CN1317075C - Catalyst II for full catalytic oxidating of petrolum hyalrocarbon - Google Patents
Catalyst II for full catalytic oxidating of petrolum hyalrocarbon Download PDFInfo
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- CN1317075C CN1317075C CNB2005100066724A CN200510006672A CN1317075C CN 1317075 C CN1317075 C CN 1317075C CN B2005100066724 A CNB2005100066724 A CN B2005100066724A CN 200510006672 A CN200510006672 A CN 200510006672A CN 1317075 C CN1317075 C CN 1317075C
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Abstract
The present invention relates to a catalyst II for complete catalytic oxidation of petroleum hydrocarbon C11 to C20 of heavy liquid petroleum hydrocarbon with width components. The catalyst is formed by that chromic nitrate, manganese nitrate, iron nitrate, cobalt nitrate and citric acid are mixed into solution I; nickel nitrate, copper nitrate and cerous nitrate are then mixed into solution II; the two kinds of solution are uniformly mixed, are dipped on a non-shaped Al2 O3-SiO2 carrier for drying, and are arranged in a muffle furnace for heating, thermal insulation and natural cooling, and thus, the catalyst is obtained. The catalyst makes the petroleum hydrocarbon C11 to C20 with width components almost completely oxidized under a lower temperature, the pollution caused by the gas waste of fuel burning is fundamentally eliminated or greatly reduced, and the waste gas is not negatively processed. Furthermore, because the temperature of the complete oxidation is lower than the burning temperature of flame, the controllability of the reaction is high, cost is reduced and a practical degree can reach. Thus, the large-scale application of the catalyst can be realized.
Description
Technical field
The present invention relates to a kind of catalyst, be particularly useful for the catalyst of wide component petroleum hydrocarbon C11～C20 complete oxidation.
Background technology
In the oxidation of hydro carbons, the research of liquid towards hydrocarbon oxidation has also had very long history, but the purpose of former research is to obtain the incomplete oxidation product, the target that complete oxidation is pursued before not being, warp is to domestic and foreign literature and retrieval, and relevant Chinese patent comprises:
The catalyst (application number 00126383.8) that is used for the alkane oxidation;
The method of alkane oxidation (application number 97195087.3);
Low grade paraffine oxidation dehydrogenating catalyst and the method (application number 99106660.X) of producing alkene;
A kind of alkane oxidation catalyst and preparation method thereof (application number 96104766.6).
Have about the representational patent of the catalyst of catalyzing combustion of gasoline:
A kind of additive for catalyzing combustion of gasoline (application number 94112636.6);
A kind of additive for catalyzing combustion of diesel oil (application number 94112635.8);
A kind of oil inflame Preparation of catalysts method (application number 00113356.X);
Combustion catalyst (application number 98803842.0)
These catalyst all are that the form with additive joins and plays catalytic action in the fuel.
Also relevant for the patent of low concentration effumability organic gas completely oxidizing catalyst as:
Catalyst (application number 97192173.3) with full oxidation of volatile organic compounds;
Low concentration C1/C2 organic emission completely oxidizing catalyst and preparation method (application number 00108480.1);
Preparation method of a kind of perovskite type rare-earth compound oxide CO burning catalyst and products thereof and purposes (application number 93120614.6).
Relevant United States Patent (USP) comprises:
Alkane?oxidation?with?porphyrins?and?metal?complexesthereof?having?haloalkyl?side?chains(PAT.NO.5770728)
Catalyst?and?method?for?vapor?phase?oxidation?of?alkanehydrocarbons(PAT.NO.5543532)
New?manganese?catalyst?for?light?alkane?oxidation(PAT.NO.5345011)
Chromia?on?metal?oxide?for?the?oxidation?of?alkane?toalcohol(PAT.NO.5345010)
Alkane?oxidation?catalysts(PAT.NO.5091354)
Alkane?oxidation?process(PAT.NO.4898989)
Alkane?oxidation?catalyst(PAT.NO.4803187)
Method?for?production?of?alcohol，ketone，and?epoxide?byoxidation?of?hydrocarbone(PAT.NO.5623090)
Patent documentation according to existing research background and retrieval is found out, also not with mode and the similar catalyst patent of catalyst of the present invention with the liquefied hydrocarbon complete oxidation.
