CN103864190A - Multifunctional water purifier and preparation method thereof - Google Patents
Multifunctional water purifier and preparation method thereof Download PDFInfo
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- CN103864190A CN103864190A CN201410115791.2A CN201410115791A CN103864190A CN 103864190 A CN103864190 A CN 103864190A CN 201410115791 A CN201410115791 A CN 201410115791A CN 103864190 A CN103864190 A CN 103864190A
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Abstract
The invention relates to a multifunctional water purifier and a preparation method thereof. The purifier comprises a metal salt water solution and a gel aqueous solution, wherein the volume ratio of the metal salt water solution to the gel aqueous solution is (1-3):1; the metal salt water solution is any combination of more than two of a ferric salt water solution, an aluminum salt water solution, a magnesium salt water solution and a calcium salt water solution; the gel aqueous solution is one of a gelatin water solution, an agar water solution and an xanthan gum water solution. The gelatinization properties of the metal salt and the gel are combined, so that the multifunctional water purifier not only has an efficient removal effect on pollutants such as chemical oxygen demand (COD), total protein (TP), NH3<->N and the like caused by the metal salt, but also has the advantages of gelling property, plasticity, loose porosity, biodegradability and the like of the gelling agent, simultaneously has the characteristics of being wide in application range, convenient to transport, easy to separate, high in utilization rate, free of harm to environment and the like, and can be repeatedly utilized.
Description
Technical field
The invention belongs to water and pollute processing technology field, specifically relate to a kind of multifunctional water quality purifying agent and preparation method thereof.
Background technology
China's water pollution problems is serious, and sewage, wastewater discharge are about 1 × 10 every day
8m
3more than.The whole nation at present existing 82% rivers and lakes is subject to pollution in various degree, annual because water pollutes the financial loss causing up to 37,700,000,000 yuan.Water pollution source is in trade effluent, sanitary sewage, pollution of area source etc.Due to diversity and the uncertainty of water pollution source, cause water to be heavily polluted, COD, TP, NH
3the indexs such as-N are all considerably beyond the emission standard of national regulation.Water quality cleansing agent has the advantages such as reaction is quick, effect stability.On current Environmental Protection Market, more commonly for the remover of Single Pollution thing, as dephosphorization agent, organic matter removal agent, ammonia nitrogen removal agent etc., its function ratio is more single, generally can not effectively remove COD, TP, the NH of waste water simultaneously
3the pollutents such as-N.
Chemical precipitation method is a kind of important wastewater processing technology, and more conventional chemical precipitation agent has the metal-salts such as molysite, aluminium salt, calcium salt, magnesium salts, COD, TP to waste water, NH
3-N etc. have good removal effect, have the advantages such as removal efficiency is high, technique is simple, easy to operate, reliable.But the shortcoming such as traditional metal salts as precipitator exists that sedimentation speed is slow, solid-liquid separation is poor, moisture percentage in sewage sludge is high, processed is complicated and resource recycling is difficult.
Agar, gelatin, xanthan gum have gelling, stability, loose porous property, can form with some materials the physicochemical property such as complex compounds, have a wide range of applications aspect many at foodstuffs industry, medicine industry, daily-use chemical industry, biotechnology etc.
Summary of the invention
The deficiency existing in order to overcome prior art, the invention provides a kind of gelating property by metal-salt and jelling agent and unites two into one, and can effectively remove COD, TP, the NH of waste water simultaneously
3multifunctional water quality purifying agent of the pollutents such as-N and preparation method thereof.
A kind of multifunctional water quality purifying agent, described scavenging agent comprises aqueous metal salt and the gelifying agent aqueous solution, the volume ratio of described aqueous metal salt and the gelifying agent aqueous solution is 1～3:1, described aqueous metal salt is the two or more arbitrary combination in molysite aqueous solution, aluminum saline solution, magnesium salt solution, calcium saline solution, and the described jelling agent aqueous solution is the one in aqueous gelatin solution, aqueous agar solution, xanthan gum solution.
Preferably, described molysite is the one in ferric sulfate, iron(ic) chloride, ferrous sulfate, bodied ferric sulfate, poly-ferric chloride.
