文章摘要
王玉珍,王滢,朱怡彤,方长青.纸塑铝包装废弃物水热产油过程组分交互作用[J].包装工程,2021,42(21):143-152.
WANG Yu-zhen,WANG Ying,ZHU Yi-tong,FANG Chang-qing.Interactive Effect between the Main Components of Al-PE-Pa Complex Packaging Waste during Hydrothermal Process for Bio-Oil Production[J].Packaging Engineering,2021,42(21):143-152.
纸塑铝包装废弃物水热产油过程组分交互作用
Interactive Effect between the Main Components of Al-PE-Pa Complex Packaging Waste during Hydrothermal Process for Bio-Oil Production
投稿时间:2021-03-30  
DOI:10.19554/j.cnki.1001-3563.2021.21.020
中文关键词: 水热液化  纸塑铝包装废弃物  生物油  交互作用  废物处理
英文关键词: hydrothermal liquefaction  Al-PE-Pa complex packaging waste  bio-oil  interaction  waste treatment
基金项目:陕西省自然科学基金面上项目(2021JM-325);西安市碑林区科技计划(GX2110)
作者单位
王玉珍 西安理工大学 印刷包装与数字媒体学院西安 710048 
王滢 西安理工大学 印刷包装与数字媒体学院西安 710048 
朱怡彤 西安理工大学 印刷包装与数字媒体学院西安 710048 
方长青 西安理工大学 印刷包装与数字媒体学院西安 710048 
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中文摘要:
      目的 研究纸塑铝复合包装袋中主要组分(纸纤维、低密度聚乙烯和铝箔)水热液化产油特性,分析各组分共液化过程的交互影响作用。方法 采用微型反应釜在温度为360 °C,压力为20 MPa,反应时间为30 min条件下,分别对纸纤维、低密度聚乙烯(LDPE)和铝箔单组分、双组分及三组分样品进行水热液化反应,对油品产率、元素组成、成分以及固体残渣形貌等进行表征。结果 单组分纸纤维的生物产油率为13.67%,但其氧含量高达24.19%,单组分低密度聚乙烯(LDPE)在该条件下基本不解聚。双组分纸纤维/LDPE的产油率(14.88%)明显高于单组分的理论产油率(10.75%),且油品中烃类产物显著升高,酮类、酯类和醇类均有所降低。铝箔能显著降低纸纤维液化油品产物的氧含量,提高了油品热值,油品组分中酯类和酚类产物得到明显降低。三组分纸纤维/LPDE/铝箔产油率由理论计算值10.21%提升至19.00%,高热值由28.80 MJ/kg升至30.04 MJ/kg,油品氧含量降低至21.76%,产物组分中酮类组分由28.12%降低至8.96%。结论 纸纤维与LDPE共液化具有显著的协同作用,铝箔在水热条件下对油品实现原位加氢。纸塑铝共液化过程会产生纸塑协同及铝水反应原位加氢的叠加效应。
英文摘要:
      The work aims to study the main components (paper fiber, low-density polyethylene and aluminum foil) in Al-PE-Pa complex packaging and analyze their interactive effect during hydrothermal liquefaction. At 360 °C and 20 MPa, the micro reaction still was used to conduct hydrothermal liquefaction reaction on paper fiber, low-density polyethylene and aluminum foil samples of single component, bi-component and three-component for 30 min to characterize the oil product yield, element composition, constituent and solid residue morphology, etc. The results showed that the bio-oil yield of the single-component paper fiber was 13.67%, but its oxygen content was as high as 24.19%. The single-component of low-density polyethylene (LDPE) was barely depolymerized at this condition. The yield of bio-oil (14.88%) was significantly higher than the theoretical yield (10.75%) of simple addition of single components. The hydrocarbon products in the oil were significantly increased. Ketones, esters and alcohols were all reduced. Aluminum foil could significantly reduce the oxygen content of the bio-oil from paper fiber, increase the heating value of the bio-oil, and significantly reduce the ester and phenol contents in the bio-oil. The bio-oil yield of three-component paper fiber, LDPE/aluminum foil increased from the theoretical calculated value of 10.21% to 19.00%. The high heating value increased from 28.80 MJ/kg to 30.04 MJ/kg. The oxygen content of oil decreased to 21.76%. And the ketones in the product components decreased significantly from 28.12% to 8.96%. Co-liquidation of paper fiber and LDPE has synergistic effect. The aluminum foil achieves site hydrogenation of oil products at hydrothermal conditions. The co-liquefaction of three-component paper fiber/LPDE/aluminum foil has superimposed effect of the synergistic effect of paper-plastic synergy and in-situ hydrogenation of aluminum-water reaction.
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