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Integral reactor for liquid-phase adsorption and solid-liquid separation, application thereof and water treatment method

A liquid-phase adsorption and solid-liquid separation technology, which is applied in the field of environmental technology and water treatment, can solve the problems of difficult dosing and discharge of adsorbents, low adsorption efficiency, and small water treatment volume, and achieves improved solid residence time and adsorption efficiency. The effect of high and low dosage

Inactive Publication Date: 2015-04-15
DATANG INT CHEM TECH RESINST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the water treatment effect of the above-mentioned disclosed technology is better than the traditional process to a certain extent, there are still small water treatment volumes, difficulties in adding and discharging the adsorbent, and low adsorption efficiency. Defects that are difficult to apply

Method used

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  • Integral reactor for liquid-phase adsorption and solid-liquid separation, application thereof and water treatment method
  • Integral reactor for liquid-phase adsorption and solid-liquid separation, application thereof and water treatment method
  • Integral reactor for liquid-phase adsorption and solid-liquid separation, application thereof and water treatment method

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Effect test

Embodiment 1

[0054] figure 1 and figure 2 It is a schematic structural diagram of an embodiment of the liquid phase adsorption-solid-liquid separation integrated reactor of the present invention, including:

[0055] A liquid-phase adsorption area (1) with a cover plate is provided on the top, and the liquid-phase adsorption area (1) is a ditch-shaped shell connected end to end;

[0056] Dosing equipment (9) arranged above the liquid-phase adsorption area (1), fixed on the top of the cover plate and connected to the liquid-phase adsorption area (1), such as a single-screw feeder or a double-screw feeder;

[0057] Set inside the liquid-phase adsorption area (1) and separate the liquid-phase adsorption area into a loop corridor, it is composed of any one or more of vertical plates, arc-shaped plates, deflectors, deflector walls and swirl plates diversion assembly (3);

[0058] At least one mixer (2) uniformly arranged in the middle and lower part of the water depth along the loop corridor...

Embodiment 2

[0067] Figure 5 It is a schematic flow diagram of the water treatment method of the present invention. In this embodiment, the liquid to be treated is crushed coal pressurized gasification waste water.

[0068] Such as Figure 5 As shown, in the water treatment method of the present invention, the liquid to be treated (12) is preferably passed through the liquid-phase adsorption-solid-liquid separation integrated reactor (13) connected in sequence with the powdered adsorbent (17), and the Coagulation reactors (14) with additives (19), such as pipeline mixers or mixing reaction tanks, and coagulation clarifiers (15), such as advection sedimentation tanks, vertical flow sedimentation tanks, radial flow sedimentation tanks, inclined flow Tube sedimentation tank or mechanical clarifier to obtain effluent with significantly improved water quality (16). Among them, the exhausted adsorbent in the liquid-phase adsorption-solid-liquid separation integrated reactor (13) is treated b...

Embodiment 3

[0087] According to the steps in Example 2, when the liquid to be treated (12) is crushed coal pressurized gasification wastewater, the present invention can also be carried out using the following parameters:

[0088] (1) Parameters in the liquid phase adsorption-solid-liquid separation integrated reactor (13):

[0089] Powdered active coke particle size: <0.15mm,

[0090] Hydraulic retention time in the liquid phase adsorption zone: 6h,

[0091] Solid concentration in the liquid phase adsorption zone (that is, the mass of adsorbent solids per unit volume): 5kg / m 3 ,

[0092] Water velocity in the liquid phase adsorption zone: 1.5m / s,

[0093] Powdered active coke residence time: 12h,

[0094] Hydraulic retention time in the solid-liquid separation zone: 10min,

[0095] The solid concentration discharged from the external discharge equipment: 20kg / m 3 ;

[0096] (2) Parameters in the coagulation reactor (14):

[0097] Hydraulic retention time: 5min,

[0098] Polyalumin...

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Abstract

The invention relates to an integral reactor for liquid-phase adsorption and solid-liquid separation, application of the integral reactor and a water treatment method. The reactor comprises a liquid-phase adsorption region, a solid-liquid separation region, a liquid inlet, feeding equipment, a flow guide assembly, a mixer, a collecting groove and a liquid collecting groove, wherein the liquid-phase adsorption region and the solid-liquid separation region are integrally formed; powder adsorption agent is fed; a mixed recycle flow passage is taken as the liquid-phase adsorption region; and water treatment is performed so as to realize high-efficiency separation of absorption agent and water and unpowered back flow and reutilization of the powder adsorption agent. The integral reactor has the beneficial effects of being high in adsorption efficiency, large in effective adsorption amount, high in solid-liquid separation efficiency, low in operating cost, good in outlet water quality, compact in equipment, simple and easy to operate, stable and reliable in running, and the like.

Description

technical field [0001] The invention belongs to the field of environmental technology and water treatment. Specifically, the present invention relates to a liquid-phase adsorption-solid-liquid separation integrated reactor, its application and water treatment method, especially to a reaction that utilizes powdered adsorbent to absorb and remove pollutants in wastewater and realize the integration of solid-liquid separation The reactor, the application of the reactor and the method of using the reactor for water treatment. Background technique [0002] In the production process of various industrial and mining enterprises, a large amount of wastewater containing various difficult-to-treat pollutants will be produced, some of which contain phenols, petroleum, monocyclic aromatic hydrocarbons, polycyclic aromatic hydrocarbons, heterocyclic compounds containing nitrogen, sulfur and oxygen, and For pollutants such as heavy metals, it is difficult to achieve good treatment result...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/04
Inventor 安洪光李春启岳培恒刘俊峰梅长松宋学平赵荧李国胜王宝强
Owner DATANG INT CHEM TECH RESINST
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