CN106186461A - A kind of processing method of ammonia nitrogen waste water - Google Patents
A kind of processing method of ammonia nitrogen waste water Download PDFInfo
- Publication number
- CN106186461A CN106186461A CN201610673611.1A CN201610673611A CN106186461A CN 106186461 A CN106186461 A CN 106186461A CN 201610673611 A CN201610673611 A CN 201610673611A CN 106186461 A CN106186461 A CN 106186461A
- Authority
- CN
- China
- Prior art keywords
- waste water
- ammonia nitrogen
- nitrogen waste
- processing method
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46176—Galvanic cells
-
- 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
- C02F1/5254—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using magnesium compounds and phosphoric acid for removing ammonia
-
- 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
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention provides the processing method of a kind of ammonia nitrogen waste water, comprise the following steps: sodium bentonite, flyash, polyformaldehyde and pending ammonia nitrogen waste water are mixed by (1), stir 12 hours under rotating speed 200 300r/min, filter, remove filtering residue；(2) add Magnesium dichloride hexahydrate and disodium hydrogen phosphate, sonic oscillation 20 40 minutes, regulate pH value with sodium hydroxide solution simultaneously；(3) add sodium silicate, osseocolla and sodium alginate, be heated to 70 80 DEG C and stir 10 20 minutes, static 30 60 minutes, filter, remove filtering residue；(4) by water by iron-carbon micro-electrolysis post；(5) physical and chemical index of the water quality after mensuration processes.The processing method of the ammonia nitrogen waste water of the present invention, can remove the ammonia nitrogen in waste water and COD efficiently, and meanwhile, the residual volume of P elements is few, does not produce secondary pollution, and strong to the comprehensive treatment capability of waste water, effect is good.
Description
Technical field
The present invention relates to the processing method of a kind of ammonia nitrogen waste water.
Background technology
Ammonia nitrogen refers to the nitrogen existed in water with free ammonia and ammonium ion form.In recent years, along with industrial or agricultural science and technology quick
Development, water body environment has also suffered serious destruction, and wherein, ammonia nitrogen waste water is exactly that one makes body eutrophication cause algae
A kind of pollutant effluents prolific with microorganism, even can make dissolved oxygen in water decline, cause Fish a large amount of time seriously polluted
The harm such as death, meanwhile, copper also can be corroded by ammonia nitrogen waste water.Ammonia nitrogen is primarily present in many industrial wastewaters, as iron and steel,
The industry such as oil refining, glass manufacture and meat packing, all can discharge the ammonia nitrogen waste water of high concentration, if not entering these ammonia nitrogen waste waters
Row processes timely, it will rivers and lakes cause serious harm, even can threaten the health of human body, therefore it provides one
It is numerous enterprises and researcher problem demanding prompt solution that kind processes the method for ammonia nitrogen waste water cost-effectively.
Summary of the invention
Solve the technical problem that: it is an object of the invention to provide the processing method of a kind of ammonia nitrogen waste water, can go efficiently
Except the ammonia nitrogen in waste water and COD, meanwhile, the residual volume of P elements is few, does not produce secondary pollution, the comprehensive treatment capability to waste water
By force, effect is good.
Technical scheme: the processing method of a kind of ammonia nitrogen waste water, comprises the following steps:
(1) by the sodium bentonite of ammonia nitrogen waste water 1-3wt ‰, the flyash of 1-2wt ‰, the polyformaldehyde of 0.5-1.5wt ‰ with treat
Process ammonia nitrogen waste water mixes, and stirs 1-2 hour under rotating speed 200-300r/min, filters, and removes filtering residue；
(2) Magnesium dichloride hexahydrate and the 12 water phosphorus of ammonia nitrogen waste water 0.1-0.3wt ‰ of ammonia nitrogen waste water 0.2-0.5wt ‰ are added
Acid disodium hydrogen, sonic oscillation 20-40 minute, simultaneously with sodium hydroxide solution regulation pH value to 7.5-8.5；
(3) sodium silicate of ammonia nitrogen waste water 0.1-0.2wt ‰, the osseocolla of 0.1-0.3wt ‰ and the Sargassum of 0.2-0.4wt ‰ are added
Acid sodium, is heated to 70-80 DEG C and stirs 10-20 minute, static 30-60 minute, filter, remove filtering residue；
(4) by water by iron-carbon micro-electrolysis post, wherein, iron-carbon micro-electrolysis column packing activated carbon: the volume ratio of iron filings is 4:1-2:
1；
(5) physical and chemical index of the water quality after mensuration processes.
