WO2002042017A1 - Particules adsorbantes, procede de preparation et procede de traitement des sols pollues par les hydrocarbures a l'aide desdites particules - Google Patents
Particules adsorbantes, procede de preparation et procede de traitement des sols pollues par les hydrocarbures a l'aide desdites particules Download PDFInfo
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- WO2002042017A1 WO2002042017A1 PCT/FR2001/003630 FR0103630W WO0242017A1 WO 2002042017 A1 WO2002042017 A1 WO 2002042017A1 FR 0103630 W FR0103630 W FR 0103630W WO 0242017 A1 WO0242017 A1 WO 0242017A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/264—Synthetic macromolecular compounds derived from different types of monomers, e.g. linear or branched copolymers, block copolymers, graft copolymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/2803—Sorbents comprising a binder, e.g. for forming aggregated, agglomerated or granulated products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3206—Organic carriers, supports or substrates
- B01J20/3208—Polymeric carriers, supports or substrates
- B01J20/321—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3206—Organic carriers, supports or substrates
- B01J20/3208—Polymeric carriers, supports or substrates
- B01J20/3212—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3244—Non-macromolecular compounds
- B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
- B01J20/3248—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/32—Materials not provided for elsewhere for absorbing liquids to remove pollution, e.g. oil, gasoline, fat
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- 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/681—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of solid materials for removing an oily layer on water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
Definitions
- Adsorbent particles method of preparation and method of treatment of soils polluted by hydrocarbons using said particles.
- the present invention relates to adsorbent particles made from expanded plastics, said particles comprising cellular structures open at the surface.
- the present invention also relates to a process for the preparation of said adsorbent particles.
- the present invention finally relates to a process for treating soils polluted by hydrocarbons.
- the present invention relates to a method of cleaning soil polluted by hydrocarbons in which a receiving phase is used which consists of adsorbent particles of expanded plastic material, and said polluted soils are brought into contact with said receiving phase, then proceeds to separate said receiving phase charged with said aliphatic or aromatic hydrocarbons.
- oil is understood here to mean any type of earth or sand and other granular material, in particular mineral or vegetable.
- the present invention relates to the depollution by hydrocarbons originating from mineral oils such as petroleum, but also from any other animal or vegetable fat and / or chemical product comprising hydrocarbons.
- the expanded polymers or copolymers are in the form of agglomerated beads and are formed at the microscopic level by molecular chains in a network forming cells, cells or micro-cavities closed in the mass of the material and on the surface, said surface being closed and smooth.
- expanded plastics these are presented after expansion in the form of 2 to 5 mm balls, with smooth surfaces, that is to say the cellular structures of polymer network are closed on the surface. These smooth surface particles are ground to form adsorbent particles.
- EP 878 501 it is specified to use particles of size from 5 to 20 mm for expanded plastics, in particular balls of 8 mm in diameter made of polystyrene or expanded copolymer of styrene with olefins.
- the adsorbent particles are obtained by mechanical grinding.
- Various types of grinding process are cited.
- EP 878 501 to obtain particles of 8 mm, grinding is carried out by cutting pieces necessarily comprising particles made up of portions of agglomerated balls, more particularly grinding consists in cutting.
- the inventor has discovered that, surprisingly, by using shavings obtained by grating, the adsorbent capacity is considerably increased compared to shavings obtained by mechanical grinding.
- an improved depollution process is obtained by using adsorbent particles of expanded materials which have obtained by grating, that is to say using an industrial apparatus consisting of a plate in the form of a disc bristling with roughness which serves to reduce a material into fine chips when it is mechanically pressed against said rotating plate, said chips preferably having a diameter of 0.8 to 4 mm.
- the present invention therefore provides a process for the preparation of adsorbent particles made from expanded plastics comprising cellular structures open on the surface, characterized in that a grating of chips, preferably of dimension 0.8 to 4 mm, is carried out. , more preferably 2 to 3 mm, from a material consisting of agglomerated beads of said expanded material, more preferably beads 2 to 5 mm in diameter.
- grating is understood here to mean the mechanical operation consisting in mechanically pressing said material against a rotating disc, the disc comprising perforations surmounted by asperities.
- dimension ranging from 0.8 to 4 mm is meant here the largest dimension of the particle.
- said chips are obtained by grating materials from expanded packaging waste preferably cut into strips; especially strips 2 to 10 cm thick.
