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Method for testing organochlorine content of oil extraction auxiliary agent

A test method and organochlorine technology, which is applied in the field of oil recovery additives, can solve the problems of unfeasible measurement methods and inability to measure the content of inorganic chlorine, so as to improve the level of product quality control, scientific and accurate oil recovery additives, and improve product quality. Effect

Inactive Publication Date: 2013-11-13
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can directly measure the content of total chlorine, but cannot measure the content of inorganic chlorine
If the organic chlorine is measured with a salt content analyzer, the two instruments measure the total chlorine and inorganic chlorine content respectively, and the determination method is not feasible.

Method used

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  • Method for testing organochlorine content of oil extraction auxiliary agent
  • Method for testing organochlorine content of oil extraction auxiliary agent
  • Method for testing organochlorine content of oil extraction auxiliary agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] The test method is carried out as follows:

[0053] a. Determination of total chlorine content:

[0054] a 1. according to figure 1 Cut two sulfuric acid paper flags of the same size, one for the blank and one for the sample. Place 0.04g of absorbent cotton in the center of a sulfuric acid paper flag used for the sample, roll up the absorbent cotton with the sulfuric acid paper flag and fix it on the platinum wire of the support rod of the combustion bottle, add the sample dropwise with a 1mL syringe on the absorbent cotton, and weigh the oil-based sample It is advisable to weigh 0.10g, and the weight of water-based samples is 0.02g, accurate to 0.0001g, and record its mass as m 1 ; Another piece of sulfuric acid paper flag used for the blank is only placed with 0.04g of absorbent cotton, and the quality and size of the absorbent cotton used in the sample and the blank should be as consistent as possible. For chemicals with low volatility, quantitative filter paper c...

Embodiment 2

[0080] The test method is carried out as follows:

[0081] a. Determination of total chlorine content:

[0082] a 1. according to figure 1 Cut two sulfuric acid paper flags of the same size, one for the blank and one for the sample. Place 0.06g of absorbent cotton in the center of a sulfuric acid paper flag used for the sample, roll up the absorbent cotton with the sulfuric acid paper flag and fix it on the platinum wire of the combustion bottle support rod, add the sample dropwise with a 1mL syringe on the absorbent cotton, and weigh the oil-based sample 0.05g is appropriate, the water-based sample weighs 0.05g, accurate to 0.0001 g, and records its mass as m 1 ; Another piece of sulfuric acid paper flag used for the blank is only placed with 0.06g of absorbent cotton, and the quality and size of the absorbent cotton used in the sample and the blank should be as consistent as possible. For chemicals with low volatility, quantitative filter paper can be used instead of su...

Embodiment 3

[0108] The test method is carried out as follows:

[0109] a. Determination of total chlorine content:

[0110] a 1. according to figure 1 Cut two sulfuric acid paper flags of the same size, one for the blank and one for the sample. Place 0.04g of absorbent cotton in the center of a sulfuric acid paper flag used for the sample, roll up the absorbent cotton with the sulfuric acid paper flag and fix it on the platinum wire of the support rod of the combustion bottle, add the sample dropwise with a 1mL syringe on the absorbent cotton, and weigh the oil-based sample It is advisable to weigh 0.10g, and the weight of water-based samples is 0.02g, accurate to 0.0001g, and record its mass as m 1 ; Another piece of sulfuric acid paper flag used for the blank is only placed with 0.04g of absorbent cotton, and the quality and size of the absorbent cotton used in the sample and the blank should be as consistent as possible. For chemicals with low volatility, quantitative filter paper c...

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Abstract

The invention provides a method for testing organochlorine content of an oil extraction auxiliary agent. The method is as below: subjecting a sample to oxygen bottle combustion decomposition to convert organic chlorine into inorganic chlorine; absorbing by a NaOH solution; determining a total content by a salt content determinator; and subtracting the inorganic chlorine to obtain the organochlorine content of the oil extraction auxiliary agent. The invention realizes scientific and accurate usage and detection of oil extraction auxiliary agent for oil fields, effectively enhances product quality control level, actively promotes quality control on oil field products and material purchasing, and plays an important role for later crude oil processing, stabilization operation of oil refining apparatuses, equipment corrosion reduction and product quality improvement.

Description

technical field [0001] The invention relates to oil recovery additives for oil fields, and more particularly relates to a method for testing the content of organic chlorine in oil recovery additives. Background technique [0002] At present, oil production additives are used in large quantities and in various varieties, and there is no scientific and general test method for organic chlorine content. Since the content of organic chlorine in oil recovery additives cannot be directly measured, it is necessary to convert the organic chlorine in the additives into inorganic chlorine first, then measure the content of total chlorine, and then measure the content of inorganic chlorine. The total chlorine minus inorganic chlorine is the agent. organochlorine content. Therefore whether the conversion method and conversion of organic chlorine is the most important technical key. Through relevant literature review and experimental exploration, there are mainly several methods for org...

Claims

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Application Information

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IPC IPC(8): G01N27/26G01N1/28
Inventor 杜灿敏隋林张娜何流
Owner CHINA PETROLEUM & CHEM CORP
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