CN106587305A - Euglena-killing water purifying agent and preparation method thereof - Google Patents
Euglena-killing water purifying agent and preparation method thereof Download PDFInfo
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- CN106587305A CN106587305A CN201611254833.6A CN201611254833A CN106587305A CN 106587305 A CN106587305 A CN 106587305A CN 201611254833 A CN201611254833 A CN 201611254833A CN 106587305 A CN106587305 A CN 106587305A
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- euglena
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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
- C02F1/28—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
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses an euglena-killing water purifying agent and a preparation method thereof. The euglena-killing water purifying agent is mainly prepared from SiO2, Al2 (SO4) 3 and Fe2(SO4) 3, wherein the mass content of SiO2 is 65-85%, and the mass content of Al2 (SO4) 3 and Fe2 (SO4) 3 is 20-25%. The euglena-killing agent combines chemical flocculation with physical absorption, has dual effects, can effectively remove a water body contaminated by euglena and other impurities, and has the advantages of being easy to process and use, low in cost, good in euglena-killing water purifying effect, practical and advanced.
Description
Technical field
The invention belongs to purification techniques field, and in particular to a kind of water body kills Euglena purification product and this product
Preparation method.
Background technology
With the fast development of China's economy, population constantly increases, and the contaminated situation in water source is on the rise.In earth's surface
In the case of the complicateds such as the eutrophication of water, inorganic matter, organic matter, the amount reproduction of Euglena causes water body to be contaminated, become
Smelly problem is very urgent.
After last century the nineties, many inland lakes of China, river, due to urban life blowdown, industrial wastewater discharge,
Cause the contaminated eutrophication of water quality, so Euglena breaks out greatly.It is especially prominent that Kunming Dianchi lake, Wuxi Taihu Lake, Anhui put down lake, has
The Drinking Water for even having badly influenced city dweller.For many years, domestic many scientific research departments are exploring always, are seeking
The road of one scientific and reasonable improvement.
The pollution control of water body in lake is a complex problem, it is necessary to considered, and to reach the target institute of radical cure
Input amount is big, time-consuming remote.In the selection of resolution, many scientific research departments bias toward physics and biological control,
And for chemical cleaning method, then take care always that after a kind of new chemical substance intervention water body secondary pollution can be brought, this problem
Annoying scientific worker always for many years.
The selection of resolution should in line with developing simultaneously in terms of scientific and practicality two, to the change of water quality before and after improvement and
Treatment cost aspect gives scientific and reasonable evaluation.
The content of the invention
It is an object of the invention to provide one kind is with chemical flocculation and physical absorption double effects, can effectively remove in water body
Euglena and other pollutants, the solid with diatomite as main component kills Euglena water purification agent.
Ground of the invention another object is to provide the preparation method that a kind of above-mentioned solid kills Euglena water purification agent.
The purpose of the present invention can be reached by following measures：
One kind kills Euglena water purification agent, and it is mainly by SiO2、Al2(SO4)3And Fe2(SO4)3Composition, wherein SiO2Mass content be
65～85%, preferably 65～80%, Al2(SO4)3And Fe2(SO4)3Mass content be 20～25%.
A kind of preparation method for killing Euglena water purification agent, by diatomite ore, roasting 1～10 is little at a temperature of 550～800 DEG C
When, the size-reduced screening of the material after roasting cooling obtains konilite, then konilite is mixed with dilute sulfuric acid, then cures
Store up 20～60 hours and obtain semi-finished product, semi-finished product drying and crushing is obtained to kill Euglena water purification agent.
Wherein, in diatomite ore, SiO2Mass content 50～70%, Al2O3>=8% (mass content), Fe2O3≤ 10%
(mass content), with Pu weight calculations tenor≤0.05% (mass content), organic matter is in 10% or so (preferably 5～15%).
Diatomite ore carries out roasting using the burning of organic matter, and roasting time is 1～10 hour, preferably 2～4 hours.Konilite
Store up with the mixed post curing of dilute sulfuric acid and obtain within 20～60 hours semi-finished product, preferably 40～55 hours；Free acid (SO in semi-finished product4 2-)
Content is not more than 0.5%.Semi-finished product drying below 5%, is crushed to granularity >=80 mesh to water content.The wherein consumption of dilute sulfuric acid
To make Al contained in konilite just2O3And Fe2O3React completely, its concentration is preferably 40～60%.
