Method for comprehensively utilizing abandoned oil in coking industries

A waste oil and industry technology, applied in the preparation of liquid hydrocarbon mixtures, petroleum industry, chemical modification of fatty acids, etc., can solve the problems of increased coal preparation production costs, low energy utilization efficiency, high production costs, etc., to improve resource utilization efficiency, The effect of easy purchase of raw materials and low production cost

Inactive Publication Date: 2014-11-26
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the shortage of petroleum resources, the use of petroleum-based diesel or kerosene as a flotation agent not only increases the production cost of coal preparation, but also may substitute the sulfur into the flotation coal to reduce the quality of coal
It can be seen that there are problems of low energy utilization efficiency and high production costs in the entire production chain from coal preparation to coking to product recycling

Method used

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  • Method for comprehensively utilizing abandoned oil in coking industries

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Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0027] Such as figure 1 As shown, 100 t of raw materials were obtained after the collected waste oil was removed from impurities, and the raw materials were sent into a light-transmitting strengthened glass reactor filled with titanium dioxide photocatalysts. The mass ratio of raw materials to catalysts was 100:1. Under sunlight conditions, the reaction temperature is 25o C, the reaction pressure is 1 atm, waste oil undergoes decomposition reaction to produce 90 t of green diesel oil, and its composition mass percentage is 53% of hydrocarbons ((in C 16 Mainly straight chain alkanes, a small amount of C 5 -C 9 alkanes and C 5 -C 8 olefins)), fatty acids 10%, esters 34% and water 3%, and CO 2 Gas 10 t (CO 2 The mole percentage is greater than 75%, others are a small amount of C 3 The following low-carbon hydrocarbons). The generated green diesel oil is directly used as a flotation agent for the flotation of coking coal blending, and 90,000 tons of clean coking coal can b...

Embodiment approach 2

[0029] Such as figure 1 As shown, 100 t of raw materials are obtained after the collected waste oil is removed from impurities, and the raw materials are sent into a light-transmitting strengthened glass reactor filled with bismuth oxybromide photocatalyst, and the mass ratio of raw materials to catalysts is 100:1 , under sunlight conditions, the reaction temperature is 25 o C, the reaction pressure is 1 atm, waste oil undergoes decomposition reaction to produce 88 t of green diesel oil, and its composition mass percentage is 46.5% of hydrocarbons (in C 16 Mainly straight chain alkanes, a small amount of C 5 -C 9 alkanes and C 5 -C 8 olefins)), fatty acids 12.4%, esters 36.2% and water 4.9%, and CO 2 Gas 12 t (CO 2 The mole percentage is greater than 80%, the others are a small amount of C 3 The following low-carbon hydrocarbons). The generated green diesel oil is directly used as a flotation agent for the flotation of coking coal blending, and 86,000 tons of clean co...

Embodiment approach 3

[0031] Such as figure 1 As shown, 100 t of raw materials are obtained after the collected waste oil is removed from impurities, and the raw materials are sent into a light-transmitting strengthened glass reactor filled with bismuth oxyiodide photocatalyst, and the mass ratio of raw materials to catalysts is 100:1 , under sunlight conditions, the reaction temperature is 25 o C, the reaction pressure is 1 atm, waste oil undergoes decomposition reaction to produce 85 t of green diesel oil, and its composition mass percentage is 44.4% of hydrocarbons (in C 16 Mainly straight chain alkanes, a small amount of C 5 -C 9 alkanes and C 5 -C 8 olefins)), fatty acids 13.9%, esters 36.1% and water 6.6%, and CO 2 Gas 15 t (CO 2 The mole percentage is greater than 83%, the others are a small amount of C 3 The following low-carbon hydrocarbons). The generated green diesel is directly used as a flotation agent for flotation of coking coal blending, and 79,500 tons of clean coking coal...

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Abstract

The invention provides a method for comprehensively utilizing abandoned oil in coking industries, and belongs to the technical fields of energy chemical industries and environments. The method is characterized by being a technical scheme of an application method of a poly-generation energy chemical engineering and power system combined with the comprehensive utilization of the abandoned oil in the coking industries. According to the method, an advanced photo-catalytic oxidation technology is used for transforming abandoned oil so as to produce environment-friendly diesel oil, the product treatment is convenient, raw materials are easy to purchase, and the production cost is low. A coke oven gas byproduct obtained by coking and CO2 generated in an environment-friendly diesel oil production process are exactly subjected to hydrocarbon complementation so as to produce a synthesis gas, so that the processes of using an additional gasification furnace for supplementing a carbon source and transforming water gas so as to adjust hydrogen are avoided; and the produced synthesis gas can be directly used for the synthesis of down-stream chemical products, so that a production system is simplified, and the production energy consumption is reduced. The method has the advantages that the conversion and utilization of CO2 are realized, the utilization rate of coke oven gas resources is realized, the CO2 emission is reduced, the whole production system is highly integrated, all production links are completely matched, elements are reasonably transformed and utilized in a classification manner, and a complete environment-friendly cycle production chain is formed.

Description

technical field [0001] The invention relates to a method for comprehensive utilization of waste oil in the coking industry, which belongs to the field of energy, chemical industry and environmental technology, and specifically relates to a method for producing green diesel oil from photocatalytic conversion of animal and vegetable oils and waste oil, which is applied to coal preparation and coking industries, and especially relates to A technical proposal for an application method of polygeneration energy chemical industry and power system combined with comprehensive utilization of waste oil in the coking industry. Background technique [0002] Coking industry is one of the main ways of comprehensive utilization of coal. With the rapid development of the coking industry, coke oven gas has become a large-tonnage secondary energy and chemical resource. Independent coking enterprises are established for the purpose of producing coke. 48% of the coke oven gas is used for self-h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G3/00C11C3/00C10L1/02
CPCY02E50/13Y02E50/10Y02P30/20
Inventor 易群张小超张继龙郭天玉任晓霞
Owner TAIYUAN UNIV OF TECH
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