CN109867344A - A kind of processing method of landfill leachate - Google Patents
A kind of processing method of landfill leachate Download PDFInfo
- Publication number
- CN109867344A CN109867344A CN201910212713.7A CN201910212713A CN109867344A CN 109867344 A CN109867344 A CN 109867344A CN 201910212713 A CN201910212713 A CN 201910212713A CN 109867344 A CN109867344 A CN 109867344A
- Authority
- CN
- China
- Prior art keywords
- flocculant
- landfill leachate
- map
- reaction
- guanite
- 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.)
- Pending
Links
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of processing methods of landfill leachate, belong to field of environment engineering technology.The method of the present invention precipitates Combined Treatment landfill leachate using flocculant and MAP; it is crossed in Cheng Qian or reaction process in MAP precipitation reaction and flocculant is added; improve the effect of MAP processing landfill leachate; so that removal effect is obviously promoted; increase the biodegradability of later period Aerobic Process for Treatment, to provide more convenient effective foundation and means to reduce landfill leachate pollution on the environment and protection urban water-body.The method of the present invention processing landfill leachate can make ammonia nitrogen removal frank up to 86.94%, TOC removal rate up to 91.55%, and the MAP precipitating formed after processing can be recycled recycling, have sustainable regeneration, environmental-friendly advantage, have a extensive future.
Description
Technical field
Present invention relates particularly to a kind of processing methods of landfill leachate, belong to field of environment engineering technology.
Background technique
With the quickening of urbanization process, the expansion of city size and the improvement of people's living standards, domestic waste
Yield improve year by year.Since the 1980s, China's house refuse year yield is average is increased with 8~10% rate
It is long.A large amount of landfill leachate is thereby produced, serious secondary pollution problem is caused.Due to the complexity of leachate quality,
High pollution and mutability bring huge difficulty to the processing of percolate.And existing percolate mostly uses greatly outward transport
Mode is handled, and processing cost is first increased, and second increases the operating load of its processing system.As it can be seen that China's percolate
Processing faces enormous challenge, developing effective treatment process in time is still a very urgent and important environmentally friendly task.
Therefore, following two points problem just is brought, is first exactly that ammonia-nitrogen content in landfill leachate is very high.Garbage filter
Liquid is a kind of high concentrated organic wastewater, and ammonia-nitrogen content is high.And excessively high ammonia nitrogen will increase biochemical treatment load, lead to C/N ratio
It is too low, cause nutritive proportion in percolate to lack of proper care, the high concentration free ammonia of generation generates inhibiting effect to microorganism, seriously affects
The normal operation of biochemical treatment system.
Followed by, largely the generation of the percolate containing high concentration dissolubility organic pollutant (DOM) is that garbage loading embeading is deposited
A main problem.Studies have shown that main dissolubility pollutant difficult to degrade is humic acid.Humic acid affects significantly
The behavior of many pollutants in nature
Percolate from garbage filling field mainly contains the refractory organic of high concentration --- humic acid and ammonia nitrogen, wherein
Humic acid is difficult to effectively remove by biochemical and conventional physicochemical techniques, and landfill leachate middle and high concentration ammonia nitrogen can inhibit microorganism
Activity, and will lead to the eutrophication problem of environment water.Therefore it is directly handled using biological method and is difficult to make landfill leachate
Standard water discharge discharge, and deep treatment method is the key that realize treatment and qualified discharge of garbage leachate.
Summary of the invention
To solve the above-mentioned problems, garbage filter is effectively treated using a kind of optimal materialization joint processing technology in the present invention
Liquid, the changing rule of humic acid and other pollutants in primary study treatment process realize process optimization by optimization design,
And study on mechanism is tentatively carried out, to be provided to reduce landfill leachate pollution on the environment and protection urban water-body
More detailed reliable foundation and more convenient effective foundation and means.The present invention is exceeded for landfill leachate water outlet ammonia nitrogen
Processing method, by guanite (MAP) precipitating with the united method of flocculant come improve MAP handle landfill leachate effect
Fruit, so that removal effect is obviously promoted.
The first purpose of the invention is to provide a kind of processing method of landfill leachate, the method is to utilize flocculant
Combined Treatment landfill leachate is precipitated with MAP, and it is to cross Cheng Qian or anti-in MAP precipitation reaction that the flocculant and MAP precipitating, which are combined,
Flocculant should be added in the process.
In one embodiment of the invention, the flocculant includes aluminium polychloride (PAC) and bodied ferric sulfate
One or both of (PFS).