Preferably, described aluminium salt is the one in aluminum chloride, aluminum oxide, Tai-Ace S 150, polymerize aluminum chloride, polyaluminium sulfate.
Preferably, described magnesium salts is the one in magnesium chloride, magnesium hydroxide, magnesium oxide, magnesium sulfate.
Preferably, described calcium salt is the one in calcium chloride, calcium oxide, calcium hydroxide, calcium sulfate.
Preferably, described aqueous metal salt is the combination of molysite aqueous solution, aluminum saline solution and calcium saline solution, and the volume ratio of described molysite aqueous solution, aluminum saline solution, calcium saline solution, aqueous agar solution is 1:1.5:0.5:2.5.
A preparation method for multifunctional water quality purifying agent, comprises the steps:
(1) 10～60g metal-salt is placed in respectively to 100mL water, is constantly stirred to completely and dissolves, obtain corresponding aqueous metal salt, for subsequent use; Wherein, described aqueous metal salt is the two or more arbitrary combination in molysite aqueous solution, aluminum saline solution, magnesium salt solution, calcium saline solution;
(2) 2.5～8.5g jelling agent is placed in to 100mL water, heating for dissolving, and maintain solution state, and obtain the jelling agent aqueous solution, for subsequent use; Wherein, the described jelling agent aqueous solution is the one in aqueous gelatin solution, aqueous agar solution, xanthan gum solution;
(3) aqueous metal salt step (1), (2) being obtained and the jelling agent aqueous solution by volume 1～3:1 mix while hot, with 60～120rpm stirring, 10～15min, fully mix;
(4) mixing solutions is left standstill under 20～25 DEG C of conditions to solidifying, make multifunctional water quality purifying agent.
Preferably, the preparation method of described multifunctional water quality purifying agent, comprises the steps:
(1) 30g iron(ic) chloride, 30g Tai-Ace S 150,30g calcium chloride, 30g magnesium oxide are placed in respectively to 100mL water, are constantly stirred to completely and dissolve, obtain the corresponding aqueous solution, for subsequent use;
(2) 5.5g agar is placed in to 100mL water, heating for dissolving, and maintain solution state, and obtain the jelling agent aqueous solution, for subsequent use;
(3) ferric chloride in aqueous solution, aluminum sulfate aqueous solution, calcium chloride water, magnesium oxide aqueous solution, aqueous agar solution are mixed while hot with volume ratio 1:1:1:1:4, stir 12min with 100rpm, fully mix;
(4) mixing solutions is left standstill under 25 DEG C of conditions to solidifying, make multifunctional water quality purifying agent.
Preferably, the preparation method of described multifunctional water quality purifying agent, comprises the steps:
(1) 40g ferric sulfate, 20g polymerize aluminum chloride, 10g magnesium chloride are placed in respectively to 100mL water, are constantly stirred to completely and dissolve, obtain the corresponding aqueous solution, for subsequent use;
(2) 6.0g gelatin is placed in to 100mL water, heating for dissolving, and maintain solution state, and obtain the jelling agent aqueous solution, for subsequent use;
(3) ferric sulfate aqueous solution, the polymerize aluminum chloride aqueous solution, magnesium chloride brine, aqueous gelatin solution are mixed while hot with volume ratio 1:1:1:3, stir 12min with 100rpm, fully mix;
(4) mixing solutions is left standstill under 20 DEG C of conditions to solidifying, make multifunctional water quality purifying agent.
Jelling agent of the present invention has following advantage:
(1) have gelling, plasticity-, before and after processing, keep solid state, be convenient to transport, easily separate, and can reuse, utilization ratio is high;
(2) have loose porous property, taking jelling agent as carrier, can form high density in inside and effectively precipitate salt, removal efficiency is high;
(3) can be made into bulk, particulate state, pie etc., applied widely;
(4) biodegradable, environmental sound, non-secondary pollution.