The present invention is that its chemical reaction is pressed using to carrying out acidification reaction with sulfuric acid after the fired milling of diatomite lump ore
(1) carry out with (2) formula, using Al contained in diatomite ore2O3And Fe2O3The salt that Jing sulphations are formed, makes product have wadding
Solidifying and adsorption dual function and play and kill the effect of Euglena water purification.Therefore the consumption of sulfuric acid is according to Al after diatomite ore roasting2O3With
Fe2O3Content accordingly adjusting, on the one hand its consumption needs to make Al2O3And Fe2O3Fully reaction is complete, on the other hand causes
Free acid (SO in water purification agent4 2-) content is not more than 0.5%.For the selection of dilute sulfuric acid concentration, mainly whether can according to dilute sulfuric acid
It is sufficiently humidified so as to konilite.
Al2O3+3H2SO4→Al2(SO4)3+3H2O (1)
Fe2O3+3H2SO4→Fe2(SO4)3+3H2O (2)
The purpose of the present invention specifically can be reached by following preferred measure：
The selection of diatomite quality, diatomaceous processing, the packaging of product.The selection of diatom should meet claimed below：With quality
Percentage composition meter SiO250～70%, Al2O3>=8%, Fe2O3≤ 10%, heavy metal≤0.05% (in terms of Pu), organic matter exist
10% or so (preferably 5～15%).Diatomaceous processing is made up of following technical process formula：Roasting, milling, sulphation, curing,
The sensing of drying, crushing, the conveying of material, temperature and concentration and regulation and control, dusty gas gathering dust and emptying.The packaging of product
It is made up of automatic packaging machine and electronic belt scale.
Qualified raw material is first selected, then using the burning of organic matter in shaft kiln 3, temperature control is at 550～800 DEG C.
Make organic matter, carbonate decomposition, the kaolinite in activated diatomaceous earth ore deposit, the ore after roasting is by shaft kiln bottom Jing after air cooling
Discharge.Material after roasting cooling delivers to Vertical Mill 5 by skin fortune machine 4, and the powder Jing after rolling and crush by air exhauster 18, deliver to by wind
The powder selector in portion.Quartz, feldspar, irony ore deposit hardness are bigger than normal in powder selector, it is difficult to which levigate therefore particle is more slightly blocked removing, silicon
Diatomaceous earth is purified.Diatomite Jing bagroom gas solid separations after purification, konilite is determined material by spiral shell fortune machine 7
Amount feed, in agitated kettle 8 material and 40～60% (mass concentrations) dilute sulfuric acid reaction, sulfuric acid concentration be by densimeter with
Display instrument is controlled.The material being well mixed with sulfuric acid is delivered to curing heap 10 and is stored up by skin fortune machine 9, after curing was stored up Jing 48 hours
Semi-finished product are in free acid (SO4 2-) content is down to 0.5% (mass content) below for qualified.Semi-product material Jing bucket elevator 11 is given
Material, roller drier 12 is dried to be made aqueous to be down to less than 5%.Dried material enters Raymond mill, is crushed to the mesh of granularity 80 i.e.
.
Due to diatomite ore complicated, remove and also contain outside Main Ingredients and Appearance other micro constitutents, therefore finally obtain
Euglena water purification agent is killed not merely individually by SiO2、Al2(SO4)3And Fe2(SO4)3Constituted.
The product quality and environment protection treating of the present invention guarantees by following methods：
(1) sintering temperature of shaft kiln is most important, and it is to measure kiln temperature value by temperature probe and relevant temperature display instrument,
Again kiln temperature is regulated and controled by the size of shaft kiln bottom air inlet unlatching.
(2) aluminum sulfate, the content of ferrous sulfate of flocculation are played in Euglena water purification agent is killed, is by selection raw material
Original Al2O3And Fe2O3Content and acidization in Al2O3、Fe2O3And H2SO4Mol ratio and the temperature of chemical reaction enter
Row control, aluminum sulfate and ferrous sulfate total amount are 20～25% (percentage by weights) in finished product.
