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Sulfonation waste mud treatment process

A waste mud and treatment process technology, applied in sludge treatment, biological sludge treatment, water/sludge/sewage treatment, etc., can solve the problems of polluting the ecological environment and ecological balance, failing to meet discharge standards, damage, etc. Achieve the effect of reducing the separation burden, good effect and optimized design

Pending Publication Date: 2018-10-23
库车畅源生态环保科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the above-mentioned problems in the prior art, the present invention proposes a treatment process for sulfonated waste mud, which solves the problem that the sulfonated waste mud cannot be effectively treated and cannot reach the discharge standard, resulting in serious pollution of water quality and soil conditions and Technical problems such as serious damage to the local ecological environment and ecological balance

Method used

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  • Sulfonation waste mud treatment process

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Effect test

Embodiment 1

[0024] 1. A sulfonated waste mud treatment process, characterized in that it comprises the following steps,

[0025] 1) Send the sulfonated mud into the fluidization device 1 through the grabbing device, dilute the sulfonated mud with water in the ratio of 1:1 to 3 in the fluidization device 1, and then add an appropriate amount of biological surface cleaning agent to control the reaction The temperature is 30°C, and the fluidization reaction is 18 minutes;

[0026] 2) After the reaction is completed, the sulfonated mud is pumped into the screening device 2, and the fine sand in the sulfonated mud is removed;

[0027] 3) The sulfonated mud after the desanding operation enters the first homogeneous tank 3, and at the same time, an appropriate amount of polyaluminum chloride and sawdust xanthate are sequentially added to the first homogeneous tank 3 for homogeneous reaction;

[0028] 4) The homogeneously reacted sulfonated mud enters the centrifugal device 4 for solid-liquid se...

Embodiment 2

[0034] 1. A sulfonated waste mud treatment process, characterized in that it comprises the following steps,

[0035] 1) Send the sulfonated mud into the fluidization device 1 through the grabbing device, dilute the sulfonated mud with water in the ratio of 1:1 to 3 in the fluidization device 1, and then add an appropriate amount of biological surface cleaning agent to control the reaction The temperature is 40°C, and the fluidization reaction is 20 minutes;

[0036] 2) After the reaction is completed, the sulfonated mud is pumped into the screening device 2, and the fine sand in the sulfonated mud is removed;

[0037] 3) The sulfonated mud after the desanding operation enters the first homogeneous tank 3, and at the same time, an appropriate amount of polyferric sulfate and sodium diethyldithiocarbamate are sequentially added to the first homogeneous tank 3 for homogeneous reaction ;

[0038] 4) The homogeneously reacted sulfonated mud enters the centrifugal device 4 for sol...

Embodiment 3

[0044] 1. A sulfonated waste mud treatment process, characterized in that it comprises the following steps,

[0045] 1) Send the sulfonated mud into the fluidization device 1 through the grabbing device, dilute the sulfonated mud with water in the ratio of 1:1 to 3 in the fluidization device 1, and then add an appropriate amount of biological surface cleaning agent to control the reaction The temperature is 50°C, and the fluidization reaction is 22 minutes;

[0046] 2) After the reaction is completed, the sulfonated mud is pumped into the screening device 2, and the fine sand in the sulfonated mud is removed;

[0047]3) The sulfonated mud after the desanding operation enters the first homogenizing tank 3, and at the same time, in the first homogenizing tank 3, an appropriate amount of polyaluminum iron silicate and sodium diethyldithiocarbamate are added successively for homogenizing. qualitative response;

[0048] 4) The homogeneously reacted sulfonated mud enters the centr...

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Abstract

The invention discloses a sulfonation waste mud treatment process. The process includes steps: after fluidization reaction of sulfonation mud, removing fine sand from sulfonation mud; performing homogenization reaction in a first homogenization tank; performing solid-liquid separation; subjecting a solid phase obtained in separation to secondary homogenization reaction in a second homogenization tank, and allowing a liquid phase obtained by filter pressing to enter a temporary storage device; subjecting the liquid phase in the temporary storage device to air flotation treatment in a micro-nanoair flotation treatment; after electrochemical reaction of the liquid phase in a high-voltage pulse electrocoagulation treatment unit, subjecting the liquid phase to double-layer filtration in a double-film filter device, enabling part of clean water obtained after filtration to enter a preparation tank to realize agent preparation, and enabling a small quantity of concentrated water to enter anMVR evaporation device to realize evaporative crystallization. The novel process is provided for sulfonation mud treatment, technical simplicity, energy saving and high treatment efficiency are realized, and treated sulfonation mud reaches discharge standards.

Description

technical field [0001] The invention relates to the technical field of oilfield mud treatment, in particular to a sulfonated waste mud treatment process. Background technique [0002] The three-sulfur mud system is also called the sulfonated mud system. It is a high-temperature-resistant mud system with excellent performance and low price commonly used in domestic oil fields. It is mainly used in the deep well drilling process when the drilling depth reaches 2000-3000m. It is widely used in various oil fields. The three-sulfur mud system is a mud system formed by adding sulfonated phenolic resin, sulfonated lignite, sulfonated tannin and other substances to the mud system. [0003] The drilling waste fluid produced during the use of the sulfonated mud system becomes the sulfonated waste mud. The main characteristics of the sulfonated waste mud are high water-soluble COD value and large chroma; the sulfonated waste mud also contains a large amount of inorganic salts, High-mo...

Claims

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Application Information

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IPC IPC(8): C02F11/00C02F11/14C02F11/12C02F11/02C02F9/10
CPCC02F9/00C02F11/00C02F11/02C02F11/122C02F11/14C02F1/463C02F1/441C02F1/44C02F1/24C02F1/04C02F1/40
Inventor 马晶晶
Owner 库车畅源生态环保科技有限责任公司
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