热裂化

高分子量聚乙烯（PE）经热裂化后，可得低分子均聚物。

Different types of oligomers can be obtained by thermal degradation of high molecular weight polyethylene .

FCC汽油重馏分的催化裂化和热裂化产物组成的研究

Study on the compositions of products from catalytic cracking and thermal cracking for heavy fractions of FCC gasoline

结果表明，FCC汽油重馏分的热裂化起始反应温度为525℃左右。

The experimental results showed that the starting temperature for thermal cracking reaction of heavy fractions of FCC naphtha was about 525 ℃ .

以FCC汽油重馏分为原料，分别在惰性石英砂及酸性催化剂上，反应温度为300~700℃，在小型固定流化床上进行热裂化和催化裂化实验。

With the heavy fraction of FCC naphtha as feedstock , the experiments were conducted in a fixed-fluidized bed ( FFB ) reactor over inert quartz sand and acidic catalyst respectively at the temperatures of ( 300-700 ℃) .

在380～460℃，1～3h条件下，在自制的热裂化反应实验装置上，对减压渣油重胶质进行了热反应，讨论了减压渣油重胶质热反应规律。

Under conditions of reaction temperture 380 ~ 460 ℃ and reaction time 1 ~ 3 h , with home-made thermal cracking reaction experiment device , vacuum residue heavy resin thermal reaction was processed , and the reaction law has been discussed .

催化裂化柴油的硫80%以上以多环芳烃含硫化合物（PASH）形态分布，而热裂化柴油的硫主要以易被脱除的烷基硫形态分布。

Over 80 % of the sulfur-containing compounds in FCC diesel exist in the form of polycyclic aromatic sulfur heterocycles ( PASHs ), while mainly in form of alkyl sulfides in thermal cracking diesel , which are easy to be removed .

催化裂化过程中的热裂化与催化裂化

Thermal cracking and catalytic cracking in fluid catalytic cracking process

渣油悬浮床加氢裂化与热裂化反应过程中胶体稳定性的比较

Colloid stability comparison of slurry-bed hydrocracking with thermal cracking in reaction course

饱和烃热裂化夺氢氢转移能力研究

Study on the hydrogen abstraction abilities of saturate hydrocarbons under thermal cracking

提升管反应器中催化裂化与热裂化反应的模拟

Simulating experiments on catalytic cracking and thermal cracking reactions in riser reactor

吸热型碳氢燃料的热裂化及催化裂化

Thermal cracking and catalytic cracking of endothermic hydrocarbon fuel

渣油热裂化工艺的开发

Development of a thermal cracking process for vacuum residuum

胜利渣油在供氢剂和溶剂下的热裂化特性研究

Study on thermal reaction characteristics of Shengli vacuum residue with hydrogen donor and solvent

聚乙烯塑料类固体废弃物热裂化研究

Study on Thermal Cracking of Waste Polyethylene Plastics

以大庆热裂化渣油为原料进行了中间相转化和针状焦工艺的研究。

The mesophase transformation and process for producing needle coke from Daqing thermal tar were investigated .

延迟减粘是浅度热裂化渣油减粘工艺。

The postponable reduced viscosity process is a thermal cracking one of shallow degree of residual oil .

胶质的引入有利于自由基的生成，加速了热裂化反应。

Addition of resin can promote the formation of free radicals and speed up the thermal cracking reaction .

结果表明，对大分子渣油的加氢反应，催化剂的作用并不象想象的那么显著，相反，加氢热裂化的液体收率反比催化加氢要高，并且总的焦炭产率低。

It was shown that the catalyst did not have a significant effect on the liquid product yields even in the presence of hydrogen .

通过对大庆热裂化渣油、新疆天然沥青两种典型试样在热转化时中间相转化过程的考察，初步探讨了中间相形成的一般规律。

Thermal pyrolysis of Daqing thermal tar and Xinjiang natural bitumen at various tempertures were studied with the purpose of investigating the mesophase transformation .

结果表明，反应温度、剂油比和反应时间能显著地影响热裂化反应和催化裂化反应。

Catalyst properties and operating parameters ( reaction temperature , catalyst to oil ratio , contact time ) have great influence on thermal and catalytic cracking reactions .

结果表明，渣油悬浮床加氢裂化和热裂化两种反应体系在生焦诱导期内的胶体稳定性下降迅速，在生焦诱导期后的胶体稳定性下降趋于缓慢。

The result showed that the colloid stabilities of the said residue were declined rapidly in the IPCF of both reaction systems , and then the deterioration slowed down .

在由反应温度、剂油比和停留时间引起的过裂化点前后，热裂化、氢转移和异构化反应表现出各自的变化特点。

In the overcracking operation caused by long contact time , the thermal cracking reaction increases and the hydrogen transfer and the isomerization reaction appear the same tendency as thermal cracking reaction .

热裂化反应的转化率较低；液体产物中存在大量的含氧衍生物，气体中CO/CO2质量比小于1。

Generally speaking , the conversion of thermal cracking is lower than catalytic cracking , and there are a lot of oxygenates in the liquid products , moreover , the mass ratio of CO / CO2 in the gas is less than 1 .

对近来发表的有关热裂化反应模型、结焦模型、气-液平衡模型、两相流模型、热焓模型及油品基础物性关联式分别作了简要综述。

Related models which reported in literatures recently such as thermal cracking re-action model , coking model , gas-liquid equilibrium model , two phase flow model and heat enthalpy model as well as correlations of the basic physical properties of oil products were briefly reviewed .

渣油热裂化是在特定条件下，加工渣油的补充工艺，适用于加工高含蜡原油的减压渣油，达到重油轻质化的目的。

The thermal cracking of vacuum residuum is a complemental process for upgrading residuum under specific conditions . It is suitable for processing the residuum of high wax content crude to convert it into light products and so as to increase the profit of the refinery .

实验结果表明，催化原料中随渣油掺入量的增加和反应时间的延长，反应过程中热裂化成分增大，氢转移反应和异构化反应减少，产品的安定性下降。

Experimental results showed that the thermal cracking reaction increased , while the hydrogen transfer and the isomerization reaction decreased with increase of the vacuum residua concentration in feedstocks and the time lasting of the reaction in the process of catalytic cracking . The stability of products would be drawdown .

地下水热催化裂化降粘开采稠油新技术研究

A Study on Heavy Oil Recovery by in-Situ Catalytic Aquathermal Cracking

利用热分解和催化裂化的废塑料液化技术

Waste Plastic Liquefaction Using Thermal and Catalytic Cracking Process

结果表明，由反应温度升高引起的过裂化属于过度热反应，过裂化点后干气和焦炭产率明显增加，而液化气产率则匀速增加；

The experiment results showed that high reaction temperature mainly leads to free radical thermal reaction , which dry gas and coke yields were observably increased but LPG yield was equably increased .