CN111434621A - Composite medicament for rapidly treating concentrated solution of emulsified oil wastewater - Google Patents
Composite medicament for rapidly treating concentrated solution of emulsified oil wastewater Download PDFInfo
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- CN111434621A CN111434621A CN201910026373.9A CN201910026373A CN111434621A CN 111434621 A CN111434621 A CN 111434621A CN 201910026373 A CN201910026373 A CN 201910026373A CN 111434621 A CN111434621 A CN 111434621A
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- Prior art keywords
- emulsified oil
- concentrated solution
- diatomite
- fly ash
- mass
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- 239000002351 wastewater Substances 0.000 title claims abstract description 60
- 239000003814 drug Substances 0.000 title claims abstract description 51
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 27
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 26
- 239000010881 fly ash Substances 0.000 claims abstract description 26
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 24
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims abstract description 23
- 229910052939 potassium sulfate Inorganic materials 0.000 claims abstract description 23
- 235000011151 potassium sulphates Nutrition 0.000 claims abstract description 23
- 239000004568 cement Substances 0.000 claims abstract description 21
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 13
- 239000002244 precipitate Substances 0.000 claims abstract description 13
- 239000003610 charcoal Substances 0.000 claims abstract description 12
- 239000003245 coal Substances 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 14
- 239000002699 waste material Substances 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000012141 concentrate Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 2
- 239000007784 solid electrolyte Substances 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 73
- 239000007787 solid Substances 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000009851 ferrous metallurgy Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 238000006124 Pilkington process Methods 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- 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
Abstract
The invention relates to a composite medicament for quickly treating emulsified oil wastewater concentrated solution, which comprises the following components in percentage by mass: 35-60% of diatomite; 0-20% of calcium carbonate; 0-15% of cement; 0-2% of potassium sulfate; 0-4% of calcium sulfate; 0-1% of water reducing agent; 0-25% of fly ash (without calorific value); 0-32% of fly ash (1500 cal); 0-37% of coal powder; 0-42% of charcoal. The composite medicament provided by the invention can quickly finish demulsification and adsorption of concentrated emulsified oil, the adsorbed oil drops have good settling property and are easy to separate oil from water, precipitates can be dried and solidified under natural conditions, and can be ignited and combusted under natural conditions after being simply solidified, the flammability has low requirement on the water content, and other additives are not required; the compound medicament provided by the invention has the advantages of low price, storage resistance, easy transportation and simple and convenient use; when the emulsified oil drops contact with diatomite and calcium carbonate with large specific surface area and high surface solid electrolyte concentration, the thickness of a surface double electric layer is greatly compressed, the surface tension is greatly reduced, and the emulsified oil is easy to aggregate and demulsify.
Description
Technical Field
The invention relates to the technical field of emulsified oil wastewater treatment, in particular to a composite medicament for quickly treating an emulsified oil wastewater concentrated solution.
Background
In many industrial processes such as food processing, equipment manufacturing, ferrous metallurgy, shipping, petroleum extraction and refining, a large amount of emulsified oil wastewater is generated due to the use of surfactants, edible oil, lubricating oil, fuel oil and crude oil. Emulsified oil refers to dispersed oil droplets surface-coated with a surfactant. Emulsified oil wastewater is very stable and can cause serious pollution when directly discharged into environmental water. The emulsified oil wastewater concentrated solution generated after the emulsified oil wastewater is subjected to physical separation (including hydrocyclone, air flotation, medium filtration, membrane filtration and the like) has a complex and stable structure such as oil-in-water and water-in-oil due to the action of a surfactant, and is difficult to further effectively treat; due to complex components and difficult purification, the resource recycling of the emulsified oil wastewater concentrated solution is also very difficult. The emulsified oil wastewater concentrated solution needs to be further treated in a harmless way, otherwise, the emulsified oil wastewater concentrated solution is directly discharged into the natural environment, and the serious environmental pollution is also caused.
