CN109179613A - A kind of production method of new flocculant product - Google Patents
A kind of production method of new flocculant product Download PDFInfo
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- CN109179613A CN109179613A CN201811328411.8A CN201811328411A CN109179613A CN 109179613 A CN109179613 A CN 109179613A CN 201811328411 A CN201811328411 A CN 201811328411A CN 109179613 A CN109179613 A CN 109179613A
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- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of production method methods of new flocculant product, are related to flocculant technical field of waste water processing.The present invention mainly consist of the following components: ferrous sulfate 3-7 parts by weight, aluminium oxide 3-7 parts by weight, sodium chlorate 0.5-2 parts by weight, sulfuric acid 5-9 parts by weight, modified magnetic powder 15-25 parts by weight.The present invention under comparatively moist environment by directly reacting flocculant in solid form, generate solid form flocculant, it does not need to be dried to this step of solid by liquid during production, to largely reduce costs, and flocculating effect and such product available on the market are essentially identical, this product has broken conventional and has developed flocculant needs in a manner of liquid, opens a kind of completely new mode, and price is cheaper, has better prospect.
Description
Technical field
The invention belongs to flocculant technical field of waste water processing, more particularly to a kind of production side of new flocculant product
Method.
Background technique
One of effect of flocculant is that the particle aggregation that will be suspended in solution forms coarse flock, so as to from solution
In separate.Thus it is widely used in terms of water process.The ingredient of flocculant all has certain in flocculation process
Contribution, how effectively to avoid adverse effect using favourable effect, while largely reducing cost again, it is comprehensive to obtain
Effect is closed, is the key that research and develop new flocculant at present.
Current market sales of flocculant is essentially all first to react in fluid form, is then passing through drying
It develops.Liquid drying becomes to need biggish electric energy during solid, to increase the production cost of flocculant.
Summary of the invention
The purpose of the present invention is to provide a kind of production methods of new flocculant product, by flocculant directly with solid
Form reacts under comparatively moist environment, generates solid form flocculant, does not need during production by liquid
Body is dried to this step of solid, to largely reduce costs.And flocculating effect and such product available on the market
It is essentially identical.This product has broken conventional and has developed flocculant needs in a manner of liquid, opens a kind of completely new mode,
And price is cheaper.
The present invention is achieved by the following technical solutions:
The present invention is a kind of production method of new flocculant product, the flocculant mainly consist of the following components:
Ferrous sulfate 3-7 parts by weight,
Aluminium oxide 3-7 parts by weight,
Sodium chlorate 0.5-2 parts by weight,
Sulfuric acid 5-9 parts by weight,
Modified magnetic powder 15-25 parts by weight.
Further, the flocculant mainly consist of the following components:
5 parts by weight of ferrous sulfate,
5 parts by weight of aluminium oxide,
1 parts by weight of sodium chlorate,
7 parts by weight of sulfuric acid,
Modified 20 parts by weight of magnetic powder.
Further, the modified magnetic powder is cobalt improved Y-Fe2O3Magnetic powder, the preparation method of the modified magnetic powder are by cobalt
Ion coated forms very thin ferro-cobalt oxidation film in particle exterior, to make Y-Fe2O3Magnetic property is significantly improved and enhanced.
Further, the preparation method of the ferrous sulfate is to be dissolved in iron filings in the mixed liquor of dilute sulfuric acid and mother liquor,
Reaction temperature control at 80 DEG C hereinafter, the clarified removing impurity of subacidity ferrous sulfate solution that reaction generates, it is then cooling, from
The heart separates up to ferrous sulfate.
Further, the aluminium oxide and sodium chlorate are powder structure.
Further, the sulfuric acid refers to that concentration is 98% industrial sulphuric acid.
Further, the preparation method of the flocculant includes the following steps:
Step 1: sequentially adding the ferrous sulfate of 5 parts by weight, the aluminium oxide of 5 parts by weight, 1 parts by weight in a kettle
Sodium chlorate, turn on agitator is stirred 15-20 minutes at normal temperature；
Step 2: the modification magnetic powder of 20 mass parts is added in a kettle, then 7 parts by weight are injected from reaction kettle inlet
Sulfuric acid；
Step 3: being passed through temperature from reaction kettle air inlet is 100 DEG C of -120 DEG C of saturation moist steams, turn on agitator stirring is mixed
It closes 30-40 minutes；
Step 4: obtaining flocculant finished product for centrifugal filtration is carried out after reaction product cooling in step 3.