- the present invention also provides adsorbent particles obtained by the process according to the invention.
- the present invention provides adsorbent particles made from expanded plastic comprising cellular structures open on the surface, characterized in that they are present under form of chips, preferably with a size of 0.8 to 4 mm, and said open honeycomb structures represent more than 75%, preferably more than 80% of the surface of said chips.
- the surface area of the open cell structures visible on the surface of the chips represents more than 80% of the area of the surface of the chips seen under the electron microscope.
- said expanded plastic material is preferably made of polystyrene or polyolefin polymers with olefin monomers of 1 to 8 carbon atoms, preferably of 2 to 4 carbon atoms, or copolymers of styrene with olefin monomers of 1 to 8 carbon atoms, preferably 2 to 4 carbon atoms.
- the particles according to the invention consist of polymers or copolymers chosen from polystyrene, polyethylene, polypropylene or the copolymers of styrene and ethylene or copolymers of styrene and propylene.
- the adsorbent particles consist of a mixture of particles consisting of polymers and / or copolymers different according to the particles. More particularly, the adsorbent particles according to the invention comprise 20 to 50% of particles made of expanded polystyrene polymers, the rest being made up of particles of polymers or copolymers chosen from polyethylene, polypropylene, styrene and ethylene copolymers and copolymers styrene and propylene. More particularly still, the adsorbent particles according to the invention comprise at least 30% of polypropylene particles or of styrene and propylene copolymers.
- the adsorbent particles according to the invention are coated on the surface with polyols in the form of a film obtained by nebulization of a solution comprising said polyols such as glycol and glycerol and optionally in mixture with a food alcohol such than ethanol.
- the present invention also provides a process for treating soils polluted by hydrocarbons, characterized in that the following steps are carried out:
- a spinning step is carried out by centrifuging said adsorbent particles loaded with hydrocarbons allowing said hydrocarbons to be extracted therefrom and said adsorbent particles are recycled in mixture with said polluted soils.
- an amount of adsorbent particles is used such that the volume ratio between the volume of said particles and the volume of said hydrocarbons to be extracted is from 1 to 1.8.
- the method according to the invention makes it possible to clean up soils polluted by any type of hydrocarbon, whether it be light hydrocarbons, such as petrol and diesel oil or heavy hydrocarbons such as heavy fuels, or even waxy, or in the form of solid residues.
- hydrocarbon whether it be light hydrocarbons, such as petrol and diesel oil or heavy hydrocarbons such as heavy fuels, or even waxy, or in the form of solid residues.
- a preliminary step of fluidization of said polluted soils is carried out, by mixing with a hydrocarbon of viscosity lower than that of the polluting hydrocarbons contained in said polluted soils, preferably a light liquid hydrocarbon of the gas oil type.
- an installation comprising from upstream to downstream: a) a mixer comprising kneading means such as plowshares in which said polluted soils and said adsorbent particles are mixed, and b) the separation of said adsorbent particles loaded with hydrocarbons and decontaminated soils in a settling tank containing water and preferably provided with mixing means and means promoting the recovery of said adsorbent particles floating on the surface and said depolluted soils at the bottom of said settling tank.
- the various steps are carried out at ambient temperature.
- the depolluted soils obtained after separation of said receiving phase loaded with said hydrocarbons contain a weight content of hydrocarbons of less than 200 ppm.
- FIG. 1 represents a schematic drawing of a photograph with an electron microscope of the surface of a chip obtained by grating in Example 1.
- FIG. 2 represents a diagram of an installation for decontaminating miss soils implemented in Example 2.
- Example 1 Preparation of adsorbent particles.
- the particles were obtained from recovered materials taken from recycling centers such as packaging based on expanded packaging waste.
- the waste was cut into strips 100 mm wide and then grated using a device such as kitchen utensils for communities used for grating vegetables, with a horizontal disc perforated with perforations of 2, 5 mm bristling with roughness to reduce waste into fine chips of larger dimensions between 0.8 and 4 mm.
- Industrial raspers are also available and known to those skilled in the art.
- the size of the grating disc perforations is smaller than the dimension of the balls by 3 mm because they can unclog during grating when they are mechanically pressed against the rotating disc. This minimum chip size has been deduced after various tests revealing the advantage of obtaining chips in this range of dimensions in terms of adsorbing power.