The present invention unites two into one the gelating property of metal-salt and jelling agent, using molysite, aluminium salt, calcium salt, magnesium salts, agar, gelatin, xanthan gum as main raw material, the characteristic of utilizing jelling agent high temperature melt low temperature to solidify, under hot conditions, the metal-salt of certain proportioning is dissolved in jelling agent solution, then under agitation condition, metal-salt is mixed with jelling agent, under 20～25 DEG C of conditions, leave standstill to solidifying, make water quality cleansing agent.The present invention not only has metal-salt to COD, TP, NH
3the efficient removal effect of the pollutents such as-N, and there is the advantages such as gelling, plasticity-, loose porous property and the biological degradability of jelling agent, also have applied widely simultaneously, be convenient to transport, easily separate, can reuse, the features such as utilization ratio is high, environmental sound.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, but protection scope of the present invention is not limited to this.
Embodiment 1
Get 30g iron(ic) chloride, 30g Tai-Ace S 150,30g calcium chloride, 30g magnesium oxide and be placed in respectively 100mL water, down to dissolving completely, obtain solution at continuous agitation condition, for subsequent use; 5.5g agar is placed in to 100mL water, and heating for dissolving, maintains solution state, for subsequent use; By ferric chloride Solution, alum liquor, calcium chloride solution, magnesium oxide solution, agar-agar soln by volume 1:1:1:1:4 mix while hot, with 100rpm stir 12min, fully mix; Mixing solutions is left standstill at 25 DEG C to solidifying, make multifunctional water quality purifying agent (Y-001).
It is stand-by that water quality cleansing agent Y-001 makes the bulk of 5 × 5 × 10mm; Get Zhejiang waste water from pesticide factory 200 mL in 250mL beaker, waste water COD 1512.5mg/L, TP 89.6mg/L, NH
3-N 62.8mg/L adds 4 water quality cleansing agent Y-001 in waste water, stirs 15min with 90rpm, leaves standstill 30min.Get supernatant liquid filtering testing index COD, TP, NH3-N.Test-results shows, waste water COD, TP, NH
3the clearance of-N is respectively 73.2%, 97.4%, 83.7%.
Embodiment 2
Get 40g ferric sulfate, 20g polymerize aluminum chloride, 10g magnesium chloride and be placed in respectively 100mL water, down to dissolving completely, obtain solution at continuous agitation condition, for subsequent use; 6.0g gelatin is placed in to 100mL water, and heating for dissolving, maintains solution state, for subsequent use; By ferrum sulfuricum oxydatum solutum, polymeric aluminum chlorides solution, magnesium chloride solution, gelatin solution by volume 1:1:1:3 mix while hot, with 100rpm stir 12min, fully mix; Mixing solutions is left standstill at 20 DEG C to solidifying, make multifunctional water quality purifying agent (Y-002).
It is stand-by that water quality cleansing agent Y-002 makes the bulk of 5 × 5 × 10mm; Get Hangzhou food plant wastewater 200mL in 250mL beaker, waste water COD 923.6mg/L, TP 52.8mg/L, NH
3-N 41.5mg/L adds 4 Y-002 in waste water, stirs 15min with 90rpm, leaves standstill 30min.Get supernatant liquid filtering testing index COD, TP, NH3-N.Test-results shows, waste water COD, TP, NH
3the clearance of-N is respectively 80.2%, 98.8%, 87.5%.
Embodiment 3
Get 35g poly-ferric chloride, 25g calcium chloride is placed in respectively 100mL water, down to dissolving completely, obtains solution at continuous agitation condition, for subsequent use; 4.5g agar is placed in to 100mL water, and heating for dissolving, maintains solution state, for subsequent use; By poly-ferric chloride solution, calcium chloride solution, agar-agar soln by volume 1:1:2 mix while hot, with 100rpm stir 12min, fully mix; By mixing solutions in 22 DEG C leave standstill to solidify, make multifunctional water quality purifying agent (Y-003).
It is stand-by that water quality cleansing agent Y-003 makes the bulk of 5 × 5 × 10mm; Get Hangzhou chemical plant wastewater 200mL in 250mL beaker, waste water COD 2415.2mg/L, TP 124.6mg/L, NH
3-N 97.3mg/L adds 4 Y-003 in waste water, stirs 15min with 90rpm, leaves standstill 30min.Get supernatant liquid filtering testing index COD, TP, NH
3-N.Test-results shows, waste water COD, TP, NH
3the clearance of-N is respectively 77.2%, 98.0%, 80.3%.