The invention has the following advantages:
The present invention is generated by the way that flocculant directly reacts under comparatively moist environment in solid form
Solid form flocculant does not need to be dried to this step of solid by liquid during production, to largely reduce
Cost, and flocculating effect and such product available on the market are essentially identical, this product has broken conventional and has developed flocculant
It needs in a manner of liquid, opens a kind of completely new mode, and price is cheaper, has better prospect.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Embodiment one
Step 1: sequentially adding the ferrous sulfate of 4 parts by weight, the aluminium oxide of 6 parts by weight, 2 parts by weight in a kettle
Sodium chlorate, turn on agitator is stirred 15-20 minutes at normal temperature；
Step 2: the modification magnetic powder of 22 mass parts is added in a kettle, then 7 parts by weight are injected from reaction kettle inlet
Sulfuric acid；
Step 3: being passed through temperature from reaction kettle air inlet is 100 DEG C of -120 DEG C of saturation moist steams, turn on agitator stirring is mixed
It closes 30-40 minutes；
Step 4: obtaining flocculant finished product for centrifugal filtration is carried out after reaction product cooling in step 3.
Embodiment two
Step 1: sequentially adding the ferrous sulfate of 5 parts by weight, the aluminium oxide of 5 parts by weight, 1 parts by weight in a kettle
Sodium chlorate, turn on agitator is stirred 15-20 minutes at normal temperature；
Step 2: the modification magnetic powder of 20 mass parts is added in a kettle, then 7 parts by weight are injected from reaction kettle inlet
Sulfuric acid；
Step 3: being passed through temperature from reaction kettle air inlet is 100 DEG C of -120 DEG C of saturation moist steams, turn on agitator stirring is mixed
It closes 30-40 minutes；
Step 4: obtaining flocculant finished product for centrifugal filtration is carried out after reaction product cooling in step 3.
Embodiment three
Step 1: sequentially adding the ferrous sulfate of 6 parts by weight, the aluminium oxide of 6 parts by weight, 2 parts by weight in a kettle
Sodium chlorate, turn on agitator is stirred 15-20 minutes at normal temperature；
Step 2: the modification magnetic powder of 18 mass parts is added in a kettle, then 7 parts by weight are injected from reaction kettle inlet
Sulfuric acid；
Step 3: being passed through temperature from reaction kettle air inlet is 100 DEG C of -120 DEG C of saturation moist steams, turn on agitator stirring is mixed
It closes 30-40 minutes；
Step 4: obtaining flocculant finished product for centrifugal filtration is carried out after reaction product cooling in step 3.
Comparative example one
From buying to obtain flocculant product bodied ferric sulfate (SPFS) on the market.
Comparative example two
From buying to obtain flocculant product aluminium polychloride (PAC) on the market.
Comparative example three
From buying to obtain flocculant product poly-ferric chloride on the market.
Experimental comparison
Experimental subjects is pond sewage, takes seven groups of sewage samples, every group of 1000ml, then from embodiment one,
Embodiment two, embodiment three, comparative example one, comparative example two and comparative example three flocculant in respectively take 0.1g, take and appoint
It anticipates the 0.1g flocculant being separately added into six groups of group sewage samples in a kind of embodiment or comparative example, one group of sewage sample is stayed to be not added
Flocculant, and seven groups of samples are marked, 10 minutes all are stood, every group of sample supernatant is taken to be checked that inspection result is such as
Shown in following table:
| Sample | COD | Total nitrogen | Total phosphorus | Ammonia nitrogen | Unit |
| Former pond water | 141 | 9.1 | 0.32 | 2.89 | mg/L |
| Former pond water+embodiment one | 95 | 7.1 | 0.13 | 1.51 | mg/L |
| Former pond water+embodiment two | 97 | 6.1 | 0.15 | 1.54 | mg/L |
| Former pond water+embodiment three | 98 | 6.4 | 0.12 | 1.53 | mg/L |
| Former pond water+comparative example one | 102 | 6.4 | 0.14 | 1.68 | mg/L |
| Former pond water+comparative example two | 99 | 7.8 | 0.15 | 1.72 | mg/L |
| Former pond water+comparative example three | 105 | 7.6 | 0.13 | 1.65 | mg/L |
Analysis is compared according to experimental result in table, it can be deduced that, flocculant product obtained by manufacture craft of the present invention and market
The flocculant of upper sale compares, and present invention removal COD, total nitrogen, total phosphorus, the effect of ammonia nitrogen are relatively better, and this hair
Bright flocculant is to react under comparatively moist environment in solid form, and the new product after reaction is also solid shape
Formula, and the flocculant bought on traditional market is substantially and reacts under liquid environment, dries liquid by heating
Become solid, increases the production cost of medicament in this way, therefore not only wastewater treatment efficiency is relatively preferable for flocculant of the present invention, and
With better economic benefit and application prospect.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of production method of new flocculant product, which is characterized in that the flocculant mainly consist of the following components:
Ferrous sulfate 3-7 parts by weight,
Aluminium oxide 3-7 parts by weight,
Sodium chlorate 0.5-2 parts by weight,
Sulfuric acid 5-9 parts by weight,
Modified magnetic powder 15-25 parts by weight.
