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A kind of treatment method of oil sludge sand

A treatment method and technology of oily sludge sand, applied in sludge treatment, water/sludge/sewage treatment, treatment of hydrocarbon oil, etc., can solve the problem of oil content not meeting national standards, etc., and achieve comprehensive recycling, short cycle, The effect of accelerating the rate of catalytic cracking

Active Publication Date: 2022-04-05
CHINA UNIV OF GEOSCIENCES (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the defect in the prior art that the oil content of oily sand after treatment does not meet the national standard, thereby providing a treatment method for oily sand

Method used

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  • A kind of treatment method of oil sludge sand
  • A kind of treatment method of oil sludge sand
  • A kind of treatment method of oil sludge sand

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The present embodiment provides a kind of processing method of oil sludge sand, and concrete steps are as follows:

[0041] (1) Weigh 500g of oil sludge sand (raw material provided by COSL) for crushing treatment. After crushing, sieve the oil sludge sand with an aperture range of 0.075-2mm into a clean beaker, add 1L of clean water and put it into an ultrasonic instrument. Ultrasonic treatment, the ultrasonic frequency is 20kHz, the ultrasonic temperature is 50°C, and the ultrasonic time is 30min. The ultrasonic cavitation is used to remove the oil on the surface of the oil sludge and sand, and the oily liquid in the upper layer is recycled.

[0042] (2) Put the ultrasonically treated solid oil sludge into the reaction kettle, add 250g of deoiling catalyst and 250g of demulsification catalyst, wherein, in the deoiling catalyst, secondary alkyl sulfonate SAS, fatty acid methyl ester sulfonate sodium MES, fatty acid Methyl Ethoxylate FMEE, Sodium Dodecylbenzene Sulfonate...

Embodiment 2

[0050] The present embodiment provides a kind of processing method of oil sludge sand, and concrete steps are as follows:

[0051] (1) Weigh 50g of oil sludge sand (raw material provided by COSL) for crushing treatment, and then sieve the oil sludge sand with an aperture range of 0.075-2mm into a clean beaker, add 100ml of water and put it into an ultrasonic instrument for further processing Ultrasonic treatment, the ultrasonic frequency is 20kHz, the ultrasonic temperature is 20°C, and the ultrasonic time is 10min. The ultrasonic cavitation is used to remove the oil on the surface of the oil sludge and sand, and the oily liquid in the upper layer is recycled.

[0052] (2) Put the ultrasonically treated solid oil sludge into the reaction kettle, add 5g of deoiling catalyst and 5g of demulsification catalyst, wherein, in the deoiling catalyst, secondary alkyl sulfonate SAS, fatty acid methyl ester sulfonate sodium MES, fatty acid Methyl Ethoxylate FMEE, Sodium Dodecylbenzene Su...

Embodiment 3

[0056] The present embodiment provides a kind of processing method of oil sludge sand, and concrete steps are as follows:

[0057] (1) Weigh 1000g of oil sludge sand (raw material provided by COSL) for crushing treatment, and then sieve the oil sludge sand with an aperture range of 0.075-2mm into a clean beaker, add 2L of clean water and put it into an ultrasonic instrument for Ultrasonic treatment, the ultrasonic frequency is 40kHz, the ultrasonic temperature is 80°C, and the ultrasonic time is 120min. The ultrasonic cavitation is used to remove the oil on the surface of the oil sludge and sand, and the oily liquid in the upper layer is recycled.

[0058] (2) Put the ultrasonically treated solid oil sludge into the reactor, add 500g of deoiling catalyst and 500g of demulsification catalyst, wherein, in the deoiling catalyst, secondary alkyl sulfonate SAS, fatty acid methyl ester sulfonate sodium MES, fatty acid Methyl Ethoxylate FMEE, Sodium Dodecylbenzene Sulfonate LAS, Sodi...

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Abstract

The invention belongs to the technical field of oil sludge sand treatment, and in particular relates to a treatment method of oil sludge sand. The method comprises the following steps: crushing the oily mud sand, ultrasonic treatment to obtain solid oily mud sand and oily liquid; mixing the solid oily mud sand with the first deoiling catalyst, the first demulsification catalyst, and prepared medicaments, performing hydrothermal carbonization reaction, and cooling to obtain surface slick oil and solid components, wherein, the prepared agent is a mixed aqueous solution of the second deoiling catalyst and the second demulsification catalyst; the obtained solid components are filtered and dried to obtain dried oil sludge sand. Through the cooperation of various steps, especially the limitation of the addition method of deoiling catalyst and demulsification catalyst, the method only needs one-time treatment, the process is simple and easy to operate, the cycle is short and pollution-free, and the low-cost and non-polluting oil sludge sand is realized. Harmful and resourceful treatment, the total petroleum hydrocarbon (C10‑C40) content in the oil sludge sand after treatment is all below 0.3%, which meets the harmless discharge standards stipulated by the state.

Description

technical field [0001] The invention belongs to the technical field of oil sludge sand treatment, and in particular relates to a treatment method of oil sludge sand. Background technique [0002] A large amount of oil sludge sand is produced in the process of crude oil extraction, storage, transportation and refining. The oil sludge sand generally has an oil content of 3% to 20%. Suspended solids and toxic and harmful substances such as heavy metal salts, benzene series, phenol, and anthracene have the characteristics of sufficient emulsification, high viscosity, and difficult disposal. If they are not treated and discharged directly, they will pollute the environment, destroy ecology, and endanger human health. In addition, oil sludge sand is also rich in petroleum substances, etc., which has a certain recycling value. [0003] With the gradual depletion of oil resources, the task of environmental pollution control has gradually intensified, and the treatment and reuse of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/147C02F11/15C02F11/12C02F11/121C10G1/00
CPCC02F11/147C02F11/15C02F11/12C02F11/121C10G1/00C02F2101/32C02F2103/10C02F2103/365C02F2303/06C10G2300/1003
Inventor 刘菲王聪毅陈亮汪伶俐童林林
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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