Embodiment 4
Get 20g ferric sulfate, 40g polymerize aluminum chloride, 5g calcium hydroxide and be placed in respectively 100mL water, down to dissolving completely, obtain solution at continuous agitation condition, for subsequent use; 4.0g agar is placed in to 100mL water, and heating for dissolving, maintains solution state, for subsequent use; By ferrum sulfuricum oxydatum solutum, polymeric aluminum chlorides solution, aqua calcis, agar-agar soln by volume 1:1.5:0.5:2.5 mix while hot, with 100rpm stir 12min, fully mix; By mixing solutions in 25 DEG C leave standstill to solidify, make multifunctional water quality purifying agent (Y-004).
It is stand-by that water quality cleansing agent Y-004 makes the bulk of 5 × 5 × 10mm; Get the waste water 200mL of Shaoxing printing and dyeing mill in 250mL beaker, waste water COD 1625.0mg/L, TP 15.3mg/L, NH
3-N 78.4mg/L adds 4 Y-004 in waste water, stirs 15min with 90rpm, leaves standstill 30min.Get supernatant liquid filtering testing index COD, TP, NH3-N.Test-results shows, waste water COD, TP, NH
3the clearance of-N is respectively 80.6%, 96.8%, 84.1%.
Claims (9)
1. a multifunctional water quality purifying agent, it is characterized in that: described scavenging agent comprises aqueous metal salt and the gelifying agent aqueous solution, the volume ratio of described aqueous metal salt and the gelifying agent aqueous solution is 1～3:1, described aqueous metal salt is the two or more arbitrary combination in molysite aqueous solution, aluminum saline solution, magnesium salt solution, calcium saline solution, and the described jelling agent aqueous solution is the one in aqueous gelatin solution, aqueous agar solution, xanthan gum solution.
2. according to the multifunctional water quality purifying agent described in claim 1, it is characterized in that: described molysite is the one in ferric sulfate, iron(ic) chloride, ferrous sulfate, bodied ferric sulfate, poly-ferric chloride.
3. according to the multifunctional water quality purifying agent described in claim 1, it is characterized in that: described aluminium salt is the one in aluminum chloride, aluminum oxide, Tai-Ace S 150, polymerize aluminum chloride, polyaluminium sulfate.
4. according to the multifunctional water quality purifying agent described in claim 1, it is characterized in that: described magnesium salts is the one in magnesium chloride, magnesium hydroxide, magnesium oxide, magnesium sulfate.
5. a kind of multifunctional water quality purifying agent according to claim 1, is characterized in that: described calcium salt is the one in calcium chloride, calcium oxide, calcium hydroxide, calcium sulfate.
6. according to the multifunctional water quality purifying agent described in claim 1, it is characterized in that: described aqueous metal salt is the combination of molysite aqueous solution, aluminum saline solution and calcium saline solution, the volume ratio of described molysite aqueous solution, aluminum saline solution, calcium saline solution, aqueous agar solution is 1:1.5:0.5:2.5.
7. a preparation method for multifunctional water quality purifying agent described in claim 1, is characterized in that comprising the steps:
(1) 10～60g metal-salt is placed in respectively to 100mL water, is constantly stirred to completely and dissolves, obtain corresponding aqueous metal salt, for subsequent use; Wherein, described aqueous metal salt is the two or more arbitrary combination in molysite aqueous solution, aluminum saline solution, magnesium salt solution, calcium saline solution;
(2) 2.5～8.5g jelling agent is placed in to 100mL water, heating for dissolving, and maintain solution state, and obtain the jelling agent aqueous solution, for subsequent use; Wherein, the described jelling agent aqueous solution is the one in aqueous gelatin solution, aqueous agar solution, xanthan gum solution;
(3) aqueous metal salt step (1), (2) being obtained and the jelling agent aqueous solution by volume 1～3:1 mix while hot, with 60～120rpm stirring, 10～15min, fully mix;
(4) mixing solutions is left standstill under 20～25 DEG C of conditions to solidifying, make multifunctional water quality purifying agent.
