CN109593543A - A kind of comprehensive processing technique of refining slag - Google Patents
A kind of comprehensive processing technique of refining slag Download PDFInfo
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- CN109593543A CN109593543A CN201811626513.8A CN201811626513A CN109593543A CN 109593543 A CN109593543 A CN 109593543A CN 201811626513 A CN201811626513 A CN 201811626513A CN 109593543 A CN109593543 A CN 109593543A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/04—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
- C10G1/045—Separation of insoluble materials
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention provides a kind of comprehensive processing technique of refining slag, include the following steps: to pre-process: acid residuals of petroleum, alkaline residue and a kind of demulsifier being directly added into reaction kettle, and aqueous slkali is added and carries out neutralization reaction, to form neutralization solution；Primary settling separates: the pH value that adjusting neutralizes solution carries out settlement action to 7-9, and the acid-soluble oil isolated is converted into antirust agent, the primary obtained primary stage solids sodium sulphate of water phase concentration respectively；Secondary sedimentation shunts: two class demulsifiers being added in the residue in primary solid-phase layer and form mixed solution with acid solution, are settled again, and recirculated water and paste sulphonated asphalt are made respectively after the secondary water phase of formation and secondary solid phase are handled.The comprehensive processing technique of refining slag provided by the invention, realizes the recycling of petroleum waste residue, and then efficiently solves acid residuals of petroleum, alkaline residue comprehensive utilization and transport difficult, and pollute environment, endanger the problem of surrounding farmland, water body.
Description
Technical field
The present invention relates to technical field of chemical engineering, in particular to a kind of comprehensive processing technique of refining slag.
Background technique
Major oil plant has millions of tons acid sludge, alkaline residue to generate every year on our times.These acid sludges, alkaline residue not only transport
It is very difficult, and be difficult to be utilized, while also polluting environment, farmland around and water body are caused to seriously endanger.Therefore, to acid
Slag, the research of dreg control are not only necessary but also urgent.But the prior art for acid sludge, alkaline residue mainly use incineration method or
Pyrolysismethod is pocessed, these methods are not only at high cost, but also can only be satisfied with processing, can not be truly realized comprehensive utilization.
Therefore, carry out comprehensively processing petroleum acid slag in a deep going way, the technique study of alkaline residue be those skilled in the art important subject.Hair
Bright content provides a kind of method of comprehensively processing petroleum acid slag, alkaline residue it is an object of the invention to overcome background technique,
New method will solve acid residuals of petroleum, alkaline residue comprehensive utilization and transport difficult, and pollute environment, endanger surrounding farmland, water body is asked
Topic.
Summary of the invention
In consideration of it, the invention proposes a kind of comprehensive processing techniques of refining slag, it is intended to solve existing petroleum waste residue
Acid sludge, alkaline residue comprehensive utilization and transport difficulty are larger in treatment process, and the problem of pollution environment.
The invention proposes a kind of comprehensive processing techniques of refining slag, include the following steps:
Pretreatment: pretreated acid residuals of petroleum, alkaline residue and a kind of demulsifier are directly added into reaction kettle, and are added default
The aqueous slkali of amount carries out neutralization reaction, to form neutralization solution；
Primary settling separation: the pH value for neutralizing solution is adjusted to 7-9, settlement action is carried out later, so that in described
Acid-soluble oil phase, primary water phase and primary solid phase, and the acid-soluble oil that will be isolated respectively by presetting method are separated into solution
It is converted into antirust agent, primary water phase is concentrated and primary stage solids sodium sulphate is made；
Secondary sedimentation shunts: two class demulsifiers and molten with the acid of predetermined amount being added in the residue in the primary solid-phase layer
Liquid forms mixed solution, is settled again later, so that the mixed solution is separated into organic phase, secondary water phase and secondary
Solid phase, and after the secondary water phase and the secondary solid phase being handled by presetting method be made recirculated water and paste respectively
Sulfonated gilsonite.
Further, in the comprehensive processing technique of above-mentioned refining slag, it is described one kind demulsifier in include: 60% it is inorganic
Demulsifier and 40% organic emulsion breaker.
