CN102716725A - Adsorbent for adsorbing leaked aromatic chemical solvent and preparation method and application thereof - Google Patents
Adsorbent for adsorbing leaked aromatic chemical solvent and preparation method and application thereof Download PDFInfo
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- CN102716725A CN102716725A CN2012101665022A CN201210166502A CN102716725A CN 102716725 A CN102716725 A CN 102716725A CN 2012101665022 A CN2012101665022 A CN 2012101665022A CN 201210166502 A CN201210166502 A CN 201210166502A CN 102716725 A CN102716725 A CN 102716725A
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Abstract
The invention discloses an adsorbent for adsorbing a leaked aromatic chemical solvent and a preparation method and application thereof and provides an adsorbent which can rapidly adsorb the leaked aromatic chemical solvent and is convenient to recycle and environment-friendly as well as a preparation method and application of the adsorbent. The adsorbent consists of a silicon-aluminum-calcium-magnesium polymer having a porous inner structure, has a loose flowing fine particle shape, has extremely high physical irreversibility and adsorption capacity on the aromatic chemical solvent and has the characteristics of water resistance, non-inflammability, acid and alkali resistance and the like, and the saturated adsorption is up to over five times that the dead weight. The preparation method of the adsorbent comprises the following steps of: roasting at high temperature, cooling, siliconizing and pelleting acid glass lava raw material to prepare the finished adsorbent. During application, the adsorbent can be directly used for adsorption and can be made into cushions, bags and other various shapes from outer packing materials. After the adsorbent is used, the chemical solvent in the adsorbent particles is recovered by employing a distillation process.
Description
Technical field
The present invention relates to chemical solvent and leak the environmental protection processing technology field, particularly a kind of absorption leaked adsorbent and preparation method and the application that the aromatic hydrocarbons chemical solvent is used.
Background technology
The phenomenon of places, particularly toluene such as at present domestic chemical solvent production storage and transportation, xylenes, phenol, formaldehyde, chlorobenzene, gasoline, diesel oil, machine oil, the evaporating, emitting, dripping or leaking of liquid or gas of gear wet goods aromatic hydrocarbons chemical solvent happens occasionally.The chemical solvent leak of liquid accident that takes place in some major chemical companies is also of common occurrence:
Accident example on November 13rd, 1.2005, two benzene factories of Jilin Petrochemical company of PetroChina Company Limited. blast and cause 6 workmans missing, nearly 70 people of the wounded; What blast is this factory nitrated unit of aniline device, and the T-102 tower stops up, and it is not smooth to circulate; Because of dealing with improperly, blast.Monitoring finds that the benzene pollutant flows into Song Hua River afterwards, causes the water quality severe contamination for city along the river's water, also causes significant impact for the ecology of dog salmon.In addition, the large-scale reservoir jar of some laboratories ageing equipment, reasons such as corrosive pipeline also usually cause the chemical leakage accident of causing danger.Accident example 2. is broken such as Xiaoshan, Hangzhou in 2006 H of dyestuff chemistry Co., Ltd acid workshop 65 sulphur acid meter measuring tanks; Fall behind and science not in response to anxious processing scheme; Cause sulfuric acid to leak and produce the toxic gas sulfur trioxide, cause the major accident of 2 dead 3 wounds with air generation chemical reaction.About 22: 55 on the 4th in June, 3.2011 of accident example; A license plate number is mounted with the groove tank car of chemicals phenol for Zhejiang AM8993; In the way of leaving for the red cloud laboratory of dragon trip by the Shanghai Gaoqiao laboratory; When exporting in the intercommunication main road section (roam all around the would of S31 dragon is to 48 kilometers+200 meters) at a high speed through the Hang Xin scape highway Xinanjiang River vehicle rear-end collision accident taking place, causes part phenol to leak.Influence just as heavy rain during because of incident, cause part to leak phenol and flow into the Xinanjiang River, cause the part water body to be polluted with rainwater.After accident takes place; Jiande City, Hangzhou two-tier government start environmental emergency scheme immediately; Relevant departments such as environmental protection, Lin Shui, fire-fighting rush towards the scene very first time and dispose, and the phenol that leaks is adsorbed disposal with lime, prevent to pollute further diffusion; By at 12 o'clock at noon June 5, the scene of occurrence of traffic accident cleans out, and the groove tank car of leakage is dragged away from the scene, remains in on-the-spot part phenol and also obtains removing.In order to ensure downstream, Xinanjiang River water safety, Xinanjiang River dam strengthens the flood discharge water yield, quickens water body and upgrades.
Traditional processing mode is: when aromatic hydrocarbons chemical solvent leakage accident takes place; Emergency processing department generally all adopts the Hazardous Chemical Substances liquid that is leaked in material absorption such as lime, adsorptional earth, absorption are cotton, absorption paper or nertralizer or water flushing or the sandy soil covering accident; Defective with said method is a lot; At first be traditional sorbing material is difficult to recycling, and be to be cost with the environmental pollution of sacrificing the spot; Ecological environment of soil to the spot causes permanent damage, also is difficult to decades restore even if repair; If directly water flushing again after the neutralization, then danger article permeate soil or discharging river with water, and are more lasting to the harmful effect of local environment.The unscientific emergency method of this historical backwardness that forms is of long duration, and uses till today always.Under the strict environmental practice of country, domesticly brought into use high performance organic adsorption material in recent years, like synthetic organic polypropylene PP spray melting nonwoven sorbing material and fiber cotton; But exist price higher, the chance naked light is inflammable, produces poison gas; Be prone to the personnel of removing contamination and environment are caused serious harm and pollute; Under the inflammable and explosive characteristic of aromatic hydrocarbons chemical solvent, use dangerous, not environmental protection, the defective that the high especially grade of the cost of accident post processing is difficult to avoid.Also the up-to-date chemical solvent in import Europe leaks adsorption production at present, and its composition is an organic compound, and like SP-X series chemical leakage absorbent, but price is more expensive, and absorption per kilogram chemical solvent needs 180 yuan of costs.The product price ratio is low, and adsorbance is merely 0.75～1 times of own wt, and the rate of adsorption reaches 12 hours, handles the back residual reactant and becomes pasty state, and harmless treatment is a difficult problem especially.
Summary of the invention
Task of the present invention is to leak existing sorbing material to traditional processing aromatic hydrocarbons chemical solvent to be difficult to recycling; Can cause the defective and the existing processing chemical solvent of permanent damage to leak the existing cost height of employed sorbing material to the environmental ecology of spot; Meet the inflammable and generation poison gas of naked light; To the personnel of removing contamination with environment causes serious harm and the weak point of pollution etc.; Provide a kind of can be with the toluene that leaks, chlorobenzene, xylenes, ethylo benzene, hexachloro-benzene, phenol, cyclohexane, dioctyl phthalate, methyl alcohol, ethanol, gasoline, diesel oil, machine oil, gear wet goods aromatic hydrocarbons chemical solvent safety, efficient, adsorption rate fast; Recycle easy, rapid, economic environmental protection, adsorbent and method for making and the application that the aromatic hydrocarbons chemical solvent is used leaked in absorption with low cost.
The technical scheme that the present invention adopts is accomplished through following mode: a kind of absorption leaked the adsorbent that the aromatic hydrocarbons chemical solvent is used, and this adsorbent is made up of the sial calcium magnesium-polymer that internal structure is many micropores shape, and this adsorbent is loose mobile fine particulate, and the outward appearance of this adsorbent is a white granular; Do not have obvious peculiar smell, have nontoxic, noninflammability, high temperature resistant 1000 ℃; The anaerobic voltinism, non-explosive, non-corrosiveness; The pH value is neutral, acid and alkali-resistance, hydrophobic oil-wet behavior.
A kind of preparation of adsorbent method that the aromatic hydrocarbons chemical solvent is used of leaking of adsorbing; The raw material of preparation adsorbent adopts acid nature of glass lava; Acid nature of glass lava is put into high temperature furnace, obtain the adsorbent finished product after handling through high-temperature roasting, cooling, silication, granulation, packing.
Leak in the preparation of adsorbent method that the aromatic hydrocarbons chemical solvent uses in above-mentioned a kind of absorption, the high-temperature roasting temperature is 830 ℃～1100 ℃.
A kind ofly adsorb the application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses; The use amount of adsorbent is confirmed according to the chemical solution dosage that leaks; The aromatic hydrocarbons chemical solvent of the adsorbable 5L～6L of 1Kg adsorbent; Described adsorbent both can directly use according to the characteristics and the demands of different of emergency processing, also can or adopt PP spray melting nonwoven, SMS spray melting nonwoven etc. as housing material with the ordinary packing material; Describedly be granular adsorbent, re-use after processing the adsorbent package thing of different shapes such as streak, cushion, sheet, bar-shaped, bag shape as filler.