2. the production method of the new flocculant product of one kind according to claim 1, which is characterized in that the flocculant master
Want composed of the following components:
5 parts by weight of ferrous sulfate,
5 parts by weight of aluminium oxide,
1 parts by weight of sodium chlorate,
7 parts by weight of sulfuric acid,
Modified 20 parts by weight of magnetic powder.
3. the production method of the new flocculant product of one kind according to claim 1, which is characterized in that the modified magnetic powder
For cobalt improved Y-Fe2O3Magnetic powder, the preparation method of the modified magnetic powder are that cobalt ions is coated on Y-Fe2O3Particle exterior is formed
Very thin ferro-cobalt oxidation film.
4. the production method of the new flocculant product of one kind according to claim 1, which is characterized in that the ferrous sulfate
Preparation method be iron filings are dissolved in the mixed liquor of dilute sulfuric acid and mother liquor, reaction temperature control at 80 DEG C hereinafter, reaction life
At the clarified removing impurity of subacidity ferrous sulfate solution, it is then cooling, be centrifugated up to ferrous sulfate.
5. the production method of the new flocculant product of one kind according to claim 1, which is characterized in that the aluminium oxide and
Sodium chlorate is powder structure.
6. the production method of the new flocculant product of one kind according to claim 1, which is characterized in that the sulfuric acid refers to
The industrial sulphuric acid that concentration is 98%.
7. the production method of the new flocculant product of one kind described in -6 any one according to claim 1, which is characterized in that institute
The preparation method for stating flocculant includes the following steps:
Step 1: sequentially add in a kettle the ferrous sulfate of 5 parts by weight, the aluminium oxide of 5 parts by weight, 1 parts by weight chloric acid
Sodium, turn on agitator is stirred 15-20 minutes at normal temperature；
Step 2: the modification magnetic powder of 20 mass parts is added in a kettle, then the sulphur of 7 parts by weight is injected from reaction kettle inlet
Acid；
Step 3: being passed through temperature from reaction kettle air inlet is 100 DEG C of -120 DEG C of saturation moist steams, turn on agitator is stirred
30-40 minutes；
Step 4: obtaining flocculant finished product for centrifugal filtration is carried out after reaction product cooling in step 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811328411.8A CN109179613A (en) | 2018-11-09 | 2018-11-09 | A kind of production method of new flocculant product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811328411.8A CN109179613A (en) | 2018-11-09 | 2018-11-09 | A kind of production method of new flocculant product |
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| CN109179613A true CN109179613A (en) | 2019-01-11 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10273326A (en) * | 1997-03-28 | 1998-10-13 | Nittetsu Mining Co Ltd | Production of ferrous sulfate or iron polysulfate having high purity from waste hydrochloric acid containing ferrous compound |
| CN1385373A (en) * | 2001-05-15 | 2002-12-18 | 中国科学院南京土壤研究所 | Coagulant for sewage treatment |
| CN1778702A (en) * | 2005-10-10 | 2006-05-31 | 赵青海 | Composite sewage agent, its production and use thereof |
| CN101597102A (en) * | 2009-06-11 | 2009-12-09 | 浙江省环境保护科学设计研究院 | A kind of preparation method who is used for the magnetic flocculant of magnetic separation method water processing technique |
| CN104973669A (en) * | 2015-06-10 | 2015-10-14 | 天津大港油田滨港集团博弘石油化工有限公司 | Preparation method of organically modified polymeric aluminum ferric sulfate flocculant |
-
2018
- 2018-11-09 CN CN201811328411.8A patent/CN109179613A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10273326A (en) * | 1997-03-28 | 1998-10-13 | Nittetsu Mining Co Ltd | Production of ferrous sulfate or iron polysulfate having high purity from waste hydrochloric acid containing ferrous compound |
| CN1385373A (en) * | 2001-05-15 | 2002-12-18 | 中国科学院南京土壤研究所 | Coagulant for sewage treatment |
| CN1778702A (en) * | 2005-10-10 | 2006-05-31 | 赵青海 | Composite sewage agent, its production and use thereof |
| CN101597102A (en) * | 2009-06-11 | 2009-12-09 | 浙江省环境保护科学设计研究院 | A kind of preparation method who is used for the magnetic flocculant of magnetic separation method water processing technique |
| CN104973669A (en) * | 2015-06-10 | 2015-10-14 | 天津大港油田滨港集团博弘石油化工有限公司 | Preparation method of organically modified polymeric aluminum ferric sulfate flocculant |
Non-Patent Citations (2)
| Title |
|---|
| 段云霞: "《城市黑臭水体治理实用技术及案例分析》", 31 March 2018, 天津大学出版社 * |
| 韩长日等: "《精细无机化学品制造技术》", 31 August 2008, 北京：科技文献出版社 * |
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Application publication date: 20190111 |