CN110270585A - Pollute the processing method of mixture - Google Patents
Pollute the processing method of mixture Download PDFInfo
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- CN110270585A CN110270585A CN201811088561.6A CN201811088561A CN110270585A CN 110270585 A CN110270585 A CN 110270585A CN 201811088561 A CN201811088561 A CN 201811088561A CN 110270585 A CN110270585 A CN 110270585A
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- mixture
- inorganic agent
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- agent
- pollutant
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- 239000000203 mixture Substances 0.000 title claims abstract description 134
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 235
- 239000007788 liquid Substances 0.000 claims abstract description 93
- 239000002689 soil Substances 0.000 claims abstract description 93
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 65
- 231100000719 pollutant Toxicity 0.000 claims abstract description 65
- 238000012545 processing Methods 0.000 claims abstract description 61
- 238000004064 recycling Methods 0.000 claims abstract description 57
- 238000011282 treatment Methods 0.000 claims abstract description 47
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 42
- 229930195733 hydrocarbon Natural products 0.000 claims description 42
- 150000002430 hydrocarbons Chemical group 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 36
- 239000000654 additive Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 230000000996 additive effect Effects 0.000 claims description 8
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000012805 post-processing Methods 0.000 claims description 4
- 239000000975 dye Substances 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 241000251468 Actinopterygii Species 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 claims description 2
- 239000002250 absorbent Substances 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 150000001299 aldehydes Chemical class 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000004821 distillation Methods 0.000 abstract description 7
- 238000005119 centrifugation Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000005267 amalgamation Methods 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 description 38
- 239000003208 petroleum Substances 0.000 description 38
- 230000000694 effects Effects 0.000 description 20
- 238000011084 recovery Methods 0.000 description 15
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 238000001514 detection method Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000003921 oil Substances 0.000 description 6
- 239000002671 adjuvant Substances 0.000 description 5
- 238000004817 gas chromatography Methods 0.000 description 5
- 239000003209 petroleum derivative Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- -1 polypropylene, ethylene vinyl acetate Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010170 biological method Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229920006026 co-polymeric resin Polymers 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 241001214714 Niea Species 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical group C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003891 environmental analysis Methods 0.000 description 1
- QPMJENKZJUFOON-PLNGDYQASA-N ethyl (z)-3-chloro-2-cyano-4,4,4-trifluorobut-2-enoate Chemical compound CCOC(=O)C(\C#N)=C(/Cl)C(F)(F)F QPMJENKZJUFOON-PLNGDYQASA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- YXVJNOXXPKIWIM-UHFFFAOYSA-N n-(2-hydroxyethyl)-n-(2-hydroxypropyl)nitrous amide Chemical compound CC(O)CN(N=O)CCO YXVJNOXXPKIWIM-UHFFFAOYSA-N 0.000 description 1
- 238000011369 optimal treatment Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of processing methods for polluting mixture.The processing method of pollution mixture can be applied to processing contaminated soil and contaminated fluid.The processing method for polluting mixture includes mixing first pollution mixture and an inorganic agent containing pollutant, inorganic agent can select liquid inorganic agent or solid-state inorganic agent on demand, thus it enables the inorganic agent and the pollutant act on and obtains a mixture to be separated, it include that mixture and one uses post-treatment agent once treated in the mixture to be separated, from in the mixture to be separated the isolated mixture after processing and this use post-treatment agent, make this using post-treatment agent to squeeze, centrifugation, it squeezes, the mode of distillation or displacement reaction isolates a recycling inorganic agent, the recycling inorganic agent can mix amalgamation with one second pollution mixture again.Thus reusing inorganic agent reduces processing cost.
Description
Technical field
The present invention relates to a kind of methods of processing pollution mixture.
Background technique
The method of conventional process pollution mixture mainly includes chemistry, physics and biological method, is often used in actual production
Pollutant is decomposed or separated to chemical method by addition inorganic agent, also combinable to use physics side other than chemical method
Method and/or biological method, the treatment effeciency of pollution mixture is promoted with regard to this, and improves treatment effect.
