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Rapid gel breaker for treating xanthan gum system oil sludge emulsion as well as preparation method and application of rapid gel breaker

A gel breaker and sewage sludge technology, which is applied in sludge treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of no attention to dehydration rate, long stirring time for demulsification, and low oil recovery rate To achieve the effect of enhancing water solubility and adsorption capacity, enhancing demulsification and degreasing effect, and reducing interfacial tension

Active Publication Date: 2021-06-18
湖北亮绿环保技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Patent document CN103803766A provides a low-temperature oil sludge demulsifier, which achieves a higher oil recovery rate, but the demulsification stirring time is longer; patent document CN109020107A reports a three-phase separator for oil sludge demulsification, but does not provide relevant test data; Patent document CN108975646A reports an oil sludge demulsifier with an oil recovery rate of 88.45-92.57%. The above-mentioned patents do not pay attention to the index of dehydration rate; at the same time, it can be seen that there is a demulsification time in the prior art Shortcomings of long life and low oil recovery rate

Method used

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  • Rapid gel breaker for treating xanthan gum system oil sludge emulsion as well as preparation method and application of rapid gel breaker
  • Rapid gel breaker for treating xanthan gum system oil sludge emulsion as well as preparation method and application of rapid gel breaker
  • Rapid gel breaker for treating xanthan gum system oil sludge emulsion as well as preparation method and application of rapid gel breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of quick breaker that is used for xanthan gum system sewage sludge emulsion treatment, by weight percentage, is made of following components:

[0030]

[0031] The preparation method of described quick breaker is as follows:

[0032] (1) Preparation of mixture A: Weigh 6g of calcium chloride, 9g of alkyl glycoside prepolymer, and 18g of silicone-modified polyether, add them into deionized water, and stir at 50°C for 15min to obtain mixture A;

[0033] Among them, the preparation of silicone-modified polyether includes the following steps: Weigh 120g of allyl polyether and 40g of hydrogen-containing silicone oil, add 0.3g of chloroplatinic acid and react at 90°C for 2h, then add 14g of allylsulfonic acid Na, continue to react at 90°C for 50 minutes to obtain the silicone-modified polyether;

[0034] Wherein, the preparation of the alkyl glycoside prepolymer includes the following steps: mixing 9 g of alkyl glycoside with 9 g of water, then raising the temperat...

Embodiment 2

[0040] A kind of quick breaker that is used for xanthan gum system sewage sludge emulsion treatment, by weight percentage, is made of following components:

[0041]

[0042]

[0043] The preparation method of described quick breaker is as follows:

[0044] (1) Preparation of mixture A: Weigh 5g of calcium chloride, 10g of alkyl glycoside prepolymer, and 17g of silicone-modified polyether respectively, add them into deionized water, and stir at 50°C for 20min to obtain mixture A;

[0045] Wherein, the preparation of the alkyl glycoside prepolymer includes the following steps: mixing 9 g of alkyl glycoside with 9 g of water, then raising the temperature to 40° C. and keeping it warm for 45 minutes; then raising the temperature to 85° C. and keeping it warm for 70 minutes, and cooling to room temperature to obtain the product;

[0046] Among them, the preparation of silicone-modified polyether includes the following steps: Weigh 120g of allyl polyether and 40g of hydrogen-c...

Embodiment 3

[0052]A kind of quick breaker that is used for xanthan gum system sewage sludge emulsion treatment, by weight percentage, is made of following components:

[0053]

[0054]

[0055] The preparation method of described quick breaker is as follows:

[0056] (1) Preparation of mixture A: Weigh 7g of calcium chloride, 5g of alkyl glycoside prepolymer, and 15g of silicone-modified polyether, add them into deionized water, and stir at 50°C for 25min to obtain mixture A;

[0057] Wherein, the preparation of the alkyl glycoside prepolymer includes the following steps: mixing 9 g of alkyl glycoside with 9 g of water, then raising the temperature to 40° C. and keeping it warm for 45 minutes; then raising the temperature to 85° C. and keeping it warm for 70 minutes, and cooling to room temperature to obtain the product;

[0058] Among them, the preparation of silicone-modified polyether includes the following steps: Weigh 120g of allyl polyether and 40g of hydrogen-containing silic...

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Abstract

The invention discloses a rapid gel breaker for treating xanthan gum system oil sludge emulsion and a preparation method of the rapid gel breaker. The rapid gel breaker is prepared from modified cellulose, polymerized organic titanium, polydimethylsiloxane, alkyl glycoside, organic modified polyether, calcium chloride and ammonium persulfate. The prepared rapid gel breaker is very high in gel breaking efficiency, rapid gel breaking can be achieved within 20 s, meanwhile, the dehydration rate is 93% or above, the oil recovery rate is 97% or above, and the rapid gel breaker has good application prospects in actual production.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a fast gel breaker for xanthan gum system sewage sludge emulsion treatment and a preparation method and application thereof. Background technique [0002] With the development of crude oil extraction technology, polymers, surfactants, plugging agents, demulsifiers, bactericides, corrosion inhibitors and other substances will be used in the process of crude oil extraction to achieve the purpose of demulsification, oil displacement, dehydration, etc. . Among them, drilling fluid refers to the general term of various circulating fluids that meet the needs of drilling work with its multiple functions during the oil and gas drilling process. Its main functions are to carry and suspend cuttings, stabilize the well wall and balance formation pressure, cool and lubricate the drilling tools, transfer hydraulic power, protect oil and gas layers, etc.; generall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00C02F11/148
CPCC02F11/00C02F11/148
Inventor 谭乔
Owner 湖北亮绿环保技术有限公司
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