WO2015123752A1 - Composition et procédé utilisés de dégradation et de dispersion d'hydrocarbures et de lipides - Google Patents

Composition et procédé utilisés de dégradation et de dispersion d'hydrocarbures et de lipides Download PDF

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WO2015123752A1
WO2015123752A1 PCT/CA2015/000091 CA2015000091W WO2015123752A1 WO 2015123752 A1 WO2015123752 A1 WO 2015123752A1 CA 2015000091 W CA2015000091 W CA 2015000091W WO 2015123752 A1 WO2015123752 A1 WO 2015123752A1
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weight
oil
composition
avg
octyl
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Antonio Fiorda
Terrence J. Mcguire
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Green On Industries Inc
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Green On Industries Inc
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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
    • B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
    • 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

Definitions

  • This invention relates to a solvent free, non-toxic composition useful for hydrocarbon and lipid dispersal and degradation and methods for their production and use.
  • dispersants The problem with dispersants is illustrated by what has been occurring in the Gulf of Mexico subsequent to the BP oil spill.
  • the testing authorities often use outdated and minimal testing procedures for dispersants, which results in an underestimation of the chemicals' impacts to marine and human life.
  • Many of the reported chemicals in dispersants are known human health hazards; as are many of the proprietary chemicals incorporated therein.
  • Dispersants have been linked, or heavily implicated, with the widespread occurrences of lesions and maladies in fish and shellfish, dolphin deaths, and dramatic decline in populations of some Gulf species such as shrimp and killifish.
  • any agitation (such as motion of the waves and currents in the ocean) will accelerate the breaking down process of the oil, leaving DXR802TM to biodegrade within 9 to 12 days. After this process is completed, the dispersed oil will be naturally absorbed back into the environment, without any further damage or danger to nature.
  • the instant inventors have determined strains of microorganisms which are compatible with the DXR-U02TM, and have the ability to enhance the action of the surfactant, for example in soil remediation, by providing a microbial degradation function for hydrocarbons, lipids, and combinations thereof.
  • DXR-D02TM is a clear, slightly yellow liquid that is formed from a proprietary blend of cleansers and surfactants and a high dilution of pure water.
  • the unique blend of ingredients exhibit the ability to break down the hydrocarbon chain and prevent any reconnection, thereby resulting in a unique oil dispersant utility.
  • the pH of about 8.5 renders it non-D alkaline, which in turn makes it good for the environment. Water being the catalyst, the more water you use the better it works.
  • DXR-02TM represents a 50% dilution of DXRTM, which is the concentrate. Depending upon the application, a choice can be made as to use of the diluted or more concentrated product. For mixtures with microbes for soil remediation and the like, DXRTM is generally used.
  • U.S. Patent 7,915,212 to Yeung et al., relates to a block polymeric material.
  • the block polymer comprises units capable of having an average cationic charge density of about 15 or less, preferably 5 or less, more preferably from about 0.05 to about 5, even more preferably from about 0.05 to about 2.77, even more preferably from about 0.1 to about 2.75, most preferably from about 0.75 to about 2.25 units per 100 daltons molecular weight at a pH of from about 4 to about 12.
  • the polymeric material is a suds enhancer and a suds volume extender for personal care products such as soaps and shampoos.
  • the compositions have increased effectiveness for preventing re-deposition of grease during hand and body washing.
  • the polymers are also effective as a soil release agent in fabric cleaning compositions.
  • the polymeric material is also effective in oil well treating foam, fire-fighting foam, hard surface cleaning foam, shaving cream, post- foaming shaving gel, depilatories and as a coagulant/retention aid for titanium dioxide in paper making.
  • U.S. Patent 6,261,463, to Jacob et al. is directed toward an effective and non-toxic oil spill dispersant which includes a predominately oil-soluble surfactant (e.g., polyethylene glycol mono-oleate) with a predominately water-soluble surfactant (e.g., cocoamide) and a co-solvent for coupling a mixture of the predominately oil-soluble surfactant and the oil spill, with the predominately water-soluble surfactant.
  • a predominately oil-soluble surfactant e.g., polyethylene glycol mono-oleate
  • a predominately water-soluble surfactant e.g., cocoamide
  • co-solvent for coupling a mixture of the predominately oil-soluble surfactant and the oil spill, with the predominately water-soluble surfactant.
