CN106477725A - A kind of artificial swamp compounded mix for rural domestic sewage treatment - Google Patents
A kind of artificial swamp compounded mix for rural domestic sewage treatment Download PDFInfo
- Publication number
- CN106477725A CN106477725A CN201610894592.5A CN201610894592A CN106477725A CN 106477725 A CN106477725 A CN 106477725A CN 201610894592 A CN201610894592 A CN 201610894592A CN 106477725 A CN106477725 A CN 106477725A
- Authority
- CN
- China
- Prior art keywords
- artificial swamp
- oyster shell
- compounded mix
- zeolite
- extra large
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
-
- 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
Abstract
The invention discloses a kind of artificial swamp compounded mix for rural domestic sewage treatment, the artificial swamp compounded mix by extra large oyster shell, give up haydite and zeolite is made.With waste of aquatic sea oyster shell, industrial waste pottery, zeolite as primary raw material, through being machined into suitable size particles, 3 20mm of particle size range, filling mode is the compounded mix of the present invention：Lower floor's packing material size is big, and upper strata packing material size is little.Preferably, the mixing quality ratio of extra large oyster shell, useless haydite and zeolite is (3～4):2:1.
Description
Technical field
The invention belongs to field of water pollution control, and in particular to a kind of artificial swamp for rural domestic sewage treatment is multiple
Close filler.
Background technology
Artificial marsh sewage treatment system is a kind of sewage disposal technology that 20 century 70s grow up, because having place
Reason effect good, build and operating cost low, easy to maintain management the advantages of and be subject to the most attention of countries in the world, become in recent years
To develop a kind of New Technology about Wastewater Treatment faster.It is now widely used for eutrophication water, percolate, livestock and poultry cultivation
Waste water, food wastewater etc. are administered.
Filler is the important component part of artificial swamp, be wetland plant, microorganism provide growing environment, its own
Take part in the processes such as artificial swamp filtration, absorption, microbial degradation.So the packing screening of high-efficiency and economic and configuration, directly
The denitrogenation dephosphorizing efficiency of artificial swamp is determined, so as to repairing effect of the system to polluted-water is affected, thus is had very heavy
The meaning that wants.
Traditional Man wet land filler is many based on soil, quartz sand, gravel etc., but due to these material absorption properties relatively
Difference, after operation a period of time, filler progressivelyes reach saturation to the absorption of nitrogen phosphorus to artificial swamp, and its clearance begins to decline.Mesh
Before, Traditional Man wet land filler is substituted using the high-efficiency artificial such as haydite, modified zeolite, activated carbon adsorption stuffing, is achieved preferably
Treatment effect, but relatively costly due to these fillers, it is difficult to carry out large-area promotion and application in Practical Project.
Extra large oyster shell is coastal area of china aquaculture and industrial refuse with waste ceramic respectively.In recent years, as coastal aquatic products is supported
Grow the expansion of the market demand, the production of extra large oyster, processing, substantial amounts of discarded object-sea oyster shell is generated, causes coastal rural environments
Pollution；Meanwhile, as development of industry in China, industrial refuse (including a large amount of waste ceramics) increase severely, exacerbate environmental protection cost.On
State that bi-material discharge capacity is big, effective rate of utilization is not high, be badly in need of opening up new utilization ways.
Content of the invention
It is an object of the invention to, overcome the defect of existing Performance of Constructed Wetlands Substrates, provide a kind of efficient, economical for
The artificial swamp compounded mix of rural domestic sewage treatment.
A kind of artificial swamp compounded mix for rural domestic sewage treatment, the artificial swamp compounded mix is by extra large oyster
Shell, useless haydite and zeolite are made.
The compounded mix of the present invention with waste of aquatic sea oyster shell, industrial waste pottery, zeolite as primary raw material, Jing Guoji
Tool is processed into suitable size particles, particle size range 3-20mm, and filling mode is：Lower floor's packing material size is big, and upper strata packing material size is little.
Preferably, the mixing quality ratio of extra large oyster shell, useless haydite and zeolite is (3～4):2:1.
It is further preferred that the artificial swamp compounded mix is made up of extra large oyster shell, useless haydite and zeolite, mixing quality ratio
For 3：2：1.
Or：The artificial swamp compounded mix is made up of extra large oyster shell, useless haydite and zeolite, and mixing quality ratio is 4：2：1.
Extra large oyster shell is coastal area of china aquaculture and industrial refuse with waste ceramic respectively.Wide material sources, rich and easy to get, respectively
Can obtain from coastal cultivation market and trade waste.
