The present invention relates to a device and a process for introducing gas into a fluidised bed reactor having at least one gas inlet pipe (2, 3) located underneath and/or above the fluidised bed for introducing gas into the fluidised bed, characterized in that the gas inlet pipe (2, 3) has gas-swirling means upstream of and/or at its mouth.

 
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< Method of manufacturing the super-absorbent polymer (SAP) which is powdery, insoluble in water, and able to absorb water, blood and urine and has slight soluble things

< Compounds and preparation for montelukast sodium

> Method of manufacturing the super-absorbent polymer (SAP) which is powdery, insoluble in water, and able to absorb water, blood and urine and has slight soluble things

> Compounds and preparation for montelukast sodium
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