  • Water is included in the combination to help advance the interaction between the predominately oil- soluble surfactant and the predominately water-soluble
  • U.S. Patent 6,194,473 describes a formulation of chemical surfactants, solvents and inorganic salts which is effective for dispersing heavy oils in both salt and fresh water.
  • the formulation comprises a mixture of a sorbitan ester of an aliphatic monocarboxylic acid, a polyoxyethylene adduct of a sorbitan monoester of an aliphatic monocarboxylic acid, an alkali metal salt of a dialkyl sulfosuccinate, a polyoxyethylene adduct of a sorbitan triester of a monocarboxylic acid, a solvent comprising a hydrocarbon and/or a glycol ether and an inorganic salt containing a soluble divalent cation such as calcium or magnesium.
  • U.S. Patent 5,454,978, to Vanderpool et al describes a surface active composition for dispersing an oil in an aqueous media and/or for inhibiting deposition of oil on a surface of a water carrying system.
  • the water carrying system is at least one system selected from the group consisting of a cooling tower, a cooling tower fill, means for heat exchange, means for industrial processing, and a body of water.
  • a method for inhibiting deposition of an oil on a surface of a water carrying system is also provided.
  • U.S. Patent 5,422,01 1, to Avila teaches a method for recuperating crude oil from the body of a spill.
  • the body of the spill is sprayed at low pressure then the same operation is done at a relatively higher pressure of at least 100 p.s.i.
  • physical agitation of the body of the spill is induced by the use of air compressors operating in the range between 500 and 700 psi causing the crude oil to disperse and come to the surface.
  • the crude oil is then extracted from the spill through the use of skimmers and vacuum suction means and subsequently processed.
  • U.S. Patent 5,302,320 to Hosmer et al describes an emulsification agent for hydrocarbons comprising an ethoxylated nonylphenol, the reaction product of tall oil and an alkanolamine and tripropylene glycol methyl ether.
  • the agent optionally can include sodium xylene sulfonate.
  • U.S. Patent 4,992,213, to Mallett et al. relates to a composition which is designed to be used as a cleaning agent and oil dispersant.
  • the composition has a number of active ingredients mixed with water.
  • the solution provides for the use of such active ingredients as sodium lauryl sulfate, cocamidopropyl betaine, ethoxylated nonylphenol, lauric acid diethanolamide, diethanolamine and propylene glycol.
  • compositions contain the following ingredients mixed in an aqueous base: from 0.02% to 2.25% by total weight of sodium lauryl sulfate, from 0.02% to 1.95% by total weight of cocamidopropyl betaine, from 0.002% to 0.25% by total weight of ethoxylated nonylphenol, from 0.04% to 4.25% of lauric acid diethanolamide, from 0.02% to 1.85% by total weight of diethanolamine and from 0.02% to 1.85% by total weight of propylene glycol.
  • compositions for cleaning hard surfaces which are formulated to leave on the surface simultaneously with the cleaning thereof a protective barrier layer which serves to protect the surface against further soil deposition, comprising: (A), as cleaning agents, from one to two nonionic surfactants and an amphoteric surfactant; (B), as protective barrier components, lecithin and an aminofunctional polydimethylsiloxane copolymer; (C), as solvency and grease cutting agents, from one to two glycols; and (D) water.
  • U.S. Patent 4,764,285 discloses a method for dispersing an oil spill on sea water which method comprises applying to the oil spill surface an effective amount of: (i) a blend of one or more hydrophilic and one or more lipophilic surfactants whose ratio is so adjusted that they will form microemulsions with the sea water and the oil to be dispersed, (ii) a solvent which is miscible with the oil to be dispersed and in which the blend of surfactants is substantially soluble, and (iii) from 0 to about 10 wt. % water.
  • the blend of surfactants is such that it lowers the interfacial tension between the oil to be dispersed and the sea water to less than about 250 mdynes/cm when the blend is used at a treating rate of less than about 1 to 100 by weight, based on the weight of the oil to be dispersed.
  • U.S. Patent 4,502,962 to Becker et al., teaches a hydrocarbon solvent-based dispersant formulation which combines heavy oil penetrability, activity on oil spills on either fresh or salt water, and the density and viscosity required for controllable aerial spray application is provided by the combination of sorbitan monoesters of C 10 - C 2 o aliphatic carboxylic acids and polyoxyalkylene adducts thereof, polyoxyalkylene adducts of sorbitan triesters of C 10 - C 2 o aliphatic carboxylic acids, and a water-dispersible salt of a dialkyl sulfosuccinate dissolved in an isoparaffinic hydrocarbon.
  • the addition of a viscosity modifying solvent may be advantageous for adjusting the formulation to needs of specific aerial application procedure.
  • U.S. Patent 3,996, 134 to Osborn et al., is directed toward a method of dispersing oil in water, particularly useful in oil slick dispersion, secondary oil recovery and tar-sand oil recovery, which comprises contacting the oil and water with an alkyd resin in which one component of the resin is the residue of a water-soluble polyalkylene glycol such as a polyethylene glycol.
  • U.S. Patent 3,960,742, to Leonard is directed toward a solvent emulsion type cleaner concentrate, which provides effective cleaning at recommended water dilutions of 896: 1.
  • the concentrate comprises about 30-60 parts by weight of an ethylene glycol monoalkyl ether solvent, together with inorganic alkaline solids and small amounts of two or more solids-suspending surfactants.
  • the concentrate is non-flammable, ecologically acceptable, relatively non-toxic, and has corrosion inhibiting properties.
  • U.S. Patent 3,577,340 to Paviak et al., teaches a method for dissipating oil spills floating on a body of water by dispersing the spilled oil with a novel alkylphenol ethoxylate.
  • U.S. Patent 3,457,168 to Malmberg et al., teaches a method of dispersing a petroleum oil layer from the surface of a body of open water comprising coating the exposed surface of the oil with a layer of foamed surfactant and subsequently vigorously agitating the water-oil-surfactant layers after the foamed surfactant has become substantially digested by the oil layer.
  • US Published Application 201 1/0257015 to Bergeron et al., relates to a polymeric material comprising units capable of having a cationic charge at a pH of from about 4 to about 12; provided that said polymeric material has an average cationic charge density from about 2.75 or less units per 100 daltons molecular weight at a pH of from about 4 to about 12.
  • the polymeric material is a suds enhancer and a suds volume extender for hand dishwashing compositions and personal care products such as soaps, shaving cream foam, foaming shaving gel, foam depilatories and shampoos.
  • the polymers are also effective as a soil release agent in fabric cleaning compositions.
  • the polymers are also useful in agrochemical foam, fire-fighting foam, hard surface cleaner foam, and coagulant for titanium dioxide in papermaking.
  • the present invention is directed toward a novel composition useful in treating oil spills, e.g. as an oil dispersant, and for cleanup of the shoreline, animals, plants, and equipment.
  • the composition is also useful for the treatment of build-up of fats, oils and grease (FOG), in soil, bodies of water, pipelines, and the like.
  • the composition is further useful for the remediation of soils, bodies of water, contaminated facilities, e.g. buildings and the like, in order to both disperse hydrocarbon and/or lipid contaminants, while fully digesting any residual materials in order to fully remediate such areas.
  • Various embodiments are contemplated as being useful for soil remediation, e.g.
  • the oil dispersant composition is supplied as a homogeneous mixture prepared by mixing, in sequence, the following ingredients:
  • oil dispersant composition is supplied as a homogeneous mixture of the following ingredients, blended in sequence, for a time to provide a uniformly blended intermediate prior to addition of the next
  • nonionic octylphenol ethoxylates ingredients with equivalent amounts of an alternative sugar such as Ficoll, Sucrose, Fructose, Glycine, Glycerol, or the like, and combinations thereof.
  • biological hydrocarbon degraders are defined as aerobic and/or anaerobic microorganisms selected from the families Bacillus, Pseudomonas, Paenibacillus and Aspergillus.
  • the microorganisms are selected on the basis of their suitability for degrading such materials as benzene, toluene, and xylene (BTEX), petroleum hydrocarbon fractions F1-F4 (as defined by CCME2000), and polycyclic aromatic hydrocarbons.
  • BTEX benzene, toluene, and xylene
  • F1-F4 as defined by CCME2000
  • polycyclic aromatic hydrocarbons polycyclic aromatic hydrocarbons.
  • microorganisms are useful, in combination with any of the oil dispersant embodiments illustrated herein, of remediating soil, treating oil-water separators, catch basins, and the like.
  • the dispersants are particularly advantageous in treating fat, oil and grease build-up (FOG). Tests have also demonstrated their utility in degrading the build-up of paraffin waxes, mold removal and reduction of volatile organic contaminants.
