The best reaction temperature of coal quick liquefaction ( CQL) is the upper limit of the coal pyrolysis temperature range in TGA. 高温快速液化的最佳反应温度正是热重曲线反映的煤活泼热解温度范围的上限。
Study on the Essence of Quick Coal Liquefaction at High Temperature and a Kind of Two-stage Liquefaction 煤高温快速液化的本质与一种两段液化的研究
It must be cooled to its liquefaction temperature. 它必须冷却到其液化温度。
The paper analyzes the power consumption of liquefaction technologies for low temperature separation of CMM under oxygen-containing condition and the de-xidation conditions. 文中分析了煤矿区煤层气含氧低温分离液化工艺及脱氧的低温分离液化工艺的功耗。
The Factors that Influence the Liquefaction Rate of Light Hydrocarbon by Low Temperature Separation and Its Application 影响冷凝分离法轻烃回收液化率的因素及其应用
Reaction temperature has greatest influence on liquefaction process, the residue of Salix, Caragana and Poplar decreased with the increasing of temperature. 温度对液化效率的影响最显著,随着液化温度的提高,沙柳、柠条和杨木的残渣率都出现下降趋势,但在不同的温度阶段下降的程度不同。
Direct liquefaction of woody biomass in water was carried out in an autoclave at the reaction temperature ranges of 280~ 380 ℃. 用傅立叶变换红外光谱法对木质生物质在280~380℃水中的直接液化产物进行了研究。
The experimental results showed that the liquefaction extent enhanced with the increase of liquefaction temperature, catalyst dosage, and liquid-solid ratio. 结果显示:沙柳、柠条的液化效果随液化温度、催化剂的用量、液比的增加而增加;
The main factors affecting high-pressure liquefaction of biomass, such as material types, catalysts, solvents, reaction temperature, reaction time, reaction pressure and the atmosphere of reaction, etc. are summarized and analyzed. 对生物质高压液化的主要影响因素原料种类、催化剂与溶剂、反应温度与时间、反应压力、液化的气氛等进行了总结和分析。
The thesis conducts experimental liquefaction researches to ZJ coal between two different ranges of temperature, and evaluates by the extracted oil quantity. 对ZJ煤在两种不同温度范围内进行实验性的液化研究,以萃取油量进行评价。
The main results were as follows: Firstly, the influence of liquefaction treatment on starch at high temperature was investigated. 主要结果如下:首先讨论了高温液化对米渣原料的影响:高温液化使清蛋白、球蛋白有所损失;
He made great contributions in testing and verifying van der Waals 'gas theory, improving and developing the experimental techniques of gas liquefaction, and especially in deeply understanding the physical properties of fluids and metals at very low temperature. 他尤以研究低温下物质的性质著称于世,在验证范德瓦尔斯气体理论、改进和发展气体液化的实验技术、特别是深入认识低温下的流体和金属的物理性质方面作出了重大贡献。
The results show that caramel produced by liquefaction of high temperature, saccharification of low temperature and ammoniation of ammonium sulfate has excellent colour rate and high production efficiency. 本文就是对采用甘薯淀粉生产焦糖色素的工艺进行研究,用正交实验法确定了在高温液化、低温糖化和硫酸铵氨化的条件下生产出的焦糖色素色率好、收率高。
Test result showed that combustion of Shenhua coal liquefaction residuals proceeds in two stages a low and a high temperature stage. 实验表明:神华煤液化残渣的燃烧是分两步进行的,在低温段主要是神华煤液化残渣中挥发性的气体急剧析出,引起燃烧失重;
The results indicates that the cracking and condensation reactions coexist during the liquefaction process and cracking plays a important role at low temperature while condensation dominates at high temperature which mainly depends on reaction conditions. 实验结果表明,在整个液化过程中始终存在着裂解与缩聚反应的竞争,在前期以裂解为主,后期以缩合为主,而发生这一转折的时间在很大程度上受到反应条件的综合影响。
Compared with traditional technology, this technology had the advantages of saving energy and water and without need of grinding, liquefaction and steaming at high temperature to raw material. 省去了传统工艺中的原料粉碎,加α淀粉酶液化,高温蒸煮等预处理工序,具有明显的节能、节水的效果。
The liquefaction of corn stalk in polyhydric alcohol was studied. The results showed that dosage of liquefaction solvent, reaction temperature, reaction time, and catalyst all have significant effect on liquefaction. 研究了玉米秸秆在多羟基醇中的液化反应,结果表明液化剂用量、反应温度、反应时间以及催化剂用量等条件对玉米秸秆液化反应有较大的影响。
The nutrients of pumpkin juice were little influenced because enzymatic liquefaction temperature was lower. 酶解温度较低,对南瓜汁营养成分的影响小。
The liquefaction of coconut shell in phenol was studied. The effects of catalysts, different content of sulphuric acid, reaction temperature, phenol: powder ratio, reaction time on the content of residue and combined phenol of the products of liquefaction were discussed in detail. 研究了催化剂种类、浓硫酸催化剂用量、液化反应温度、苯酚与椰子壳质量比、液化反应时间对液化产物残渣率及结合酚的影响。
However, both high temperature and high pressure ( including super-critical method) method or atmospheric pressure liquefaction using solvent have the secondary pollution problem. In addition, the liquefaction temperature and pressure are too high or corrosive chemical reagents using too more. 目前常见的生物质液化技术中,无论是高温、高压(包括超临界方法)还是常压溶剂液化方法,均存在液化温度和压力高或需要用化学腐蚀性试剂多,还有二次污染的问题。
The results show that the optimum conditions of corn skin liquefaction in methanol are that reaction temperature, reaction time and the ratio of stalk to methanol are 300 oC, 30 min and 1: 30 g/ mL, respectively. 结果表明,玉米皮在甲醇中适宜的液化条件为液化温度、液化时间和秸秆/醇比分别是300oC、30min和1:30g/mL。
And the effect of the main parameters on lignin liquefaction of total phenol content had been studied, such as the liquefaction temperature, liquefaction time, catalyst amount, solvent/ lignin ( w/ w) ratio. 对醋酸木质素的溶剂液化进行了系统的实验研究,确定乙二醇作为液化剂,研究了液化温度、液化时间、催化剂用量、液固比等主要参数对木质素液化产物中总酚含量的影响。
Paulownia direct liquefaction is processed in a 1L batch autoclave with water as a solvent. And the reaction temperature, residence time and liquid ratio are investigated by the pre-experiment design. 本文以泡桐为原料以水为溶剂,在1L间歇式高压反应釜中进行直接液化实验,通过预试验设计对反应温度、停留时间和液料比进行了考察。
Taking Yanzhou coal and Shenfu coal as the research object, the effect on quick coal liquefaction at high temperature ( QCLHT) of small molecular compound in coal was is systematically investigated. 本文选用兖州煤和神府煤为研究煤种,针对煤中小分子化合物对煤高温快速液化的影响进行了较系统的研究。
The system involved in direct coal liquefaction is a three-phase state of solid, liquid, and gas phases under high temperature and high pressure. The substance of liquid phase is composed of a number of the hydrocarbons. 煤炭直接液化反应体系为高温高压下气、液、固三相混合物,液相主要是由不同碳数烃类物质组成。