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    Fertilizer

    Petrochemistry

    Fertilizer Menu  

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    Chemical Processing

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      Fertilizer

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    Fertilizers 

    Do your refractories offer exceptional chemical, wear and thermal shock resistance as well as flexible shape design for various reactors?


    Petrochemistry, Fertilizer-2

    Saint-Gobain offers high-purity alumina and mullite dense and insulating bricks, as well as oxide bonded silicon carbide products for use in the fertilizer industry. Saint-Gobain works in cooperation with major engineering companies in reactor design.

    Saint-Gobain refractories offer exceptional chemical, wear and thermal shock resistance, which contribute to longer equipment lifetimes. Exceptional engineering and production capabilities enable flexible design for even the most challenging refractory shapes for many reactor types. ( Secondary Reforming)

    Saint-Gobain refractories provide high chemical resistance in the production of hydrochloric acid and salt cake.


    Sulfate fertilizers are processed in Mannheim furnaces. The salt feeder is lined with mullite bricks (Mullfrax® 202 HF bricks), while the combustion chamber is lined with Carbofrax® M silicate bonded SiC tiles in the muffle dome to provide good heat transfer onto the salt mix underneath. 

    Carbofrax® domes act as muffles with excellent thermal conductivity and high-temperature chemical resistance, enabling long operational runs.

    Refrax® 20 nitride bonded SiC bricks are best suited for the reaction tank. Cast Refrax® cast nitride bonded SiC offers outstanding chemical resistance to the spout blocks and rabble blades.


    Alumina Refractories specification

    Alumina Refractories
      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, hydrogen atmosphere
    AH199H 99.55 <0.4 3.30
    (206)
    16 Standard and special design bricks / blocks Excellent erosion resistance, hydrogen atmosphere
    Alfrax 101 98.7 <1.0 3.0
    (187)
    22 Standard and special design bricks Hot face lining, hydrogen atmosphere
    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 Hot face lining (carbon black, incinerators, SRU)
    MS2R 87 <10
    (SiO2)
    3.02
    (189)
    15 Standard and special design bricks Hot face lining (carbon black, incinerators, SRU)
    MS4 72 <25 2.50
    (156)
    18 Standard and special design bricks Dense backup lining
    MS6 62 <35 2.53
    (158)
    14 Standard and special design bricks Dense backup lining
    Rl34 98.50

    <1.5

    1.55
    (97)
    50 Standard and special design bricks Type 34 insulating brick, hydrogen atmosphere
    AN599 99.80 <1.0 1.60
    (100)
    55 Standard and special design bricks Type 34 insulating brick, hydrogen atmosphere
    Mullfrax B101 98.4 <1.5 1.48
    (92)
    58 Standard and special design bricks Type 34 insulating brick

    SiC Refractories specification

    SiC Refractories
      SiC
    (%)
    Si +
    SiO2
    Si2ON2+ Si3N4 Al2O3 Others
    (%)
    Density g/cm3
    (lb/ft3)
    Porosity
    (%)
    Shape
    design
    Cryston® CN-183 80   18   <2.0 2.62 16 Standard and special design bricks
    Advancal® 75   23   <2.0 2.62 15 Standard and special design bricks
    Refrax 20 80 3 17   <0.5 2.63 16 Standard and special design bricks
    Cast Refrax 73 5.7 21   <0.5 2.58 16 Cast shapes
    Refrax Top 78 2 17   <3.0 2.7 13 Standard and special design bricks
    Refrax Plus 75   22   <3.0 2.7 13 Standard and special design bricks
    Refrax Pro 75   22   <3.5 2.7 14 Standard and special design bricks
    Carbofrax M 85 13   0.3 <1.7 2.55 16 Standard and special design bricks
    Contact Us for More Information

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