CN113307325A - Harmless agent for sewage treatment and preparation method thereof - Google Patents
Harmless agent for sewage treatment and preparation method thereof Download PDFInfo
- Publication number
- CN113307325A CN113307325A CN202110670362.1A CN202110670362A CN113307325A CN 113307325 A CN113307325 A CN 113307325A CN 202110670362 A CN202110670362 A CN 202110670362A CN 113307325 A CN113307325 A CN 113307325A
- Authority
- CN
- China
- Prior art keywords
- parts
- ionic liquid
- cmc
- harmless
- mof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/36—Organic compounds containing halogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/40—Organic compounds containing sulfur
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention provides a harmless medicament for sewage treatment and a preparation method thereof, and relates to the technical field of sewage treatment. The harmless medicament for sewage treatment comprises the following components in parts by weight: 35-45 parts of bentonite, 10-15 parts of polyaluminium chloride, 10-15 parts of conjugated polymer hydrogel, 5-10 parts of magnetic powder, 3-5 parts of electret master batch, 1-3 parts of carbon nano tube, 15-25 parts of biological charcoal-based FeS2 composite material, 3-5 parts of ionic liquid modified chitosan and 5-10 parts of CMC/MOF-199 composite pellet. The agent disclosed by the invention has extremely strong ion adsorption property, can adsorb heavy metal ions in sewage, can adsorb methylene blue and methyl orange components, has an effect on reducing COD (chemical oxygen demand), turbidity, ammonia nitrogen and total phosphorus, can be rapidly deposited along with adsorption after being put into the sewage, forms large-cluster flocculating constituents, is extremely few in discrete flocculating constituents, and is very convenient for later-stage cleaning.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a harmless medicament for sewage treatment and a preparation method thereof.
Background
Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. Along with the discharge, make sewage treatment contain various heavy metal ions and organic dyestuff, although current sewage flocculating agent can adsorb heavy metal ions, organic dyestuff and floater, nevertheless have the floating phenomenon after the absorption, the flocculating constituent that produces simultaneously gathers degree inadequately, and like this later stage clearance will become very troublesome.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a harmless medicament for sewage treatment and a preparation method thereof, and solves the problems of floating phenomenon and non-aggregation between flocculating constituents of the conventional sewage treatment flocculating medicament.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a harmless medicament for sewage treatment comprises the following components in parts by weight: 35-45 parts of bentonite, 10-15 parts of polyaluminium chloride, 10-15 parts of conjugated polymer hydrogel, 5-10 parts of magnetic powder, 3-5 parts of electret master batch, 1-3 parts of carbon nano tube, 15-25 parts of biological charcoal-based FeS2 composite material, 3-5 parts of ionic liquid modified chitosan and 5-10 parts of CMC/MOF-199 composite pellet.
Preferably, the ionic liquid modified chitosan is prepared by modifying chitosan with carboxyl functionalized ionic liquid 1-carboxybutyl-3-methylimidazolium chloride.
Preferably, the biological biochar-based FeS2 composite material is prepared from FeS2 and biochar in a weight ratio of 1: 1-5 are synthesized by a hydrothermal method.
Preferably, the CMC/MOF-199 composite pellet is of a shell structure prepared by taking a CMC-Cu pellet as a matrix and water and ethanol as mixed solvents through a hydrothermal synthesis method.
A preparation method of a harmless medicament for sewage treatment comprises the following steps: firstly, adding bentonite, polyaluminium chloride and carbon nanotubes into grinding equipment for full grinding; secondly, adding the electret master batch into the ground product, adding the conjugated polymer hydrogel in the mixing process, and flattening by rolling after the mixing is finished; thirdly, charging the flattened mixture by using a charging roller; dispersing the magnetic powder into the ionic liquid modified chitosan, adding deionized water into the ionic liquid modified chitosan, and then putting the CMC/MOF-199 composite pellet into the ionic liquid modified chitosan, so that the magnetic powder and the ionic liquid modified chitosan can be absorbed by the CMC/MOF-199 composite pellet; fifthly, laying the adsorbed CMC/MOF-199 composite pellets in the charged flat mixture for wrapping, and then granulating and molding by using a granulator; and sixthly, putting the granulated medicament into a dryer for drying.
