CN106629971B - Iron-based nano sewage treatment agent and application method thereof - Google Patents
Iron-based nano sewage treatment agent and application method thereof Download PDFInfo
- Publication number
- CN106629971B CN106629971B CN201611108779.4A CN201611108779A CN106629971B CN 106629971 B CN106629971 B CN 106629971B CN 201611108779 A CN201611108779 A CN 201611108779A CN 106629971 B CN106629971 B CN 106629971B
- Authority
- CN
- China
- Prior art keywords
- parts
- iron
- based nano
- nano
- sewage treatment
- 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.)
- Active
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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F2101/30—Organic compounds
Abstract
The invention discloses an iron-based nano sewage treatment siteThe physical agent comprises the following raw materials in parts by weight: 70-80 parts of surface-modified attapulgite clay, 25-40 parts of organic silicon rubber waste, 5-10 parts of iron-based nano complexing agent, 2-6 parts of activated carbon particles, 1-3 parts of cellulosic ethanol, 1-3 parts of regeneration complexing agent and 5-8 parts of lithopone; the iron-based nano complexing agent comprises the following raw materials in parts by weight: nano Fe3O45-10 parts of nano Fe (OH)315-20 parts of polyethylene glycol and 1-3 parts of polyethylene glycol. The surface-modified attapulgite clay and the iron-based nano composite agent can be combined with activated carbon particles to effectively treat sewage; the addition of the organic silicon rubber waste promotes the hydrophobic property, improves the convenience of processing the carrier, and is very convenient for packaging and transportation; the fiber ethanol and lithopone can effectively filter sewage, promote impurities and harmful substances in the sewage, particularly phosphorus, to be adsorbed by the surface-modified attapulgite clay, the iron-based nano complexing agent and the activated carbon particles, and can be recycled with high utilization efficiency.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an iron-based nano sewage treatment agent and a using method thereof.
Background
In the severe situation of water eutrophication, the requirements of governments and people on urban sewage treatment are increasingly improved in recent years, the indexes of nutrient salts in sewage discharge standards are more and more strict, and more urban sewage treatment plants introduce a sewage treatment process with nitrogen and phosphorus removal functions to achieve the discharge standards, so that organic pollutants in the urban sewage are purified, and the content of nitrogen and phosphorus in the effluent is greatly reduced. However, at present, due to various reasons, the effect of biological nitrogen and phosphorus removal processes in many sewage plants is not expected, and the effluent phosphorus is difficult to reach the standard only by means of biological phosphorus removal. The adsorption dephosphorization is a sewage dephosphorization process realized by utilizing the affinity of certain porous or large-specific-surface-area solid substances to phosphate ions in water. The phosphorus is separated from the sewage through physical adsorption and ion exchange indicated by the adsorbent or indicating a coprecipitation process, and phosphorus resources can be further recovered through desorption treatment. The key point of phosphorus removal by an adsorption method is to find a high-efficiency adsorbent.
At present, most of village sewage treatment is limited to COD as main control, indexes such as nitrogen, phosphorus and the like cannot meet the emission requirement at all, the indexes are limited by the technical management level and are limited by complicated operation, high operation cost, large sludge production and the like of conventional phosphorus removal to a great extent, the project is to find an efficient material for deep treatment of low-phosphorus tail water after biochemical treatment, the reaction speed is high, the operation is simple and easy, a concentrated product is high-phosphorus liquid, the concentrated product can be recycled, the secondary pollution to the environment cannot be generated, the concentrated material can be manufactured in an equipment manner, and the concentrated material is suitable for large, medium and small scales and can be seamlessly butted with various biochemical treatment systems.
Disclosure of Invention
The invention aims to provide an iron-based nano sewage treatment agent for sewage treatment and a using method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
an iron-based nano sewage treatment agent comprises the following raw materials in parts by weight: 65 parts of surface-modified attapulgite clay, 30 parts of organic silicon rubber waste, 8 parts of iron-based nano complexing agent, 5 parts of activated carbon particles, 2 parts of cellulosic ethanol, 2 parts of regenerative complexing agent and 6 parts of lithopone;
the iron-based nano complexing agent comprises the following raw materials in parts by weight: nano Fe3O45-10 parts of nano Fe (OH)315-20 parts of polyethylene glycol and 1-3 parts of polyethylene glycol;
the regeneration complexing agent comprises 1.5-2.5 parts of zeolite, 1-3 parts of strong base and 3-5 parts of sodium chloride.
