CN102897954A - Method and equipment for recovering and treating ammonia-containing wastewater - Google Patents
Method and equipment for recovering and treating ammonia-containing wastewater Download PDFInfo
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- CN102897954A CN102897954A CN2012102575165A CN201210257516A CN102897954A CN 102897954 A CN102897954 A CN 102897954A CN 2012102575165 A CN2012102575165 A CN 2012102575165A CN 201210257516 A CN201210257516 A CN 201210257516A CN 102897954 A CN102897954 A CN 102897954A
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 230
- 239000002351 wastewater Substances 0.000 title claims abstract description 135
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000004064 recycling Methods 0.000 claims abstract description 33
- 239000002904 solvent Substances 0.000 claims abstract description 32
- 239000012528 membrane Substances 0.000 claims abstract description 30
- 150000001768 cations Chemical class 0.000 claims abstract description 29
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 96
- 239000002253 acid Substances 0.000 claims description 53
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 28
- 150000002500 ions Chemical class 0.000 claims description 27
- 238000011084 recovery Methods 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- -1 ammonium radical ion Chemical class 0.000 claims description 12
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003456 ion exchange resin Substances 0.000 claims description 9
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 8
- 238000000909 electrodialysis Methods 0.000 claims description 8
- 241000370738 Chlorion Species 0.000 claims description 7
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 229910001415 sodium ion Inorganic materials 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 abstract description 6
- 150000001450 anions Chemical class 0.000 abstract description 4
- 238000010494 dissociation reaction Methods 0.000 abstract 1
- 230000005593 dissociations Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 13
- 238000004065 wastewater treatment Methods 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 150000003388 sodium compounds Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical group N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000001166 ammonium sulphate Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 231100000299 mutagenicity Toxicity 0.000 description 1
- 230000007886 mutagenicity Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
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Abstract
The invention provides a method and equipment for recycling ammonia-containing wastewater. The method comprises the following steps: firstly, adding an acidic solvent into ammonia-containing wastewater to form acidic wastewater; then, separating the acidic wastewater into high-concentration wastewater and low-concentration wastewater by using a reverse osmosis membrane; then, the high concentration waste water is separated into an anion-containing waste water and a cation-containing waste water to recover the cation-containing waste water. The invention also provides a recycling treatment device of ammonia-containing wastewater, wherein the acidic wastewater formed in an pH value adjusting tank is separated into high-concentration wastewater and low-concentration wastewater through a reverse osmosis membrane, the high-concentration wastewater is separated into anion-containing wastewater and cation-containing wastewater in a dissociation tank, and then the cation-containing wastewater is recycled in a recycling tank.
Description
Technical field
The invention relates to recovery and treatment method and the equipment thereof of kind of a waste water (waste water), and particularly relevant for a kind of recovery and treatment method and equipment thereof that contains ammonia (ammonia) waste water.
Background technology
Along with climatic variation is day by day violent, the probability that damage caused by waterlogging and drought occur in all parts of the world also raises gradually, and then causes more and more being not easy effectively to preserve the clean water resource indispensable with utilizing human survival.The more important thing is that population in the world quantity is grown up and the developing rapidly of industrial technology rapidly, cause human day by day serious for environmental pollution, more so that the preservation of water resources with utilize problem more and more to worsen.Therefore, how can effectively reclaim the pollution substance in the trade effluent (industrial waste water), to reduce pollution substance for the pollution of environment, become gradually one of countries in the world government problem demanding prompt solution.
(ammonia, chemical formula are NH to contain high strength ammonia
3Be commonly called as and be ammonia or anhydrous ammonia, anhydrous ammonia) special water be common in the processing wastewater of the industry such as optoelectronic semiconductor (optoelectronic semiconductor), refining of petroleum (petroleum refining), coking (coking), fertilizer (fertilizer), iron and steel (iron and steel) and food (foodstuff).High strength ammonia has corrodibility (corrosiveness), has toxicity and human body is had carinogenicity (carcinogenicity) and causes the characteristics such as gene mutagenicity (mutagenic) for hydrobiont.Therefore, Countries is made laws, or tends to legislation, limits the nitrogen content in the waste water.
Normally utilize in the market bio anaerobic treatment process (biological anaerobic treatment process) to come ammonia-containing water is carried out denitrogenation (denitrifacation).Yet the nitric efficiency of traditional biological anaerobic treatment process is not high.Therefore, need badly provide can more effective Ammonia-Containing Wastewater Treatment apparatus and method for.
Summary of the invention
In order to address the above problem, the invention provides a kind of recovery and treatment method of ammonia-containing water and the recycling equipment of planting ammonia-containing water, to improve the organic efficiency of ammonia-containing water.
The invention provides a kind of recovery and treatment method of ammonia-containing water, it comprises the following steps: at first, adds an acid solvent (acid solvent) in an ammonia-containing water, to form an acid waste water (acid waste water); Then, recycle a reverse osmosis membrane (reverse osmosis membrane, RO membrane) acid waste water is separated into a high-concentration waste water and a low concentration wastewater; Then, again high-concentration waste water is separated into one and contains negatively charged ion (anions) waste water and a cation (cations) waste water, to reclaim cation waste water.
In one embodiment of this invention, the composition of above-mentioned ammonia-containing water also comprises hydrogen peroxide (hydrogen peroxide, chemical formula is H
2O
2, be commonly called as hydrogen peroxide), and before adding acid solvent in the ammonia-containing water, also comprise the hydrogen peroxide that utilizes in a catalyzer (catalyst) the removal ammonia-containing water.Wherein, catalyzer can be activated carbon (activated carbon fibers, ACF), (manganese dioxide, chemical formula are MnO to Manganse Dioxide
2) or ferrimanganic sand (manganese ore).
In one embodiment of this invention, above-mentioned high-concentration waste water is to utilize an electrodialysis module or an ion exchange resin (ion exchange resin) to be separated into to contain negatively charged ion waste water and cation waste water.
The present invention also provides a kind of recycling equipment of ammonia-containing water, it comprises a pH-value adjustment tank (pH adjusting tank), a reverse osmosis membrane, a liberating tank (ionization tank) and an accumulator tank (collecting tank), wherein reverse osmosis membrane is disposed between pH-value adjustment tank and the liberating tank, and accumulator tank is communicated in liberating tank.The pH-value adjustment tank is in order to holding an ammonia-containing water, and is suitable for injecting an acid solvent, so that ammonia-containing water forms an acid waste water.Reverse osmosis membrane is in order to be separated into acid waste water one high-concentration waste water and a low concentration wastewater.Liberating tank contains negatively charged ion waste water and a cation waste water in order to high-concentration waste water is separated into one.Accumulator tank is in order to reclaim cation waste water.
In one embodiment of this invention, the recycling equipment of above-mentioned ammonia-containing water also comprises a processing unit that accommodates a catalyzer, and the composition of ammonia-containing water also comprises hydrogen peroxide, and the pH-value adjustment tank is disposed between processing unit and the reverse osmosis membrane.And, before acid solvent is injected ammonia-containing water, utilize first the hydrogen peroxide in the catalyzer removal ammonia-containing water.Wherein, catalyzer is activated carbon, Manganse Dioxide or ferrimanganic sand.
In one embodiment of this invention, have an electrodialysis module or an ion exchange resin in the above-mentioned liberating tank, and high-concentration waste water utilizes electrodialysis module or ion exchange resin to be separated into to contain negatively charged ion waste water and cation waste water.
In one embodiment of this invention, above-mentioned liberating tank is communicated in the pH-value adjustment tank, is used as acid solvent injection pH-value adjustment tank in order to will contain negatively charged ion waste water.
