CN102417222A - Inorganic coagulant-enteromorpha compound water treatment agent and preparation method thereof - Google Patents
Inorganic coagulant-enteromorpha compound water treatment agent and preparation method thereof Download PDFInfo
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- CN102417222A CN102417222A CN2011103168797A CN201110316879A CN102417222A CN 102417222 A CN102417222 A CN 102417222A CN 2011103168797 A CN2011103168797 A CN 2011103168797A CN 201110316879 A CN201110316879 A CN 201110316879A CN 102417222 A CN102417222 A CN 102417222A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 title abstract 2
- 241000196252 Ulva Species 0.000 claims abstract description 72
- 239000000701 coagulant Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 16
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 239000002131 composite material Substances 0.000 claims description 31
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- 229910052742 iron Inorganic materials 0.000 claims description 17
- 239000008367 deionised water Substances 0.000 claims description 14
- 229910021641 deionized water Inorganic materials 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 12
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical group [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 12
- 238000005345 coagulation Methods 0.000 claims description 11
- 230000015271 coagulation Effects 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- 238000002386 leaching Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000006228 supernatant Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- -1 metals ion Chemical class 0.000 claims description 5
- 238000004065 wastewater treatment Methods 0.000 claims description 5
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- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
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- 238000004064 recycling Methods 0.000 abstract 1
- 230000001112 coagulating effect Effects 0.000 description 12
- 239000005995 Aluminium silicate Substances 0.000 description 10
- 239000004021 humic acid Substances 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000012075 bio-oil Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- 238000003287 bathing Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
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- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
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- 241000195628 Chlorophyta Species 0.000 description 1
- 241001137251 Corvidae Species 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 241000196253 Ulva prolifera Species 0.000 description 1
- 241000196246 Ulvaceae Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
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- 238000003911 water pollution Methods 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to an inorganic coagulant-enteromorpha compound water treatment agent and a preparation method thereof. The method takes disaster green algae-enteromorpha as a raw material, adopts an extraction process to prepare the enteromorpha extracting solution, and sequentially adds the inorganic coagulant and the enteromorpha extracting solution at intervals of 30-50 seconds for use in the water treatment process. The invention integrates the advantages of high enteromorpha molecular weight, strong adsorption bridging capability to colloidal substances, wide optimal dosing range of inorganic coagulant, good flocculation effect and wide application range, and has the advantages of simple and convenient production process, economy and wide application range when being applied to the field of water treatment. Meanwhile, a new idea is provided for the recycling technology of the disaster green alga enteromorpha.
Description
Technical field
The present invention relates to composite water conditioner of inorganic coagulant-Enteromorpha and preparation method thereof, belong to environmental chemistry water conditioner technical field.
Background technology
Coagulation process is an indispensable preposition unit operation technology in feedwater and the numerous technical process of wastewater treatment, and the coagulating treatment effect is often determining operation condition, processing costs and the final outflow water water quality of flow.Serious day by day along with shortage of water resources and water pollution in recent years, quality and effect how to improve existing traditional coagulation process technology become the focus of studying in the water treatment field.The development of especially novel, efficient, safe, nontoxic coagulating agent can determine the progress of water technology, the overall operation expense and the purification of water quality quality of Sewage Plant to a great extent.
Inorganic coagulant mainly comprises aluminium system and ferric flocculant, and its applicating history is long, is widely used in the desliming processing of water purification processing and sewage etc.; It is strong to have the turbidity removal decoloring ability; To suspended substance removal rate advantages of higher, but low-molecular inorganic coagulating agent cost is higher, and corrodibility is bigger; Aluminium is that coagulating agent also exists toxicity problem, and is undesirable at some occasion purifying water effect.Compare with inorganic coagulant; Organic coagulating agent consumption is few, and treating processes is short, and the sludge quantity of generation is few; At home and abroad be widely used in the processing of waste water such as oil, printing and dyeing, papermaking; But it is expensive that it is worth, and most organic coagulating agent itself or its hydrolysis, degraded product are poisonous, and application receives certain restriction.Based on the complementarity between inorganic, organic coagulating agent action effect, the research of inorganic-organic coagulating agent becomes the focus of people's concern a few days ago.
Enteromorpha belongs to green algae, is a genus of Chlorophyta Ulvaceae, extensively is distributed in each ocean, the whole world; In recent years because Global climate change causes the green tide of Enteromorpha to break out again and again; A large amount of floating banks that gather of Enteromorpha block the fairway serious threat inshore fishery, tourism development.From over 2007, Qingdao, Weihai, sunshine, each sandy beach, bathing beach of coastal seashore all had Enteromorpha in various degree to occur.Government all wants the manpower and materials establishment officer and the Large-Scale Equipment of labor to clear up every year.In mid-June, 2008, a large amount of Enteromorphas drift to the surrounding waters, Qingdao from marine site, Huanghai Sea middle part, once once the 2008 Summer Olympics regatta sailing are threatened.Therefore explore the effective way of ocean green tide by product-Enteromorpha comprehensive utilization of resources, significant for environment, ecology, economic problems that solution ocean Enteromorpha disaster is brought.
At present be recycled documents and materials seldom for Enteromorpha; Report and can Enteromorpha be converted into bio-oil; CN101659874A (CN200910017836.1) discloses a kind of method of preparing biological oil by thermally cracking Enteromorpha prolifera, with Enteromorpha pulverize, dry, pulverize and be placed on cracking in the cracking reactor, split product is after overcooling; Condensability component in the pyrolysis gas, just bio oil gets into liquid phase; Reclaim gas and solid phase simultaneously respectively, cracking temperature is 500 ℃～600 ℃; Non-condensable gases in the said pyrolysis gas, a part are recovered to pyrolysis oven as secondary air, and another part is recovered to roasting kiln, as fuel.But about 1500 yuan/ton in the market as the bio oil price of low-grade fuel, and this bio oil through deep processing after marketable value thousands of units even the unit up to ten thousand of reaching per ton.Administer the income that Enteromorpha pollutes even bypass, after forming large-scale production, cost reduction, the technology that Enteromorpha is become bio oil expends financial resources equally.
Summary of the invention
In order to overcome the deficiency of existing coagulating agent technology, the present invention provides composite water conditioner of a kind of inorganic coagulant-Enteromorpha and preparation method thereof.
Technical scheme of the present invention is following:
The composite water conditioner of a kind of inorganic coagulant-Enteromorpha is made up of inorganic coagulant, enteromorpha extract, and wherein, said enteromorpha extract is to make by following method:
Enteromorpha is cleaned, oven dry, is pulverized, with deionized water with 1: the mass ratio of 70-75 mixes, and stirring and leaching 3-4h in 85-90 ℃ of water bath with thermostatic control with the vat liquor spinning, gets the deionized water that supernatant adds equal volume and dilutes, and promptly gets;
When water treatment, inorganic coagulant is added processing 30-50 second in the pending water, add enteromorpha extract again.
Optimize enteromorpha extract dosage 0.1-0.5mL/L water, the inorganic coagulant dosage is in the quality 1-12mg/L water of metals ion.
Preferred according to the present invention, said inorganic coagulant is iron(ic)chloride, Tai-Ace S 150 or polyaluminium sulfate.
Preferred according to the present invention, said enteromorpha extract, measuring density in the time of 20 ℃ is 1.15 ± 0.05Kg/m
3, Zeta potential is-40 ± 3mV, pH is the transparent thick liquid of the yellow-green colour of 6.73-6.86.
The preparation method of the composite water conditioner of a kind of inorganic coagulant-Enteromorpha, step is following:
(1) with the Enteromorpha is raw material, Enteromorpha is cleaned, after 65-70 ℃ of oven for drying, in the magnetic force kibbler, be ground into powder, cross 100 mesh sieves, get Enteromorpha dry powder.With Enteromorpha dry powder and deionized water with 1: the mass ratio of 70-75 mixes; Stirring and leaching 3-4h in 85-90 ℃ of water bath with thermostatic control; Solution after lixiviate speed with 4500-5000r/min in whizzer is separated 20-25min; Take out the deionized water dilution of supernatant adding equal volume, obtain enteromorpha extract, subsequent use;
(2) in the water treatment coagulation process, inorganic coagulant is added processing 30-50 second in the pending water, add enteromorpha extract 0.1-0.5m1/L water then, inorganic coagulant adds the quality 1-12mg/L water of dose in metals ion.