Further, in the comprehensive processing technique of above-mentioned refining slag, the inorganic demulsifier by sodium chloride, sodium phosphate with
And carbonic acid argon sodium mixes mixture, the organic emulsion breaker is mixed by hydramine, sulfonated oil and alkyd resin.
Further, in the comprehensive processing technique of above-mentioned refining slag, the acid-soluble oil be converted into antirust agent need to be added it is pre-
If concentration is dried in the pulverized limestone of amount.
Further, in the comprehensive processing technique of above-mentioned refining slag, the solid sodium sulfate needed in producing process by
The primary water is mutually successively by decoloration, filtering, drying process and concentration.
Further, in the comprehensive processing technique of above-mentioned refining slag, the solid sodium sulfate can be used in producing papermaking
Saltcake.
Further, it in the comprehensive processing technique of above-mentioned refining slag, is used during the primary water phase decoloration
Decolorising agent is activity white soil.
Further, in the comprehensive processing technique of above-mentioned refining slag, the two classes demulsifier is by polyethers, ethyl alcohol, tristearin
Acid and derivative of fatty acid are mixed to prepare.
Further, in the comprehensive processing technique of above-mentioned refining slag, the organic phase can be directly as fuel oil.
Further, in the comprehensive processing technique of above-mentioned refining slag, the secondary water phase and the secondary solid phase processing
Neutralization reaction is carried out by the way that alkaline solution is added in the process, recirculated water and paste sulphonated asphalt to be made respectively.
Compared with prior art, the beneficial effects of the present invention are General Office's science and engineerings of refining slag provided by the invention
Skill, by being pre-processed to the waste residue of oil refining generation, primary settling separates and secondary sedimentation separation, and separation is generated
Substance in each phase is individually handled respectively, but to form it into his substance, the recycling of petroleum waste residue is realized,
And then acid residuals of petroleum, alkaline residue comprehensive utilization and transport difficult are efficiently solved, and pollute environment, endanger surrounding farmland, water
The problem of body.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the comprehensive processing technique flow chart of refining slag provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and
Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig.1, being the comprehensive processing technique of refining slag provided in an embodiment of the present invention comprising following step
It is rapid:
Pretreatment: pretreated acid residuals of petroleum, alkaline residue and a kind of demulsifier are directly added into reaction kettle, and are added default
The aqueous slkali of amount carries out neutralization reaction, to form neutralization solution；Wherein, include: in a kind of demulsifier 60% it is inorganic broken
Emulsion and 40% organic emulsion breaker；The inorganic demulsifier mixes mixing by sodium chloride, sodium phosphate and carbonic acid argon sodium
Object；The organic emulsion breaker is mixed by hydramine, sulfonated oil and alkyd resin.
Primary settling separation: the pH value for neutralizing solution is adjusted to 7-9, settlement action is carried out later, so that in described
Be separated into acid-soluble oil phase, primary water phase and primary solid phase with solution, and respectively by the acid-soluble oil isolated be converted into antirust agent,
Primary water phase, which is concentrated, is made primary stage solids sodium sulphate；Wherein, the method that acid-soluble oil is converted to antirust agent are as follows: pass through what will be isolated
Acid-soluble oil phase acid-soluble oil refines production antirust agent after pulverized limestone is dried；The method of water phase extracting sulfuric acid sodium are as follows: will separate
Water phase activated decoloration out, filtering, and finished solid sodium sulphate is concentrated to get after drying machine is spray-dried, it is described solid
Body sodium sulphate is for producing paper grade (stock) saltcake.
Secondary sedimentation shunts: two class demulsifiers and molten with the acid of predetermined amount being added in the residue in the primary solid-phase layer
Liquid forms mixed solution, is settled again later, so that the mixed solution is separated into organic phase, secondary water phase and secondary
Solid phase, and after the secondary water phase and the secondary solid phase being handled by presetting method be made recirculated water and paste respectively
Sulfonated gilsonite.Wherein, the two classes demulsifier is mixed to prepare by polyethers, ethyl alcohol, stearic acid and derivative of fatty acid；It is described to have
Machine mutually can be directly as fuel oil；In the secondary water phase and the secondary solids handling process by be added alkaline solution into
Row neutralization reaction, recirculated water and paste sulphonated asphalt to be made respectively.
