Catalyst for treating refractory wastewater, preparation method and preparation equipment

A wastewater treatment and catalyst technology, which is applied in water treatment parameter control, physical/chemical process catalysts, water/sewage treatment, etc., can solve the problems of difficult continuous production of catalysts, insufficient catalyst wastewater treatment capacity, etc., to improve degradation ability, Improve performance and improve the effect of uniformity

Pending Publication Date: 2021-05-04
江苏鼎弘环境科技有限公司
View PDF5 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of insufficient wastewater treatment capacity of existing catalysts for wastewater treatment and the difficulty in continuou

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Catalyst for treating refractory wastewater, preparation method and preparation equipment
  • Catalyst for treating refractory wastewater, preparation method and preparation equipment
  • Catalyst for treating refractory wastewater, preparation method and preparation equipment

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0025]A method of preparing a catalyst according to a difficult degraded wastewater treatment as described above, including the following steps:

[0026]S101: Preparation of nano zero price;

[0027]S102: The first component can be obtained after mixing nano-ferrous iron, active powder charcoal and graphene by mass than mixing;

[0028]S103: Put the copper nitrate to the first component, and add catalyzed hydrogen peroxide and catalyze the catalyst.

[0029]The prepared nano-zero-free iron includes the following steps:

[0030]S201: Tiesel ball, iron powder, and nitrophenol in diameter are put into polytetrafluoride in the polytetrafluoroethylene grinding pan;

[0031]S202: Putting the polytetrafluoroethylene grinding pan in a microwave for microwave assistance ball milling, which can be produced by nano-zero.

Example Embodiment

[0032]DETAILED DESCRIPTION

[0033]Zhejiang scattered dye manufacturer secondary treatment water COD is 796 ~ 896mg / L, the company originally used the Fenton processing process for three-level treatment, the water COD has been 600mg / L, the removal rate is 20 ~ 25%, by using the present invention Equipment, process and catalyst operation, the effluent COD has maintained at 278 ~ 316mg / L to meet the designated standards of the centralized sewage treatment plant, and the COD is below 500 mg / L.

[0034]The preparation apparatus of a catalyst according to a difficult degradation wastewater treatment as described above is comprising a mixing structure 10, a synthesis structure 20, and a discharge structure 30, and the mixing structure 10 is provided on the upper side of the synthesis structure 20 and and The synthesis structure 20 is in communication, the synthesis structure 20 is disposed on the upper side of the discharge structure 30 and communicates with the discharge structure 30, ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Diameteraaaaaaaaaa
Login to view more

Abstract

The invention discloses a catalyst for treating refractory wastewater. The catalyst comprises a first component composed of nano scale zero-valent iron, powdered activated carbon and graphene and a second component namely copper nitrate. The invention also discloses a preparation method of the catalyst for treating refractory wastewater. The preparation method comprises the following steps: preparing nano scale zero-valent iron; mixing the raw materials according to the mass ratio; and adding copper nitrate into the first component according to the mass ratio, and adding catalytic hydrogen peroxide and catalytic persulfate to prepare the catalyst. The invention also discloses a preparation device of the catalyst for treating refractory wastewater. The preparation device comprises a mixing structure, a synthesis structure and a discharge structure, the mixing structure comprises a feed inlet, a dispersion valve and a mixing cavity, and the dispersion valve comprises a valve blade with a plurality of through holes, a rotating shaft and an inclined pipe. Therefractory wastewater is treated through a catalyst, the preparation method of the catalyst is improved, and solid fine particles of the raw materials are reasonably matched, so that the mixing uniformity is effectively improved, and the performance of the catalyst is improved.

Description

technical field [0001] The invention relates to the technical field of waste water treatment, in particular to a catalyst, preparation method and preparation equipment for refractory waste water treatment. Background technique [0002] Advanced oxidation technology is usually used for the advanced treatment of wastewater, and its activators are usually transition metals and their derivatives. For refractory wastewater, due to its stable structure and strong oxidation resistance, conventional advanced oxidation and its catalyst activation oxidation have achieved The effect of the catalyst often fails to reach the expected effect, resulting in a large consumption of reagents. At the same time, in the preparation process of the catalyst, due to the particularity of the raw materials, it is difficult to continuously produce the catalyst. Contents of the invention [0003] In order to solve the problem of insufficient wastewater treatment capacity of existing catalysts for wast...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B01J27/25C02F1/72
CPCB01J27/25B01J35/0006B01J23/745B01J21/18C02F1/722C02F1/725C02F2209/08
Inventor 徐忠杨强舜匡金陶鲁超
Owner 江苏鼎弘环境科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap