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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 王明光 | |
| dc.contributor.author | Cheng-Hua Liu | en |
| dc.contributor.author | 劉政樺 | zh_TW |
| dc.date.accessioned | 2021-06-13T00:11:06Z | - |
| dc.date.available | 2009-07-31 | |
| dc.date.copyright | 2007-07-31 | |
| dc.date.issued | 2007 | |
| dc.date.submitted | 2007-07-27 | |
| dc.identifier.citation | 1. 阮國棟. 1986. 砷之污染特性及處理技術. 工業污染防制. 5:156-165.
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Infrared and raman study of interlayer anions CO32-, NO3-, SO42- and ClO4- in Mg/Al-hydrotalcite. American Mineralogist. 87(3):623-629. 26. Kondo, H., Y. Ishiguro, K. Ohno, M. Nagase, M. Toba, and T. Makoto. 1999. Naturally occurring arsenic in the groundwater in the southern region of Fukuoka Prefecture, Japan. Water research. 33:1967-1972. 27. Korte, N. E., and Q. Fernando. 1991. A review of arsenic(III) in groundwater. Critical Reviews in Environmental Control. 21:1-39. 28. Kovanda, F., E. Kovácsová, and D. Koloušek. 1999. Removal of anions from solution by calcined hydrotalcite and regeneration of used sorbent in repeated calcination-rehydration-anion exchange proceses. Collection of Czechoslovak chemical communications. 64:1517–1528. 29. Labajos F.M., V. Rives, and M.A. Ulibarri. 1992. Effect of hydrothermal and thermal treatments on the physicochemical properties of Mg-Al hydrotalcite-like materials. Journal of materials science . 27: 1546-1552. 30. Manasse, E. 1915. 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Arsenic in drinking water Part 4: arsenic removal methods. Water engineering and management. 149: 20-24. 38. Reichle, W.T. 1985. Catalytic reactions by thermally activated, synthetic, anionic clay minerals. Journal of catalysis. 94(2):547-557. 39. Rives, V., and M.A. Ulibarri. 1999. Layered double hydroxides (LDH) intercalated with metal coordination compounds and oxometalates. Coordination Chemistry Reviews. 181(1):61-120. 40. Sadler, R., H. Olszowy, G. Shaw, and D. Cnell. 1994. Soil and water contamination by arsenic form tannery waste. Water, Air, and Soil Pollution. 78: 189-198. 41. Smedley, P.L., and D.G. Kinniburgh. 2002. A review of source, behavior and distribution of arsenic in natural waters. Applied Geochemistry. 17:517-568. 42. Taylor, H.F.W. 1969. Mineralogical Magazine and Journal of the Mineralogical Society. 37:338. 43. U.S. EPA. 2001. Drinking water standard for arsenic; EPA-815-F-00-015; U.S. Government Printing Office: Washington, DC. 44. Vaaramaa, K., and J. Lehto. 2003. Removal of metals and anions from drinking water by ion exchange. Desalination. 155:157-170. 45. Viraraghavan, T., K.S. Subramanian, and J.A. Aruldoss. 1999. Arsenic in drinking water problems and solution. Water research. 40: 69-76. 46. Wang, S.L., and P.C. Wang. 2006. In situ XRD and ATR-FTIR study on the molecular orientation of interlayer nitrate in Mg/Al-layered double hydroxides in water. Colloids and surfaces A : Physicochemical and engineering aspects . 292:131-138. 47. WHO. 1993. Guidelines for drinking water quality. Volume 1: Recommendations. 2nd edition. World Health Organization: Geneva. 48. Yager, J.W., and J.K. Wiencke. 1993. Enhancement of chromosomal damage by arsenic:implications for mechanism. Environmental health perspectives. 101(3):79-82. 49. Yamauchi, H., and A.F. Bruce. 1994. Toxicity and metabolism of inorganic and methylated arsenicals. In arsenic in the environment Ⅱ. Human health and ecosystem effects (JO.Nriagu,ED). Wiley New York. p. 35-43. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/28531 | - |