  • the resultant composition is a novel blend of microorganisms, cleansers and surfactants which is non-toxic and solvent free, and which has the ability to accelerate the breaking down process of oils, materials such as benzene, toluene, and xylene (BTEX); petroleum hydrocarbon fractions F1 -F4 (as defined by CCME2000), polycyclic aromatic hydrocarbons (PAH), paraffin waxes, volatile organics, molds, and the like; while simultaneously providing a biological component which is effective to reduce the total petroleum hydrocarbon levels to zero at an accelerated rate.
  • Figure 1 illustrates relative effectiveness of DXR versus modified surfactant formulations substituting alternative sugars for breakdown of paraffin
  • Figure 2 illustrates use of a 1 : 1 blend of DXR and NLB1000 to treat hydrocarbon contamination in soil
  • Figure 3 illustrates the use of the product of the present invention in a comparative analysis demonstrating the treatment of medium crude oil contamination in soil.
  • the invention is directed toward a novel composition comprised of the combination of an oil dispersant composition and a biological hydrocarbon degrader, and methods for their production and use.
  • the invention is a composition of matter including a novel oil dispersant/surfactant composition, which contains a number of ingredients, which are formulated in a particular sequence in order to arrive at the novel oil dispersant as herein disclosed and claimed; in combination with at least one biological hydrocarbon degrader selected from aerobic and/or anaerobic microorganisms of the families Bacillus, Pseudomonas, Paenibacillus and Aspergillus, as well as environmentally modified, transitioned or evolved strains thereof, in an amount effective for optimal hydrocarbon degradation.
  • a biological hydrocarbon degrader selected from aerobic and/or anaerobic microorganisms of the families Bacillus, Pseudomonas, Paenibacillus and Aspergillus, as well as environmentally modified, transitioned or evolved strains thereof, in an amount effective for optimal hydrocarbon degradation.
  • composition is formulated by providing the following ingredients within the ranges stated:
  • Cocamidopropyl betaine is a synthetic surfactant derived from coconut oil and dimethylaminopropylamine. It is a zwitterionic chemical compound with a quaternary ammonium cation. It is a viscous pale yellow transparent liquid and is used as a surfactant in bath products such as shampoos and hand soaps, and in cosmetics as an emulsifying agent and thickener, and to reduce irritation purely ionic surfactants would cause. It also serves as an antistatic agent in hair conditioners. CAPB is available from Spectrum Laboratories in Gardena, California.
  • Tall oil fatty acid is available under the brand name SYLFAT ® FA2, from Arizona Chemical Company of Jacksonville, Florida.
  • the material is an intermediate in the manufacture of soaps, dimer acids, amines, amides, imidazolines, alkyd resins, coatings, and polyesters. It is useful in areas such as specialty industrial and household cleaners, plasticizers for rubber products, textiles, and surfactants.
  • Monoethanolamine, MEA is an absorbent chemical employed, for example, in carbon dioxide scrubbers aboard nuclear submarines. It is available from the Sciencelab Company in Houston, Texas.
  • a Nonionic Octylphenol Ethoxylate surfactant composition having the formula:
  • TritonTM X-45 is available as TritonTM X-45 from Dow Chemical Company. It is useful in defoamers, cleaners, metalworking fluids, agrochemicals, textiles, pulp and paper manufacture, oilfields, paints and coatings.
  • a Nonionic Octylphenol Ethoxylate surfactant composition having the formula:
  • TritonTM X-100 is available as TritonTM X-100 from the Dow Chemical Company. It is useful in Household and Industrial cleaners, metalworking fluids, agrochemicals, textiles, pulp and paper manufacture, oilfields, paints and coatings.
  • VERSENETM 100 The tetrasodium salt of ethylenediaminetetraacetic acid is available as VERSENETM 100, from the Dow Chemical Company.
  • VERSENETM 100 is described as a chelating agent, provided as an aqueous solution of the tetrasodium salt of ethylenediaminetetraacetic acid. (Na EDTA). It will chelate most multivalent metal ions (e.g., Fe, Cu, Mn, Ca, Mg, Zn) in a 1 : 1 molar ratio.
  • VERSENETM 100 is completely miscible with water, but is not soluble in organic systems. Na 4 EDTA is stable under widely varying conditions of temperature, acidity, alkalinity, and the presence of other chemicals.
  • Applications include agriculture, cleaning products, metalworking, oilfield applications, personal care products, polymerization, pulp and paper, scale removal and prevention, textiles, water treatment.
  • the ingredients are added sequentially to a vessel, e.g. a high-density polyethylene beaker, and blended with a mixer, e.g. a Lightnin Mixer, available from the SPX Corporation in Rochester, NY.
