CN107050916A - A kind of extractant and its methods and applications that discarded object is handled based on extractant - Google Patents
A kind of extractant and its methods and applications that discarded object is handled based on extractant Download PDFInfo
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- CN107050916A CN107050916A CN201710180716.8A CN201710180716A CN107050916A CN 107050916 A CN107050916 A CN 107050916A CN 201710180716 A CN201710180716 A CN 201710180716A CN 107050916 A CN107050916 A CN 107050916A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
-
- 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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The methods and applications of discarded object are handled the invention provides a kind of extractant and its based on extractant, extractant is prepared from by halogenated hydrocarbon and alkanes.The present invention is will to mix extractant and oily waste；Then by centrifuging solid liquid phase；The solid phase of separation is poured into and heating, drying is carried out in distilling apparatus, reclaims water and extractant in solid phase；The liquid phase of separation is poured into distilling apparatus, recycle-water, oils and extractant；It is narrow that the present invention solves oily waste treatment technology application in the prior art, high energy consumption, complex process, cost is high, easily cause secondary pollution problems, the oily sludge that is produced in oilfield exploitation and transport can be handled again with the oil-based drill cuttings that are produced in drilling process can be handled, and can realize that oil and extractant are recycled and reused, and technological process is simpler, extraction efficiency is high, it is suitable for focusing on, innoxious, recycling, the advantages of not causing secondary pollution can be achieved.
Description
Technical field
The invention belongs to oily waste treatment technical field, and in particular to a kind of extractant and its useless based on extractant processing
The methods and applications of gurry.
Background technology
The oily waste in oil field mainly includes oil-contained drilling cuttings and oily sludge, is respectively from oil gas drilling, exploitation, fortune
The link such as defeated.Continuing to increase for dynamics, oil base drilling fluid skill are developed now with unconventional energy resource such as global shale gas, tight gas
The application of art is also more and more universal, and substantial amounts of oil-contained drilling cuttings can be produced in drilling process, and on the other hand, oil is carried from stratum
To ground, oily sludge can also be produced by settling in all kinds of containers, tank and in the facility such as pipeline.If these discarded objects cannot be closed
Suitable processing, different degrees of influence and injury will be caused to operating area and surrounding environment.
At present for oily waste mainly using Thermal desorption method, chemical cleaning method and supercritical extraction etc..But pyrolysis
The power consumption of analysis method is high, and equipment flowsheet is complicated, and processing cost is high；Chemical cleaning method displacement efficiency is low, need to introduce water, be unfavorable for the later stage
Processing and discharge, easily cause secondary pollution；Supercritical extraction is high to equipment requirement, and operating cost is high, is unfavorable for popularization and application.
The content of the invention
The purpose of the present invention is to overcome in the prior art that oily waste treatment technology application is narrow, high energy consumption, technique
Complexity, cost is high, easily causes secondary pollution problems.
Therefore, the invention provides a kind of extractant, being made up of the component of following mass parts：
Halogenated hydrocarbon, 55~75 parts；
Alkanes, 25~45 parts.
The halogenated hydrocarbon is one kind in trichloro ethylene, tetrachloro-ethylene, 1,1,1- trichloroethanes.
The alkanes are normal heptane or normal octane.
Described halogenated hydrocarbon is tetrachloro-ethylene, and alkanes are normal heptanes.
A kind of method that discarded object is handled based on extractant, is comprised the following steps：
(1) oily waste is collected, and by extractant and oily waste (1~3) in mass ratio：(1~2) is mixed
Close stirring, 5~30min of mixing time, 60~400rpm of mixing speed；
(2) mixture is put into whizzer and carries out Solid-Liquid Separation, 5~10min of centrifugation time, centrifugal speed 1500
~3000rpm；
(3) solid phase for isolating step (2), which is poured into distilling apparatus, is dried, and drying temperature is less than 140 DEG C, is dried
The water and extractant in solid phase are reclaimed after dry；
(4) liquid phase for isolating step (2), which is poured into distilling apparatus, is distilled, and vapo(u)rizing temperature is less than 140 DEG C, is steamed
After the completion of evaporating, recycle-water, oils and extractant.