There is the poly-hydroxy complex ion in traditional inorganic coagulant; With the hydroxyl is to build bridge to form the multinuclear complex ion, and Enteromorpha is rich in multiple macromolecular substance such as glucide, protein, fat, robust fibre, and its active group blob is many; The structure variation; Safety non-toxic can be brought into play the good adsorption bridging action in coagulation process, thereby impels coacervation of colloid.The extracting solution of Enteromorpha is as water conditioner, composite with existing inorganic coagulant, and the processing with waste water of being applied to feed water can obtain good coagulating treatment effect.
The composite water conditioner of inorganic coagulant-Enteromorpha of the present invention is used; By inorganic coagulant, enteromorpha extract at interval the order of 30-50 second successively add in the pending water; Be used for the feedwater and the wastewater treatment of feedwater, wastewater treatment, particularly oil production, papermaking, mining, daily-use chemical industry.Dosage is a 0.1-0.5mL/L water by the enteromorpha extract dosage, and inorganic coagulant adds the quality 1-12mg/L water of dose in metals ion.
The present invention compared with prior art has following excellent results:
The invention belongs to inorganic in the water treatment field-organic complex water conditioner; Be that the Enteromorpha that breaks out with periodicity is a raw material; Adopt the method for water-bath lixiviate prepare extracting solution and with the composite use of traditional inorganic coagulant, this inorganic-the organic complex coagulating agent combines that the Enteromorpha molecular weight is high, product stability is good, the strong and best dispensing wide ranges of inorganic coagulant, ambilateral advantage applied widely to the adsorption bridging ability of colloidalmaterial.After enteromorpha extract and the composite use of inorganic coagulant, compare with inorganic coagulant with independent use enteromorpha extract, can significantly improve the treatment effect of traditional inorganic coagulant.
Characteristics such as the present invention has that production technique is simple and direct, economy, suitability are strong can simultaneously, also be handled for the Enteromorpha disaster of outburst regularly a new solution is provided adaptable across feedwater, wastewater treatment.
Embodiment
Below in conjunction with embodiment, application examples the present invention is further specified.
Embodiment 1:
Used Enteromorpha is taken from first bathing beach, Qingdao, and Enteromorpha is cleaned, and after 70 ℃ of oven for drying, in the magnetic force kibbler, is ground into powder, crosses 100 mesh sieves, gets the Enteromorpha dry sample.The Enteromorpha dry sample is mixed with the mass ratio of deionized water with 1: 75; Stirring and leaching 4h in 90 ℃ of waters bath with thermostatic control; Solution after the lixiviate in high-speed centrifuge with the speed spinning 20min of 5000r/min; After getting supernatant and adding the deionized water dilution of equal volume, be enteromorpha extract.
30 seconds priorities of inorganic coagulant Tai-Ace S 150 and Enteromorpha extract interval are added pending water sample carry out coagulating treatment, enteromorpha extract dosage 0.1ml/L water, inorganic coagulant add the quality 1-11mg/L water of dose in Al.
The composite water conditioner of the inorganic coagulant-Enteromorpha of the foregoing description 1 is used in the coagulating treatment process, and the experiment situation is following.