In one embodiment of the invention, the dosage of the flocculant is 10-60mg/L.
In one embodiment of the invention, the preferred 30-50mg/L of the dosage of the flocculant.
In one embodiment of the invention, the nitrogen source (NH of the MAP precipitating3- N) with phosphorus source (P), magnesium source (Mg)
Molar ratio is 1:(0.8-1.5): (0.8-1.5).
In one embodiment of the invention, the microcosmic salt is disodium hydrogen phosphate, sodium phosphate, sodium dihydrogen phosphate, phosphoric acid
One of or it is a variety of.
In one embodiment of the invention, the magnesium salts is one or both of magnesium chloride, magnesium sulfate.
In one embodiment of the invention, when adding flocculant during MAP precipitation reaction, the pH of MAP reaction
It is 9.5~10.
In one embodiment of the invention, the total nitrogen content of the landfill leachate is more than 500mg/L, wherein ammonia nitrogen
Concentration is greater than the 70% of total nitrogen.
In one embodiment of the invention, the pH of the landfill leachate is 7-8.
In one embodiment of the invention, the method also includes:
When total nitrogen content is lower than 500mg/L or ammonia nitrogen concentration is lower than the 70% of total nitrogen concentration, using bioprocess technology side
Method Combined Treatment.
In one embodiment of the invention, the life of microorganism is utilized when the bioprocess technology method refers to bioanalysis
Activity makes the ammonia nitrogen in waste water finally be changed into harmless nitrogen discharge by series reactions such as ammonification, nitrification, denitrifications.
In one embodiment of the invention, the bioprocess technology method includes biological nitrification and denitrification technology, synchronization
Nitration denitrification technology, short-cut nitrification and denitrification technology, Anammox technology.
A second object of the present invention is to provide a kind of method of raising MAP precipitating sewage removal ability, the method is
Flocculant is being added using when MAP reacts preceding or reaction.
In one embodiment of the invention, the flocculant includes aluminium polychloride (PAC) and bodied ferric sulfate
One or both of (PFS).
Third object of the present invention is to provide the processing method of a kind of industrial wastewater or sanitary sewage, the method is benefit
It is handled in aforementioned manners.
Fourth object of the present invention is that the above method is applied in environment protection field.
Beneficial effects of the present invention:
Flocculant will be added and the high ammonia nitrogen that can have in processing landfill leachate is used in combination in two methods of MAP precipitating.Together
When flocculant add can strengthen MAP removal ammonia nitrogen effect, increase later period Aerobic Process for Treatment biodegradability, to for reduction
Landfill leachate pollution on the environment and protection urban water-body provide more convenient effective foundation and means.
Using the high ammonia nitrogen in method processing landfill leachate of the invention, wherein ammonia nitrogen removal frank is 80% or more,
It is higher by reachable 86.94%；TOC removal rate is higher up to 91.55% 90% or more.The MAP precipitating formed after processing can be with
Recycling and reusing is carried out, there is sustainable regeneration, environmental-friendly advantage.
Detailed description of the invention
The TOC and SUV254 of Fig. 1: embodiment 1-4 and reference examples 1-3 processing gained water sample go division result；
The ammonia nitrogen removal result of Fig. 2: embodiment 1-4 and reference examples 1-3 processing gained water sample；
Fig. 3: influence of the flocculant dosage to the removal effect of TOC, SUV254, ammonia nitrogen.
Specific embodiment
The measurement of total nitrogen: under the conditions of 120 DEG C~124 DEG C of alkaline matrix, make oxidant with potassium peroxydisulfate.Then, it uses
Ultraviolet spectrophotometry goes out to measure its absorbance A (220), A (275) respectively at wavelength 220nm and 275nm, and nitre is calculated as follows
The absorbance of hydrochlorate nitrogen:
A=A (220) -2*A (275)；
Total nitrogen content is calculated, molar absorptivity coefficient is 1.47 × 103.
The measurement of ammonia nitrogen: mercuric iodixde and the alkaline solution of potassium iodide react with ammonia and generate light red brown colloidal state compound, this
Color its strong suction in wider wavelength, measures absorbance with ultraviolet specrophotometer at wavelength 425nm.The minimum inspection of this law
Concentration is 0.025mg/L, determination of the upper limit 2mg/L out.This law can be used in surface water, underground water, industrial wastewater and sanitary sewage
The measurement of middle ammonia nitrogen.
