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Novel composite demulsifier for environmental protection and preparation method of novel composite demulsifier

A composite demulsification, a new type of technology, applied in separation methods, chemical instruments and methods, water/sludge/sewage treatment, etc. simple craftsmanship

Inactive Publication Date: 2016-10-26
慎叶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a new type of composite demulsifier for environmental protection and its preparation method, so as to overcome the disadvantage of "dissolving in water after demulsification" in existing demulsifiers

Method used

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  • Novel composite demulsifier for environmental protection and preparation method of novel composite demulsifier

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Effect test

Embodiment 1

[0025] A novel composite demulsifier for environmental protection, comprising the following components by weight:

[0026] Polyoxypropylene: 10 parts, polyaluminum chloride: 3 parts, sodium hydroxide: 5 parts,

[0027] Granular activated carbon: 10 parts, isobutanol: 5 parts, succinic acid: 3 parts,

[0028] Ethoxypolysilane: 8 parts, carboxymethylcellulose: 3 parts.

Embodiment 2

[0030] A novel composite demulsifier for environmental protection, comprising the following components by weight:

[0031] Polyoxypropylene: 12 parts, polyaluminum chloride: 4 parts, sodium hydroxide: 8 parts,

[0032] Granular activated carbon: 12 parts, isobutanol: 8 parts, succinic acid: 4 parts,

[0033] Ethoxypolysilane: 11 parts, Carboxymethylcellulose: 4 parts.

Embodiment 3

[0035] A novel composite demulsifier for environmental protection, comprising the following components by weight:

[0036] Polyoxypropylene: 15 parts, polyaluminum chloride: 5 parts, sodium hydroxide: 10 parts,

[0037] Granular activated carbon: 15 parts, isobutanol: 10 parts, succinic acid: 5 parts,

[0038] Ethoxypolysilane: 15 parts, carboxymethylcellulose: 5 parts.

[0039] The preparation method of the composite demulsifier in above-mentioned embodiment 1-3 is as follows:

[0040] Step (1): Add isobutanol, sodium hydroxide and the corresponding initiator at the same time, control the temperature at 30-60°C, and continue stirring for 2-3 hours;

[0041] Step (2): mixing the reactant of step (1) with ethoxypolysilane, and stirring for 1 to 2 hours;

[0042] Step (3): Add the above product to the remaining other substances and mix thoroughly to obtain a demulsifier for wastewater treatment.

[0043] In order to directly reflect the effect of this product, the oily waste...

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Abstract

The invention discloses a novel composite demulsifier for environmental protection. The novel composite demulsifier comprises the following components in parts by weight: 10-15 parts of an initiating agent, 3-5 parts of a polymeric flocculation compound, 5-10 parts of sodium hydroxide, 10-15 parts of granular activated carbon, 5-10 parts of isobutanol, 3-5 parts of succinic acid, 8-15 parts of ethoxy polysilane and 3-5 parts of carboxymethyl cellulose. The invention provides the composite demulsifier and a preparation method thereof so as to overcome the defect that a conventional demulsifier is re-dissolved into water after demulsification.

Description

technical field [0001] The invention relates to the field of environmental protection. More specifically, the present invention relates to a novel composite demulsifier for environmental protection and a preparation method thereof. Background technique [0002] Oily wastewater has adverse effects on humans, animals, plants and even the entire ecosystem, and its harm is mainly manifested in the following two aspects: [0003] 1. Harm to the enterprise. Wastewater containing emulsified oil will settle together with suspended particles and iron oxide scale in process facilities and pipeline equipment, forming a relatively viscous sludge mass, which will block pipelines and equipment and affect the normal production. [0004] 2. Harm to the environment. The impact of oil substances on the environment is multifaceted, such as polluting the water body, forming an oil film on the water surface, which can hinder the reoxygenation of the water body, and due to the reduction of dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/40C02F1/52
CPCC02F1/40C02F1/5245
Inventor 慎叶
Owner 慎叶