A kind of application for the method that discarded object is handled based on extractant, the method for handling discarded object based on extractant should
The oily sludge produced in the oil-based drill cuttings produced for handling in drilling process, and processing oilfield exploitation or transport.
Beneficial effects of the present invention：This extractant and its discarded object is handled based on extractant that the present invention is provided
Methods and applications, it is narrow to solve oily waste treatment technology application in the prior art, high energy consumption, complex process, cost
Height, easily causes secondary pollution problems, and the method that the present invention is provided can handle the oil-based drill cuttings produced in drilling process energy again
The oily sludge produced in processing oilfield exploitation and transport, and can realize that oil and extractant are recycled and reused, technique stream
Journey is simpler, and extraction efficiency is high, is suitable for focusing on, and innoxious, recycling, the advantages of not causing secondary pollution can be achieved.
Embodiment
The invention provides a kind of extractant, it is made up of the component of following mass parts：
Halogenated hydrocarbon, 55~75 parts；
Alkanes, 25~45 parts.
The halogenated hydrocarbon is one kind in trichloro ethylene, tetrachloro-ethylene, 1,1,1- trichloroethanes.
The alkanes are normal heptane or normal octane.
Described halogenated hydrocarbon is tetrachloro-ethylene, and alkanes are normal heptanes.
A kind of method that discarded object is handled based on extractant, is comprised the following steps：
(1) oily waste is collected, and by extractant and oily waste (1~3) in mass ratio：(1~2) is mixed
Close stirring, 5~30min of mixing time, 60~400rpm of mixing speed；
(2) mixture is put into whizzer and carries out Solid-Liquid Separation, 5~10min of centrifugation time, centrifugal speed 1500
~3000rpm；
(3) solid phase isolated by step (2) is poured into distilling apparatus and dried, drying temperature is less than 140 DEG C,
The water and extractant in solid phase are reclaimed after drying；
(4) liquid phase isolated by step (2) is poured into distilling apparatus and distilled, vapo(u)rizing temperature is less than 140 DEG C,
After the completion of distillation, recycle-water, oils and extractant.
A kind of application for the method that discarded object is handled based on extractant, the method for handling discarded object based on extractant should
The oily sludge produced in the oil-based drill cuttings produced for handling in drilling process, and processing oilfield exploitation or transport.
It should be noted that the preparation of extractant is to mix halogenated hydrocarbon and alkanes according to proportioning.
Embodiment 1：
A kind of extractant is present embodiments provided, is made up of the component of following mass parts：
60 parts of trichloro ethylene, 40 parts of normal heptane.
The method that oily waste is handled based on the extractant, is completed according to following steps：Weighed respectively according to proportioning
Trichloro ethylene and normal heptane, prepare 100g extractants, then weigh certain oil field oil-containing drilling cuttings (oil content 8.27%, moisture content
0.51%) 200g is mixed with extractant, mixing time 15min, mixing speed 200rpm；Separated using whizzer
Solid liquid phase, centrifugal speed 1500rpm, centrifugation time 10min；Solid phase is poured into heating, drying is carried out in distilling apparatus, drying temperature
Not higher than 140 DEG C of degree, reclaims the water and extractant in solid phase；Liquid phase is poured into distilling apparatus, vapo(u)rizing temperature is not higher than 140
DEG C, recycle-water, oils and extractant.
Embodiment 2：
A kind of extractant is present embodiments provided, is made up of the component of following mass parts：
55 parts of trichloro ethylene, 45 parts of normal octane.
The method that oily waste is handled based on the extractant, is completed according to following steps：Weighed respectively according to proportioning
Trichloro ethylene and normal octane, prepare 100g extractants, then weigh certain oil field oil-containing drilling cuttings (oil content 15.82%, moisture content
1.36%) 95g is mixed with extractant, mixing time 10min, mixing speed 300rpm；Separated using whizzer
Solid liquid phase, centrifugal speed 2000rpm, centrifugation time 8min；Solid phase is poured into heating, drying, drying temperature are carried out in distilling apparatus
Not higher than 140 DEG C, reclaim the water and extractant in solid phase；Liquid phase is poured into distilling apparatus, vapo(u)rizing temperature is not higher than 140
DEG C, recycle-water, oils and extractant.