Under the effect of catalyst of the present invention, wide component petroleum hydrocarbon C11～C20 is completely oxidized to carbon dioxide and water in the ionic state of lower temperature, and the while is a spot of hydrocarbon CH of by-product and carbon monoxide CO only, does not have oxynitrides to produce.Rather than under traditional flame combustion, promptly under the high-temperature plasma attitude, be oxidized to hydrocarbon CH and the carbon monoxide CO and the oxynitrides of the not complete oxidation of carbon dioxide, water and high-load.The oxidized tail gas of wide component petroleum hydrocarbon C11～C20 has reached fully and has been better than index of correlation in No. 4 standards in Europe of motor vehicle exhaust emission, and the clean utilization of petroleum hydrocarbon fuel commonly used is now had positive effect.
Summary of the invention
The object of the invention is, a kind of complete catalyst for catalytic oxidation II of wide component heavy liquid condition petroleum hydrocarbon C11-C20 that is used for of development, this catalyst are with any one or two kinds in chromic nitrate, manganese nitrate, ferric nitrate and the cobalt nitrate compound and citric acid complex wiring solution-forming I; Again with any one or two kinds of wiring solution-forming II in nickel nitrate, copper nitrate, the cerous nitrate compound; Solution I and solution II are mixed, impregnated in unformed Al
2O
3-SiO
2On the carrier, drying is positioned over intensification in the muffle furnace, insulation, promptly gets catalyst after the cooling naturally; Containing composition in the gained catalyst is: unformed Al
2O
3-SiO
2Carrier, any one or two kinds in chrome green, manganese dioxide, di-iron trioxide, the cobalt sesquioxide compound; Any one or two kinds in nickel oxide, cupric oxide, the ceria compound; This catalyst with wide component petroleum hydrocarbon C11～C20 under lower temperature near complete oxidation, fundamentally eliminate or reduce the pollution that fuel combustion waste gas causes significantly, rather than negatively handle waste gas.Because the temperature of complete oxidation is a lot of than the temperature reduction of flame combustion,, reduce cost in addition, reach practical degree, make the large-scale application of this catalyst become possibility so the controllability of reaction improves.
The complete catalyst for catalytic oxidation II of wide component heavy liquid condition petroleum hydrocarbon C11-C20 that is used for of the present invention, this catalyst are with any one or two kinds in chromic nitrate, manganese nitrate, ferric nitrate and four kinds of compounds of cobalt nitrate and citric acid complex wiring solution-forming I; Again with any one or two kinds of wiring solution-forming II in nickel nitrate, copper nitrate, three kinds of compounds of cerous nitrate; Solution I and solution II are mixed, impregnated in unformed Al
2O
3-SiO
2On the carrier, drying is positioned over intensification in the muffle furnace, insulation, promptly gets catalyst after the cooling naturally; Containing composition in the gained catalyst is the quality percentage composition: unformed Al
2O
3-SiO
2Carrier 80.1-93.6%, the total content 1.2-3.8% of any one or two kinds in chrome green, manganese dioxide, di-iron trioxide, the cobalt sesquioxide compound; The total content 5.2-16.1% of any one or two kinds in nickel oxide, cupric oxide, the ceria compound.
Be used for the preparation method of the complete catalyst for catalytic oxidation II of wide component heavy liquid condition petroleum hydrocarbon, follow these steps to carry out:
A, with any one or two kinds in chromic nitrate, manganese nitrate, ferric nitrate and four kinds of compounds of cobalt nitrate and citric acid complex wiring solution-forming I, wherein any one or two kinds of compounds equate that with the consumption of citric acid the molal quantity of selected two kinds of compounds is equal;
B, will choose any one kind of them or two kinds of wiring solution-forming II in nickel nitrate, copper nitrate, three kinds of materials of cerous nitrate, wherein the consumption of optional two kinds of materials is that molal quantity equates;
C, impregnated in unformed Al after solution I and solution II mixed
2O
3-SiO
2On the carrier, after 50～100 ℃ of abundant dryings, it is put in slowly is warmed up to 150～300 ℃ in the muffle furnace, be incubated 2～4 hours, with 100～150 ℃/30 minutes speed intensification, after 450～800 ℃, be incubated 1-3 hour again, naturally cool off with stove then, promptly get catalyst.
