CN111495340B - Mine wastewater treatment agent - Google Patents

Mine wastewater treatment agent Download PDF

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Publication number
CN111495340B
CN111495340B CN202010359845.5A CN202010359845A CN111495340B CN 111495340 B CN111495340 B CN 111495340B CN 202010359845 A CN202010359845 A CN 202010359845A CN 111495340 B CN111495340 B CN 111495340B
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carbon fiber
activated carbon
layer
polyacrylamide
balls
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CN202010359845.5A
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CN111495340A (en
Inventor
穆瑞花
刘斌
常薇
张洛红
武占省
左维
秋列维
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Xian Polytechnic University
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Xian Polytechnic University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12—Naturally occurring clays or bleaching earth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Abstract

The invention relates to the field of mine wastewater treatment, in particular to a mine wastewater treatment agent which comprises activated carbon fiber balls, activated carbon fiber strips and shell powder, zeolite powder, polyacrylamide and polyaluminium chloride, wherein the shell powder, the zeolite powder, the polyacrylamide and the polyaluminium chloride are sprayed on the surfaces of the activated carbon fiber balls and the activated carbon fiber strips, and the activated carbon fiber balls and the activated carbon fiber strips are integrally formed into a series. The surface of the activated carbon fiber ball and the activated carbon fiber strip are sequentially sprayed with a shell powder layer, a zeolite powder layer, a polyacrylamide layer and a polyaluminium chloride layer from outside to inside; the mass ratio of the shell powder to the zeolite powder to the polyacrylamide to the polyaluminium chloride is 36-48:10-20:6-8:3-5. The invention takes the activated carbon fiber balls and activated carbon fiber strips as carriers and takes the shell powder, zeolite powder, polyacrylamide and polyaluminium chloride as active ingredients, has super-strong adsorption effect, and can realize mine wastewater purification and greatly facilitate the recycling of the carriers.

Description

Mine wastewater treatment agent
Technical Field
The invention relates to the technical field of mine wastewater treatment, in particular to a mine wastewater treatment agent.
Background
A large amount of water resources are used in the coal mining process, a large amount of mine wastewater is generated, main pollutants of the wastewater are suspended matters, and main components of the suspended matters are fine particles such as coal dust, rock dust and the like, especially coal dust.
Disclosure of Invention
The invention aims to provide a mine wastewater treatment agent, which realizes the purification treatment of mine wastewater, gives back to coal mines and surrounding mining areas, realizes near zero emission and effectively protects the environment.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A mine wastewater treatment agent comprises activated carbon fiber balls, activated carbon fiber strips, and shell powder, zeolite powder, polyacrylamide and polyaluminium chloride which are sprayed on the surfaces of the activated carbon fiber balls and the activated carbon fiber strips.
Further, the activated carbon fiber balls and the activated carbon fiber strips are integrally formed and connected in series to form a string.
Further, the surfaces of the activated carbon fiber balls and the activated carbon fiber strips are sequentially sprayed with a shell powder layer, a zeolite powder layer, a polyacrylamide layer and a polyaluminium chloride layer from outside to inside.
Further, the mass ratio of the shell powder to the zeolite powder to the polyaluminium chloride to the polyacrylamide is 36-48:10-20:6-8:3-5.
Further, a layer of water-soluble high polymer material is sprayed on the outer side of the shell powder layer, between the shell powder layer and the zeolite powder layer, between the zeolite powder layer and the polyacrylamide layer, and between the polyacrylamide layer and the polyaluminium chloride layer.
Further, the water-soluble polymer material is polyvinyl alcohol.
Further, the activated carbon fiber balls are hollow-out balls which are woven by activated carbon fibers and are in a net shape.
Further, the activated carbon fiber strips are net-shaped woven meshes woven by activated carbon fibers.
Further, the mine waste water treatment device also comprises a super absorbent resin ball arranged between two adjacent activated carbon fiber balls, wherein after the super absorbent resin ball absorbs water, the activated carbon fiber balls and the activated carbon fiber strips are driven to gradually sink into mine waste water together (which is equivalent to a self-stirring process). Preferably, the mass of the super absorbent resin beads may be designed to be different from each other so that the mass achieved by the super absorbent resin beads after saturation is also different, and so that the super absorbent resin beads after saturation can be suspended at different depth positions of mine wastewater.
The beneficial effects brought by adopting the technical scheme are as follows:
the invention takes the activated carbon fiber balls and activated carbon fiber strips as carriers and takes the shell powder, zeolite powder, polyacrylamide and polyaluminium chloride as active ingredients, has super-strong adsorption effect, and can realize mine wastewater purification and greatly facilitate the recycling of the carriers.
The surfaces of the activated carbon fiber balls and the activated carbon fiber strips are sequentially sprayed with a shell powder layer, a zeolite powder layer, a polyacrylamide layer and a polyaluminium chloride layer from outside to inside, and the whole purification process can be independently completed by one-time throwing, so that the use is convenient.
The outside of the shell powder layer, the shell powder layer and the zeolite powder layer, the zeolite powder layer and the polyacrylamide layer, and the polyacrylamide layer and the polyaluminum chloride layer are respectively sprayed with a layer of water-soluble polymer material, so that the materials can be well protected, and the influence of the materials on each other is reduced.
And the super absorbent resin balls are arranged between two adjacent activated carbon fiber balls, and after the super absorbent resin balls absorb water, the activated carbon fiber balls and the activated carbon fiber strips are driven to gradually sink into mine wastewater together, so that the full contact between the treating agent and the mine wastewater is realized, and the treating effect of the treating agent is improved.
Detailed Description
The present invention will be described in further detail with reference to examples in order to make the objects and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
A mine wastewater treatment agent comprises active carbon fiber balls and active carbon fiber strips, wherein the active carbon fiber balls and the active carbon fiber strips are integrally formed and connected in series to form a string, a super absorbent resin ball is arranged between two adjacent active carbon fiber balls, the active carbon fiber strips penetrate through the super absorbent resin ball, and after the super absorbent resin ball absorbs water, the active carbon fiber balls and the active carbon fiber strips are driven to sink into mine wastewater together; the surfaces of the activated carbon fiber balls and the activated carbon fiber strips are sequentially sprayed with a shell powder layer, a zeolite powder layer, a polyacrylamide layer and a polyaluminium chloride layer from outside to inside, and a layer of polyvinyl alcohol (water-soluble) is sprayed on the outer side of the shell powder layer, between the shell powder layer and the zeolite powder layer, between the zeolite powder layer and the polyacrylamide layer and between the polyacrylamide layer and the polyaluminium chloride layer; the mass ratio of the shell powder to the zeolite powder to the polyaluminium chloride to the polyacrylamide is 36:10:6:3. The activated carbon fiber balls are hollow-out-shaped balls which are woven by activated carbon fibers and are in a net shape, and the activated carbon fiber strips are net-shaped woven nets woven by the activated carbon fibers.
Example 2
A mine wastewater treatment agent comprises active carbon fiber balls and active carbon fiber strips, wherein the active carbon fiber balls and the active carbon fiber strips are integrally formed and connected in series to form a string, a super absorbent resin ball is arranged between two adjacent active carbon fiber balls, the active carbon fiber strips penetrate through the super absorbent resin ball, and after the super absorbent resin ball absorbs water, the active carbon fiber balls and the active carbon fiber strips are driven to sink into mine wastewater together; the surfaces of the activated carbon fiber balls and the activated carbon fiber strips are sequentially sprayed with a shell powder layer, a zeolite powder layer, a polyacrylamide layer and a polyaluminium chloride layer from outside to inside, and a layer of polyvinyl alcohol (water-soluble) is sprayed on the outer side of the shell powder layer, between the shell powder layer and the zeolite powder layer, between the zeolite powder layer and the polyacrylamide layer and between the polyacrylamide layer and the polyaluminium chloride layer; the mass ratio of the shell powder to the zeolite powder to the polyaluminium chloride to the polyacrylamide is 48:20:8:5. The activated carbon fiber balls are hollow-out-shaped balls which are woven by activated carbon fibers and are in a net shape, and the activated carbon fiber strips are net-shaped woven nets woven by the activated carbon fibers.
Example 3
A mine wastewater treatment agent comprises active carbon fiber balls and active carbon fiber strips, wherein the active carbon fiber balls and the active carbon fiber strips are integrally formed and connected in series to form a string, a super absorbent resin ball is arranged between two adjacent active carbon fiber balls, the active carbon fiber strips penetrate through the super absorbent resin ball, and after the super absorbent resin ball absorbs water, the active carbon fiber balls and the active carbon fiber strips are driven to sink into mine wastewater together; the surfaces of the activated carbon fiber balls and the activated carbon fiber strips are sequentially sprayed with a shell powder layer, a zeolite powder layer, a polyacrylamide layer and a polyaluminium chloride layer from outside to inside, and a layer of polyvinyl alcohol (water-soluble) is sprayed on the outer side of the shell powder layer, between the shell powder layer and the zeolite powder layer, between the zeolite powder layer and the polyacrylamide layer and between the polyacrylamide layer and the polyaluminium chloride layer; the mass ratio of the shell powder to the zeolite powder to the polyaluminium chloride to the polyacrylamide is 42:15:7:4. The activated carbon fiber balls are hollow-out-shaped balls which are woven by activated carbon fibers and are in a net shape, and the activated carbon fiber strips are net-shaped woven nets woven by the activated carbon fibers.
When the method is used in the concrete implementation, part of coal slime in mine wastewater is removed through a sedimentation tank, then larger suspended matters in the mine wastewater are removed through an electric grid, then a treating agent is prepared according to the adding proportion of 10mg/L polyaluminium chloride, after the preparation is finished, the treating agent is directly put into the mine wastewater, after standing for 10min, 50r/min is used for 15-20min, and suspended matters and carriers are fished out, so that the subsequent clarification treatment can be carried out.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (5)

