WO1998010033A1 - Solvant pour depots solides de petrole brut - Google Patents

Solvant pour depots solides de petrole brut Download PDF

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Publication number
WO1998010033A1
WO1998010033A1 PCT/IB1996/000903 IB9600903W WO9810033A1 WO 1998010033 A1 WO1998010033 A1 WO 1998010033A1 IB 9600903 W IB9600903 W IB 9600903W WO 9810033 A1 WO9810033 A1 WO 9810033A1
Authority
WO
WIPO (PCT)
Prior art keywords
solvent
mass
dissolving
substance
oil
Prior art date
Application number
PCT/IB1996/000903
Other languages
English (en)
Inventor
Zinaida T. Dimitrieva
Original Assignee
Destiny Oil Anstalt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Destiny Oil Anstalt filed Critical Destiny Oil Anstalt
Priority to PCT/IB1996/000903 priority Critical patent/WO1998010033A1/fr
Priority to AU67517/96A priority patent/AU6751796A/en
Publication of WO1998010033A1 publication Critical patent/WO1998010033A1/fr

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Classifications

    • 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
    • C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
    • C09K23/12—Sulfonates of aromatic or alkylated aromatic compounds
    • 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
    • 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
    • C02F1/682—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of chemical compounds for dispersing an oily layer on water
    • 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
    • C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
    • 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

