CN109761460B - Oil stain preparation for treating oil sludge, preparation method and use method - Google Patents
Oil stain preparation for treating oil sludge, preparation method and use method Download PDFInfo
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Abstract
The invention relates to the technical field of oil sludge treatment, and discloses an oil stain preparation for treating oil sludge, a preparation method and a use method thereof, wherein the oil stain preparation comprises the following raw materials in parts by weight: 5.27-6.27 parts of oil sludge dispersant, 2-3 parts of condensation assistant and 2.26-3.39 parts of H2O22.5-4 parts of TiO2(ii) a The oil sludge dispersant consists of 1-2 parts of sodium pyrophosphate, 1-2 parts of sodium metasilicate, 1-1.5 parts of sodium dodecyl benzene sulfonate and 1.27 parts of polyethylene glycol; the coagulation aid consists of 0.5-1 part of alum, 0.5-1 part of ferric trichloride and 0.5-1 part of ferrous sulfate. The invention solves the technical problem that the dirty oil, the sludge and the sewage in the oil sludge can not be effectively separated.
Description
Technical Field
The invention relates to the technical field of oil sludge treatment, in particular to an oil stain preparation for treating oil sludge, a preparation method and a use method.
Background
During the oil exploitation and processing, a large amount of waste oil-containing sludge is generated. The oily sludge of the oil field mainly comprises oil sludge falling to the ground, sludge in a settling tank, sediment at the bottom of a structure of a sewage treatment plant, oil sludge in a three-phase separator and oil-spilling sludge generated in production accidents. With the increase of petroleum exploration, development and production activities, the total amount of the produced oil-containing sludge is continuously increased, and the pollution to the environment is gradually serious.
The invention patent with the granted publication number of CN102807305B discloses a biological agent for treating oily sludge and a using method thereof, wherein the biological agent comprises the following components in percentage by weight: soybean meal: 13 to 14.5 percent; and (3) Chinese honeylocust fruit powder: 3.5 to 4.0 percent; coconut powder: 0.25 to 0.5 percent; wheat bran: 22.5 to 23.5 percent; kiln dust potash fertilizer: 15 to 15.5 percent; disodium hydrogen phosphate: 3.5 to 3.75 percent; ammonium chloride: 1.75-2.0%; magnesium sulfate: 0.5-0.75%; ferrous sulfate: 1.0-1.25%; the rest is yeast powder; after the oily sludge is treated by the biological agent for treating the oily sludge, the concentration of the crude oil in the oily sludge is reduced from 100g/kg to below 5.8g/kg, and the treated oily sludge recovers the soil performance and can be used for planting crops and flowers.
The invention patent with the publication number of CN104310734B discloses an oily sludge treatment agent and a preparation method and a use method thereof, wherein the oily sludge treatment agent comprises the following components in percentage by mass: 2.5-10.0 wt% of surfactant, 0.25-2.0 wt% of biological enzyme, 0.05-0.2 wt% of calcium chloride, 5-10 wt% of propylene glycol and the balance of water; the oil sludge treatment agent has good demulsification effect and can effectively reduce the content of oil sludge at room temperatureThe oil-water interfacial tension reaches 102mN/N。
The invention patent with the publication number of CN102674648B discloses a medicament for treating oily sludge and a treatment method, wherein the medicament for treating the oily sludge comprises the following components in percentage by weight: CDKT-004 organic compound fertilizer: 67-72 percent; potassium dihydrogen phosphate: 7.5 to 8.0 percent; mung bean flour: 11.25 to 11.5 percent; potassium sulfate: 3.25 to 3.5 percent; urea: 1.5 to 1.75 percent; iturin a: 0.45 to 0.50 percent; vitamin A: 0.15-0.16%; the balance of light calcium carbonate; the agent for treating the oily sludge is used for treating the oily sludge, the concentration of crude oil in soil is reduced from 100g/kg to below 10g/kg, the treated oily sludge can be used for planting crops and flowers, the environmental pollution is reduced, and the environment acceptable state is achieved.
