METHODS FOR PREVENTING MICROBIAL GROWTH AND MICROBIOLOGICALLY INFLUENCED CORROSION IN A BIODEGRADABLE AND/OR RENEWABLE FUEL, HYDRAULIC FLUID AND/OR LUBRICANT

Fuels, hydraulic fluids and lubricants made of or comprising a portion of renewable hydrocarbon raw materials, as well as biodegradable fuels, hydraulic fluids and lubricants are known to support microbial growth. Highly toxicorganic biocides have been added to reduce microbial growth. The use of su...

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Hauptverfasser: FIELD, Ian, NILSSON, Kristina, UNDÉN, Magnus
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NILSSON, Kristina
UNDÉN, Magnus
description Fuels, hydraulic fluids and lubricants made of or comprising a portion of renewable hydrocarbon raw materials, as well as biodegradable fuels, hydraulic fluids and lubricants are known to support microbial growth. Highly toxicorganic biocides have been added to reduce microbial growth. The use of such biocides can now be avoided, by instead using a stable solution of boric acid in a solvent, the boric acid being completely dissolved or at least free from any particles larger than 100 nm in size, and adding this solution to the fuel, hydraulic fluid or lubricant to give a final concentration of boron in the range of 1-100 ppm, preferably 1 -50 ppm in the product. While preventing microbial growth, the addition of boron also reduces corrosion, in particular microbiologically induced corrosion (MIC). L'invention concerne des combustibles, des fluides hydrauliques et des lubrifiants, constitués ou comprenant une partie de matières premières à base d'hydrocarbures renouvelables, ainsi que des combustibles biodégradables, des fluides hydrauliques et des lubrifiants, qui sont connus pour entretenir la prolifération microbienne. Des biocides organiques hautement toxiques ont été ajoutés pour réduire la prolifération microbienne. Il est possible désormais d'éviter l'utilisation de tels biocides, en utilisant à la place une solution stable d'acide borique dans un solvant, l'acide borique étant complètement dissous ou au moins exempt de particules de taille supérieure à 100 nm, et d'ajouter cette solution au combustible, au fluide hydraulique ou au lubrifiant pour donner une concentration finale de bore dans la plage de 1 à 100 ppm, de préférence de 1 à 50 ppm dans le produit. Tout en empêchant la prolifération microbienne, l'ajout de bore réduit également la corrosion, en particulier la corrosion induite par des microorganismes (MIC).
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Highly toxicorganic biocides have been added to reduce microbial growth. The use of such biocides can now be avoided, by instead using a stable solution of boric acid in a solvent, the boric acid being completely dissolved or at least free from any particles larger than 100 nm in size, and adding this solution to the fuel, hydraulic fluid or lubricant to give a final concentration of boron in the range of 1-100 ppm, preferably 1 -50 ppm in the product. While preventing microbial growth, the addition of boron also reduces corrosion, in particular microbiologically induced corrosion (MIC). L'invention concerne des combustibles, des fluides hydrauliques et des lubrifiants, constitués ou comprenant une partie de matières premières à base d'hydrocarbures renouvelables, ainsi que des combustibles biodégradables, des fluides hydrauliques et des lubrifiants, qui sont connus pour entretenir la prolifération microbienne. Des biocides organiques hautement toxiques ont été ajoutés pour réduire la prolifération microbienne. Il est possible désormais d'éviter l'utilisation de tels biocides, en utilisant à la place une solution stable d'acide borique dans un solvant, l'acide borique étant complètement dissous ou au moins exempt de particules de taille supérieure à 100 nm, et d'ajouter cette solution au combustible, au fluide hydraulique ou au lubrifiant pour donner une concentration finale de bore dans la plage de 1 à 100 ppm, de préférence de 1 à 50 ppm dans le produit. 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Des biocides organiques hautement toxiques ont été ajoutés pour réduire la prolifération microbienne. Il est possible désormais d'éviter l'utilisation de tels biocides, en utilisant à la place une solution stable d'acide borique dans un solvant, l'acide borique étant complètement dissous ou au moins exempt de particules de taille supérieure à 100 nm, et d'ajouter cette solution au combustible, au fluide hydraulique ou au lubrifiant pour donner une concentration finale de bore dans la plage de 1 à 100 ppm, de préférence de 1 à 50 ppm dans le produit. 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Highly toxicorganic biocides have been added to reduce microbial growth. The use of such biocides can now be avoided, by instead using a stable solution of boric acid in a solvent, the boric acid being completely dissolved or at least free from any particles larger than 100 nm in size, and adding this solution to the fuel, hydraulic fluid or lubricant to give a final concentration of boron in the range of 1-100 ppm, preferably 1 -50 ppm in the product. While preventing microbial growth, the addition of boron also reduces corrosion, in particular microbiologically induced corrosion (MIC). L'invention concerne des combustibles, des fluides hydrauliques et des lubrifiants, constitués ou comprenant une partie de matières premières à base d'hydrocarbures renouvelables, ainsi que des combustibles biodégradables, des fluides hydrauliques et des lubrifiants, qui sont connus pour entretenir la prolifération microbienne. Des biocides organiques hautement toxiques ont été ajoutés pour réduire la prolifération microbienne. Il est possible désormais d'éviter l'utilisation de tels biocides, en utilisant à la place une solution stable d'acide borique dans un solvant, l'acide borique étant complètement dissous ou au moins exempt de particules de taille supérieure à 100 nm, et d'ajouter cette solution au combustible, au fluide hydraulique ou au lubrifiant pour donner une concentration finale de bore dans la plage de 1 à 100 ppm, de préférence de 1 à 50 ppm dans le produit. Tout en empêchant la prolifération microbienne, l'ajout de bore réduit également la corrosion, en particulier la corrosion induite par des microorganismes (MIC).</abstract><oa>free_for_read</oa></addata></record>
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subjects ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL
CHEMISTRY
FIRELIGHTERS
FUELS
FUELS NOT OTHERWISE PROVIDED FOR
LIQUEFIED PETROLEUM GAS
LUBRICANTS
LUBRICATING COMPOSITIONS
METALLURGY
NATURAL GAS
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K
TECHNICAL GASES CONTAINING CARBON MONOXIDE
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
title METHODS FOR PREVENTING MICROBIAL GROWTH AND MICROBIOLOGICALLY INFLUENCED CORROSION IN A BIODEGRADABLE AND/OR RENEWABLE FUEL, HYDRAULIC FLUID AND/OR LUBRICANT
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