It is further preferred that step (1) medium speed is 250r/min, mixing time is 1.5 hours.
It is further preferred that duration of oscillation is 30 minutes in step (2).
It is further preferred that be heated to 75 DEG C in step (3), mixing time is 15 minutes, and time of repose is that 40-50 divides
Clock.
It is further preferred that iron-carbon micro-electrolysis column packing activated carbon in step (4): the volume ratio of iron filings is 3:1.
Beneficial effect: this method is remarkable to the removal effect of ammonia nitrogen in waste water, and clearance is up to 99.9%, almost can be complete
Complete remove, residual phosphorus content is only 31.5mg/L, it is to avoid the P elements secondary pollution to water quality, and meanwhile, the removal to COD is imitated
The best, clearance is up to 95.1%, and strong to the comprehensive treatment capability of waste water, effect is good.
Detailed description of the invention
Embodiment 1
The processing method of a kind of ammonia nitrogen waste water, comprises the following steps:
(1) by the sodium bentonite of ammonia nitrogen waste water 1wt ‰, the flyash of 1wt ‰, the polyformaldehyde of 0.5wt ‰ and pending ammonia nitrogen
Waste water mixes, and stirs 1 hour under rotating speed 200r/min, filters, and removes filtering residue；
(2) Magnesium dichloride hexahydrate and the disodium hydrogen phosphate of ammonia nitrogen waste water 0.1wt ‰ of ammonia nitrogen waste water 0.2wt ‰ are added,
Sonic oscillation 20 minutes, regulates pH value with sodium hydroxide solution simultaneously；
(3) add the sodium silicate of ammonia nitrogen waste water 0.1wt ‰, the osseocolla of 0.1wt ‰ and the sodium alginate of 0.2wt ‰, be heated to 70
DEG C stirring 10 minutes, static 30 minutes, filter, remove filtering residue；
(4) by water by iron-carbon micro-electrolysis post wherein, iron-carbon micro-electrolysis column packing activated carbon: the volume ratio of iron filings is 4:1；
(5) physical and chemical index of the water quality after mensuration processes.
Embodiment 2
The processing method of a kind of ammonia nitrogen waste water, comprises the following steps:
The sodium bentonite of ammonia nitrogen waste water 1.5wt ‰, the flyash of 1.5wt ‰, the polyformaldehyde of 1wt ‰ and pending ammonia nitrogen are given up
Water mixes, and stirs 1.5 hours under rotating speed 250r/min, filters, and removes filtering residue；
(2) Magnesium dichloride hexahydrate and ten hydrogen phosphate dihydrates two of ammonia nitrogen waste water 0.15wt ‰ of ammonia nitrogen waste water 0.3wt ‰ are added
Sodium, sonic oscillation 25 minutes, regulate pH value with sodium hydroxide solution simultaneously；
(3) sodium silicate of ammonia nitrogen waste water 0.15wt ‰, the osseocolla of 0.15wt ‰ and the sodium alginate of 0.25wt ‰ are added, heating
Stir 15 minutes to 75 DEG C, static 40 minutes, filter, remove filtering residue；
(4) by water by iron-carbon micro-electrolysis post, wherein, iron-carbon micro-electrolysis column packing activated carbon: the volume ratio of iron filings is 3:1；
(5) physical and chemical index of the water quality after mensuration processes.
Embodiment 3
The processing method of a kind of ammonia nitrogen waste water, comprises the following steps:
By the sodium bentonite of ammonia nitrogen waste water 2wt ‰, the flyash of 1.5wt ‰, the polyformaldehyde of 1wt ‰ and pending ammonia nitrogen waste water
Mixing, stirs 1.5 hours under rotating speed 250r/min, filters, and removes filtering residue；
(2) Magnesium dichloride hexahydrate and ten hydrogen phosphate dihydrates two of ammonia nitrogen waste water 0.2wt ‰ of ammonia nitrogen waste water 0.35wt ‰ are added
Sodium, sonic oscillation 30 minutes, regulate pH value with sodium hydroxide solution simultaneously；
(3) add the sodium silicate of ammonia nitrogen waste water 0.15wt ‰, the osseocolla of 0.2wt ‰ and the sodium alginate of 0.3wt ‰, be heated to
75 DEG C are stirred 15 minutes, static 45 minutes, filter, remove filtering residue；
(4) by water by iron-carbon micro-electrolysis post wherein, iron-carbon micro-electrolysis column packing activated carbon: the volume ratio of iron filings is 3:1；
(5) physical and chemical index of the water quality after mensuration processes.