Further, the iron-based nano sewage treatment agent comprises the following raw materials in parts by weight: nano Fe3O46-8 parts of nano Fe (OH)317-18 parts of polyethylene glycol and 1-2 parts of polyethylene glycol.
Further, the iron-based nano sewage treatment agent comprises the following raw materials in parts by weight: nano Fe3O47 parts of nano Fe (OH)318 parts of polyethylene glycol and 2 parts of polyethylene glycol.
Further, the surface-modified attapulgite clay is prepared by adding 20-30 parts of dendritic quaternary ammonium salt tetrameric surfactant, 5-10 parts of nano manganese oxide and 10-15 parts of potassium ferrate to 100 parts of the surface of the attapulgite clay.
Further, the iron-based nano sewage treatment agent is characterized in that the organic silicon rubber waste is crushed into particles with the size of 0.3-0.5 mm.
Further, the iron-based nano sewage treatment agent is characterized in that the strong base is sodium hydroxide and/or potassium hydroxide.
The using method of any iron-based nano sewage treatment agent comprises the following steps:
(1) enabling sewage to flow into a shallow sand filter from a water outlet of a secondary sedimentation tank of a biochemical treatment system, and adding the sewage treatment agent into the sand filter to remove non-soluble pollutants in the water;
(2) enabling the filtrate obtained in the step (1) to pass through an adsorption tower filled with the sewage treatment agent, effectively adsorbing dissolved organic matters and phosphorus which are difficult to biodegrade in biochemical tail water, adding an aeration device at the bottom of the adsorption tower for aeration, and greatly reducing COD (chemical oxygen demand) and total phosphorus concentration in the effluent after adsorption;
(3) stopping adsorption when the adsorption reaches a breakthrough point, adding the regeneration complexing agent, and performing desorption regeneration on the iron-based nano complexing agent for recycling;
(4) and (4) neutralizing the high-concentration desorption solution obtained in the step (3) through pH value, concentrating, drying, sealing and storing, and using for next sewage treatment.
Further, in the using method of the iron-based nano sewage treatment agent, in the step (1), the filtering speed of the sewage in a sand filter is 6-10 m/h; adding HNO in the pH value neutralization operation of the step (4)3Neutralizing, and controlling pH value to 6.8-7.5.
Compared with the prior art, the invention has the beneficial effects that:
the added surface-modified attapulgite clay and the iron-based nano composite agent are combined with the activated carbon particles to effectively treat the sewage; the addition of the organic silicon rubber waste promotes the hydrophobic property, the convenience of processing the carrier is improved, and the packaging and transportation are very convenient; the cellulosic ethanol and lithopone can effectively filter sewage, promote impurities and harmful substances in the sewage, particularly phosphorus, to be adsorbed by the surface-modified attapulgite clay, the iron-based nano complexing agent and the activated carbon particles, and the regeneration complexing agent can promote the regeneration and utilization of the surface-modified attapulgite clay and the iron-based nano complexing agent, so that the utilization efficiency is high.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
An iron-based nano sewage treatment agent comprises the following raw materials in parts by weight: 65 parts of surface-modified attapulgite clay, 30 parts of organic silicon rubber waste, 8 parts of iron-based nano complexing agent, 5 parts of activated carbon particles, 2 parts of cellulosic ethanol, 2 parts of regenerative complexing agent and 6 parts of lithopone; the iron-based nano complexing agent comprises the following raw materials in parts by weight: nano Fe3O46 parts, nano Fe (OH)317 parts and 1 part of polyethylene glycol.
