نتایج جستجو برای: adsorption enthalpy

تعداد نتایج: 60415  

ژورنال: سلامت و محیط زیست 2019

Background and Objective: Due to the existence of industries such as stainless steel, the presence of nickel (II) ions in water and wastewater has been reported at high concentrations. Removal of nickel (II) ions from wastewater and the environment are of primary importance. In this study, iron (III) oxide nanoparticles were studied as an adsorbent for removal of Ni (II) ions from water in the ...

2015
Etsuro Ito Yusuke Ikemoto Tohru Yoshioka

The activity of thermo-transient receptor potential (TRP) channels is highly dependent on temperature, and thus thermo-TRP reactions have a high temperature coefficient Q 10. In thermodynamics, a high value of Q 10 indicates the existence of a large activation energy (i.e., a large enthalpy) over a short period during the transition process between the closed and open states of the channels. Th...

Journal: :Chemical Physics Letters 2023

Potential applicability of pristine and Al-doped boron carbide nanotube (BCN Al-BCN) as glucose (GLU) sensor is investigated using density functional theory. Adsorption GLU on top BCN leads to adsorption energy (Eads), enthalpy (ΔH), Gibbs free (ΔG) −14.82, −14.35, −0.97 kcal.mol−1, respectively. While the corresponding values for Al-BCN are calculated be –23.29, −24.17, −11.03 The detection po...

In this study, the performance of fullerene (C20) and boron nitride cage (B12N12) as a sensing material for detection of proline was evaluated by density functional theory. For this purpose, the structures of proline, C20, B12N12 and the derived products from the proline adsorption on the surface of nanostructures were optimized geometrically. Then, IR and Frontier molecular orbital calculation...

Journal: :international journal of environmental research 2014
m.a. zulfikar h. setiyanto d. wahyuningrum r.r. mukti

the objective of this study is synthesis and characterization of the chitosan-silica composite (csc) and use them as an adsorbent material for peat water treatment. the resulting composite was characterizedby fourier transform infrared (ftir) spectroscopy, scanning electron microscope (sem), x-ray diffraction(xrd), n2 adsorption-desorption isotherm and zeta potential. the sorption experiments w...

Journal: :Physical chemistry chemical physics : PCCP 2015
Leah Morris Michel L Trudeau Daniel Reed David Book David M Antonelli

In this paper we present amorphous chromium(III) hydride gels that show promise as reversible room temperature hydrogen storage materials with potential for exploitation in mobile applications. The material uses hydride ligands as a light weight structural feature to link chromium(III) metal centres together which act as binding sites for further dihydrogen molecules via the Kubas interaction, ...

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