In above-mentioned a kind of absorption in the application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses; Large warehoused and when using the place that the chemical solvent leakage accident takes place at chemical solvent; Directly described adsorbent is sprinkling upon leak, or the adsorbent package thing is placed on leak, can adsorb the aromatic hydrocarbons chemical solvent of leakage pollution clean rapidly; Liquid aromatic hydrocarbons chemical solvent can very easy packing be cleared post processing after absorption becomes solid.
In above-mentioned a kind of absorption in the application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses; Described adsorbent is as the precautionary measures of the chemical solvent leakage in large-scale production of chemical solvent and storage place; With the adsorbent package thing be placed on chemical solvent production and storage and use around the place or near; So that when the chemical solvent leakage accident takes place, making it performance contains and suction-operated; Leakage jeopardizes the people life property safety when avoiding accident to take place, and stops polluted underground water or near environment, ensures that the security measure of Hazardous Chemical Substances zone meets anti-leak, fire prevention, safety requirements such as explosion-proof.
In above-mentioned a kind of absorption in the application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses; Described adsorbent is used for by the abatement processes of chemical solvent polluted-water; Near the source of sewage of chemical solvent open type filter pond or filtration tank are set contaminated; The full described adsorbent of filling in this filter; At the filter intake-outlet filter screen more than 100 orders is set all when using described adsorbent, the absorbent particles in the restriction filter flows out and stops the solid sundries in the cesspool to get into filtering ponds, adopts tube connector that the source of sewage delivery port is fixedlyed connected with filtering ponds; When the effluent stream of source of sewage during through this filter, chemical solvent wherein can be adsorbed rapidly by described absorbent particles material rapidly in about 5～10 minutes under certain hydraulic pressure.
In above-mentioned a kind of absorption in the application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses; Described adsorbent is used for by the mobile water surface abatement processes of chemical solvent pollution; When chemical solvent accidental release accident took place on lake surface or the river, at the Polluted area elder generation spreading oil fence, oil fence two ends were fixed on bank or the auxiliary ship; Cooperate control leakage pollution scope with the ship of removing contamination after; Drop into described absorbent particles material or described adsorbent package thing in the water surface of chemical solvent habitat by the staff that removes contamination on the ship of removing contamination again, the quantitative requirement of input can be covered with the water surface, make its automatically absorption leak the chemical solvent that swims in the water surface; The about 10-30 of adsorption time minute; Just can will adsorb saturated described absorbent particles material or described adsorbent package thing is salvaged with easy method then, the contaminated water surface can recover original cleaning this moment, basically residual minim aromatic hydrocarbons chemical solvent not.
In above-mentioned a kind of absorption in the application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses; Described adsorbent is used for the aromatic hydrocarbons gas of absorbed air; In the place that produces, stores, uses volatile aromatic hydrocarbons chemical solvent; Use described adsorbent, when volatile aromatic hydrocarbons chemical solvent is released in the atmosphere of production, storage and field of employment, can effectively be absorbed and adsorb by described adsorbent; Reduce the aromatic hydrocarbons chemical solvent escaping gas concentration in the atmosphere greatly, keep pure and fresh degree, cleannes, raising environmental safety to play positive role the surrounding air of the production of chemical solvent, storage, field of employment.
In above-mentioned a kind of absorption in the application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses; Processing method after described adsorbent uses: the absorbent particles of said absorption aromatic hydrocarbons chemical solvent is put into turret; Through high steam the chemical solvent in the absorbent particles is carried out distillation extraction and reclaim, carry out after the dried promptly reusable to the absorbent particles behind the distillation extraction again.
The absorbent particles material that leakage aromatic hydrocarbons chemical solvent is used is adsorbed in the present invention; It is a kind of many micropores of inorganic mineral sial calcium magnesium-polymer; Have and toluene, xylenes, diesel oil, machine oil, phenol, cyclohexane, dioctyl phthalate etc. are let out chemical solvent have extremely strong adsorption capacity; Saturated extent of adsorption can reach five times of own wt, has physics irreversibility absorption and nontoxic, tasteless, characteristics such as fire prevention is not fired, explosion-proof, anaerobic voltinism, non-corrosiveness.