The using method comprises the following steps:
(1) enabling sewage to flow into a shallow sand filter from a water outlet of a secondary sedimentation tank of a biochemical treatment system, and adding the sewage treatment agent into the sand filter to remove non-soluble pollutants in the water;
(2) enabling the filtrate obtained in the step (1) to pass through an adsorption tower filled with the sewage treatment agent, effectively adsorbing dissolved organic matters and phosphorus which are difficult to biodegrade in biochemical tail water, adding an aeration device at the bottom of the adsorption tower for aeration, and greatly reducing COD (chemical oxygen demand) and total phosphorus concentration in the effluent after adsorption;
(3) stopping adsorption when the adsorption reaches a breakthrough point, adding the regeneration complexing agent, and performing desorption regeneration on the iron-based nano complexing agent for recycling;
(4) and (4) neutralizing the high-concentration desorption solution obtained in the step (3) through pH value, concentrating, drying, sealing and storing, and using for next sewage treatment.
Fe3O4、Fe(OH)3Has the characteristics of no harm to the environment, wide distribution range, large specific surface area, high surface activity and the like. The iron-based nano material has the macroscopic characteristics of electricity, magnetism, light, chemistry and the like, so that the iron-based nano material has good adsorbability and unique advantagesHas good application prospect in the treatment process of the environmental pollutants. The method changes the traditional thinking of sewage treatment and phosphorus removal in sewage, the material is easy to obtain, no chemical sludge is generated, no secondary pollution is generated to the environment, the concentrated solution generated by saturated regeneration can be recycled after neutralization, and the method can be very easily matched with various current sewage treatment systems after the industry is formed. After the market promotion, the whole water ecosystem can contribute greatly to the industry.
The phosphorus removal efficiency of the product of the embodiment is 94.5%; the product is burnt in a muffle furnace at 300 ℃ for 30 minutes, the weight loss is 1.5 percent, and the product does not sink after being placed in water for one week, which indicates that the hydrophobic property is good.
Example 2
An iron-based nano sewage treatment agent comprises the following raw materials in parts by weight: 65 parts of surface-modified attapulgite clay, 30 parts of organic silicon rubber waste, 8 parts of iron-based nano complexing agent, 5 parts of activated carbon particles, 2 parts of cellulosic ethanol, 2 parts of regenerative complexing agent and 6 parts of lithopone; the iron-based nano complexing agent comprises the following raw materials in parts by weight: nano Fe3O48 parts of nano Fe (OH)317 parts and 1 part of polyethylene glycol.
The procedure was as in example 1.
The phosphorus removal efficiency of the product of the embodiment is 93.8%; the product is burnt in a muffle furnace at 300 ℃ for 30 minutes, the weight loss is 1.2 percent, and the product does not sink after being placed in water for one week, which indicates that the hydrophobic property is good.
Example 3
An iron-based nano sewage treatment agent comprises the following raw materials in parts by weight: 65 parts of surface-modified attapulgite clay, 30 parts of organic silicon rubber waste, 8 parts of iron-based nano complexing agent, 5 parts of activated carbon particles, 2 parts of cellulosic ethanol, 2 parts of regenerative complexing agent and 6 parts of lithopone; the iron-based nano complexing agent comprises the following raw materials in parts by weight: nano Fe3O47 parts of nano Fe (OH)318 parts of polyethylene glycol and 2 parts of polyethylene glycol.
The procedure was as in example 1.
The phosphorus removal efficiency of the product of the embodiment is 95.2%; the product is burnt in a muffle furnace at 300 ℃ for 30 minutes, the weight loss is 1.4 percent, and the product does not sink after being placed in water for one week, which indicates that the hydrophobic property is good.
Example 4
An iron-based nano sewage treatment agent comprises the following raw materials in parts by weight: 65 parts of surface-modified attapulgite clay, 30 parts of organic silicon rubber waste, 8 parts of iron-based nano complexing agent, 5 parts of activated carbon particles, 2 parts of cellulosic ethanol, 2 parts of regenerative complexing agent and 6 parts of lithopone; the iron-based nano complexing agent comprises the following raw materials in parts by weight: nano Fe3O47 parts of nano Fe (OH)318 parts of polyethylene glycol and 2 parts of polyethylene glycol. The surface modified attapulgite clay is prepared by adding 20-30 parts of dendritic quaternary ammonium salt tetrameric surfactant, 5-10 parts of nano manganese oxide and 10-15 parts of potassium ferrate on the surface of 100 parts of attapulgite clay.
The procedure was as in example 1.