Embodiment 3：
A kind of extractant is present embodiments provided, is made up of the component of following mass parts：
70 parts of tetrachloro-ethylene, 30 parts of normal heptane.
The method that oily waste is handled based on the extractant, is completed according to following steps：Weighed respectively according to proportioning
Tetrachloro-ethylene and normal heptane, prepare 100g extractants, then weigh certain oil field oil-containing drilling cuttings (oil content 25.74%, moisture content
3.15%) 60g is mixed with extractant, mixing time 15min, mixing speed 100rpm；Separated using whizzer
Solid liquid phase, centrifugal speed 3000rpm, centrifugation time 5min；Solid phase is poured into heating, drying, drying temperature are carried out in distilling apparatus
Not higher than 140 DEG C, reclaim the water and extractant in solid phase；Liquid phase is poured into distilling apparatus, vapo(u)rizing temperature is not higher than 140
DEG C, recycle-water, oils and extractant.
Embodiment 4：
A kind of extractant is present embodiments provided, is made up of the component of following mass parts：
65 parts of tetrachloro-ethylene, 35 parts of normal octane.
The method that oily waste is handled based on the extractant, is completed according to following steps：Weighed respectively according to proportioning
Tetrachloro-ethylene and normal octane, prepare 100g extractants, then weigh certain Sludge in Oilfields (oil content 22.63%, moisture content
58.32%) 65g is mixed with extractant, mixing time 30min, mixing speed 60rpm；Separated using whizzer
Solid liquid phase, centrifugal speed 2500rpm, centrifugation time 8min；Solid phase is poured into heating, drying, drying temperature are carried out in distilling apparatus
Not higher than 140 DEG C, reclaim the water and extractant in solid phase；Liquid phase is poured into distilling apparatus, vapo(u)rizing temperature is not higher than 140
DEG C, recycle-water, oils and extractant.
Embodiment 5：
A kind of extractant is present embodiments provided, is made up of the component of following mass parts：
1,1,1- 75 parts of trichloroethanes, 25 parts of normal heptane.
The method that oily waste is handled based on the extractant, is completed according to following steps：Weighed respectively according to proportioning
1,1,1- trichloroethanes and normal heptane, prepare 100g extractants, then weigh certain Sludge in Oilfields (oil content 31.74%,
Moisture content 25.13%) 50g and extractant mix, mixing time 20min, mixing speed 100rpm；Using centrifugation
Device separates solid liquid phase, centrifugal speed 2000rpm, centrifugation time 10min；Solid phase is poured into heating, drying is carried out in distilling apparatus,
Drying temperature is not higher than 140 DEG C, reclaims water and extractant in solid phase；Liquid phase is poured into distilling apparatus, vapo(u)rizing temperature is not
Higher than 140 DEG C, recycle-water, oils and extractant.
Embodiment 6：
A kind of extractant is present embodiments provided, is made up of the component of following mass parts：
1,1,1- 70 parts of trichloroethanes, 30 parts of normal octane.
The method that oily waste is handled based on the extractant, is completed according to following steps：Weighed respectively according to proportioning
1,1,1- trichloroethanes and normal octane, prepare 100g extractants, then weigh certain Sludge in Oilfields (oil content 48.44%,
Moisture content 13.87%) 35g and extractant mix, mixing time 25min, mixing speed 150rpm；Using centrifugation
Device separates solid liquid phase, centrifugal speed 1500rpm, centrifugation time 10min；Solid phase is poured into heating, drying is carried out in distilling apparatus,
Drying temperature is not higher than 140 DEG C, reclaims water and extractant in solid phase；Liquid phase is poured into distilling apparatus, vapo(u)rizing temperature is not
Higher than 140 DEG C, recycle-water, oils and extractant.
