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Separating agent and method for separating petroleum from petroleum sludge

A separation agent, petroleum technology, applied in chemical instruments and methods, sludge treatment, immiscible solvent sludge treatment, etc., can solve the problems of high treatment cost, waste of resources, long treatment period, etc. Inexpensive and simple preparation method

Inactive Publication Date: 2019-01-29
XIAN LANDARUI NEW ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, domestic treatment methods for oily sludge mainly include incineration treatment, solidification treatment, biological treatment, coking treatment, solvent extraction treatment, and reinjection treatment. These methods generally have the disadvantages of long treatment period, high treatment cost and waste of resources.

Method used

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  • Separating agent and method for separating petroleum from petroleum sludge
  • Separating agent and method for separating petroleum from petroleum sludge
  • Separating agent and method for separating petroleum from petroleum sludge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Taking the preparation of 100g of oily sludge thermochemical separation agent as an example, the raw materials used and their mass ratios are as follows:

[0031] Diethylamine Organic Cationic Molecular Film Agent 20g

[0032] Dimethylamine Organic Cationic Molecular Film Agent 20g

[0033] Diisopropylamine Organic Cationic Molecular Film Agent 20g

[0034] Dibutylamine Organic Cationic Molecular Film Agent 20g

[0035] Triethylamine Organic Cationic Molecular Film Agent 20g

[0036] Above-mentioned diethylamine organic cationic molecular membrane agent is prepared by the following method

[0037] In a nitrogen atmosphere, add 69.4g of 50% epichlorohydrin aqueous solution into a 250mL three-necked flask, place the three-necked flask in a water bath, control the temperature of the water bath to 0°C, and add 0.424g of 50% sodium sulfite Aqueous solution and 0.424g mass fraction are 50% potassium persulfate aqueous solution, stir, use constant pressure funnel to dropwi...

Embodiment 2

[0041] Taking the preparation of 100g of oily sludge thermochemical separation agent as an example, the raw materials used and their mass ratios are as follows:

[0042] Diethylamine Organic Cationic Molecular Film Agent 17.65g

[0043] Dimethylamine Organic Cationic Molecular Film Agent 29.40g

[0044] Diisopropylamine Organic Cationic Molecular Film Agent 17.65g

[0045] Dibutylamine Organic Cationic Molecular Film Agent 17.65g

[0046] Triethylamine Organic Cationic Molecular Film Agent 17.65g

[0047] The above-mentioned thermochemical separation agent for preparing oily sludge is made from the following raw materials in proportions by mass:

[0048] Diethylamine organic cationic molecular film agent 0.6 parts

[0049] Dimethylamine organic cationic molecular film agent 1 part

[0050] Diisopropylamine organic cationic molecular film agent 0.6 parts

[0051] Dibutylamine organic cationic molecular film agent 0.6 parts

[0052] Triethylamine organic cationic molecula...

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Abstract

The invention relates to a separating agent and method for separating petroleum from petroleum sludge. The separating agent is prepared by mixing 0.5-2 parts by mass of a diethylamine organic cationicmolecular film agent, 1-2 parts by mass of a dimethylamine organic cationic molecular film agent, 0.5-1.5 parts by mass of a diisopropylamine organic cationic molecular film agent, 0.5-2 parts by mass of a dibutylamine organic cationic molecular film agent, and 0.5-1 part by mass of a triethylamine organic cationic molecular film agent. The thermochemical separating agent for oily sludge preparedby the method is cheap in raw materials, easy in preparation method, stable in properties and good in oil washing effect, and can be used for treating oily sludge, specially oil tank bottom sludge. Compared with a conventional separating agent, a residual oil rate of the tank bottom oily sludge can be reduced to 0.5% at the minimum.

Description

technical field [0001] The invention belongs to the technical field of separation, recovery and resource utilization of oily sludge, and in particular relates to a separating agent and a method for separating petroleum from petroleum sludge. Background technique [0002] The main sources of oily sludge are: oil field exploitation, oil and gas gathering and transportation, and sewage treatment plants. Oily sludge is an important pollutant and pollution source, which is very harmful to the environment; if oily sludge is recycled as a resource, it will be an extremely important resource. At present, domestic treatment methods for oily sludge mainly include incineration treatment, solidification treatment, biological treatment, coking treatment, solvent extraction treatment, and reinjection treatment. These methods generally have the disadvantages of long treatment period, high treatment cost and waste of resources. [0003] The chemical heat washing method is an oily sludge tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00C02F101/32
CPCC02F11/002C02F2101/32
Inventor 孙仙孙蓓
Owner XIAN LANDARUI NEW ENERGY CO LTD
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