INVESTIGATION OF ALGINATE HYDROGEL ENCAPSULATING PEO- PPO-PEO BLOCK COPOLYMER FOR EXTRACTION TRACE ORGANICS

苏延磊; 刘会洲

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INVESTIGATION OF ALGINATE HYDROGEL ENCAPSULATING PEO- PPO-PEO BLOCK COPOLYMER FOR EXTRACTION TRACE ORGANICS

更新时间：2025-12-16

- INVESTIGATION OF ALGINATE HYDROGEL ENCAPSULATING PEO- PPO-PEO BLOCK COPOLYMER FOR EXTRACTION TRACE ORGANICS
- CIESC Journal Issue S1, (2000)
- 作者机构：
  
  中科院化工冶金研究所分离科学与工程青年室、生化工程国家重点实验室!北京100080,中科院化工冶金研究所分离科学与工程青年室、生化工程国家重点实验室,北京,100080
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q028
- Online First：30 December 2000，
  
  Published：30 December 2000
- 稿件说明：
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苏延磊, 刘会洲. INVESTIGATION OF ALGINATE HYDROGEL ENCAPSULATING PEO- PPO-PEO BLOCK COPOLYMER FOR EXTRACTION TRACE ORGANICS[J]. CIESC Journal, 2000, (S1).
DOI：

苏延磊, 刘会洲. INVESTIGATION OF ALGINATE HYDROGEL ENCAPSULATING PEO- PPO-PEO BLOCK COPOLYMER FOR EXTRACTION TRACE ORGANICS[J]. CIESC Journal, 2000, (S1). DOI：

摘要

包埋聚氧乙烯－聚氧丙烯－聚氧乙烯嵌段共聚物的海藻酸钠水凝胶具有萃取水中低浓度有机物的能力，疏水性强的嵌段共聚物具有较强的萃取能力。水凝胶经过干燥脱水、有机溶剂浸泡和吸水再生，可以循环再利用。

Abstract

Poly(ethylene oxide) -poly(propylene oxide) -poly-(ethylene oxide) block copolymers (PEO-PPO- PEO) are encapsulated with sodium alginate hydrogel. The apparent partition coefficients of naphthalene based on inside and outside hydrogel beads of encapsulating six block copolymers are measured

the results indicate that hydrogel encapsulating L122 black copolymer has the largest capacity to extract naphthalene. The extrsction capacity of hydrogel is enhanced by increase temperature. The alginate hydrogel can be reused through a process of dryness

reverse-extraction and regeneration.

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