Embodiment 4
The processing method of a kind of ammonia nitrogen waste water, comprises the following steps:
(1) by the sodium bentonite of ammonia nitrogen waste water 2.5wt ‰, the flyash of 1.5wt ‰, the polyformaldehyde of 1wt ‰ and pending ammonia
Nitrogen waste water mixes, and stirs 1.5 hours under rotating speed 280r/min, filters, and removes filtering residue；
(2) Magnesium dichloride hexahydrate and ten hydrogen phosphate dihydrates two of ammonia nitrogen waste water 0.25wt ‰ of ammonia nitrogen waste water 0.4wt ‰ are added
Sodium, sonic oscillation 35 minutes, regulate pH value with sodium hydroxide solution simultaneously；
(3) sodium silicate of ammonia nitrogen waste water 0.15wt ‰, the osseocolla of 0.25wt ‰ and the sodium alginate of 0.35wt ‰ are added, heating
Stir 18 minutes to 77 DEG C, static 50 minutes, filter, remove filtering residue；
(4) by water by iron-carbon micro-electrolysis post, wherein, iron-carbon micro-electrolysis column packing activated carbon: the volume ratio of iron filings is 3:1；
(5) physical and chemical index of the water quality after mensuration processes.
Embodiment 5
The processing method of a kind of ammonia nitrogen waste water, comprises the following steps:
(1) by the sodium bentonite of ammonia nitrogen waste water 3wt ‰, the flyash of 2wt ‰, the polyformaldehyde of 1.5wt ‰ and pending ammonia nitrogen
Waste water mixes, and stirs 2 hours under rotating speed 300r/min, filters, and removes filtering residue；
(2) Magnesium dichloride hexahydrate and the disodium hydrogen phosphate of ammonia nitrogen waste water 0.3wt ‰ of ammonia nitrogen waste water 0.5wt ‰ are added,
Sonic oscillation 40 minutes, regulates pH value with sodium hydroxide solution simultaneously；
(3) add the sodium silicate of ammonia nitrogen waste water 0.2wt ‰, the osseocolla of 0.3wt ‰ and the sodium alginate of 0.4wt ‰, be heated to 80
DEG C stirring 20 minutes, static 60 minutes, filter, remove filtering residue；
(4) by water by iron-carbon micro-electrolysis post, wherein, iron-carbon micro-electrolysis column packing activated carbon: the volume ratio of iron filings is 2:1；
(5) physical and chemical index of the water quality after mensuration processes.
Comparative example 1
The processing method of a kind of ammonia nitrogen waste water, comprises the following steps:
(1) by the sodium bentonite of ammonia nitrogen waste water 3wt ‰, the flyash of 2wt ‰, the polyformaldehyde of 1.5wt ‰ and pending ammonia nitrogen
Waste water mixes, and sonic oscillation 20 minutes regulates pH value with sodium hydroxide solution simultaneously；
(2) Magnesium dichloride hexahydrate and the disodium hydrogen phosphate of ammonia nitrogen waste water 0.3wt ‰ of ammonia nitrogen waste water 0.5wt ‰ are added,
It is heated to 70 DEG C to stir 10 minutes, static 30 minutes, filters, remove filtering residue；
(3) by water by iron-carbon micro-electrolysis post wherein, iron-carbon micro-electrolysis column packing activated carbon: the volume ratio of iron filings is 4:1；
(4) physical and chemical index of the water quality after mensuration processes.
