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Continuous feeding and pre-mixing method and device for heavy metal wastewater treatment device

A technology for wastewater treatment and heavy metals, which can be used in mixers with rotary stirring devices, water/sewage treatment, cleaning methods and appliances, etc., which can solve the problems of difficult stable operation and low treatment efficiency.

Inactive Publication Date: 2017-09-29
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to overcome the problems of low treatment efficiency and difficulty in stable operation that exist in some existing heavy metal wastewater treatment devices that cannot be continuously produced, provide good adaptability of operating conditions, and be able to treat heavy metal wastewater Method and device for continuously adding materials to the device

Method used

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  • Continuous feeding and pre-mixing method and device for heavy metal wastewater treatment device
  • Continuous feeding and pre-mixing method and device for heavy metal wastewater treatment device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] This embodiment adopts figure 1 The process flow shown.

[0071] 1. Material properties

[0072] (1) Wastewater containing heavy metals: The material is industrial wastewater containing cadmium, nickel, zinc, mercury and other heavy metals produced in industrial production. The content of heavy metals fluctuates within 80-120mg / L, the pH value is between 4 and 5, and the temperature is Room temperature.

[0073] (2) Adsorption particles: Add 2000-3000g adsorption particles per cubic meter of heavy metal wastewater.

[0074] 2. Experimental method

[0075] In the corresponding position of the original pipeline, it is transformed into a newly designed one such as figure 1 The pipeline system shown. During the experiment, the feeding conditions were consistent with those of the original pipeline. When the heavy metal wastewater is fed, the flow rate is 2m 3 / h, observe the newly designed pipeline running continuously for 1 day, observe the treatment effect and throughput.

[0076]...

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Abstract

The invention relates to a continuous feeding and pre-mixing method and device for heavy metal wastewater treatment equipment, particularly provides a continuous feeding and pre-mixing method for the heavy metal wastewater treatment equipment and further provides a continuous feeding and pre-mixing device of the heavy metal wastewater treatment equipment.

Description

Technical field [0001] The invention belongs to the field of sewage treatment, and relates to the mixing of sewage and adsorbed particles, and continuous feeding of sewage treatment devices. More specifically, it relates to a continuous feeding and pre-mixing method of a heavy metal wastewater treatment device, and a device used to implement the method. Background technique [0002] Heavy metal wastewater refers to wastewater containing heavy metals discharged from industrial production processes such as mining and metallurgy, machinery manufacturing, chemical engineering, electronics, and instrumentation. Heavy metal (such as cadmium, nickel, mercury, zinc, etc.) wastewater is one of the industrial wastewater that pollutes the environment the most and harms humans the most. Its water quality and quantity are related to the production process. A preliminary investigation revealed that more than 300 million people in my country have unsafe drinking water. As the country pays mor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/62C02F9/04B01F7/00B08B9/093C02F101/20
Inventor 赵双良姚本飞史学伟白志山赵会玲刘洪来
Owner EAST CHINA UNIV OF SCI & TECH
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