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Degradation method of oily soil based on the combination of Proximonas, Bacillus and electric field

A Bacillus and Oxymonas technology, applied in microorganism-based methods, restoration of polluted soil, biochemical equipment and methods, etc., can solve problems such as lack of high added value, and achieve cost savings, cost reduction, operation simple effect

Inactive Publication Date: 2018-02-27
XI'AN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, judging from the current status of comprehensive utilization technology, there is still a lack of advanced treatment and utilization technology with high added value. All parts of the country should adapt to local conditions and seek reasonable and effective treatment methods for comprehensive utilization and solving the problem of oil sludge pollution. If a kind of The economical and practical method of harmless treatment of oily sludge and recovery of residual oil will not only produce certain economic benefits, but also reduce pollution, and ultimately make a huge contribution to environmental protection and human health

Method used

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  • Degradation method of oily soil based on the combination of Proximonas, Bacillus and electric field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] According to the volume ratio of 1:1, Pseudomonas and Bacillus were respectively taken; the weighed Pseudomonas and Bacillus were respectively put into two fermentation tanks for sealed fermentation, and the fermentation time was 45h; Afterwards, Proximonas and Bacillus were mixed to form a mixed bacterial liquid; respectively weigh ammonium nitrate NH 4 NO 3 , Potassium dihydrogen phosphate KH 2 PO 4 , and the weighed ammonium nitrate NH 4 NO 3 , Potassium dihydrogen phosphate KH 2 PO 4 Add together in the mixed bacterial solution to prepare the bacterial agent for treating oily soil, wherein 0.032g of ammonium nitrate and 0.004g of potassium dihydrogen phosphate will be added to each liter of mixed bacterial solution;

[0065] The oily soil to be treated and sawdust were weighed respectively according to the mass ratio of 27:1; the oil content in the oily soil to be treated was 3%; the oily soil to be treated was mixed with sawdust, and the Mix the oily soil to...

Embodiment 2

[0071] According to the volume ratio of 1.5:1, Pseudomonas and Bacillus were respectively taken; the weighed Pseudomonas and Bacillus were respectively put into two fermentation tanks for sealed fermentation, and the fermentation time was 46h; Afterwards, Proximonas and Bacillus were mixed to form a mixed bacterial liquid; respectively weigh ammonium nitrate NH 4 NO 3 , Potassium dihydrogen phosphate KH 2 PO 4 , and the weighed ammonium nitrate NH 4 NO 3 , Potassium dihydrogen phosphate KH 2 PO 4 Add together in the mixed bacterial solution to prepare the bacterial agent for treating oily soil, wherein 0.032g of ammonium nitrate and 0.004g of potassium dihydrogen phosphate will be added to each liter of mixed bacterial solution;

[0072] The oily soil to be treated and sawdust were weighed respectively according to the mass ratio of 27.5:1; wherein the oil content in the oily soil to be treated was 4%; the oily soil to be weighed was mixed with sawdust and stirred to Th...

Embodiment 3

[0078] According to the volume ratio of 2:1, Pseudomonas and Bacillus were respectively taken; the weighed Pseudomonas and Bacillus were respectively put into two fermentation tanks for sealed fermentation, and the fermentation time was 47h; Afterwards, Proximonas and Bacillus were mixed to form a mixed bacterial liquid; respectively weigh ammonium nitrate NH 4 NO 3 , Potassium dihydrogen phosphate KH 2 PO 4 , and the weighed ammonium nitrate NH 4 NO 3 , Potassium dihydrogen phosphate KH 2 PO 4 Add together in the mixed bacterial solution to prepare the bacterial agent for treating oily soil, wherein 0.032g of ammonium nitrate and 0.004g of potassium dihydrogen phosphate will be added to each liter of mixed bacterial solution;

[0079] The oily soil to be treated and sawdust were weighed respectively according to the mass ratio of 28:1; the oil content in the oily soil to be treated was 5%; the oily soil to be treated was mixed with sawdust, and the The oily soil to be ...

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Abstract

The method for degrading oily soil based on the combination of Pseudomonas, Bacillus and electric field disclosed by the present invention is specifically implemented in accordance with the following steps: Step 1, using Pseudomonas and Bacillus to prepare a bacterial agent for treating oily soil; step 2. Weigh the oily soil to be treated, pre-treat the oily soil to be treated, fill the oily soil after the pretreatment into the repair box for oily soil; step 3, use the bacterial agent for the oily soil prepared in step 1 Add it to the oily soil in the restoration box in step 2, and apply an electric field to the oily soil in the restoration box, and complete the degradation of the oily soil under the joint action of the bacterial agent for the oily soil and the electric field. The invention is based on the method for degrading the oily soil combined with the Pseudomonas, Bacillus and electric field, can treat the oily soil and effectively reduce the oil content in the oily soil.

Description

technical field [0001] The invention belongs to the technical field of oily soil treatment methods, and in particular relates to a method for degrading oily soil based on the combination of Pseudomonas, Bacillus and an electric field. Background technique [0002] At present, the most difficult thing to deal with in solid waste treatment is oily sludge, which is produced in the accidental leakage of crude oil and equipment management such as drilling, operation, workover, oil production, gathering and transportation, storage and transportation in the process of crude oil exploitation. Yes, its existence has caused great hidden dangers to the surrounding ecological environment, and it must be treated harmlessly. If the oil in the oily sludge directly enters the soil, it will cause great pollution to the soil. [0003] Normally, the pollution of oil to the soil is mainly concentrated in the surface layer of about 20cm. It has strong adhesion and low emulsification ability, wh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09C1/10C02F11/02C12N1/20C12R1/07C12R1/01C02F103/10
Inventor 孙先锋杨波波金鹏康朱欣洁沈玲侯海云
Owner XI'AN POLYTECHNIC UNIVERSITY