Comparative example 2
The processing method of a kind of ammonia nitrogen waste water, comprises the following steps:
(1) by the sodium bentonite of ammonia nitrogen waste water 3wt ‰, the flyash of 2wt ‰, the polyformaldehyde of 1.5wt ‰ and pending ammonia nitrogen
Waste water mixes, and stirs 1 hour under rotating speed 200r/min, filters, and removes filtering residue；
(2) Magnesium dichloride hexahydrate and the disodium hydrogen phosphate of ammonia nitrogen waste water 0.3wt ‰ of ammonia nitrogen waste water 0.5wt ‰ are added,
Sonic oscillation 20 minutes, regulates pH value with sodium hydroxide solution simultaneously；
(3) add the sodium silicate of ammonia nitrogen waste water 0.2wt ‰, the osseocolla of 0.3wt ‰ and the sodium alginate of 0.4wt ‰, be heated to 70
DEG C stirring 10 minutes, static 30 minutes, filter, remove filtering residue；
(4) physical and chemical index of the water quality after mensuration processes.
The waste water every physical and chemical index after this method processes see table, it may be seen that the removal of this method ammonia nitrogen
Effect is remarkable, clearance is up to 99.9%, almost can remove completely, and residual phosphorus content is only 31.5mg/L, it is to avoid P elements
Secondary pollution to water quality, meanwhile, good to the removal effect of COD, clearance is up to 95.1%, the comprehensive treatment capability to waste water
By force, effect is good.
The part physical and chemical index of water quality after table 1 process
| Ammonia nitrogen removal frank (%) | Residual phosphorus content (mg/L) | COD clearance (%) | |
| Embodiment 1 | 99.8 | 33.9 | 94.4 |
| Embodiment 2 | 99.8 | 33.1 | 94.9 |
| Embodiment 3 | 99.9 | 32.3 | 94.7 |
| Embodiment 4 | 99.9 | 31.5 | 95.1 |
| Embodiment 5 | 99.8 | 32.4 | 94.5 |
| Comparative example 1 | 93.6 | 34.2 | 92.3 |
| Comparative example 2 | 97.5 | 48.1 | 86.4 |
Note: ammonia-nitrogen content is initially 953mg/L.
Claims (5)
1. the processing method of an ammonia nitrogen waste water, it is characterised in that: comprise the following steps:
(1) by the sodium bentonite of ammonia nitrogen waste water 1-3wt ‰, the flyash of 1-2wt ‰, the polyformaldehyde of 0.5-1.5wt ‰ with treat
Process ammonia nitrogen waste water mixes, and stirs 1-2 hour under rotating speed 200-300r/min, filters, and removes filtering residue；
(2) Magnesium dichloride hexahydrate and the 12 water phosphorus of ammonia nitrogen waste water 0.1-0.3wt ‰ of ammonia nitrogen waste water 0.2-0.5wt ‰ are added
Acid disodium hydrogen, sonic oscillation 20-40 minute, simultaneously with sodium hydroxide solution regulation pH value to 7.5-8.5；
(3) sodium silicate of ammonia nitrogen waste water 0.1-0.2wt ‰, the osseocolla of 0.1-0.3wt ‰ and the Sargassum of 0.2-0.4wt ‰ are added
Acid sodium, is heated to 70-80 DEG C and stirs 10-20 minute, static 30-60 minute, filter, remove filtering residue；
(4) by water by iron-carbon micro-electrolysis post, wherein, iron-carbon micro-electrolysis column packing activated carbon: the volume ratio of iron filings is 4:1-2:
1；
(5) physical and chemical index of the water quality after mensuration processes.
The processing method of a kind of ammonia nitrogen waste water the most according to claim 1, it is characterised in that: described step (1) medium speed
For 250r/min, mixing time is 1.5 hours.
The processing method of a kind of ammonia nitrogen waste water the most according to claim 1, it is characterised in that: vibration in described step (2)
Time is 30 minutes.
The processing method of a kind of ammonia nitrogen waste water the most according to claim 1, it is characterised in that: heating in described step (3)
To 75 DEG C, mixing time is 15 minutes, and time of repose is 40-50 minute.
