以FR-3型废旧印刷线路板非金属分离物为前躯体,经热解、物理活化/化学活化制备活性炭.研究了热解温度对残碳收率的影响,活化反应条件对活性炭烧蚀率、孔结构的影响.结果表明,随着热解温度的提高残碳收率下降.以600℃热解的残碳为原料,加入煤焦油沥青做粘结剂,经成型、破碎,800℃炭化,再经水蒸气850℃活化3h,可制得比表面积为1 019 m2·g-1、孔容为1.1 cm3·g-1的粒状活性炭;而以600℃热解的残炭为原料,加入KOH,在900℃活化2h,可制得比表面积为3 112 m2 ·g-1、孔容为1.13 cm3 ·g-1的粉状活性炭.
参考文献
| [1] | Jirang Cui;Eric Forssberg .Mechanical recycling of waste electric and electronic equipment: a review[J].Journal of hazardous materials,2003(3):243-263. |
| [2] | Martin Goosey;Rod Kellner .Recycling technologies for the treatment of end of life printed circuit boards (PCBs)[J].Circuit world,2003(3):33-37. |
| [3] | Eswaraiah C;Kavitha T;Vidyasagar S et al.Classification of metals and plastics from printed circuit boards (PCB) using air classifier[J].Chemical Engineering and Processsing,2008,47:565-576. |
| [4] | CLYDE V.OWENS JR.;CHRISTY LAMBRIGHT;KATHY BOBSEINE .Identification of Estrogenic Compounds Emitted from the Combustion of Computer Printed Circuit Boards in Electronic Waste[J].Environmental Science & Technology: ES&T,2007(24):8506-8511. |
| [5] | Wang D;Cai Z;Jiang G et al.Determination of polybrominated diphenyl ethers in soil and sediment from an electronic waste recycling facility[J].Chemosphere,2005,60:810-816. |
| [6] | Guo J;Xu Z .Recycling of non-metallic fractions from waste printed circuit boards:A review[J].Journal of Hazardous Materials,2009,168:567-590. |
| [7] | JIA LI;HONGZHOU LU;JIE GUO;ZHENMING XU;YAOHE ZHOU .Recycle Technology for Recovering Resources and Products from Waste Printed Circuit Boards[J].Environmental Science & Technology: ES&T,2007(6):1995-2000. |
| [8] | Jie Guo;Qunli Rao;Zhenming Xu .Application of glass-nonmetals of waste printed circuit boards to produce phenolic moulding compound[J].Journal of hazardous materials,2008(1/2):728-734. |
| [9] | Yanhong Zheng;Zhigang Shen;Chujiang Cai;Shulin Ma;Yushan Xing .The Reuse Of Nonmetals Recycled From Waste Printed Circuit Boards As Reinforcing Fillers In The Polypropylene Composites[J].Journal of hazardous materials,2009(2/3):600-606. |
| [10] | Yamawaki T .The gasification recycling technology of plastics WEEE containing brominated flame retardants[J].Fire and Materials,2003,27:315-319. |
| [11] | Hideyuki Tagaya;Yoko Shibasaki;Chie Kato;Jun-ichi Kadokawa;Bunpei Hatano .Decomposition reactions of epoxy resin and polyetheretherketone resin in sub- and supercritical water[J].Journal of Material Cycles and Waste Management,2004(1):1-5. |
| [12] | D.Braun;W.von Gentzkow;A.P.Rudolf .Hydrogenolytic degradation of thermosets[J].Polymer Degradation and Stability,2001(1):25-32. |
| [13] | Grause, G;Furusawa, M;Okuwaki, A;Yoshioka, T .Pyrolysis of tetrabromobisphenol-A containing paper laminated printed circuit boards[J].Chemosphere,2008(5):872-878. |
| [14] | Guan Jie;Li Ying-Shun;Lu Mai-Xi .Product Characterization Of Waste Printed Circuit Board By Pyrolysis[J].Journal of analytical & applied pyrolysis,2008(2):185-189. |
| [15] | A.I. Balabanovich;A. Hornung;D. Merz;H. Seifert .The effect of a curing agent on the thermal degradation of fire retardant brominated epoxy resins[J].Polymer Degradation and Stability,2004(1):713-723. |
| [16] | Lin-Vien D;Coltup N B;Fateley W G.The Handbook of Infrad and Raman Characteristic Frequencies of Organic Molecules[M].New York:Academic Press,Inc,1991 |
| [17] | Cullity B D.Elements of X-ray Diffraction[M].New York:Addison-Wesley,1967:99-101. |
| [18] | Cuesta A.;Laureyns J.;Martinez-Alonso A.;Tascon JMD.;Dhamelincourt P. .Comparative performance of X-ray diffraction and Raman microprobe techniques for the study of carbon materials[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,1998(12):2875-2879. |
| [19] | Chun-Ling Liu;Wen-Sheng Dong;Jing-Ren Song;Lang Liu .Evolution of microstructure and properties of phenolic fibers during carbonization[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2007(1-2):347-354. |
| [20] | Lu CL;Xu SP;Gan YX;Liu SQ;Liu CH .Effect of pre-carbonization of petroleum cokes on chemical activation process with KOH[J].Carbon: An International Journal Sponsored by the American Carbon Society,2005(11):2295-2301. |
| [21] | Sing K S W;Everett D H;Haul R A W et al.Reporting physisorption data for gas/solid systems-with special reference to the determination of surface area and porosity[J].Pure and Applied Chemistry,1985,57:603-619. |
| [22] | Walker Jr P L;Almagro A .Activation of pre-chlorinated anthracite in carbon dioxide and steam[J].Carbon,1995,33:239-241. |
| [23] | Emad N.El Qada;Stephen J.Allen;Gavin M.Walker .Influence of preparation conditions on the characteristics of activated carbons produced in laboratory and pilot scale systems[J].Chemical engineering journal,2008(1):1-13. |
| [24] | Aik Chong Lua;Ting Yang .Effect of activation temperature on the textural and chemical properties of potassium hydroxide activated carbon prepared from pistachio-nut shell[J].Journal of Colloid and Interface Science,2004(2):594-601. |
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