A kind of absorption leaked adsorbent and preparation method and the application that the aromatic hydrocarbons chemical solvent is used in the present invention, has following outstanding characteristics:
1, use method of the present invention to handle liquid Hazardous Chemical Substances leakage accident, have the characteristic of physics Irreversible Adsorption, the pollutant that is adsorbed can be not diluted and overflow, and avoids causing secondary pollution; If meet heavy rain, as use traditional sorbing material when chemical solvent leaks, this moment, chemical solvent can overflow contaminated site with the rainwater dilution, made near the river water source of pollution sources expanding to.Use adsorbent of the present invention just can guarantee can not cause secondary pollution.
2, in chemical solvent production, storage and use the leakage in place careless when on fire, use this patent method when leakage is cleaned out in absorption, can also play the unforeseeable effect and the effect of the oxygen blocking-up burning things which may cause a fire disaster that suffocates, prevent spreading of fire.
3, be used for water surface chemical solvent and pollute handle after, the contaminated water surface can recover original cleaning, and aquatic fish are not produced any unfavorable or few influence; If handle water surface chemical solvent contamination accident with traditional chemical neutralisation, biologies such as aquatic fish algae then can be dead by whole murders by poisoning.
4,, the production that volatile aromatic hydrocarbons chemical solvent is arranged uses absorbent particles of the present invention in storing the place; Can effectively absorb and adsorb the aromatic hydrocarbons chemical solvent and continue to be released in airborne aromatic hydrocarbons gas; Reduce airborne aromatic hydrocarbons chemical solvent escaping gas concentration greatly, the surrounding air that the production of chemical solvent is stored the place keeps pure and fresh degree, cleannes, raising environmental safety to play unforeseeable effect.
The specific embodiment
Below by embodiment the present invention is adsorbed and to leak adsorbent that the aromatic hydrocarbons chemical solvent uses and preparation method and application and be described further.
Embodiment 1
The cesspool that area is about 200 square metres; The chemical solvent toluene of floating one deck 2 cm thicks on the face of pond; Cleaning method: the adsorbent package thing that adsorbent of the present invention is processed cushion or sheet or bag shape is shed and is covered with on the water surface of pond; Because adsorption particle material hydrophobic, light specific gravity, bulk density is merely 0.080～0.200g/cm
3, the adsorbent package thing floats on the water surface, can adsorb the toluene on the floating water surface rapidly, is adsorbed fully after about 10-30 minute totally, and the adsorbent package thing that will adsorb toluene is then salvaged clean-up operation, concentrates in the refuse bag of packing into and carries out post processing.The water surface after the absorption does not have the pollution of above-mentioned chemical solvent basically fully.
Embodiment 2
The cesspool that area is about 200 square metres; The toluene of floating one deck 2 cm thicks on the face of pond; Cleaning method: after the operating personnel that remove contamination have dressed protective articles such as protective gloves, safety goggles; Absorbent particles directly just of the present invention is shed and is covered with on the water surface of pond, and is can be rapidly that pollutant absorption is clean, inhales fusion and can use after solid absorbent particles that the above filter screen of 100 orders will adsorb toluene to collect to pack to clear post processing; The absorbent particles use amount is confirmed according to the amount of the toluene of need absorption and the area in waters, the toluene solvant of the adsorbable cleaning of 1Kg absorbent particles 5L～6L.The water surface after the adsorption treatment does not have the pollution of chemical solvent basically fully.