When mixture is polluted in processing, in order to make inorganic agent that there is optimal treatment effect, it will usually add other auxiliary
The parameters such as temperature, pH-value or the electrical conductivity of agent control pollution mixture, to handle inorganic agent can under the conditions of one is preferable
The pollution mixture plays expected treatment effect；One can be generated using post-processing after inorganic agent and pollutant reaction effect
Agent and once treated mixture, this includes pollutant, inorganic agent and part adjuvant using post-treatment agent, therefore,
It isolates using after post-treatment agent, can be obtained mixture after processing, and achieve the effect that handle the pollution mixture.
However, after addition inorganic agent and adjuvant, though most pollutant can be isolated in automatic pollution mixture,
It include pollutant, inorganic agent and part adjuvant using post-treatment agent ingredient usually multiplicity and complexity, if not further
Processing can not then be reused, or even will cause waste or pollution, more improve processing cost, therefore, conventional process Polluted Soil
The method of earth is still to be improved, especially when the pollution mixture includes solid and liquid simultaneously, will increase separation and purifying
Handle the degree of difficulty for using post-treatment agent.
For example, when the pollution mixture is a contaminated soil, after addition inorganic agent and adjuvant, the use
It may include soil particle, pollutant, cleaning solution, inorganic agent and adjuvant in post-treatment agent, so that not only multiplicity is complicated for ingredient,
And it is more difficult to purification and recovery inorganic agent.
Therefore, the method for conventional process contaminated soil be can be first with the liquid scrubbing contaminated soil, due to surface area and table
The influence of surface charge, pollutant tendency are attached in the lesser soil constituent of particle, such as silt (Silt soil) and clay；Therefore,
The method of conventional process contaminated soil can in washing process, according to the size of soil particle to sieve, flotation, precipitating or centrifugation
Mode, sift out different sized particles, such as: gravel, coarse sand, fine sand, silt (Silt soil) and clay, by washing and sub-sieve
Afterwards, pollutant, which can be inclined to, concentrates in short grained soil constituent, thus reaches cleaning bulky grain soil, and pollutant is concentrated
Effect into little particle soil；But many waste liquids can be generated during this processing, include many fine graineds and richness in the waste liquid
Containing pollutant, subsequent processing is usually needed, processor is not easy and is handled frequently with the modes such as burning or burial, therefore cause entirely to handle
Process steps are complicated, time-consuming and are difficult to isolate and purify using post-treatment agent, or even cause to waste or pollute, and propose processing cost
It is high.
Summary of the invention
In view of the above problems, it is an object of the present invention to solve the problems, such as in the past can not recycling and reusing inorganic agent.
In order to achieve the above object, the method that the present invention handles pollution mixture includes:
A first pollution mixture and one second pollution mixture are provided, the first pollution mixture and second pollution are mixed
It closes object and respectively contains pollutant；
The first pollution mixture and an inorganic agent are mixed, the dirt in the inorganic agent and the first pollution mixture is thus enabled
Object effect is contaminated, a mixture to be separated is obtained, containing after treated mixture and a use in the mixture to be separated
Inorganic agent, this contains the inorganic agent and the pollutant using post-treatment agent, which is at a liquid inorganic agent or a solid-state
Manage agent；
From in the mixture to be separated the isolated mixture after processing and this use post-treatment agent, make the use
(such as displacement reaction, redox are anti-with physical action (such as squeeze, be centrifuged, squeeze, distill) or chemical action for post-treatment agent
Answer) mode isolate a recycling inorganic agent；
The recycling inorganic agent is enabled to mix with the second pollution mixture to handle the second pollution mixture, thus
The pollutant in the recycling inorganic agent and the second pollution mixture is enabled to act on.
By above-mentioned technological means, the inorganic agent of present invention processing pollution mixture can be obtained via the step of purifies and separates
The recycling inorganic agent that recycling obtains can be made an addition to again in the second pollution mixture, be made by one recycling inorganic agent
Recycling inorganic agent can be acted on the pollutant in the second pollution mixture, reach the effect of processing the second pollution mixture
Fruit reduces pollution and waste caused by inorganic agent, and can reduce the processing cost of pollution mixture.Wherein the pollution mixture can
To be solid, liquid or the mixture of solid-liquid；When solid content is higher, which may be in pureed.
Wherein, which can be various pollutants or pollution mixture, the in one of the embodiments, pollution
Object can be hydrocarbon pollution object, and specifically, which can be petroleum hydrocarbon.
Preferably, from this using the method that the recycling inorganic agent is isolated in post-treatment agent can be distillation it is cold
Solidifying, centrifugation or other modes.
The inorganic agent used in one of the embodiments, is liquid inorganic agent, and is polluted in the processing method of mixture
The first pollution mixture and the inorganic agent are mixed, thus enables the inorganic agent and the pollutant act on and obtains the mixture to be separated
The step of include:
The inorganic agent is the liquid inorganic agent, mixes the first pollution mixture and the liquid inorganic agent, thus enables the liquid
State inorganic agent and the pollutant act on, and obtain the mixture to be separated；
Wherein from the mixture to be separated the isolated mixture after processing and this use the step of post-treatment agent
Suddenly include:
From the mixture after processing of solid-liquid separation in the mixture to be separated and this use post-treatment agent, with distillation
The mode of condensation purifies this and obtains the recycling inorganic agent using post-treatment agent.
Preferably, the liquid inorganic agent be alkanes, ethers, alcohols, aldehydes, benzene class, ketone, halogenated alkane, halogenated alkanes,
Chlorofluorocarbons, haloform or combinations thereof object.More preferably, the boiling point of the liquid inorganic agent is less than 100 DEG C, after thus can reducing purifying use
Inorganic agent and energy consumption needed for obtaining recycling inorganic agent, increase economic benefit.
Preferably, may include catalyst in the liquid inorganic agent, which can help to handle the first pollution mixture and be somebody's turn to do
Pollutant in second pollution mixture, such as: oils catalyst.
When the pollutant is petroleum contaminant hydrocarbon, petroleum contaminant hydrocarbon and liquid inorganic agent interact, and can incite somebody to action
Petroleum contaminant hydrocarbon is separated with soil, and petroleum contaminant hydrocarbon is different from the boiling point of liquid inorganic agent, therefore can pass through distillation
The mode condensed again afterwards uses the isolated recycling inorganic agent and petroleum contaminant hydrocarbon in post-treatment agent from this,
And inorganic agent is recycled to recycle.
Pollution mixture be during processing improve efficiency, it is easy to operate or reduce inorganic agent loss, other can be added
Additive, such as: water.By making the density of additive be less than the density of the liquid inorganic agent, thus make additive that can float on liquid
On state inorganic agent and first pollution soil, to reduce liquid inorganic agent when handling first pollution soil because handling caused by evapotranspiring
The loss of agent.
In another embodiment, the inorganic agent used is solid-state inorganic agent, and is polluted in the processing method of mixture, is mixed
Thus the first pollution mixture and the inorganic agent enable the inorganic agent and the pollutant act on the step for obtaining the mixture to be separated
Suddenly include:
The inorganic agent is the solid-state inorganic agent, mixes the first pollution mixture and the solid-state inorganic agent, thus enables this solid
State inorganic agent and the pollutant act on and adhere to, and obtain the mixture to be separated；
Wherein from the mixture to be separated the isolated mixture after processing and this use the step of post-treatment agent
Suddenly include:
From in the mixture to be separated to sieve, it is floating remove, fish out choosing or isolated in a manner of filtering be attached with the pollutant
Solid-state inorganic agent, recycling extruding, the mode for being centrifuged or squeezing separate and obtain the recycling inorganic agent；It is to be separated mixed from this
Close the mixture for being separated by solid-liquid separation in object and obtaining this after processing.
