Process for preparing high-octane high-cleanness gasoline with methanol by using multi-element catalysis method

A technology of high octane number and methanol, applied in the petroleum industry, the addition of unsaturated compounds to prepare ether, ether preparation, etc., can solve the problems of unreported technology and achieve the effect of energy saving

Active Publication Date: 2013-08-14
ECO ENVIRONMENTAL ENERGY RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report on the process of producing high-octane

Method used

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  • Process for preparing high-octane high-cleanness gasoline with methanol by using multi-element catalysis method
  • Process for preparing high-octane high-cleanness gasoline with methanol by using multi-element catalysis method

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0067] The first reactor C-1 is equipped with 20 grams of No. 1 catalyst, and the reaction temperature is: the preheater B-1 controls 200°C, the first reactor C-1 controls 460°C (D-1 shows the temperature); the second reactor C-2 is equipped with 20 grams of No. 2 catalyst, and the third reactor C-3 is equipped with 20 grams of No. 3 catalyst. Feed pump A-1 feeds 134.5 grams in four hours, including 55.5 grams of water, 79 grams of methanol, and 34.562 grams of hydrocarbons. 12.5 grams of base gasoline was produced in four hours (weighed, released from storage tank F-2), and the chromatographic data was sampled from sampling port H-2:

[0068] Methane 1.1070% accounts for 0.7060% of the carbon and hydrogen numbers of methanol.

[0069] 15.2518% of isobutene accounts for 9.7361% of the hydrocarbon number of methanol.

[0070] Isoamylene 1 accounted for 5.3493% and Isoamylene 2 accounted for 9.5388%.

[0071] The measured gas flow rate from the sampling port H-2 is 22.98 gram...

example 2

[0073] The temperature of the third reactor C-3 is raised to 75°C (D-3 shows the temperature), the gas of Example 1 enters the third reactor C-3, the feed pump A-2 feeds methanol 6ml / h, and the gas from the sampling port H- Gas samples were taken from port 3 for analysis. The isobutene content was 7.2586%, and the measured gas was 15.843 grams. 3.365 grams of isobutene enters the C-3 reactor, 1.150 grams remain after the reaction, and the conversion rate is 65.8%. The etherified gas contained 3.807 grams of oil, 9.288 grams of olefins after etherification, and 2.748 grams of alkanes, accounting for 7.95% of the hydrocarbon number of methanol.

example 3

[0075] C-1-C-4 reactors are filled with the following catalyst quantities: No. 1 catalyst 20g, No. 2 catalyst 20g, No. 3 catalyst 20g, and No. 4 catalyst 30g.

[0076] Feeding: A-No. pump 20g methanol and 15g water mixed feed per hour, A-2 pump enters methanol 6ml / h.

[0077] Reaction conditions: normal pressure reaction, temperature is 460°C for D-1, 300°C for D-2, 80°C for D-3, and 310°C for D-4.

[0078] 12-hour product: 80.1 g of base gasoline, 20.26 g of oxygenated oil, and 50.34 g of methanol remaining.

[0079] The ratio of the output oil material to the alcohol-oil input into methanol reaches 2.46 tons. Methanol produces 1 ton of oil products, of which the octane number of the base oil is 93.8, and the octane number of the oxygenated oil is 100. The oil does not contain sulfur and nitrogen elements. , the tail gas contains 10.1g of hydrocarbons, including 15% oil and 12% dry gas.

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Abstract

The invention relates to a process for preparing high-octane high-cleanness gasoline with methanol by using a multi-element catalysis method. The process comprises the following steps of: producing gasoline and light hydrocarbon in a reactor under the action of a catalyst by using methanol and water as the raw materials; carrying out catalytic reaction continuously on the light hydrocarbon in another reactor, selectively superposing the gasoline and concentrating isobutene and isoamylene; carrying out catalytic reaction on the concentrated isobutene and isoamylene and methanol in a third reactor to produce methyl tert butyl ether (MTBE) and tert amyl methyl ether (TAME); and further carrying out catalytic reaction on the remained hydrocarbon components in a fourth reactor to produce gasoline. The gasoline produced by the multi-element catalysis method has an octane value of more than 95, and is called as a high-quality and high-cleanness gasoline in the 21st century because the gasoline is sulfur-free, nitrogen-free and heavy-metal-free and the oxygen content is greater than 2%. The process is reliable, the operation is simple, continuous production is realized, the operation energy consumption is remarkably reduced, the public engineering order is lowered, and the gasoline is environment-friendly. Thus, the process has remarkable practicability, huge economic benefit and a wide application prospect.

Description

technical field [0001] The invention relates to a process for producing high-octane high-clean gasoline from methanol through a multi-component catalytic method. Background technique [0002] The emission of gasoline exhaust is one of the main reasons for excessive air pollution PM2.5 particles and smog. Especially in my country, the current gasoline standard is low, and sulfur, nitrogen, and heavy metals exceed the standard, which has caused great harm to the environment. The requirement of environmental protection on the quality of oil products has promoted the progress of oil refining technology and the development of gasoline made from clean raw materials. Methanol, sulfur-free and nitrogen-free, is a clean raw material for preparing gasoline. However, to compete with traditional petroleum raw materials in terms of oil production cost is to be more technologically advanced. In addition, methanol-to-gasoline must comply with advanced gasoline formulations, and the emer...

Claims

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Application Information

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IPC IPC(8): C10G3/00C07C43/04C07C41/06
CPCY02P30/20
Inventor 萧锦诚区绍伟刘述全苗晓涛张宇刘光明吕仲明
Owner ECO ENVIRONMENTAL ENERGY RES INST
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