The application of full catalytic oxidating of petrolum hyalrocarbon catalyst I I: catalyst is heated to 450-500 ℃ in air, the premix gas of blowing air and gasification lighter hydrocarbons on catalyst, complete oxidation takes place and generates carbon dioxide and water in petroleum hydrocarbon on catalyst; While is a small amount of not the hydrocarbon CH and the carbon monoxide CO of complete oxidation of by-product only, petroleum hydrocarbon under catalyst action during by complete oxidation its surface temperature reduce by 200～400 ℃ than the flame temperature of equivalent petroleum hydrocarbon when the flame combustion, catalytic bed is kermesinus, does not have flame to produce.
The characteristics that are used for the complete catalyst for catalytic oxidation II of wide component heavy liquid condition petroleum hydrocarbon of the present invention are:
Ingredient is all cheap and easy to get in this catalyst, and is cheap for manufacturing cost, is easy to large-scale application.
The air that can will reach flammable concentration almost completely is oxidized to carbon dioxide and water at a lower temperature with gasification lighter hydrocarbons gaseous mixture.
Petroleum hydrocarbon C11～C20 that can compositional range is very wide is near 100% oxidation.
The specific embodiment
Embodiment 1
Select for use two kinds of materials of chromic nitrate, manganese nitrate that molal quantity equates with etc. the citric acid of molal quantity make solution I;
Again with nickel nitrate wiring solution-forming II;
Impregnated in unformed Al after solution I and solution II mixed
2O
3-SiO
2On the carrier, after 100 ℃ of abundant dryings, it is put in slowly is warmed up to 300 ℃ in the muffle furnace, be incubated 2 hours, heat up with 100 ℃/30 minutes speed, insulation is 1 hour after 500 ℃, cools off naturally with stove then, promptly gets catalyst;
Contain composition (quality percentage composition) in the gained catalyst:
Al
2O
3-SiO
2Carrier 85.6%, chrome green 1.4%, manganese dioxide 1.7%, nickel oxide 11.3%.
Catalyst being applied as in wide component petroleum hydrocarbon C11～C20 complete oxidation: catalyst is heated to 450 ℃ in air, the premix gas of blowing air and gasification petroleum hydrocarbon on catalyst, catalytic oxidation takes place and generates carbon dioxide in petroleum hydrocarbon on catalyst, water, while is a small amount of not the hydrocarbon CH and the carbon monoxide CO of complete oxidation of by-product only, emits a large amount of heat simultaneously.The hydrocarbon CH of complete oxidation does not account for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.3%, carbon monoxide CO accounts for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.4%, because the conversion zone temperature is relatively low, so there is not oxynitrides to produce.Air measures than being made into according to chemical reaction with the premix gas of gasification petroleum hydrocarbon, beds was dark red state when petroleum hydrocarbon on catalyst complete oxidation took place, but there is not flame to produce, catalyst surface temperature equates everywhere, petroleum hydrocarbon under catalyst action during by complete oxidation catalyst surface temperature reduce by 300 ℃ than the flame temperature of equivalent petroleum hydrocarbon when the normal pressure flame combustion.
Embodiment 2
Two kinds of materials of chromic nitrate, ferric nitrate of molal quantity such as selecting for use with etc. the citric acid of molal quantity make solution I;
Again with copper nitrate solution II;
Impregnated in unformed Al after solution I and solution II mixed
2O
3-SiO
2On the carrier, after 60 ℃ of abundant dryings, it is put in slowly is warmed up to 180 ℃ in the muffle furnace, be incubated 2 hours, heat up with 120 ℃/30 minutes speed, insulation is 2 hours after 600 ℃, cools off naturally with stove then, promptly gets catalyst;
Contain composition (quality percentage composition) in the catalyst:
Al
2O
3-SiO
2Carrier 90.5%, chrome green 1.7%, di-iron trioxide 2.0%, cupric oxide 5.8%.
