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螯合型吸附劑選擇性吸附金屬離子研究 = Study on Selecti...

國立高雄大學應用化學系碩士班

螯合型吸附劑選擇性吸附金屬離子研究 = Study on Selective Adsorption of Metal Ion with Chelating Adsorbents

Record Type:	Language materials, printed : monographic
Paralel Title:	Study on Selective Adsorption of Metal Ion with Chelating Adsorbents
Author:	魏蘭蘋,
Secondary Intellectual Responsibility:	國立高雄大學
Place of Publication:	[高雄市]
Published:	撰者;
Year of Publication:	2011[民100]
Description:	142面圖，表 : 30公分;
Subject:	沸石
Subject:	zeolites
Online resource:	http://handle.ncl.edu.tw/11296/ndltd/75498958168237641452
Notes:	參考書目：面123-128
Notes:	103年12月16日公開
Summary:	工業硬鉻電鍍液含有高濃度鉻化合物之酸性溶液（pH 小於1），電鍍過程常氧化鍍件中鐵、銅等金屬離子，造成電鍍液汙染，影響電鍍品質與效率。本研究探討不同吸附材料對於電鍍液所含鐵離子污染成分之選擇性吸附性能，包括無機分子篩與有機離子交換樹脂，並以離子拓印方式（Ion Imprinting， IIP）、含浸萃取劑（Solventimpregnated resin， SIR）等改質方式加以改質。本研究成功的開發一個生態環保型選擇性去除金屬技術，將實驗結果進行放大實驗，建立一座60 L 吸附槽設備於電鍍工廠操作，在含有Cr3+/Cr6+金屬電鍍溶液中，選擇性除去污染金屬離子，達到線上（on-line）處理方式，得以提升電鍍效率。本研究利用批式及連續式實驗方式測量吸附性能，批式的離子交換實驗結果得知無機沸石有大量的交換量，但其金屬離子選擇性差，且沸石不耐強酸電鍍液造成崩解，不具實用價值。離子拓印中孔MCM-41 並無良好之離子選擇性，離子拓印APS改質SiO2 則可降低鉻離子移除率從39%減至17%。在不同之離子交換樹脂之中，鐵離子吸附選擇性依序為VPOC > PK228 > A200C > S957 > Chelex100 > M4195 >P4V，連續式固定床管柱實驗結果以VPOC 1026 的鐵選擇性最佳，S957 次之，顯示D2EHPA 螯合型樹脂之離子選擇性最佳，可以有效去除鐵及鋅離子。D2-E-S957 與D2-H-S957 的小型固定床管柱處理電鍍的鐵去除容量為50 mg/g 及65 mg/g，改質後S957 較其它材料有明顯去除效果。以D2EHPA 含浸方式改質樹脂的鐵/鉻選擇性依序為D2-E-S957> S957（H） > D2-E-XAD，D2EHPA 含浸改質S957 樹脂之鐵吸附量遠高於VPOC 1026 樹脂，鐵離子吸附選擇性則較低。以分子篩進行含浸，改質Beta 沸石對於鐵離子吸附選擇性較差，改質MCM-41 之吸附特性則與S957 樹脂相當。利用Langmuir/Freundlich 等溫吸附模式及擬一階與擬二階動力學模式（Pseudofirst order/Pseudo second order）探討鐵、鉻金屬離子之吸附量為，結果顯示在吸附量為方面，樹脂S957 的吸附等溫模式較符合Langmuir isotherm 吸附模式，表示傾向單層吸附情形；其吸附動力學較符合擬二階動力學模式，表示屬於化學吸附，鐵交換容量（qmax）大於鉻容量，表示樹脂吸附選擇性取決於化學性吸附強度。 The purpose in this research is purification of chromium electroplating water. Themajor metal ion content in electroplating water is Cr6+ / Cr3+, and the pollutant ion is Fe.The difficult problem in this project is, the chromium concentration is higher than iron.And the pH value of electroplating water is low than 1.The Aim for selective removal theiron metal with chelating adsorbents, and as far as possible removes the chromium tominimum.The adsorbents in this study are zeolite, resin, and other functionalize substrate. Thezeolite adsorbents such as zeolite Y, zeolite X, and zeolite A, have the high capacity ofmetal ion, but the less ion selectivity. The commercial chelating resin, Purolite S-957,Lewatit VPOC 1026, Amberlite A200C, containing sulfonic and phosphonic acidfunctional groups was employed. Other resin such as Amberlite XAD-2, Dowex M4195.There are batch adsorption experiments and series adsorption experiments in theresearch.The order of resin selectivity of iron in the electroplating water is VPOC > PK228> A200C > S957 > Chelex100 > M4195 > P4V。In the reserch of SIR（Solvent impregnated resin）, use the D2EHPA（di（2-ethylhexyl）phosphoric acid）as the extractant, and S957 as the substrate, preparing thechelating resin adsorbent. The result of SIR removal experiment, functionalized S957,D2-E-S957, have the higher selectivity of iron ion then the substrate S957.In the study of iron and chromium adsorption behavior, the adsorption experimentsare fit with Langmuir isotherm and Pseudo second order model, the metal ion selectivity ofiron is higher than chromium.

