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Preparation of activated carbon from asphalt and asphalt treated with polymers using microwave radiation

机译:用微波辐射用聚合物用聚合物处理活性炭和沥青的制备

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摘要

ABSTRACT The study included the use of  two path in the process of preparation.The first pathway included preparation of the AC from Baiji asphalt by an oxidation process done at 350 °C using 2% FeCl3 for 3hours, after that the resulting product was distillated normal and vacuum distillation, and then the resulted of vacuum distillation were  carbonized at a temperature of 400°C for  2hours and treated with KOH at various ratios ranging from (0.5:1) ,(1:1) and(2:1) (potassium hydroxide: carbonized materials) using microwave radiation at power of (90,180,270,360,450,540,630,720) watt and at periods ranging between (4,6,8,10,12,14,16,18,20) minutes. The second pathway involved the treatment of  Baiji asphalt with different percentages of polymers ranging between (5,10,15,20,25)% of poly ethylene, poly styrene and melamine formaldehyde resin (which are thermally craclced )  at a temperature of 170°C for 1 hour with 1% AlCl3 as a catalyst of this process , and the resulted product was carbonized at a temperature of 400°C for 2 hours with addition of KOH at a ratio of (2:1) (potassium hydroxide: carbonized materials ) with radiation energy of 630watt for 16 minutes. Many tests were conducted on the samples of the prepared activated carbon for the purpose of determining its effectiveness by measuring its adsorption ability of aqueous solutions of Iodine and methylene blue dye as well as some other measurements as density, ash content and humidity were evaluated, and as a practical application of the effectiveness of one sample of the prepared AC adsorption of the azo dye 1,4-di(2-amino 4-hydroxy phenyl azo)benzene (1,4HAAB)  was conducted from its aqueous solution and compared it with the commercial one sample and it was noticed from this study the effectiveness of this AC sample in the adsorption of this dye. It is found from this study that the process of preparing activated carbon using microwave radiation gave good samples regarding to the ability of adsorption and some samples were better than the commercial samples, further more; the process of preparation has reduced the time of reaction from several hours to few minutes as well as providing energy and this is very important in terms of economic feasibility of the process.
机译:摘要该研究包括在制备过程中使用两种路径。首先使用2%FECL3在350℃下在350℃下使用2%FECL3来制备来自Baiji沥青的AC,然后将所得产物正常蒸馏出所得产物的氧化方法和真空蒸馏,然后在400℃的温度下碳化真空蒸馏2小时,并用KOH以不同的比例处理(0.5:1),(1:1)和(2:1)(钾)(钾)处理氢氧化物:碳化材料)使用微波辐射(90,180,270,450,450,540,540,630,540,540,630,540,540,630,540,540,630,450,540,630,720,540,630,720,540,630,720,540,610,610,6,18,20)分钟。第二个途径涉及在170°温度下的聚乙烯,聚苯乙烯和三聚氰胺甲醛树脂(5,10,15,20,25)%的聚合物之间的不同百分比的聚合物(5,10,15,20,25)%百分比的聚合物进行治疗C用1%AlCl 3作为该方法的催化剂,将所得产物在400℃的温度下碳化2小时,加入KOH(2:1)(氢氧化钾:碳化材料) )辐射能量为630WATT 16分钟。在制备活性炭的样品上进行了许多测试,以确定其有效性,通过测量碘和亚甲基蓝染料水溶液的吸附能力以及诸如密度的一些其他测量,评价灰分含量和湿度作为一种实际应用,从其水溶液中进行偶氮染料1,4-DI(2-氨基4-羟基苯基AZO)苯(1,4haab)的一个样品的有效性。与其相比从该研究中注意到了商业样品,并注意到该AC样品在该染料的吸附中的有效性。从该研究中发现,使用微波辐射制备活性炭的方法对吸附能力进行了良好的样品,并且一些样品比商业样品更好;制备方法将反应时间从几小时降至几小时,以及提供能量,而且在过程的经济可行性方面非常重要。

著录项

  • 作者

    Khalid Owaid; Ahmed Hammadi;

  • 作者单位
  • 年度 2013
  • 总页数
  • 原文格式 PDF
  • 正文语种 ara;eng
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