The phosphorus removal efficiency of the product of the embodiment is 96.8%; the product is burnt in a muffle furnace at 300 ℃ for 30 minutes, the weight loss is 1.3 percent, and the product does not sink after being placed in water for one week, which indicates that the hydrophobic property is good.
Example 5
An iron-based nano sewage treatment agent comprises the following raw materials in parts by weight: 65 parts of surface-modified attapulgite clay, 30 parts of organic silicon rubber waste, 8 parts of iron-based nano complexing agent, 5 parts of activated carbon particles, 2 parts of cellulosic ethanol, 2 parts of regenerative complexing agent and 6 parts of lithopone; the iron-based nano complexing agent comprises the following raw materials in parts by weight: nanometer Fe3O47 parts, nanometer Fe (OH)318 parts of polyethylene glycol and 2 parts of polyethylene glycol. The regeneration complexing agent comprises 1.5-2.5 parts of zeolite, 1-3 parts of strong base and 3-5 parts of sodium chloride.
The procedure was as in example 1.
The phosphorus removal efficiency of the product of the embodiment is 98.1%; the product is burnt in a muffle furnace at 300 ℃ for 30 minutes, the weight loss is 1.2 percent, and the product does not sink after being placed in water for one week, which indicates that the hydrophobic property is good.
Comparative example 1
An iron-based nano sewage treatment agent comprises the following raw materials in parts by weight: 65 parts of attapulgite clay, 30 parts of organic silicon rubber waste, 2 parts of cellulosic ethanol, 2 parts of a regenerative complexing agent and 6 parts of lithopone.
The procedure was as in example 1.
The phosphorus removal efficiency of the product of the embodiment is 70.5 percent; the product is burnt in a muffle furnace at 300 ℃ for 30 minutes, the weight loss is 5.4 percent, and the product is slightly sunk after being placed in water for one week, which indicates that the hydrophobic property is normal.
Comparative example 2
An iron-based nano sewage treatment agent comprises the following raw materials, by weight, 65 parts of attapulgite clay, 30 parts of organic silicon rubber waste, 8 parts of an iron-based nano complexing agent, 5 parts of activated carbon particles, 2 parts of cellulosic ethanol and 6 parts of lithopone; the iron-based nano complexing agent comprises the following raw materials in parts by weight: nano Fe3O47 parts of nano Fe (OH)318 parts of polyethylene glycol and 2 parts of polyethylene glycol.
The procedure was as in example 1.
The phosphorus removal efficiency of the product of the embodiment is 78.6 percent; the product is burnt in a muffle furnace at 300 ℃ for 30 minutes, the weight loss is 3.2 percent, and the product is slightly sunk after being placed in water for one week, which indicates that the hydrophobic property is normal.
Comparative example 3
An iron-based nano sewage treatment agent comprises the following raw materials, by weight, 65 parts of attapulgite clay, 5 parts of activated carbon particles, 2 parts of a regeneration complexing agent and 6 parts of lithopone; the regeneration complexing agent comprises 1.5-2.5 parts of zeolite, 1-3 parts of strong base and 3-5 parts of sodium chloride.
The procedure was as in example 1.
The phosphorus removal efficiency of the product of the embodiment is 81.5 percent; the product is burnt in a muffle furnace at 300 ℃ for 30 minutes, the weight loss is 3.8 percent, and the product is slightly sunk after being placed in water for one week, which indicates that the hydrophobic property is normal.
Application example
The sewage treatment agents obtained in examples and comparative examples were used to treat sewage containing severe phosphorus contamination in the same amount by the method of example 1. Performing water body test after sewage treatment after three days and one week respectively; the evaluation results are shown in tables 1 and 2.
TABLE 1 purification of waste water
As can be seen from Table 1, the examples of the present invention are significantly superior to the comparative examples in the treatment of wastewater, and the treated water body meets the relevant discharge standards.