The experiment water sample:
Test used water sample and have two kinds: a kind of is humic acids-kaolin simulated water sample, and the preparation method of water sample is referring to Xu Xiuming etc.: the Alb form is removed the effect and the Mechanism Study of humic acid, Environmental Science and Engineering institute of Shandong University in the Poly aluminum Chloride (PAC); Environmental science, 2008,29 (11): 3064-3070: take by weighing the 1g humic acid; Be in harmonious proportion with small amount of deionized water, and add a certain amount of NaOH regulator solution pH, promote dissolving; Constant volume is mixed with 1gL to 1L behind the magnetic agitation 0.5h
-1The simulated water sample stock solution.Weigh 1g kaolin, add the appropriate amount of deionized water dissolving, pour into behind the magnetic agitation 0.5h in the graduated cylinder of 1L and be settled to 1L, leave standstill 0.5h after, draw 500 milliliters on upper strata and be the used kaolin suspension liquid of experiment.During coagulation experiment, be in harmonious proportion with tap water, being made into concentration is 10mgL
-1The humic acid simulated water sample, utilizing the kaolin suspension liquid to regulate raw water turbidity is 15.0 ± 0.50NTU, gets humic acids-kaolin simulated water sample.Testing used another water sample is to draw yellow reservoir water actual water sample, takes from Jinan City magpie China waterworks.
All use above-mentioned water sample at one of following application example in to four.
One of application example
The composite water conditioner of inorganic coagulant-Enteromorpha (Tai-Ace S 150-Enteromorpha) with embodiment 1 preparation; The coagulating treatment that is used for humic acids-kaolin simulated water sample (adds the quality of dose in aluminium; The enteromorpha extract dosage is a 0.1mL/L water), contrast with the Tai-Ace S 150 coagulating treatment simultaneously.The raw water quality situation is following: the pH value is 8.37-8.40, and turbidity is 15.1-15.4NTU, UV
254Be 0.287-0.298cm
-1, DOC is 4.948-5.116mg/L.Result is listed in table 1.
The effect of the composite processing humic acids of table 1 Tai-Ace S 150-Enteromorpha-kaolin simulated water sample
Visible from above result; The coagulation effect of the composite aftertreatment humic acids of Tai-Ace S 150 and enteromorpha extract-kaolin simulated water sample obviously is superior to the processing that the Tai-Ace S 150 coagulating agent is applied to water sample separately; As under the dosage of 9mg/L, the coagulation water outlet water sample after Tai-Ace S 150 and enteromorpha extract are composite, its residual turbidity is reduced to 0.71NTU; And Tai-Ace S 150 is 1.01NTU as the time spent separately, UV
254Acting on the time-division with the clearance of DOC separately than Tai-Ace S 150 you can well imagine high by 8%, 11%.
Embodiment 2:
Used Enteromorpha is taken from first bathing beach, Qingdao, and Enteromorpha is cleaned, and after 70 ℃ of oven for drying, in the magnetic force kibbler, is ground into powder, crosses 100 mesh sieves, gets the Enteromorpha dry sample.The Enteromorpha dry sample is mixed with the mass ratio of deionized water with 1: 70; Stirring and leaching 4h in 85 ℃ of waters bath with thermostatic control; Solution after the lixiviate in high-speed centrifuge with the speed spinning 20min of 4500r/min; After getting supernatant and adding the deionized water dilution of equal volume, be enteromorpha extract.
30 seconds priorities of inorganic coagulant iron(ic)chloride and enteromorpha extract interval are added pending water sample carry out coagulating treatment.
The composite water conditioner of the inorganic coagulant-Enteromorpha of the foregoing description 2 is used in the coagulating treatment process, and the experiment situation is following.Test used water sample as previously mentioned.
Two of application example:
With the composite water conditioner of inorganic coagulant-Enteromorpha (iron(ic)chloride-Enteromorpha) of preparation among the embodiment 2, be used for the coagulating treatment (add the quality of dose in iron, the Enteromorpha dosage is a 0.1mL/L water) of humic acids-kaolin simulated water sample, contrast with iron(ic)chloride simultaneously.The raw water quality situation is following: the pH value is 8.39-8.42, and turbidity is 15.1-15.3NTU, UV
254Be 0.275-0.302cm
-1, DOC is 4.039-4.463mg/L.Result is listed in table 2.
