A kind of magnetic flocculant and its application method

A magnetic flocculant and application method technology, applied in the direction of flocculation/sedimentation water/sewage treatment, etc., can solve problems such as secondary pollution, and achieve the effects of saving operating costs, dense flocs, and low water content

Active Publication Date: 2016-06-15
河南汇思原环保科技有限公司
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional flocculation and sedimentation method mostly uses flocculants to be added to the wastewater to form a large amount of sediment, which contains chemical agents, causing secondary pollution.

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
  • A kind of magnetic flocculant and its application method
  • A kind of magnetic flocculant and its application method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] This experiment adopts the method of comparison, and selects five groups of magnetic flocculant prepared by different ratio formulas. The wastewater treated in this experiment is urban wastewater. 25mg of magnetic flocculant is added to 1000mL of the wastewater, and the modified magnetic flocculant The optimal ratio formula in the agent.

[0019] Wastewater quality: The samples taken in this experiment come from urban sewage treatment plants. The indicators of wastewater pollutants are as follows: suspended solids 45mg / L, chroma 150 (times), turbidity 50 (degrees), phosphate 1.69mg / L.

[0020] The ratio of ferroferric oxide magnetic powder, γ-aminopropyltriethoxysilane and glutaraldehyde in No. 1 magnetic flocculant is 100:0.5:0.5;

[0021] The ratio of ferroferric oxide magnetic powder, γ-aminopropyltriethoxysilane and glutaraldehyde in No. 2 magnetic flocculant is 100:0.6:0.6;

[0022] The ratio of ferroferric oxide magnetic powder, γ-aminopropyltriethoxysilane and g...

Embodiment 2

[0030] This experiment adopts the comparative method, one is to use the flocculant prepared by the traditional reagent combination method to treat the fish processing wastewater, and the other is to treat the fish processing wastewater with the magnetic flocculant prepared by No. 4 scheme in Example 1, The treatment method adopts the beaker experiment, and the treatment volume of each fish processing wastewater is 1000mL. As shown in Table 2, three groups of flocculants with different addition amounts were selected for comparative experiments, and the COD content in the treated wastewater used was 3800 mg / L.

[0031] Table 2 Data table of three groups of different flocculants

[0032]

[0033] Take the traditional flocculant and magnetic flocculant with the addition amount of 150mg, 250mg and 350mg respectively, put the three groups of flocculants into the wastewater with COD content of 3800mg / L,

[0034] The COD content in the wastewater was measured respectively, and the...

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
particle diameteraaaaaaaaaa
densityaaaaaaaaaa
Login to view more

Abstract

The invention relates to a magnetic flocculant, which is applied in the field of sewage treatment. The magnetic flocculant is composed of ferroferric oxide magnetic powder, γ-aminopropyltriethoxysilane and glutaraldehyde. The surface of the ferroferric oxide magnetic powder of the prepared magnetic flocculant is covered with an organic functional film, which belongs to the chemical monolayer coating. The magnetic flocculant removes pollutants through the adsorption, coagulation and co-precipitation of functional groups and pollutants. Fish protein recovery by flocculation using magnetic flocculant can not only improve the recovery rate of protein, but also contain no chemical agents in the recyclate, and the used magnetic flocculant can be recycled and reused, which saves operating costs. This magnetic flocculant can be widely used in the treatment of inorganic wastewater containing phosphorus and heavy metal ions; in the treatment of organic wastewater with high suspended solids and high turbidity in papermaking, food processing, breeding, petrochemical and other industries.

Description

technical field [0001] The invention relates to a flocculant, in particular to a modified magnetic flocculant. Background technique [0002] Coagulation and sedimentation technology is a commonly used technology in sewage treatment process and deep water purification process. It is indispensable to be applied to various coagulants, coagulation aids and other chemical agents. After treatment, a large amount of solid waste is generated, causing secondary Pollution is the soft underbelly of this technology. How to avoid secondary damage to the environment and develop environmentally friendly technical products has become the common concern of experts and scholars at home and abroad. At present, many products that are non-toxic to the environment have been developed, such as starch graft copolymers and microbial flocculants. [0003] Because fish processing wastewater contains a large amount of recyclable fish protein (which can be processed into high value-added fish meal for...

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
Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/52
Inventor 王伟
Owner 河南汇思原环保科技有限公司
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