CN109574423A - A kind of high-efficiency oil sludge demulsifier and preparation method thereof - Google Patents

A kind of high-efficiency oil sludge demulsifier and preparation method thereof Download PDF

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Publication number
CN109574423A
CN109574423A CN201811385407.5A CN201811385407A CN109574423A CN 109574423 A CN109574423 A CN 109574423A CN 201811385407 A CN201811385407 A CN 201811385407A CN 109574423 A CN109574423 A CN 109574423A
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CN
China
Prior art keywords
demulsifier
oil sludge
efficiency oil
spare
liquid
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Pending
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CN201811385407.5A
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Chinese (zh)
Inventor
胡丽娇
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Sub-Model Co Ltd Of Chongqing Otto
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Sub-Model Co Ltd Of Chongqing Otto
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Priority to CN201811385407.5A priority Critical patent/CN109574423A/en
Publication of CN109574423A publication Critical patent/CN109574423A/en
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • 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

Abstract

The invention belongs to greasy filth demulsifier technical fields, and in particular to a kind of high-efficiency oil sludge demulsifier and preparation method thereof.Work of the present invention has opened a kind of high-efficiency oil sludge demulsifier, its component includes nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyether silicon, alkyl alcohol ether carboxylate, alkyl polyglycoside, methyl glucamine, polyoxyethylene oleic acid ester, inorganic salts, Green Additives and water, each component according to mass fraction percentage proportion are as follows: nonylphenol polyoxyethylene ether 10%~20%；Fatty alcohol polyoxyethylene ether 5%~10%；Polyether silicon 10%~20%；Alkyl alcohol ether carboxylate 5%~15%；Alkyl polyglycoside 3%~5%；Methyl glucamine 1%~3%；Polyoxyethylene oleic acid ester 5%~10%；Inorganic salts 1%~5%；Green Additives 1%~2%；Water 30%~50%.

Description

A kind of high-efficiency oil sludge demulsifier and preparation method thereof
Technical field
The invention belongs to greasy filth demulsifier technical fields, and in particular to a kind of high-efficiency oil sludge demulsifier and preparation method thereof.
Background technique
In the exploitation of petroleum, collect the black solid that a large amount of oil-containings can be generated during defeated, refining and oily waste water treatment, half Solid waste is referred to as greasy filth, its main component is oil, Ni Heshui.Solid particle size can be from insufficient micron in greasy filth To several inches, most of between l to 100 microns, oily composition depends on crude oil type, oil plant structure and operating condition, The composition of sludge may change over time and change.According to statistics, nearly 3,000,000 tons of Chinese festiva oil-producing mud, wherein the crude oil money contained Source is about 600,000 tons or so.In greasy filth in addition to containing a large amount of aged crude oil, wax, colloidal substance, contain a large amount of benzene homologues, phenol The poisonous and harmful substances such as class, anthracene, pyrene, Polychlorinated biphenyls and dioxin.Furthermore also contain a large amount of pathogen, helminth in greasy filth, Such as without rationally effective processing, petroleum resources can be not only wasted, also environment can be caused seriously to pollute.
The technology of processing oily sludge mainly has resource reclaim, harmless treatment and comprehensive utilization technique etc. at present.Resource Recovery processing technology includes solvent extraction, WATER-WASHING METHOD, micro emulsion washing, demulsification method etc..Greasy filth innoxious process for treating includes solid Determining processing, the technologies such as biological treatment, burning.Comprehensive utilization technique includes thermal decomposition, brickmaking is paved the way and other purposes.Greasy filth Processing technique it is varied, every kind of method has respective advantage and disadvantage and the scope of application.
The advantages that active high, quick due to chemical demulsifier, adding demulsifier is most common demulsification side Method.Currently used demulsifier is primarily present the disadvantages of oil recovery rate is low, and biological degradability is poor.
Summary of the invention
Aiming at the problem that above-mentioned background technique is proposed, the purpose of the present invention is: it is intended to provide a kind of high-efficiency oil sludge demulsification Agent and preparation method thereof.
To realize the above-mentioned technical purpose, The technical solution adopted by the invention is as follows:
A kind of high-efficiency oil sludge demulsifier, component include nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, siloxanes Polyethers, alkyl alcohol ether carboxylate, alkyl polyglycoside, methyl glucamine, polyoxyethylene oleic acid ester, inorganic salts, Green Additives And water, each component according to mass fraction percentage proportion are as follows:
Wherein the sum of each component content is 100%.
Send out preferred embodiment a kind of as the present invention, each component according to mass fraction percentage proportion are as follows:
Send out preferred embodiment a kind of as the present invention, each component according to mass fraction percentage proportion are as follows: nonyl phenol Polyoxyethylene ether 15%, fatty alcohol polyoxyethylene ether 7%, polyether silicon 15%, alkyl alcohol ether carboxylate 10%, alkyl polysaccharide Glycosides 4%, methyl glucamine 2%, polyoxyethylene oleic acid ester 7%, inorganic salts 3%, Green Additives 2%, water 35%.
Send out preferred embodiment a kind of as the present invention, the Green Additives be sodium citrate, enuatrol, sodium gluconate one Kind is a variety of.
Send out preferred embodiment a kind of as the present invention, the inorganic salts are sodium chloride, potassium chloride, sodium nitrate, potassium nitrate, chlorination Calcium, sodium sulphate or potassium sulfate it is one or more.
Send out preferred embodiment a kind of as the present invention, the structural formula of the alkyl polyglycoside is (C6H11O6)nR, wherein R is C8 The alkyl of~C16, n=1~5.
Send out preferred embodiment a kind of as the present invention, the nonylphenol polyoxyethylene ether is in NP-2, NP-6, NP-10 It is one or more of.
It sends out preferred embodiment a kind of as the present invention, is additionally added type oxide film corrosion inhibiter, deposition film in the greasy filth demulsifier One or more of type corrosion inhibiter or adsorbed film type corrosion inhibiter, additional amount account for the 0.1%~1% of greasy filth demulsifier weight.