The present invention is in laboratory conditions individually to extra large oyster shell, industrial waste pottery and three kinds of people being widely used
Work wet land filler has carried out nitrogen phosphorus absorption property comparative test, and research finds that the ammonia nitrogen absorption ability of 5 kinds of materials is followed successively by：Zeolite
＞ sea oyster shell ＞ waste ceramic ＞ volcanic rock ＞ gravel, wherein zeolite, extra large oyster shell and waste ceramic are respectively to the adsorbance of ammonia nitrogen
12.03g·kg-1、0.56g·kg-1With 0.38g kg-1, it is respectively provided with stronger denitrification ability；And 5 kinds of fillers inhale phosphorus ability successively
For：Extra large oyster shell ＞ waste ceramic ＞ volcanic rock ＞ zeolite ＞ gravel, wherein extra large oyster shell is 18.10g kg to the adsorbance of phosphorus element-1,
Other materials is far longer than, waste ceramic is 0.90g kg to the adsorbance of phosphorus element-1, also show preferable dephosphorization ability；5 kinds
Filling adsorption COD ability is followed successively by：Zeolite ＞ waste ceramic ＞ volcanic rock ＞ sea oyster shell ＞ gravel, zeolite to COD adsorbance is
6.1g·kg-1.
But find through experiment, as the alkalescence of extra large oyster shell is relatively strong (pH=9-10), individually using extra large oyster shell as artificial swamp
Filler can cause water outlet pH value to raise, and can suppress the growth of plant and microorganism in wetland.Therefore by extra large oyster shell (pH=9-
10), waste ceramic (pH=6-8) and the mixing filling of zeolite (pH=5-6) novelty, that is, meet attached growth of microorganisms, ensure again
Compounded mix stronger nitrogen phosphorus adsorption capacity.Respectively to zeolite-sea oyster shell, waste ceramic-sea oyster shell, zeolite-waste ceramic-sea oyster
Shell is combined as artificial swamp compounded mix, has been carried out Organic Pollutants and has been removed comparative experiments.It was found that zeolite-sea oyster shell, extra large oyster
The removal efficiency of nitrogen and phosphorus of shell-waste ceramic-combination of zeolites filler is far longer than single zeolite, extra large oyster shell and waste ceramic filler.Wherein
Zeolite-waste ceramic-sea oyster shell combined stuffing effect is the most notable, and the adsorbance to ammonia nitrogen and phosphorus element has respectively reached 15.10g
kg-1With 20.08g kg-1；In addition, also there is good adsorption capacity to the metallic element in water body, wherein to Fe3+、Zn2+
And Cu2+Adsorbance be respectively 28.8g kg-1、36.2g·kg-1With 31.12g kg-1.
On this basis, proportioning of the present invention also to each Cheng Fei in zeolite-waste ceramic-sea oyster shell combination is optimized reality
Test, experiment finds that the mixing quality ratio of extra large oyster shell, useless haydite and zeolite is (3～4):2:To each pollutant component in water body when 1
Adsorption effect is better than other proportionings, when mass ratio is 3:2:1 and 4:2:When 1, effect is the most notable.Mass ratio is 3:2:When 1, warp
Cross after patent of the present invention processes, the clearance of ammonia nitrogen, total nitrogen and total phosphorus is all more than 85%, COD in water outlet, ammonia nitrogen, total
Nitrogen and total phosphorus concentration are respectively lower than 12.2mg L-1、0.41mg·L-1、0.43mg·L-1With 0.06mg L-1；Mass ratio is 4:
2:When 1, after patent of the present invention is processed, the clearance of ammonia nitrogen, total nitrogen and total phosphorus all more than 85%, COD in water outlet,
Ammonia nitrogen, total nitrogen and total phosphorus concentration are respectively lower than 11.1mg L-1、0.39mg·L-1、0.44mg·L-1With 0.07mg L-1.
Patent of the present invention has advantages below compared with prior art：
(1) by experimental studies have found that the extra large oyster shell-haydite-zeolite combined packing that gives up has the structure of porous, larger ratio
Surface area is conducive to the attachment of microorganism and growth, and then is conducive to absorption and the degradation of the organic matters such as nitrogen phosphorus, and waterpower is special
Property good, be that better suited artificial swamp builds filler.
(2) as extra large oyster shell, this obsolete material of waste ceramic is employed, the environmental problem of presence is solved, is also saved significantly
The construction cost of artificial swamp is saved, and has achieved the high-efficiency resource recycling of culture fishery, solid waste.
(3) compounded mix chemical stability is strong, not dissolution harm growth of microorganism, the harmful substance of degradation function, will not
To environment；And the element such as the calcium of high level, potassium and magnesium in extra large oyster shell, waste ceramic, the suction of nitrogen phosphorus can be effectively facilitated
Be accompanied by and microorganism flourish.
Specific embodiment
The present invention is described in further details below by embodiment：
Embodiment 1
By extra large oyster shell, useless haydite and zeolite with mass ratio 3:2:1 mixing, using being machined into 3-20mm particles.
At 25 DEG C of average temperature, for vertical subsurface flow wetland water exit mode, wet land system area is 5m2, plant wetland plant
For calamus.System hydraulic load be 0.01m/d, using continous way intake, through aerobic ammonia-oxidizing bacteria, NOB,
Anaerobic ammonia oxidizing bacteria and the synergy of denitrifying bacterium, water pollutant is effectively degraded.
