发明名称 |
Process of recovering useful material through cracking of plastic material |
摘要 |
There is provided a process to recover phthalic anhydride from a plastic material which contains a phthalate ester as a plasticizer comprising the steps of: (a) heating the plastic material so that the plastic material is gasified to produce a first product, (b) contacting the first product with alumina catalyst so that the product is catalytically cracked to produce a first catalytically cracked product comprising phthalic anhydride; and (c) recovering phthalic anhydride from the first catalytically cracked product.
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申请公布号 |
US5895827(A) |
申请公布日期 |
1999.04.20 |
申请号 |
US19970881355 |
申请日期 |
1997.06.24 |
申请人 |
MAZDA MOTOR CORPORATION |
发明人 |
TAKAHASHI, TOSHIKI;FUKUSHIMA, TATSUTO;TANIMOTO, YOSHIO;MURAOKA, AKEMI |
分类号 |
C07C51/56;C07C63/16;(IPC1-7):C07C1/00;C01B7/07 |
主分类号 |
C07C51/56 |
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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