Embodiment 3
In order to prevent liquid dangerous material tank leak thing polluted underground water of chemical solvent or near environment; Ensure the safety in storage tank zone; Large warehoused and use the place the liquid dangerous material leakage accident of chemical solvent to take place must emergency processing the time at chemical solvent; Absorbent particles of the present invention is evenly spread fertilizer over the fields in fire wall on the ground absorption cleaning leakage rapidly, and liquid can be packed absorbent particles and clear post processing after absorption is become solid.Absorbent particles can also play the fire extinguishing effect of the oxygen blocking-up burning things which may cause a fire disaster that suffocates in absorption leakage pollution thing.Traditional sorbing material such as sand, activated carbon, felt, behind the absorption chemical solvent, meet water because of it and can dilute, can flow away with rainwater, expand pollution sources to river, soil etc. are located.And with behind the absorbent particles absorption chemical solvent of the present invention; It is Irreversible Adsorption that chemical solvent is attracted in the absorbent particles of the present invention; Thereby can also can not be dissolved in the water again, thereby guarantee to have prevented the expansion of chemical solvent pollution sources effectively and spread for the second time by the rainwater dilution.If the chemical solvent leakage flow is big; The adsorbent package thing of then must be earlier processing bar-shaped or strip with adsorbent of the present invention is contained; Adsorb prune job again; The adsorbent package thing of earlier processing bar-shaped or strip with adsorbent of the present invention surrounds the leakage region periphery and prevents to pollute further diffusion, and then absorbent particles of the present invention is spread fertilizer over the fields the pollutant that leaks in leak absorption, prevents that liquid from outflowing and fire spread.Also can place in advance process bar-shaped or strip with adsorbent of the present invention adsorbent package thing pad under the chemical solvent pipeline valve, a small amount of chemical solvent leakage of absorption under the run, drip, leak accomplishes that precautions averts perils.Avoid storage tank chemical solvent leakage polluted underground water territory or near environment, ensure Hazardous Chemical Substances region conforms anti-leak, fire prevention, safety requirements such as explosion-proof.
Embodiment 4
The filtering ponds of 5 cubes of volumes are set on one the 50 cubes sewage pool sides that contain toluene solvant; The about 500Kg of filling absorbent particles of the present invention in the filtering ponds; The about 2500Kg toluene solvant of adsorbable filtration; Promptly 5 cubic metres filtering ponds of a filling 500Kg absorbent particles of the present invention can effectively filter 1250 tons of sewage, and about 50-100 centimetre of filtering ponds intake-outlet diameter is provided with the above filter screen of 100 orders; Prevent the particle outflow in the filtering ponds and stop the solid sundries in the cesspool to get into filtering ponds, use tube connector that the cesspool delivery port is fixedly connected with filtering ponds.Effluent stream in the cesspool is when filtering ponds, and toluene solvant wherein will be by the rapid adsorption filtration of absorbent particles of the present invention, and water purification is discharged and supplied recycle.
Embodiment 5
The experiment of absorbent particles absorption water surface diesel oil of the present invention.Select a 30cm * 50cm * 30cm clear glass cylinder for use; In glass jar, pour into clear water, 1L diesel oil is poured in the glass jar clear water, because diesel oil density is 0.84Kg/L; Density less than water; So the diesel oil of pouring into is bubbled through the water column, and absorbent particles material proportion of the present invention is very light, bulk density is merely 0.080～0.200g/cm
3, can float on equally on the water surface, slowly spread 200g absorbent particles of the present invention on the water surface this moment; Particle is after touching the diesel oil of the water surface; With its absorption, because the strong adsorption capacity and the characteristic thereof of absorbent particles of the present invention, it is Irreversible Adsorption that diesel oil is attracted in this absorbent particles rapidly; Thereby can not be released out for the second time; Can not be dissolved in the water more yet, thereby guarantee to have prevented the expansion in contaminated by diesel oil source effectively and spread, adsorb saturated absorbent particles after 5-10 minute fully and be the yellowish-brown shape; Use the absorbent particles after the above filter screen of 100 orders or the string bag pick up saturated absorption diesel oil then, concentrate in the refuse bag of packing into and carry out post processing.
Embodiment 6
The experiment of absorbent particles adsorbed water vizard benzene of the present invention.Select a 30cm * 50cm * 30cm clear glass cylinder for use; In glass jar, pour into clear water, 1L toluene is poured in the glass jar clear water, because toluene density is 0.866Kg/L; Density less than water; So the toluene of pouring into is bubbled through the water column, and absorbent particles material proportion of the present invention is very light, bulk density is merely 0.080～0.200g/cm
3, can float on equally on the water surface, slowly spread 200g absorbent particles of the present invention on the water surface this moment; Particle is after touching the toluene of the water surface, rapidly with its absorption, because the strong adsorption capacity and the characteristic thereof of absorbent particles of the present invention; It is Irreversible Adsorption that toluene is attracted in this absorbent particles, thereby can not be released out for the second time, also can not be dissolved in the water again; Thereby guarantee to have prevented the expansion in toluene concentration source effectively and spread; Toluene is adsorbed the absorption of agent particle fully after 5～10 minutes, uses the absorbent particles after the above filter screen of 100 orders or the string bag pick up saturated absorption toluene then, concentrates in the refuse bag of packing into and carries out post processing.
