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Blue carbon tar (one)
專家姓名：曹禮栓 類別：Blue carbon tar
The composition of the low-medium temperature coal tar
(Summary)
The low-medium temperature coal tar is presented, which takes the tar produced in the blue coke production as the subject. This kind of tar and the tar produced in the process of mechanization metallurgical coke production has great differences in the Physical and chemical properties and the products yeild. Here we explain the tar produced in the blue coke production rather than the tar produced in the process of mechanization metallurgical coke production.
The representation as follows (all this article talk about are the yield of distillates)
Classified form:
(a) At room temperature visual non-crystallization fraction is 30-32%
At room temperature visual crystallization fraction is 30-33%
Asphalt distillate is 29-32%
(b) The yield of various components in accordance with process
0-170℃ 6-7%
170-230℃ 6±1%
230-270℃ 12±1%
270-300℃ 8±1%
300-330℃ 11±0.5%
330-360℃ 23±1%
＞360℃ 30±2%
(c)The content of crude phenol: (based on 100 tons of anhydrous-tar)
The content of phenol in the high-quality oil 10tons
The content of phenol in the non-quality oil 8tons
The basic components of crude phenol:
Phenol 15.5-16%
O-cresol 13.5-14.0%
The sum of m-cresol and p-cresol 35%
The sum of Xylenol isomers 34%
These data based on actual production statistics.
發(fā)表時(shí)間：2008-08-09
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