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Geopolymer-based flocculation curing agent as well as preparation method and application thereof

A coagulation and geopolymer technology, which is applied in the field of civil and construction materials, can solve the problems of inability to form self-compacting fluidized fillers and high-organic mud cannot be concentrated quickly, so as to facilitate large-scale preparation, improve flocculation and solidification effects, and promote self-compressing effect

Pending Publication Date: 2022-04-12
SHENZHEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of this application is to provide a geopolymer-based flocculation solidifying agent and its preparation method and application, aiming to solve the problem that the low-concentration and high-organic matter mud cannot be quickly concentrated and dehydrated, and cannot form self-compacting fluidized filler in the prior art question

Method used

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  • Geopolymer-based flocculation curing agent as well as preparation method and application thereof
  • Geopolymer-based flocculation curing agent as well as preparation method and application thereof
  • Geopolymer-based flocculation curing agent as well as preparation method and application thereof

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preparation example Construction

[0048] The second aspect of the embodiment of the present application provides a method for preparing a geopolymer-based flocculation curing agent, comprising the following steps:

[0049] S01. Provide the components of the geopolymer-based flocculation curing agent;

[0050] S02. Mixing slag powder, silicate clinker, water glass, Fenton-like reagent and additives to obtain a geopolymer-based flocculation and curing agent.

[0051] The preparation method of the geopolymer-based flocculation-curing agent provided in the second aspect of the embodiment of the present application is simple to operate, and only needs to provide components according to the geopolymer-based flocculation-curing agent, and mix the components. The geopolymer-based flocculation curing agent is obtained, and the preparation method is simple to operate, and is beneficial to large-scale preparation.

[0052] In step S01, the components of the geopolymer-based flocculation and curing agent provided are con...

Embodiment 1

[0060] A kind of geopolymer-based flocculation curing agent and its preparation method and application

[0061] A geopolymer-based flocculation curing agent , comprising the following components by weight:

[0062]

[0063]

[0064] Wherein, Fenton-like is selected from the mixture of 5 parts of sodium persulfate and 5 parts of ferrous chloride; auxiliary agents include:

[0065]

[0066] A kind of preparation method of geopolymer-based flocculation curing agent , including the following steps:

[0067] Each component of the geopolymer-based flocculation solidifying agent of embodiment 1 is provided;

[0068] The slag powder, silicate clinker, water glass, Fenton-like reagent and additives are mixed to obtain a geopolymer-based flocculation curing agent; wherein, the mixing process adopts stirring and mixing, and the mixing time is 3 hours.

[0069] Application method of a geopolymer-based flocculation curing agent , including the following steps

[0070] The ...

Embodiment 2

[0075] A kind of geopolymer-based flocculation curing agent and its preparation method and application

[0076] A geopolymer-based flocculation curing agent , comprising the following components by weight:

[0077]

[0078]

[0079] Wherein, Fenton-like reagent is selected from the mixture of 5 parts of sodium persulfate and 5 parts of ferrous sulfate;

[0080] Additives include:

[0081]

[0082] A kind of preparation method of geopolymer-based flocculation curing agent , including the following steps:

[0083] Each component of the geopolymer-based flocculation solidifying agent of embodiment 2 is provided;

[0084] The slag powder, silicate clinker, water glass, Fenton-like reagent and additives are mixed to obtain a geopolymer-based flocculation curing agent; wherein, the mixing process adopts stirring and mixing, and the mixing time is 4 hours.

[0085] Application method of a geopolymer-based flocculation curing agent , including the following steps

[...

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Abstract

The invention relates to the technical field of civil construction materials, in particular to a geopolymer-based flocculation curing agent and a preparation method and application thereof.The geopolymer-based flocculation curing agent is prepared from slag powder, silicate clinker, water glass, a Fenton-like reagent and auxiliaries, the Fenton-like reagent has a high oxidation effect, and in the using process, the Fenton-like reagent is not prone to being oxidized, so that the flocculation curing agent has a good flocculation effect. The curing agent can effectively act on slurry with high organic matter content, water release in the slurry is promoted, and the curing effect and curing strength of the slurry are improved; under the synergistic effect with other components, a good flocculation and solidification effect is achieved, self-compression and self-compaction of the slurry are promoted, and the problems of concentration and recycling of low-concentration engineering waste slurry generated on a high-organic-matter site can be effectively solved.

Description

technical field [0001] The application belongs to the technical field of civil engineering materials, and in particular relates to a low-concentration, high-organic-matter waste engineering mud filler and a geopolymer-based flocculation solidification agent, its preparation method and application. Background technique [0002] During the engineering development process of sites with high organic matter silt and tidal flats, a large amount of waste mud with low concentration and high organic matter content is produced due to the construction of pile foundations and ground connection walls. The foreign transportation and random discharge of mud have caused negative impacts on the urban ecological environment. With the increasing environmental protection requirements, the disposal of waste mud has reached the point where it needs to be solved urgently. How to quickly utilize low-concentration mud as a resource has become a technical problem that needs to be solved. [0003] A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/143
Inventor 孙晓辉郭柯雨彭永燊何俊培陈曦陈子奕刘文豪
Owner SHENZHEN UNIV
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