GB846219A - Improvements in or relating to processes for the removal of carbon black particles from suspension in an aqueous liquid - Google Patents

Improvements in or relating to processes for the removal of carbon black particles from suspension in an aqueous liquid

Info

Publication number
GB846219A
GB846219A GB27211/58A GB2721158A GB846219A GB 846219 A GB846219 A GB 846219A GB 27211/58 A GB27211/58 A GB 27211/58A GB 2721158 A GB2721158 A GB 2721158A GB 846219 A GB846219 A GB 846219A
Authority
GB
United Kingdom
Prior art keywords
carbon black
suspension
hydrocarbon
water
liquid
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
GB27211/58A
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.)
Bataafsche Petroleum Maatschappij NV
Original Assignee
Bataafsche Petroleum Maatschappij NV
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 Bataafsche Petroleum Maatschappij NV filed Critical Bataafsche Petroleum Maatschappij NV
Publication of GB846219A publication Critical patent/GB846219A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44—Carbon
    • C09C1/48—Carbon black
    • C09C1/56—Treatment of carbon black ; Purification
    • C09C1/58—Agglomerating, pelleting, or the like by wet methods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

Carbon black particles are separated from an aqueous suspension thereof by contacting the suspension at between 60 DEG and 95 DEG C. with a water immiscible liquid which is predominantly a hydrocarbon fraction having a boiling point or boiling range between 190 DEG C.-400 DEG C., vigorously agitating the resultant mixture and separating the aggregates of carbon black and water immiscible liquid so formed from the aqueous phase. The aqueous suspension of carbon black may be obtained as the result of washing gases e.g. H2, and CO, produced by the partial combustion of hydrocarbons with oxygen or oxygen containing gases, with water. The hydrocarbon fraction has a boiling point or boiling range of preferably 190-350 DEG C. and may be for example, catalytically cracked cycle oils, certain lubricating oil fractions, but preferably gas oil. The aqueous suspension at 60-95 DEG C. is mixed with the liquid hydrocarbon fraction in proportion of 0.7-5 preferably 1-3 parts by weight of hydrocarbon to one part by weight of suspended carbon black, in a propeller mixer operated so that the peripheral speed of the propeller is 4 metres/sec. and creates a vortex in the surface of the liquid mixture. Aggregates of carbon black and hydrocarbon having a diameter of 2-6 mm. are drawn off from the mixer together with water freed from suspended carbon black and are finally separated from the aqueous phase by means of a screen.
GB27211/58A 1957-08-26 1958-08-25 Improvements in or relating to processes for the removal of carbon black particles from suspension in an aqueous liquid Expired GB846219A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL846219X 1957-08-26
NL1201816X 1957-08-26
NL220225 1957-08-26

Publications (1)

Publication Number Publication Date
GB846219A true GB846219A (en) 1960-08-31

Family

ID=61192591

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27211/58A Expired GB846219A (en) 1957-08-26 1958-08-25 Improvements in or relating to processes for the removal of carbon black particles from suspension in an aqueous liquid

Country Status (5)

Country Link
BE (1) BE570612A (en)
CH (1) CH373122A (en)
FR (1) FR1201816A (en)
GB (1) GB846219A (en)
MY (1) MY6100050A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605001A1 (en) * 1975-02-10 1976-08-19 Shell Int Research PROCESS FOR SEPARATING CARBON PARTICLES FROM Aqueous Sludge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605001A1 (en) * 1975-02-10 1976-08-19 Shell Int Research PROCESS FOR SEPARATING CARBON PARTICLES FROM Aqueous Sludge

Also Published As

Publication number Publication date
FR1201816A (en) 1960-01-06
MY6100050A (en) 1961-12-31
BE570612A (en) 1959-02-25
CH373122A (en) 1963-11-15

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