Definitions

  • the invention relates to the field of environmental protection.
  • the invention can be successfully applied to the cleaning of tanks, to asphalt tar deposits (residues) of oil, and to the washing clean of sand on beaches, agricultural soils, and base material on oil-extraction sites polluted by heavy oil products, and in case of emergencies during the transportation of oiL
  • the invention can also be applied, with great success, to the dissolution of paraffin and paraffin hydrate deposits in main oil pipelines and pump compressor pipes, and in the technology of de- paraffinisation of oil-bearing beds in the pre-face area of wells.
  • Devices for cleaning paraffin off pipes, the basic structural elements of which are a moving automatic scraper (patent RU 2023868, E21 B 37/02), a shaft with turbines (patent RU 2010952, E21 B 37/02), and a linear heater (patent RU 2123867, E21 B 37/02).
  • the basic elements in the device for washing down sand are a rotating desintegrator and a pneumatic manifold (patent RU 1577832, B03 B 5/00).
  • de-emulsifying liquids are pumped into the bed, which contain production oxides of ethylene, propylene and fatty spirits (patent RU 2027730, CO9 R 3/00), and alkaline metals are also pumped into the operational area of the bed (lithium, sodium, potassium, or composites based on them), dispersed in the proportion of 10.75 mass% in de-watered hydrocarbon liquid, with subsequent pumping in of water in the proportion of 50 - 200 parts by mass to 1 part by mass of metal (patent RU 2028447, E21 B 37/06).
  • a compound is used based on 5 - 10 mass% non-ionogenic surfactant, 20 - 24 mass% N, N-dialkyl- N,N-diallyl ammonia chlorides, or their co-polymers, with acrylic acid, and 66 - 75 mass% sodium alkyl sulphonate (patent RU 1132535, E 21B 37/06), the concentration of which in water is 0.05 - 0.2 mass%.
  • a substance for extracting gasoline from the soil developed by the U.S. Environmental Protection Agency, contains a mixture of acetone and methylene chloride in a weight ratio of 1 : 1 (Donaldson, S.G., Miller, G.C., Miller, W.W.: Extraction of gasoline constituents from soil / J. Assoc. Offic. AnaL Chem. - 1990 - voL 73, no. 2 - pp. 306 - 311).
  • the significant drawbacks to the known extractant are the very low grade of gasoline extraction from the soil (the degree of extraction of gasoline from the dry soil is 43.2%, and for moist soil scarcely 21.8%), high toxicity, the danger of explosion from the acetone, and a complicated process for the extraction of the extractant from the oil products.
  • the use of the known extractant, containing methylene chloride, for the extraction (removal) of oil from the soil is made more difficult (more complicated) by the fact that the chloro-organic compounds poison oil processing catalysts.
  • the objective of the given invention is to develop an aqueous organic two-phase solvent for removing solid asphalt tar and paraffin deposits from the surface of containers and pipes intended for the storage and transport of oil, for the washing of sand, soil and other solid materials from oil (oil products) and also for the de-paraffinisation of oil beds.
  • the solvent compound for crude and solid oil deposits based on polar organic liquids, according to invention, contains a working (transport) fluid and a dissolving (extracting) substance, emulsified or suspended in the working fluid, with the help of a surfactant.
  • the compound developed according to invention contains water (sea water, fresh water, recycled water) as the working fluid contains fractions (mixtures) of aromatic hydrocarbons, fractions (mixtures) of alkyl-aromatic hydrocarbons with a number of alkylic groups in the aromatic nucleus - up to three as the dissolving (extracting) substance and with a number of carbon atoms in the alkylic fragment or a substitute from C2 to C , mixtures of fractions of aromatic and alkyl- aromatic hydrocarbons in any combination and mass ratio as well as fractions of aromatic and alkyl- aromatic hydrocarbons in a mixture with fractions of aliphatic hydrocarbons, C 5 - C ⁇ 2 , in any combination and mass ratio of these fractions.
  • the solvent contains polyalkylphenols, alkyl-carbolic acids C10 - C ⁇ , polyglycols and compounds from the following classes: alkyl (aiyl) sulphonoles, carboxoles, polyalkyl (polyaryl) sulphonoles, and polyalkyl (polyaryl) carboxoles.
  • fractions of aliphatic hvdrocarbons in the composition of the solvent or their mixtures with fractions of alkyl-aromatic hydrocarbons, emulsified with water, with the help of alkyl carbolic acids C 10 - C ⁇ , polyalkyl phenoles, carboxoles, and polyalkyl (polyaryl) carboxoles.
  • alkyl (aryl) sulphonoles and polyalkyl (polyaryl) sulphonoles are preferable to use as surfactant.
  • the compound for the dissolution of oil residues, according to invention is prepared and applied without heating (at ambient temperature).
