CN1724421A - A kind of method of separating treatment oily sludge - Google Patents
A kind of method of separating treatment oily sludge Download PDFInfo
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- CN1724421A CN1724421A CN 200410021519 CN200410021519A CN1724421A CN 1724421 A CN1724421 A CN 1724421A CN 200410021519 CN200410021519 CN 200410021519 CN 200410021519 A CN200410021519 A CN 200410021519A CN 1724421 A CN1724421 A CN 1724421A
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Abstract
The present invention relates to industrial waste and handle, specifically a kind of method of separating treatment oily sludge adds entry, greasy filth and separating agent in container, after 70～95 ℃ of abundant stirrings, leaves standstill, and forms oil, water, mud three-phase, according to a conventional method they is separated; The weight ratio of greasy filth and water is 1: 2～1: 3, and the add-on of separating agent is 0.8%～1% of a greasy filth weight, and described separating agent is made up of sulphuric acid soln and emulsion splitter, percentage composition meter by weight, wherein sulfur acid 20～80%, emulsion splitter 0.5～1.5%, and all the other are water.Use high-efficiency oil sludge separating agent and relevant air flotation technology, so that most of sandstone, earth in the oily sludge are separated from oil, form oil, water, mud three-phase, the oil that is reclaimed can be sold to oil recovery company, but oily(waste)water reuse after further handling, oleaginousness can satisfy the requirement of backfill soil less than 3% in the body refuse, thereby the nothing that realizes oily sludge is dyed recycling.
Description
Technical field
The present invention relates to industrial waste and handle, the method (composite technology) of oily sludge is handled in specifically a kind of separation (use isolation technique).
Background technology
Produce a large amount of well sites in the oil recovery production process and land greasy filth and tank bottom oil sludge, both caused the crude oil loss, contaminate environment again, the annual very big pollution damages of payment amount that needs increases the oil-field development cost.The processing of oily sludge is the difficult problem of puzzlement oil exploration industry, and this difficult problem is the key subjects that all oil fields are concerned about.
Because the composition of greasy filth is very complicated, oil-contg is 10%～30%, moisture content 10%～30%, and earth content 30%～60% also contains the various tensio-active agents that add in brick, stone, branch and the Oil extraction process in addition.Because the oily sludge complicated component, earth also has certain absorption property, is difficult to it and oil content are separated fully with common chemistry and physical method.
Handle the method for oily sludge at present both at home and abroad, biological treatment, physics (machinery) facture and method of chemical treatment are arranged usually, the biological treatment treatment time is long, and the oil in the oily sludge can not get recycling, and that the key step of physics and method of chemical treatment has is concentrated, dehydration, drying and burning etc., not only handles the energy consumption height, burns the discharging gas contaminate environment that produces, and oil products are wasted in a large number, can not obtain effective recycling.
United States Patent (USP) 4990237 has been introduced the method that adopts normal pressure or little negative pressure that greasy filth is handled, and by low temperature and two evaporator sections of high temperature, oil content in the greasy filth is all evaporated.This technical process and equipment complexity, energy consumption is big, is difficult for adopting.
Summary of the invention
The object of the present invention is to provide a kind of time short, treatment effect good, the method for the separating treatment oily sludge of the recyclable utilization of oil product.
For achieving the above object, the technical solution used in the present invention is:
A kind of method of separating treatment oily sludge adds entry, greasy filth and separating agent in container (as: treater), after 70～95 ℃ of abundant stirrings, leave standstill, and forms oil, water, mud three-phase, according to a conventional method they is separated; The weight ratio of greasy filth and water is 1: 2～1: 3, and the add-on of separating agent is 0.8%～1% of a greasy filth weight, and described separating agent is made up of sulphuric acid soln and emulsion splitter, percentage composition meter by weight, wherein sulfur acid 20～80%, emulsion splitter 0.5～1.5%, and all the other are water;
Described emulsion splitter can be sodium sulfate, sodium laurylsulfonate, Sodium dodecylbenzene sulfonate, trichloromethane, volatile salt and/or bicarbonate of ammonia;
The sulfuric acid percentage composition is preferably 40～60% in the described separating agent, and the percentage composition of emulsion splitter sodium sulfate is preferably 0.75～1.00%.
In container, add entry earlier, heat up after 70～95 ℃, add greasy filth, separating agent again, fully stir (referring to that liquid phase and solid phase are evenly distributed in system) after, leave standstill, form oil, water, mud three-phase, according to a conventional method with they separation, good separating effect.
When separating, in container, add entry and greasy filth earlier, temperature rises to 70 ℃ earlier, adds separating agent again, leaves standstill after being warming up to 95 ℃ of stirrings, forms oil, water, mud three-phase, and with they separation, treatment effect is good in the time of 95 ℃ according to a conventional method.
The present invention has following advantage:
1. treatment effect is good.The inventive method can effectively be handled a large amount of well sites that produce in the oil recovery process and land greasy filth and tank bottom oil sludge; Experimental result shows that this technology can be separated sandstone, earth from oil, forms oil, water, mud three-phase, and oil is recyclable; Oily(waste)water can be recycled after further handling; In the body refuse after treatment, oleaginousness can satisfy the requirement of backfill soil less than 3%, thereby the nothing that realizes oily sludge is dyed recycling.
2. the time is short, expense is low.The greasy filth separating agent that the inventive method is used is easy to obtain, and adds simply, and working cost is low relatively, and actual application value is arranged.
3. the recyclable utilization of oil product.The invention provides a kind of appropriate means and technological process, oily sludge is effectively handled.Use high-efficiency oil sludge separating agent and relevant air flotation technology, so that most of sandstone, earth in the oily sludge are separated, form oil, water, mud three-phase from oil, the oil that is reclaimed can be sold to oil recovery company, but oily(waste)water reuse after further handling.
Embodiment
Embodiment 1
Separating agent A preparation
Get the 40 gram vitriol oils, join in the 59 gram water, add sodium sulfate 1 gram again, make separating agent A.Sulfuric acid content is 40% among the separating agent A, and sodium sulphate content is 1%, and all the other are water.
Embodiment 2
Separating agent B preparation
With the sodium sulfate among Sodium dodecylbenzene sulfonate and the volatile salt replacement embodiment 1, make separating agent B.Sodium dodecylbenzene sulfonate content is 0.75% among the separating agent B, and volatile salt content is 0.25%, and all the other are water.
Embodiment 3
Centrifugal treating
Add 100ml water and 0.5ml separating agent A in 50g greasy filth, back centrifugal (2500 rev/mins) 30 minutes stirs.After centrifugal, the upper strata is floating one deck oil, but also contains more oil content in lower floor's mud, and effect is not very desirable.Handle once more, oil reservoir reduces, but also has oil content in the mud.
Embodiment 4
Differing temps separating effect I
Add 100ml water and 0.5ml separating agent A in 50g greasy filth, carry out separating treatment under condition of different temperatures, effect sees Table 1.
Separating effect under table 1. condition of different temperatures
| Temperature | 50 ℃ | 60 ℃ | 70 ℃ | 80 ℃ | 90 ℃ | 95 ℃ |
| Treatment effect | Contain more oil content in the mud layer. | Contain more oil content in the mud layer. | Contain oil content in the mud layer. | Contain oil content in the mud layer. | Greasy filth is divided into three layers, and boundary is more clear. | Greasy filth is divided into three layers, and boundary is more clear. |
Behind the heat temperature raising to 95 ℃, greasy filth is divided into three layers, and the upper strata is floating, and one deck oil, middle level are arranged is water, and lower floor is a mud layer, and boundary is more clear, and oil-containing seldom in the mud layer.When temperature is low, also contain more oil content in lower floor's mud; 80 ℃, in the time of 90 ℃, three stratum boundaries limit is also more clear, but contains a small amount of oil in the mud layer.
Embodiment 5
Heating and separating is handled II
Add 100ml water in the beaker, heat temperature raising to 70 ℃ adds 50g greasy filth again, stirs, and adds 0.5ml separating agent A after being warming up to 95 ℃, leaves standstill.Greasy filth also is divided into three layers, and the upper strata is floating, and one deck oil, middle level are arranged is water, and lower floor is a mud layer, and every interlayer boundary is very clear, and oleaginousness is considerably less in the mud layer.
Embodiment 6
Heating and separating is handled III
Use separating agent B, all the other are with embodiment 5.After the reaction, the treatment effect no significant difference, just oil is accelerated with the mud velocity of separation, has only 1 minute, and embodiment 5 is need clock more than two minutes then.
Embodiment 7
The different proportioning treatment effects of greasy filth with water
Learn from above-mentioned experimental result, in sepn process, add entry earlier, be heated to 70 ℃ earlier after, add greasy filth again, stir, be warming up to and add separating agent (greasy filth weight 1%) after 95 ℃, treatment effect is good, separates thoroughly.
Use the separating agent A (its usage quantity is 1% of greasy filth weight) of same amount embodiment 1 preparation, handle the greasy filth of equivalent, change the ratio of greasy filth and water, experimental result sees Table 2.
The experimental result of the different ratios of table 2. greasy filth and water
| Greasy filth: water | 1∶1 | ?1∶2 | ?1∶3 | ?1∶4 |
| Experiment effect | It is unintelligible that oil reservoir and water separate with mud, and the phenomenon of mixing is arranged | Three layers are separated very clearly | Three layers are separated very clearly | Three layers are separated not really clearly |
Know that from experimental result greasy filth/water was at 1: 2～1: 3 o'clock, treatment effect is better, and oily many viscosity are big, and separating effect is bad, and water is many, and drug concentration is also not all right inadequately.
Embodiment 8
Different concns separating agent treatment effect
Use the separating agent A (its usage quantity is 1% of greasy filth weight) of embodiment 1 preparation, sodium sulfate concentration is constant, changes the sulfuric acid consumption, and greasy filth: water=1: 2, result sees Table 3.
Table 3. contains different concns vitriolic separating agent treatment effect
| Sulfuric acid concentration | 20％ | 40％ | 60％ | 80％ |
| Treatment effect | Oil reservoir and water sepn are not too clear, and oleaginousness is more in the mud layer | Three layers are separated very clearly, and oleaginousness seldom in the mud layer | Three layers are separated very clearly, and oleaginousness seldom in the mud layer | Three layers are separated very clearly, and oleaginousness seldom in the mud layer |
Greasy filth after treatment is divided into three layers.
From result, sulfuric acid concentration is low, weak effect, and many cost height, better 40%～60%.
Use the separating agent A (its usage quantity is 1% of greasy filth weight) of embodiment 1 preparation, greasy filth: water=1: 2, sulfuric acid concentration is constant, changes the sodium sulfate consumption, and result sees Table 4.
Table 4. contains the separating agent treatment effect of different concns sodium sulfate
| Sodium sulfate concentration | 0.5％ | 0.75％ | 1.00％ | 1.5％ |
| Treatment effect | Oil reservoir and water sepn are not too clear, and oleaginousness is more in the mud layer | Three layers are separated very clearly, and oleaginousness seldom in the mud layer | Three layers are separated very clearly, and oleaginousness seldom in the mud layer | Three layers are separated not really clearly, and oleaginousness is more in the mud layer |
Greasy filth after treatment is divided into three layers.
From experimental result, the sodium sulfate amount is few, and treatment effect is not tame good, and the many also influences of amount are handled, between 0.75%～1.00% for well.
Embodiment 9
The treatment effect of separating agent different amounts
Use the separating agent A of embodiment 1 preparation, add the separating agent of different amounts, greasy filth: water=1: 2, result sees Table 5.
The treatment effect of table 5. separating agent different amounts
| The separating agent consumption | 0.6％ | 0.8％ | 1％ | 1.2％ |
| Treatment effect | Oil reservoir and water sepn are not too clear, and oleaginousness is more in the mud layer | Three layers are separated more clearly, and oleaginousness is less in the mud layer | Three layers are separated very clearly, and oleaginousness seldom in the mud layer | Three layers are separated very clearly, and oleaginousness seldom in the mud layer |
Greasy filth after treatment is divided into three layers.
From result, the separating agent consumption is few, weak effect, and many cost height, better 0.8%～1%.
In the production application process: greasy filth enters treater, sieves and washes separation to enter roto-sifter after the crusher in crushing, and the solid refuse of telling is used as sorting process; The oil that floats up is scraped into water-and-oil separator with Oil scraper; Greasy filth that sinks and water break into slurries with agitator and extract out with slush pump, send into the greasy filth treater, in the greasy filth treater, add medicament and carry out the separation of stirring heating desorption, oil on floating is scraped into water-and-oil separator with Oil scraper, bottom is extracted out with slush pump and is delivered to the greasy filth polisher, add medicament, stirring heating, further separate, oil on floating blows into water-and-oil separator, bottom is extracted out with slush pump and is sent pulp water separator (two-stage) to, quiescent settling separates within it, and the oil that floats up is scraped into water-and-oil separator, and bottom is transported outward after draining into dried slag bath filtration, branch water airing.