Influent COD, ammonia nitrogen, total nitrogen, total phosphorus concentration are respectively 48mg L-1、2.9mg·L-1、3.2mg·L-1、0.5mg·
L-1Sanitary sewage.Through filler of the present invention process after, the clearance of ammonia nitrogen, total nitrogen and total phosphorus all more than 85%, water outlet
In COD, ammonia nitrogen, total nitrogen and total phosphorus concentration be respectively lower than 12.2mg L-1、0.41mg·L-1、0.43mg·L-1With
0.06mg·L-1.
Embodiment 2
By extra large oyster shell, useless haydite and zeolite with mass ratio 4:2:1 mixing, using being machined into 3-20cm particles.
At 25 DEG C of average temperature, for vertical subsurface flow wetland water exit mode, wet land system area is 5m2, plant wetland plant
For calamus.System hydraulic load be 0.01m/d, using continous way intake, through aerobic ammonia-oxidizing bacteria, NOB,
Anaerobic ammonia oxidizing bacteria and the synergy of denitrifying bacterium.
Water pollutant is effectively degraded.Influent COD, ammonia nitrogen, total nitrogen, total phosphorus concentration are respectively 48mg L-1、2.9mg·
L-1、3.2mg·L-1、0.5mg·L-1Sanitary sewage.After filler of the present invention is processed, the going of ammonia nitrogen, total nitrogen and total phosphorus
Except rate is all more than 85%, COD in water outlet, ammonia nitrogen, total nitrogen and total phosphorus concentration are respectively lower than 11.1mg L-1、0.39mg·L-1、0.44mg·L-1With 0.07mg L-1.
The case that is embodied as of patent of the present invention is the foregoing is only, but the technical characteristic of patent of the present invention is not limited to
This, any those skilled in the relevant art in the field of the invention, all cover in the special of the present invention by the change that is made or modification
Among sharp scope.
Claims (6)
1. a kind of artificial swamp compounded mix for rural domestic sewage treatment, it is characterised in that the artificial swamp is combined
Filler is made up of extra large oyster shell, useless haydite and zeolite.
2. artificial swamp compounded mix according to claim 1, it is characterised in that extra large oyster shell, the mixing of give up haydite and zeolite
Mass ratio is (3～4)：2：1.
3. artificial swamp compounded mix according to claim 1, it is characterised in that extra large oyster shell, give up haydite and zeolite are through machine
Tool is processed into the particle of particle size range 3-20mm.
4. artificial swamp compounded mix according to claim 1, it is characterised in that the artificial swamp compounded mix filling side
Formula is：Lower floor's packing material size is big, and upper strata packing material size is little.
5. artificial swamp compounded mix according to claim 1, it is characterised in that the sea oyster shell, give up haydite and zeolite
Mixing quality ratio is 3：2：1.
6. artificial swamp compounded mix according to claim 1, it is characterised in that the sea oyster shell, give up haydite and zeolite
Mixing quality ratio is 4：2：1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610894592.5A CN106477725A (en) | 2016-10-14 | 2016-10-14 | A kind of artificial swamp compounded mix for rural domestic sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610894592.5A CN106477725A (en) | 2016-10-14 | 2016-10-14 | A kind of artificial swamp compounded mix for rural domestic sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106477725A true CN106477725A (en) | 2017-03-08 |
Family
ID=58270739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610894592.5A Pending CN106477725A (en) | 2016-10-14 | 2016-10-14 | A kind of artificial swamp compounded mix for rural domestic sewage treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101233A (en) * | 2018-01-11 | 2018-06-01 | 上海汀滢环保科技有限公司 | To be modified mixing ecology filler, compounded mix ball, purification slot device and the preparation process based on shellfish |
| CN109650549A (en) * | 2019-02-19 | 2019-04-19 | 北京林业大学 | A kind of river mouth artificial wet land system of purifying river water quality |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304033A (en) * | 2012-03-15 | 2013-09-18 | 中国科学院城市环境研究所 | Artificial wetland system taking oyster shell-waste brick-zeolite as composite filler |
| CN105330022A (en) * | 2015-11-30 | 2016-02-17 | 云南兆泓环境工程有限公司 | Compound filler applied to simultaneous phosphorus and nitrogen removal of artificial wetland |
-
2016
- 2016-10-14 CN CN201610894592.5A patent/CN106477725A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304033A (en) * | 2012-03-15 | 2013-09-18 | 中国科学院城市环境研究所 | Artificial wetland system taking oyster shell-waste brick-zeolite as composite filler |
| CN105330022A (en) * | 2015-11-30 | 2016-02-17 | 云南兆泓环境工程有限公司 | Compound filler applied to simultaneous phosphorus and nitrogen removal of artificial wetland |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101233A (en) * | 2018-01-11 | 2018-06-01 | 上海汀滢环保科技有限公司 | To be modified mixing ecology filler, compounded mix ball, purification slot device and the preparation process based on shellfish |
| CN109650549A (en) * | 2019-02-19 | 2019-04-19 | 北京林业大学 | A kind of river mouth artificial wet land system of purifying river water quality |
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Application publication date: 20170308 |