(3) silica (SiO in product2) content be 65～85%, be the material of crushing by milling process
Under the effect of blower fan pump power, ascending air regulates and controls with the baffle angle of powder selector, large granular materials in air-flow is touched with grain plate
Hit and lose movement velocity and be removed.The material that particle is big, hardness is hard is usually the impurity such as quartz, feldspar, irony ore deposit, therefore diatom
Soil is purified.
(4) environmental protection is realized in the production process of product.Industrial wastewater is not produced in production process；Silicon
In shaft kiln roasting, its burning is, by itself contained organic substance, to generate in tail gas and mainly contain carbon dioxide, a small amount of oxygen to diatomaceous earth
Change carbon.Due to being lump ore roasting, dust-laden is extremely low in tail gas；It is by sack cleaner to be dried with the dust produced by milling process
Gather dust；The fine grained slag of the 1mm or so that powder selector is removed, its Main Ingredients and Appearance is that quartz, feldspar, irony ore deposit can do construction material and make
With.
The present invention kill Euglena agent combined with chemical flocculation and physical absorption, with double effects, can effectively remove
By Euglena and the water body of other impurity pollutions.
In Euglena purification process is killed, because diatomite has big specific surface area, high absorption capacity, chemical stability strong
Feature, can remove 0.1～1.0 μm of particle and bacterium.In addition the flocculation of aluminum sulfate and ferrous sulfate, therefore can effectively eradicate
Euglena, and to the pollutant in water body：Colourity, total suspended matter, COD, BOD, cyanide, full nitrogen, full phosphorus, pb2+、As3+、Cd2+、
F-Can preferably remove Deng nuisance, up to the purpose of pollution control.
Originally kill Euglena water purification agent also have simple processing, easily uses, low cost, to kill Euglena good purification, practicality advanced
Advantage.For the earth's surface waters of contaminated eutrophication, the such as water body of lake, pond, rivers, using this product ten thousand/
The impurity that four～six (preferably using 5/10000ths, i.e., per 500 grams of cubic meter of water) can be effectively removed in Euglena and water body, reaches
The effect of purifying water body.
Specific embodiment
Embodiment 1
By qualified diatomite ore raw material (SiO2Content 50～70%, Al2O3Content >=8%, Fe2O3≤ 10%, with Pu weight calculations
Tenor≤0.05%, the content of organic matter 7～15%) send in shaft kiln 3, using the burning of organic matter, temperature control exists
750～800 DEG C.Make organic matter, carbonate decomposition, the kaolinite in activated diatomaceous earth ore deposit, the ore after roasting 3 hours is by shaft kiln
Discharge Jing after air cooling bottom.Roasting cooling after material by skin fortune machine 4 deliver to Vertical Mill 5, Jing roll crush after powder by
Air exhauster 18, wind delivers to the powder selector on top.Quartz, feldspar, irony ore deposit hardness are bigger than normal in powder selector, it is difficult to levigate therefore particle
Removing is more slightly blocked, diatomite is purified.Diatomite Jing bagroom gas solid separations after purification, konilite by
One spiral shell fortune machine 7 is fed material dosing, and (its consumption is to make powdery for material and the reaction of 40～60% dilute sulfuric acid in agitated kettle 8
Al in diatomite2O3And Fe2O3React completely), sulfuric acid concentration is controlled by densimeter and display instrument.It is well mixed with sulfuric acid
Material is delivered to curing heap 10 and is stored up by skin fortune machine 9, and the semi-finished product after curing were stored up Jing 40 hours in free acid (SO4 2-) content drop
It is qualified to less than 0.5%.
Semi-product material Jing bucket elevator 11 is fed, and roller drier 12 is dried to be made aqueous to be down to less than 5%.Dried thing
Material enters Raymond mill, is crushed to the mesh of granularity 80.Packed to automatic packaging machine 16 by conveying worm.Product after testing, SiO2Matter
Amount content 76.1%, Al2(SO4)3And Fe2(SO4)3Mass content 21.3%, moisture content 2%, the mesh of granularity 80, dissociate SiO4 2-
0.4%.