It below will the invention will be further described referring to specific embodiment:
Embodiment 1
50kg is added in acid sludge 900kg, alkaline residue 100kg, a kind of demulsifier, the sodium hydroxide that mass content is 45% is added
Solution and the pH value 9 for making remaining slag after neutralization reaction, by sedimentation separation.Wherein, the acid-soluble oil isolated is through lime dried bean noodles
Production 150kg antirust agent can be refined after dry concentration；The water phase activated decoloration isolated, filtering, into dry spray tower
90% finished product sulfuric acid sodium 500kg is concentrated to get after drying, for producing paper grade (stock) saltcake；The remaining slag isolated is in a kettle
Two class demulsifier 30kg are added, and the strength sulfuric acid solution that mass content is 98% is added and sufficiently acts under stiring, until neutralizing
The pH value of remaining slag is 5 after reaction, by further sedimentation separation.Wherein, the organic phase isolated can be used as fuel oil；
The water phase isolated is recyclable after the neutralization of carbonic acid argon sodium；After aqueous slkali neutralization reaction is added in the remaining slag isolated while hot
500kg paste sulphonated asphalt is made.Wherein, inorganic demulsifier accounts for the 60% of a kind of demulsifier total amount, and organic emulsion breaker accounts for one kind
The 40% of demulsifier total amount.The inorganic demulsifier be sodium chloride, sodium phosphate, carbonic acid argon sodium arbitrary proportion constitute Diversity
Object；The organic emulsion breaker is the multicomponent mixture that the arbitrary proportions such as hydramine, sulfonated oil, alkyd resin are constituted.Two class is broken
Emulsion is the multicomponent mixture of the arbitrary proportions such as polyethers, ethyl alcohol, stearic acid and derivative of fatty acid.
Embodiment 2
40kg is added in acid sludge 850kg, alkaline residue 150kg, a kind of demulsifier, the sodium hydroxide that mass content is 45% is added
Solution, and make the pH value 8.5 of remaining slag after neutralization reaction, by sedimentation separation.Wherein, the acid-soluble oil isolated is through pulverized limestone
Production 140kg antirust agent can be refined after dry concentration；The water phase activated decoloration isolated, filtering, into dry spraying
It is concentrated to get 85% finished product sulfuric acid sodium 450kg after tower is dry, for producing paper grade (stock) saltcake；The remaining slag isolated is in reaction kettle
Two class demulsifier 24kg of middle addition, and the strong acid solution that mass content is 98% is added and sufficiently acts under stiring, until neutralizing
The pH value of remaining slag is 5 after reaction, by further sedimentation separation.Wherein, the organic phase isolated can be used as fuel oil；
The sodium bicarbonate isolated is recyclable after neutralizing；The remaining slag isolated is made after aqueous slkali neutralization reaction is added while hot
550kg paste sulphonated asphalt.Wherein, inorganic demulsifier accounts for the 90% of a kind of demulsifier total amount, and organic emulsion breaker accounts for a kind of demulsification
The 10% of agent total amount.The inorganic demulsifier be sodium chloride, sodium phosphate, sodium bicarbonate arbitrary proportion constitute multicomponent mixture；
The organic emulsion breaker is the multicomponent mixture that the arbitrary proportions such as hydramine, sulfonated oil, alkyd resin are constituted.The two classes demulsifier
For the multicomponent mixture of the arbitrary proportions such as polyethers, ethyl alcohol and stearic acid and derivative of fatty acid.