- the particles obtained by grating can consist of a piece of ball or of several agglomerated pieces. It is understood that the shape of the particles is such that they comprise a smaller dimension (width) less than the size of the perforations of the disc and that, on the other hand, their largest dimension (length) can be slightly greater than the diameter of the perforations of the disk.
- the tables below bring together different results of measurement of the adsorbing power carried out with particles made up of different polymers and in ground or grated forms.
- the ground particles were obtained by grinding using knife mills of the ROTOFLEX® type sold by the company ALPINE (Germany). Again, plastic sheets were crushed in the form of agglomerated balls with a closed and smooth surface.
- the adsorbing power was measured according to the following experimental protocol.
- the adsorbent capacity measured in grams of oil, per grams of polymer particles is calculated by the formula:
- Adsorption capacity (g / g) P - 1, 5
- the advantage of the mixture consisting of 40% of polystyrene, 30% of polyethylene and 30% of polypropylene is to have a high adsorbent power, close to polystyrene while retaining a good resistance to the power of dissolution of certain hydrocarbons such as aromatics, this which is not the case with polystyrene.
- Polypropylene has a high adsorption capacity, but its rarity in landfills prevents that we can have large stocks and therefore to use it alone.
- An electron microscope analysis shows, as shown diagrammatically in FIG. 1, that the grating optimizes the opening of the network of polymers and the formation of micro cavities or alveolar structures open on almost all of the surfaces constituting the different faces of said chips.
- the surface of the open cell openings represents more than 80% of the surface of the chips, as it appears seen under the electron microscope.
- the openings of the open cells (A) appear in black on the photomicrograph and are represented in white, and the solid parts of the polymer network (B) appear in white on the microphotography and are represented by hatching.
- the particles obtained by grinding also viewed with an electron microscope revealed that said open honeycomb structures did not represent more than 50%, or even less than 30%, of the surfaces constituting the different faces of the particles.
- the grinding includes a prior compacting step which crushes the honeycomb structures and these are only visible on the faces corresponding to the cut portions, the other faces being closed smooth surfaces.
- the grating operation has therefore considerably increased the number of open honeycomb structures or micro-cavities and therefore of the hydrocarbon attachment sites, thereby increasing the adsorbing capacity of the particles with respect to the hydrocarbons.
- Example 2 - Soil remediation The process consists in bringing polluted earth or sands into contact with a receiving phase consisting of expanded packaging waste having undergone a grating treatment giving them extractive properties with respect to hydrocarbons. The mixture is then separated into two phases: the receiving phase of the hydrocarbon and the phase containing the cleaned earth or sands. The last step of the process consists in regenerating the receiving phase made up of recovery materials taken from recycling centers such as packaging based on expanded packaging waste. This invention is therefore also an outlet for the recycling of these very light and bulky materials which interfere with selective sorting. To eliminate the most important waste (wood, scrap, stones ...) a soil screening operation is carried out upstream, followed by possible crushing of the stones to a particle size of 4 to 6 mm.
- the first operation therefore consists of screening the land and storing it on a storage area.
- a soil preparation operation may prove essential; it can consist in making it fluid if it is polluted by very viscous heavy hydrocarbons. Fluidification is obtained by adding a liquid hydrocarbon, the specifications of which must take account of the European Recommendation of March 1999 on the reduction of VOCs and the flash point.
- the pretreatment consists in reducing the plasticity by adding an appropriate amendment.
- the earth is then introduced into a crusher 2 and conveyed by an endless screw 3 inside a mixer 4 with plowshares with a capacity of 6 m 3 .
- 4 m 3 of polluted soil were mixed with 0.3 m 3 of adsorbent particles, which represented a volume ratio of adsorbent particles / volume of polluting hydrocarbons of 1.8, the pollutant representing approximately 4 to 5% of the volume of polluted soils.
- a mixture was produced for at least 7 minutes, preferably 10 minutes.
- the mixture used for nebulization comprises a mixture of glycol, glycerol and food alcohol such as ethanol. This mixture is pumped into tank 5. Comparative tests have shown that nebulization using supersonic nozzles makes it possible to produce a mist of very fine particles, which results in a better distribution of the coating on the ball, and a more large increase in adsorption capacity than by simple spraying. In the installation of FIG. 2, the adsorbent particles are activated by nebulization of the polyol film before mixing and introduction into the mixer.
- a variant of the process consists in nebulizing the chips within the mixer 4 itself.
- the polluted soils are also activated by the polyols.
- the mixture thus obtained is poured into the separation settling tank 7 containing water at constant level and provided with plowshares to optimize the separation of the particles and the soils and transport the decanted soils to an extraction screw.
- a density difference separation is carried out: the shavings coated with hydrocarbons are unsinkable and float in surface, and the clean sand is decanted into the bottom of the tank 7.
- a bucket belt 8 makes it possible to evacuate the chips floating on the surface of the tank.
- a tank 9 receives the shavings loaded with hydrocarbons, a worm ensures the distribution of these to the extractors 10, called “salad baskets" carrying out a centrifugation at least 900g "G" At the exit of the extractors the hydrocarbons are stored in the bin 13.
- the worm 1 1 makes it possible to evacuate the clean sands or earth which are collected in the reception bin 12.
- the water recovered in the bin 14 is recycled in the separation bin by a line of return 16.
- the valve 19 regulates the outlet flow to the aqueous effluent network
- the inlet valve 18 compensates for the losses due to the wet withdrawal of sands or soils and to the outlet to the aqueous effluent.
- An explosion-proof electrical control unit 20 makes it possible to start and stop the various units of the installation.
- the receiving phase can be recycled a hundred times and then upgraded at a rate of 15% of the mass in asphalt road coatings. This operation considerably reduces noise pollution due to road traffic (over 70% of the initial level).
- the invention provides a method of regenerating soils (earth or sand)
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- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Soil Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01997368A EP1341620A1 (fr) | 2000-11-23 | 2001-11-20 | Particules adsorbantes, procede de preparation et procede de traitement des sols pollues par les hydrocarbures a l'aide desdites particules |
AU2002220800A AU2002220800A1 (en) | 2000-11-23 | 2001-11-20 | Adsorbent particles, preparation method and treatment of soils polluted by hydrocarbons using said particles |
US10/432,555 US6860679B2 (en) | 2000-11-23 | 2001-11-20 | Adsorbent particles preparation method and treatment of soils polluted by hydrocarbons using said particles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR00/15116 | 2000-11-23 | ||
FR0015116A FR2816855B1 (fr) | 2000-11-23 | 2000-11-23 | Procede de regeneration des sols pollues par les hydrocarbures a base de dechets provenant du recyclage des emballages expanses |
Publications (1)
Publication Number | Publication Date |
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WO2002042017A1 true WO2002042017A1 (fr) | 2002-05-30 |
Family
ID=8856785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/FR2001/003630 WO2002042017A1 (fr) | 2000-11-23 | 2001-11-20 | Particules adsorbantes, procede de preparation et procede de traitement des sols pollues par les hydrocarbures a l'aide desdites particules |
Country Status (5)
Country | Link |
---|---|
US (1) | US6860679B2 (fr) |
EP (1) | EP1341620A1 (fr) |
AU (1) | AU2002220800A1 (fr) |
FR (1) | FR2816855B1 (fr) |
WO (1) | WO2002042017A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2860732A1 (fr) * | 2003-10-10 | 2005-04-15 | Naturam Technologies | Procede de preparation d'une matiere adsorbante et installation pour la mise en oeuvre du procede |
FR2872719A1 (fr) * | 2004-07-07 | 2006-01-13 | Ecs Sa Ecological Cleaning Sol | Procede universel de regeneration des sols pollues par tout type d'hydrocarbures, fonctionnant a froid, sur site et permettant d'utiliser polluant et matrice de transfert en un excellent combustible |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004013827A1 (de) * | 2004-03-16 | 2005-10-06 | Bulling, Walter | Verfahren zum Herstellen eines Elementes aus weichelastischem PU-Schaumkunststoff und danach hergestelltes Element |
US20050260111A1 (en) * | 2004-05-20 | 2005-11-24 | Norman Arrison | Drilling mud remediation |