The measurement of total organic carbon: water sample uses centrifuge, and revolving speed 8000r/min is centrifuged 5min.Centrifuged supernatant is taken,
It is filtered with 0.45 μm of filter membrane.Filtered water sample uses the total organic carbon analyzer of Thermo after suitably diluting
It is measured.
The measurement of SUV254: SUV254 value is absorbance of some organic matters under 254nm length ultraviolet light in water, reflection
Be naturally occurring Humus larger molecular organics and the aromatic compound of double bond containing C=C and C=O double bond in water
Number.Unit AU/cm.Cooperate content of COD, TOC instrument as carbon source in water.
Embodiment 1:
200ml landfill leachate (corresponding water quality characteristic is as shown in table 1) is taken, the PAC that concentration is 30mg/L is added, uses magnetic force
It stirs it and stirs 10min, stand 30min and take supernatant after reaction；According to NH3The ratio of-N/P/Mg=1/1/1 adds
Magnesium chloride and disodium hydrogen phosphate are reacted, with magnetic stirrer 10min, stand 30min and take supernatant after reaction
Liquid crosses 0.45 μm of filter membrane, water sample after being handled.To treated, water sample is measured analysis, and removal the results are shown in Table 2.
1 landfill leachate water quality characteristic of table
Embodiment 2:
Referring to embodiment 1, flocculant is replaced with into PFS by PAC, other conditions are constant, specifically:
200ml landfill leachate is taken, the PFS that concentration is 30mg/L is added, it stirs 10min with magnetic agitation, stands
30min takes supernatant after reaction；According to NH3The ratio of-N/P/Mg=1/1/1 add magnesium chloride and disodium hydrogen phosphate into
Row reaction is stood 30min and is taken supernatant to cross 0.45 μm of filter membrane after reaction, obtained everywhere with magnetic stirrer 10min
Water sample after reason.To treated, water sample is measured analysis, and removal the results are shown in Table 2.
Embodiment 3:
Referring to embodiment 1, when changing into MAP reaction before only reacting the flocculant concentration time by MAP, other conditions are not
Become, specifically:
Take 200ml landfill leachate, MAP reaction when add concentration be 30mg/L flocculant PAC, with magnetic agitation its
10min is stirred, 30min is stood and takes supernatant after reaction, according to NH3The ratio of-N/P/Mg=1/1/1 adds magnesium chloride
It is reacted with disodium hydrogen phosphate, with magnetic stirrer 10min, stand 30min and take supernatant mistake after reaction
0.45 μm of filter membrane, water sample after being handled.To treated, water sample is measured analysis, and removal the results are shown in Table 2.
Embodiment 4:
Referring to embodiment 3, flocculant is only changed into PFS by PAC, other conditions are constant, specifically:
200ml landfill leachate is taken, MAP adds the flocculant PFS that concentration is 30mg/L when reacting, it is stirred with magnetic agitation
10min is mixed, 30min is stood.After reaction, supernatant is taken；According to NH3The ratio of-N/P/Mg=1/1/1 add magnesium chloride and
Disodium hydrogen phosphate is reacted, and with magnetic stirrer 10min, is stood 30min and is taken supernatant to cross 0.45 μ after reaction
M filter membrane, water sample after being handled.To treated, water sample is measured analysis, and removal the results are shown in Table 2.
Reference examples 5:
Referring to embodiment 1, flocculant is replaced with into PAM by PAC, other conditions are constant, water sample after being handled.To processing
Water sample afterwards is measured analysis, and removal the results are shown in Table 2.
Reference examples 1:
Referring to embodiment 1, omission adds flocculant step, directly in 200ml landfill leachate, according to NH3-N/P/Mg
=1/1/1 ratio adds magnesium chloride and disodium hydrogen phosphate is reacted, with magnetic stirrer 10min, 30min is stood,
After reaction, supernatant is taken to cross 0.45 μm of filter membrane, water sample after being handled.To treated, water sample is measured analysis, goes
Division result is shown in Table 2.
Reference examples 2:
Referring to embodiment 1, MAP depositing technology is omitted, the PAC that concentration is 30mg/L is added in 200ml landfill leachate,
With magnetic agitation, it stirs 10min, stands 30min and takes supernatant to cross 0.45 μm of filter membrane, water after being handled after reaction
Sample.To treated, water sample is measured analysis, and removal the results are shown in Table 2.