Preferably, the material of the solid-state inorganic agent can for polypropylene, ethylene vinyl acetate copolymer resin, graphene,
Sponge, oil absorbent material or combinations thereof object.
Preferably, may include catalyst in the solid-state inorganic agent, which can help to handle the first pollution mixture and be somebody's turn to do
Pollutant in second pollution mixture, such as: oils catalyst.
When the pollutant is petroleum contaminant hydrocarbon, the adsorbable petroleum contaminant hydrocarbon of solid-state inorganic agent makes Petrocarbon
Hydrogen contamination object can be transferred to the solid-state inorganic agent by soil surface, and one can be obtained in treatment process comprising treated soil and contain
There is the mixture to be separated of the solid-state inorganic agent of petroleum contaminant hydrocarbon.It, can to improve efficiency or easy to operate in treatment process
Other additives are added, such as: water.
When handling first pollution mixture or the second pollution mixture, the recycling of solid-state inorganic agent or liquid treating agent can be
Batch processing can also be handled for continous way.
The additive amount of inorganic agent can according to inorganic agent type and first pollution mixture or this second pollution mixture in pollute
The concentration of object is adjusted, to look for optimal proportion.
The rate of recovery of the recycling inorganic agent is the gross weight of recycling inorganic agent divided by the addition of the inorganic agent
The percentage of weight, the method for processing pollution mixture according to the present invention, the rate of recovery of recycling inorganic agent between
Between 0.0001% to 100%；Preferably, the rate of recovery of recycling inorganic agent is between 50% to 100%；More preferably
, the rate of recovery of recycling inorganic agent is between 80% to 100%；Again more preferably, time of recycling inorganic agent
Yield is between 90% to 100%.
Specifically, which can be a contaminated soil, i.e., the first pollution mixture is a first pollution
Soil, the second pollution mixture are one second contaminated soil, which is once treated soil.And
And the method for processing pollution mixture according to the present invention, it is first dirty that the concentration of the pollutant in soil after processing is less than this
Contaminate the concentration of pollutant in soil.
Preferably, the content of each kilogram of pollutant in soil after processing is less than or equal to 1000 milligrams.More preferably
, the content of each kilogram of pollutant in soil after processing is less than or equal to 20 milligrams.
On the other hand, which can be a contaminated fluid, i.e., the first pollution mixture is a first pollution
Liquid, the second pollution mixture are one second contaminated fluid, which is once treated liquid.And
And the method for processing pollution mixture according to the present invention, it is first dirty to be less than this for the concentration of pollutant in the liquid after processing
The concentration of pollutant in dyestuff liquid.
Preferably, the content of pollutant is less than or equal to 10 milligrams in each litre liquid after processing.More preferably,
The content of pollutant is less than or equal to 2 milligrams in each litre liquid after processing.
Detailed description of the invention
Fig. 1 is the step flow chart for the method that the embodiment of the present invention 1 and 2 handles contaminated soil.
Fig. 2 is the step flow chart for the method that the embodiment of the present invention 3 handles contaminated soil.
Fig. 3 is the step flow chart for the method that the embodiment of the present invention 4 handles contaminated fluid.
Fig. 4 is the step flow chart for the method that the embodiment of the present invention 5 handles contaminated fluid.
Specific embodiment
It in the present invention, can be dirty according to hydrocarbon in first pollution soil or liquid or second contaminated soil or liquid
The additive amount of the concentration adjustment inorganic agent of object is contaminated, and different inorganic agents can be used according to different pollutants, is thus made after processing
Soil or liquid pollutant concentration lower than processing before pollutant concentration.
Embodiment 1
Refering to Figure 1, in the present embodiment, the pollutant for including in a first pollution soil is oil pollutant,
The M901.00B stipulated according to environmental test institute (national institute environmental analysis, NIEA)
Detection method, with total petroleum hydrocarbon in gas chromatography/flame ion detection method measurement first pollution soil (instrument
Detecting limit is 20mg/kg), the petroleum in each kilogram of first pollution soil comprising 5890 milligrams is learnt according to testing result
Contaminant hydrocarbon, that is, the concentration of the petroleum contaminant hydrocarbon in the first pollution soil is 5890mg/kg.
Firstly, weighing 1000 grams of Petrocarbon hydrogen contamination soil as first pollution soil, and the methanol for being added 1000 grams is made
For liquid inorganic agent.A mixture to be separated is formed after enabling the first pollution soil and the liquid inorganic agent uniform stirring；At this point,
The liquid inorganic agent can be acted on the petroleum contaminant hydrocarbon in the first pollution soil, make petroleum contaminant hydrocarbon from the first dirt
It contaminates and is desorbed on the particle surface of soil, therefore the mixture to be separated is made to include that soil and one uses post-processing once treated
Agent, this contains the liquid inorganic agent and the petroleum contaminant hydrocarbon using post-treatment agent.
Then, it is separated by solid-liquid separation soil after processing and uses post-treatment agent, at this point, soil after processing is via gas phase
Chromatography/flame ion detection method measures the dense of total petroleum hydrocarbon (Total Petroleum Hydrocarbon, TPH)
Degree is less than 20mg/kg, concentration of the concentration of TPH lower than TPH in first pollution soil in the soil after processing.
On the other hand, post-treatment agent will be used to be placed in heating recovery device, and the temperature for controlling heating recovery device is
60 DEG C, this uses post-treatment agent to purifies and separates, is recycled by way of condensing again after distillation and obtains a recycling inorganic agent,
Total petroleum hydrocarbon pollutant is not included in the recycling inorganic agent, the gross weight of recycling inorganic agent is
995 grams, the rate of recovery of recycling inorganic agent is addition weight of the recycling inorganic agent gross weight divided by liquid inorganic agent
Percentage, therefore the rate of recovery be 99.5%.
The recycling inorganic agent is made an addition in the second contaminated soil again, the journey of second contaminated soil containing pollutant
Degree can be identical or different with the first pollution soil, and repeats abovementioned steps, makes recycling inorganic agent and the second Polluted Soil
Petroleum contaminant hydrocarbon effect in earth, to handle the second contaminated soil.
In this way, can get the recycling inorganic agent after the step of this uses post-treatment agent in purifies and separates, it can
The inorganic agent of recycling can be added in again in the second contaminated soil, reach the recycling and reusing liquid inorganic agent to save processing
The effect of cost.
Embodiment 2
Embodiment 2 is similar to Example 1, and using identical first pollution soil, difference is: what embodiment 2 used
Liquid inorganic agent is 1000 grams of methylene chloride, and water is added as additive.
First pollution soil, water and liquid inorganic agent is enabled to be uniformly mixed and form a mixture to be separated, it is close due to water
Degree is small compared with methylene chloride, therefore water can float on the surface of methylene chloride during mixing, reduces methylene chloride and directly contacts sky
Gas cause liquid inorganic agent evapotranspire and caused by loss；At this point, the liquid inorganic agent can be acted on petroleum contaminant hydrocarbon, therefore should
Mixture to be separated includes once treated soil and using post-treatment agent.
It enables soil after processing and is separated by solid-liquid separation using post-treatment agent, and surveyed with gas chromatography/flame ion detection method
The total amount of TPH in amount soil after processing, the concentration of TPH is less than 1000mg/kg in soil after processing, therefore this is through handling
Content of the content of TPH lower than TPH pollutant in the first pollution soil in soil afterwards.
In addition, this uses post-treatment agent with 45 DEG C of temperature purifies and separates, obtaining one by distillation and condensing recovery can be again
The gross weight of the inorganic agent utilized, recycling inorganic agent is 998 grams, and the recycling liquid inorganic agent rate of recovery is
99.8%.
The recycling inorganic agent can make an addition to again in the second contaminated soil, the journey of second contaminated soil containing pollutant
Degree can be identical or different with the first pollution soil, and repeatable abovementioned steps, pollutes recycling inorganic agent and second
Petroleum contaminant hydrocarbon effect in soil, to handle the second contaminated soil.