From the oil-water mixture that each treater scrapes, settlement separate in the water-and-oil separator heating, the oil of telling blows into oil reservoir with Oil scraper, and the water of telling advances tank through being heated to about 90 degree, delivers to the greasy filth garbage disposer with the pump extraction and recycles.
Claims (5)
1. the method for a separating treatment oily sludge is characterized in that: add entry, greasy filth and separating agent in container, after 70～95 ℃ of abundant stirrings, leave standstill, form oil, water, mud three-phase, according to a conventional method they are separated; The weight ratio of greasy filth and water is 1: 2～1: 3, and the add-on of separating agent is 0.8%～1% of a greasy filth weight, and described separating agent is made up of sulphuric acid soln and emulsion splitter, percentage composition meter by weight, wherein sulfur acid 20～80%, emulsion splitter 0.5～1.5%, and all the other are water.
2. method according to claim 1 is characterized in that: described emulsion splitter is sodium sulfate, sodium laurylsulfonate, Sodium dodecylbenzene sulfonate, trichloromethane, volatile salt and/or bicarbonate of ammonia.
3. method according to claim 1 and 2 is characterized in that: the sulfuric acid percentage composition is 40～60% in the described separating agent, and the percentage composition of emulsion splitter sodium sulfate is 0.75～1.00%.
4. method according to claim 1 is characterized in that: add entry earlier in container, heat up after 70～95 ℃, add greasy filth and separating agent again, after fully stirring, leave standstill, form oil, water, mud three-phase, according to a conventional method with they separation.
5. according to claim 1 or 4 described methods, it is characterized in that: when separating, in container, add entry and greasy filth earlier, temperature rises to 70 ℃ earlier, adds separating agent again, leaves standstill after being warming up to 95 ℃ of stirrings, form oil, water, mud three-phase, according to a conventional method they are separated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100215194A CN100355677C (en) | 2004-07-21 | 2004-07-21 | Process for separating treating mud containing oil |
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| CNB2004100215194A CN100355677C (en) | 2004-07-21 | 2004-07-21 | Process for separating treating mud containing oil |
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| CN1724421A true CN1724421A (en) | 2006-01-25 |
| CN100355677C CN100355677C (en) | 2007-12-19 |
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| CNB2004100215194A Expired - Fee Related CN100355677C (en) | 2004-07-21 | 2004-07-21 | Process for separating treating mud containing oil |
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| CN100362074C (en) * | 2006-08-11 | 2008-01-16 | 韩东 | Decomposition agent for extracting fuel oil from dirty oil mud |
| CN101186401B (en) * | 2007-12-18 | 2010-06-02 | 黄大军 | Oil mud harmless treatment and resource reclamation method |
| CN102039301A (en) * | 2010-09-30 | 2011-05-04 | 昆明理工大学 | Oily sludge recycling and innocent comprehensive treatment process |
| CN101144024B (en) * | 2007-08-27 | 2011-06-08 | 刘关生 | Method for separating petroleum from petroleum sludge |
| CN101250420B (en) * | 2008-02-26 | 2012-07-18 | 里群 | Method and system for processing oil-containing sludge |
| CN102872614A (en) * | 2012-09-19 | 2013-01-16 | 驻马店市源益能源有限公司 | Petrochemical engineering waste separating processing method |
| CN103113009A (en) * | 2013-02-26 | 2013-05-22 | 中国石油大学(华东) | Recycled oily sludge recovery treatment washing liquid and treatment method |
| CN103112976A (en) * | 2013-02-05 | 2013-05-22 | 杭州广联新能源科技有限公司 | Method for applying waste water of viscous oil after treated to low-pressure steam boilers |
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| CN103601265A (en) * | 2013-11-28 | 2014-02-26 | 天津清正然化工科技有限公司 | Waste oil sludge separating agent and preparation method thereof |