FR2889096B1 (fr) * | 2005-07-29 | 2007-11-02 | Recymo Sarl | Installation de traitement de deblais limoneux d'un chantier et procede de traitement de ces deblais limoneux mettant en oeuvre ladite installation |
US20090270670A1 (en) * | 2007-09-26 | 2009-10-29 | Andrew Daugulis | Recovery of organic contaminants from terrestrial environments |
US20110170953A1 (en) * | 2010-01-08 | 2011-07-14 | Diamond Charles M | Method and system for removing liquid hydrocarbons from contaminated soil |
RU2462302C2 (ru) * | 2010-12-15 | 2012-09-27 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Казанский (Приволжский) федеральный университет" | Сорбент для очистки газовоздушных смесей, грунтовых и сточных вод от нефтяных и топливных углеводородов и способ его получения |
EP2796526A1 (fr) | 2013-04-24 | 2014-10-29 | Calude SARL | Procédé et composition pour la mise en forme solide d'hydrocarbures et de corps gras liquides, dispositifs pour la mise en oeuvre de ce procédé et la fabrication de cette composition, et leur utilisation pour la dépollution |
CN106794493A (zh) | 2014-10-02 | 2017-05-31 | R·R·戴 | 一种土壤回收系统和方法 |
CN107081333B (zh) * | 2017-05-18 | 2020-09-25 | 大连理工大学 | 一种光催化燃料电池的水体沙土修复方法 |
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- 2000-11-23 FR FR0015116A patent/FR2816855B1/fr not_active Expired - Fee Related
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2001
- 2001-11-20 AU AU2002220800A patent/AU2002220800A1/en not_active Abandoned
- 2001-11-20 US US10/432,555 patent/US6860679B2/en not_active Expired - Fee Related
- 2001-11-20 EP EP01997368A patent/EP1341620A1/fr not_active Withdrawn
- 2001-11-20 WO PCT/FR2001/003630 patent/WO2002042017A1/fr not_active Application Discontinuation
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GB1299273A (en) * | 1969-03-06 | 1972-12-13 | Snam Progetti | Compositions suitable for concentrating water surface pollution |
DE1943848A1 (de) * | 1969-08-29 | 1971-03-11 | Ernst Walloschke | Fuellkoerper aus Kunststoff fuer Tropfkoerper in biologischen Klaeranlagen |
DE2903056A1 (de) * | 1978-01-26 | 1979-08-09 | Budny Lucina | Bindemittel mit absorptionseigenschaften und verfahren zur entfernung von substanzen aus gasen, pasten und pumpfaehigen medien mit dem bindemittel und rueckgewinnung der substanzen und des bindemittels |
FR2478663A1 (fr) * | 1980-03-20 | 1981-09-25 | Brangues Chaudronnerie Tuyaute | Compose absorbant, et procede pour son utilisation |
WO1990014159A1 (fr) * | 1989-05-23 | 1990-11-29 | Eco Corporation | Materiel de nettoyage de pollution petroliere |
DE4007695A1 (de) * | 1990-03-10 | 1991-09-12 | Eugen Jaeger Fa | Adsorbtions- und bindemittel fuer oele |
EP0860491A1 (fr) * | 1997-02-25 | 1998-08-26 | Lucyna Budny | Agent adsorbant, procédé et installation pour purifier des sols contaminés par des hydrocarbures |
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EP0878501A2 (fr) * | 1997-05-16 | 1998-11-18 | Lucyna Budny | Procédé pour le recyclage de matières plastiques et l'utilisation des matières plastiques recyclées à titre d'agent adsorbant |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2860732A1 (fr) * | 2003-10-10 | 2005-04-15 | Naturam Technologies | Procede de preparation d'une matiere adsorbante et installation pour la mise en oeuvre du procede |
WO2005035114A2 (fr) * | 2003-10-10 | 2005-04-21 | Naturam Technologies Sarl | Procede de preparation d’une matiere adsorbante et installation pour la mise en oeuvre du procede |
WO2005035114A3 (fr) * | 2003-10-10 | 2005-11-10 | Naturam Technologies Sarl | Procede de preparation d’une matiere adsorbante et installation pour la mise en oeuvre du procede |
FR2872719A1 (fr) * | 2004-07-07 | 2006-01-13 | Ecs Sa Ecological Cleaning Sol | Procede universel de regeneration des sols pollues par tout type d'hydrocarbures, fonctionnant a froid, sur site et permettant d'utiliser polluant et matrice de transfert en un excellent combustible |
Also Published As
Publication number | Publication date |
---|---|
EP1341620A1 (fr) | 2003-09-10 |
US20040013470A1 (en) | 2004-01-22 |
US6860679B2 (en) | 2005-03-01 |
AU2002220800A1 (en) | 2002-06-03 |
FR2816855A1 (fr) | 2002-05-24 |
FR2816855B1 (fr) | 2004-01-09 |
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