8. the preparation method of multifunctional water quality purifying agent according to claim 7, is characterized in that comprising the steps:
(1) 30g iron(ic) chloride, 30g Tai-Ace S 150,30g calcium chloride, 30g magnesium oxide are placed in respectively to 100mL water, are constantly stirred to completely and dissolve, obtain the corresponding aqueous solution, for subsequent use;
(2) 5.5g agar is placed in to 100mL water, heating for dissolving, and maintain solution state, and obtain the jelling agent aqueous solution, for subsequent use;
(3) ferric chloride in aqueous solution, aluminum sulfate aqueous solution, calcium chloride water, magnesium oxide aqueous solution, aqueous agar solution are mixed while hot with volume ratio 1:1:1:1:4, stir 12min with 100rpm, fully mix;
(4) mixing solutions is left standstill under 25 DEG C of conditions to solidifying, make multifunctional water quality purifying agent.
9. the preparation method of multifunctional water quality purifying agent according to claim 7, is characterized in that comprising the steps:
(1) 40g ferric sulfate, 20g polymerize aluminum chloride, 10g magnesium chloride are placed in respectively to 100mL water, are constantly stirred to completely and dissolve, obtain the corresponding aqueous solution, for subsequent use;
(2) 6.0g gelatin is placed in to 100mL water, heating for dissolving, and maintain solution state, and obtain the jelling agent aqueous solution, for subsequent use;
(3) ferric sulfate aqueous solution, the polymerize aluminum chloride aqueous solution, magnesium chloride brine, aqueous gelatin solution are mixed while hot with volume ratio 1:1:1:3, stir 12min with 100rpm, fully mix;
(4) mixing solutions is left standstill under 20 DEG C of conditions to solidifying, make multifunctional water quality purifying agent.
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| CN104973675A (en) * | 2015-07-10 | 2015-10-14 | 张颖 | Wastewater purification treatment agent preparation method |
| CN105923721A (en) * | 2016-04-23 | 2016-09-07 | 徐月苗 | Decolorizing flocculant of dyeing wastewater |
| CN105967293A (en) * | 2016-05-30 | 2016-09-28 | 安庆丰源化工有限公司 | Phosphorus chemical industry wastewater treatment agent and preparation method thereof |
| CN107324474A (en) * | 2017-09-05 | 2017-11-07 | 成都锐达机电实业有限公司 | Efficient dephosphorization agent and its preparation method and application |
| CN107324463A (en) * | 2017-06-15 | 2017-11-07 | 神州华美（北京）科技有限公司 | Multinuclear composite dephosphorizing agent and preparation method thereof |
| CN114455665A (en) * | 2022-01-25 | 2022-05-10 | 太原市润民环保节能有限公司 | Sewage dephosphorization agent and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104973675A (en) * | 2015-07-10 | 2015-10-14 | 张颖 | Wastewater purification treatment agent preparation method |
| CN105923721A (en) * | 2016-04-23 | 2016-09-07 | 徐月苗 | Decolorizing flocculant of dyeing wastewater |
| CN105967293A (en) * | 2016-05-30 | 2016-09-28 | 安庆丰源化工有限公司 | Phosphorus chemical industry wastewater treatment agent and preparation method thereof |
| CN107324463A (en) * | 2017-06-15 | 2017-11-07 | 神州华美（北京）科技有限公司 | Multinuclear composite dephosphorizing agent and preparation method thereof |
| CN107324474A (en) * | 2017-09-05 | 2017-11-07 | 成都锐达机电实业有限公司 | Efficient dephosphorization agent and its preparation method and application |
| CN107324474B (en) * | 2017-09-05 | 2020-08-18 | 成都锐达机电实业有限公司 | Efficient phosphorus removal agent and preparation method and application thereof |
| CN114455665A (en) * | 2022-01-25 | 2022-05-10 | 太原市润民环保节能有限公司 | Sewage dephosphorization agent and preparation method thereof |
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