Embodiment 3
35kg is added in acid sludge 800kg, alkaline residue 200kg, a kind of demulsifier, the sodium hydroxide that mass content is 40% is added
Solution and the pH value 8 for making remaining slag after neutralization reaction, by sedimentation separation.Wherein, the acid-soluble oil isolated is through lime dried bean noodles
Production 130kg antirust agent can be refined after dry concentration；The water phase activated decoloration isolated, filtering, into dry spray tower
85% finished product sulfuric acid sodium 450kg is concentrated to get after drying, for producing paper grade (stock) saltcake；The remaining slag isolated adds in reaction kettle
Enter two class demulsifier 24kg, and the strength sulfuric acid solution that mass content is 95% is added and sufficiently acts under stiring, until neutralizing anti-
The pH value of remaining slag is 5.5 after answering, by further sedimentation separation.Wherein, the organic phase isolated can be used as fuel oil；
The water phase isolated is recyclable after sodium bicarbonate neutralizes；After aqueous slkali neutralization reaction is added in the remaining slag isolated while hot
600kg paste sulphonated asphalt is made.Wherein, inorganic demulsifier accounts for the 80% of a kind of demulsifier total amount, and organic emulsion breaker accounts for one kind
The 20% of demulsifier total amount.The inorganic demulsifier be sodium chloride, sodium phosphate, sodium bicarbonate arbitrary proportion constitute Diversity
Object；The organic emulsion breaker is the multicomponent mixture that the arbitrary proportions such as hydramine, sulfonated oil, alkyd resin are constituted.Two class is broken
Emulsion is the multicomponent mixture of the arbitrary proportions such as polyethers, ethyl alcohol and stearic acid and derivative of fatty acid.
Embodiment 4
30kg is added in acid sludge 750kg, alkaline residue 250kg, a kind of demulsifier, the sodium hydroxide that mass content is 35% is added
Solution and the pH value 7.5 for making remaining slag after neutralization reaction, by sedimentation separation.Wherein, the acid-soluble oil isolated is through pulverized limestone
Production 120kg antirust agent can be refined after dry concentration；The water phase activated decoloration isolated, filtering, into dry spraying
It is concentrated to get 80% finished product sulfuric acid sodium 400kg after tower is dry, for producing paper grade (stock) saltcake；The remaining slag isolated is in reaction kettle
Two class demulsifier 12kg of middle addition, and the strength sulfuric acid solution that mass content is 95% is added and sufficiently acts under stiring, until in
PH value with slag remaining after reaction is 5.5, by further sedimentation separation.Wherein, the organic phase isolated can be used as combustion
Material oil, water phase is recyclable after sodium bicarbonate neutralizes, and 650kg cream is made after aqueous slkali neutralization reaction is added while hot in remaining slag
Shape sulfonated gilsonite.Wherein, inorganic demulsifier accounts for the 60%~90% of a kind of demulsifier total amount, and organic emulsion breaker accounts for a kind of demulsifier
The 10%~40% of total amount.The inorganic demulsifier be sodium chloride, sodium phosphate, sodium bicarbonate arbitrary proportion constitute Diversity
Object；The organic emulsion breaker is the multicomponent mixture that the arbitrary proportions such as hydramine, sulfonated oil, alkyd resin are constituted.Two classes
Demulsifier is the multicomponent mixture of the arbitrary proportions such as polyethers, ethyl alcohol and stearic acid and derivative of fatty acid.
Embodiment 5
20kg is added in acid sludge 700kg, alkaline residue 300kg, a kind of demulsifier, the sodium hydroxide that mass content is 30% is added
Solution and the pH value 7 for making remaining slag after neutralization reaction, by sedimentation separation.Wherein, the acid-soluble oil isolated is through lime dried bean noodles
Production 110kg antirust agent can be refined after dry concentration；The water phase activated decoloration that separates after separation, filtering are sprayed into dry
It is concentrated to get 75% finished product sulfuric acid sodium 350kg after mist tower is dry, for producing paper grade (stock) saltcake；The remaining slag isolated is reacting
Two class demulsifier 6kg are added in kettle, the strength sulfuric acid solution that mass content is 90% is added and sufficiently acts under stiring, until neutralizing
The pH value of remaining slag is 6 after reaction, by further sedimentation separation.Wherein, the organic phase isolated can be used as fuel oil；
The water phase separated after separation is recyclable after sodium bicarbonate neutralizes；The remaining slag isolated is added in aqueous slkali and anti-while hot
700kg paste sulphonated asphalt should be made afterwards.Wherein, inorganic demulsifier accounts for the 70% of a kind of demulsifier total amount, and organic emulsion breaker accounts for
The 30% of a kind of demulsifier total amount.The inorganic demulsifier be sodium chloride, sodium phosphate, sodium bicarbonate arbitrary proportion constitute it is polynary
Mixture；The organic emulsion breaker is the multicomponent mixture that the arbitrary proportions such as hydramine, sulfonated oil, alkyd resin are constituted.Described
Two class demulsifiers are the multicomponent mixture of the arbitrary proportions such as polyethers, ethyl alcohol and stearic acid and derivative of fatty acid.
