GB788154A - Process and apparatus for the preparation of soot from acetylene or mixtures of acetylene and hydrocarbons - Google Patents

Process and apparatus for the preparation of soot from acetylene or mixtures of acetylene and hydrocarbons

Info

Publication number
GB788154A
GB788154A GB9972/54A GB997254A GB788154A GB 788154 A GB788154 A GB 788154A GB 9972/54 A GB9972/54 A GB 9972/54A GB 997254 A GB997254 A GB 997254A GB 788154 A GB788154 A GB 788154A
Authority
GB
United Kingdom
Prior art keywords
soot
acetylene
pressure
discharged
outlet
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
GB9972/54A
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.)
Knapsack AG
Knapsack Griesheim AG
Original Assignee
Knapsack AG
Knapsack Griesheim AG
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 Knapsack AG, Knapsack Griesheim AG filed Critical Knapsack AG
Publication of GB788154A publication Critical patent/GB788154A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44Carbon
    • C09C1/48Carbon black
    • C09C1/54Acetylene black; thermal black ; Preparation thereof
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/342Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents with the aid of electrical means, electromagnetic or mechanical vibrations, or particle radiations

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

<PICT:0788154/III/1> In a process for the preparation of soot from acetylene or mixtures of acetylene and hydrocarbons by decomposition under pressure in the absence of oxygen in a vertical splitting tube provided with a spark plug and an outlet at the bottom, the soot is discharged from the splitting tube by the pressure of hydrogen formed and standing above the soot which has settled, without any additional rinsing. The acetylene may be mixed with ethylene, propylene, butane, butylene, or oil gas. Acetylene entering at 2 is passed by compressor 1 into storage tube 4 until a pressure of 15 atmospheres is obtained, automatically adjusted by blow-off valve 5. The gas is then passed into splitting tube 7 through inlet valve 6, when the equalized pressure between 4 and 1 is 10 atmospheres, and decomposed by sparking plug 8. The reaction products are allowed to cool and settle for 48 seconds and are then discharged through outlet valve 9, which is suddenly opened, and cooler 24 to soot collector 21. Control cylinder 10, driven by a synchronous motor, energizes electromagnets 15, 17 and spark plug 8 for the necessary times, while it rotates once per minute, and times for the various steps are quoted for a 1 minute cycle. Electromagnets 15, 17 opening compressed-air valves 13, 18 control opening and closing of inlet and outlet valves 6, 9. The soot may be discharged through sack-filling shoot 22 in the bottom of the soot collector 21, while the hydrogen passes out through filter 23. The splitting tube should be polished inside, and should have a hard metal, e.g. chromium, coating before polishing. The bulk density of the soot is varied, e.g. 20-100 gms/l., by altering the size of opening in the outlet valve, or by installing baffles or nozzles in the discharge pipe.
GB9972/54A 1953-04-08 1954-04-05 Process and apparatus for the preparation of soot from acetylene or mixtures of acetylene and hydrocarbons Expired GB788154A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE788154X 1953-04-08
DE1098845X 1953-04-08
DE329711X 1953-04-08
DEK17670A DE1034792B (en) 1953-04-08 1953-04-08 Device for the production of soot from pure acetylene
DE130254X 1954-02-13

Publications (1)

Publication Number Publication Date
GB788154A true GB788154A (en) 1957-12-23

Family

ID=61187918

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9972/54A Expired GB788154A (en) 1953-04-08 1954-04-05 Process and apparatus for the preparation of soot from acetylene or mixtures of acetylene and hydrocarbons

Country Status (4)

Country Link
CH (1) CH329711A (en)
DE (1) DE1034792B (en)
FR (1) FR1098845A (en)
GB (1) GB788154A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE212345C (en) *
DE667119C (en) * 1934-08-10 1938-11-04 Degussa Production of high quality carbon black

Also Published As

Publication number Publication date
CH329711A (en) 1958-05-15
FR1098845A (en) 1955-08-22
DE1034792B (en) 1958-07-24

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