Embodiment 3
It please refers to shown in Fig. 2, embodiment 3 is similar to Example 1, and using identical first pollution soil, difference is:
The inorganic agent that embodiment 3 uses is solid-state inorganic agent, weighs 5000 grams of solid-state inorganic agent, and adds water as additive, with
It promotes the adsorption efficiency of petroleum contaminant hydrocarbon and makes to operate more convenient.The addition weight of the solid-state inorganic agent is first dirt
The 500% of soil weight is contaminated, the main component of the solid-state inorganic agent is ethylene vinyl acetate copolymer resin particle, and having can
Adsorb the effect of petroleum contaminant hydrocarbon.
First pollution soil, water and solid-state inorganic agent is set to form a mixture to be separated after mixing；At this point, the solid-state
Inorganic agent can be acted on petroleum contaminant hydrocarbon, and the petroleum contaminant hydrocarbon that original is attached to first pollution soil particle surface can turn
Shifting is adsorbed on solid-state inorganic agent, thus make the mixture to be separated include once treated soil and using post-treatment agent, should
It the use of post-treatment agent include petroleum contaminant hydrocarbon and solid-state inorganic agent.
Then, the solid-state inorganic agent for being attached with petroleum contaminant hydrocarbon is selected in fishing from the mixture to be separated, to squeeze,
The mode for being centrifuged or squeezing separates petroleum contaminant hydrocarbon from solid-state inorganic agent surface, obtains a recycling inorganic agent,
Achieve the effect that purify solid-state inorganic agent；On the other hand, from the soil after processing of solid-liquid separation in the mixture to be separated
Earth, the soil after processing measure oil pollutant wherein included with gas chromatography/flame ion detection method, native after processing
The concentration of TPH is less than 1000mg/kg in earth, therefore the content of TPH is lower than TPH in first pollution soil in the soil after processing
Content.
The recycling inorganic agent can make an addition to again in the second contaminated soil, the kind of second contaminated soil containing pollutant
Class can be identical or different with the first pollution soil with degree, such as: the first pollution soil can be the soil of contaminated by diesel oil, the
Two contaminated soils can be the soil of crude oil pollution.Repeatable abovementioned steps pollute recycling solid-state inorganic agent and second
Petroleum contaminant hydrocarbon effect in soil, to handle the second contaminated soil.
Embodiment 4
It please refers to shown in Fig. 3, in this present embodiment, the pollutant for including in a first pollution liquid is oil pollutant,
According to the M901.00B detection method ordered by environmental test, first pollution liquid is measured with gas chromatography/flame ion detection method
Total petroleum contaminant hydrocarbon in body learns the stone in the every 1 kilogram first pollution liquid comprising 811 milligrams according to testing result
Oily contaminant hydrocarbon, that is, the concentration of the petroleum contaminant hydrocarbon in the first pollution liquid is 811mg/kg.
Firstly, weighing 1000 grams of first pollution liquid, and 1000 grams of n-hexane is added as liquid inorganic agent.
A mixture to be separated is formed after enabling the first pollution liquid and the liquid inorganic agent uniform stirring；At this point, the liquid
State inorganic agent can be acted on the petroleum contaminant hydrocarbon in the first pollution soil, make petroleum contaminant hydrocarbon from first pollution liquid
It is separated in body, therefore the mixture to be separated is made to include that liquid and one uses post-treatment agent once treated, this uses post-processing
Agent contains the liquid inorganic agent and the petroleum contaminant hydrocarbon.
Then, since liquid after processing is different using post-treatment agent specific gravity with this, using modes such as centrifugation, extractions
Liquid after processing is separated with this using post-treatment agent, at this point, liquid after processing is via gas chromatography/flame ion
The concentration that detection method measures total petroleum contaminant hydrocarbon is less than 2mg/L, and the concentration of TPH is lower than first in the soil after processing
The concentration of TPH in contaminated fluid.
