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Synthesis of mono and bis-4-methylpiperidiniummethyl-urea as corrosion inhibitors for steel in acidic

Abbas TEIMOURI, Nasrin SOLTANI, Alireza Najafi CHERMAHINI

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 43-50 doi: 10.1007/s11705-010-0532-7

Abstract: methylpiperidiniummethyl urea were synthesized, characterized and used as new corrosion inhibitors of mild steel in the acidic

Keywords： corrosion inhibitors     mild steel     acidic medium     theoretical studies     DFT    

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Removing ammonia from air with a constant pH, slightly acidic water　spray wet scrubber using recycled

Ahmad Kalbasi Ashtari, Amir M. Samani Majd, Gerald L. Riskowski, Saqib Mukhtar, Lingying Zhao

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0869-3

Abstract: Slightly acidic solutions are a practical means of removing ammonia from air Scrubbed NH accumulatesNH removal and increased NH collection Previous research on wet scrubbers has only studied highly acidicThe objective of this study was to determine if a spray scrubber with slightly acidic and higher pH scrubbingThis study has shown that slightly acidic scrubbing solutions are a practical means of removing ammonia

Keywords： Ammonia     Spray wet scrubber     Slightly acidic scrubbing solution     Controlled pH     Removal efficiency    

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Effective and selective separation of perrhenate from acidic wastewater by super-stable, superhydrophobic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1456-9

Abstract:

• A ZnO-biochar hybrid composite was prepared by solvothermal-pyrolysis synthesis.

Keywords： Selectivity     Adsorption     Re(VII)     ZnO     Biochar    

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A pyrazine based metal-organic framework for selective removal of copper from strongly acidic solutions

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1633-0

Abstract:

● pz-UiO-66 was synthesized facilely by a solvothermal method.

Keywords： Pyrazine     Metal-organic frameworks     Copper removal     Strong acidity     High selectivity    

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nsted acidic ionic liquids

Xiaomeng WANG, Mingjuan HAN, Hui WAN, Cao YANG, Guofeng GUAN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 107-112 doi: 10.1007/s11705-010-0539-0

Abstract: nsted acidic ionic liquids (ILs), -methylimidazole hydrogen sulfate ([HMIm]HSO ) and -methylpyrrolidone

Keywords： br?nsted ionic liquids     model gasoline     thiophene     extraction     density functional theory    

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Improved CO

Mahboube Ghahramaninezhad, Fatemeh Mohajer, Mahdi Niknam Shahrak

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 3,   Pages 425-435 doi: 10.1007/s11705-019-1873-5

Abstract: Afterwards, acidic hydrogen atoms in the hydroxyl groups of ZIF-91 were exchanged with lithium cations

Keywords： hard/hard structure     acidic hydrogen     ZIF-91     carbon capture     ZIF-91-OLi    

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Selective removal of iron(III) from highly salted chloride acidic solutions by solvent extraction using

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: Metal ions including Fe , Ca , Mg , Ni , Co and Cu are commonly found in the leaching solution of laterite-nickel ores, and the pre-removal of Fe is extremely important for the recovery of nickel and cobalt. Di(2-ethylhexyl)phosphate acid (D2EHPA) showed high extraction rate and selectivity of Fe over other metal ions. The acidity of the aqueous solution is crucial to the extraction of Fe , and the stoichiometry ratio between Fe and the extractant is 0.86:1.54. The enthalpy for the extraction of Fe using D2EHPA was 19.50 kJ/mol. The extraction of Fe was ≥99% under the optimized conditions after a three-stage solvent extraction process. The iron stripping effects of different reagents showed an order of H C O >NH HCO >HCl>NaCl>NaHCO >Na SO . The stripping of Fe was ≥99% under the optimized conditions using H C O as a stripping reagent.

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

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Electrolyzed water and its application in animal houses

Weichao ZHENG,Li NI,Baoming LI

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 3,   Pages 195-205 doi: 10.15302/J-FASE-2016109

Abstract: Slightly acidic electrolyzed water (SAEW, pH 5.0–6.5) and neutral electrolyzed water (NEW, pH 6.5–8.5

Keywords： disinfection     poultry and livestock     slightly acidic electrolyzed water     neutral electrolyzed water    

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Electro-assisted regeneration of ion exchange resins

LIU Zhigang, WANG Ying, LI Yansheng, CHANG Hui

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 410-414 doi: 10.1007/s11783-008-0069-x

Abstract: Electro-assisted regeneration (EAR) for the mixed bed of strongly acidic cation and weakly basic anion

Keywords： effluent volume     acidic     three-compartment     weakly     exchange    

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Title Author Date Type Operation

Synthesis of mono and bis-4-methylpiperidiniummethyl-urea as corrosion inhibitors for steel in acidic

Abbas TEIMOURI, Nasrin SOLTANI, Alireza Najafi CHERMAHINI

Journal Article

Removing ammonia from air with a constant pH, slightly acidic water　spray wet scrubber using recycled

Ahmad Kalbasi Ashtari, Amir M. Samani Majd, Gerald L. Riskowski, Saqib Mukhtar, Lingying Zhao

Journal Article

Effective and selective separation of perrhenate from acidic wastewater by super-stable, superhydrophobic

Journal Article

A pyrazine based metal-organic framework for selective removal of copper from strongly acidic solutions

Journal Article

nsted acidic ionic liquids

Xiaomeng WANG, Mingjuan HAN, Hui WAN, Cao YANG, Guofeng GUAN

Journal Article

Improved CO

Mahboube Ghahramaninezhad, Fatemeh Mohajer, Mahdi Niknam Shahrak

Journal Article

Selective removal of iron(III) from highly salted chloride acidic solutions by solvent extraction using

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

Journal Article

Electrolyzed water and its application in animal houses

Weichao ZHENG,Li NI,Baoming LI

Journal Article

Electro-assisted regeneration of ion exchange resins

LIU Zhigang, WANG Ying, LI Yansheng, CHANG Hui

Journal Article