A kind of preparation method of high-efficiency oil sludge demulsifier, comprising the following steps:
Step 1: nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyether silicon, alkane are weighed by mass fraction Then base alcohol ether carboxylate and water mixing are uniformly mixed after adjusting pH value, obtain spare just liquid after standing 2h~4h；
Step 2: alkyl polyglycoside, methyl glucamine, polyoxyethylene oleic acid ester are added to step by mass fraction In one spare just liquid, after adjusting pH value, 30min~60min is stirred, spare middle liquid is obtained.
Step 3: inorganic salts and Green Additives are added in spare middle liquid, stir 1h~2h, and greasy filth demulsification can be obtained Agent.
Send out preferred embodiment a kind of as the present invention, comprising the following steps: described Step 1: the pH value in step 2 is 5 ~7.
The present invention hair the utility model has the advantages that
1, nonylphenol polyoxyethylene ether can have good basis dehydration to conventional crude Produced Liquid in demulsifier composition Effect, and polyether silicon may be implemented to be demulsified under 25~30 DEG C of low temperature condition, and additive amount is than being used alone polyethers table Face activating agent reduces 50% or more, and rate of water loss is fast, and demulsification is good, and overall cost reduces；
2, use nonionic green surfactant alkyl alcohol ether carboxylate for primary surfactant in demulsifier of the present invention, Compounding is with nonionic surfactant fatty alcohol polyoxyethylene ether, then assists Green Additives, and demulsification is good；
3, demulsifier biological degradability of the present invention is good, and the influence to environment is small, environmentally protective；
4, the production cost of demulsifier of the present invention is low, and preparation method is easy, applied widely, is easy to industrial application；
5, the rate of recovery that the present invention obtains the final oil after demulsifier reaches 95% or more.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, following example is to technical solution of the present invention It further illustrates.
Embodiment one
Step 1: nonylphenol polyoxyethylene ether 15%, fatty alcohol polyoxyethylene ether 7%, siloxanes are weighed by mass fraction Polyethers 15%, alkyl alcohol ether carboxylate 10% and water 35% mix, and after adjusting pH value, are then uniformly mixed, after standing 2h~4h Obtain spare just liquid；
Step 2: alkyl polyglycoside 4%, methyl glucamine 2%, polyoxyethylene oleic acid ester 7% are pressed into mass fraction It is added in the spare just liquid of step 1, after adjusting pH value, stirs 30min~60min, obtain spare middle liquid.
Step 3: inorganic salts 3% and Green Additives 2% are added in spare middle liquid, stir 1h~2h, oil can be obtained Mud demulsifier one.
Embodiment two
Step 1: nonylphenol polyoxyethylene ether 10%, fatty alcohol polyoxyethylene ether 7%, siloxanes are weighed by mass fraction Polyethers 20%, alkyl alcohol ether carboxylate 10% and water 35% mix, and after adjusting pH value, are then uniformly mixed, after standing 2h~4h Obtain spare just liquid；
Step 2: alkyl polyglycoside 4%, methyl glucamine 2%, polyoxyethylene oleic acid ester 7% are pressed into mass fraction It is added in the spare just liquid of step 1, after adjusting pH value, stirs 30min~60min, obtain spare middle liquid.
Step 3: inorganic salts 3% and Green Additives 2% are added in spare middle liquid, stir 1h~2h, oil can be obtained Mud demulsifier two.
Embodiment three
Step 1: nonylphenol polyoxyethylene ether 20%, fatty alcohol polyoxyethylene ether 7%, siloxanes are weighed by mass fraction Polyethers 10%, alkyl alcohol ether carboxylate 10% and water 35% mix, and after adjusting pH value, are then uniformly mixed, after standing 2h~4h Obtain spare just liquid；
Step 2: alkyl polyglycoside 4%, methyl glucamine 2%, polyoxyethylene oleic acid ester 7% are pressed into mass fraction It is added in the spare just liquid of step 1, after adjusting pH value, stirs 30min~60min, obtain spare middle liquid.
Step 3: inorganic salts 3% and Green Additives 2% are added in spare middle liquid, stir 1h~2h, oil can be obtained Mud demulsifier three.
Example IV
Step 1: nonylphenol polyoxyethylene ether 15%, fatty alcohol polyoxyethylene ether 10%, siloxanes are weighed by mass fraction Polyethers 15%, alkyl alcohol ether carboxylate 7% and water 35% mix, and after adjusting pH value, are then uniformly mixed, and obtain after standing 2h~4h To spare just liquid；
Step 2: alkyl polyglycoside 4%, methyl glucamine 2%, polyoxyethylene oleic acid ester 7% are pressed into mass fraction It is added in the spare just liquid of step 1, after adjusting pH value, stirs 30min~60min, obtain spare middle liquid.