At present, there are various methods for treating emulsified oil wastewater, such as a chemical demulsification method (mainly, salting-out method, coagulation method, salting-out-coagulation mixing method, acidification method, etc.), a mechanical physical oil removal method (mainly, centrifugal separation method, coarse-grained oil removal method, membrane separation method, oil separation method), a physicochemical method (mainly, air-float method, adsorption method), an electrochemical method (electrolytic method, etc.), a pyrolysis method, and an extraction method. The filtration method and the membrane separation method in the mechanical physical oil removal method have the problems of easy blockage of a filter medium and a filter membrane and high operation and maintenance cost, and the coarse graining oil removal method and the oil removal method have no obvious treatment effect on the high-concentration emulsified oil. The centrifugal separation method and the electrolytic method have not been applied in a large scale in practice. In practice, the air-float method and the adsorption method are generally used in combination with other methods. The acidification method firstly uses strong acid to demulsify and then needs to add alkali to adjust the pH value, and has complex and unsafe operation. The pyrolysis method needs complex equipment and has high energy consumption; the extraction method forms secondary pollution which is difficult to deal with; in contrast, the salting-out-flocculation method is easy to implement and has low investment, but satisfactory treatment effect cannot be achieved by only adopting a certain flocculating agent.
The innocent treatment of the concentrated liquid of emulsified oil waste water, the processing technology that promptly needs among the present emulsified oil waste water treatment process need a treatment of the concentrated waste liquid of emulsified oil waste water with low, quick, thorough treatment cost, realize the innocent treatment of the concentrated waste liquid of emulsified oil waste water.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a composite medicament for quickly treating the emulsified oil wastewater concentrated solution, and the medicament can realize quick demulsification, aggregation, solidification and harmless treatment of the emulsified oil wastewater concentrated solution.
The technical scheme of the invention is as follows: a composite medicament for rapidly treating emulsified oil wastewater concentrated solution comprises the following components in percentage by mass:
35-60% of diatomite;
0-20% of calcium carbonate;
0-15% of cement;
0-2% of potassium sulfate;
0-4% of calcium sulfate;
0-1% of water reducing agent;
0-25% of fly ash (without calorific value);
0-32% of fly ash (1500 cal);
0-37% of coal powder;
0-42% of charcoal.
Further, the compound medicament comprises the following components in percentage by mass:
40-60% of diatomite;
10-20% of calcium carbonate;
5-15% of cement;
1-2% of potassium sulfate;
1-2% of calcium sulfate;
0.5 to 1 percent of water reducing agent;
5-25% of fly ash (without calorific value);
10-32% of fly ash (1500 cal);
12-37% of coal powder;
21-42% of charcoal.
Further, the compound medicament comprises the following components in percentage by mass:
50-60% of diatomite;
15-20% of calcium carbonate;
5-10% of cement;
1-2% of potassium sulfate;
1-2% of calcium sulfate;
0.5 to 1 percent of water reducing agent;
5-20% of fly ash (without calorific value);
10-22% of fly ash (1500 cal);
12-30% of coal powder;
21-32% of charcoal.
Further, the compound medicament comprises the following components in percentage by mass:
60% of diatomite;
10% of cement;
2% of potassium sulfate;
2% of calcium sulfate;
1% of a water reducing agent;
5 percent of fly ash (without calorific value).
Further, the compound medicament comprises the following components in percentage by mass:
60% of diatomite;
15% of cement;
4% of calcium sulfate;
1% of a water reducing agent;
20% of fly ash (without calorific value).
Further, the compound medicament comprises the following components in percentage by mass:
60% of diatomite;
5% of cement;
2% of potassium sulfate;
1% of a water reducing agent;
32% of fly ash (1500 cal).
Further, the compound medicament comprises the following components in percentage by mass:
55% of diatomite;
5% of cement;
1% of potassium sulfate;
1% of calcium sulfate;
1% of a water reducing agent;
37 percent of coal powder.