The effect of yellow reservoir water actual water sample is drawn in the composite processing of table 2 iron(ic)chloride-Enteromorpha
Visible from above result; Iron(ic)chloride is compared as the time spent separately with ferric chloride coagulant with the coagulation effect of the composite aftertreatment humic acids of enteromorpha extract-kaolin simulated water sample; No matter hanging down under the situation that dosage still is high dosage; Can both obviously improve coagulation effect, especially effect more obviously (when being 11mg/L like dosage, the removal effect of DOC has improved 13%) under high dosage; Therefore iron(ic)chloride is used for the consumption that coagulating treatment can reduce iron(ic)chloride with Enteromorpha after composite, and then reduces and invest running cost.
Three of application example:
The composite water conditioner of inorganic coagulant-Enteromorpha (Tai-Ace S 150-Enteromorpha) with preparation among the preparation embodiment one; Be used to draw the coagulating treatment of yellow reservoir water actual water sample; (add the quality of dose in aluminium, the Enteromorpha dosage is a 0.1mL/L water) acts on contrast separately with Tai-Ace S 150 simultaneously.The raw water quality situation is following: the pH value is 8.40-8.42, and turbidity is 4.39-4.61NTU, UV
254Be 0.033-0.038cm
-1, DOC is 3.688-3.787mg/L.Result is listed in table 3.
The effect of yellow reservoir water actual water sample is drawn in the composite processing of table 3 Tai-Ace S 150-Enteromorpha
Can know that from above result the composite aftertreatment of Tai-Ace S 150 and enteromorpha extract is drawn yellow reservoir water actual water sample and had effect preferably, for organism in the low turbidity water good clearance is arranged, and has improved about 25% than the Tai-Ace S 150 individual curing.
Four of application example:
With the composite water conditioner of inorganic coagulant-Enteromorpha (iron(ic)chloride-Enteromorpha) of preparation among the embodiment 2, be used to draw the coagulating treatment of yellow reservoir water actual water sample, (add the quality of dose in aluminium, the Enteromorpha dosage is a 0.1mL/L water) contrasts with iron(ic)chloride simultaneously.The raw water quality situation is following: the pH value is 8.40-8.42, and turbidity is 3.41-3.42NTU, UV
254Be 0.040-0.041cm
-1, DOC is 3.373-3.447mg/L.Result is listed in table 4.
The effect of yellow reservoir water actual water sample is drawn in the composite processing of table 4 iron(ic)chloride-Enteromorpha
Can know that from above result yellow reservoir water actual water sample is drawn in the composite aftertreatment of iron(ic)chloride and enteromorpha extract, hang down under the dosage for residual turbidity and UV
254Clearance and iron(ic)chloride when acting on separately difference little, but when high dosage, can obviously improve the coagulation effect of iron(ic)chloride.After iron(ic)chloride and enteromorpha extract are composite, in wider scope, can both the DOC clearance be improved about 60%, therefore can reduce the dosage of inorganic coagulant, in practical application, have great importance.
Claims (5)
1. the composite water conditioner of inorganic coagulant-Enteromorpha is made up of inorganic coagulant and enteromorpha extract, and wherein, said enteromorpha extract is to make by following method:
Enteromorpha is cleaned, oven dry, is pulverized, with deionized water with 1: the mass ratio of 70-75 mixes, and stirring and leaching 3-4h in 85-90 ℃ of water bath with thermostatic control with the vat liquor spinning, gets the deionized water that supernatant adds equal volume and dilutes, and promptly gets;
When water treatment, inorganic coagulant is added handle in the pending water 30-50 second earlier, add enteromorpha extract again.
2. the composite water conditioner of inorganic coagulant-Enteromorpha according to claim 1 is characterized in that said inorganic coagulant is Tai-Ace S 150, iron(ic)chloride or polyaluminium sulfate.
3. the composite water conditioner of inorganic coagulant-Enteromorpha according to claim 1 is characterized in that, measuring density during 20 ℃ of said enteromorpha extracts is 1.15 ± 0.05Kg/m
3, Zeta potential is-40 ± 3mV, pH is 6.73-6.86.