Catalyst being applied as in wide component petroleum hydrocarbon C11～C20 complete oxidation: catalyst is heated to 500 ℃ in air, the premix gas of blowing air and gasification petroleum hydrocarbon on catalyst, catalytic oxidation takes place and generates carbon dioxide in petroleum hydrocarbon on catalyst, water, while is a small amount of not the hydrocarbon CH and the carbon monoxide CO of complete oxidation of by-product only, emits a large amount of heat simultaneously.The hydrocarbon CH of complete oxidation does not account for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.3%, carbon monoxide CO accounts for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.4%, because the conversion zone temperature is relatively low, so there is not oxynitrides to produce.Air measures than being made into according to chemical reaction with the premix gas of gasification petroleum hydrocarbon, beds was dark red state when petroleum hydrocarbon on catalyst complete oxidation took place, but there is not flame to produce, catalyst surface temperature equates everywhere, petroleum hydrocarbon under catalyst action during by complete oxidation catalyst surface temperature reduce by 380 ℃ than the flame temperature of equivalent petroleum hydrocarbon when the normal pressure flame combustion.
Embodiment 3
Two kinds of materials of ferric nitrate, cobalt nitrate that molal quantity is equated with etc. the citric acid of molal quantity make solution I;
With cerous nitrate wiring solution-forming II;
Impregnated in unformed Al after solution I and solution II mixed
2O
3-SiO
2On the carrier, after 80 ℃ of abundant dryings, it is put in slowly is warmed up to 250 ℃ in the muffle furnace, be incubated 2 hours, heat up with 150 ℃/30 minutes speed, insulation is 3 hours after 600 ℃, cools off naturally with stove then, promptly gets catalyst;
Contain composition (quality percentage composition) in the catalyst:
Al
2O
3-SiO
2Carrier 88.9%, di-iron trioxide 1.76%, cobalt sesquioxide 1.74%, ceria 9.6%.
Catalyst being applied as in wide component petroleum hydrocarbon C11～C20 complete oxidation: catalyst is heated to 470 ℃ in air, the premix gas of blowing air and gasification petroleum hydrocarbon on catalyst, catalytic oxidation takes place and generates carbon dioxide in petroleum hydrocarbon on catalyst, water, while is a small amount of not the hydrocarbon CH and the carbon monoxide CO of complete oxidation of by-product only, emits a large amount of heat simultaneously.The hydrocarbon CH of complete oxidation does not account for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.3%, carbon monoxide CO accounts for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.4%, because the conversion zone temperature is relatively low, so there is not oxynitrides to produce.Air measures than being made into according to chemical reaction with the premix gas of gasification petroleum hydrocarbon, beds was dark red state when petroleum hydrocarbon on catalyst complete oxidation took place, but there is not flame to produce, catalyst surface temperature equates everywhere, petroleum hydrocarbon under catalyst action during by complete oxidation catalyst surface temperature reduce by 420 ℃ than the flame temperature of equivalent petroleum hydrocarbon when the normal pressure flame combustion.
Embodiment 4
Two kinds of materials of manganese nitrate, ferric nitrate that molal quantity is equated with etc. the citric acid of molal quantity make solution I;
With cerous nitrate wiring solution-forming II;
Impregnated in unformed Al after solution I and solution II mixed
2O
3-SiO
2On the carrier, after 70 ℃ of abundant dryings, it is put in slowly is warmed up to 300 ℃ in the muffle furnace, be incubated 3 hours, heat up with 100 ℃/30 minutes speed, insulation is 2.5 hours after 550 ℃, cools off naturally with stove then, promptly gets catalyst.
Contain composition (quality percentage composition) in the catalyst:
Al
2O
3-SiO
2Carrier 82.3%, manganese dioxide 1.6%; Di-iron trioxide 1.4%, ceria 14.7%.
Catalyst being applied as in wide component petroleum hydrocarbon C11～C20 complete oxidation: catalyst is heated to 480 ℃ in air, the premix gas of blowing air and gasification petroleum hydrocarbon on catalyst, catalytic oxidation takes place and generates carbon dioxide in petroleum hydrocarbon on catalyst, water, while is a small amount of not the hydrocarbon CH and the carbon monoxide CO of complete oxidation of by-product only, emits a large amount of heat simultaneously.The hydrocarbon CH of complete oxidation does not account for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.3%, carbon monoxide CO accounts for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.4%, because the conversion zone temperature is relatively low, so there is not oxynitrides to produce.Air measures than being made into according to chemical reaction with the premix gas of gasification petroleum hydrocarbon, beds was dark red state when petroleum hydrocarbon on catalyst complete oxidation took place, but there is not flame to produce, catalyst surface temperature equates everywhere, petroleum hydrocarbon under catalyst action during by complete oxidation catalyst surface temperature reduce by 420 ℃ than the flame temperature of equivalent petroleum hydrocarbon when the normal pressure flame combustion.
