Method for mfg. particle active carbon and light coal tar by tar dregs
A process for preparing the granular activated carbon and light coal tar from residual tarry includes such steps as loading the residual tarry into carbonizing furnace, carbonizing at 400-900 deg.C, cooling to obtani coke, breaking, classifying, mixing with activator, dewatering activating, washing,...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A process for preparing the granular activated carbon and light coal tar from residual tarry includes such steps as loading the residual tarry into carbonizing furnace, carbonizing at 400-900 deg.C, cooling to obtani coke, breaking, classifying, mixing with activator, dewatering activating, washing, drying to obtain the granular activated carbon with high specific surface area, condensing the gas of light coal tar derived from the top of carbonizing furnace, and fractionating to obtain light coal tar oil. |
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