| CN103803764A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Oily sludge demulsifier and preparation method thereof |
| CN104263405A (en) * | 2014-09-30 | 2015-01-07 | 曾繁宝 | Demulsifier for decomposing petroleum-based oil slurry and using method of demulsifier |
| CN104649563A (en) * | 2013-11-25 | 2015-05-27 | 中国石油化工股份有限公司 | Oily sludge advanced treatment technology |
| CN105198180A (en) * | 2015-02-20 | 2015-12-30 | 新疆科力新技术发展有限公司 | Improved water washing treating-agent and method for realizing standard oily sludge treatment in oil field by employing same |
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| CN110240465A (en) * | 2019-06-24 | 2019-09-17 | 北京正菱环保科技发展有限公司 | A kind of waste oil mud environment protection treating method for discarding |
| CN110436743A (en) * | 2019-07-31 | 2019-11-12 | 克拉玛依市博瑞科技发展有限公司 | Oily sludge integration controlling device and oily sludge integration administering method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100362074C (en) * | 2006-08-11 | 2008-01-16 | 韩东 | Decomposition agent for extracting fuel oil from dirty oil mud |
| CN101144024B (en) * | 2007-08-27 | 2011-06-08 | 刘关生 | Method for separating petroleum from petroleum sludge |
| CN101186401B (en) * | 2007-12-18 | 2010-06-02 | 黄大军 | Oil mud harmless treatment and resource reclamation method |
| CN101250420B (en) * | 2008-02-26 | 2012-07-18 | 里群 | Method and system for processing oil-containing sludge |
| CN102039301B (en) * | 2010-09-30 | 2013-04-10 | 昆明理工大学 | Oily sludge resource-innocent comprehensive treatment process |
| CN102039301A (en) * | 2010-09-30 | 2011-05-04 | 昆明理工大学 | Oily sludge recycling and innocent comprehensive treatment process |
| CN102872614A (en) * | 2012-09-19 | 2013-01-16 | 驻马店市源益能源有限公司 | Petrochemical engineering waste separating processing method |
| CN103803764A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Oily sludge demulsifier and preparation method thereof |
| CN103112976A (en) * | 2013-02-05 | 2013-05-22 | 杭州广联新能源科技有限公司 | Method for applying waste water of viscous oil after treated to low-pressure steam boilers |
| CN103113009A (en) * | 2013-02-26 | 2013-05-22 | 中国石油大学(华东) | Recycled oily sludge recovery treatment washing liquid and treatment method |
| CN103480639A (en) * | 2013-08-23 | 2014-01-01 | 中国石油化工集团公司 | Composite solidifying and stabilizing treatment method of oil-based drill cutting |
| CN103480639B (en) * | 2013-08-23 | 2017-05-17 | 中国石油化工集团公司 | Composite solidifying and stabilizing treatment method of oil-based drill cutting |
| CN104649563A (en) * | 2013-11-25 | 2015-05-27 | 中国石油化工股份有限公司 | Oily sludge advanced treatment technology |
| CN103601265A (en) * | 2013-11-28 | 2014-02-26 | 天津清正然化工科技有限公司 | Waste oil sludge separating agent and preparation method thereof |
| CN105236644A (en) * | 2014-07-10 | 2016-01-13 | 新疆科力新技术发展有限公司 | Fast oil-water separation method for produced fluid of ultra-thick crude oil |
| CN104263405A (en) * | 2014-09-30 | 2015-01-07 | 曾繁宝 | Demulsifier for decomposing petroleum-based oil slurry and using method of demulsifier |
| CN105198180A (en) * | 2015-02-20 | 2015-12-30 | 新疆科力新技术发展有限公司 | Improved water washing treating-agent and method for realizing standard oily sludge treatment in oil field by employing same |
| CN107188342A (en) * | 2017-07-25 | 2017-09-22 | 云南大地绿坤环保科技有限公司 | A kind of method of petrochemical industry greasy filth water mixed liquid quick separating |
| CN109848172A (en) * | 2018-12-26 | 2019-06-07 | 安徽万纬工程管理有限责任公司 | A kind of petrochemical industry refuse processing method |
| CN110240465A (en) * | 2019-06-24 | 2019-09-17 | 北京正菱环保科技发展有限公司 | A kind of waste oil mud environment protection treating method for discarding |
| CN110436743A (en) * | 2019-07-31 | 2019-11-12 | 克拉玛依市博瑞科技发展有限公司 | Oily sludge integration controlling device and oily sludge integration administering method |
| CN111747622A (en) * | 2020-05-29 | 2020-10-09 | 新疆博云时代环保科技有限公司 | Method for efficiently treating oil stains |
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