Embodiment 7：
A kind of extractant is present embodiments provided, is made up of the component of following mass parts：
72 parts of tetrachloro-ethylene, 30 parts of normal octane.
The method that oily waste is handled based on the extractant, is completed according to following steps：Weighed respectively according to proportioning
Tetrachloro-ethylene and normal octane, prepare 105g extractants, then weigh certain Sludge in Oilfields (oil content 48.72%, moisture content
13.90%) 35g is mixed with extractant, mixing time 30min, mixing speed 300rpm；Separated using whizzer
Solid liquid phase, centrifugal speed 2000rpm, centrifugation time 10min；Solid phase is poured into heating, drying is carried out in distilling apparatus, drying temperature
Not higher than 140 DEG C of degree, reclaims the water and extractant in solid phase；Liquid phase is poured into distilling apparatus, vapo(u)rizing temperature is not higher than 140
DEG C, recycle-water, oils and extractant.
Embodiment 8：
The present embodiment has made following performance test to embodiment 1~7, specific as follows：
Test 1：The effect of extracting that extractant is repeatedly recycled and reused.
Extractant is when by being repeated several times extraction, distillation, and extractant is shown in Table 1 to the effect of extracting of oily waste.
Each embodiment residue oil content contrast table of table 1
Analyzed from table 1, each multiple effect of extracting of embodiment extractant is all relatively good, reusable, and place
Manage that scope is wide, can handle the oil-based drill cuttings produced in drilling process can handle again produced in oilfield exploitation and transport containing greasy dirt
Mud, the residue oil content after processing is below 1%.
Test 2：Recovery rate of extraction solvent.
Extractant is when by being repeated several times extraction, distillation, and its solvent recovering rate is shown in Table 2.
Table 2：Each embodiment solvent recovering rate contrast table
Analyzed from table 2, the rate of recovery of this extractant is up to more than 94%, the extractant of recovery in each embodiment
Recycled for multiple times can be achieved；Extractant and oils good separating effect, the oils of recovery can be used for preparing oil base drilling fluid or
Carry out refinery.
Test 3：The oils of recovery prepares oil base drilling fluid.
Oil prepares oil base drilling fluid based on the oils reclaimed in the present embodiment 1~3.Oil base drilling fluid formula is as follows：
Base oil and 20%CaCl2The mass percent ratio 80 of salt solution:20,2.5% emulsification of the gross weight ratio of base oil and salt solution
+ 0.5% tackifier of organoclay of+1.8% calcium hydroxide of+3.0% fluid loss additive of the wetting agent of agent+2.0%+2.0%+blanc fixe,
Drilling fluid density 2.0g/cm3.After 150 DEG C × 16h of drilling fluid heat rollings, oily drilling well fluidity based on white oil and oil recovery is determined
Can, it the results are shown in Table 3.
The oil base drilling fluid performance of table 3
| Base oil | PV/mPa.s | YP/Pa | FLHTHP/ml | ES/v |
| White oil | 28 | 9 | 4.2 | 1160 |
| Oil recovery in embodiment 1 | 30 | 10 | 4.0 | 1280 |
| Oil recovery in embodiment 2 | 32 | 10 | 3.8 | 1420 |
| Oil recovery in embodiment 3 | 29 | 9 | 4.2 | 1030 |
As known from Table 3, the plastic viscosity (PV) for the oil base drilling fluid that oil is prepared, electrical stability based on oil recovery
(ES), rheological property (yield value YP) and high temperature and high pre ssure filtration (FLHTHP) show that oil recovery can without occurring big change
Based on oil prepare oil base drilling fluid, realize the secondary utilization of resource, neither produce secondary pollution, again have good warp
Ji benefit.
It is exemplified as above be only to the present invention for example, do not constitute the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.The portion that the present embodiment is not described in detail
Part and structure belong to the well-known components and common structure or conventional means of the industry, do not describe one by one here.
Claims (6)
1. a kind of extractant, it is characterised in that be made up of the component of following mass parts：
Halogenated hydrocarbon, 55~75 parts；
Alkanes, 25~45 parts.