In one embodiment of this invention, the recycling equipment of above-mentioned ammonia-containing water also comprises a storagetank (storage tank).Storagetank is communicated in the pH-value adjustment tank, in order to storing acid solvent, and is suitable for acid solvent is injected the pH-value adjustment tank.
In one embodiment of this invention, the pH-value of above-mentioned acid waste water is lower than 6.5.
In one embodiment of this invention, above-mentioned ammonia-containing water, acid solvent and the composition that contains negatively charged ion waste water all comprise sulfate ion (sulfate ion, chemical formula are SO
4 2-) (chlorine ion, chemical formula are Cl with chlorion
-) at least one of them.
In one embodiment of this invention, the composition of above-mentioned ammonia-containing water also comprises sodium ion (sodium ion, chemical formula is Na
+) (ammonium ion, chemical formula are NH with the ammonium radical ion
4 +) at least one of them.
Compared to prior art, the present invention can be higher for the organic efficiency of ammonia in the waste water.
Description of drawings
Fig. 1 shows according to an embodiment of the invention a kind of schema of recovery and treatment method of ammonia-containing water.
Fig. 2 shows in accordance with another embodiment of the present invention a kind of schema of recovery and treatment method of ammonia-containing water.
Fig. 3 shows according to an embodiment of the invention a kind of structural representation of recycling equipment of ammonia-containing water.
Fig. 4 shows in accordance with another embodiment of the present invention a kind of structural representation of recycling equipment of ammonia-containing water.
Main nomenclature among the figure:
100a, 100b: the recycling equipment of ammonia-containing water
110: the pH-value adjustment tank
120: reverse osmosis membrane
130: liberating tank
140: accumulator tank
150: storagetank
160,170,180: pump
190: processing unit
S100, S110, S120, S130, S140: step.
Embodiment
For above-mentioned feature and advantage of the present invention can be become apparent, hereinafter the spy enumerates a plurality of embodiment, and cooperates accompanying drawing, elaborates.
Fig. 1 shows according to an embodiment of the invention a kind of schema of recovery and treatment method of ammonia-containing water.Please refer to shown in Figure 1, the recovery and treatment method of ammonia-containing water comprises the following steps: at first, shown in step S110, adds an acid solvent in an ammonia-containing water, be adjusted to the pH-value of ammonia-containing water that will originally be alkalescence and be lower than 6.5, and then form an acid waste water; Then, shown in step S120, the recycling reverse osmosis membrane is separated into a high-concentration waste water and a low concentration wastewater with acid waste water; Then, shown in step S130, again to the high-concentration waste water processing of dissociating, high-concentration waste water is separated into a cation waste water that contains negatively charged ion waste water and contain ammonia; Thus, shown in step S140, just can reclaim the cation waste water that contains ammonia.
More specifically, ammonia may be with the ammonium radical ion (NH of positively charged
4+) form exists in solution.Because Acidic Liquid is known from experience and to be made the reverse osmosis membrane positively charged, thereby can be conducive to that reverse osmosis membrane repels be the ammonium radical ion of positively charged equally, and then keep more ammonium radical ion in high-concentration waste water.Therefore, in this embodiment, can carry out first step S110, be adjusted into acid waste water with the ammonia-containing water that will originally be alkalescence by acid solvent.Then, carry out step S120, when utilizing reverse osmosis membrane that acid waste water is separated into high-concentration waste water and low concentration wastewater, just can improve the ammonium radical ion content in the high-concentration waste water.At this moment, the extremely low low concentration wastewater of ammonium radical ion content just can recycling, or is disposed to the waste water treatment plant and carries out follow-up general waste water treatment process.
Then, shown in step S130, recycle an electrodialysis module or an ion exchange resin and come the high-concentration waste water processing of dissociating is contained negatively charged ion waste water and cation waste water so that high-concentration waste water is separated into.Then, just can shown in step S140, reclaim the cation waste water that contains ammonia.Come ammonia-containing water is carried out denitrogenation with bio anaerobic technique compared to prior art, this embodiment comes Ammonia-Containing Wastewater Treatment to concentrate first the mode of dissociating again, can have higher ammonia organic efficiency.
