion resin

Jing REN,Nan LI,Lin ZHAO,Nanqi REN

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 531-538 doi: 10.1007/s11783-014-0629-1

Abstract: prepared by loading nanosized ferric oxyhydroxide (FO) on anion exchanger resin for the removal of phosphateBatch adsorption experiments revealed that higher temperature (313K), higher initial phosphate concentration(50 mg·L ) and lower solution pH (pH value of 2) would be more propitious to phosphate adsorption.Competition effect of coexisting anions on phosphate removal can be concluded as sulfate>nitrate>chlorideFreundlich isotherm model can describe the adsorption of phosphate on FOAE more accurately, which indicated

Keywords： phosphate removal     adsorption     nanosized ferric oxyhydroxide     anion exchanger    

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Improvement in the synthesis of 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl

GAO Shihao, SUN Chenghui, ZHAO Xinqi, GAO Changquan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 80-84 doi: 10.1007/s11705-008-0017-0

Abstract: 2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl thioester(III), an importantintermediate of the fourth generation cephalosporins, was efficiently synthesized by reacting 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid (I) with 2,2′-dibenzothiazole disulfide (II) in

Keywords： 5-Amino-1     2     4-thiadiazol-3-yl     1     2-dichloroethane     important intermediate     2-benzothiazolyl thioester     temperature    

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A potentiometric cobalt-based phosphate sensor based on screen-printing technology

Lei ZHU,Xiaohong ZHOU,Hanchang SHI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 945-951 doi: 10.1007/s11783-013-0615-z

Abstract: The cobalt-based phosphate sensor showed a phosphate-selective potential response in the range of 10DO and pH were found to interfere with sensor responses to phosphate.sensitivity, and stability, which are comparable with conventional bulk Co-wire sensors, the proposed phosphate

Keywords： phosphate     cobalt     screen-printing technology     electroplate     wastewater    

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Title Author Date Type Operation

Selective removal of iron(III) from highly salted chloride acidic solutions by solvent extraction using di(2-ethylhexyl) phosphate

Guoping Hu, Yue Wu, Desheng Chen, Yong Wang, Tao Qi, Lina Wang

Journal Article

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

Journal Article

microextraction approach for rapid extraction and separation of Mn(II) and Co(II) using saponified D2EHPA

Journal Article

Estrogenic activities of di-2-ethylhexyl phthalate

JIN Qiumei, LI Yan, SUN Zengrong

Journal Article

Phytotoxicity in seven higher plant species exposed to di-

Tingting MA,Ying TENG,Peter CHRISTIE,Yongming LUO

Journal Article

Green Integrated Process for the Production of Compound Phosphate Fertilizer

Feng Yisheng

Journal Article

Influence of arsanilic acid, Cu

Ping He, Guangxue Wu, Rui Tang, Peilun Ji, Shoujun Yuan, Wei Wang, Zhenhu Hu

Journal Article

Influence of phosphate on deposition and detachment of TiO

Zhan Wang, Chongyang Shen, Yichun Du, Yulong Zhang, Baoguo Li

Journal Article

Proline-2′-deoxymugineic acid, a phytosiderophore analog, drives beneficial rhizobacterial community

Journal Article

Controlled drug release of 5-amino salicylic acid by poly(2-hydroxyethylmethacrylate) grafted agar

G. Usha RANI,Kartick Prasad DEY,Srijita BHARTI,Sumit MISHRA

Journal Article

Synthesis of micro/meso porous carbon for ultrahigh hydrogen adsorption using cross-linked polyaspartic acid

Jun Wei, Jianbo Zhao, Di Cai, Wenqiang Ren, Hui Cao, Tianwei Tan

Journal Article

Investigation of the effects of humic acid and H 2 O 2 on the photocatalytic degradation of atrazine

Chao QIN, Shaogui YANG, Cheng SUN, Jia ZHOU, Manjun ZHAN, Rongjun WANG, Huanxing CAI,

Journal Article

Enhanced adsorption of phosphate by loading nanosized ferric oxyhydroxide on anion resin

Jing REN,Nan LI,Lin ZHAO,Nanqi REN

Journal Article

Improvement in the synthesis of 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl

GAO Shihao, SUN Chenghui, ZHAO Xinqi, GAO Changquan

Journal Article

A potentiometric cobalt-based phosphate sensor based on screen-printing technology

Lei ZHU,Xiaohong ZHOU,Hanchang SHI

Journal Article