高校化学工程学报Issue(3)：585-592,8.DOI:10.3969/j.issn.1003-9015.2015.03.013
HZSM-5/MCM-41对小球藻催化热解的影响
Effects of HZSM-5/MCM-41 Molecular Sieve Catalysts on Chlorella Pyrolysis
摘要
Abstract
Catalytic pyrolysis of chlorella was studied in a bench-top fixed bed reactor with HZSM-5/MCM-41 mixed catalysts. The effect of MCM-41 proportion in the catalyst on pyrolysis product yields was investigated, and GC-MS and elemental analysis were used to analyze the formed bio-oil composition. The results show that the selectivity of 3,7,11,15-tetramethyl-2-Hexadecene was greatly enhanced by using catalyst of mixing 10% MCM-41 with 90% HZSM-5 comparing to that of using pure HZSM-5. Carboxylic acids and nitrogen containing chemicals were reduced to 12.85% and 43.97%, respectively. The yield of total aromatic and aliphatic hydrocarbons reaches to 50.34%, while Octadecaneamide and Oleanitrile disappear in the pyrolysis oil. Elemental analysis of the bio-oil indicates that the O/C atomic ratio is decreased, and the oxygen containing level is decreased by 23.52%. The H/C atomic ratio is increased and the calorific value reaches to 32.995 MJ·kg-1 . The overall composition of the pyrolysis oil is similar to that of biological diesel. It is demonstrated that the deactivation of molecular sieve catalysts is mainly due to the coke formation, but the HZSM-5/MCM-41 catalyst exhibits good stability. An increase in catalyst/chlorella weight ratio results in increasing bio-oil calorific values and moisture contents, and the highest bio-oil yield can be achieved when the weight ratio of catalyst/ chlorella is 1:5.关键词
小球藻/催化热解/HZSM-5/MCM-41/生物油/分子筛Key words
chlorella/catalytic pyrolysis/HZSM-5/MCM-41/bio-oil/molecular sieve分类
能源科技引用本文复制引用
杨雅,郭庆杰,张秀丽,杨林,徐秀峰..HZSM-5/MCM-41对小球藻催化热解的影响[J].高校化学工程学报,2015,(3):585-592,8.基金项目
海洋可再生能源专项资金项目GHME2001SW02(20876079) （20876079）
山东省科技攻关项目(2008GG10006010) （2008GG10006010）
青岛市应用基础研究计划项目(14-2-4-5jch). （14-2-4-5jch）