Embodiment 2
By another kind of qualified diatomite ore raw material (SiO2Content 50～70%, Al2O3Content >=8%, Fe2O3≤ 10%, with
Pu counts weight tenor≤0.05%, the content of organic matter 5～15%) send in shaft kiln 3, using the burning of organic matter, temperature control
System is at 600～650 DEG C.Make organic matter, carbonate decomposition, the kaolinite in activated diatomaceous earth ore deposit, the ore after roasting 2 hours by
Discharge Jing after air cooling shaft kiln bottom.Material after roasting cooling delivers to Vertical Mill 5 by skin fortune machine 4, the powder Jing after rolling and crush
By air exhauster 18, wind delivers to the powder selector on top to material.Quartz, feldspar, irony ore deposit hardness are bigger than normal in powder selector, it is difficult to levigate event
Particle is more slightly blocked removing, and diatomite is purified.Diatomite Jing bagroom gas solid separations after purification, powdery diatom
Soil is fed material dosing by spiral shell fortune machine 7, and (its consumption is to make for dilute sulfuric acid reaction of the material with 40～60% in agitated kettle 8
Al in konilite2O3And Fe2O3React completely), sulfuric acid concentration is controlled by densimeter and display instrument.Mix with sulfuric acid
Even material is delivered to curing heap 10 and is stored up by skin fortune machine 9, and the semi-finished product after curing were stored up Jing 48 hours in free acid (SO4 2-) contain
It is qualified that amount is down to less than 0.5%.
Semi-product material Jing bucket elevator 11 is fed, and roller drier 12 is dried to be made aqueous to be down to less than 5%.Dried thing
Material enters Raymond mill, is crushed to the mesh of granularity 60.Packed to automatic packaging machine 16 by conveying worm.Product after testing, SiO2Matter
Amount content 69.9%, Al2(SO4)3And Fe2(SO4)3Mass content 25.4%, moisture content 4%, the mesh of granularity 80, dissociate SiO4 2-
0.4%.
Claims (7)
1. one kind kills Euglena water purification agent, it is characterised in that it is mainly by SiO2、Al2(SO4)3And Fe2(SO4)3Composition, wherein SiO2
Mass content be 65～85%, Al2(SO4)3And Fe2(SO4)3Mass content be 20～25%.
2. the preparation method for killing Euglena water purification agent described in a kind of claim 1, it is characterised in that by diatomite ore 550～
Roasting at a temperature of 800 DEG C, the size-reduced screening of the material after roasting cooling obtains konilite, by konilite and dilute sulphur
Acid mixing, then cure to store up and obtain semi-finished product, semi-finished product drying and crushing is obtained to kill Euglena water purification agent.
3. preparation method according to claim 2, it is characterised in that in described diatomite ore, SiO2Mass content 50～
70%, Al2O3>=8%, Fe2O3≤ 10%, tenor≤0.05%, organic matter 5～15% are counted weight with Pu.
4. preparation method according to claim 2, it is characterised in that diatomite ore carries out roasting using the burning of organic matter,
Roasting time is 1～10 hour.
5. preparation method according to claim 2, it is characterised in that konilite stores up 20 with the mixed post curing of dilute sulfuric acid
Obtain semi-finished product within～60 hours.
6. the preparation method according to claim 2 or 5, it is characterised in that free acid content is not more than in described semi-finished product
0.5%.
7. preparation method according to claim 2, it is characterised in that semi-finished product drying is contained in less than 5% to aqueous, crushes
To granularity >=80 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254833.6A CN106587305A (en) | 2016-12-30 | 2016-12-30 | Euglena-killing water purifying agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254833.6A CN106587305A (en) | 2016-12-30 | 2016-12-30 | Euglena-killing water purifying agent and preparation method thereof |
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| CN106587305A true CN106587305A (en) | 2017-04-26 |
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| CN201611254833.6A Pending CN106587305A (en) | 2016-12-30 | 2016-12-30 | Euglena-killing water purifying agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101170A (en) * | 2017-12-26 | 2018-06-01 | 深圳地天国际生物工程科技有限公司 | A kind of water purification pulvis and its preparation process for being used to kill Euglena |
-
2016
- 2016-12-30 CN CN201611254833.6A patent/CN106587305A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101170A (en) * | 2017-12-26 | 2018-06-01 | 深圳地天国际生物工程科技有限公司 | A kind of water purification pulvis and its preparation process for being used to kill Euglena |
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Application publication date: 20170426 |
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