TABLE 2 phosphorus removal
As can be seen from Table 2, the examples of the present invention are significantly superior to the comparative examples in the treatment of phosphorus in sewage, and the phosphorus content in the treated water meets the relevant requirements.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. An iron-based nano sewage treatment agent is characterized in that,
the raw materials in parts by weight are as follows: 65 parts of surface-modified attapulgite clay, 30 parts of organic silicon rubber waste, 8 parts of iron-based nano complexing agent, 5 parts of activated carbon particles, 2 parts of cellulosic ethanol, 2 parts of regenerative complexing agent and 6 parts of lithopone;
the iron-based nano complexing agent comprises the following raw materials in parts by weight: nano Fe3O45-10 parts of nano Fe (OH)315-20 parts of polyethylene glycol and 1-3 parts of regeneration complexing agent, wherein the regeneration complexing agent comprises 1.5-2.5 parts of zeolite, 1-3 parts of strong base and 3-5 parts of sodium chloride.
2. The iron-based nano sewage treatment agent according to claim 1, wherein the iron-based nano complexing agent comprises the following raw materials in parts by weight: nano Fe3O46-8 parts of nano Fe (OH)317-18 parts of polyethylene glycol and 1-2 parts of polyethylene glycol.
3. The iron-based nano sewage treatment agent of claim 1, wherein the iron-based nano complexing agent is in terms of weightThe raw materials in parts are as follows: nano Fe3O47 parts of nano Fe (OH)318 parts of polyethylene glycol and 2 parts of polyethylene glycol.
4. The iron-based nano sewage treatment agent according to claim 1, wherein the surface-modified attapulgite clay is prepared by adding 20-30 parts of dendritic quaternary ammonium salt tetrameric surfactant, 5-10 parts of nano manganese oxide and 10-15 parts of potassium ferrate to 100 parts of attapulgite clay surface.
5. The iron-based nano sewage treatment agent according to claim 1, wherein the silicone rubber waste is pulverized into particles of 0.3-0.5mm in size.
6. The iron-based nano sewage treatment agent according to claim 1, wherein the strong base is sodium hydroxide and/or potassium hydroxide.
7. The use method of the iron-based nano sewage treatment agent as claimed in any one of claims 1 to 6, wherein: the method comprises the following steps:
(1) enabling sewage to flow into a shallow sand filter from a water outlet of a secondary sedimentation tank of a biochemical treatment system, and adding the sewage treatment agent into the sand filter to remove non-soluble pollutants in the water;
(2) enabling the filtrate obtained in the step (1) to pass through an adsorption tower filled with the sewage treatment agent, effectively adsorbing dissolved organic matters and phosphorus which are difficult to biodegrade in biochemical tail water, adding an aeration device at the bottom of the adsorption tower for aeration, and greatly reducing COD (chemical oxygen demand) and total phosphorus concentration in the effluent after adsorption;
(3) stopping adsorption when the adsorption reaches a breakthrough point, adding the regeneration complexing agent, and performing desorption regeneration on the iron-based nano complexing agent for recycling;
(4) and (4) neutralizing the high-concentration desorption solution obtained in the step (3) through pH value, concentrating, drying, sealing and storing, and using for next sewage treatment.
8. The use method of the iron-based nano sewage treatment agent according to claim 7,
in the step (1), the filtering speed of the sewage in the sand filter is 6-10 m/h;
adding HNO in the pH value neutralization operation of the step (4)3Neutralizing, and controlling pH value to 6.8-7.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108779.4A CN106629971B (en) | 2016-12-06 | 2016-12-06 | Iron-based nano sewage treatment agent and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108779.4A CN106629971B (en) | 2016-12-06 | 2016-12-06 | Iron-based nano sewage treatment agent and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106629971A CN106629971A (en) | 2017-05-10 |
| CN106629971B true CN106629971B (en) | 2020-04-07 |
Family
ID=58819586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611108779.4A Active CN106629971B (en) | 2016-12-06 | 2016-12-06 | Iron-based nano sewage treatment agent and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106629971B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111072114A (en) * | 2018-10-18 | 2020-04-28 | 南京化学工业园环保产业协同创新有限公司 | Nano circulating water treatment agent with biological activity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274484A (en) * | 2013-06-04 | 2013-09-04 | 章方军 | Sewage treatment agent, and preparation method and application thereof |