It should be noted that, in order to simplify low concentration wastewater in the above-mentioned technique, to contain the subsequent disposal operation of the by products such as negatively charged ion waste water and cation waste water, contained anionic component is preferably identical with contained Main Anions composition in the ammonia-containing water in the acid solvent, to avoid the main component too complex in the above-mentioned by product.
More specifically, the main component that comes from the ammonia-containing water of semiconductor industry or other industries can only not include the ammonium radical ion usually, may also can include the negatively charged ion such as sulfate ion or chlorion.For instance, the main component of ammonia-containing water can be ammonium sulfate (ammonium sulphate, chemical formula is (NH
4)
2SO
4) (ammonium chloride, chemical formula are NH for waste water or ammonium chloride
4Cl) waste water.At this moment, the main component of acid solvent just can be sulfuric acid (sulfuric acid, chemical formula is H
2SO
4) solution or spirit of salt (hydrochloric acid, chemical formula is HCl, is commonly called as hydrochloric acid) solution.
In addition, when the main component of ammonia-containing water includes sulfate ion or chlorion, in the main component that contains negatively charged ion waste water that in step S130, produces, also can include sulfate ion and chlorion at least one of them.At this moment, contain the acid solvent that negatively charged ion waste water just can be taken as to adjust the ammonia-containing water pH-value, to reuse.
In addition, in this embodiment, the composition of ammonia-containing water also can comprise sodium ion.Therefore, when reclaiming cation waste water, except can be recycled to ammonia, also can be recovered in the lump sodium compound (sodium compound).
Fig. 2 shows in accordance with another embodiment of the present invention a kind of schema of recovery and treatment method of ammonia-containing water.Please refer to shown in Figure 2ly, the recovery and treatment method of the ammonia-containing water among the recovery and treatment method of the ammonia-containing water among this embodiment and the last embodiment is similar, and the two difference is that the main component of the ammonia-containing water among this embodiment also comprises hydrogen peroxide.Therefore, carrying out step S110, before the formation acid waste water in that acid solvent is injected ammonia-containing water, also comprising and carry out step S100, to utilize the hydrogen peroxide in the catalyzer removal ammonia-containing water.Wherein, catalyzer can be activated carbon, Manganse Dioxide or ferrimanganic sand.Other step is identical with last embodiment, repeats no more in this.
In order to allow those skilled in the art can be more readily understood the recovery and treatment method of above-mentioned ammonia-containing water.Below will further disclose with specific embodiment a kind of recycling equipment of ammonia-containing water.Yet the recovery and treatment method of above-mentioned ammonia-containing water is not to utilize the recycling equipment of following ammonia-containing water just can carry out.
Fig. 3 shows according to an embodiment of the invention a kind of structural representation of recycling equipment of ammonia-containing water.Please refer to shown in Figure 3ly, the recycling equipment 100a of ammonia-containing water comprises a pH-value adjustment tank 110, a reverse osmosis membrane 120, a liberating tank 130 and an accumulator tank 140.Wherein, reverse osmosis membrane 120 is disposed between pH-value adjustment tank 110 and the liberating tank 130, and accumulator tank 140 is communicated in liberating tank 130.
PH-value adjustment tank 110 is in order to holding ammonia-containing water, and is suitable for injecting acid solvent, is adjusted into acid waste water with the ammonia-containing water that will originally be alkalescence.Then, recycling reverse osmosis membrane 120 is separated into high-concentration waste water and low concentration wastewater with acid waste water.Wherein, the extremely low low concentration wastewater of ammonia content can recycling, or be disposed to the waste water treatment plant and carry out follow-up general waste water treatment process, the high high-concentration waste water of ammonia content then can inject liberating tank 130, contains negatively charged ion waste water and cation waste water to utilize electrodialysis module in the liberating tank 130 or ion exchange resin further to be separated into.Afterwards, again cation waste water being injected accumulator tank 140 reclaims.In the same manner, come ammonia-containing water is carried out denitrogenation with bio anaerobic technique compared to prior art, this embodiment comes Ammonia-Containing Wastewater Treatment to concentrate first the mode of dissociating again, can have higher organic efficiency.
