[논문]폴리아크릴로나이트릴 섬유를 기반으로 한 폐수에서의 중금속 이온 제거: 총설

오현영; 이재훈; 라즈쿠마 파텔

doi:10.14579/membrane_journal.2019.29.3.123

[국내논문] 폴리아크릴로나이트릴 섬유를 기반으로 한 폐수에서의 중금속 이온 제거: 총설
Removal of Heavy Metal Ions from Wastewater by Polyacrylonitrile based Fibers: A Review 원문보기

멤브레인 = Membrane Journal, v.29 no.3, 2019년, pp.123 - 129

오현영 (연세대학교 융합과학공학부) , 이재훈 (연세대학교 화공생명공학과) , 라즈쿠마 파텔 (연세대학교 융합과학공학부)

초록
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가속화되는 산업화로 인해 중금속 이온의 침출이 환경문제로 떠오르고 있다. 수질 정화를 위한 몇 가지 방법 중 기능성 고분자 섬유를 이용한 흡착은 효율적이며 경제적이라는 장점이 있다. 특히, 폴리아크릴로나이트릴(polyacrylonitrile, PAN)은 금속 이온을 흡착할 수 있는 작용기가 많아 관심을 끌고 있다. PAN은 쉽게 전기방사를 통해 고분자 나노 섬유화될 수 있으며 높은 표면적을 가질 수 있다. 본 총설에서 다룰 복합 PAN 섬유는 폐수 처리를 위한 또 다른 유형의 고분자이다.

Abstract ▼ AI-Helper

Environmental pollution caused by the presence of heavy metal ion from growing industrialization or from leaching is increasing area of concern. There are several area of water purifications but among them adsorption on the functionalized polymer fibers is efficient and cost-effective method. Polyacrylonitrile (PAN) is exciting polymer due to the presence of excessive functional group which can be easily transformed for metal ion adsorption. PAN can be easily electrospun to prepare nanofiber that have higher surface area leading to better metal ion removal. Composite PAN fiber is yet another type of polymer covered in this review for waste water treatment.

Keyword

AI 본문요약
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제안 방법

It was further modified with phosphonic acid group. The successful modification was studied by FTIR, XRD and SEM. The modified fiber shows excellent adsorption of Hg²⁺ ion which 400% higher than the unmodified one.

이론/모형

Mg/Al layered double hydroxide intercalated with ethylenediamine tetraacetic acid (EDTA) are prepared with co-precipitation method[24]. Layered double hydroxide (LDH) was mixed with PAN solution and electrospun to fabricate LDH@PAN composite nanofiber membrane.
5~6. The process of adsorption was explained by pseudo-second-order model. Hg(II) ion concentration within the range of 50 to 200 mg L^-1 reached an adsorption equilibrium within 25 mints.

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