Embodiment 5
Two kinds of materials of chromic nitrate, cobalt nitrate that molal quantity is equated with etc. the citric acid of molal quantity make solution I;
Copper nitrate, two kinds of material wiring solution-formings of cerous nitrate II of molal quantity will be waited;
Impregnated in unformed Al after solution I and solution II mixed
2O
3-SiO
2On the carrier, after 90 ℃ of abundant dryings, it is put in slowly is warmed up to 280 ℃ in the muffle furnace, be incubated 2 hours, heat up with 130 ℃/30 minutes speed, insulation is 1 hour after 600 ℃, cools off naturally with stove then, promptly gets catalyst.
Contain composition (quality percentage composition) in the catalyst:
Al
2O
3-SiO
2Carrier 87.8%, chrome green 1.1%, cobalt sesquioxide 1.3%, cupric oxide 3.1%, ceria 6.7%.
Catalyst being applied as in wide component petroleum hydrocarbon C11～C20 complete oxidation: catalyst is heated to 450 ℃ in air, the premix gas of blowing air and gasification petroleum hydrocarbon on catalyst, catalytic oxidation takes place and generates carbon dioxide in petroleum hydrocarbon on catalyst, water, while is a small amount of not the hydrocarbon CH and the carbon monoxide CO of complete oxidation of by-product only, emits a large amount of heat simultaneously.The hydrocarbon CH of complete oxidation does not account for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.3%, carbon monoxide CO accounts for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.4%, because the conversion zone temperature is relatively low, so there is not oxynitrides to produce.Air measures than being made into according to chemical reaction with the premix gas of gasification petroleum hydrocarbon, beds was dark red state when petroleum hydrocarbon on catalyst complete oxidation took place, but there is not flame to produce, catalyst surface temperature equates everywhere, petroleum hydrocarbon under catalyst action during by complete oxidation catalyst surface temperature reduce by 390 ℃ than the flame temperature of equivalent petroleum hydrocarbon when the normal pressure flame combustion.
Embodiment 6
The ferric nitrate and the citric acid of molal quantity such as grade are made solution I;
With cerous nitrate wiring solution-forming II;
Impregnated in unformed Al after solution I and solution II mixed
2O
3-SiO
2On the carrier, after 60 ℃ of abundant dryings, it is put in slowly is warmed up to 150 ℃ in the muffle furnace, be incubated 2 hours, heat up with 130 ℃/30 minutes speed, insulation is 1 hour after 500 ℃, cools off naturally with stove then, promptly gets catalyst.
Contain composition (quality percentage composition) in the catalyst
Al
2O
3-SiO
2Carrier 88.6%, di-iron trioxide 1.8%, ceria 9.6%.
Catalyst being applied as in wide component petroleum hydrocarbon C11～C20 complete oxidation: catalyst is heated to 450 ℃ in air, the premix gas of blowing air and gasification petroleum hydrocarbon on catalyst, catalytic oxidation takes place and generates carbon dioxide in petroleum hydrocarbon on catalyst, water, while is a small amount of not the hydrocarbon CH and the carbon monoxide CO of complete oxidation of by-product only, emits a large amount of heat simultaneously.The hydrocarbon CH of complete oxidation does not account for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.3%, carbon monoxide CO accounts for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.4%, because the conversion zone temperature is relatively low, so there is not oxynitrides to produce.Air measures than being made into according to chemical reaction with the premix gas of gasification petroleum hydrocarbon, beds was dark red state when petroleum hydrocarbon on catalyst complete oxidation took place, but there is not flame to produce, catalyst surface temperature equates everywhere, petroleum hydrocarbon under catalyst action during by complete oxidation catalyst surface temperature reduce by 350 ℃ than the flame temperature of equivalent petroleum hydrocarbon when the normal pressure flame combustion.