| dc.description.abstract | 本研究利用共沉澱法合成了三種不同鎂鋁莫耳比(Mg/Al = 2, 3, 4)硝酸根型層狀雙氫氧化物(Layered double hydroxides, LDH)作為吸附劑，用來移除水溶液中的五價砷(arsenate, As(V))。從動力吸附實驗的結果可知，三種LDH對As(V)的吸附反應皆在60分鐘內可達到平衡，且其反應模式較符合Elovich速率方程式(r2 = 0.94 ~ 0.98)。從等溫吸附實驗的結果發現，使用Langmuir等溫吸附模式最能模擬LDH對As(V)的吸附行為(r2 = 0.90 ~ 0.99)，且Mg2Al-LDH對As(V)的吸附量最大(1.56 mmol g-1)，Mg3Al-LDH次之(1.08 mmol g-1)，Mg4Al-LDH最低(0.36 mmol g-1)。由於Mg2Al-LDH對As(V)的吸附量最大，因此針對它進行後續吸附實驗。從pH值效應實驗中得知，LDH對As(V)的吸附量隨著pH值的降低而增加，且pH 5時吸附量最大。從溫度效應實驗中得知，LDH對As(V)的吸附量受溫度變化影響較低，但主要趨勢是隨著溫度升高而降低。從共存陰離子的競爭吸附實驗中得知，HPO42−和SO42−對As(V)的競爭吸附能力較強，而Cl−和NO3−則沒有觀察到明顯的競爭行為發生。將吸附As(V)之後的LDH進行X射線繞射(XRD)和傅立葉轉換紅外線光譜(FTIR)分析，XRD分析結果發現，在55 %的相對濕度下Mg2Al-LDH的層間間距增加至11 Å，105 ℃去除水分之後的層間間距則是減少至8.7 Å，而Mg3Al和Mg4Al-LDH的層間間距變化量則不明顯< 0.3 Å)；從FTIR分析結果可知，Mg2Al-LDH原本位於1383 cm-1的NO3-吸收峰強度明顯降低，而Mg3Al-LDH的NO3-吸收峰僅有些微的降低，Mg4Al-LDH則沒有觀察到明顯的變化；而從離子交換實驗發現，As(V)的吸附量和NO3−的交換量的莫爾數比接近1:1。由上述結果可以推測，MgAl-LDH對As (V)的吸附是以離子交換反應為主要貢獻，表面吸附的貢獻量較低。LDH的合成相當容易，價格相對低廉，擁有極佳的吸附能力，並具有可重複利用之特性，綜合以上各個優點，因此對砷的移除而言，LDH是一種相當具有潛力的吸附劑。 | zh_TW |
| dc.description.provenance | Made available in DSpace on 2021-06-13T00:11:06Z (GMT). No. of bitstreams: 1 ntu-96-R94623022-1.pdf: 1180225 bytes, checksum: 890af18d85d94c9cc22c818a03812def (MD5) Previous issue date: 2007 | en |
| dc.description.tableofcontents | 目錄
目錄…………………………………………………………………………I 圖目錄…………………………………………………………………….IV 表目錄…………………………………………………………………….VI 摘要……………………………………………………………………...VII 第一章 前言……………………………………………………………….1 第二章 文獻回顧……………………………………………………….…2 第一節 砷……………………………………………………………….…2 2-1-1. 砷的基本性質……………………………………………………...2 2-1-2. 砷污染的來源……………………………………………...………3 2-1-3. 砷的毒性…………………………………………………………...7 2-1-4. 砷的移除…………………………………………….……………10 第二節 層狀雙氫氧化物(LDH) ……………………………….……..…13 2-2-1 LDH的歷史……………………………………………………...…13 2-2-2 LDH的化學組成和結構性質……………………………...………14 2-2-3 LDH的再生性質…………………………………………………...15 第三章 材料與方法…………………………………………………….19 3-1合成層狀雙氫氧化物………………………………………………...19 3-2層狀雙氫氧化物的基本性質………………………………………...20 3-2-1化學組成分析………………………………………………………20 3-2-2. X光繞射分析……………………………………………………...20 3-2-3. 紅外線分析……………………………………………………….21 3-2-4. 熱分析…………………………………………………………….21 3-2-5. 粒徑分析……………………………………………………….…21 3-3吸附實驗……………………………………………………………...22 3-3-1. 動力吸附………………………………………………………….22 3-3-2. 等溫吸附…………………………………………………….……22 3-3-3. 吸附劑劑量效應………………………………………………….23 3-3-4. pH值效應………………………………………………………….23 3-3-5. 溫度效應…………………………………………….……………23 3-3-6. 共存陰離子效應…………….....…………………………………24 3-3-7. 脫附實驗…………………………………………………….……24 3-3-8. 脫附動力學實驗………………………………………………….25 第四章 結果與討論………………………………………………….…26 4-1 LDH的基本性質……………………………………………………..26 4-1-1. 化學組成分析…………………………………………………….26 4-1-2. X射線繞射分析…………………………………………………...28 4-1-3.傅立葉轉換紅外線光譜分析……………………………………...33 4-1-4. 熱重量分析……………………………………………………….35 4-1-5. 粒徑分佈分析…………………………………………………….37 4-2 吸附實驗……………………………………………………………..40 4-2-1. 動力附附………………………………………………………….40 4-2-2. 等溫吸附………………………………………………….………40 4-2-3. 劑量效應…………………………….……………………………47 4-2-4. pH效應………………………..…………………………………...47 4-2-5. 溫度效應………………………………………………..………...49 4-2-6. 共存陰離子效應………………………………………………….51 4-2-7. 脫附實驗…………………………………………………..….…..54 4-3 吸附機制…………………………………………………………..…56 第五章 結論………………………………………………………….…63 第六章 參考文獻…………………………………………………….…64 | |
| dc.language.iso | zh-TW | |
| dc.subject | 層狀雙氫氧化物 | zh_TW |
| dc.subject | 砷酸鹽 | zh_TW |
| dc.subject | 吸附作用 | zh_TW |
| dc.subject | 移除 | zh_TW |
| dc.subject | 離子交換 | zh_TW |
| dc.subject | removal | en |
| dc.subject | ion exchange | en |
| dc.subject | arsenate | en |
| dc.subject | Adsorption | en |
| dc.subject | layered double hydroxides | en |
| dc.title | 利用層狀雙氫氧化物移除水中的砷酸鹽 | zh_TW |
| dc.title | Removal arsenate from aqueous solutions by layered double hydroxides | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 95-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.coadvisor | 王尚禮 | |
| dc.contributor.oralexamcommittee | 鄒裕民,李達源,何聖賓 | |
| dc.subject.keyword | 吸附作用,砷酸鹽,離子交換,層狀雙氫氧化物,移除, | zh_TW |
| dc.subject.keyword | Adsorption,arsenate,ion exchange,layered double hydroxides,removal, | en |
| dc.relation.page | 61 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2007-07-30 | |
| dc.contributor.author-college | 生物資源暨農學院 | zh_TW |
| dc.contributor.author-dept | 農業化學研究所 | zh_TW |
| 顯示於系所單位： | 農業化學系 | |
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