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

An integrated in-situ restoration and treatment agent for surface black and odorous water and sediment, its preparation method and application

A black and odorous water body, in-situ repair technology, applied in the field of water treatment, can solve the problem of high cost, not fully considering the complexity of pollutants in the sediment, the long-term stability of diverse pollutants, changes in pollutant migration, and the dosage It can improve the efficiency, strengthen the in-situ bioremediation and degradation, and achieve the effect of high treatment efficiency.

Active Publication Date: 2020-07-10
AEROSPACE KAITIAN ENVIRONMENTAL TECH CO LTD
View PDF10 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the dosage is large and the cost is high. At the same time, the output of sediment will be increased by adsorption.
[0007] The method of the above invention patents only inhibits the release of pollutants such as nitrogen and phosphorus in the sediment, and does not fully consider the complexity and diversity of the pollutants in the sediment, the long-term stability changes of the pollutants in the sediment, and the relationship between the sediment and the upper water body Continuing migration of pollutants between

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
  • An integrated in-situ restoration and treatment agent for surface black and odorous water and sediment, its preparation method and application
  • An integrated in-situ restoration and treatment agent for surface black and odorous water and sediment, its preparation method and application
  • An integrated in-situ restoration and treatment agent for surface black and odorous water and sediment, its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] (1) First prepare the surface black and odorous water body and bottom mud integrated repair and treatment agent: wherein 5 parts of potassium monopersulfate compound salt are added to 40 parts of chitosan, 35 parts of polyferric sulfate, and 10 parts of potassium nitrate by weight. 4 parts of sodium percarbonate, 2 parts of calcium peroxide, 2 parts of calcium hypochlorite, 0.5 parts of compound enzyme (protease, amylase and cellulase mixed at 1:1:1), 1.5 parts of starch glue, dispersed and mixed evenly, and then tested by visible light Just irradiate.

[0051] (2) In the way of continuous dosing, the bottom area of ​​the bottom mud is 250mg / m 2 Add the prepared integrated restoration and treatment agent for surface black and odorous water body and sediment to the sediment-water interface, and stir or hydraulically disturb the sediment-water-medicine to fully mix. The results are shown in Table 1 below.

[0052] Table 1 Experimental results of integrated repair and tre...

Embodiment 2

[0055] (1) First prepare the surface black and odorous water body and bottom mud integrated repair and treatment agent: take 4 parts of potassium monopersulfate compound salt by weight, add 45 parts of natural zeolite, 35 parts of polyaluminum ferric chloride, and 7 parts of potassium nitrate 3 parts of sodium percarbonate, 2 parts of calcium peroxide, 1 part of calcium hypochlorite compound enzyme (protease, amylase and cellulase mixed in 1:1:1) 1.5 parts, 1.5 parts of epoxy resin adhesive After mixing evenly, it can be obtained by irradiating with visible light.

[0056] (2) In the way of continuous dosing, the bottom area of ​​the bottom mud is 350mg / m 2 Add the prepared integrated restoration and treatment agent for surface black and odorous water body and sediment to the sediment-water interface, and stir or hydraulically disturb the sediment-water-medicine to fully mix. The results are shown in Table 2 below:

[0057] Table 2 Experimental results of integrated restorati...

Embodiment 3

[0061] (1) First prepare the surface black and odorous water body and sediment integrated repair and treatment agent: take 4 parts of potassium monopersulfate compound salt by weight ratio, add 50 parts of diatomite, 30 parts of polyaluminum ferric chloride, potassium nitrate 7.5 parts, 2 parts of sodium percarbonate, 2 parts of calcium peroxide, 2 parts of sodium hypochlorite, 1.5 parts of compound enzyme (protease, amylase and cellulase mixed in 1:1:1), 1 part of epoxy resin adhesive After uniformity, it can be obtained by irradiation with visible light.

[0062] (2) In the way of continuous dosing, the bottom area of ​​the bottom mud is 180mg / m 2 The amount of the prepared surface black and odorous water body and sediment integrated restoration and treatment agent was added to the bottom mud-water interface, and at the same time stirring or hydraulic disturbance of the bottom mud-water-medicine was fully mixed. The results are shown in Table 3 below:

[0063] Table 3 Exper...

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
clearance rateaaaaaaaaaa
clearance rateaaaaaaaaaa
Login to View More

Abstract

The invention discloses an integrated in-situ remediation and treatment medicament of surface black and odorous water and bottom mud. The integrated in-situ remediation and treatment medicament is prepared from an agglomeration and adsorption material, polymeric ferric salt, nitrate, oxidants, complex enzymes, adhesives and the like, wherein the oxidants are selected from at least one of percarbonates, potassium monopersulfate compound salts, peroxides and hypochlorite. The medicament is applied to integrated remediation of the surface black and odorous water and the bottom mud; compound chemicals are added into the medicament, so that the dissolved oxygen in the water and the bottom mud can be increased; an ecosystem of microorganisms can be activated and restored; the in-situ biologicalremediation and degradation effects can be enhanced; the self-purification capacity of the water is improved; the yield of the bottom mud is reduced; meanwhile, the efficiency of removing nitrogen andphosphorus is improved; the medicament has long-term stability, is free of secondary pollution, and has good application prospects.

Description

technical field [0001] The invention relates to the field of water treatment, in particular to a long-acting agent for integrated restoration and treatment of surface black and odorous water bodies and bottom mud. Background technique [0002] The phenomenon of "black odor" in rivers is a biochemical phenomenon - anaerobic decomposition of organic matter in water bodies. The organic matter existing in the water body consumes more oxygen than reoxygenation during the decomposition process, resulting in water body anoxic. Anaerobic microorganisms reproduce in large numbers and decompose organic matter to produce a large amount of odorous gases such as amines, hydrogen sulfide, ammonia, etc., which make the water body stink, escape from the water surface and enter the atmosphere, resulting in a foul smell around the water body. At the same time, due to the lack of oxygen in the water body, heavy metals such as iron and manganese in the sediment and water are reduced, and they ...

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): C02F1/00C02F11/00
Inventor 乔瑞平刘君
Owner AEROSPACE KAITIAN ENVIRONMENTAL TECH CO LTD
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