On the other hand, post-treatment agent will be used to be placed in heating recovery device, and the temperature for controlling heating recovery device is
60 DEG C, this uses post-treatment agent to purifies and separates, is recycled by way of condensing again after distillation and obtains a recycling inorganic agent,
The petroleum contaminant hydrocarbon is not included in the recycling inorganic agent, the gross weight of recycling inorganic agent is 998 grams, can be again
The rate of recovery of the inorganic agent utilized is percentage of the recycling inorganic agent gross weight divided by the addition weight of liquid inorganic agent, therefore
The rate of recovery is 99.8%.
The recycling inorganic agent is made an addition in the second contaminated fluid again, the journey of second contaminated fluid containing pollutant
Degree can be identical or different with the first pollution liquid, and repeats abovementioned steps, makes recycling inorganic agent and the second contaminated liquid
Petroleum contaminant hydrocarbon effect in body, to handle the second contaminated fluid.
In this way, can get the recycling inorganic agent after the step of this uses post-treatment agent in purifies and separates, it should
Recycling inorganic agent can be added in again in the second contaminated fluid, reach the recycling and reusing liquid inorganic agent to save place
Manage the effect of cost.
Embodiment 5
It please refers to shown in Fig. 4, embodiment 5 is similar to Example 4, and using identical first pollution liquid, difference is:
The inorganic agent that embodiment 5 uses is solid-state inorganic agent, weighs 5000 grams of solid-state inorganic agent and is placed in a filter device.At the solid-state
The addition weight for managing agent is the 500% of the first pollution liquid weight, and the main component of the solid-state inorganic agent is ethylene vinyl acetate second
Enoate copolymer resin particle has the effect of adsorbable petroleum contaminant hydrocarbon.
First pollution liquid is set to flow through the filter device containing solid-state inorganic agent, original is present in the hydrocarbon dirt of petroleum in liquid
Dye object effect can be shifted and is adsorbed on solid-state inorganic agent, therefore make the contaminated fluid after processing, be obtained once treated liquid
With use post-treatment agent, this using post-treatment agent include petroleum contaminant hydrocarbon and solid-state inorganic agent.
Then, the solid-state inorganic agent for being attached with petroleum contaminant hydrocarbon is taken out, by Petrocarbon in a manner of being centrifuged or squeeze
Hydrogen contamination object is separated from solid-state inorganic agent surface, obtains a recycling inorganic agent, achievees the effect that purify solid-state inorganic agent；
On the other hand, from the liquid after processing of solid-liquid separation in the mixture to be separated, the soil after processing is with gas phase
Chromatography/flame ion detection method measures petroleum contaminant hydrocarbon wherein included, and the concentration of TPH is less than 2mg/ in liquid after processing
L, therefore the content of TPH is lower than the content of TPH in first pollution liquid in the liquid after processing.
The recycling inorganic agent can make an addition to again in the second contaminated fluid, the kind of second contaminated fluid containing pollutant
Class and degree can be identical or different with the first pollution liquid, for example, first pollution liquid can be contaminated by diesel oil liquid, second
Contaminated fluid can be the liquid of crude oil pollution.Abovementioned steps are repeated, recycling solid-state inorganic agent and the second contaminated fluid are made
In petroleum contaminant hydrocarbon effect, to handle the second contaminated fluid.
In summary, the present invention not only can effectively deal with contaminated soil, liquid or solidliquid mixture, and provide back
The method for receiving liquid inorganic agent and solid-state inorganic agent, accordingly, processing Polluted Soil can be reduced by reusing liquid or solid-state inorganic agent
The cost of earth, to increase processing benefit.