In addition, when the main component of ammonia-containing water also includes the negatively charged ion such as sulfate ion or chlorion, can select the hydride (such as sulfuric acid and spirit of salt) of above-mentioned negatively charged ion to come main component as acid solvent, in order to simplify low concentration wastewater, contain the subsequent disposal operation of the by products such as negatively charged ion waste water and cation waste water.And in this embodiment, liberating tank 130 also can be communicated in pH-value adjustment tank 110.At this moment, can also be directly inject pH-value adjustment tank 110 with containing negatively charged ion waste water as the acid solvent that is used for adjusting the ammonia-containing water pH-value, to reuse.
Negatively charged ion that it should be noted that part can be along with low concentration wastewater be discharged in above-mentioned technique, therefore contains anion-content in the negatively charged ion waste water and may be not enough in subsequent technique ammonia-containing water is adjusted to required pH-value.Therefore, the recycling equipment 100a of the ammonia-containing water among this embodiment also can comprise and is communicated in pH-value adjustment tank 110 and in order to storing a storagetank 150 of acid solvent, in order to measure according to demand acid solvent injected pH-value adjustment tanks 110 from storagetank 150.
In addition, the recycling equipment 100a of ammonia-containing water also can comprise a plurality of pumps 160,170 and 180.Wherein, pump 160 can be connected between pH-value adjustment tank 110 and the reverse osmosis membrane 120, in order to acid waste water is delivered to reverse osmosis membrane 120 from pH-value adjustment tank 110.Moreover pump 170 can be connected between reverse osmosis membrane 120 and the liberating tank 130, in order to high-concentration waste water is injected liberating tank 130 from reverse osmosis membrane 120.In addition, 180 of pumps can be connected between storagetank 150 and the pH-value adjustment tank 110, in order to acid solvent is injected into pH-value adjustment tank 110 from storagetank 150.
In addition, in this embodiment, the composition of ammonia-containing water also can comprise sodium ion.Therefore, when reclaiming cation waste water, except can be recycled to ammonia, also can be recovered in the lump sodium compound.
Fig. 4 shows in accordance with another embodiment of the present invention a kind of structural representation of recycling equipment of ammonia-containing water.Please refer to shown in Figure 4, the recycling equipment 100a of the ammonia-containing water among the recycling equipment 100b of the ammonia-containing water among this embodiment and the last embodiment is similar, the two difference is that the main component of the ammonia-containing water among this embodiment also comprises hydrogen peroxide, therefore the recycling equipment 100b of ammonia-containing water also can comprise a processing unit 190 that accommodates a catalyzer, and pH-value adjustment tank 110 is disposed between processing unit 190 and the reverse osmosis membrane 120.Wherein, catalyzer can be activated carbon, Manganse Dioxide or ferrimanganic sand, in order to before acid solvent is injected ammonia-containing water, removes first the hydrogen peroxide in the acid waste water.The function of other assembly and annexation are identical with last embodiment, repeat no more in this.
Comprehensively above-mentioned, make the reverse osmosis membrane positively charged because Acidic Liquid is known from experience, thereby can be conducive to reverse osmosis membrane repulsion ammonium radical ion, in order in high-concentration waste water, keep more ammonium radical ion.Therefore, the present invention is adjusted into acidity with the pH-value of ammonia-containing water first, then when utilizing reverse osmosis membrane that acid waste water is separated into high-concentration waste water and low concentration wastewater, just can improve reverse osmosis membrane for the organic efficiency of ammonium radical ion.Then, again high-concentration waste water is processed, contained negatively charged ion waste water and cation waste water to be separated into.Afterwards, just can reclaim the cation waste water that contains ammonia.Therefore, compared to prior art, the present invention can be higher for the organic efficiency of ammonia.
