发明名称 |
Process for manufacturing dry granulated powdered carbon black |
摘要 |
<p>A continuous drying process for powdered lampblack, comprises: (i) passing the lampblack through a helical granulator assembly which is formed by a helical sequence of metal quills whose maximum tip speed is 1-6 m/s; (b) allowing an average residence period for the powder of 20-600 seconds; (c) inoculating the raw incoming lampblack with 50 % preferably 5-30% granular lampblack (9); (d) pre-compressing the raw incoming lampblack to 150-300 g/l; and (e) using a dry pearl drum after the helical granulator.</p> |
申请公布号 |
IN191978(B) |
申请公布日期 |
2004.01.31 |
申请号 |
IN1038CA1997 |
申请日期 |
1997.06.04 |
申请人 |
DEGUSSA AG. |
发明人 |
VOGLER, CONNY, DR.;VOGEL, KARL, DR.;KOPIETZ JAN |
分类号 |
B01J2/10;C01B31/14;C09C1/60;(IPC1-7):C09C1/60;C02B31/14 |
主分类号 |
B01J2/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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