Embodiment 7
The manganese nitrate and the citric acid of molal quantity such as grade are made solution I;
With copper nitrate wiring solution-forming II;
Impregnated in unformed Al after solution I and solution II mixed
2O
3-SiO
2On the carrier, after 100 ℃ of abundant dryings, it is put in slowly is warmed up to 200 ℃ in the muffle furnace, be incubated 2 hours, heat up with 150 ℃/30 minutes speed, insulation is 2 hours after 700 ℃, cools off naturally with stove then, promptly gets catalyst.
Contain composition (quality percentage composition) in the catalyst:
Al
2O
3-SiO
2Carrier 92.7%, manganese dioxide 1.9%, cupric oxide 5.4%.
Catalyst being applied as in wide component petroleum hydrocarbon C11～C20 complete oxidation: catalyst is heated to 500 ℃ in air, the premix gas of blowing air and gasification petroleum hydrocarbon on catalyst, catalytic oxidation takes place and generates carbon dioxide in petroleum hydrocarbon on catalyst, water, while is a small amount of not the hydrocarbon CH and the carbon monoxide CO of complete oxidation of by-product only, emits a large amount of heat simultaneously.The hydrocarbon CH of complete oxidation does not account for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.3%, carbon monoxide CO accounts for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.4%, because the conversion zone temperature is relatively low, so there is not oxynitrides to produce.Air measures than being made into according to chemical reaction with the premix gas of gasification petroleum hydrocarbon, beds was dark red state when petroleum hydrocarbon on catalyst complete oxidation took place, but there is not flame to produce, catalyst surface temperature equates everywhere, petroleum hydrocarbon under catalyst action during by complete oxidation catalyst surface temperature reduce by 450 ℃ than the flame temperature of equivalent petroleum hydrocarbon when the normal pressure flame combustion.
Embodiment 8
The cobalt nitrate and the citric acid of molal quantity such as grade are made solution I;
With nickel nitrate wiring solution-forming II;
Impregnated in unformed Al after solution I and solution II mixed
2O
3-SiO
2On the carrier, after 100 ℃ of abundant dryings, it is put in slowly is warmed up to 260 ℃ in the muffle furnace, be incubated 2 hours, heat up with 140 ℃/30 minutes speed, insulation is 1 hour after 650 ℃, cools off naturally with stove then, promptly gets catalyst.
Contain composition (quality percentage composition) in the catalyst:
Al
2O
3-SiO
2Carrier 93.5%, cobalt sesquioxide 1.3%, nickel oxide 5.2%.
Catalyst being applied as in wide component petroleum hydrocarbon C11～C20 complete oxidation: catalyst is heated to 500 ℃ in air, the premix gas of blowing air and gasification petroleum hydrocarbon on catalyst, catalytic oxidation takes place and generates carbon dioxide in petroleum hydrocarbon on catalyst, water, while is a small amount of not the hydrocarbon CH and the carbon monoxide CO of complete oxidation of by-product only, emits a large amount of heat simultaneously.The hydrocarbon CH of complete oxidation does not account for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.3%, carbon monoxide CO accounts for the quality percentage composition of all combustion products that petroleum hydrocarbon oxidizing generates less than 0.4%, because the conversion zone temperature is relatively low, so there is not oxynitrides to produce.Air measures than being made into according to chemical reaction with the premix gas of gasification petroleum hydrocarbon, beds was dark red state when petroleum hydrocarbon on catalyst complete oxidation took place, but there is not flame to produce, catalyst surface temperature equates everywhere, petroleum hydrocarbon under catalyst action during by complete oxidation catalyst surface temperature reduce by 320 ℃ than the flame temperature of equivalent petroleum hydrocarbon when the normal pressure flame combustion.