Although the present invention discloses as above with embodiment, so it is not to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention, when doing a little change and retouching.
Claims (16)
1. the recovery and treatment method of an ammonia-containing water is characterized in that, the method comprises:
In an ammonia-containing water, add an acid solvent, to form an acid waste water;
Utilize a reverse osmosis membrane that described acid waste water is separated into a high-concentration waste water and a low concentration wastewater; And
Described high-concentration waste water is separated into one contains negatively charged ion waste water and a cation waste water, to reclaim described cation waste water.
2. the recovery and treatment method of ammonia-containing water as claimed in claim 1, it is characterized in that, the composition of described ammonia-containing water also comprises hydrogen peroxide, and, the method also comprises: before adding described acid solvent in the described ammonia-containing water, utilize a catalyzer to remove described hydrogen peroxide in the described ammonia-containing water.
3. the recovery and treatment method of ammonia-containing water as claimed in claim 2 is characterized in that, described catalyzer is activated carbon, Manganse Dioxide or ferrimanganic sand.
4. the recovery and treatment method of ammonia-containing water as claimed in claim 1 is characterized in that, the pH-value of described acid waste water is lower than 6.5.
5. the recovery and treatment method of ammonia-containing water as claimed in claim 1 is characterized in that, described high-concentration waste water is to utilize an electrodialysis module or an ion exchange resin to be separated into described negatively charged ion waste water and the described cation waste water of containing.
6. the recovery and treatment method of ammonia-containing water as claimed in claim 1 is characterized in that, described ammonia-containing water, acid solvent and the composition that contains negatively charged ion waste water all comprise sulfate ion and chlorion at least one of them.
7. the recovery and treatment method of ammonia-containing water as claimed in claim 1 is characterized in that, the composition of described ammonia-containing water also comprise sodium ion and ammonium radical ion at least one of them.
8. the recycling equipment of an ammonia-containing water is characterized in that, this equipment comprises:
One pH-value adjustment tank in order to holding an ammonia-containing water, and is suitable for injecting an acid solvent, so that described ammonia-containing water forms an acid waste water;
One reverse osmosis membrane is in order to be separated into described acid waste water one high-concentration waste water and a low concentration wastewater;
One liberating tank, described reverse osmosis membrane are disposed between described pH-value adjustment tank and the liberating tank, and described liberating tank contains negatively charged ion waste water and a cation waste water in order to described high-concentration waste water is separated into one; And
One accumulator tank is communicated in described liberating tank, in order to reclaim described cation waste water.
9. the recycling equipment of ammonia-containing water as claimed in claim 8, it is characterized in that, this equipment also comprises a processing unit that accommodates a catalyzer, and the composition of described ammonia-containing water also comprises hydrogen peroxide, wherein said pH-value adjustment tank is disposed between described processing unit and the reverse osmosis membrane, and before described acid solvent is injected ammonia-containing water, utilize first described catalyzer to remove described hydrogen peroxide in the described ammonia-containing water.
10. the recycling equipment of ammonia-containing water as claimed in claim 9 is characterized in that, described catalyzer is activated carbon, Manganse Dioxide or ferrimanganic sand.
11. the recycling equipment of ammonia-containing water as claimed in claim 8 is characterized in that, the pH-value of described acid waste water is lower than 6.5.
12. the recycling equipment of ammonia-containing water as claimed in claim 8, it is characterized in that, have an electrodialysis module or an ion exchange resin in the described liberating tank, and described high-concentration waste water utilizes described electrodialysis module or described ion exchange resin to be separated into described negatively charged ion waste water and the cation waste water of containing.