| CN104138740A (en) * | 2014-04-30 | 2014-11-12 | 明光市恒大棒粉厂 | Compound sewage treatment adsorbent |
| JP2015516284A (en) * | 2012-03-15 | 2015-06-11 | ザハトレーベン ピグメント ゲーエムベーハーＳａｃｈｔｌｅｂｅｎ Ｐｉｇｍｅｎｔ ＧｍｂＨ | Granulation method of particle-containing material obtained from industrial process, granulated product so produced and use thereof |
| CN104971687A (en) * | 2015-07-20 | 2015-10-14 | 北京宝鸿锐科环境科技有限公司 | Efficient compound iron-based phosphorous-removing adsorbent as well as preparation method, application method and regeneration method thereof |
| CN105585085A (en) * | 2015-12-16 | 2016-05-18 | 无锡吉进环保科技有限公司 | Preparation method of sewage treating agent |
-
2016
- 2016-12-06 CN CN201611108779.4A patent/CN106629971B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015516284A (en) * | 2012-03-15 | 2015-06-11 | ザハトレーベン ピグメント ゲーエムベーハーＳａｃｈｔｌｅｂｅｎ Ｐｉｇｍｅｎｔ ＧｍｂＨ | Granulation method of particle-containing material obtained from industrial process, granulated product so produced and use thereof |
| CN103274484A (en) * | 2013-06-04 | 2013-09-04 | 章方军 | Sewage treatment agent, and preparation method and application thereof |
| CN104138740A (en) * | 2014-04-30 | 2014-11-12 | 明光市恒大棒粉厂 | Compound sewage treatment adsorbent |
| CN104971687A (en) * | 2015-07-20 | 2015-10-14 | 北京宝鸿锐科环境科技有限公司 | Efficient compound iron-based phosphorous-removing adsorbent as well as preparation method, application method and regeneration method thereof |
| CN105585085A (en) * | 2015-12-16 | 2016-05-18 | 无锡吉进环保科技有限公司 | Preparation method of sewage treating agent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106629971A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105541017B (en) | Method and device for zero emission of strong brine | |
| CN107188330B (en) | Method for adsorbing and purifying acidic wastewater | |
| CN103771650B (en) | A kind for the treatment of process of coal gasification waste water | |
| CN112897775B (en) | Method for treating fluorine-containing organic waste liquid | |
| CN111939866A (en) | Method for efficiently treating domestic garbage leachate and preparing modified aluminum-iron-based adsorbent | |
| CN103601262A (en) | Method for utilizing water supply plant sludge to remove hydrogen sulfide in water by employing adsorption column | |
| CN204079699U (en) | A kind of sewage water recycling and processing equipment of continuous lignin-sludge minimizing | |
| Aziz et al. | Municipal landfill leachate treatment techniques: an overview | |
| CN203513401U (en) | Graphene-based continuous waste water filtration and adsorption treatment device | |
| CN104478055A (en) | Sewage treatment complexing agent as well as preparation method and application method thereof | |
| Jing et al. | Recent advances in treatment and recycling of mineral processing wastewater | |
| CN108483760B (en) | Advanced treatment method for heavy metal sewage | |
| CN106629971B (en) | Iron-based nano sewage treatment agent and application method thereof | |
| CN103387301B (en) | Deep purification method for urban sewage | |
| CN106430714B (en) | Method for advanced treatment of pesticide wastewater | |
| CN108358375B (en) | Industrial sewage treatment method | |
| CN113083216B (en) | Two-dimensional nickel-based composite metal oxide adsorbent, preparation method and application of adsorbent in removing phosphate radical | |
| Ahmad et al. | Treatment Methods for Lead Removal from Wastewater | |
| CN103990435A (en) | Tourmaline/graft modification sulfur-containing graphene oxide composite adsorption material and preparation method thereof | |
| CN106745367B (en) | Iron-based nano sewage treatment agent | |
| CN112551859A (en) | Flocculant for treating sludge based on double nano materials | |
| Manna et al. | Opportunities and Challenges in Heavy Metal Removal from Water | |
| CN106082549B (en) | The biophysics treatment process of electroplating wastewater | |
| KR101927288B1 (en) | Manufacturing method of surface modified activated carbon and the surface modified activated carbon manufacturing by the method | |
| CN104724880A (en) | Cosmetic wastewater deep treatment recycling method |
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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Jianhua Inventor after: Liu Feng Inventor after: Wang Diansheng Inventor before: Liu Feng Inventor before: Wang Diansheng Inventor before: Wu Jianhua |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |