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Gas-phase catalyst for regenerating diesel through catalytic cracking of waste oil and preparation method thereof

A gas-phase catalyst, waste oil regeneration technology, applied in molecular sieve catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of difficult control of fuel oil quality, poor product performance, environmental protection problems, etc. The effect of active stability, clear and translucent oil, and strong versatility

Inactive Publication Date: 2012-07-25
杭州绿洲能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to compete with regular petroleum products because of oil regeneration or waste oil regeneration diesel and fuel oil quality is difficult to control, or the quality is not up to standard or environmental protection problems, or the performance of the product itself is not good.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Preparation of liquid phase catalyst

[0031] 27 kg of manganese dioxide, 25 kg of activated alumina and 48 kg of kaolin were pulverized, mechanically stirred, mixed uniformly, passed through a 200-mesh sieve, and dried at 100° C. for 1 hour to obtain a liquid-phase catalyst.

[0032] Preparation of gas phase catalyst

[0033] Pass 30 kg of Y-type molecular sieve REHY raw powder replaced by rare earth metal ions and hydrogen ions, 5 kg of high-silicon ZSM-5 molecular sieve raw powder, 15 kg of activated alumina, and 60 kg of bentonite, pass through a 120-mesh sieve, mechanically stir, and mix well , kneading the powder after mixing with 15 kilograms of prepared water glass binder, the control water-powder mass ratio is 0.55: 1, after fully kneading, extrude molding, pelletizing through screw extruder, dry under room temperature, After drying at 120° C. for 3 hours, it was calcined at 600° C. for 5 hours under an oxygen atmosphere to obtain cylindrical gas-phase catalys...

Embodiment 2

[0036] Preparation of liquid phase catalyst

[0037] 30 kg of anhydrous aluminum chloride, 25 kg of active aluminum silicate and 45 kg of diatomaceous earth are pulverized, mechanically stirred, mixed uniformly, passed through a 200-mesh sieve, and dried at 100°C for 1 hour to obtain a liquid-phase catalyst .

[0038] Preparation of gas phase catalyst

[0039] Pass 28 kg of Y-type molecular sieve HY raw powder replaced by hydrogen ions, 15 kg of high-silicon ZSM-5 molecular sieve raw powder, 20 kg of activated alumina, and 50 kg of kaolin through a 120-mesh sieve, mechanically stir, and mix evenly. The powder material and 16 kilograms of prepared pseudo-boehmite sol binders are kneaded, and the water-powder mass ratio is controlled to be 0.5: 1. After fully kneading, the screw extruder is extruded, pelletized, and dried at room temperature. After drying at 120° C. for 3 hours, it was calcined at 600° C. for 5 hours under an oxygen atmosphere to obtain cylindrical gas-phase c...

Embodiment 3

[0042] Preparation of liquid phase catalyst

[0043] 40 kg of copper oxide, 20 kg of pseudo-boehmite dry rubber powder and 40 kg of attapulgite are pulverized, mechanically stirred, mixed evenly, passed through a 200-mesh sieve, and dried at 100°C for 1 hour to obtain a liquid phase catalyst.

[0044] Preparation of gas phase catalyst

[0045] 25 kilograms of ultra-stable Y-type molecular sieve REUSY raw powder with a higher silicon-aluminum ratio obtained through dealumination of REY molecular sieve, 7 kilograms of HZSM-5 molecular sieve raw powder replaced by hydrogen ions with a silicon-aluminum ratio of 200:1, and 10 kg of activated alumina and 65 kg of diatomaceous earth obtained by dehydrating aluminum hydroxide at a low temperature of 130 to 160°C are passed through a 120-mesh sieve, mechanically stirred, and mixed evenly, and the mixed powder is mixed with the prepared 18 kilograms of silica sol binders are kneaded, and the control water-powder mass ratio is 0.55: 1,...

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Abstract

The invention discloses a gas-phase catalyst for regenerating diesel through catalytic cracking of waste oil and a preparation method thereof. The catalyst comprises the following components by weight percent: 10-50% of Y-type molecular sieve, 0-20% of high-silicon ZSM-5 molecular sieve, 10-40% of activated aluminum oxide, 30-70% of supporter and 10-20% of adhesive. The gas-phase catalyst has the characteristics of moderate activity, high selectivity, good stability, strong metal pollution resistant capability and long service life, can be regenerated and meets the requirement of the diesel through catalytic cracking of waste oil.

Description

technical field [0001] The invention relates to the technical fields of comprehensive utilization of waste oil and fuel oil processing, in particular to a gas-phase catalyst and a preparation method for regenerating diesel oil from waste oil by catalytic cracking. Background technique [0002] Waste oil mainly includes mineral oil (petroleum) and animal and vegetable oil (grease), which are very different in composition. At present, the comprehensive utilization of waste oil can be divided into three categories. One is that waste oil (mineral oil) is used as low-end fuel after rough processing, which leads to the failure of resource utilization and waste of resources. The other is to follow the oil refining process of a large petrochemical plant, waste oil removal of water and impurities→into the kettle→heating→waste oil vapor enters the catalytic layer→removal of coarse impurity layer→removal of fine impurity layer→adsorption→condensation→acid treatment→alkali Diesel oil b...

Claims

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Application Information

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IPC IPC(8): B01J29/80C10G11/05
Inventor 黄佳仁王琦陈巅
Owner 杭州绿洲能源科技有限公司
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