13. the recycling equipment of ammonia-containing water as claimed in claim 8 is characterized in that, described liberating tank is communicated in described pH-value adjustment tank, in order to the described negatively charged ion waste water that contains is used as acid solvent and is injected described pH-value adjustment tank.
14. the recycling equipment that contains the ammonia waste liquid as claimed in claim 8, it is characterized in that this equipment also comprises a storagetank, be communicated in described pH-value adjustment tank, in order to storing described acid solvent, and be suitable for described acid solvent is injected described pH-value adjustment tank.
15. the recycling equipment of ammonia-containing water as claimed in claim 8 is characterized in that, described ammonia-containing water, acid solvent and the composition that contains negatively charged ion waste water all comprise sulfate ion and chlorion at least one of them.
16. the recycling equipment of ammonia-containing water as claimed in claim 8 is characterized in that, the composition of described ammonia-containing water also comprise sodium ion and ammonium radical ion at least one of them.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100126433 | 2011-07-26 | ||
| TW100126433A TWI432382B (en) | 2011-07-26 | 2011-07-26 | Processing method for collecting waste water containing ammonia and apparatus thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102897954A true CN102897954A (en) | 2013-01-30 |
Family
ID=47570490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102575165A Pending CN102897954A (en) | 2011-07-26 | 2012-07-24 | Method and equipment for recovering and treating ammonia-containing wastewater |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102897954A (en) |
| TW (1) | TWI432382B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108137348A (en) * | 2015-10-30 | 2018-06-08 | 陶氏环球技术有限责任公司 | The film process of ammonia-containing water |
| CN114735790A (en) * | 2021-01-07 | 2022-07-12 | 环创源科技股份有限公司 | Method and system for recovering ammonia from wastewater |
| CN115072910A (en) * | 2021-03-15 | 2022-09-20 | 兆德（南通）电子科技有限公司 | Recovery treatment method of ammonia-containing waste liquid |
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|---|---|---|---|---|
| JP2001179295A (en) * | 1999-12-28 | 2001-07-03 | Meidensha Corp | Method and apparatus for treating sewage |
| CN1625433A (en) * | 2002-05-06 | 2005-06-08 | 德巴斯什·穆霍帕德黑 | Method and apparatus for treatment of fluid by reverse osmosis process under acidic conditions |
| JP2006218354A (en) * | 2005-02-08 | 2006-08-24 | Kurita Water Ind Ltd | Method for treating fluorine-containing waste water |
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- 2011-07-26 TW TW100126433A patent/TWI432382B/en active
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2012
- 2012-07-24 CN CN2012102575165A patent/CN102897954A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001179295A (en) * | 1999-12-28 | 2001-07-03 | Meidensha Corp | Method and apparatus for treating sewage |
| CN1625433A (en) * | 2002-05-06 | 2005-06-08 | 德巴斯什·穆霍帕德黑 | Method and apparatus for treatment of fluid by reverse osmosis process under acidic conditions |
| JP2006218354A (en) * | 2005-02-08 | 2006-08-24 | Kurita Water Ind Ltd | Method for treating fluorine-containing waste water |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108137348A (en) * | 2015-10-30 | 2018-06-08 | 陶氏环球技术有限责任公司 | The film process of ammonia-containing water |
| CN108137348B (en) * | 2015-10-30 | 2021-02-05 | 陶氏环球技术有限责任公司 | Membrane treatment of ammonia-containing wastewater |
| CN114735790A (en) * | 2021-01-07 | 2022-07-12 | 环创源科技股份有限公司 | Method and system for recovering ammonia from wastewater |
| CN115072910A (en) * | 2021-03-15 | 2022-09-20 | 兆德（南通）电子科技有限公司 | Recovery treatment method of ammonia-containing waste liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201305063A (en) | 2013-02-01 |
| TWI432382B (en) | 2014-04-01 |
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