CN102974398A - Preparation method of environment-friendly multifunctional metal deactivator - Google Patents
Preparation method of environment-friendly multifunctional metal deactivator Download PDFInfo
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- CN102974398A CN102974398A CN2012105318882A CN201210531888A CN102974398A CN 102974398 A CN102974398 A CN 102974398A CN 2012105318882 A CN2012105318882 A CN 2012105318882A CN 201210531888 A CN201210531888 A CN 201210531888A CN 102974398 A CN102974398 A CN 102974398A
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Abstract
The invention discloses a preparation method of an environment-friendly multifunctional metal deactivator, which is characterized by comprising the steps of sequentially adding water, boric acid, a metal ion passivator and glycerin into a reaction still and stirring, heating to 50-80 DEG C, adding a dispersing agent, heating to a boiling state, reflowing for 1-2h, cooling to 55-70 DEG C, adding magnesium acetate to heat to 85-100 DEG C, insulating for 1-4h, cooling and then putting the mixture into a storage tank for standing for one week to obtain the environment-friendly multifunctional metal deactivator. The environment-friendly multifunctional metal deactivator prepared by adopting the preparation method is prepared from the raw materials of boric acid and magnesium acetate instead of adopting antimony, tin and rare earth metals in the prior art so that the heavy metal pollution is avoided and the use cost is lowered on the basis of not influencing the effect, and ore resources are saved, and thereby belonging to an energy-saving environment-friendly product.
Description
Technical field
The present invention relates to a kind of preparation method of environment protection multifunctional matal deactivator.
Background technology
In catalytic cracking process, particularly in the catalytic cracking process take mink cell focus as raw material, the heavy metal that contains in the feedstock oil, catalyst surface be can be deposited on such as heavy metals such as nickel, vanadium, copper, iron and catalyst poisoning inactivation and selective decline caused, thereby yield of light oil is descended, and hydrogen and coke yield rise.Metallic pollution for catalytic cracking catalyst, industrial except raw material being carried out the demetalization preliminary treatment, selecting the strong catalyst of anti-metal ability, can also adopt the replacement rate that strengthens catalyst to improve the character of catalyst and the toxic action that suppresses the metal pair catalyst in the raw material with passivator.Wherein, using passivator is the simplest, effective method.
The most matal deactivator adopts with antimony passivation nickel, with the tin passivating vanadium, or with rare earth metal passivation nickel and vanadium, in addition, there is no at present the problem that additive method solves passivator.My company is in order to seek not use the heavy metal raw material, can solve passivator production, set about research in 2011, exploitation presses down the nickel agent take the compound of boron as raw material is synthetic, the synthetic vanadium-inhibiting agent take organic-magnesium as raw material, and with Appropriate method composite synthesis multi-function metal passivator.Press down the domestic report that there is not yet of vanadium take boron, magnesium elements as pressing down nickel.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of environment protection multifunctional matal deactivator.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of preparation method of environment protection multifunctional matal deactivator, it is characterized in that: water, boric acid, metallic ion passivation agent, glycerine are added reactor and stirring successively, be warming up to 50-80 ℃, add dispersant, be warming up to boiling, and backflow 1-2h, then be cooled to 55-70 ℃, add magnesium acetate and be warming up to 85-100 ℃, insulation 1-4h, squeeze into storage tank after the cooling and leave standstill a week, namely get the environment protection multifunctional matal deactivator.
The mass percent of raw material of the present invention is: boric acid 22-27%, glycerine 10-15%, magnesium acetate 10-20%, dispersant 5-10%, metallic ion passivation agent 3-8%, surplus are water.
The mass percent of raw material of the present invention is preferably: boric acid 25%, glycerine 12%, magnesium acetate 15%, dispersant 8%, metallic ion passivation agent 5%, water 35%.
Described dispersant is MEA or diethanol amine.
Described metallic ion passivation agent is ammonium phosphate or sodium phosphate.
Described water is preferably deionized water.
Beneficial effect of the present invention: use antimony, tin, rare earth metal in the environment protection multifunctional matal deactivator change prior art of utilizing the inventive method to prepare, use boric acid, magnesium acetate as raw material, avoided heavy metal pollution, reduced use cost on the basis of impact effect not again, save mineral resources, belong to energy saving and environment friendly product; The present invention will press down nickel and press down vanadium and press down the function ingredients such as iron and scientifically combine, and easy to operate during use, catalyst-assembly is stable, has improved simultaneously the light oil rate of recovery; The present invention does not affect the regeneration of catalyst, and environmentally safe has no adverse effects to the quality of product and the subsequent technique of product.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1
35kg deionized water, 25kg boric acid, 5kg ammonium phosphate, 12kg glycerine are added reactor and stirring successively, be warming up to 60 ℃, add the 8kg MEA, be warming up to boiling, then backflow 1h is cooled to 60 ℃, add the 15kg magnesium acetate and be warming up to 90 ℃, insulation 2h squeezes into storage tank and leaves standstill a week after the cooling, namely get the environment protection multifunctional matal deactivator.
Embodiment 2
49kg deionized water, 22kg boric acid, 3kg ammonium phosphate, 10kg glycerine are added reactor and stirring successively, be warming up to 70 ℃, add the 5kg diethanol amine, be warming up to boiling, then backflow 1.5h is cooled to 55 ℃, add the 11kg magnesium acetate and be warming up to 96 ℃, insulation 1h squeezes into storage tank and leaves standstill a week after the cooling, namely get the environment protection multifunctional matal deactivator.
Embodiment 3
36kg deionized water, 24kg boric acid, 6kg sodium phosphate, 14kg glycerine are added reactor and stirring successively, be warming up to 58 ℃, add the 7kg diethanol amine, be warming up to boiling, then backflow 1.2h is cooled to 56 ℃, add the 13kg magnesium acetate and be warming up to 100 ℃, insulation 4h squeezes into storage tank and leaves standstill a week after the cooling, namely get the environment protection multifunctional matal deactivator.
Embodiment 4
22kg deionized water, 27kg boric acid, 8kg ammonium phosphate, 15kg glycerine are added reactor and stirring successively, be warming up to 80 ℃, add the 6kg MEA, be warming up to boiling, then backflow 2h is cooled to 60 ℃, add the 18kg magnesium acetate and be warming up to 85 ℃, insulation 3h squeezes into storage tank and leaves standstill a week after the cooling, namely get the environment protection multifunctional matal deactivator.
Embodiment 5
33kg deionized water, 23kg boric acid, 7kg sodium phosphate, 13kg glycerine are added reactor and stirring successively, be warming up to 72 ℃, add the 10kg MEA, be warming up to boiling, then backflow 1.8h is cooled to 62 ℃, add the 14kg magnesium acetate and be warming up to 88 ℃, insulation 1.5h squeezes into storage tank and leaves standstill a week after the cooling, namely get the environment protection multifunctional matal deactivator.
Embodiment 6
30kg water, 26kg boric acid, 4kg ammonium phosphate, 11kg glycerine are added reactor and stirring successively, be warming up to 65 ℃, add the 9kg diethanol amine, be warming up to boiling, then backflow 1.6h is cooled to 70 ℃, add the 20kg magnesium acetate and be warming up to 95 ℃, insulation 3h squeezes into storage tank and leaves standstill a week after the cooling, namely get the environment protection multifunctional matal deactivator.
Embodiment 7
32.5kg deionized water, 23.5kg boric acid, 8kg sodium phosphate, 15kg glycerine are added reactor and stirring successively, be warming up to 75 ℃, add the 6kg MEA, be warming up to boiling, then backflow 1.5h is cooled to 66 ℃, add the 15kg magnesium acetate and be warming up to 93 ℃, insulation 2.5h squeezes into storage tank and leaves standstill a week after the cooling, namely get the environment protection multifunctional matal deactivator.
Embodiment 8
31kg water, 25kg boric acid, 3kg ammonium phosphate, 13kg glycerine are added reactor and stirring successively, be warming up to 53 ℃, add the 10kg diethanol amine, be warming up to boiling, then backflow 1.9h is cooled to 68 ℃, add the 18kg magnesium acetate and be warming up to 100 ℃, insulation 3h squeezes into storage tank and leaves standstill a week after the cooling, namely get the environment protection multifunctional matal deactivator.
Embodiment 9
36kg water, 24.5kg boric acid, 6kg sodium phosphate, 12kg glycerine are added reactor and stirring successively, be warming up to 79 ℃, add the 7.5kg MEA, be warming up to boiling, then backflow 2h is cooled to 55 ℃, add the 14kg magnesium acetate and be warming up to 90 ℃, insulation 4h squeezes into storage tank and leaves standstill a week after the cooling, namely get the environment protection multifunctional matal deactivator.
Embodiment 10
32kg water, 27kg boric acid, 5.5kg ammonium phosphate, 13.5kg glycerine are added reactor and stirring successively, be warming up to 66 ℃, add the 7kg MEA, be warming up to boiling, then backflow 1.5h is cooled to 58 ℃, add the 15kg magnesium acetate and be warming up to 86 ℃, insulation 3.5h squeezes into storage tank and leaves standstill a week after the cooling, namely get the environment protection multifunctional matal deactivator.
The character of the environment protection multifunctional matal deactivator that table 1 obtains for embodiment of the invention 1-5.
The character of the environment protection multifunctional matal deactivator that table 2 obtains for embodiment of the invention 6-10.
Claims (6)
1. the preparation method of an environment protection multifunctional matal deactivator, it is characterized in that: water, boric acid, metallic ion passivation agent, glycerine are added reactor and stirring successively, be warming up to 50-80 ℃, add dispersant, be warming up to boiling, and backflow 1-2h, then be cooled to 55-70 ℃, add magnesium acetate and be warming up to 85-100 ℃, insulation 1-4h, squeeze into storage tank after the cooling and leave standstill a week, namely get the environment protection multifunctional matal deactivator.
2. the preparation method of environment protection multifunctional matal deactivator according to claim 1, it is characterized in that the mass percent of raw material is: boric acid 22-27%, glycerine 10-15%, magnesium acetate 10-20%, dispersant 5-10%, metallic ion passivation agent 3-8%, surplus are water.
3. the preparation method of environment protection multifunctional matal deactivator according to claim 1 and 2 is characterized in that, the mass percent of raw material is preferably: boric acid 25%, glycerine 12%, magnesium acetate 15%, dispersant 8%, metallic ion passivation agent 5%, water 35%.
4. the preparation method of environment protection multifunctional matal deactivator according to claim 1 and 2 is characterized in that described dispersant is MEA or diethanol amine.
5. the preparation method of environment protection multifunctional matal deactivator according to claim 1 and 2 is characterized in that described metallic ion passivation agent is ammonium phosphate or sodium phosphate.
6. the preparation method of environment protection multifunctional matal deactivator according to claim 1 and 2 is characterized in that described water is preferably deionized water.
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| CN2012105318882A CN102974398A (en) | 2012-12-11 | 2012-12-11 | Preparation method of environment-friendly multifunctional metal deactivator |
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| CN2012105318882A CN102974398A (en) | 2012-12-11 | 2012-12-11 | Preparation method of environment-friendly multifunctional metal deactivator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906135A (en) * | 2018-07-24 | 2018-11-30 | 淄博凯美可工贸有限公司 | Double-function catalyzing cracking matal deactivator and preparation method |
| CN111054449A (en) * | 2019-12-31 | 2020-04-24 | 宜兴汉光高新石化有限公司 | Environment-friendly multi-metal passivator and preparation method thereof |
Citations (3)
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| WO2000001482A1 (en) * | 1998-07-02 | 2000-01-13 | Exxon Research And Engineering Company | Vanadium trap materials for use in fcc with an outboard vessel |
| CN1752191A (en) * | 2004-09-25 | 2006-03-29 | 卢箭 | Process for preparing organic magnesium alumen-removing agent |
| CN102596397A (en) * | 2009-10-02 | 2012-07-18 | 巴斯夫公司 | Improved heavy metals trapping co-catalyst for fcc processes |
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2012
- 2012-12-11 CN CN2012105318882A patent/CN102974398A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000001482A1 (en) * | 1998-07-02 | 2000-01-13 | Exxon Research And Engineering Company | Vanadium trap materials for use in fcc with an outboard vessel |
| CN1752191A (en) * | 2004-09-25 | 2006-03-29 | 卢箭 | Process for preparing organic magnesium alumen-removing agent |
| CN102596397A (en) * | 2009-10-02 | 2012-07-18 | 巴斯夫公司 | Improved heavy metals trapping co-catalyst for fcc processes |
Non-Patent Citations (1)
| Title |
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| 叶天旭等: "硼的钝镍作用及机理研究", 《石化技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906135A (en) * | 2018-07-24 | 2018-11-30 | 淄博凯美可工贸有限公司 | Double-function catalyzing cracking matal deactivator and preparation method |
| CN111054449A (en) * | 2019-12-31 | 2020-04-24 | 宜兴汉光高新石化有限公司 | Environment-friendly multi-metal passivator and preparation method thereof |
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Application publication date: 20130320 |