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Study on Useful Utlization of PSU Coal Liquefaction Residue

PSU煤液化残渣的资源化利用研究

基本信息

批准号：
10650774
负责人：
MASHIMO Kiyoshi
金额：
$ 2.3万
依托单位：
Nihon University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
1998
资助国家：
日本
起止时间：
1998 至 2001
项目状态：
已结题

项目摘要

The process supporting unit (PSU) constructed on the basis of NEDOL process was a 1t/d coal liquefaction plant. However, the coal liquefaction residue (CLR) was produced as by-products in about 30% yield from PSU. Therefore , the utlization of CLR as the valuable carbon resources needs to studied. The basic researches on the useful utlization of CLR were promoted from 1998 to 2001.1. In 1998, the pyrolyses of CLR were carried out with supercritical methanol. The hexane - soluble (HS) and the acetone-insoluble were produced, with the increases of the reaction pressures (80-200kg/cm^2) and the reaction temperatures (300 - 440℃).2. In 1999, the hydrogenolysis reaction of CLR with pulverized scrap tire was carried out by using tetralin. Compared with the result from each reaction of CLR or tire alone, the synergistic effects to upgrading, such as the increases of yields of volatile products and gases, and the decreases of asphaltene and oil materials, were observed.3. In 2000, the pyrolyse … More s that used supercritical water as the reaction solvent were examined under various reaction conditions in order to attempt the conversion of CLR into hexane soluble. The effective pyrolysis of CLR to hexane soluble (oil) was realized under pressure of 270kg/cm^2 at 400℃ alone.In addition, the upgrading reaction of pyridine soluble materials in CLR was also investigated, the increase of reactivity of CLR was found by the elimination of mineral matters, in CLR.4. In 2001, additive effects of constituents in scrap tire on the hydrogeneolysis reaction of CLR were studied in detail. Hydrogen transfer from tetralin solvent or gas phase hydrogen to CLR was promoted by the rubber constituent in tire. As a result, the synergistic effect to upgrading was observed.Further, the effects of the oxidation pretreatment of CLR with H_2O_2 on the subsequent hydrogenolysis reactivity of CLR were also investigated. The upgrading of CLR, such as the increase of oil yield and the decrease of asphaltene yield, was observed in comparison with that of untreated CLR. Less

在NEDOL流程的基础上建设的流程支撑装置(PSU)是一套1t/d的煤炭液化装置。然而，煤液化残渣(CLR)是以副产品的形式从PSU中产生的，产率约为30%。因此，CLR作为一种宝贵的碳资源的利用亟待研究。从1998年到2001.1，促进了共生资源有效利用的基础研究。1998年，在超临界甲醇的作用下进行了CLR的热解。随着反应压力(80~200 kg/cm~2)和反应温度(300~440℃)的升高，生成了正己烷可溶(HS)和丙酮不溶的产物。1999年，用四氢呋喃进行了废轮胎粉与氯化橡胶的氢解反应。与CLR和轮胎单独反应的结果相比，它们对改质的协同效应表现为挥发分和气体产率的增加，沥青质和油品产率的降低。2000年，热解…考察了更多以超临界水为反应溶剂的S在不同反应条件下的反应，以尝试将氯仿转化为正己烷可溶物。在压力270 kg/cm2条件下，仅在400℃的条件下，就能有效地裂解为正己烷可溶(油)。此外，还研究了可溶于吡啶的物质在化学发光材料中的升级反应，发现化学发光反应中矿物物质的去除提高了化学发光反应的活性。2001年，详细研究了废旧轮胎中各组分对CLR氢解反应的添加效应。轮胎中的橡胶组分促进了四氢灵溶剂或气相氢气向CLR的氢转移。此外，还考察了过氧化氢氧化对CLR后续氢解反应活性的影响。与未处理的CLR相比，CLR的产油率有所提高，沥青烯的产率有所下降。较少