2. extractant as claimed in claim 1, it is characterised in that：The halogenated hydrocarbon be trichloro ethylene, tetrachloro-ethylene, 1,
One kind in 1,1- trichloroethanes.
3. extractant as claimed in claim 1, it is characterised in that：The alkanes are normal heptane or normal octane.
4. extractant as claimed in claim 1, it is characterised in that：Described halogenated hydrocarbon is tetrachloro-ethylene, and alkanes are
Normal heptane.
5. a kind of method that discarded object is handled based on extractant, it is characterised in that comprise the following steps：
（1）Oily waste is collected, and by extractant and oily waste in mass ratio（1~3）：（1~2）Mixing is carried out to stir
Mix, 5~30min of mixing time, 60~400rpm of mixing speed；
（2）By mixture be put into whizzer carry out Solid-Liquid Separation, 5~10min of centrifugation time, centrifugal speed 1500~
3000rpm；
（3）By step（2）The solid phase isolated, which is poured into distilling apparatus, is dried, and drying temperature is less than 140 DEG C, after drying
Reclaim the water and extractant in solid phase；
（4）By step（2）The liquid phase isolated, which is poured into distilling apparatus, is distilled, and vapo(u)rizing temperature is less than 140 DEG C, has been distilled
Cheng Hou, recycle-water, oils and extractant.
6. a kind of application for the method that discarded object is handled based on extractant, it is characterised in that discarded based on extractant processing
The method of thing is applied to the oil-based drill cuttings produced in processing drilling process, and the oil-containing produced in processing oilfield exploitation or transport
Sludge.
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| CN201710180716.8A CN107050916A (en) | 2017-03-24 | 2017-03-24 | A kind of extractant and its methods and applications that discarded object is handled based on extractant |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327282A (en) * | 2017-08-21 | 2017-11-07 | 沧州市华油飞达固控设备有限公司 | The processing method and its device of a kind of rejected well drilling liquid |
| CN107337336A (en) * | 2017-08-21 | 2017-11-10 | 沧州市华油飞达固控设备有限公司 | A kind of solid-liquid mixture processing method and its device |
| CN110903008A (en) * | 2019-12-16 | 2020-03-24 | 湖北中油科昊机械制造有限公司 | Treatment method of oil-based mud |
| CN111636833A (en) * | 2019-03-01 | 2020-09-08 | 中国石油天然气集团有限公司 | Oil-removing treatment device and method for oil-based drilling cuttings |
| CN113046111A (en) * | 2021-03-25 | 2021-06-29 | 成都得道实业有限公司 | Leaching agent for diesel oil-based or/and white oil-based oil-containing drilling cuttings, and preparation method and application thereof |
| CN113663359A (en) * | 2021-07-23 | 2021-11-19 | 西南石油大学 | Green solvent for extracting oil in oil-containing drilling cuttings and extraction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327282A (en) * | 2017-08-21 | 2017-11-07 | 沧州市华油飞达固控设备有限公司 | The processing method and its device of a kind of rejected well drilling liquid |
| CN107337336A (en) * | 2017-08-21 | 2017-11-10 | 沧州市华油飞达固控设备有限公司 | A kind of solid-liquid mixture processing method and its device |
| CN111636833A (en) * | 2019-03-01 | 2020-09-08 | 中国石油天然气集团有限公司 | Oil-removing treatment device and method for oil-based drilling cuttings |
| CN110903008A (en) * | 2019-12-16 | 2020-03-24 | 湖北中油科昊机械制造有限公司 | Treatment method of oil-based mud |
| CN113046111A (en) * | 2021-03-25 | 2021-06-29 | 成都得道实业有限公司 | Leaching agent for diesel oil-based or/and white oil-based oil-containing drilling cuttings, and preparation method and application thereof |
| CN113663359A (en) * | 2021-07-23 | 2021-11-19 | 西南石油大学 | Green solvent for extracting oil in oil-containing drilling cuttings and extraction method |
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Application publication date: 20170818 |