查询词典 naphtha

Such as water, liquid ammonia, naphtha and liquefied petroleum gas, such as the ideal medium measurement equipment.

如水、液氨、轻油、液化气等介质测量的理想设备。

A new calculation method, Lagrangian interpolation, is proposed to predict the ASTM D86 data, densities and yields of naphtha and light gas oil after the adjustment of naphtha end point in the operation of FCC main fractionator.

利用拉格朗日插值法在FCC主分馏塔的汽油干点调整后，对汽油和柴油恩氏蒸馏数据、密度和流量等的相应变化进行预测。

The properties of light fractions (including naphtha, jet fuel and light hydrogenated lube base oil) from the 300 kt/a lube isodewaxing unit of SINOPEC Shanghai Gaoqiao Company were reviewed and a proposal for optimizing utilization of these fractions was presented, such as producing AR petroleum ether from naphtha; superior odorless kerosene and rolling oil of aluminum foil from jet fuel fraction; transformer oil, high quality white oil and jelly wax from light base oil fraction.

对中国石化上海高桥分公司300kt/a润滑油异构脱蜡装置生产的石脑油馏分、喷气燃料馏分及轻质加氢基础油性质进行试验分析，提出合理的利用方案，其中石脑油馏分可生产分析纯石油醚，喷气燃料馏分可生产特种煤油与铝箔轧制油，轻质加氢基础油可生产变压器油、高档白油以及果冻蜡。

It was found that more branch-2 olefin and C5~C6 isoparaffin molecules existed in MIP naphtha. The cause of MIP naphtha having higher octane number and less octane loss during hydrotreating could be explained by the octane model of C6 hydrocarbons quantitatively.

通过对MIP和FCC汽油组成分析，发现MIP汽油组成含有较多的多支链烯烃、异戊烷和异己烷，基于碳六烃的辛烷值模型，可以定量地解释MIP汽油辛烷值高和加氢MIP汽油辛烷值损失低的原因。

Tests of FCC naphtha upgrading were conducted under such optimum reaction conditions (with a reaction temperature of 450℃), as compared with the untreated naphtha the olefin content of the treated naphtha decreased from 40.74% to 25.80%, the contents of isoparaffin and aromatics increased significantly, the computed octane number was 5.48 unit higher, yet the naphtha yield dropped 14.25 percentage points and the LPG yield increased 13.52 percentage points.

在450℃的优化条件下，催化裂化汽油改质后，烯烃质量分数由40.74%降至25.80%，异构烷烃和芳烃含量有较大幅度的增加，计算辛烷值RON提高了5.48个单位，汽油收率降低了14.25个百分点，液化气收率提高了13.52个百分点。

Main product has: SBR of butadiene styrene rubber - 1500, SBR - 1502, SBR - 1712, butadiene rubber BR - 9000, BR - 9073 with 6 ＃ solvent naphtha, 120 ＃ industrial aether of butyl of solvent naphtha, methylic father's younger brother, 1 - Ding Xi.

主要产品有：丁苯橡胶 SBR－ 1500、 SBR－ 1502、 SBR－ 1712，顺丁橡胶 BR－ 9000、 BR－ 9073和 6＃溶剂油、 120＃工业用溶剂油、甲基叔丁基醚、 1－丁烯。

According to the boiling range, solvent oils can be divided into three categories: hydrocarbos solvent, such as the 6＃ oil extraction solvent, boiling range for 60-90 ° c; alkanones in solvent, such as rubber solvent naphtha, boiling range of 80-120 ° c; high-boiling solvent, such as oil paint solvents, boiling range for 140-200 ° c, in recent years the widely-used ink solvent naphtha, the stem is up to 300 ° c.

按沸程分，溶剂油可分为三类：低沸点溶剂油，如6＃抽提溶剂油，沸程为60-90℃；中沸点溶剂油，如橡胶溶剂油，沸程为80-120℃；高沸点溶剂油，如油漆溶剂油，沸程为140-200℃，近年来广泛使用的油墨溶剂油，其干点可高达300℃。

Attempts have been done to increase the value of light naphtha isomerizes RON 60 to 70's light naphtha into RON 83 to 90's higher Octane number light naphtha to blend RON 95, or 98 higher Octane gasolines.

本研究为提高轻石油脑的应用价值，应用轻油异构化工场将辛烷值只有60~70的轻石油脑提升至83~90，成为掺配95和98高辛烷值汽油重要轻质油料之一。

Naphtha vapor /air mixture is available to test the medium. The volume density of naphtha vapor should be 3%±0.2％.

2.3.1试验介质用石脑油蒸气与空气的混合气，其石脑油蒸气的体积浓度应为3％±0.2％。

The method solves the problems better through adopting the following technical proposal that: the method takes the solid super acid consisting of the VIB group elements or the VIB group elements and the IVB group elements in the periodic table of elements and loaded on a symbiosis molecular sieve as catalyst, and naphtha with the component being C4-C10 as a raw material so as to carry out catalytic cracking reaction at a temperature of between 550 and 700 DEG C, under a pressure of between 0.01 and 0.5 MPa, at a reaction weight space velocity of between 0.1 and 4 hours and with the weight ratio between water and naphtha of between 0.5:1 and 4:1, thereby generating ethylene and propylene.

本发明涉及一种催化裂解制乙烯丙烯的方法，主要解决现有催化裂解制乙烯丙烯催化剂的使用温度高，活性低，乙烯丙烯选择性差的问题，本发明通过使用在共生分子筛上负载由元素周期表VIB族元素或VIB族元素和IVB族元素组成的固体超强酸作为催化剂，以组份为C 4 ～C 10 的石脑油为原料，在反应温度为550～700℃，反应压力为0.01～0.5MPa，反应重量空速为0.1～4小时-1 ，水/石脑油重量比为0.5～4∶1的条件下，进行催化裂解反应生成乙烯丙烯的技术方案，较好地解决了该问题，可用于催化裂解制乙烯丙烯的工业生产中。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。