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    1. Home
    2. Industries
    3. Energy, Oil & Gas
    4. Petrochemistry
    5. Carbon Black

    Petrochemistry

    Carbon Black Menu  

      Carbon Black

    Chemical Processing

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    Carbon Black 

    Have higher fuel costs, energy concerns and more demanding operating conditions driven a need for heavy-duty specialty refractories for your carbon black reactors?


     Petrochemistry, Carbon Black Hardblack

    Saint-Gobain has supplied a complete range of refractory linings for carbon black reactors worldwide for more than 30 years. Custom engineered solutions for hot face and backup layers in hard black and soft black reactors include:

    • Chromcor® fired or precast chrome-alumina shapes

    • Alundum® AH199, AL100, Alfrax®101 high-purity alumina bricks 

    • Thermal shock resistant Mullfrax® and AL 102 bricks

    • Ziral™ zirconia bricks for the highest temperature capability

    • Fused-cast Jargal M shapes for ultimate erosion resistance

    • Lightweight and dense castables

    • Joining cements and mortars

     

    DOWNLOAD BROCHURE

     

    Trust Saint-Gobain engineers to develop and design ideal refractory materials for soft black reactors. 

     


    Carcass grade carbon blacks are made at a moderate temperature requiring >90% Al2O3 refractory furnace linings. These include high-purity alumina AL 100 or mullite Mullfrax® 202 HF bricks. MonoPural T pre-formed castable blocks can be a suitable alternative under certain operating conditions. Alumina dense and insulating castables such as Criram, RI34, or alumina-mullite bricks like MS4 or MS6 are widely used as backup layers.


    Features and Benefits

    Saint-Gobain refractories offer unparalleled temperature, erosion, abrasion, corrosion and thermal shock resistance for hard black reactors


    Petrochemistry, Carbon Black VenturiOperated under highly demanding conditions to produce best quality, highest yield rates and longer run campaigns, each zone of hard black reactors requires a custom engineered solution. 
     
    High-purity alumina or alumina-chromia product categories with outstanding properties are in use, especially to ensure optimal operation temperature and best performance/cost ratio. 

    For the hot face lining, Saint-Gobain engineers Chromcor® BDAK, a 10% Cr2O3 alumina-chromia material, high-purity alumina AL100 or Alundum® AH199H shapes.

    For Venturis, Monochromcor® 10, a 10% Cr2O3 pre-formed shapes or Monocriram high alumina/low cement pre-formed shapes are recommended. Low cement castables Chromcor® 10 and Criram offer economical solutions in the same reactor areas. In some special cases, fused cast Jargal M is used.

    For extreme temperature conditions, Saint-Gobain offers a high zirconia product (ZA95) with outstanding refractoriness and thermal insulation properties.

    Refractory design solutions developed together with customers and the Saint-Gobain engineering department ensure optimal fit with process parameters and operating conditions. 

    Backup and insulating layers are made of high alumina dense Supcast or insulating RI34 HR castables.

    Specifications

    Specifications


    Alumina/Chrome-alumina / Zirconia Refractories for Carbon Black
      Al2O3
    (%)
    Others
    (%)

    Density
    g/cm3
    (lb/ft3) 

    Porosity (%) Shape
    design
    Specific comments
    AL100 99.50 <0.5 3.32
    (207) 
    16 Standard and special design bricks Hot face lining
    AH199H 99.55 <0.4 3.30
    (206)
    16 Standard and special design bricks / blocks Excellent erosion resistance
    AL102 96 3.0
    (ZrO2)
    3.25
    (203)
    16 Standard and special design bricks Quench zone / high thermal shock resistance
    Mullfrax 202 87 <10
    (SiO2)
    2.80
    (175)
    18 Standard and special design bricks High thermal shock resistance
    ZA95 <0.3 >93
    (ZrO2)
    4.55
    (284)
    19 Standard and special design bricks For temperatures >2000°C
    Monocriram 98 <2.0 3.25
    (203)
    17 Preshaped block Choke sections in single block shape
    Jargal M 95 <4.0
    (Na)
    3.54
    (221)
    4 Fused cast preshaped block Outstanding erosion and chemical resistance

     

     

    Chrome-alumina Refractories for Carbon Black
      Al2O3
    (%)
    Cr2O3
    (%)

    Density
    g/cm3
    (lb/ft3) 

    Porosity (%) Shape
    design
    Specific comments
    Chromcor BDAK 80.0 ~10+4%
    ZrO2
    3.55
    (222)
    12 Standard and special design bricks Hot face lining, special soft black grade
    Chromcor B10 85 ~10 3.48
    (217)
    13 Standard and special design bricks / blocks Hot face lining
    Monochromcor10  85 ~10 3.25
    (203)
    13 Preshaped block Choke sections in single block shape

     

     

    Related Resources

     Carbon Black Solutions (Brochure)
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