Embodiment 7.
Absorbent particles of the present invention adsorbs the experiment of aromatic hydrocarbons gas purified petroleum benzin in enclosure space.Prepare 3 1m
3Glass Laboratory Module: 2, one blank contrasts cabin 3, a sample chamber of the present invention 1, one active bamboo contrast cabin.Start temperature and humidity control device, make the interior temperature of 3 Laboratory Modules reach 20 ± 2 ℃, relative humidity reaches 50 ± 10%.Absorbent particles 50 grams of the present invention are put into cabin 1, active bamboo 3500 grams are put into cabin 2.3 glass plates are put into cabin 1, cabin 2,3 bottoms, cabin respectively, and each cabin injection 3 ± 0.25 μ L of airtight back analyze purified petroleum benzin reagent, airtight injection orifice.Gather its concentration of gas test in the cabin behind the airtight 1h, this concentration is initial concentration, gathers in the cabin gas behind the 24h and tests its concentration, and this concentration is termination concentration.Open fan 30min before gathering gas, close during sampling.Test item is to the purified petroleum benzin purification efficiency.Testing result sees the following form:
Above-mentioned detecting instrument device name: 1026 couples of gas circuit air sampler QC-2; 1050 gas chromatographs-mass spectrometry; 1046 automatic thermal desorption appearance.Detect foundation: with reference to JC/T1074-2008 " function of purifying indoor air coating material purifying property "; GB/T18883-2002 " IAQ standard ".Can know from above detection data; Analyze purified petroleum benzin reagent 24h in 1 cubic metre of closed glass cabin at same isothermal, damp condition held 3 ± 0.25 μ L, absorbent particles 50 grams of the present invention significantly are superior to the effect of active bamboo 3500 grams to the clean-up effect of purified petroleum benzin escaping gas; If the net content with sample is calculated, absorbent particles of the present invention to the air purification effect of benzene greater than more than 35 times of active bamboo.Angle from practicality; 12 square metres of areas; The closed room volume that height is 3 meters is about 36 cubic metres space; Calculate if discharge the escaping gas of the benzene of 0.1ml every day with furniture paint timber, with 3.5 kilograms of contamination hazards that just can effectively purify benzene of absorbent particles of the present invention; If the words with active bamboo just need 350 kilograms at least.And the bamboo charcoal of in the room of one 12 square meter, placing 350 kilograms is used for adsorbing the harm of benzene and does not obviously have practicality.Above-mentioned description of test adsorption particle of the present invention is used for absorption leakage volatility aromatic hydrocarbons chemical gas can play unforeseeable effect.
Claims (10)
1. one kind adsorbs the adsorbent that leakage aromatic hydrocarbons chemical solvent is used; It is characterized in that this adsorbent is made up of the sial calcium magnesium-polymer that internal structure is many micropores shape; This adsorbent is loose mobile fine particulate; The outward appearance of this adsorbent is a white granular, does not have obvious peculiar smell, has nontoxic, noninflammability, high temperature resistant 1000 ℃, anaerobic voltinism, non-explosive, non-corrosiveness, pH value neutrality, acid and alkali-resistance, hydrophobic oil-wet behavior.
2. a kind of absorption according to claim 1 leaked the adsorbent that the aromatic hydrocarbons chemical solvent is used; It is characterized in that described preparation of adsorbent method is: the raw material of preparation adsorbent adopts acid nature of glass lava; Acid nature of glass lava is put into high temperature furnace, obtain the adsorbent finished product after handling through high-temperature roasting, cooling, silication, granulation, packing.
3. a kind of absorption according to claim 2 leaked the preparation of adsorbent method that the aromatic hydrocarbons chemical solvent is used, and it is characterized in that the high-temperature roasting temperature is 830 ℃～1100 ℃.