However, none of the above patent inventions provides a solution for effectively separating the dirty oil, sludge and sewage in the oily sludge.
The invention provides an oil stain preparation for treating oil sludge, a preparation method and a use method, and aims to solve the technical problem that the oil stain, the sludge and the sewage in the oil sludge cannot be effectively separated.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an oil stain preparation for treating oil sludge, a preparation method and a use method thereof, and solves the technical problem that the oil stain, the sludge and the sewage in the oil sludge can not be effectively separated.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
an oil stain preparation for treating oil sludge comprises the following raw materials in parts by weight: 5.27-6.27 parts of oil sludge dispersant, 2-3 parts of condensation assistant and 2.26-3.39 parts of H2O22.5-4 parts of TiO2；
The oil sludge dispersant consists of 1-2 parts of sodium pyrophosphate, 1-2 parts of sodium metasilicate, 1-1.5 parts of sodium dodecyl benzene sulfonate and 1.27 parts of polyethylene glycol;
the coagulation aid consists of 0.5-1 part of alum, 0.5-1 part of ferric trichloride and 0.5-1 part of ferrous sulfate.
Preferably, the oil-water retention agent comprises the following raw materials, by weight, 6.27g of oil sludge dispersant, 3g of coagulation aid and 3m L H2O2、2.5gTiO2；
The oil sludge dispersant consists of 2g of sodium pyrophosphate, 1.5g of sodium metasilicate, 1.5g of sodium dodecyl benzene sulfonate and 1m of L polyethylene glycol;
the coagulation aid consists of 1g of alum, 1g of ferric trichloride and 1g of ferrous sulfate.
Preferably, the TiO is2The average particle size is less than or equal to 50 nm.
A preparation method of an oil stain preparation for treating oil sludge comprises the following steps:
s1, preparing a coagulation auxiliary agent for later use;
s2, preparing an oil sludge dispersant for later use;
s3, measuring H2O2And is ready for use;
s4, weighing TiO2And is ready for use;
s5, heating tap water to 45-60 ℃, adding the coagulation aid in the step S1 and the oil sludge dispersant in the step S2 while stirring in a constant-temperature water bath at 45-60 ℃, then continuing stirring for 10-20min, naturally cooling to room temperature, and adding H in the step S32O2TiO in step S42And stirring and mixing uniformly to prepare the oil stain preparation.
The use method of the oil stain preparation for treating the oil sludge comprises the following steps:
s1, weighing 100g of oil sludge for later use; wherein the crude oil accounts for 50 percent by mass, the water accounts for 25 percent by mass, and the silt accounts for 25 percent by mass;
s2, adding the prepared oil stain preparation into tap water with the temperature of 80m L and the temperature of 45-60 ℃, and uniformly stirring to prepare an oil stain treatment liquid;
s3, adding the oil sludge obtained in the step S1 into a stirrer, uniformly stirring, adding the oil stain treatment liquid obtained in the step S2 into the oil sludge under stirring, after dropwise addition, irradiating the oil sludge by using a 100w ultraviolet lamp with the wavelength of 254nm, continuously stirring, standing and settling, removing the upper-layer dirty oil, removing the middle-layer sewage, and finally, remaining the bottom sludge.
Preferably, the stirring speed in the step S3 is 30 r/min.
(III) advantageous technical effects
Compared with the prior art, the invention has the following beneficial technical effects:
the oil stain preparation of 13.16-15.16g and the running water diluent of 100g are adopted to treat 100g of oil sludge under the radiation of ultraviolet light, 48.5-49.1g of oil stain, 108.13-108.9g of sewage and 55.76-57.3g of sludge are obtained by treatment, and the oil removal rate is 96.2-97 percent, so that the technical effect of effectively separating the oil stain, the sludge and the sewage in the oil sludge is achieved.
Detailed Description
The first embodiment is as follows:
the oil stain preparation comprises 5.27g of oil sludge dispersant, 2g of coagulation assistant and 3m L H2O2(density 1.13g/m L) 2.5g TiO with average particle size less than or equal to 50nm2；
Wherein the oil sludge dispersant consists of 1g of sodium pyrophosphate, 2g of sodium metasilicate, 1g of sodium dodecyl benzene sulfonate and 1m L of polyethylene glycol (the density is 1.27g/m L);
the coagulation auxiliary agent consists of 1g of alum, 0.5g of ferric trichloride and 0.5g of ferrous sulfate;
the preparation method of the oil stain preparation comprises the following steps:
s1, sequentially and respectively weighing 1g of alum, 0.5g of ferric trichloride and 0.5g of ferrous sulfate, uniformly mixing, and preparing a coagulation auxiliary agent;
s2, sequentially and respectively weighing 1g of sodium pyrophosphate, 2g of sodium metasilicate and 1g of sodium dodecyl benzene sulfonate, weighing 1m L polyethylene glycol, uniformly mixing, and preparing an oil sludge dispersant;
s3, measuring 3m L H2O2And is ready for use;
s4, weighing 2.5g of TiO with the average particle size of less than or equal to 50nm2And is ready for use;
s5, heating 20m L of tap water to 45 ℃, adding the mixture into a constant-temperature water bath at 45 ℃ while stirringThe coagulation aid in the step S1 and the oil sludge dispersant in the step S2 are stirred for 10min, naturally cooled to room temperature, and added with H in the step S32O2TiO in step S42Stirring and mixing uniformly to prepare an oil stain preparation;
the application method of the oil stain preparation comprises the following steps:
s1, weighing 100g of oil sludge for later use; wherein the crude oil accounts for 50 percent by mass, the water accounts for 25 percent by mass, and the silt accounts for 25 percent by mass;
s2, adding the prepared oil stain preparation into tap water with the temperature of 80m L and the temperature of 60 ℃, and uniformly stirring to prepare oil stain treatment liquid;
s3, adding the oil sludge in the step S1 into a stirrer, uniformly stirring, adding the oil stain treatment liquid in the step S2 into the oil sludge at a stirring speed of 30r/min and a dropping speed of 5m L/min, after dropping, irradiating the oil sludge by using an ultraviolet lamp with the wavelength of 100w of 254nm, continuously stirring at a speed of 30r/min for 30min, standing and settling for 10min, removing upper-layer dirty oil, removing middle-layer sewage, and finally, remaining bottom sludge;
s4, respectively weighing the mass of the dirty oil, the sewage and the sludge in the step S3 in sequence, wherein the weighing results are as follows: 48.5g of dirty oil, 108.9g of sewage and 55.76g of sludge;
and S5, calculating to obtain that the oil removal rate of the oil sludge is 97%.
Example two:
the oil stain preparation comprises 5.27g of oil sludge dispersant, 1.5g of coagulation assistant and 2m L H2O2(density 1.13g/m L) 4g TiO with average particle size less than or equal to 50nm2；
Wherein the oil sludge dispersant consists of 1.5g of sodium pyrophosphate, 1g of sodium metasilicate, 1.5g of sodium dodecyl benzene sulfonate and 1m L of polyethylene glycol (the density is 1.27g/m L);
the coagulation auxiliary agent consists of 0.5g of alum, 0.5g of ferric trichloride and 0.5g of ferrous sulfate;
the preparation method of the oil stain preparation comprises the following steps:
s1, respectively weighing 0.5g of alum, 0.5g of ferric trichloride and 0.5g of ferrous sulfate in sequence, uniformly mixing, and preparing a coagulation auxiliary agent;
s2, sequentially weighing 1.5g of sodium pyrophosphate, 1g of sodium metasilicate and 1.5g of sodium dodecyl benzene sulfonate, weighing 1m L polyethylene glycol, uniformly mixing, and preparing into an oil sludge dispersant;
s3, measuring 2m L H2O2And is ready for use;
s4, weighing 4g of TiO with average particle size of less than or equal to 50nm2And is ready for use;
s5, heating 20m L of tap water to 50 ℃, adding the coagulation aid in the step S1 and the oil sludge dispersant in the step S2 under stirring in a constant-temperature water bath at 50 ℃, then continuing stirring for 20min, naturally cooling to room temperature, and adding H in the step S32O2TiO in step S42Stirring and mixing uniformly to prepare an oil stain preparation;
the application method of the oil stain preparation comprises the following steps:
s1, weighing 100g of oil sludge for later use; wherein the crude oil accounts for 50 percent by mass, the water accounts for 25 percent by mass, and the silt accounts for 25 percent by mass;
s2, adding the prepared oil stain preparation into tap water with the temperature of 80m L and the temperature of 50 ℃, and uniformly stirring to prepare oil stain treatment liquid;
s3, adding the oil sludge in the step S1 into a stirrer, uniformly stirring, adding the oil stain treatment liquid in the step S2 into the oil sludge at a stirring speed of 30r/min and a dropping speed of 5m L/min, after dropping, irradiating the oil sludge by using an ultraviolet lamp with the wavelength of 100w of 254nm, continuously stirring at a speed of 30r/min for 30min, standing and settling for 10min, removing upper-layer dirty oil, removing middle-layer sewage, and finally, remaining bottom sludge;
s4, respectively weighing the mass of the dirty oil, the sewage and the sludge in the step S3 in sequence, wherein the weighing results are as follows: 48.1g of dirty oil, 108.13g of sewage and 56.8g of sludge;
and S5, calculating to obtain that the oil removal rate of the oil sludge is 96.2%.
Example three:
the oil stain preparation comprises the following raw materialsThe feed was 6.27g of sludge dispersant, 3g of coagulant aid, and 3m L H2O2(density 1.13g/m L) 2.5g TiO with average particle size less than or equal to 50nm2；
Wherein the oil sludge dispersant consists of 2g of sodium pyrophosphate, 1.5g of sodium metasilicate, 1.5g of sodium dodecyl benzene sulfonate and 1m L of polyethylene glycol (the density is 1.27g/m L);
the coagulation auxiliary agent consists of 1g of alum, 1g of ferric trichloride and 1g of ferrous sulfate;
the preparation method of the oil stain preparation comprises the following steps:
s1, sequentially and respectively weighing 1g of alum, 1g of ferric trichloride and 1g of ferrous sulfate, uniformly mixing, and preparing a coagulation auxiliary agent;
s2, weighing 2g of sodium pyrophosphate, 1.5g of sodium metasilicate and 1.5g of sodium dodecyl benzene sulfonate respectively in sequence, weighing 1m L polyethylene glycol, uniformly mixing, and preparing into an oil sludge dispersant;
s3, measuring 3m L H2O2And is ready for use;
s4, weighing 2.5g of TiO with the average particle size of less than or equal to 50nm2And is ready for use;
s5, heating 20m L tap water to 60 ℃, adding the coagulation aid in the step S1 and the oil sludge dispersant in the step S2 under stirring in a constant-temperature water bath at 60 ℃, then continuing stirring for 15min, naturally cooling to room temperature, and adding H in the step S32O2TiO in step S42Stirring and mixing uniformly to prepare an oil stain preparation;
the application method of the oil stain preparation comprises the following steps:
s1, weighing 100g of oil sludge for later use; wherein the crude oil accounts for 50 percent by mass, the water accounts for 25 percent by mass, and the silt accounts for 25 percent by mass;
s2, adding the prepared oil stain preparation into tap water with the temperature of 80m L and the temperature of 45 ℃, and uniformly stirring to prepare an oil stain treatment liquid;
s3, adding the oil sludge in the step S1 into a stirrer, uniformly stirring, adding the oil stain treatment liquid in the step S2 into the oil sludge at a stirring speed of 30r/min and a dropping speed of 5m L/min, after dropping, irradiating the oil sludge by using an ultraviolet lamp with the wavelength of 100w of 254nm, continuously stirring at a speed of 30r/min for 60min, standing and settling for 20min, removing upper-layer dirty oil, removing middle-layer sewage, and finally, remaining bottom sludge;
s4, respectively weighing the mass of the dirty oil, the sewage and the sludge in the step S3 in sequence, wherein the weighing results are as follows: 49.1g of dirty oil, 108.76g of sewage and 57.3g of sludge;
and S5, calculating to obtain that the oil removal rate of the oil sludge is 97%.
Claims (2)
1. An oil stain preparation for treating oil sludge, which is characterized in that,
the oil-water mixture is prepared from 6.27g of oil sludge dispersant, 3g of coagulation aid and 3m L H2O2、2.5gTiO2Composition is carried out;
the oil sludge dispersant consists of 2g of sodium pyrophosphate, 1.5g of sodium metasilicate, 1.5g of sodium dodecyl benzene sulfonate and 1m of L polyethylene glycol;
the coagulation auxiliary agent consists of 1g of alum, 1g of ferric trichloride and 1g of ferrous sulfate;
the TiO is2The average particle size is less than or equal to 50 nm;
the preparation method of the oil stain preparation comprises the following steps:
s1, sequentially and respectively weighing 1g of alum, 1g of ferric trichloride and 1g of ferrous sulfate, uniformly mixing, and preparing a coagulation auxiliary agent;
s2, weighing 2g of sodium pyrophosphate, 1.5g of sodium metasilicate and 1.5g of sodium dodecyl benzene sulfonate respectively in sequence, weighing 1m L polyethylene glycol, uniformly mixing, and preparing into an oil sludge dispersant;
s3, measuring 3m L H2O2And is ready for use;
s4, weighing 2.5g of TiO with the average particle size of less than or equal to 50nm2And is ready for use;
s5, heating 20m L tap water to 60 ℃, adding the coagulation aid in the step S1 and the oil sludge dispersant in the step S2 under stirring in a constant-temperature water bath at 60 ℃, then continuing stirring for 15min, naturally cooling to room temperature, and adding H in the step S32O2TiO in step S42Stirring and mixing evenly to prepare the productTo oil stain preparations.
2. A method of using the oil stain formulation of claim 1, comprising the steps of:
s1, weighing 100g of oil sludge for later use; wherein the crude oil accounts for 50 percent by mass, the water accounts for 25 percent by mass, and the silt accounts for 25 percent by mass;
s2, adding the prepared oil stain preparation into tap water with the temperature of 80m L and the temperature of 45 ℃, and uniformly stirring to prepare an oil stain treatment liquid;
s3, adding the oil sludge in the step S1 into a stirrer, uniformly stirring, adding the oil stain treatment liquid in the step S2 into the oil sludge at a stirring speed of 30r/min and a dropping speed of 5m L/min, after dropping, irradiating the oil sludge by using an ultraviolet lamp with the wavelength of 100w of 254nm, continuously stirring at a speed of 30r/min for 60min, standing and settling for 20min, removing upper-layer dirty oil, removing middle-layer sewage, and finally, remaining bottom sludge;
s4, respectively weighing the mass of the dirty oil, the sewage and the sludge in the step S3 in sequence, wherein the weighing results are as follows: 49.1g of dirty oil, 108.76g of sewage and 57.3g of sludge;
and S5, calculating to obtain that the oil removal rate of the oil sludge is 97%.
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| CN111268879B (en) * | 2020-02-19 | 2022-02-08 | 成都科衡环保技术有限公司 | Oxidizing agent for harmless treatment of waste solid water-based mud in drilling, preparation method and application thereof |
| CN112080317A (en) * | 2020-09-23 | 2020-12-15 | 中海油能源发展股份有限公司 | Catalytic reducing agent for cleaning oily sludge and preparation method thereof |
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