CN112844219A

CN112844219A - Low-foaming amphoteric surfactant

Info

Publication number: CN112844219A
Application number: CN202110206327.4A
Authority: CN
Inventors: 王利伟; 胡小雷; 王瑛
Original assignee: Jiangsu Four New Interface Agent Science And Technology Co ltd
Current assignee: Jiangsu Four New Interface Agent Science And Technology Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-05-28

Abstract

The invention discloses a low-foam amphoteric surfactant, which comprises the following steps: the method comprises the following steps: crude oil treatment, wherein the crude oil treatment comprises more than 98 percent of normal alkane, preferably C13-C17, less than or equal to 0.06 percent of aromatic hydrocarbon, less than 5g/100g of iodine value, less than 0.03 percent of water, less than 0.2 percent of oxygen content in chlorine and SO2 gas, and air leakage is avoided. Through readjusting to the preparation technology of active agent, at first need guarantee during crude oil treatment that no air leaks into in the reaction process, and in order to avoid the influence of reaction heat to preparation technology in the ultraviolet lamp reaction, the mode of internal cooling has been adopted and has been tested, the stability of raw materials has been guaranteed, and the internal cooling adopts the cooling tube to cool off, and this kind of cooling mode is effectual, and reaction temperature is stable, in addition the various compositions of strict control deoiling desalination, guaranteed that this surfactant produces less harmful substance after using, be favorable to the environmental protection.

Description

Low-foaming amphoteric surfactant

Technical Field

The invention relates to the technical field of active agents, in particular to a low-foam amphoteric surfactant.

Background

The activator can increase the activity of the organic accelerator to fully exert the effect, thereby reducing the dosage of the accelerator or shortening the vulcanization time.

The yield and variety of the existing surfactant are increased year by year, a considerable amount of surfactant is discharged to the nature after being used, and in addition, the relationship between the biodegradation of the surfactant and the environmental protection is very close, because the discharge of a large amount of wastewater containing the surfactant not only directly harms the aquatic environment, kills microorganisms in the environment, inhibits the degradation of other toxic substances, but also leads to the reduction of dissolved oxygen in water.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a low-foaming amphoteric surfactant, and solves the problem of xxxx.

In order to achieve the purpose, the invention provides the following technical scheme: a low-foaming amphoteric surfactant comprising the steps of:

the method comprises the following steps: crude oil treatment, wherein the crude oil treatment comprises more than 98 percent of normal alkane, preferably C13-C17, less than or equal to 0.06 percent of aromatic hydrocarbon, less than 5g/100g of iodine value, less than 0.03 percent of water, less than 0.2 percent of oxygen content in chlorine and SO2 gas and avoids air leakage;

step two: carrying out sulfochlorination reaction, wherein the sulfochlorination reaction is initiated by an ultraviolet lamp, mixing SO2 and C12 in a gas mixer according to the ratio of 1.1:1, introducing the mixture into a reactor, and absorbing heat in an internal cooling mode when the reaction has a heat release phenomenon, namely installing a cooling pipe in the reactor;

step three: degassing and saponifying, wherein degassing and saponifying are carried out by dissolving a part of HCI, unreacted C12 and SO2 in the product, blowing off these gases by using compressed air until the content of free acid in the reaction mixture is less than 0.1%, and then feeding the reaction mixture into a saponifying kettle, wherein the whole saponifying process is maintained slightly alkaline, the neutralization temperature is maintained at 97 ℃, and the content of free alkali is 0.2%;

step four: deoiling and desalting, wherein the deoiling and desalting comprises the components of unreacted wax oil, HCL, CL2, SO2 and inorganic salt.

Preferably, the sulfonyl chloride products are different and all alkali concentrations are different for saponification.

Preferably, the crude oil is treated by readjusting the preparation process of the active agent so as to ensure that no air leaks in during the reaction.

Preferably, in order to avoid the influence of reaction heat on the preparation process during the reaction of the ultraviolet lamp, an internal cooling mode is adopted for testing, so that the stability of the raw materials is ensured, and the internal cooling is realized by adopting a cooling pipe, so that the cooling mode has a good effect and the reaction temperature is stable.

Preferably, various components for deoiling and desalting are strictly controlled, so that the surfactant can generate less harmful substances after being used, the environment is protected, and the environment is protected.

Compared with the prior art, the invention has the following beneficial effects:

through readjusting to the preparation technology of active agent, at first need guarantee during crude oil treatment that no air leaks into in the reaction process, and in order to avoid the influence of reaction heat to preparation technology in the ultraviolet lamp reaction, the mode of internal cooling has been adopted and has been tested, the stability of raw materials has been guaranteed, and the internal cooling adopts the cooling tube to cool off, this kind of cooling method is effectual, reaction temperature is stable, in addition the various compositions of strict control deoiling desalination, guaranteed that this surfactant produces less harmful substance after using, the environment is protected, be favorable to the environmental protection.

Detailed Description

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that: a low-foaming amphoteric surfactant comprising the steps of:

The sulfonyl chloride products vary, and all alkali concentrations are different for saponification.

By readjusting the preparation process of the active agent, no air leakage is ensured in the reaction process during crude oil treatment.

In order to avoid the influence of reaction heat on the preparation process during the reaction of the ultraviolet lamp, an internal cooling mode is adopted for testing, the stability of the raw materials is ensured, and the internal cooling is realized by adopting a cooling pipe, so that the cooling mode has a good effect and stable reaction temperature.

Various components for deoiling and desalting are strictly controlled, so that less harmful substances are generated after the surfactant is used, the environment is protected, and the environment is protected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The low-foam amphoteric surfactant is characterized by comprising the following steps:

2. The low-foaming amphoteric surfactant according to claim 1, characterized in that: the sulfonyl chloride products vary, and all alkali concentrations are different for saponification.

3. The low-foaming amphoteric surfactant according to claim 1, characterized in that: by readjusting the preparation process of the active agent, no air leakage is ensured in the reaction process during crude oil treatment.

4. The low-foaming amphoteric surfactant according to claim 1, characterized in that: in order to avoid the influence of reaction heat on the preparation process during the reaction of the ultraviolet lamp, an internal cooling mode is adopted for testing, the stability of the raw materials is ensured, and the internal cooling is realized by adopting a cooling pipe, so that the cooling mode has a good effect and stable reaction temperature.

5. The low-foaming amphoteric surfactant according to claim 1, characterized in that: various components for deoiling and desalting are strictly controlled, so that less harmful substances are generated after the surfactant is used, the environment is protected, and the environment is protected.