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

Wastewater treatment method and application thereof

A wastewater treatment and circulating pool technology, applied in natural water treatment, non-polluted water treatment, water/sludge/sewage treatment, etc., can solve problems such as corrosion, high operating costs, scaling of heat exchange equipment, etc. Simple, safe equipment operation, and high waste water utilization

Inactive Publication Date: 2016-09-28
山东新绿环保科技有限公司
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the existing domestic wastewater treatment technology routes are discharged after treatment, but this method has the disadvantages of large amount of sewage treatment, high investment, high operating costs, and high energy consumption. In addition to the current shortage of domestic water resources, some enterprises consider To apply the sewage to the circulating water system, and use the wastewater as supplementary water, so that on the one hand, the high cost of direct sewage treatment can be saved, and at the same time, water resources can be saved to achieve zero discharge of wastewater
However, due to the heat exchange equipment used in the circulating water system, the components contained in the wastewater are complex. If it is directly applied to the circulating water system without reasonable treatment, the heat exchange equipment will be scaled, corroded, and crusted after running for a period of time. Therefore, how to effectively treat wastewater has become an urgent problem to be solved

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054]Pass the wastewater into the circulating water pool, and then add the corrosion and scale and film growth agent, the repair type slow-release scale and scale resistance tempering agent and the slime stripping agent into the circulation pool. The concentration of the corrosion and scale and film growth agent is 50ppm. The anti-corrosion, anti-scaling and film-creating agent includes the following components in proportion by weight: amino trimethylene phosphonic acid (ATMP) 10%; hydroxyethyl diphosphonic acid (HEDP) 8%; diethylene triamine penta methylene phosphine Acid (DTPMP) 3%; polyacrylic acid (PAA-H) 2.5%; hydrolyzed maleic acid (HPMA) 1%; hexamethylenetetramine 0.5%; sodium dodecylbenzenesulfonate 0.1%; water 74.9% ; Dosing method is continuous dripping for 24 hours. The dosing concentration of the repairing slow-release anti-scaling and tempering agent is 50ppm. The repairing-type slow-release anti-scaling and tempering agent includes the following components in pr...

Embodiment 2

[0056] Pass the wastewater into the circulating water pool, and then add the corrosion and scale and film growth agent, the repair type slow-release scale and scale resistance tempering agent and the slime stripping agent into the circulation pool. The dosage concentration of the corrosion and scale and film growth agent is 150ppm. The anti-corrosion, scale and film-creating agent includes the following components in proportion by weight: 35% of aminotrimethylene phosphonic acid (ATMP); 25% of hydroxyethyl diphosphonic acid (HEDP); Forked phosphonic acid (DTPMP) 8%; polyacrylic acid (PAA-H) 11%; hydrolyzed maleic acid (HPMA) 3%; hexamethylenetetramine 2.5%; sodium dodecylbenzenesulfonate 0.8%; water 14.7%; the dosing method is continuous dripping for 24 hours. The dosing concentration of the repairing slow-release anti-scaling and tempering agent is 150ppm. The repairing-type slow-release anti-scaling and tempering agent includes the following components in proportion by weigh...

Embodiment 3

[0058] Pass the wastewater into the circulating water pool, and then add the corrosion and scale and film growth agent, the repair type slow-release scale and scale resistance tempering agent and the slime stripping agent into the circulating water tank. The concentration of the corrosion and scale and film growth agent is 100ppm. The anti-corrosion, scale and film-creating agent includes the following components in proportion by weight: 25% of aminotrimethylene phosphonic acid (ATMP); 15% of hydroxyethyl diphosphonic acid (HEDP); Forked phosphonic acid (DTPMP) 5%; polyacrylic acid (PAA-H) 7%; hydrolyzed maleic acid (HPMA) 2%; hexamethylenetetramine 1.5%; sodium dodecylbenzenesulfonate 0.5%; water 44%;

[0059] The dosing method is continuous dripping for 24 hours. The dosing concentration of the repairing type slow-release anti-scaling and tempering agent is 100ppm, and the repairing-type slow-release anti-scaling and tempering agent includes the following components in prop...

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
corrosion rateaaaaaaaaaa
corrosion rateaaaaaaaaaa
corrosion rateaaaaaaaaaa
Login to View More

Abstract

The invention relates to a wastewater treatment method. The method comprises the following steps: introducing wastewater into a circulating water tank, and adding a corrosion-inhibition antiscale film forming agent, a repair-type slow-release antiscale tempering agent and a slime stripper into the circulating water tank. The concentration of the corrosion-inhibition antiscale film forming agent is 50-150 ppm, and the corrosion-inhibition antiscale film forming agent is dropwisely added ceaselessly; the concentration of the repair-type slow-release antiscale tempering agent is 50-150 ppm, and the repair-type slow-release antiscale tempering agent is added every 24 hours; and the concentration of the slime stripper is 300-400 ppm, and the slime stripper is added every 1-3 months. The invention also relates to application of the wastewater treatment method in the circulating water system. Compared with the prior art, the method provided by the invention can prevent the system from scaling, corrosion and slime formation for a long time.

Description

technical field [0001] The invention relates to a wastewater treatment method, and also relates to the application of the wastewater treatment method in a circulating water system. Background technique [0002] Various wastewaters are produced during the production process of enterprises, such as: filter backwash water, reverse osmosis concentrated brine, mixed bed reclaimed water, boiler sewage, circulating water system sewage, domestic sewage, other process wastewater, etc. The existing environmental protection requirement is that the wastewater of all enterprises must be discharged up to the standard; how to deal with the above wastewater has become a problem that all enterprises must solve. [0003] Most of the existing domestic wastewater treatment technology routes are discharged after treatment, but this method has the disadvantages of large amount of sewage treatment, high investment, high operating costs, and high energy consumption. In addition to the current short...

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): C02F5/08C02F5/14C02F5/12C02F5/10C02F103/02
CPCC02F5/08C02F5/105C02F5/125C02F5/145C02F2103/023C02F2303/08C02F2303/20
Inventor 李莹许玉洁李浩正
Owner 山东新绿环保科技有限公司
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