Further, the compound medicament comprises the following components in percentage by mass:
35% of diatomite;
20% of calcium carbonate;
2% of potassium sulfate;
1% of a water reducing agent;
42% of charcoal.
Further, the potassium sulfate may be sodium sulfate.
The invention also provides a method for treating the emulsified oil wastewater concentrated solution by using the medicament, which comprises the steps of adding the composite medicament with the mass concentration of 1-50% into the concentrated waste liquid of the emulsified oil wastewater, uniformly stirring, standing for 10-30 minutes, completing demulsification and precipitation layering of the concentrated solution, and igniting and burning after naturally drying the precipitate for 1-5 days after separation.
The invention has the beneficial effects that:
1. the composite medicament provided by the invention can quickly finish demulsification and adsorption of concentrated emulsified oil, the adsorbed oil drops have good settling property and are easy to separate oil from water, precipitates can be dried and solidified under natural conditions, and can be ignited and combusted under natural conditions after being simply solidified, the flammability has low requirement on the water content, and organic oil can be efficiently mineralized without adding other additives;
2. the compound medicament has low price, storage resistance, easy transportation, simple and convenient use and no need of special instruments and equipment.
3. When the emulsified oil drops contact with the diatomite and the calcium carbonate with large specific surface area and high surface solid electrolyte concentration, the thickness of a surface double electric layer is greatly compressed, the surface tension of the emulsified oil drops is greatly reduced, and the emulsified oil drops are easy to aggregate and demulsify;
4. a large amount of polyhydroxy polymer is generated in the cement hydrolysis process, and dispersed diatomite particles and oil drops are captured together, so that the settling property is improved;
5. the potassium sulfate (sodium), the calcium sulfate and the water reducing agent can be combined with pore water among the polyhydroxy polymer, the diatomite particles and oil drops to generate crystal water, so that the solidification of the precipitate is accelerated, and the flammability of the precipitate can be improved as the content of the pore water is reduced;
6. the fly ash, the coal powder and the charcoal provide large specific surface area for adsorbing dispersed oil drop particles and an oil layer after demulsification, play a role of a support body in precipitates, provide a large amount of void structures, increase the contact between oil drops and air during combustion, and play a role of supporting combustion in addition.
Detailed Description
The following examples are provided to further illustrate the embodiments of the present invention:
example 1
A composite medicament for rapidly treating emulsified oil wastewater concentrated solution comprises the following components in percentage by mass:
60% of diatomite;
20% of calcium carbonate;
5% of cement;
2% of potassium sulfate;
4% of calcium sulfate;
1% of a water reducing agent;
25% of fly ash (without calorific value);
32% of fly ash (1500 cal);
37% of coal powder;
42% of charcoal.
The composite medicament provided by the invention is suitable for treating the emulsified oil wastewater concentrated waste liquid in the industries of food processing, mechanical manufacturing, petrochemical industry, crude oil exploitation, ship transportation, ferrous metallurgy and the like.
Example 2
A composite medicament for rapidly treating emulsified oil wastewater concentrated solution comprises the following components in percentage by mass:
60% of diatomite;
10% of cement;
2% of potassium sulfate;
2% of calcium sulfate;
1% of a water reducing agent;
5 percent of fly ash (without calorific value).
The compound medicament department that this embodiment provided is applicable to the processing of crude oil exploitation waste water, petrochemical industry waste water.
Example 3
A composite medicament for rapidly treating emulsified oil wastewater concentrated solution comprises the following components in percentage by mass:
60% of diatomite;
15% of cement;
4% of calcium sulfate;
1% of a water reducing agent;
20% of fly ash (without calorific value).
The composite medicament provided by the embodiment is a quick-hardening composite medicament, and is suitable for treating the emulsified oil wastewater concentrated solution with high requirement on treatment time.
Example 4
A composite medicament for rapidly treating emulsified oil wastewater concentrated solution comprises the following components in percentage by mass:
60% of diatomite;
5% of cement;
2% of potassium sulfate;
1% of a water reducing agent;
32% of fly ash (1500 cal).
The composite medicament provided by the embodiment is a heating value increasing composite medicament, and is suitable for treating emulsified oil wastewater concentrated solution with poor flammability, such as food wastewater and ship transportation wastewater.
Example 5
A composite medicament for rapidly treating emulsified oil wastewater concentrated solution comprises the following components in percentage by mass:
55% of diatomite;
5% of cement;
1% of potassium sulfate;
1% of calcium sulfate;
1% of a water reducing agent;
37 percent of coal powder.
The composite medicament provided by the embodiment is a high-calorific-value composite medicament, and is suitable for treating most emulsified oil wastewater concentrated solutions with poor flammability, such as machining cutting wastewater and ferrous metallurgy wastewater.
Example 6
A composite medicament for rapidly treating emulsified oil wastewater concentrated solution comprises the following components in percentage by mass:
35% of diatomite;
20% of calcium carbonate;
2% of potassium sulfate;
1% of a water reducing agent;
42% of charcoal.
The composite medicament provided by the embodiment is a low-oil oxidation type composite medicament, and is suitable for treating most emulsified oil wastewater concentrated solutions with low oil content.
Example 7
Aiming at the emulsified oil wastewater concentrated solution with the water content lower than 80% and good oil flammability, the composite medicament in the embodiment 1 is mixed with the emulsified oil wastewater concentrated solution according to the mass ratio of 2:100, mechanically stirred for 10 minutes, kept stand for 30 minutes, subjected to solid-liquid separation, and the separated solid precipitate is kept and solidified for 1 day under natural conditions and ignited in air atmosphere, so that complete inorganization can be realized.
Example 8
Aiming at the emulsified oil wastewater concentrated solution with the water content higher than 80% and good oil flammability, the composite medicament in the embodiment 1 is mixed with the emulsified oil wastewater concentrated solution according to the mass ratio of 5:100, mechanically stirred for 15 minutes, kept stand for 30 minutes, subjected to solid-liquid separation, and the separated solid precipitate is kept and solidified for 3 days under natural conditions and ignited in air atmosphere, so that complete inorganization can be realized.
Example 9
Aiming at the emulsified oil wastewater concentrated solution with the water content higher than 80% and poor oil flammability, the composite medicament in the embodiment 1 is mixed with the emulsified oil wastewater concentrated solution according to the mass ratio of 15:100, mechanically stirred for 30 minutes, kept stand for 60 minutes, subjected to solid-liquid separation, and the separated solid precipitate is kept and solidified for 4 days under natural conditions and ignited under air atmosphere, so that complete inorganization can be realized.
Example 10
Aiming at the emulsified oil wastewater concentrated solution with the water content higher than 80% and poor oil flammability, the composite medicament in the embodiment 1 is mixed with the emulsified oil wastewater concentrated solution according to the mass ratio of 15:100, mechanically stirred for 30 minutes, kept stand for 60 minutes, subjected to solid-liquid separation, and the separated solid precipitate is kept and solidified for 4 days under natural conditions and ignited under air atmosphere, so that complete inorganization can be realized.
Example 11
Aiming at the emulsified oil wastewater concentrated solution with the water content lower than 80% and poor oil flammability, the composite medicament in the embodiment 1 and the emulsified oil wastewater concentrated solution are mixed according to the mass ratio of 15:100, mechanically stirred for 30 minutes, kept stand for 60 minutes and subjected to solid-liquid separation. The separated solid precipitate is placed and solidified for 1 day under natural condition, and ignited under air atmosphere, so that complete inorganization can be realized.