Step 3: inorganic salts 3% and Green Additives 2% are added in spare middle liquid, stir 1h~2h, oil can be obtained Mud demulsifier four.
Embodiment five
Step 1: nonylphenol polyoxyethylene ether 15%, fatty alcohol polyoxyethylene ether 8%, siloxanes are weighed by mass fraction Polyethers 15%, alkyl alcohol ether carboxylate 10% and water 35% mix, and after adjusting pH value, are then uniformly mixed, after standing 2h~4h Obtain spare just liquid；
Step 2: alkyl polyglycoside 3%, methyl glucamine 2%, polyoxyethylene oleic acid ester 7% are pressed into mass fraction It is added in the spare just liquid of step 1, after adjusting pH value, stirs 30min~60min, obtain spare middle liquid.
Step 3: inorganic salts 4% and Green Additives 1% are added in spare middle liquid, stir 1h~2h, oil can be obtained Mud demulsifier five.
Embodiment six
Step 1: nonylphenol polyoxyethylene ether 10%, fatty alcohol polyoxyethylene ether 7%, siloxanes are weighed by mass fraction Polyethers 15%, alkyl alcohol ether carboxylate 10% and water 40% mix, and after adjusting pH value, are then uniformly mixed, after standing 2h~4h Obtain spare just liquid；
Step 2: alkyl polyglycoside 5%, methyl glucamine 1%, polyoxyethylene oleic acid ester 7% are pressed into mass fraction It is added in the spare just liquid of step 1, after adjusting pH value, stirs 30min~60min, obtain spare middle liquid.
Step 3: inorganic salts 3% and Green Additives 2% are added in spare middle liquid, stir 1h~2h, oil can be obtained Mud demulsifier six.
Embodiment seven
Step 1: nonylphenol polyoxyethylene ether 15%, fatty alcohol polyoxyethylene ether 7%, siloxanes are weighed by mass fraction Polyethers 10%, alkyl alcohol ether carboxylate 10% and water 40% mix, and after adjusting pH value, are then uniformly mixed, after standing 2h~4h Obtain spare just liquid；
Step 2: alkyl polyglycoside 3%, methyl glucamine 3%, polyoxyethylene oleic acid ester 7% are pressed into mass fraction It is added in the spare just liquid of step 1, after adjusting pH value, stirs 30min~60min, obtain spare middle liquid.
Step 3: inorganic salts 3% and Green Additives 2% are added in spare middle liquid, stir 1h~2h, oil can be obtained Mud demulsifier seven.
Embodiment eight
Step 1: nonylphenol polyoxyethylene ether 10%, fatty alcohol polyoxyethylene ether 7%, siloxanes are weighed by mass fraction Polyethers 10%, alkyl alcohol ether carboxylate 5% and water 50% mix, and after adjusting pH value, are then uniformly mixed, and obtain after standing 2h~4h To spare just liquid；
Step 2: alkyl polyglycoside 4%, methyl glucamine 2%, polyoxyethylene oleic acid ester 7% are pressed into mass fraction It is added in the spare just liquid of step 1, after adjusting pH value, stirs 30min~60min, obtain spare middle liquid.
Step 3: inorganic salts 3% and Green Additives 2% are added in spare middle liquid, stir 1h~2h, oil can be obtained Mud demulsifier eight.
Embodiment nine
Step 1: nonylphenol polyoxyethylene ether 18%, fatty alcohol polyoxyethylene ether 9%, siloxanes are weighed by mass fraction Polyethers 15%, alkyl alcohol ether carboxylate 10% and water 30% mix, and after adjusting pH value, are then uniformly mixed, after standing 2h~4h Obtain spare just liquid；
Step 2: alkyl polyglycoside 4%, methyl glucamine 2%, polyoxyethylene oleic acid ester 7% are pressed into mass fraction It is added in the spare just liquid of step 1, after adjusting pH value, stirs 30min~60min, obtain spare middle liquid.
Step 3: inorganic salts 3% and Green Additives 2% are added in spare middle liquid, stir 1h~2h, oil can be obtained Mud demulsifier nine.
The demulsifier that acquired embodiment one is obtained to embodiment nine is compared with the product bought on existing market, Obtain table 1；
Table 1
Emulsifier The rate of recovery of oil
Purchase 1 87.3%
Purchase 2 93.5%
Purchase 3 88.5%
Greasy filth demulsifier one 98.1%
Greasy filth demulsifier two 97.3%
Greasy filth demulsifier three 97.5%
Greasy filth demulsifier four 97.1%
Greasy filth demulsifier five 96.8%
Greasy filth demulsifier six 96.5%
Greasy filth demulsifier seven 96.6%
Greasy filth demulsifier eight 97.8%
Greasy filth demulsifier nine 95.9%
According to table 1 as can be seen that demulsifier produced by the invention make oil the rate of recovery reach higher, can achieve 95% with On.
Above-described embodiment is merely exemplary to illustrate the principle of the present invention and its effect, and is not intended to limit the present invention.It is any ripe The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause This, all those of ordinary skill in the art are completed without departing from the spirit and technical ideas disclosed in the present invention All equivalent modifications or change, should be covered by the claims of the present invention.

