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公开(公告)号：EP4086326A1
公开(公告)日：2022-11-09
申请号：EP22171271.4
申请日：2022-05-03
摘要： Provided is a technology of converting an oil having a high content of Cl into a solvent. Impurities such as Cl, S, N, and metals are removed from an oil having a boiling point of 180 to 340°C in a waste oil having a high content of Cl, and hydroisomerization is carried out, thereby applying an oil having a high isoparaffin ratio as a solvent.
An embodiment of the present invention is, through a process which, after a separation by boiling points according to the properties of the solvent product, a solid acid material and an oil having a high Cl content are mixed, impurities are removed by a heat treatment at a high temperature, and hydroisomerization is carried out by a noble metal/1-D zeolite catalyst, thereby manufacturing a solvent product.
The solvent product manufactured by the present invention has a high n-paraffin content as compared with a common petroleum-based solvent and a low impurity content, thereby having high quality as a solvent, and also has a high isoparaffin ratio of 15 wt% or more, thereby having good low temperature properties.
Since a waste oil, which, when discarded or burned, may be converted into greenhouse gas or hazardous gas such as SO x , NO x , and Cl-containing gases, is converted into an industrially widely used solvent, the present invention is preferred in terms of environment protection.
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