The processing method of a kind of ammonia nitrogen waste water the most according to claim 1, it is characterised in that: ferrum carbon in described step (4)
Light electrolysis column packing activated carbon: the volume ratio of iron filings is 3:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610673611.1A CN106186461A (en) | 2016-08-17 | 2016-08-17 | A kind of processing method of ammonia nitrogen waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610673611.1A CN106186461A (en) | 2016-08-17 | 2016-08-17 | A kind of processing method of ammonia nitrogen waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106186461A true CN106186461A (en) | 2016-12-07 |
Family
ID=57521753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610673611.1A Withdrawn CN106186461A (en) | 2016-08-17 | 2016-08-17 | A kind of processing method of ammonia nitrogen waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106186461A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701495A (en) * | 2012-06-25 | 2012-10-03 | 杨德敏 | Treatment device and treatment method for organic wastewater difficult to degrade |
| CN102826697A (en) * | 2012-08-08 | 2012-12-19 | 青岛昊源环境工程技术有限公司 | Method and system for modularized combined treatment of high-difficulty organic waste water |
| US20150336830A1 (en) * | 2014-05-22 | 2015-11-26 | Dennis A. Burke | Removal and recovery of phosphate from liquid streams |
| CN105217864A (en) * | 2015-09-25 | 2016-01-06 | 浙江奇彩环境科技有限公司 | The treatment process of two cyanogen front-end volatiles waste water in Disperse Blue-60 production process |
-
2016
- 2016-08-17 CN CN201610673611.1A patent/CN106186461A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701495A (en) * | 2012-06-25 | 2012-10-03 | 杨德敏 | Treatment device and treatment method for organic wastewater difficult to degrade |
| CN102826697A (en) * | 2012-08-08 | 2012-12-19 | 青岛昊源环境工程技术有限公司 | Method and system for modularized combined treatment of high-difficulty organic waste water |
| US20150336830A1 (en) * | 2014-05-22 | 2015-11-26 | Dennis A. Burke | Removal and recovery of phosphate from liquid streams |
| CN105217864A (en) * | 2015-09-25 | 2016-01-06 | 浙江奇彩环境科技有限公司 | The treatment process of two cyanogen front-end volatiles waste water in Disperse Blue-60 production process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105923735B (en) | A kind of composite water treatment medicament and preparation method thereof based on ferrate | |
| CN104291538B (en) | A kind of cyaniding waste residue leaching liquor treatment process | |
| CN106348423B (en) | A kind of catalytic wet oxidation method of organic phosphorus compound in degrading pesticide waste water | |
| CN104828924B (en) | Composite dephosphorizing agent for treating phosphorus-containing wastewater and application method thereof | |
| CN101391851B (en) | Treatment process of p toluidine-containing high concentration refractory organic wastewater | |
| CN104402166A (en) | Industrial sewage treatment process | |
| CN102442748B (en) | Deep treatment method of naphthenic acid wastewater | |
| WO2019010835A1 (en) | Method for completely removing heavy metal ions in battery plant wastewater by using water-based foam system | |
| CN104176884A (en) | Cyanide-containing wastewater comprehensive treatment method | |
| CN109879386B (en) | Food industry wastewater treatment process | |
| CN104961272A (en) | Method for treating cyaniding tailing pulp in gold industry | |
| CN106365356B (en) | Method and device for treating organic pollutants in water by using tetra-amino iron ligand catalyst-strong basic resin composite system | |
| CN106186170A (en) | The adsorption method of copper ion in a kind of contaminant water | |
| CN104193122A (en) | Gold mine cyanided waste residue leaching solution treating method | |
| CN106186461A (en) | A kind of processing method of ammonia nitrogen waste water | |
| CN104828925B (en) | Solid-state heavy metal containing wastewater treatment agent and using method | |
| CN105174627A (en) | Method for treating 3,5,6-trichloropyridine-2-sodium alkoxide production waste water | |
| CN103641227A (en) | Method for eliminating heavy metal in industrial sewage | |
| CN107381740A (en) | phenol-containing waste water treatment agent | |
| CN101805079B (en) | Method for preprocessing waste water generated in ABS resin production | |
| CN104086053A (en) | Treatment method of low-concentration cyanide-containing wastewater in gold mine | |
| CN211734103U (en) | Copper ammonia complex effluent disposal system | |
| CN101519260A (en) | Molecular micro-electrolysis treatment method for dinitrodiazophenol wastewater | |
| CN106186110A (en) | A kind of novel source water organic matter removal agent | |
| CN106082549B (en) | The biophysics treatment process of electroplating wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161207 |