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    • 1. 发明申请
    • METHOD FOR PREVENTING ASBESTOS FROM FREEING AIRBORNE PARTICLES
    • 防止苯甲酸钠从空气中排出的方法
    • WO2003089066A1
    • 2003-10-30
    • PCT/CA2003/000555
    • 2003-04-15
    • BOUCHARD, LucVOISINE, Lisette
    • BOUCHARD, LucVOISINE, Lisette
    • A62D3/00
    • A62D3/40A62D2101/41B09B3/00B09B3/0066B09B3/0083C04B14/405C04B2111/00017C04B20/04
    • The method for preventing asbestos from freeing airborne particles comprises sequentially heating and the asbestos in the following surrounding temperatures values and maintaining the asbestos in these surrounding temperature values until the asbestos changes to the following corresponding colors: a) between 125°F (52°C) and 175°F (79°C) until the asbestos changes to a uniform pale russet-red color; b) between 225°F (107°C) and 275°F (135°C) until the asbestos changes to a uniform dark russet-red color; c) between 325°F (163°C) and 375°F (191°C) until the asbestos changes to a uniform dark orange color; d) between 425°F (218°C) and 475°F (246°C) until the asbestos changes to a uniform red color; e) between 525°F (274°C) and 575°F (302°C) until the asbestos changes to a uniform grey color; and f) between 625°F (329°C) and 675°F (357°C) until the asbestos changes to a uniform opaque white color. Once all the asbestos has reached an opaque white color, the surrounding temperature is decreased to an ambient temperature.
    • 用于防止石棉释放空气中的颗粒的方法包括在以下周围温度值中依次加热石棉并将石棉保持在这些周围温度值中,直到石棉变成以下相应的颜色:a)125°F )和175°F(79℃),直到石棉变成均匀的淡红色 - 红色; b)在225°F(107°C)和275°F(135°C)之间,直到石棉变成均匀的暗的红玫瑰红色; c)在325°F(163°C)和375°F(191°C)之间,直到石棉变成均匀的深橙色; d)在425°F(218°C)和475°F(246°C)之间,直到石棉变成均匀的红色; e)在525°F(274°C)和575°F(302°C)之间,直到石棉变成均匀的灰色; 和f)在625°F(329℃)和675°F(357℃)之间,直到石棉变成均匀的不透明白色。 一旦所有的石棉达到不透明的白色,周围的温度降低到环境温度。