2021
DOI: 10.3390/coatings11070850
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Removal of As(V) Based on Amino-Group Surface-Functionalized Porous Silicon Derived from Photovoltaic Silicon Cutting Powder

Abstract: In this study, amino group surface-functionalized porous silicon adsorbent was successfully prepared for the first time using diamond wire saw silicon powder (DWSSP) as raw material through copper-assisted chemical etching (Cu-ACE) and organic functional group grafting. Amino-functionalized porous silicon adsorbent (TEPA-GTS-NPSi) can be used for removing As(V) from water. The properties and mechanism of the new adsorbent were characterized by infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XP… Show more

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Cited by 2 publications
(1 citation statement)
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“…With continuous industrial production of monocrystalline silicon, the accumulation of silicon waste has become a pressing issue, exacerbated by inadequate treatment measures [2] . Current research endeavors are primarily focused on physicochemical methods for multiphase separation to recover valuable components from the waste [3] . However, these separation processes often result in secondary environmental pollution and significant economic burdens [4] .…”
Section: Introductionmentioning
confidence: 99%
“…With continuous industrial production of monocrystalline silicon, the accumulation of silicon waste has become a pressing issue, exacerbated by inadequate treatment measures [2] . Current research endeavors are primarily focused on physicochemical methods for multiphase separation to recover valuable components from the waste [3] . However, these separation processes often result in secondary environmental pollution and significant economic burdens [4] .…”
Section: Introductionmentioning
confidence: 99%