4. the preparation method of claim 1 or the composite water conditioner of 2 described inorganic coagulant-Enteromorphas, step is following:
(1) with the Enteromorpha is raw material, Enteromorpha is cleaned, after 65-70 ℃ of oven for drying, in the magnetic force kibbler, be ground into powder, cross 100 mesh sieves, get Enteromorpha dry powder.With Enteromorpha dry powder and deionized water with 1: the mass ratio of 70-75 mixes; Stirring and leaching 3-4h in 85-90 ℃ of water bath with thermostatic control; Solution after lixiviate speed with 4500-5000r/min in whizzer is separated 20-25min; Take out the deionized water dilution of supernatant adding equal volume, obtain enteromorpha extract; Subsequent use;
(2) in the water treatment coagulation process, inorganic coagulant is added processing 30-50 second in the pending water, add enteromorpha extract 0.1-0.5ml/L water then, inorganic coagulant adds the quality 1-12mg/L water of dose in metals ion.
5. the application of claim 1 or the composite water conditioner of 2 said inorganic coagulant-Enteromorphas is used for feedwater, the wastewater treatment of oil production, papermaking, mining, daily-use chemical industry; Wherein preferred, the dosage of enteromorpha extract is a 0.1-0.5mL/L water, and inorganic coagulant adds dose and counts 1-12mg/L water with the quality of metals ion.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058342A (en) * | 2012-12-28 | 2013-04-24 | 山东大学 | Polyacrylamide-enteromorpha dehydration flocculant and its preparation and use methods |
| CN104056607A (en) * | 2014-06-16 | 2014-09-24 | 李美凤 | Enteromorpha gel oil suction material and preparation method thereof |
| CN105692824A (en) * | 2016-01-21 | 2016-06-22 | 范永禧 | Flocculating agent and preparation method of flocculating agent |
| CN107029677A (en) * | 2017-05-31 | 2017-08-11 | 青岛海之星生物科技有限公司 | A kind for the treatment of agent for papermaking wastewater and preparation method thereof |
| CN109987690A (en) * | 2019-04-02 | 2019-07-09 | 江苏师范大学 | A kind of algal polysaccharides base composite water disposal agent and the preparation method and application thereof |
| CN110002562A (en) * | 2019-04-04 | 2019-07-12 | 江苏师范大学 | A kind of sea grass polysaccharide flocculation aid and the preparation method and application thereof |
| CN113845196A (en) * | 2021-11-11 | 2021-12-28 | 山东建筑大学 | Method for preparing flocculant from enteromorpha and applying flocculant to heavy metal wastewater treatment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058342A (en) * | 2012-12-28 | 2013-04-24 | 山东大学 | Polyacrylamide-enteromorpha dehydration flocculant and its preparation and use methods |
| CN103058342B (en) * | 2012-12-28 | 2014-05-14 | 山东大学 | Polyacrylamide-enteromorpha dehydration flocculant and its preparation and use methods |
| CN104056607A (en) * | 2014-06-16 | 2014-09-24 | 李美凤 | Enteromorpha gel oil suction material and preparation method thereof |
| CN105692824A (en) * | 2016-01-21 | 2016-06-22 | 范永禧 | Flocculating agent and preparation method of flocculating agent |
| CN107029677A (en) * | 2017-05-31 | 2017-08-11 | 青岛海之星生物科技有限公司 | A kind for the treatment of agent for papermaking wastewater and preparation method thereof |
| CN109987690A (en) * | 2019-04-02 | 2019-07-09 | 江苏师范大学 | A kind of algal polysaccharides base composite water disposal agent and the preparation method and application thereof |
| CN110002562A (en) * | 2019-04-04 | 2019-07-12 | 江苏师范大学 | A kind of sea grass polysaccharide flocculation aid and the preparation method and application thereof |
| CN113845196A (en) * | 2021-11-11 | 2021-12-28 | 山东建筑大学 | Method for preparing flocculant from enteromorpha and applying flocculant to heavy metal wastewater treatment |
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