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zhangkaiedu

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你净化玩了香蕉皮怎么处理?
31楼2011-08-19 09:03:05
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ening451

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★ ★ ★
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kanavaro11(金币+2): 感谢推荐 2011-08-19 09:58:38
ymnh: 回帖置顶 2012-05-20 07:31:18
Banana Peel Applied to the Solid Phase Extraction of Copper and Lead from River
Water: Preconcentration of Metal Ions with a Fruit Waste

This article reports on an investigation into the ability of minced banana peel to extract lead and copper ions from water and the parameters involved in this process. The kinetics of copper and lead uptake reached equilibrium in 10 min and the extraction of metals ions was favorable above pH 3. The medium was characterized by FTIR, which showed absorption bands of carboxylic and amine groups at 1730 and 889 cm1, respectively. The adsorption isotherm fitted by Langmuir’s model showed maximum adsorption capacities of 0.33 and 0.20 mmol g−1 (or 20.97 and 41.44 mg g−1) for Cu(II) and Pb(II), respectively. Minced banana peel was applied in the preconcentration system and showed approximately 20-fold enrichment factor and the column was reused for 11 cycles without loss in the percentage of recovery. The proposed method was applied in the determination of Cu(II) and Pb(II) in a sample of raw river water and was validated by comparison with a standard reference material.

作 者:Renata S. D. Castro†, Larcio Caetano‡, Guilherme Ferreira
32楼2011-08-19 09:07:23
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heizai1215

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是不是将他们高温碳化了使用啊
33楼2011-08-19 09:19:04
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若水出尘

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这个很多生物质都有吸附作用的
34楼2011-08-19 09:31:56
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乔伊09

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没试过,听起来还是不错的
35楼2011-08-19 09:55:27
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l1l23

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贫下中农

靠 ,以后吃香蕉都没皮了
一个人如果在20岁不英俊,30岁不强壮,40岁不富有,50岁不智慧;那么他这辈子就别想英俊,强壮,富有,智慧了
36楼2011-08-19 10:25:37
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huanghua00

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谢谢 很实用
快乐活在当下,尽心就是完美!
37楼2011-08-19 12:51:45
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luluyoua

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本帖内容被屏蔽

38楼2011-08-19 14:22:10
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白熬乐之

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椰壳炭不是很出名的活性炭么,估计香蕉皮也是这种主要靠物理吸附的,毕竟香蕉皮晾干之后,碳纤维也挺高的,应该挺不错的。
39楼2011-08-19 15:54:39
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wenzhuyuan

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引用回帖:
1楼: Originally posted by luluyoua at 2011-08-17 08:40:52:
香蕉好吃且营养丰富,但大多数人可能不知道,看似“一无是处”的香蕉皮还蕴藏一些神奇的功能,比如保养皮具、擦亮银器等。此外,香蕉皮还可以吸附水中的重金属污染物。

  巴西圣保罗州大学的研究人员发现,切 ...

研究人员在美国化学学会的刊物《工业和工程化学研究》上报告;

能够把那个文献共享一下么?

能说一下香蕉皮吸附重金属的机理是什么呢?
一头随性的猪
40楼2011-08-19 17:28:14
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