Claims (3)
1, a kind of complete catalyst for catalytic oxidation II of wide component heavy liquid condition petroleum hydrocarbon C11-C20 that is used for is characterized in that this catalyst is with any one or two kinds in chromic nitrate, manganese nitrate, ferric nitrate and four kinds of compounds of cobalt nitrate and citric acid complex wiring solution-forming I; Again with any one or two kinds of wiring solution-forming II in nickel nitrate, copper nitrate, three kinds of compounds of cerous nitrate; Solution I and solution II are mixed, impregnated in unformed Al
2O
3-SiO
2On the carrier, drying is positioned over intensification in the muffle furnace, insulation, promptly gets catalyst after the cooling naturally; Containing composition in the gained catalyst is the quality percentage composition: unformed Al
2O
3-SiO
2Carrier 80.1-93.6%, the total content 1.2-3.8% of any one or two kinds in chrome green, manganese dioxide, di-iron trioxide, the cobalt sesquioxide compound; The total content 5.2-16.1% of any one or two kinds in nickel oxide, cupric oxide, the ceria compound.
2, the preparation method of full catalytic oxidating of petrolum hyalrocarbon catalyst I I according to claim 1 is characterized in that following these steps to carrying out:
A, with any one or two kinds in chromic nitrate, manganese nitrate, ferric nitrate and four kinds of compounds of cobalt nitrate and citric acid complex wiring solution-forming I, wherein any one or two kinds of compounds equate that with the consumption of citric acid the molal quantity of selected two kinds of compounds is equal;
B, will choose any one kind of them or two kinds of wiring solution-forming II in nickel nitrate, copper nitrate, three kinds of materials of cerous nitrate, wherein the consumption of optional two kinds of materials is that molal quantity equates;
C, impregnated in unformed Al after solution I and solution II mixed
2O
3-SiO
2On the carrier, after 50～100 ℃ of abundant dryings, it is put in slowly is warmed up to 150～300 ℃ in the muffle furnace, be incubated 2～4 hours, with 100～150 ℃/30 minutes speed intensification, after 450～800 ℃, be incubated 1-3 hour again, naturally cool off with stove then, promptly get catalyst.
3, the application among the full catalytic oxidating of petrolum hyalrocarbon catalyst I I according to claim 1: catalyst is heated to 450-500 ℃ in air, the premix gas of blowing air and gasification lighter hydrocarbons on catalyst, complete oxidation takes place and generates carbon dioxide and water in petroleum hydrocarbon on catalyst; While is a small amount of not the hydrocarbon CH and the carbon monoxide CO of complete oxidation of by-product only, petroleum hydrocarbon under catalyst action during by complete oxidation its surface temperature reduce by 200～400 ℃ than the flame temperature of equivalent petroleum hydrocarbon when the flame combustion, catalytic bed is kermesinus, does not have flame to produce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100066724A CN1317075C (en) | 2005-01-26 | 2005-01-26 | Catalyst II for full catalytic oxidating of petrolum hyalrocarbon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100066724A CN1317075C (en) | 2005-01-26 | 2005-01-26 | Catalyst II for full catalytic oxidating of petrolum hyalrocarbon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1657166A CN1657166A (en) | 2005-08-24 |
| CN1317075C true CN1317075C (en) | 2007-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100066724A Expired - Fee Related CN1317075C (en) | 2005-01-26 | 2005-01-26 | Catalyst II for full catalytic oxidating of petrolum hyalrocarbon |
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| CN112517084A (en) * | 2020-12-09 | 2021-03-19 | 北京理工大学 | Nano-channel slow-release photodegradation catalyst, preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0136589B2 (en) * | 1980-08-29 | 1989-08-01 | Aisin Seiki | |
| CN1210475A (en) * | 1996-02-12 | 1999-03-10 | 国家研究院 | Catalysts for full oxidation of volatile organic compounds |
| CN1346704A (en) * | 2000-10-11 | 2002-05-01 | 舒德化学公司 | Oxidation catalyst |
-
2005
- 2005-01-26 CN CNB2005100066724A patent/CN1317075C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0136589B2 (en) * | 1980-08-29 | 1989-08-01 | Aisin Seiki | |
| CN1210475A (en) * | 1996-02-12 | 1999-03-10 | 国家研究院 | Catalysts for full oxidation of volatile organic compounds |
| CN1346704A (en) * | 2000-10-11 | 2002-05-01 | 舒德化学公司 | Oxidation catalyst |
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| Publication number | Publication date |
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| CN1657166A (en) | 2005-08-24 |
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