螯合型吸附劑選擇性吸附金屬離子研究 = Study on Selective Adsorption of Metal Ion with Chelating Adsorbents
魏, 蘭蘋

螯合型吸附劑選擇性吸附金屬離子研究 = Study on Selective Adsorption of Metal Ion with Chelating Adsorbents / 魏蘭蘋撰 - [高雄市] : 撰者, 2011[民100]. - 142面 ; 圖，表 ; 30公分.
參考書目：面123-128103年12月16日公開.
沸石zeolites

螯合型吸附劑選擇性吸附金屬離子研究 = Study on Selective Adsorption of Metal Ion with Chelating Adsorbents
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330 $a 工業硬鉻電鍍液含有高濃度鉻化合物之酸性溶液（pH 小於1），電鍍過程常氧化鍍件中鐵、銅等金屬離子，造成電鍍液汙染，影響電鍍品質與效率。本研究探討不同吸附材料對於電鍍液所含鐵離子污染成分之選擇性吸附性能，包括無機分子篩與有機離子交換樹脂，並以離子拓印方式（Ion Imprinting， IIP）、含浸萃取劑（Solventimpregnated resin， SIR）等改質方式加以改質。本研究成功的開發一個生態環保型選擇性去除金屬技術，將實驗結果進行放大實驗，建立一座60 L 吸附槽設備於電鍍工廠操作，在含有Cr3+/Cr6+金屬電鍍溶液中，選擇性除去污染金屬離子，達到線上（on-line）處理方式，得以提升電鍍效率。本研究利用批式及連續式實驗方式測量吸附性能，批式的離子交換實驗結果得知無機沸石有大量的交換量，但其金屬離子選擇性差，且沸石不耐強酸電鍍液造成崩解，不具實用價值。離子拓印中孔MCM-41 並無良好之離子選擇性，離子拓印APS改質SiO2 則可降低鉻離子移除率從39%減至17%。在不同之離子交換樹脂之中，鐵離子吸附選擇性依序為VPOC > PK228 > A200C > S957 > Chelex100 > M4195 >P4V，連續式固定床管柱實驗結果以VPOC 1026 的鐵選擇性最佳，S957 次之，顯示D2EHPA 螯合型樹脂之離子選擇性最佳，可以有效去除鐵及鋅離子。D2-E-S957 與D2-H-S957 的小型固定床管柱處理電鍍的鐵去除容量為50 mg/g 及65 mg/g，改質後S957 較其它材料有明顯去除效果。以D2EHPA 含浸方式改質樹脂的鐵/鉻選擇性依序為D2-E-S957> S957（H） > D2-E-XAD，D2EHPA 含浸改質S957 樹脂之鐵吸附量遠高於VPOC 1026 樹脂，鐵離子吸附選擇性則較低。以分子篩進行含浸，改質Beta 沸石對於鐵離子吸附選擇性較差，改質MCM-41 之吸附特性則與S957 樹脂相當。利用Langmuir/Freundlich 等溫吸附模式及擬一階與擬二階動力學模式（Pseudofirst order/Pseudo second order）探討鐵、鉻金屬離子之吸附量為，結果顯示在吸附量為方面，樹脂S957 的吸附等溫模式較符合Langmuir isotherm 吸附模式，表示傾向單層吸附情形；其吸附動力學較符合擬二階動力學模式，表示屬於化學吸附，鐵交換容量（qmax）大於鉻容量，表示樹脂吸附選擇性取決於化學性吸附強度。 The purpose in this research is purification of chromium electroplating water. Themajor metal ion content in electroplating water is Cr6+ / Cr3+, and the pollutant ion is Fe.The difficult problem in this project is, the chromium concentration is higher than iron.And the pH value of electroplating water is low than 1.The Aim for selective removal theiron metal with chelating adsorbents, and as far as possible removes the chromium tominimum.The adsorbents in this study are zeolite, resin, and other functionalize substrate. Thezeolite adsorbents such as zeolite Y, zeolite X, and zeolite A, have the high capacity ofmetal ion, but the less ion selectivity. The commercial chelating resin, Purolite S-957,Lewatit VPOC 1026, Amberlite A200C, containing sulfonic and phosphonic acidfunctional groups was employed. Other resin such as Amberlite XAD-2, Dowex M4195.There are batch adsorption experiments and series adsorption experiments in theresearch.The order of resin selectivity of iron in the electroplating water is VPOC > PK228> A200C > S957 > Chelex100 > M4195 > P4V。In the reserch of SIR（Solvent impregnated resin）, use the D2EHPA（di（2-ethylhexyl）phosphoric acid）as the extractant, and S957 as the substrate, preparing thechelating resin adsorbent. The result of SIR removal experiment, functionalized S957,D2-E-S957, have the higher selectivity of iron ion then the substrate S957.In the study of iron and chromium adsorption behavior, the adsorption experimentsare fit with Langmuir isotherm and Pseudo second order model, the metal ion selectivity ofiron is higher than chromium.
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