Claims (11)
1. a kind of processing method for polluting mixture comprising:
One first pollution mixture and one second pollution mixture, the first pollution mixture and the second pollution mixture are provided
Respectively contain pollutant；
The first pollution mixture and an inorganic agent are mixed, the pollutant in the inorganic agent and the first pollution mixture is thus enabled
It acts on, one mixture to be separated of acquisition, containing once treated, mixture and one uses post-processing in the mixture to be separated
Agent, this contains the inorganic agent and the pollutant using post-treatment agent, which is a liquid inorganic agent or a solid-state inorganic agent；
From in the mixture to be separated the isolated mixture after processing and this use post-treatment agent, after making the use
Reason agent is to squeeze, be centrifuged, squeeze, distill, replace reaction, isolate a recycling inorganic agent in a manner of redox；
The recycling inorganic agent is enabled to be mixed with the second pollution mixture to handle the second pollution mixture, thus enabling should
Pollutant in recycling inorganic agent and the second pollution mixture acts on.
2. the method as described in claim 1, wherein the pollutant is hydrocarbon pollution object.
3. thus method according to claim 2 enables the inorganic agent with the inorganic agent wherein mixing the first pollution mixture
Acting on the step of obtaining the mixture to be separated with the pollutant includes:
The inorganic agent is the liquid inorganic agent, mixes the first pollution mixture and the liquid inorganic agent, thus enables at the liquid
It manages agent and the pollutant acts on, obtain the mixture to be separated；
Wherein from the mixture to be separated the isolated mixture after processing and this wrapped using the step of post-treatment agent
It includes:
From the mixture after processing of solid-liquid separation in the mixture to be separated and this use post-treatment agent, to squeeze, from
The heart, squeeze, distill, replacing reaction, redox mode recycles this and obtains the recycling inorganic agent using post-treatment agent.
4. method as claimed in claim 3, wherein the liquid inorganic agent be alkanes, ethers, alcohols, aldehydes, benzene class, ketone,
Halogenated alkane, halogenated alkanes, chlorofluorocarbons, haloform or combinations thereof object.
5. thus method according to claim 2 enables the inorganic agent with the inorganic agent wherein mixing the first pollution mixture
Acting on the step of obtaining the mixture to be separated with the pollutant includes:
The inorganic agent is the solid-state inorganic agent, mixes the first pollution mixture and the solid-state inorganic agent, thus enables at the solid-state
Reason agent and the pollutant act on and adhere to, and obtain the mixture to be separated；
Wherein from the mixture to be separated the isolated mixture after processing and this wrapped using the step of post-treatment agent
It includes:
From in the mixture to be separated to sieve, floating remove, fish out choosing or isolate the solid-state for being attached with the pollutant in a manner of filtering
Inorganic agent recycles the mode for squeezing, be centrifuged, squeeze, distilling or replacing reaction to separate and obtains the recycling inorganic agent；From
The mixture for obtaining this after processing is separated by solid-liquid separation in the mixture to be separated.
6. method as claimed in claim 5, wherein the inorganic agent is solid-state inorganic agent, and the material of the solid-state inorganic agent is poly- third
Alkene, ethylene vinyl acetate copolymer resin, graphene, sponge, oil absorbent material or combinations thereof object.
7. such as method described in any one of claims 1 to 6, wherein the mixing first pollution mixture and the inorganic agent by
This enables the inorganic agent act on the step of obtaining the mixture to be separated with the pollutant
The first pollution mixture, the inorganic agent and an additive are mixed, thus enables the inorganic agent and the pollutant act on, obtains
The mixture to be separated.
8. such as method described in any one of claims 1 to 6, wherein the first pollution mixture is a first pollution soil,
The second pollution mixture is one second contaminated soil, which is once treated soil.
9. method according to claim 8, wherein the concentration of the pollutant in soil after processing is less than the first pollution
The concentration of pollutant in soil.
10. such as method described in any one of claims 1 to 6, wherein the first pollution mixture is a first pollution liquid,
The second pollution mixture is one second contaminated fluid, which is once treated liquid.
11. method as claimed in claim 10, wherein to be less than this first dirty for the concentration of pollutant in the liquid after processing
The concentration of pollutant in dyestuff liquid.
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| TW107108442A TWI674931B (en) | 2018-03-13 | 2018-03-13 | Treatment method for contaminated mixture |
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| TWI674931B (en) | 2019-10-21 |
| TW201938284A (en) | 2019-10-01 |
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