Embodiment 6
10kg is added in acid sludge 650kg, alkaline residue 350kg, a kind of demulsifier, the sodium hydroxide that mass content is 30% is added
Solution and the pH value 7 for making remaining slag after neutralization reaction, by sedimentation separation.Wherein, the acid-soluble oil isolated is through lime dried bean noodles
Production 100kg antirust agent can be refined after dry concentration；The water phase activated decoloration isolated, filtering, into dry spray tower
70% finished product sulfuric acid sodium 300kg is concentrated to get after drying, for producing paper grade (stock) saltcake；The remaining slag isolated is in a kettle
Two class demulsifier 6kg are added, and the strength sulfuric acid solution that mass content is 90% is added and sufficiently acts under stiring, until neutralizing anti-
The pH value of remaining slag is 6 after answering, by further sedimentation separation.Wherein, the organic phase isolated can be used as fuel oil；Point
The water phase separated out is recyclable after sodium bicarbonate neutralizes；The remaining slag isolated is made after aqueous slkali neutralization reaction is added while hot
Obtain 750kg paste sulphonated asphalt.Wherein, inorganic demulsifier accounts for the 75% of a kind of demulsifier total amount, and organic emulsion breaker accounts for a kind of broken
The 25% of emulsion total amount.The inorganic demulsifier be sodium chloride, sodium phosphate, sodium bicarbonate arbitrary proportion constitute Diversity
Object；The organic emulsion breaker is the multicomponent mixture that the arbitrary proportions such as hydramine, sulfonated oil, alkyd resin are constituted.Two classes
Demulsifier is the multicomponent mixture of the arbitrary proportions such as polyethers, ethyl alcohol and stearic acid and derivative of fatty acid.
Embodiment 7
50kg is added in acid sludge 850kg, alkaline residue 150kg, a kind of demulsifier, the sodium hydroxide that mass content is 45% is added
Solution, and make the pH value 7 of remaining slag after neutralization reaction, by sedimentation separation.Wherein, the acid-soluble oil isolated is through lime dried bean noodles
Production 150kg antirust agent can be refined after dry concentration；The water phase activated decoloration isolated, filtering, into dry spray tower
90% finished product sulfuric acid sodium 500kg is concentrated to get after drying, for producing paper grade (stock) saltcake；The remaining slag isolated is in a kettle
Two class demulsifier 30kg are added, and the strength sulfuric acid solution that mass content is 98% is added and sufficiently acts under stiring, until neutralizing
The pH value of remaining slag is 5.5 after reaction, by further sedimentation separation.Wherein, the organic phase isolated can be used as fuel
Oil；The water phase isolated is recyclable after sodium bicarbonate neutralizes；The remaining slag isolated is added in aqueous slkali and anti-while hot
500kg paste sulphonated asphalt should be made afterwards.Wherein, inorganic demulsifier accounts for the 65% of a kind of demulsifier total amount, and organic emulsion breaker accounts for
The 35% of a kind of demulsifier total amount.The inorganic demulsifier be sodium chloride, sodium phosphate, sodium bicarbonate arbitrary proportion constitute it is polynary
Mixture；The organic emulsion breaker is the multicomponent mixture that the arbitrary proportions such as hydramine, sulfonated oil, alkyd resin are constituted.Described
Two class demulsifiers are the multicomponent mixture of the arbitrary proportions such as polyethers, ethyl alcohol and stearic acid and derivative of fatty acid.