Preferably, the particle diameter of the medicament is 2-6 mm.
(III) advantageous effects
The invention provides a harmless medicament for sewage treatment and a preparation method thereof. The method has the following beneficial effects:
the agent disclosed by the invention has extremely strong ion adsorption property, can adsorb heavy metal ions in sewage, can adsorb methylene blue and methyl orange components, has an effect on reducing COD (chemical oxygen demand), turbidity, ammonia nitrogen and total phosphorus, can be rapidly deposited along with adsorption after being put into the sewage, forms large-cluster flocculating constituents, is extremely few in discrete flocculating constituents, and is very convenient for later-stage cleaning.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
the embodiment of the invention provides a harmless medicament for sewage treatment, which comprises the following components in parts by weight: 35 parts of bentonite, 10 parts of polyaluminium chloride, 10 parts of conjugated polymer hydrogel, 10 parts of magnetic powder, 5 parts of electret master batch, 1 part of carbon nano tube, 15 parts of biological charcoal-based FeS2 composite material, 3 parts of ionic liquid modified chitosan and 5 parts of CMC/MOF-199 composite pellet.
The ionic liquid modified chitosan is prepared by modifying chitosan with carboxyl functionalized ionic liquid 1-carboxybutyl-3-methylimidazolium chloride, and has strong anion absorptionAdhesion property to Cr2O7 2－And PF6－Adsorption is carried out, and precipitation can be carried out in the sewage after adsorption.
The biological biochar-based FeS2 composite material is prepared from FeS2 and biochar in a weight ratio of 1: 3 the biological carbon is synthesized by a hydrothermal method, can adsorb As in sewage, has a large surface area and can promote the dispersed loading of FeS2, and further increases active adsorption sites of As, wherein the biological carbon is obtained by crushing straws, placing the crushed biological carbon in a 105 ℃ tubular furnace for drying and adding nitrogen atmosphere, and adjusting the temperature to 600 ℃.
The CMC/MOF-199 composite pellet is a shell structure prepared by taking a CMC-Cu pellet as a matrix and water and ethanol as mixed solvents through a hydrothermal synthesis method, and has rich pore channel structures capable of adsorbing Cr, Pb, methylene blue and methyl orange.
A preparation method of a harmless medicament for sewage treatment comprises the following steps: firstly, adding bentonite, polyaluminium chloride and carbon nano tubes into grinding equipment for full grinding, wherein the joint use of the bentonite and the polyaluminium chloride can reduce COD (chemical oxygen demand), turbidity, ammonia nitrogen and total phosphorus of sewage, and floccule formed can sink quickly after use; secondly, adding the electret master batch into the ground product, adding the conjugated polymer hydrogel in the mixing process, and rolling and flattening the mixture after the mixing is finished, so that the later charging process can be facilitated, wherein the conjugated polymer hydrogel can adsorb heavy metal ions and organic dyes; thirdly, charging two side surfaces of the flattened mixture by using a charging roller, wherein the electret master batch can be fully charged due to the conductivity of the carbon nano tube, and electric energy is stored in the electret master batch, so that ions in sewage can be adsorbed; dispersing the magnetic powder into the ionic liquid modified chitosan, adding deionized water into the ionic liquid modified chitosan, and then putting the CMC/MOF-199 composite pellets into the ionic liquid modified chitosan, so that the CMC/MOF-199 composite pellets can absorb the magnetic powder and the ionic liquid modified chitosan, and the magnetic powder can be prevented from being adsorbed on a compression roller during rolling and being adsorbed on a charging roller during charging; fifthly, laying the adsorbed CMC/MOF-199 composite pellets into the charged flat mixture for wrapping, and then preparing medicament particles with the diameter of 4mm by using a granulator, wherein the dispersion rates of different particle sizes are inconsistent, and the volumes of floccules formed by aggregation are inconsistent; and sixthly, putting the granulated medicament into a dryer for drying, wherein abundant pore structures are formed inside medicament particles after moisture is reduced, and the medicament particles are gradually dispersed in water along with the accumulation of adsorption, so that larger floccules are convenient to form, and the dispersed floccules are only less than 0.5% of small particles which are not aggregated, so that the subsequent cleaning is very convenient.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A harmless medicament for sewage treatment is characterized by comprising the following components in parts by weight: 35-45 parts of bentonite, 10-15 parts of polyaluminium chloride, 10-15 parts of conjugated polymer hydrogel, 5-10 parts of magnetic powder, 3-5 parts of electret master batch, 1-3 parts of carbon nano tube, 15-25 parts of biological charcoal-based FeS2 composite material, 3-5 parts of ionic liquid modified chitosan and 5-10 parts of CMC/MOF-199 composite pellet.
2. The harmless agent for wastewater treatment according to claim 1, wherein: the ionic liquid modified chitosan is prepared by modifying chitosan with carboxyl functionalized ionic liquid 1-carboxybutyl-3-methylimidazolium chloride.
3. The harmless agent for wastewater treatment according to claim 1, wherein: the biological biochar-based FeS2 composite material is prepared from FeS2 and biochar in a weight ratio of 1: 1-5 are synthesized by a hydrothermal method.
4. The harmless agent for wastewater treatment according to claim 1, wherein: the CMC/MOF-199 composite pellet is a shell structure prepared by taking a CMC-Cu pellet as a matrix and water and ethanol as mixed solvents through a hydrothermal synthesis method.
5. A preparation method of a harmless medicament for sewage treatment is characterized by comprising the following steps: firstly, adding bentonite, polyaluminium chloride and carbon nanotubes into grinding equipment for full grinding; secondly, adding the electret master batch into the ground product, adding the conjugated polymer hydrogel in the mixing process, and flattening by rolling after the mixing is finished; thirdly, charging the flattened mixture by using a charging roller; dispersing the magnetic powder into the ionic liquid modified chitosan, adding deionized water into the ionic liquid modified chitosan, and then putting the CMC/MOF-199 composite pellet into the ionic liquid modified chitosan, so that the magnetic powder and the ionic liquid modified chitosan can be absorbed by the CMC/MOF-199 composite pellet; fifthly, laying the adsorbed CMC/MOF-199 composite pellets in the charged flat mixture for wrapping, and then granulating and molding by using a granulator; and sixthly, putting the granulated medicament into a dryer for drying.
6. The method for preparing harmless chemical for wastewater treatment according to claim 4, wherein the method comprises the following steps: the particle diameter of the medicament is 2-6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110670362.1A CN113307325A (en) | 2021-06-17 | 2021-06-17 | Harmless agent for sewage treatment and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110670362.1A CN113307325A (en) | 2021-06-17 | 2021-06-17 | Harmless agent for sewage treatment and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113307325A true CN113307325A (en) | 2021-08-27 |
Family
ID=77379105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110670362.1A Pending CN113307325A (en) | 2021-06-17 | 2021-06-17 | Harmless agent for sewage treatment and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113307325A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200557A (en) * | 2015-10-20 | 2015-12-30 | 江苏科技大学 | Preparation method of cellulose and chitosan hybrid fiber |
| CN106966456A (en) * | 2016-01-14 | 2017-07-21 | 南开大学 | A kind of preparation method and application of ferrous sulfide/biology carbon composite |
| CN107285446A (en) * | 2017-08-28 | 2017-10-24 | 湖南奇思环保有限公司 | A kind of flocculant and its synthetic method and application |
| WO2018035626A1 (en) * | 2016-08-23 | 2018-03-01 | 承亿发发展有限公司 | Recovery method for heavy metal sludge |
| CN107754766A (en) * | 2017-11-28 | 2018-03-06 | 广西大学 | A kind of MOF perforated foams and preparation method thereof |
| CN112897624A (en) * | 2021-01-26 | 2021-06-04 | 南开大学 | Pyrite/biochar composite material and preparation method and application thereof |
-
2021
- 2021-06-17 CN CN202110670362.1A patent/CN113307325A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200557A (en) * | 2015-10-20 | 2015-12-30 | 江苏科技大学 | Preparation method of cellulose and chitosan hybrid fiber |
| CN106966456A (en) * | 2016-01-14 | 2017-07-21 | 南开大学 | A kind of preparation method and application of ferrous sulfide/biology carbon composite |
| WO2018035626A1 (en) * | 2016-08-23 | 2018-03-01 | 承亿发发展有限公司 | Recovery method for heavy metal sludge |