Reference examples 3:
Referring to embodiment 1, MAP depositing technology is omitted, the PFS that concentration is 30mg/L is added in 200ml landfill leachate,
With magnetic agitation, it stirs 10min, stands 30min and takes supernatant to cross 0.45 μm of filter membrane, water after being handled after reaction
Sample.To treated, water sample is measured analysis, and removal the results are shown in Table 2.
Reference examples 4:
Flocculant is added after MAP reaction:
In 200ml landfill leachate, according to NH3The ratio of-N/P/Mg=1/1/1 adds magnesium chloride and disodium hydrogen phosphate
It is reacted, with magnetic stirrer 10min, stand 30min and take clear liquid after reaction；Then adding concentration is
The PAC of 30mg/L, with magnetic agitation, it stirs 10min, stands 30min and takes supernatant to cross 0.45 μm of filter membrane after reaction,
Water sample after being handled.To treated, water sample is measured analysis, and removal the results are shown in Table 2.
Landfill leachate goes division result in table 2 embodiment 1-5 and reference examples 1-4
| TOC removal rate (%) | NH3- N removal rate (%) | SUV254Removal rate (%) | |
| Embodiment 1 | 87.80 | 80.41 | 52.23 |
| Embodiment 2 | 72.23 | 59.39 | 53.98 |
| Embodiment 3 | 75.88 | 70.12 | 59.24 |
| Embodiment 4 | 80.95 | 46.73 | 60.25 |
| Embodiment 5 | 60.37 | 35.51 | 40.52 |
| Reference examples 1 | 15.84 | 43.21 | 10.43 |
| Reference examples 2 | 62.92 | 7.99 | 31.57 |
| Reference examples 3 | 66.70 | 13.21 | 35.56 |
| Reference examples 4 | 20.66 | 52.22 | 13.51 |
MAP precipitating is directly carried out to landfill leachate it can be seen that not adding flocculant in conjunction with the embodiments with reference examples
When, ammonia nitrogen removal frank only has 43.21%, and the removal rate for TOC is 15.84%.
Flocculant is added before MAP reaction, and the removal rate of TOC and NH3-N are improved, and have been respectively increased 87.79%
With 80.41%.
Adding flocculant, PAC and PFS in MAP reaction is respectively 75.88% and 80.94% to the removal rate of TOC, right
70.12% and 46.73% has been respectively increased in the removal rate of ammonia nitrogen.PFS to the removal effect ratio PAC high of TOC 5.06%, but
Removal effect ratio PFS high 24.61% of the PAC for ammonia nitrogen.Meanwhile being also observed that during experiment, PAC is as wadding
When solidifying agent, the floccule of formation is more densely cross-linked, and as gradually change is clear and precipitation volume is bright by muddiness for the carry out water sample of sedimentation
It is aobvious to be less than PFS.
It will be seen from figure 1 that individually adding PAC or PFS, PFS is better than PAC to the removal effect of TOC.But it carries out again later
MAP precipitation reaction, PAC can be higher than PFS for the removal effect of TOC.As seen from Figure 2, although adding PAC and MAP precipitating
Method can remove the TOC in landfill leachate, but their removal type is not identical.PAC is added for the removal rate of TOC
It is higher than the MAP precipitation method, but the MAP precipitation method are lower than for the removal rate of SUV254.
Can be seen that the type that adds in addition to flocculant according to Fig. 1 and Fig. 2, the dosing method of flocculant also can to TOC and
The removal effect of SUV254 and NH3-N has an impact.Flocculant is added before MAP reaction, and the removal rate of TOC and NH3-N are equal
It is improved, 87.79% and 80.41% has been respectively increased.The removal of flocculant, PAC and PFS to TOC is added in MAP reaction
Rate is respectively 75.88% and 80.94%, and 70.12% and 46.73% has been respectively increased to the removal rate of ammonia nitrogen.PFS is to TOC
Removal effect ratio PAC high 5.06%, but PAC is for the removal effect ratio PFS high 24.61% of ammonia nitrogen.It is anti-in MAP precipitating
Flocculant is added before answering, landfill leachate pH=7.8 is suitble to flocculant to carry out flocculation reaction；It is thrown during MAP precipitation reaction
Add flocculant, the Optimal pH of MAP reaction is generally 9.5~10, and pH sodium hydroxide is adjusted to 9.5~10, excessively high at this time
PH can generate Al (OH)3So that part PAC fails, causes flocculant to be lower than the removal rate of TOC and added before MAP precipitation reaction
Flocculant.
Embodiment 6:
Referring to embodiment 1, changes flocculant dosage, probes into influence of the flocculant of different amounts to MAP removal effect:
200ml landfill leachate is taken, adding concentration before MAP reaction is respectively 10mg/L, 20mg/L, 40mg/L, 50mg/
The flocculant of L, 60mg/L, with magnetic agitation, it stirs 10min, stands 30min.After reaction, a small amount of supernatant mistake is taken
0.45 μm of filter membrane, remaining supernatant add magnesium chloride according to the ratio of NH3-N/P/Mg=1/1/1 and disodium hydrogen phosphate carry out
Reaction, with magnetic stirrer 10min, stand 30min.After reaction, supernatant is taken to cross 0.45 μm of filter membrane, respectively
Water sample after to different disposal.To treated, water sample is measured analysis, and removal the results are shown in Table 3.
The flocculant process water sample of 3 different amounts of table goes division result
| Flocculant usage (mg) | TOC removal rate (%) | NH3- N removal rate (%) | SUV254Removal rate (%) |
| 10 | 66.11 | 69.94 | 46.63 |
| 20 | 77.68 | 75.86 | 50.54 |
| 30 | 87.80 | 80.42 | 52.23 |
| 40 | 91.55 | 86.94 | 50.34 |
| 50 | 85.69 | 79.46 | 52.30 |
| 60 | 80.63 | 77.76 | 53.31 |
In conjunction with Fig. 3 it is found that the dosage of flocculant has flocculating effect very big influence, different flocculant concentrations pair
The removal effect of TOC and SUV254 and ammonia nitrogen in landfill leachate are as shown in Figure 3.When flocculant dosage increases from 10mg/L
When being added to 40mg/L, 17.01% and 25.44% has been respectively increased in the removal rate of ammonia nitrogen and TOC；And reach most in 40mg/L
The removal rate of big value, ammonia nitrogen and TOC are respectively 86.94% and 91.55%；Flocculant dosage is continued growing, when dosage is
When 60mg/L, the removal rate of ammonia nitrogen and TOC drop to 77.76% and 80.63% respectively, compared to dosage be 40mg/L when,
The removal rate of ammonia nitrogen and TOC have dropped 9.18% and 10.92% respectively.
Claims (10)
1. a kind of processing method of landfill leachate, which is characterized in that the method is to utilize flocculant and guanite precipitating connection
Processing landfill leachate is closed, it is to cross Cheng Qian or reaction process in guanite precipitation reaction that the flocculant and guanite precipitating, which are combined,
Middle addition flocculant.
2. the method according to claim 1, wherein the flocculant includes aluminium polychloride, bodied ferric sulfate
One or both of.
3. method according to claim 1 or 2, which is characterized in that the dosage of the flocculant is 10-60mg/L.
4. according to the method described in claim 3, it is characterized in that, the dosage of the flocculant is 30-50mg/L.
5. method according to claim 1 to 4, which is characterized in that nitrogen source, the phosphorus source, magnesium source of the guanite precipitating
Molar ratio be 1:(0.8-1.5): (0.8-1.5).
6. -5 any method according to claim 1, which is characterized in that when adding wadding during guanite precipitation reaction
Solidifying agent, the pH of guanite precipitation reaction are 9.5~10.
7. -6 any method according to claim 1, which is characterized in that the total nitrogen content of the landfill leachate is more than
500mg/L, wherein ammonia nitrogen concentration is greater than the 70% of total nitrogen.
8. a kind of method for improving guanite precipitating sewage removal ability, which is characterized in that the method is precipitated in guanite
Flocculant is added before reaction or when reaction.
9. the processing method of a kind of industrial wastewater or sanitary sewage, which is characterized in that the method is appointed using claim 1-7
Method described in one is handled.
10. application of the method described in claim 1-9 in environment protection field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212713.7A CN109867344A (en) | 2019-03-20 | 2019-03-20 | A kind of processing method of landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212713.7A CN109867344A (en) | 2019-03-20 | 2019-03-20 | A kind of processing method of landfill leachate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109867344A true CN109867344A (en) | 2019-06-11 |
Family
ID=66920816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910212713.7A Pending CN109867344A (en) | 2019-03-20 | 2019-03-20 | A kind of processing method of landfill leachate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109867344A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467273A (en) * | 2019-08-27 | 2019-11-19 | 暨南大学 | The Ecotoxicology and biodegradability evaluation method of a kind of landfill leachate concentration liquid and its application |
| CN114315028A (en) * | 2021-12-29 | 2022-04-12 | 中铁二局集团有限公司 | Landfill leachate treatment process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103172217A (en) * | 2013-02-26 | 2013-06-26 | 吉林市环境保护科学研究院 | Large-scale livestock breeding sewage treatment method and equipment |
| CN108328813A (en) * | 2018-04-25 | 2018-07-27 | 北京环境工程技术有限公司 | A kind of coagulating sedimentation joint struvite crystallization method nanofiltration concentrate processing unit and technique |
-
2019
- 2019-03-20 CN CN201910212713.7A patent/CN109867344A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103172217A (en) * | 2013-02-26 | 2013-06-26 | 吉林市环境保护科学研究院 | Large-scale livestock breeding sewage treatment method and equipment |
| CN108328813A (en) * | 2018-04-25 | 2018-07-27 | 北京环境工程技术有限公司 | A kind of coagulating sedimentation joint struvite crystallization method nanofiltration concentrate processing unit and technique |
Non-Patent Citations (2)
| Title |
|---|
| 商平等: "《PAC与PFS复合混凝/沉淀法预处理垃圾渗滤液》", 《中国给水排水》 * |
| 商平等: "《鸟粪石结晶法去除垃圾渗滤液中NH4-N的效果研究》", 《环境污染与防治》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467273A (en) * | 2019-08-27 | 2019-11-19 | 暨南大学 | The Ecotoxicology and biodegradability evaluation method of a kind of landfill leachate concentration liquid and its application |
| CN110467273B (en) * | 2019-08-27 | 2021-08-24 | 暨南大学 | Evaluation method for microbial toxicity and biodegradability of landfill leachate concentrated solution and application thereof |
| CN114315028A (en) * | 2021-12-29 | 2022-04-12 | 中铁二局集团有限公司 | Landfill leachate treatment process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| De Carluccio et al. | Multi-barrier treatment of mature landfill leachate: effect of Fenton oxidation and air stripping on activated sludge process and cost analysis | |
| CN101229944A (en) | Intensified biological treatment method for high strength ammonia wastewater | |
| CN101434445A (en) | Processing system and operation method for phosphor-containing organic wastewater | |
| CN103496787A (en) | Biochemical simultaneous phosphorus and nitrogen removal method of domestic sewage | |
| Kabdasli et al. | Characterization and treatment of textile printing wastewaters | |
| CN103739173A (en) | Kitchen wastewater treatment method | |
| CN109867344A (en) | A kind of processing method of landfill leachate | |
| CN116040862A (en) | Municipal wastewater treatment system and method | |
| CN102259964B (en) | In-situ enhanced treatment composite agent synergic with inherent pollutant components in printing and dyeing wastewater | |
| He et al. | Understanding the effect of residual aluminum salt coagulant on activated sludge in sequencing batch reactor: Performance response, activity restoration and microbial community evolution | |
| CN101659502A (en) | Method for treating waste leachate by utilizing high denitrification shared type Orbal oxidation ditch | |
| CN101955279B (en) | Advanced treatment method of industrial waste water by combining catalysis internal electrolysis, coupling, oxidization and flocculation | |
| Li et al. | Advanced treatment of low-pollution and poor biodegradability sewage by combined process | |
| CN109320017A (en) | A kind of processing method of landfill leachate | |
| CN107963709A (en) | A kind of high-efficiency sewage dephosphorization agent and its application in municipal wastewater advanced treating | |
| KR100342667B1 (en) | Nitrogen and phosphorus removal method for advanced treatment of livestock wastewater or manure in liquid corrosion method | |
| CN106746179A (en) | A kind of processing method of organic matter and ferrimanganic excessive source water | |
| CN108558086B (en) | Combined process for removing hexavalent selenium in water | |
| CN216764640U (en) | Red mud leachate biochemical treatment system | |
| CN105060486A (en) | Novel technology for treating low-carbon-nitrogen-ratio domestic sewage | |
| CN101830601A (en) | Biological treatment system and method thereof specific to industrial wastewater of fluorescent brightener | |
| Wang et al. | Using potassium ferrate as advanced treatment for municipal wastewater | |
| CN212425594U (en) | System for realizing anaerobic ammonia oxidation denitrification of low-ammonia-nitrogen wastewater by using side anaerobic high-pH and FA to inhibit NOB | |
| KR20000060026A (en) | Advanced treatment apparatus and method in wastewater using anaerobic reactor with iron media and anoxic-aerobic recycling process | |
| CN105923761B (en) | A kind of method of ferrous salt reinforced phosphor-removing in denitrification dephosphorization sludge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190611 |