2018
DOI: 10.1016/j.biortech.2017.09.107
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Polyethylene imine modified hydrochar adsorption for chromium (VI) and nickel (II) removal from aqueous solution

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Cited by 209 publications
(78 citation statements)
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“…Up to now, the presence of multiple functional groups on the surface of the hydrochars has limited their chemoselective functionalization . A glutaraldehyde cross‐linked polyethylene imine strategy has successfully been applied for the derivatization of hydrochars, but more efforts are required for their selective functionalization.…”
Section: Introductionmentioning
confidence: 99%
“…Up to now, the presence of multiple functional groups on the surface of the hydrochars has limited their chemoselective functionalization . A glutaraldehyde cross‐linked polyethylene imine strategy has successfully been applied for the derivatization of hydrochars, but more efforts are required for their selective functionalization.…”
Section: Introductionmentioning
confidence: 99%
“…Ni(II) is an abundant metal, which can find its way into the human body through water. It diffuses and accumulates in human organs and causes problems like neurotoxicity, hepatotoxicity, nephrotoxicity, gene toxicity, reproductive toxicity, and diseases, namely, respiratory cancer, cardiovascular and kidney illness [5,6]. Similar to Ni(II), a high concentration of Co(II) in water also has impact on human health and causes low blood pressure, visual and hearing problems, respiratory illness, cardiac problems, and even human decease [7,8].…”
Section: Introductionmentioning
confidence: 99%
“…In recent years, the health of human beings has been endangered by heavy metal ions, and it is therefore very important to remove heavy metals from aqueous solutions due to their toxicity and bioaccumulation. [1][2][3][4] Moreover, excessive intake of heavy metal ions, for example, Ni(II), 5 Cu(II), 6 Zn(II) 7 and Cr(III) 8 is harmful to humans and other species. A wide range of technologies have been investigated for heavy metal ion removal from water including chemical precipitation, 9 organic chelation, 10,11 biological removal, 12 ion-exchange, 13,14 membrane separation 15 and adsorption.…”
Section: Introductionmentioning
confidence: 99%