1. The mine wastewater treatment agent is characterized by comprising activated carbon fiber balls, activated carbon fiber strips, shell powder sprayed on the surfaces of the activated carbon fiber balls and the activated carbon fiber strips, zeolite powder, polyacrylamide and polyaluminium chloride;
the activated carbon fiber balls and the activated carbon fiber strips are integrally formed and connected in series to form a string;
the surface of the activated carbon fiber ball and the activated carbon fiber strip are sequentially sprayed with a shell powder layer, a zeolite powder layer, a polyacrylamide layer and a polyaluminium chloride layer from outside to inside;
the mass ratio of the shell powder to the zeolite powder to the polyaluminium chloride to the polyacrylamide is 36-48:10-20:6-8:3-5;
a layer of water-soluble high polymer material is sprayed on the outer side of the shell powder layer, between the shell powder layer and the zeolite powder layer, between the zeolite powder layer and the polyacrylamide layer, and between the polyacrylamide layer and the polyaluminium chloride layer.
2. The mine wastewater treatment agent according to claim 1, wherein the water-soluble polymer material is polyvinyl alcohol.
3. The mine wastewater treatment agent as claimed in claim 1, wherein the activated carbon fiber balls are hollow-out balls which are woven from activated carbon fibers and are in a net shape.
4. The mine wastewater treatment agent as claimed in claim 1, wherein the activated carbon fiber strips are mesh-like woven meshes woven from activated carbon fibers.
5. The mine wastewater treatment agent according to claim 1, further comprising a super absorbent resin ball arranged between two adjacent activated carbon fiber balls, wherein the super absorbent resin ball, after absorbing water, drives the activated carbon fiber balls and the activated carbon fiber strips to sink into mine wastewater together.
CN202010359845.5A 2020-04-29 2020-04-29 Mine wastewater treatment agent Active CN111495340B (en)

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Application Number Priority Date Filing Date Title
CN202010359845.5A CN111495340B (en) 2020-04-29 2020-04-29 Mine wastewater treatment agent

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Application Number Priority Date Filing Date Title
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CN115109727A (en) * 2022-07-13 2022-09-27 西安工程大学 Composite microbial inoculum and application thereof in improving quality of mushroom dreg compost products

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0433677A1 (en) * 1989-11-22 1991-06-26 Calgon Carbon Corporation Removal of mercury from liquid hydrocarbons
CN1200353A (en) * 1997-01-31 1998-12-02 电泳公司 Composite adsorbent element and method for purifying water
CN102849845A (en) * 2012-08-27 2013-01-02 北京化工大学 Preparation method and application of biological carbon fiber water treatment filler
CN102963952A (en) * 2012-11-28 2013-03-13 大连东泰产业废弃物处理有限公司 Method for treating oily wastewater
CN103566885A (en) * 2013-11-05 2014-02-12 四川创越炭材料有限公司 Activated carbon fiber ball and preparation method thereof
CN107892339A (en) * 2017-11-23 2018-04-10 浙江海洋大学 A kind of aquatic products sewage-treating agent prepares and its application
CN108585075A (en) * 2018-05-19 2018-09-28 陈文� A kind of high-efficient sewage material for water treatment and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0433677A1 (en) * 1989-11-22 1991-06-26 Calgon Carbon Corporation Removal of mercury from liquid hydrocarbons
CN1200353A (en) * 1997-01-31 1998-12-02 电泳公司 Composite adsorbent element and method for purifying water
CN102849845A (en) * 2012-08-27 2013-01-02 北京化工大学 Preparation method and application of biological carbon fiber water treatment filler
CN102963952A (en) * 2012-11-28 2013-03-13 大连东泰产业废弃物处理有限公司 Method for treating oily wastewater
CN103566885A (en) * 2013-11-05 2014-02-12 四川创越炭材料有限公司 Activated carbon fiber ball and preparation method thereof
CN107892339A (en) * 2017-11-23 2018-04-10 浙江海洋大学 A kind of aquatic products sewage-treating agent prepares and its application
CN108585075A (en) * 2018-05-19 2018-09-28 陈文� A kind of high-efficient sewage material for water treatment and preparation method thereof

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