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A continuous catalytic upgrading reaction system for microalgae liquefied oil

A technology of liquefied oil and mass reaction, which is applied in the preparation of liquid hydrocarbon mixture, processing of hydrocarbon oil, petroleum industry, etc., to achieve the effect of low investment and operating costs, lower energy consumption and operating costs, and saving operating costs

Active Publication Date: 2018-12-07
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is little research on the continuous catalytic upgrading reaction system of microalgae liquefied oil, and there is no continuous catalytic upgrading reaction device for microalgae liquefied oil that can effectively solve the above problems

Method used

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  • A continuous catalytic upgrading reaction system for microalgae liquefied oil

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Effect test

Embodiment 1

[0048] A continuous catalytic upgrading reaction system for microalgae liquefied oil, comprising a hydrothermal liquefaction reaction unit, a hydrothermal liquefaction separation unit, a catalytic upgrading reaction unit, a catalytic upgrading separation unit, and an oil storage tank 11;

[0049] Among them, the hydrothermal liquefaction reaction unit is connected with the hydrothermal liquefaction separation unit; the hydrothermal liquefaction separation unit is connected with the catalytic upgrading reaction unit; the catalytic upgrading reaction unit is connected with the catalytic upgrading separation unit; the catalytic upgrading separation unit is connected with the oil storage tank 11 connections;

[0050] Wherein, the catalytic upgrading separation unit includes a gas-liquid separator 15 and a quality upgrading centrifuge 13; the feed port of the gas-liquid separator 15 is connected with the catalytic upgrading reaction unit, and the liquid phase outlet of the gas-liqui...

Embodiment 2

[0058] A continuous catalytic upgrading reaction system for microalgae liquefied oil based on Example 1, wherein the catalytic upgrading reaction unit includes a hydrogen gas storage bottle 5, a water storage tank 18, a liquefied oil high-pressure pump 20 and a catalytic upgrading reaction unit device 8; where,

[0059] The feed port of the liquefied oil high pressure pump 20 is connected to the oil phase discharge port of the liquefied centrifuge 22;

[0060] The discharge port of the liquefied oil high-pressure pump 20 is connected with the feed port of the catalytic upgrading reactor 8 through a pipeline;

[0061] The hydrogen storage bottle 5 is connected to the first supercharger 6 through a pipeline; the first supercharger 6 is connected to the pipeline between the liquefied oil high pressure pump 20 and the catalytic upgrading reactor 8;

[0062] The water storage tank 18 is connected to the water tank high-pressure pump 19; the water tank high-pressure pump 19 is conn...

Embodiment 3

[0072] A continuous catalytic upgrading reaction system based on the microalgae liquefied oil of embodiment 1 or 2, wherein the hydrothermal liquefaction reaction unit includes an algae pulp high-pressure pump 2 and a hydrothermal liquefaction reactor 4,

[0073] The discharge port of the algae slurry high-pressure pump 2 is connected with the feed port of the hydrothermal liquefaction reactor 4;

[0074] The outlet of the hydrothermal liquefaction reactor 4 is connected to the inlet of the liquefaction centrifuge 22 through a pipeline, and a liquefaction back pressure valve 23 is arranged on the pipeline.

[0075] The liquefaction back pressure valve 23 can maintain the pressure in the hydrothermal liquefaction reactor 4, so that the hydrothermal liquefaction reaction can continue.

[0076] Wherein, in a feasible implementation manner, the hydrothermal liquefaction reaction unit further includes a liquefaction preheater 3, and the liquefaction preheater 3 has an algal pulp si...

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Abstract

The invention provides a continuous type catalytic upgrading reaction system for microalgae liquefied oil. The continuous type catalytic upgrading reaction system for microalgae liquefied oil comprises a hydrothermal liquefaction reaction unit, a hydrothermal liquefaction separation unit, a catalytic upgrading reaction unit, a catalytic upgrading separation unit and an oil storage tank, wherein the hydrothermal liquefaction reaction unit is connected with the hydrothermal liquefaction separation unit; the hydrothermal liquefaction separation unit is connected with the catalytic upgrading reaction unit; the catalytic upgrading reaction unit is connected with the catalytic upgrading separation unit; the catalytic upgrading separation unit is connected with the oil storage tank; the catalytic upgrading separating unit comprises a gas-liquid separator and an upgrading centrifugal machine; a feeding opening of the gas-liquid separator is connected with the catalytic upgrading reaction unit; a liquid phase discharging opening of the gas-liquid separator is connected with a feeding opening of the upgrading centrifugal machine; an oil phase discharging opening of the upgrading centrifugal machine is connected with the oil storage tank; and the hydrothermal liquefaction separation unit comprises a liquefaction centrifugal machine. The continuous type catalytic upgrading reaction system for the microalgae liquefied oil can run efficiently and continuously.

Description

technical field [0001] The invention belongs to the field of biomass energy, in particular to a continuous catalytic upgrading reaction system for microalgae liquefied oil. Background technique [0002] Microalgae hydrothermal liquefaction technology refers to the process of converting microalgae raw materials into bio-oil under liquid-phase hydrothermal conditions by using thermochemical methods. Hydrothermal liquefaction is a very promising microalgae oil production technology. The production technology of biomass liquid fuel with microalgae as raw material has high economic and technical feasibility; it is of great significance for alleviating environmental pollution and improving energy security . However, microalgae liquefied oil usually has high N, S, and O contents, and poor physical and chemical properties. This kind of bio-oil cannot be used directly and must be upgraded. A very effective method of upgrading is hydrothermal catalytic upgrading. The usual hydrothe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G1/00C10G67/02
CPCC10G1/00C10G67/02C10G2300/1014
Inventor 徐东海林桂柯王树众马志江郭树炜张建东
Owner XI AN JIAOTONG UNIV
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