Obviously it can be concluded that, the comprehensive processing technique of refining slag provided by the invention passes through the waste residue generated to oil refining
It is pre-processed, primary settling separation and secondary sedimentation separation, and the substance in each phase generated to separation carries out list respectively
It stays alone reason, but to form it into his substance, the recycling of petroleum waste residue is realized, and then efficiently solve petroleum acids
Slag, alkaline residue comprehensive utilization and transport difficult, and pollute environment, endanger the problem of surrounding farmland, water body.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of comprehensive processing technique of refining slag, which comprises the steps of:
Pretreatment: pretreated acid residuals of petroleum, alkaline residue and a kind of demulsifier are directly added into reaction kettle, and predetermined amount is added
Aqueous slkali carries out neutralization reaction, to form neutralization solution；
Primary settling separation: the pH value for neutralizing solution is adjusted to 7-9, settlement action is carried out later, so that the neutralization is molten
Liquid is separated into acid-soluble oil phase, primary water phase and primary solid phase, and is respectively converted the acid-soluble oil isolated by presetting method
It is concentrated and primary stage solids sodium sulphate is made at antirust agent, primary water phase；
Secondary sedimentation shunts: be added in the residue in the primary solid-phase layer two class demulsifiers and with the acid solution shape of predetermined amount
It at mixed solution, is settled again later, so that the mixed solution is separated into organic phase, secondary water phase and secondary admittedly
Phase, and after the secondary water phase and the secondary solid phase being handled by presetting method be made recirculated water and paste sulphur respectively
Change pitch.
2. the comprehensive processing technique of refining slag according to claim 1, which is characterized in that wrapped in one kind demulsifier
It includes: 60% inorganic demulsifier and 40% organic emulsion breaker.
3. the comprehensive processing technique of refining slag according to claim 2, which is characterized in that the inorganic demulsifier is by chlorine
Change sodium, sodium phosphate and carbonic acid argon sodium and mix mixture, the organic emulsion breaker is by hydramine, sulfonated oil and alkyd resin
It mixes.
4. the comprehensive processing technique of refining slag according to claim 1, which is characterized in that the acid-soluble oil is converted into preventing
Concentration is dried in the pulverized limestone that predetermined amount need to be added in rust agent.
5. the comprehensive processing technique of refining slag according to claim 1, which is characterized in that the solid sodium sulfate is being made
Taking needs in the process by the primary water mutually successively by decoloration, filtering, drying process and concentration.
6. the comprehensive processing technique of refining slag according to claim 1, which is characterized in that the solid sodium sulfate can
For producing the saltcake of paper grade (stock).
7. the comprehensive processing technique of refining slag according to claim 5, which is characterized in that the primary water phase decoloration
The decolorising agent used in the process is active white soil.
8. the comprehensive processing technique of refining slag according to claim 1, which is characterized in that the two classes demulsifier is by gathering
Ether, ethyl alcohol, stearic acid and derivative of fatty acid are mixed to prepare.
9. the comprehensive processing technique of refining slag according to claim 1, which is characterized in that the organic phase can be direct
As fuel oil.
10. the comprehensive processing technique of refining slag according to claim 1, which is characterized in that the secondary water phase and institute
It states in secondary solids handling process and carries out neutralization reaction by the way that alkaline solution is added, recirculated water and paste sulfonation drip to be made respectively
It is green.
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| CN111548823A (en) * | 2020-05-14 | 2020-08-18 | 湖北本心环保科技股份有限公司 | Coking wax oil denitrification treatment process |
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| CN101323458A (en) * | 2008-06-03 | 2008-12-17 | 南京师范大学 | Method for comprehensively processing petroleum acid slag and alkaline residue |
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| CN1087666A (en) * | 1992-12-02 | 1994-06-08 | 中国石油化工总公司石油化工科学研究院 | Method for treating acid residuals of petroleum |
| CN101323458A (en) * | 2008-06-03 | 2008-12-17 | 南京师范大学 | Method for comprehensively processing petroleum acid slag and alkaline residue |
| CN104415963A (en) * | 2013-08-28 | 2015-03-18 | 宝山钢铁股份有限公司 | Combined treatment method for acid sludge and desulfurization ash |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548823A (en) * | 2020-05-14 | 2020-08-18 | 湖北本心环保科技股份有限公司 | Coking wax oil denitrification treatment process |
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