Title:
METHOD AND SYSTEM FOR RECYCLING WASTE MINERAL OIL SLUDGE
Document Type and Number:
WIPO Patent Application WO/2022/121342
Kind Code:
A1
Abstract:
The present invention relates to the technical field of deep processing and comprehensive utilization of waste mineral oil sludge, in particular to a method and a system for recycling waste mineral oil sludge. The system comprises a filtering unit, a dechlorination unit, a tubular reaction unit, a retarding pyrolysis unit, a fractionation unit and a hydrofining unit. The present invention can not only solve the problem of deep processing and utilization of waste mineral oil sludge, save the environmental protection costs by deep processing and utilization of the sludge, but also obtain certain high additional value products and increase economic benefits. Moreover, a good raw material can be provided for a hydrofining reactor, and the lubricating oil recovery rate of the whole process of a waste mineral oil regeneration device is improved. Moreover, the process has the characteristics of high yield, less ash and carbon deposit, not easy to coke in a pipeline and easy continuous operation.
Inventors:
WANG MING (CN)
LIU RANSHENG (CN)
ZHANG SHUAI (CN)
ZHOU GUANGLIN (CN)
MENG JIAPING (CN)
QI XINJUN (CN)
LIU RANSHENG (CN)
ZHANG SHUAI (CN)
ZHOU GUANGLIN (CN)
MENG JIAPING (CN)
QI XINJUN (CN)
Application Number:
PCT/CN2021/111462
Publication Date:
June 16, 2022
Filing Date:
August 09, 2021
Export Citation:
Assignee:
NINGBO ZHONGXUN ENV TECH COMPANY LLC (CN)
International Classes:
C02F11/00; C02F11/18; C10B55/00; C10M175/02
Domestic Patent References:
| WO2007125332A1 | 2007-11-08 |
Foreign References:
| CN112607981A | 2021-04-06 | |||
| CN107892990A | 2018-04-10 | |||
| CN111454748A | 2020-07-28 | |||
| CN103421594A | 2013-12-04 |
Attorney, Agent or Firm:
ZIBO QIZHIDA INTELLECTUAL PROPERTY AGENCY (SPECIAL GENERAL PARTNERSHIP) (CN)
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