  • the compound according to invention is more effective in dissolving oil residues, and has optimal technical operation characteristics, with the following makeup and ratio of constituents (mass%):
  • composition also includes sodium carbonate and hydrochloric (acetic) acid in the following ratio of constituents (mass%):
  • the hydrochloric (acetic) acid is not introduced into the solvent at first.
  • the hydrochloric (acetic) acid is pumped into the paraffin-impregnated oil bed at the same time as the solvent.
  • the technology for preparing the compound consists of a simple (mechanical or ultra-sonic) mixing of the constuents without heating.
  • the sequence in which the constituents are mixed in has little influence on the end result.
  • the compound can be prepared a long time before it is used, or before its initial application.
  • the efficiency of the dissolution (extraction) of solid asphalt tar oil residues depends on how long they are in contact with the solvent and on the intensity of the intermixing (turbulization). As the dissolution of the oil proceeds, the saturated hydrocarbon fraction of the solvent separates from the transporting fluid - the water. When the maximum amount of residues has been dissolved, the upper layer, consisting of a hydrocarbon solution of asphalt tar and paraffin substances, is separated from the aqueous layer and the hydrocarbons are driven off (evaporated). The separated water and the substances driven off after the dissolution of the residues can be used many times for the same purpose.
  • the amount of dissolved oil residues depends on the makeup and the mass of the DS and surfactant, and lies between 51 and 110 mass% in relation to the DS.
  • the asphalt tar and paraffin substances separated out from the oil residues (deposits) with the help of the solvent can be sent for processing or utilisation.
  • alkyl-aromatic hydrocarbons comprising di-ethyl benzene, tri-isopropyl benzene, diheptyl benzene, undetsil benzene and octiltoluol in equal mass ratios.
  • 0.05 g (0.025 mass%) of polyvinyl benzil sulphonole is dissolved in 100 g (50 mass%) of a mixture of alkyl-aromatic hydrocarbons. This solution is suspended in 100 g (50 mass%) of sea water.
  • Portions of solid oil residues taken from a bulk oil container (cistern) are dissolved in the resulting solution at normal temperature. The solid resdiues are dissolved until the hydrocarbon fraction of the solvent is completely saturated.
  • 110 g of residues are dissolved in this compound, which constitutes 110 mass% in relation to the mixture of aromatic hydrocarbons.
  • 40 g of solvent comprising 36 g of water, 3.98 g of aliphatic hydrocarbon fraction, and 0.02 g of alkyl carbolic acids fraction C ⁇ 0 - C ⁇ (ACA do - C ⁇ ), is added to 5 g of sand, contaminated by 20% of oil by mass, with a ratio of solvent to sand of 8 : 1 , and the mixture is intermixed for a 15- minute period. After settling the liquid is separated from the sand, the hydrocarbon solution of oil is separated from the aqueous solution, and the water is used in a new cycle of cleaning sand from o ⁇ The sand is dried and weighed. The degree of cleaning of the sand is 93 mass%.
  • 40 g of solvent comprising 34 g of water, 5.94 g of aliphatic hydrocarbon fraction, and 0.06 g of alkyl carbolic acids fraction C ⁇ 0 - C ⁇ is added to 5 g of sand, contaminated by 20% of oil by mass, with the solvent to sand ratio 8 : 1, and the mixture is intermixed for a 15-minute period. After settling, the liquid is separated from the sand, the hydrocarbon solution of oil is separated from from the aqueous solution, and the water is used in a new cycle of cleaning sand from o ⁇ The sand is dried and weighed. The degree of cleaning of the sand is 96 mass%.
  • An oil bed can be de-paraffinised with the help of a solvent compound in the following manner. Filtering capacity of the oil bed is isolated by paraffin.
  • Filtering capacity of the oil bed is isolated by paraffin- 0.6 g (0.3 mass%) of polyethylene glycol and
  • alkylcarbonic acid fraction Cio - C ⁇ or polyalkyl phenole are dissolved in 143 g (71.5 mass%) of water at normal temperature during intermixing. This solution is saturated with
  • Filtering capacity of the oil bed is isolated by paraffin.
  • 0.6 g (0.3 mass%) of polyethylene glycol, 0.4 g (0.2 mass%) of alkylcarbonic acid fractions Cio - d 7 or polyalkyl phenole, and 1.6 g (0.8 mass%) Na 2 CO 3 are dissolved in 121.4 g (60.7 mass%) of water at normal temperatures during intermixing, and 56 g (28 mass%) of aliphatic hydrocarbon fraction or alkyl-aromatic hydrocarbon fraction, or a mixture of these fractions, are added.
  • the resulting dispersion and 20 g (10 mass%) of hydrochloric acid are simultaneously pumped into a model of the bed containing paraffin. Following the de-paraffinisation of the bed, oil is pumped into it, and the permeability of the oil bed rises to 92% (mean value).

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Public Health (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

L'invention porte sur des solvants pour dépôts solides de pétrole brut comportant une substance organique d'extraction, et caractérisés par le fait qu'ils contiennent un fluide neutre de transport (TF), une substance dissolvante (DS) d'extraction, et un tensio-actif dans un rapport spécifique (% en masse): de 5 à 60 % de DS, de 0,01 à 0,8 % de tensio-actif, et de 39,2 à 94,99 % de TF. Le solvant contient de l'eau en tant que TF, et des d'hydrocarbures aromatiques, alkylaromatiques et aliphatiques ou leur mélange selon tout rapport de masse en tant que DS.
PCT/IB1996/000903 1996-09-09 1996-09-09 Solvant pour depots solides de petrole brut WO1998010033A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/IB1996/000903 WO1998010033A1 (fr) 1996-09-09 1996-09-09 Solvant pour depots solides de petrole brut
AU67517/96A AU6751796A (en) 1996-09-09 1996-09-09 Solvent for solid crude oil deposits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB1996/000903 WO1998010033A1 (fr) 1996-09-09 1996-09-09 Solvant pour depots solides de petrole brut

Publications (1)

Publication Number Publication Date
WO1998010033A1 true WO1998010033A1 (fr) 1998-03-12

Family

ID=11004470

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1996/000903 WO1998010033A1 (fr) 1996-09-09 1996-09-09 Solvant pour depots solides de petrole brut

Country Status (2)

Country Link
AU (1) AU6751796A (fr)
WO (1) WO1998010033A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6280519B1 (en) 1998-05-05 2001-08-28 Exxon Chemical Patents Inc. Environmentally preferred fluids and fluid blends
ITMI20091598A1 (it) * 2009-09-18 2011-03-19 Eni Spa Procedimento per il recupero di oli da una matrice solida
US10731093B2 (en) 2014-11-26 2020-08-04 Borealis Ag Wash oil for use as an antifouling agent in gas compressors
US11053464B2 (en) 2014-03-22 2021-07-06 United Laboratories International, Llc Solvent composition and process for removal of asphalt and other contaminant materials
US11946021B2 (en) 2014-03-22 2024-04-02 United Laboratories International, Llc Solvent composition and process for removal of asphalt and other contaminant materials

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5630490A (en) * 1979-08-21 1981-03-27 Nippon Steel Chem Co Ltd Fluidization of petroleum sludge
JPS5630491A (en) * 1979-08-21 1981-03-27 Nippon Steel Chem Co Ltd Fluidization of petroleum sludge
GB2115311A (en) * 1982-02-26 1983-09-07 Elf Aquitaine Composition for the dispersion of hydrocarbons in water
US4597893A (en) * 1982-06-12 1986-07-01 The British Petroleum Company P.L.C. Dispersant composition
EP0261794A1 (fr) * 1986-08-27 1988-03-30 The British Petroleum Company p.l.c. Récupération d'huile lourde

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5630490A (en) * 1979-08-21 1981-03-27 Nippon Steel Chem Co Ltd Fluidization of petroleum sludge
JPS5630491A (en) * 1979-08-21 1981-03-27 Nippon Steel Chem Co Ltd Fluidization of petroleum sludge
GB2115311A (en) * 1982-02-26 1983-09-07 Elf Aquitaine Composition for the dispersion of hydrocarbons in water
US4597893A (en) * 1982-06-12 1986-07-01 The British Petroleum Company P.L.C. Dispersant composition
EP0261794A1 (fr) * 1986-08-27 1988-03-30 The British Petroleum Company p.l.c. Récupération d'huile lourde

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 005, no. 085 (C - 057) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6280519B1 (en) 1998-05-05 2001-08-28 Exxon Chemical Patents Inc. Environmentally preferred fluids and fluid blends
ITMI20091598A1 (it) * 2009-09-18 2011-03-19 Eni Spa Procedimento per il recupero di oli da una matrice solida
WO2011033354A1 (fr) * 2009-09-18 2011-03-24 Eni S.P.A. Procédé de récupération d'huiles à partir d'une matrice solide
US11053464B2 (en) 2014-03-22 2021-07-06 United Laboratories International, Llc Solvent composition and process for removal of asphalt and other contaminant materials
US11697788B2 (en) 2014-03-22 2023-07-11 United Laboratories International, Llc Solvent composition and process for removal of asphalt and other contaminant materials
US11946021B2 (en) 2014-03-22 2024-04-02 United Laboratories International, Llc Solvent composition and process for removal of asphalt and other contaminant materials
US10731093B2 (en) 2014-11-26 2020-08-04 Borealis Ag Wash oil for use as an antifouling agent in gas compressors

Also Published As

Publication number Publication date
AU6751796A (en) 1998-03-26

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