Example 12
For the emulsified oil wastewater concentrated solution with the water content higher than 80% and poor oil flammability, the compound medicament in the embodiment 1 and the emulsified oil wastewater concentrated solution are mixed according to the mass ratio of 20:100, mechanically stirred for 30 minutes, kept stand for 120 minutes, and subjected to solid-liquid separation. The separated solid precipitate is placed and solidified for 5 days under natural conditions, and is ignited under air atmosphere, so that complete inorganization can be realized.
The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.
Claims (10)
1. The composite medicament for rapidly treating the emulsified oil wastewater concentrated solution is characterized by comprising the following components in percentage by mass:
35-60% of diatomite;
0-20% of calcium carbonate;
0-15% of cement;
0-2% of potassium sulfate;
0-4% of calcium sulfate;
0-1% of water reducing agent;
0-25% of fly ash (without calorific value);
0-32% of fly ash (1500 cal);
0-37% of coal powder;
0-42% of charcoal.
2. The compound medicament for rapidly treating the emulsified oil wastewater concentrated solution according to claim 1, which comprises the following components in percentage by mass:
40-60% of diatomite;
10-20% of calcium carbonate;
5-15% of cement;
1-2% of potassium sulfate;
1-2% of calcium sulfate;
0.5 to 1 percent of water reducing agent;
5-25% of fly ash (without calorific value);
10-32% of fly ash (1500 cal);
12-37% of coal powder;
21-42% of charcoal.
3. The compound medicament for rapidly treating the emulsified oil wastewater concentrated solution according to claim 1, which comprises the following components in percentage by mass:
50-60% of diatomite;
15-20% of calcium carbonate;
5-10% of cement;
1-2% of potassium sulfate;
1-2% of calcium sulfate;
0.5 to 1 percent of water reducing agent;
5-20% of fly ash (without calorific value);
10-22% of fly ash (1500 cal);
12-30% of coal powder;
21-32% of charcoal.
4. The compound medicament for rapidly treating the emulsified oil wastewater concentrated solution according to claim 1, which comprises the following components in percentage by mass:
60% of diatomite;
10% of cement;
2% of potassium sulfate;
2% of calcium sulfate;
1% of a water reducing agent;
5 percent of fly ash (without calorific value).
5. The compound medicament for rapidly treating the emulsified oil wastewater concentrated solution according to claim 1, which comprises the following components in percentage by mass:
60% of diatomite;
15% of cement;
4% of calcium sulfate;
1% of a water reducing agent;
20% of fly ash (without calorific value).
6. The compound medicament for rapidly treating the emulsified oil wastewater concentrated solution according to claim 1, which comprises the following components in percentage by mass:
60% of diatomite;
5% of cement;
2% of potassium sulfate;
1% of a water reducing agent;
32% of fly ash (1500 cal).
7. The compound medicament for rapidly treating the emulsified oil wastewater concentrated solution according to claim 1, which comprises the following components in percentage by mass:
55% of diatomite;
5% of cement;
1% of potassium sulfate;
1% of calcium sulfate;
1% of a water reducing agent;
37 percent of coal powder.
8. The compound medicament for rapidly treating the emulsified oil wastewater concentrated solution according to claim 1, which comprises the following components in percentage by mass:
35% of diatomite;
20% of calcium carbonate;
2% of potassium sulfate;
1% of a water reducing agent;
42% of charcoal.
9. The compound chemical for rapidly processing the emulsified oil wastewater concentrated solution according to any one of claims 1, 2, 3, 4, 6, 7 and 8, wherein the potassium sulfate can also be sodium sulfate.
10. A method for treating an emulsified oil waste water concentrate using the composite agent according to any one of claims 1 to 8, characterized in that: the method comprises the steps of adding a composite medicament with the mass concentration of 1-50% of the concentrated waste liquid into the concentrated waste liquid of the emulsified oil wastewater, uniformly stirring, standing for 10-30 minutes, completing demulsification and precipitation layering of the concentrated liquid, and naturally drying the precipitate for 1-5 days after separation to ignite and burn.
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