Claims (10)

1. a kind of high-efficiency oil sludge demulsifier, it is characterised in that: its component includes nonylphenol polyoxyethylene ether, aliphatic alcohol polyethenoxy Ether, polyether silicon, alkyl alcohol ether carboxylate, alkyl polyglycoside, methyl glucamine, polyoxyethylene oleic acid ester, inorganic salts, Green Additives and water, each component according to mass fraction percentage proportion are as follows:
Wherein the sum of each component content is 100%.
2. a kind of high-efficiency oil sludge demulsifier according to claim 1, it is characterised in that: each component is according to mass fraction The proportion of percentage are as follows:
3. a kind of high-efficiency oil sludge demulsifier according to claim 2, it is characterised in that: each component is according to mass fraction The proportion of percentage are as follows: nonylphenol polyoxyethylene ether 15%, fatty alcohol polyoxyethylene ether 7%, polyether silicon 15%, alkylol Ether carboxylate 10%, alkyl polyglycoside 4%, methyl glucamine 2%, polyoxyethylene oleic acid ester 7%, inorganic salts 3%, green Auxiliary agent 2%, water 35%.
4. a kind of high-efficiency oil sludge demulsifier according to claim 1, it is characterised in that: the Green Additives are citric acid Sodium, enuatrol, sodium gluconate it is one or more.
5. a kind of high-efficiency oil sludge demulsifier according to claim 1, it is characterised in that: the inorganic salts are sodium chloride, chlorine Change the one or more of potassium, sodium nitrate, potassium nitrate, calcium chloride, sodium sulphate or potassium sulfate.
6. a kind of high-efficiency oil sludge demulsifier according to claim 1, it is characterised in that: the structural formula of the alkyl polyglycoside For (C6H11O6)nR, wherein R is the alkyl of C8~C16, n=1~5.
7. a kind of high-efficiency oil sludge demulsifier according to claim 1, it is characterised in that: the nonylphenol polyoxyethylene ether For one or more of NP-2, NP-6, NP-10.
8. a kind of high-efficiency oil sludge demulsifier described in any one according to claim 1~7, it is characterised in that: the greasy filth is broken It is additionally added type oxide film corrosion inhibiter, deposition one or more of membranous type corrosion inhibiter or adsorbed film type corrosion inhibiter in emulsion, adds Enter amount accounts for greasy filth demulsifier weight 0.1%~1%.
9. a kind of preparation method of high-efficiency oil sludge demulsifier as described in claim 1, it is characterised in that: the following steps are included:
Step 1: nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyether silicon, alkylol are weighed by mass fraction Then ether carboxylate and water mixing are uniformly mixed after adjusting pH value, obtain spare just liquid after standing 2h~4h；
Step 2: alkyl polyglycoside, methyl glucamine, polyoxyethylene oleic acid ester are added to step 1 by mass fraction In spare just liquid, after adjusting pH value, 30min~60min is stirred, spare middle liquid is obtained.
Step 3: inorganic salts and Green Additives are added in spare middle liquid, stir 1h~2h, greasy filth demulsifier can be obtained.
10. a kind of preparation method of high-efficiency oil sludge demulsifier as claimed in claim 9, it is characterised in that: the following steps are included: institute It states Step 1: the pH value in step 2 is 5~7.
CN201811385407.5A 2018-11-20 2018-11-20 A kind of high-efficiency oil sludge demulsifier and preparation method thereof Pending CN109574423A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111518633A (en) * 2020-05-22 2020-08-11 四川君和环保股份有限公司 Oil sludge cleaning agent and preparation method thereof
CN112250141A (en) * 2020-12-21 2021-01-22 胜利油田盛嘉化工有限责任公司 Reverse demulsifier for treating crude oil produced water and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN103803765A (en) * 2012-11-07 2014-05-21 中国石油化工股份有限公司 Oil sludge demulsifier and preparation method thereof
CN104556624A (en) * 2013-10-22 2015-04-29 中国石油化工股份有限公司 Oil sludge demulsifier and oil sludge advanced treatment process
CN104556626A (en) * 2013-10-22 2015-04-29 中国石油化工股份有限公司 Oil sludge demulsifier and oil sludge resourceful treatment process
CN104556594A (en) * 2013-10-22 2015-04-29 中国石油化工股份有限公司 Low-temperature oily sludge demulsifier and preparation method thereof
CN108003917A (en) * 2016-10-28 2018-05-08 中国石油化工股份有限公司 A kind of low temperature crude oil demulsifier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103803765A (en) * 2012-11-07 2014-05-21 中国石油化工股份有限公司 Oil sludge demulsifier and preparation method thereof
CN104556624A (en) * 2013-10-22 2015-04-29 中国石油化工股份有限公司 Oil sludge demulsifier and oil sludge advanced treatment process
CN104556626A (en) * 2013-10-22 2015-04-29 中国石油化工股份有限公司 Oil sludge demulsifier and oil sludge resourceful treatment process
CN104556594A (en) * 2013-10-22 2015-04-29 中国石油化工股份有限公司 Low-temperature oily sludge demulsifier and preparation method thereof
CN108003917A (en) * 2016-10-28 2018-05-08 中国石油化工股份有限公司 A kind of low temperature crude oil demulsifier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111518633A (en) * 2020-05-22 2020-08-11 四川君和环保股份有限公司 Oil sludge cleaning agent and preparation method thereof
CN112250141A (en) * 2020-12-21 2021-01-22 胜利油田盛嘉化工有限责任公司 Reverse demulsifier for treating crude oil produced water and preparation method thereof
CN112250141B (en) * 2020-12-21 2021-09-24 山东东方盛嘉石油科技有限责任公司 Reverse demulsifier for treating crude oil produced water and preparation method thereof

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