| CN107285446A (en) * | 2017-08-28 | 2017-10-24 | 湖南奇思环保有限公司 | A kind of flocculant and its synthetic method and application |
| CN107754766A (en) * | 2017-11-28 | 2018-03-06 | 广西大学 | A kind of MOF perforated foams and preparation method thereof |
| CN112897624A (en) * | 2021-01-26 | 2021-06-04 | 南开大学 | Pyrite/biochar composite material and preparation method and application thereof |
Non-Patent Citations (3)
| Title |
|---|
| 余明清等: "共轭聚合物水凝胶的制备与应用进展", 《高分子学报》 * |
| 天津市科技史志编修办公室: "《天津科技年鉴 2006》", 31 December 2006, 北京方志出版社 * |
| 环保工作者实用手册编写组: "《环保工作者实用手册》", 30 November 1984, 冶金工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zheng et al. | Fast removal of ammonium nitrogen from aqueous solution using chitosan-g-poly (acrylic acid)/attapulgite composite | |
| WO2019114532A1 (en) | Preparation method for composite modified straw active particulate carbon adsorption material and use of same | |
| Ansari et al. | Removal of basic dye methylene blue from aqueous solutions using sawdust and sawdust coated with polypyrrole | |
| Rafiaee et al. | Removal of hexavalent chromium from aqueous media using pomegranate peels modified by polymeric coatings: effects of various composite synthesis parameters | |
| CN101218174B (en) | Activated carbon and process of making the same | |
| WO2016187796A1 (en) | Preparation method and use of heavy metal ion adsorbent | |
| WO2022174551A1 (en) | Magnetic core-shell nanosphere for adsorption of phenolic pollutant, preparation method, and application | |
| CN103447013A (en) | Method for preparing graphene/chitosan adsorbent and application method thereof | |
| CN101224412A (en) | Biologic absorbent for adsorbing heavy metal and preparing method thereof | |
| Belalia et al. | Preparation of hybrid material based of PANI with SiO 2 and its adsorption of phenol from aqueous solution | |
| Zhang et al. | Synthesis and adsorption performance of three-dimensional gels assembled by carbon nanomaterials for heavy metal removal from water: a review | |
| Wang et al. | Direct current electrochemical method for removal and recovery of heavy metals from water using straw biochar electrode | |
| Zhao et al. | Selectively capacitive recovery of rare earth elements from aqueous solution onto Lewis base sites of pyrrolic-N doped activated carbon electrodes | |
| CN110282856A (en) | A kind of full strong cation type grafting natural polymer sludge conditioner and preparation method thereof | |
| Nguyen et al. | Modification of crosslinked chitosan beads with histidine and Saccharomyces cerevisiae for enhanced Ni (II) biosorption | |
| CN112973753B (en) | Preparation method and application of Z-type heterojunction aerogel type photocatalytic material | |
| Wang et al. | Preparation of carboxymethyl cellulose-based macroporous adsorbent by eco-friendly Pickering-MIPEs template for fast removal of Pb2+ and Cd2+ | |
| CN110652962A (en) | Three-dimensional porous graphene/attapulgite composite aerogel and preparation method thereof | |
| CN112121774A (en) | Preparation method of hydrophilic graphene film | |
| CN107162383B (en) | High-efficiency low-chlorine conditioner and application thereof in dehydration of high-solid digested sludge | |
| CN112473630A (en) | Composite graphene chitosan aerogel and preparation method and application thereof | |
| CN102500167B (en) | Core-shell structure composite filter material for water treatment and preparation method thereof | |
| CN113307325A (en) | Harmless agent for sewage treatment and preparation method thereof | |
| Tian et al. | Amine-functionalized magnetic microspheres from lignosulfonate for industrial wastewater purification | |
| CN112774584B (en) | Floatable FeS-lignin hydrogel nanocomposite and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210827 |
|
| RJ01 | Rejection of invention patent application after publication |