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

Special flocculation decolorizing agent for fur oxidation dyeing sewage and preparing method thereof

A technology of oxidation dyeing and decolorizing agent, which is applied in the direction of oxidation water/sewage treatment, chemical instruments and methods, adsorption water/sewage treatment, etc. It can solve the problems of high cost, complicated operation, and restrictions on the promotion of oxidation dyeing technology, and achieve high efficiency. Good effect of removing and reducing COD, flocculation and decolorization

Active Publication Date: 2015-01-21
BEIJING FANBO CHEM
View PDF6 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the problem of wastewater treatment of oxidation dye dyeing has always been a difficult problem in the industry; some manufacturers use low-COD and low-chroma wastewater to dilute oxidation dye wastewater to achieve the purpose of discharge standards, but the high cost and complicated operation greatly restrict oxidation dyes. Promotion of dyeing technology

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
  • Special flocculation decolorizing agent for fur oxidation dyeing sewage and preparing method thereof
  • Special flocculation decolorizing agent for fur oxidation dyeing sewage and preparing method thereof
  • Special flocculation decolorizing agent for fur oxidation dyeing sewage and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Cationic polyacrylamide (Wuhan Yuexingyi Chemical Technology Co., Ltd. cationic polyacrylamide FO4140SH hereinafter the same) 1 part, sodium percarbonate (chemically pure reagent hereinafter the same) 10 parts, potassium carbonate (chemically pure reagent hereinafter the same) 10 parts, activated carbon (Chemical pure reagents are the same below) 10 parts are sequentially added into the mixing container according to the ratio of parts by weight, and mixed evenly.

Embodiment 2

[0065] Add 5 parts of cationic polyacrylamide, 15 parts of sodium percarbonate, 15 parts of potassium carbonate, and 20 parts of activated carbon into the mixing container in sequence according to the ratio of parts by weight, and mix evenly.

Embodiment 3

[0067] 10 parts of cationic polyacrylamide, 18 parts of sodium percarbonate, 20 parts of potassium carbonate, and 25 parts of activated carbon are sequentially added into the mixing container according to the ratio of parts by weight, and mixed evenly.

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

No PUM Login to View More

Abstract

The invention relates to the field of animal fur treatment technologies, in particular to a special flocculation decolorizing agent for fur oxidation dyeing sewage and a preparing method thereof. The special flocculation decolorizing agent for fur oxidation dyeing sewage is prepared from the following raw materials in parts by weight: 10-20 parts of a flocculant, 10-40 parts of an inorganic oxidant, 10-40 parts of an inorganic base and 10-50 parts of an absorbent. The method is carried out in the way that the special flocculation decolorizing agent for fur oxidation dyeing sewage is prepared through the mixing of the raw materials in the parts. The flocculation decolorizing agent is mainly used as a special efficient flocculation decolorizing agent for the treatment of fur oxidation dyeing sewage, is simple in constitution, convenient to produce and use and low in cost, has a great flocculation decolorizing effect, can effectively remove oxidation dye intermediates from the sewage, and can reduce the chromacity and COD (Chemical Oxygen Demand) of the sewage, so that the qualified emission or recycling utilization of the oxidation dye sewage is realized.

Description

technical field [0001] The invention relates to the field of animal fur treatment technology, in particular to a special flocculation decolorizer for fur oxidative dyeing sewage and a preparation method. Background technique [0002] Oxidative dyeing in the fur manufacturing process is a process in which hydrogen peroxide is used as an oxidizing agent to oxidize and develop the color of oxidation dye monomers on wool fibers. [0003] Pollutants in oxidative dyed sewage mainly include: oxidative dye monomers, macromolecular oxidative dye color precipitates after reaction, residual hydrogen peroxide, etc. [0004] The COD of sewage is between 3000mg / L and 15000mg / L, and the chroma of sewage is relatively heavy, and it is not easy to completely decolorize. The pollutants mainly include: oxidation dye monomers, macromolecular oxidation dye lakes, residual hydrogen peroxide, etc. [0005] Dye molecular lakes with larger molecular weights can be removed by flocculation and sedim...

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): C02F1/52C02F1/56C02F1/72C02F1/28C02F1/66C02F103/24
CPCC02F1/28C02F1/52C02F1/56C02F1/66C02F1/72C02F2103/24C02F2305/00C02F2305/04
Inventor 康超国郑超斌郑红超郝安生
Owner BEIJING FANBO CHEM
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