A parallel continuous separation method and system for carbonate-rich heavy oil ore

A heavy oil ore and separation method technology, applied in the direction of solid separation, can solve the problems of high energy consumption, solvent leakage, etc., and achieve the effects of accelerating the reaction process, simple operation, and improving extraction efficiency

Active Publication Date: 2018-09-11
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, they are all accompanied by their own shortcomings, such as the problem of solvent recovery in the residual sand solid after solvent extraction and the environmental problem of solvent leakage, the problem of high energy consumption in the thermal cracking process, the stability and scale of microbial fermentation , all of these make the above-mentioned technologies encounter various resistances in the process of industrialization, which eventually lead to their failure to achieve large-scale use in industry

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  • A parallel continuous separation method and system for carbonate-rich heavy oil ore

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Effect test

Embodiment 1

[0040] A parallel continuous separation system and method for carbonate-rich heavy oil ore, the steps are as follows:

[0041]The oil sludge (carbonate content 33%, maximum particle size 5cm) pulverized by pulverizer A is fed into mixing-reactor B1 with 50kg oil sand ore at a speed of 5kg / min, and sulfuric acid and hydrogen fluoride with a concentration of 2 mol / liter Mix the acid mixture (1:1 by volume) according to the solid-to-liquid ratio of 1:3 (mass ratio), mix thoroughly at 95°C, stir and react for 40 minutes, and let stand for 5 minutes to take out the upper layer of asphalt foam, and at the same time discharge the middle The solution phase and the solid substance at the bottom; when the feeding of B1 is finished, feed to B2, B2 and B1 perform the same operation, and so on, and switch to B3, B4, and B5 respectively, such as figure 1 shown.

[0042] The recovery rate of the obtained asphalt foam reaches 99.7%, the residual solid sand and clay in the foam are less than ...

Embodiment 2

[0044] A parallel continuous separation system and method for carbonate-rich heavy oil ore, the steps are as follows:

[0045] The oil sand (carbonate content 77%, maximum particle size 2cm) pulverized by the pulverizer A is fed into the mixing reactor B1 at a speed of 10 kg / min. The acid mixture (1:1 by volume ratio) is fully mixed at 35°C according to the solid-to-liquid ratio of 1:30 (mass ratio), ultrasonically reacted for 100 minutes, and left to stand for 5 minutes to take out the upper layer of asphalt foam, and at the same time discharge the middle The solution phase and the solid substance at the bottom; when the feeding of B1 is finished, feed to B2, B2 and B1 perform the same operation, and so on, and switch to B3, B4, and B5 respectively, such as figure 1 shown.

[0046] The recovery rate of the obtained asphalt foam reaches 99.7%, the residual solid sand grains and clay in the foam are less than 37.5% of the total mass of the foam, and the water content is less t...

Embodiment 3

[0048] A parallel continuous separation system and method for carbonate-rich heavy oil ore, the steps are as follows:

[0049] The oil shale (carbonate content 63%, maximum particle size 1.5cm) that pulverizes through pulverizer A is input 50kg oil sands ore to mixing reactor B1 with the speed of 10kg / min, and concentration is the phosphoric acid of 3 mol / liter according to The solid-liquid ratio is 1:5 (mass ratio), fully mixed at 5°C, microwave-enhanced (1.5KW) for 100 minutes, and allowed to stand for 5 minutes to take out the upper layer of asphalt foam, and at the same time discharge the middle solution phase and the solid substance at the bottom; After the feeding of B1 is finished, feed to B2, B2 and B1 perform the same operation, and so on, switch to B3, B4, and B5 respectively, such as figure 1 shown.

[0050] The recovery rate of the obtained asphalt foam reaches 99.2%, the residual solid sand grains and clay in the foam are less than 33% of the total mass of the fo...

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Abstract

The invention relates to a parallel-connection continuous separation method and system for a heavy oil deposit rich in carbonate. Heavy oil resources containing carbonate minerals, such as oil sand, oil shale and oily sludge, are mixed with a prepared solution under a certain condition and react with the solution, and carbonate in the heavy oil deposit is converted, so that the purpose of separating heavy oil from mineral particles is achieved. Heavy oil crude products, an aqueous solution rich in various metal ions and minerals used for building materials are finally obtained in the separation process. The technology can be used for effectively extracting the heavy oil from the deposit, and can be used for recovering the minerals in the heavy oil deposit to the great extent. Energy is greatly saved, and the purpose of energy-saving production of normal-temperature extraction or recovery of heavy oil is achieved.

Description

technical field [0001] The invention relates to a continuous separation system and method for separating heavy oil from carbonate-rich heavy oil ore, belongs to the technical field of chemical separation and reaction engineering, and specifically relates to a method for separating heavy oil ore using an acid solution. Background technique [0002] Heavy oil deposits (such as oil sands, oil shale, ground oil, oil sludge, etc.) are a complex mixture of heavy oil (or bitumen), sand, clay and a small amount of water. Because of its huge reserves, it has gradually become a reserve oil resource. Taking oil sands as an example, its proven reserves account for about one-third of the total existing oil resources, and the technically recoverable reserves are about 651 billion barrels, mainly distributed in Canada, Venezuela, the United States, Russia, Indonesia and China It is a potential alternative energy source for petroleum. [0003] Oil sand mining can be divided into open-pit ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03B9/02
CPCB03B9/02
Inventor 隋红何林李鑫钢
Owner TIANJIN UNIV
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