4. a kind of absorption according to claim 1 leaked the adsorbent that the aromatic hydrocarbons chemical solvent is used; It is characterized in that the application of described adsorbent; The use amount of adsorbent is confirmed according to the chemical solution dosage that leaks, the aromatic hydrocarbons chemical solvent of the adsorbable 5L～6L of 1Kg adsorbent, and described adsorbent is according to the characteristics and the demands of different of emergency processing; Both can directly use; Also can or adopt PP spray melting nonwoven, SMS spray melting nonwoven etc., describedly be granular adsorbent, re-use after processing the adsorbent package thing of different shapes such as streak, cushion, sheet, bar-shaped, bag shape as filler with the ordinary packing material as housing material.
5. a kind of application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses of adsorbing according to claim 4; It is characterized in that large warehoused and when using the place that the chemical solvent leakage accident takes place at chemical solvent; Directly described adsorbent is sprinkling upon leak, or the adsorbent package thing is placed on leak, can adsorb the aromatic hydrocarbons chemical solvent of leakage pollution clean rapidly; Liquid aromatic hydrocarbons chemical solvent can very easy packing be cleared post processing after absorption becomes solid.
6. a kind of application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses of adsorbing according to claim 4; It is characterized in that the precautionary measures of described adsorbent as the chemical solvent leakage in large-scale production of chemical solvent and storage place; With the adsorbent package thing be placed on chemical solvent production and storage and use around the place or near, when the chemical solvent leakage accident takes place, make it to bring into play and contain and suction-operated.
7. a kind of application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses of adsorbing according to claim 4; It is characterized in that described adsorbent is used for by the abatement processes of chemical solvent polluted-water; Near the source of sewage of chemical solvent open type filter pond or filtration tank are set contaminated; The full described adsorbent of filling in this filter; At the filter intake-outlet filter screen more than 100 orders is set all when using described adsorbent, the absorbent particles in the restriction filter flows out and stops the solid sundries in the cesspool to get into filtering ponds, adopts tube connector that the source of sewage delivery port is fixedly connected with filtering ponds; When the effluent stream of source of sewage during through this filter, chemical solvent wherein can be by described absorbent particles material absorption.
8. a kind of application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses of adsorbing according to claim 4; It is characterized in that described adsorbent is used for the mobile water surface abatement processes of being polluted by chemical solvent; When chemical solvent accidental release accident takes place on lake surface or the river when; At the Polluted area elder generation spreading oil fence; Oil fence two ends are fixed on bank or the auxiliary ship, cooperate control leakage pollution scope with the ship of removing contamination after, drop into described absorbent particles material or described adsorbent package thing in the water surface of chemical solvent habitat by the staff that removes contamination on the ship of removing contamination again; The quantitative requirement that drops into can be covered with the water surface; Make its automatically absorption leak the chemical solvent that swims in the water surface, the about 10-30 of adsorption time minute, just can will adsorb saturated described absorbent particles material or described adsorbent package thing is salvaged then with easy method.
9. a kind of application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses of adsorbing according to claim 4; It is characterized in that described adsorbent is used for the aromatic hydrocarbons gas of absorbed air; In the place that produces, stores, uses volatile aromatic hydrocarbons chemical solvent; Use described adsorbent, when volatile aromatic hydrocarbons chemical solvent is released in the atmosphere of production, storage and field of employment, can effectively be absorbed and adsorb by described adsorbent.
10. according to claim 4 or 5 or 6 or 7 or 8 or 9 described a kind of application of leaking the adsorbent that the aromatic hydrocarbons chemical solvent uses of adsorbing; It is characterized in that the processing method after described adsorbent uses is: the absorbent particles of said absorption aromatic hydrocarbons chemical solvent is put into turret; Through high steam the chemical solvent in the absorbent particles is carried out distillation extraction and reclaim, carry out after the dried promptly reusable to the absorbent particles behind the distillation extraction again.
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| CN107253766A (en) * | 2017-08-08 | 2017-10-17 | 黄建社 | Polymer composite ecoscape floating body with sewage purification repair function |
| CN107282014A (en) * | 2017-07-17 | 2017-10-24 | 黄建社 | The Bacillus thuringiensis subsp. israelensis floatation pad of toxic chemical substance in water can be adsorbed |
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| CN106215615A (en) * | 2016-08-03 | 2016-12-14 | 福瑞莱环保科技（深圳）有限公司 | A kind of sub-preparation method and applications of absorption with absorption and degradation function |
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| CN107253766A (en) * | 2017-08-08 | 2017-10-17 | 黄建社 | Polymer composite ecoscape floating body with sewage purification repair function |
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