  • a mixer e.g. a Lightnin Mixer, available from the SPX Corporation in Rochester, NY.
  • Each ingredient is added in sequential order, and mixing is conducted in a stepwise fashion for about 10 minutes per ingredient, or until a uniform blend is produced, before addition of the next ingredient. While in the mixing stage, some heat is produced, typically reaching a temperature of about 45°C. Upon cooling, the resultant product is a clear liquid having a slightly yellowish color. It is understood that as the batch size increases, the skilled artisan will extend the mixing time between steps so as to assure uniform blending.
  • composition designated DXR-C02TM
  • DXR-C02TM is an oil dispersant supplied as a homogeneous mixture of the following ingredients, blended in sequence, for a time sufficient to provide a uniformly blended intermediate prior to addition of the next ingredient:
  • the composition further includes at least one biological hydrocarbon degrader selected from aerobic and/or anaerobic microorganisms of the families Bacillus, Pseudomonas, Paenibacillus and Aspergillus, as well as environmentally modified, transitioned or evolved strains thereof in an amount effective for optimal hydrocarbon degradation.
  • at least one biological hydrocarbon degrader selected from aerobic and/or anaerobic microorganisms of the families Bacillus, Pseudomonas, Paenibacillus and Aspergillus, as well as environmentally modified, transitioned or evolved strains thereof in an amount effective for optimal hydrocarbon degradation.
  • nonionic octylphenol ethoxylates with equivalent amounts of an alternative sugar such as Ficoll, Sucrose, Fructose, Glycine, Glycerol, or the like, and combinations thereof.
  • formulations were prepared using Ficoll, Sucrose, Fructose, Glycine, and Glycerol in place of the Nonionic Octylphenol Ethoxylates. Tests were carried out to determine the percentage of paraffin wax (y-axis) versus the days of treatment (x-axis) in order to develop a comparison of effectiveness. While various of the sugar substitutions yielded compositions effective as paraffin dispersants, the DXR formulation was still superior in this regard.
  • Test concentrations were determined by a preliminary r a n g e - finding test. A definitive test was conducted using concentrations of 50, 100, 200, 400 and 800 mg/L of the test substance. Each test concentration consisted of three replicates of ten organisms (greater amount than the protocol requirement of 20 organisms). Organisms were randomly placed, individually, into each test container containing the appropriate concentration of test substance. Three replicates of ten (10) organisms were not exposed to test substance and served as controls to demonstrate the condition of the test population. At 0, 24, 48, 72 and 96 hours following dosing, each test container was examined for mortality, and the number of live shrimp was recorded. The test was terminated after 96 ⁇ 1 hours of exposure.
  • the 96-hour median effective concentration (EC50) of DXR-D02TM was determined to be 475.00 mg/L with 95% confidence limits of 0.00-677.50 mg/L.
  • the NOEC (No Observed Effect Concentration) for survival was determined to be 100 mg/L. Results presented are based on nominal concentrations.
  • the LC50 in PPM of DXR-02 1 is between about 8 and 20 times that of the commercially available oil dispersants tested.
  • Table 2 illustrates that DXR-02 is the only oil dispersant tested which did not contain heavy metals. This is thought to be due to the absence of any solvents in the production of the DXR-02TM oil dispersant of the present invention.
  • the dispersant properties of the composition of the invention were determined in accordance with ASTM-F2059, Laboratory Oil Spill Dispersant Effectiveness Using the Swirling Flask. The % Effectiveness is illustrated in Table 3.
  • This test establishes a baseline performance parameter so that dispersants can be compared, a given dispersant can be compared for effectiveness on different oils, and at different oil weathering stages, and batches of dispersant or oils can be checked for effectiveness changes with time or other factors.
  • the test method covers the procedure to determine the effectiveness of oil spill dispersants on various oils in the laboratory.
  • This test method covers the use of the swirling flask test apparatus. Results obtained using this test method are intended to provide baseline effectiveness values used to compare dispersants and oil types under conditions analogous to those used in the test.
  • the test material DXR-02TM, was tested in rats to assess an Acute Oral Toxicity.
  • Oral Toxicity LD50 (mg/kg) for EPA/US/FIFRA, are classified as follows:
  • the LD 50 for DXR-C02 1 M was determined to be greater than 5000 mg/kg, which according to above categories, the acute toxicity of this product is low.
