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Curing agent for oily sludge incineration innocent treatment and usage method of curing agent

A technology of harmless treatment and sludge incineration, applied in chemical instruments and methods, other chemical processes, etc., can solve problems such as secondary pollution, human and environmental hazards, achieve good economic and social benefits, and be beneficial to the environment Protect and realize the effect of resource processing

Inactive Publication Date: 2012-09-19
XINJIANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the process of using incineration to incinerate oil sludge, it is easy to produce secondary pollution, such as incineration fly ash, which contains heavy metals, dissolved salts, dioxins and furans and other pollutants, which will cause serious harm to humans and the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Take 0.5g of white Portland cement and 0.5g of NaOH, add it to 10g of water, mix well, then add this solidifying agent to 50g of oily sludge, stir and mix, after drying, keep the mixture at 900°C for 2 hours. The results showed that the product was a large solid particle, solidified well, and easily entered the water body.

[0018] The oily sludge used in the experiment was obtained from Xinjiang Oilfield Company.

Embodiment 2

[0020] Take 0.25g of white Portland cement and 0.25g of NaOH, add it to 10g of water, mix well, then add this solidifying agent to 50g of oily sludge, stir and mix, and after drying, keep the mixture at 900°C for 2 hours. The results showed that the product was a large solid particle, solidified well, and easily entered the water body.

[0021] The oily sludge used in the experiment was obtained from Xinjiang Oilfield Company.

Embodiment 3

[0023] Take 0.25g of white Portland cement, Na 2 CO 3 Add 0.25g into 10g of water, mix evenly, then add this solidifying agent into 50g of oily sludge, stir and mix, after drying, keep the mixture at 900°C for 2 hours. The results showed that the product was a large solid particle, solidified well, and easily entered the water body.

[0024] The oily sludge used in the experiment was obtained from Xinjiang Oilfield Company.

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PUM

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Abstract

The invention provides a curing agent for oily sludge incineration innocent treatment and a usage method of the curing agent. The curing agent comprises, by mass, 1-20% of cement, 1-20% of a fluxing agent and 60-98% of water. The curing agent which accounts for 10-50% of the mass of the oily sludge is added in the oily sludge, the flying ash generated by the oily sludge incineration can be restrained effectively, the incinerated products are agglomerated, and the effect of slagging control is achieved. The curing agent is low is cost, convenient to use and capable of solving the secondary pollution problem caused by the oily sludge incineration effectively, so that the heating energy can be used fully and cleanly and furnace slags produced by the oily sludge incineration can be used for paving roadbeds and serve as building materials, and the harmless and recycling treatment of the oily sludge is achieved truly. Besides, the curing agent is beneficial to environmental protection and has good economic and social benefits.

Description

technical field [0001] The invention belongs to the technical field of sludge treatment, and in particular relates to a solidifying agent for solidifying oil sludge incineration fly ash and a method for using the same, which is suitable for incineration and harmless treatment of various oily sludges. Background technique [0002] Oily sludge is produced during the development and production of oil fields and the production process of the petrochemical industry. It mainly includes ground mud and drilling mud produced during the extraction of crude oil, tank bottom sludge produced during the gathering and transportation of oil fields and oil refineries. And the sludge generated in the treatment of oily sewage by sewage treatment plants. These oily sludges are produced in a large amount and contain high levels of toxic and harmful substances. They are one of the main pollutants produced by oil fields and petrochemical enterprises, and they exert great pressure on the protection...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/22
Inventor 宿新泰李怡招王吉德马凤云
Owner XINJIANG UNIVERSITY
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