Fabrication of hydrochar functionalized Fe–Mn binary oxide nanocomposites: characterization and 17β-estradiol removal

Abstract

In this work, Fe–Mn binary oxide modified hydrochar (hydrochar-FMBO) was successfully prepared by deposition of Fe–Mn binary oxide (FMBO) nanoparticles on pristine hydrochar.

VO2 Thermochromic Smart Window: Status, Challenges and Prospects

“…Morin 于 1952 年 发 现 [4] 或 Ta 5+ 时 [6][7][8][9][10] ，相变温度会随之降低；而当掺入低价 态离子如 Ti 2+ 、Al 3+ 、Ga 3+ 或 Cr 3+ 时 [11][12][13] ，相变温度 [14] ，Zn [15] 等。 对于某些掺杂元素，还可以起到宽化 VO2 能带的效 果。Tang 等 [16] 利用局部 X 射线吸收光谱证明了掺杂 (a) Comparison of the optical hysteresis at 2000 nm of VO2 film and W-doped VO2 film [9] ; (b) Transmittance hysteresis loops at λ=2000 nm for V1-xMoxO2 films [10] ;…”

The preparation of a novel iron/manganese binary oxide for the efficient removal of hexavalent chromium [Cr(vi)] from aqueous solutions

“…[25][26][27] Hence, it is necessary to prepare an adsorbent with high adsorption capacity and propose the possible adsorption mechanism via characterization, adsorption performance, adsorption isotherm and adsorption kinetics. [28][29][30][31][32] Herein, a novel Fe-Mn binary oxide adsorbent was prepared via a "two-step method" combined with the co-precipitation method and hydrothermal method, and the adsorbent was characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), Fouriertransform infrared spectra (FTIR), thermogravimetric analysis (TGA), zeta potential, BET and X-ray photoelectron spectroscopy (XPS). The removal of CrO 4…”

Removal of synthetic sex hormones by hydrothermal carbonization

“…The achievement of high efficiencies (> 90%) in the removal of pharmaceuticals and EDs in sewage treatment systems is achieved through the adoption of tertiary treatment systems which employ physico-chemical methods such as activated carbon adsorption and chemical oxidation (conventional and advanced) (Waring and Harris 2005). Recent literature verified that hydrochars and carbon-sorbents could be efficiently utilized as a high-performance sustainable material for organic contaminants removal (Ning et al 2017, Ma et al 2017. In order to meet new environmental technologies, research and development efforts are being made to optimize the efficiency of techniques concerning the remediation of emerging pollutants in contaminated wastewaters Gestodene is structurally related to the progestogen levonorgestrel.…”