  • NLB 1000 1 : 1 ratio with a cocktail of microbes obtained from New Leaf Biologies Inc. in Manitoba, Canada, designated NLB 1000.
  • NLB 1000 is a cocktail of microbes used for hydrocarbon degradation. While the 1 : 1 ratio represents an effective embodiment for hydrocarbon degradation, it is understood that this is a non-limiting embodiment, and that various other effective ratios are within the purview of the present invention, so long as they are effective for A 3 cubic foot sample of soil spiked with petroleum hydrocarbons was provided. The test was run in triplicate. To Piles 1 , 2 and 3 the 1 : 1 combination of DXR and NLB 1000 was added by spraying onto the piles. As can be seen in Figure 2, the percentage of total petroleum hydrocarbons (TPH) was fully degraded by about day 30.
  • TPH total petroleum hydrocarbons
  • suitable biological hydrocarbon degraders include, but are not limited to, aerobic and/or anaerobic microorganisms selected from the families Bacillus, Pseudomonas, Paenibacillus and Aspergillus, as well as environmentally modified, transitioned or evolved strains thereof for optimal hydrocarbon degradation in combination with the disclosed DXRTM oil dispersant formulation in order to maximize the efficiency of treatment..
  • microorganisms are selected on the basis of their suitability for degrading such materials as benzene, toluene, and xylene (BTEX), petroleum hydrocarbon fractions F1-F4 (as defined by CCME2000), and polycyclic aromatic hydrocarbons.
  • NLB 1000/DXR 1 : 1 blend (designated NLB 1010) was tested to compare different hydrocarbon degrading products on a medium crude oil contaminated test pile.
  • the piles were dosed as follows:

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Abstract

La présente invention concerne un produit de biorestauration, et son procédé de fabrication et d'utilisation. L'invention concerne également un mélange de micro-organismes (par exemple Bacillus, Pseudomonas, Paenibacillus et Aspergillus), des agents nettoyants et tensioactifs comprenant de la bétaïne de cocamidopropyle, un acide gras de tallöl, de la monoéthanolamine, des oxylates d'octylphénol, du Ficoll, du saccharose, du fructose, de la glycine et du glycérol, lequel est non toxique et exempt de solvant et a la capacité d'accélérer le processus de décomposition des huiles, de substances telles que le benzène, le toluène et le xylène (BTEX), de fractions d'hydrocarbures pétroliers F1-F4 (tel que défini par CCME2000), d'hydrocarbures aromatiques polycycliques (PAH), de paraffine/cires, de substances organiques volatiles, de moules et autres qui produisent simultanément un composant biologique qui est efficace pour réduire à zéro les taux d'hydrocarbures pétroliers totaux à une vitesse accélérée. Le produit est utile pour la biorestauration et comme composition d'agents dispersants du pétrole dans le traitement des déversements d'hydrocarbures et le nettoyage du littoral, des animaux, des plantes et de l'équipement.
PCT/CA2015/000091 2014-02-18 2015-02-18 Composition et procédé utilisés de dégradation et de dispersion d'hydrocarbures et de lipides Ceased WO2015123752A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108424280A (zh) * 2018-05-29 2018-08-21 吉林省利泽生物科技有限公司 一种农耕土壤修复剂及其制备方法

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HU231439B1 (hu) 2020-03-05 2023-11-28 Cavitation Energy Systems Kft. Kavitációs víztisztító berendezés és eljárás

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002094181A2 (fr) * 2001-05-18 2002-11-28 Novozymes A/S Agent gram-positif de degradation des acides gras
WO2007047992A2 (fr) * 2005-10-19 2007-04-26 Unirem, Inc. Agent de biostimulation pour la bioremédiation et procédés correspondants
WO2013185203A1 (fr) * 2012-06-13 2013-12-19 Green On Industries Inc. Dispersant de pétrole sans solvant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002094181A2 (fr) * 2001-05-18 2002-11-28 Novozymes A/S Agent gram-positif de degradation des acides gras
WO2007047992A2 (fr) * 2005-10-19 2007-04-26 Unirem, Inc. Agent de biostimulation pour la bioremédiation et procédés correspondants
WO2013185203A1 (fr) * 2012-06-13 2013-12-19 Green On Industries Inc. Dispersant de pétrole sans solvant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108424280A (zh) * 2018-05-29 2018-08-21 吉林省利泽生物科技有限公司 一种农耕土壤修复剂及其制备方法

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