Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Treatment method of arsenic-fluorine-containing industrial wastewater

A technology for industrial waste water and treatment methods, which is applied in water/sewage treatment, neutralized water/sewage treatment, multi-stage water/sewage treatment, etc. It can solve the problems of poor water quality adaptability, complex treatment process, and many types and quantities of chemicals used. question

Inactive Publication Date: 2020-08-25
东阳市前途工业设计有限公司
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Above invention and prior art mainly contain adsorption method, electrocoagulation method, reverse osmosis method, ion exchange method, chemical precipitation method and coagulation sedimentation method to the defluorination of fluorine-containing waste water, defluorination method; There are problems such as large equipment investment, many types and quantities of chemicals used, complicated treatment process, and poor adaptability to water quality. If fluorine and arsenic are to be removed at the same time, the treatment process will be more complicated.

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
  • Treatment method of arsenic-fluorine-containing industrial wastewater
  • Treatment method of arsenic-fluorine-containing industrial wastewater
  • Treatment method of arsenic-fluorine-containing industrial wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A treatment method for industrial wastewater containing arsenic and fluorine, the specific preparation scheme is as follows:

[0037] Step 1. Acidification treatment, add acidulant to the original wastewater, adjust the pH of the wastewater to 2, use compressed air to bubble and stir for 10 minutes, with a flow rate of 30m 3 / h, after mixing evenly, let it stand, and then the waste water enters the pipeline mixer;

[0038] Step 2: Adding reagent, the wastewater enters the pipeline mixer to add the reagent, the addition amount is 300g / m 3 , Reaction time 20min, flow velocity 35m 3 / h;

[0039] Step three, alkalization treatment, add alkalization agent to the wastewater, adjust the pH value of the wastewater to 6, use compressed air to bubble and stir for 5 minutes, the flow rate is 30m 3 / h, after stirring evenly, let it stand, and then the wastewater enters the sedimentation tank;

[0040] Step 4: Settling and separation, the flow of wastewater is controlled to 3m after entering...

Embodiment 2

[0051] A treatment method for industrial wastewater containing arsenic and fluorine, the specific preparation scheme is as follows:

[0052] Step 1. Acidification treatment, add acidifier to the original wastewater, adjust the pH of the wastewater to 4, use compressed air to bubble and stir for 8 minutes, with a flow rate of 50m 3 / h, after mixing evenly, let it stand, and then the waste water enters the pipeline mixer;

[0053] Step 2: Adding reagent, the wastewater enters the pipeline mixer to add the reagent, the addition amount is 500g / m 3 , Reaction time 40min, flow velocity 60m 3 / h;

[0054] Step 3. Alkalizing treatment, adding an alkalizing agent to the wastewater, adjusting the pH of the wastewater to 7, using compressed air to bubbling and stirring for 8 minutes, with a flow rate of 40m 3 / h, after stirring evenly, let it stand, and then the wastewater enters the sedimentation tank;

[0055] Step 4: Settling and separation, the flow of wastewater is controlled to 5m after ent...

Embodiment 3

[0066] A treatment method for industrial wastewater containing arsenic and fluorine, the specific preparation scheme is as follows:

[0067] Step 1. Acidification treatment, add acidulant to the original wastewater, adjust the pH of the wastewater to 5, use compressed air to bubble and stir for 5 minutes, with a flow rate of 60m 3 / h, after mixing evenly, let it stand, and then the waste water enters the pipeline mixer;

[0068] Step 2: Adding agent, the wastewater enters the pipeline mixer to add the reaction agent, the addition amount is 800g / m 3 , Reaction time 60min, flow rate 80m3 / h;

[0069] Step 3. Alkalizing treatment, adding an alkalizing agent to the wastewater, adjusting the pH of the wastewater to 8, using compressed air to bubbling and stirring for 10 minutes, with a flow rate of 60m 3 / h, after stirring evenly, let it stand, and then the wastewater enters the sedimentation tank;

[0070] Step 4: Settling and separation, the flow of wastewater is controlled to 7m after ent...

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
areaaaaaaaaaaa
porosityaaaaaaaaaa
Login to View More

Abstract

The invention relates to the field of environmental protection, in particular to a treatment method of arsenic-fluorine-containing industrial wastewater. The method includes acidification treatment, medicament addition, alkalization treatment and settling separation; the invention provides a treatment method of the arsenic-fluorine-containing industrial wastewater. The modified reinforced diatomite is applied to a treatment process of arsenic- fluorine-containing industrial wastewater; in the wastewater treatment process, only a wastewater treatment agent is added after the wastewater is acidified; the modified reinforced diatomite provided by the invention is applicable to treatment of industrial wastewater with medium and low contents of arsenic and fluorine; optimal process conditions such as the addition amount or the treatment flow of a medicament are provided, and a treatment process which is innovative, low in investment, low in cost and easy to manage and protect is provided for treatment of the arsenic-fluorine-containing industrial wastewater; the method has the advantages of simple and easily available raw materials, low cost and simple wastewater treatment process.

Description

Technical field [0001] The invention relates to the field of environmental protection, in particular to a processing method for industrial wastewater containing arsenic and fluorine. Background technique [0002] The non-ferrous metal ore beneficiation process passes through the natural clarified waste water after multi-stage beneficiation. Most of these waste water is used for production and reuse. Due to long-term reuse, the concentration of beneficiation reagents and the soluble matter in the pulp becomes higher and higher, and the resulting compounds It is becoming more and more complex. The main pollutants contain high levels of arsenic and fluorine. The in-depth study of the effects of fluorine on biological growth has made domestic and international requirements for the treatment of fluorine-containing wastewater higher and stricter, and a lot of research has been carried out. jobs. [0003] CN108314242A provides a method and system for treating high ammonia nitrogen and ar...

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 Applications(China)
IPC IPC(8): C02F9/04C08F292/00C08F220/06C08F226/04C02F101/10C02F101/14
CPCC02F1/00C02F1/66C02F9/00C02F2001/007C02F2101/103C02F2101/14C08F292/00C08F220/06C08F226/04
Inventor 蔡兰花王芳李培则
Owner 东阳市前途工业设计有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com