DE3070680D1 - Method for cleaning and sanitizing the interior of pipelines - Google Patents

Method for cleaning and sanitizing the interior of pipelines

Info

Publication number
DE3070680D1
DE3070680D1 DE8080107123T DE3070680T DE3070680D1 DE 3070680 D1 DE3070680 D1 DE 3070680D1 DE 8080107123 T DE8080107123 T DE 8080107123T DE 3070680 T DE3070680 T DE 3070680T DE 3070680 D1 DE3070680 D1 DE 3070680D1
Authority
DE
Germany
Prior art keywords
sanitizing
pipelines
cleaning
interior
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8080107123T
Other languages
German (de)
Inventor
Robert James Purinton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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
Priority claimed from US06/122,536 external-priority patent/US4254559A/en
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of DE3070680D1 publication Critical patent/DE3070680D1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
    • B08B9/0555—Gelled or degradable pigs

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Insulated Conductors (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE8080107123T 1979-11-20 1980-11-17 Method for cleaning and sanitizing the interior of pipelines Expired DE3070680D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9610679A 1979-11-20 1979-11-20
US10678479A 1979-12-26 1979-12-26
US06/122,536 US4254559A (en) 1980-02-19 1980-02-19 Method for drying pipelines

Publications (1)

Publication Number Publication Date
DE3070680D1 true DE3070680D1 (en) 1985-06-27

Family

ID=27378095

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080107123T Expired DE3070680D1 (en) 1979-11-20 1980-11-17 Method for cleaning and sanitizing the interior of pipelines

Country Status (4)

Country Link
EP (1) EP0029243B1 (en)
CA (1) CA1145902A (en)
DE (1) DE3070680D1 (en)
NO (1) NO157744C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4416703A (en) * 1981-11-20 1983-11-22 Shell Oil Company System for removing debris from pipelines
GB2167078B (en) * 1984-11-14 1988-04-13 Schlumberger Cie Dowell Method and composition for the treatment of pipelines
DE69013059D1 (en) * 1989-06-06 1994-11-10 Pumptech Nv Method and device for temporarily sealing pipelines.
GB0113006D0 (en) * 2001-05-30 2001-07-18 Psl Technology Ltd Intelligent pig
DE10206989A1 (en) 2002-02-19 2003-08-21 Basf Ag Production of phthalic anhydride involves gas-phase oxidation of o-xylene or naphthalene in a tubular reactor containing three or more different catalyst beds with controlled hot-spot temperatures
CO6170073A1 (en) * 2008-12-12 2010-06-18 Ecopetrol Sa ONLINE PROCESS FOR THE PRODUCTION OF AN INTERFACE SEPARATOR GEL AND PIPE CLEANER
GB2580986A (en) * 2019-02-04 2020-08-05 Aubin Ltd Method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003393A (en) * 1973-02-14 1977-01-18 The Dow Chemical Company Gel-like composition for use as a pig in a pipeline
US4216026A (en) * 1979-02-05 1980-08-05 Shell Oil Company System for removing fluid and debris from pipelines

Also Published As

Publication number Publication date
NO157744C (en) 1988-05-11
CA1145902A (en) 1983-05-10
NO157744B (en) 1988-02-01
NO803492L (en) 1981-05-21
EP0029243A1 (en) 1981-05-27
EP0029243B1 (en) 1985-05-22

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee