CN106542640A - Based on Canna generalis Bailey and the leather waste water processing method of artificial swamp Radix Ophiopogonis - Google Patents
Based on Canna generalis Bailey and the leather waste water processing method of artificial swamp Radix Ophiopogonis Download PDFInfo
- Publication number
- CN106542640A CN106542640A CN201611116144.9A CN201611116144A CN106542640A CN 106542640 A CN106542640 A CN 106542640A CN 201611116144 A CN201611116144 A CN 201611116144A CN 106542640 A CN106542640 A CN 106542640A
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- China
- Prior art keywords
- waste water
- leather waste
- artificial
- radix ophiopogonis
- canna generalis
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Classifications
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- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
- C02F2103/24—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof from tanneries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a kind of leather waste water processing method based on Canna generalis Bailey and artificial swamp Radix Ophiopogonis, including the artificial wet land system based on Canna generalis Bailey and Radix Ophiopogonis is built, and one month is cultivated under regulation survival rate；Pending leather waste water sampling, and the domestication sewage that the leather waste water of sampling is configured in proportion；According to concentration order from low to high, artificial wet land system is tamed using domestication sewage；After the completion of artificial wet land system domestication, pending leather waste water is passed through above-mentioned artificial wet land system carries out the steps such as purified treatment.Its remarkable result is：Compared to traditional Leather waste water treatment system and single plant system, more it is capable of the removal heavy metal chromium of synthesis, has reached discharge standard, the low, operating cost of input is low, to Wastewater Pollutant high treating effect.
Description
Technical field
The present invention relates to leather waste water processing technology field, specifically, is a kind of artificial with Radix Ophiopogonis based on Canna generalis Bailey
The leather waste water processing method of wetland.
Background technology
With the continuous development of social productive forces, the demand of leather and fur is also to be continuously increased, the intractability of pollution in leather industry
Continuing to increase.Pollution in leather industry source is mainly leather waste water, is called leather-making waste water, be a kind of high concentration, complicated component it is organic
Waste water, wherein containing large quantities of lime, dyestuff, protein, salt, oils and fatss, ammonia nitrogen, sulfide, chromic salts and hairs, skin slag, mud
The poisonous and harmful substances such as sand, are that a kind of yield is big and and not tractable pollutant.
Leather waste water is high due to pollutant levels, and complicated component intractability is larger.Processing method primarily now is divided into
Individual event wastewater treatment is processed with comprehensive wastewater.Wherein individual event wastewater treatment is mainly processed by chemically and physically method,
Comprehensive wastewater process is exactly by multistage activated sludge process.UASB adds level structure effect preferable among these.
But, the method for generally being adopted for leather waste water now is exactly activated sludge process, is contained among these
Chromic waste water individually will be processed.In addition the investment cost of activated sludge process is expensive, to handled water
The requirement of pretreatment is had so that many business burdens do not play the funds of one activated sludge sewage treatment plant of normally operation.
The content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide it is a kind of based on Canna generalis Bailey with Radix Ophiopogonis artificial swamp skin
Leather method of wastewater treatment, less investment, operating cost are low, effect stability good to conventional sewage Pollutant Treatment effect, and have one
Fixed impact resistance.
To reach above-mentioned purpose, the technical solution used in the present invention is as follows：
It is a kind of based on Canna generalis Bailey with Radix Ophiopogonis artificial swamp leather waste water processing method, which is it is critical only that including following step
Suddenly：
Step 1：The artificial wet land system with Radix Ophiopogonis based on Canna generalis Bailey is built, and when cultivating one month in the case where survival rate is specified
Between；
Step 2：Pending leather waste water sampling, and the leather waste water of sampling is diluted to into domestication sewage in proportion；
Step 3：According to concentration order from low to high, artificial wet land system is tamed using domestication sewage；
Step 4：After the completion of artificial wet land system domestication, pending leather waste water is passed through into above-mentioned artificial swamp system
System carries out purified treatment.
Further technical scheme is that artificial wet land system described in step 1 is included as the reaction for processing leather waste water
Pond, the reaction tank are box type container, and water inlet and outlet are respectively arranged with the reaction tank, in the reaction tank according to
It is secondary to be provided with one-level artificial swamp and two grades of artificial swamps, it is provided between the one-level artificial swamp and two grades of artificial swamps
Dividing plate, intersects plantation Canna generalis Bailey and Radix Ophiopogonis in each artificial swamp.
Further technical scheme is to be filled with base in the bottom of the one-level artificial swamp and two grades of artificial swamps
Matter, the Canna generalis Bailey and Radix Ophiopogonis are planted in the substrate.
Further technical scheme is that the substrate is from top to bottom respectively local soil and flyash, packed height ratio
For 1:1.
Further technical scheme is that the regulation survival rate described in step 1 is 100%.
Further technical scheme is that the extension rate that sewage is tamed described in step 2 is respectively 0.5,1,2,4.
Further technical scheme is that the acclimation method of artificial wet land system described in step 3 is：To be tamed and dociled with firm discharge
Change order of the sewage according to concentration from low to high to be passed through in artificial wet land system, each concentration continues two days and midfeather one
My god, and the growing state of observation of plant, after plant grows new plant completely, domestication is completed.
Further technical scheme is that the flow of pending leather waste water is according to artificial wet land system list described in step 4
The hydraulic load of plane product is controlled.
The present invention remarkable result be：The artificial wet land system constituted by Canna generalis Bailey and Radix Ophiopogonis, compared to traditional skin
Leather Waste Water Treatment and single plant system, Heavy Metals Cr VI in removal leather waste water that more can be comprehensive, counterweight
The clean-up effect of crome metal reaches《Integrated wastewater discharge standard》, put into low, operating cost it is low, to Wastewater Pollutant process imitate
Really good, effect stability and have certain impact resistance, for process waste water it is less demanding, the work with natural wetland system
With the plant of plantation can also produce economic worth, can also also beautify the environment.
Description of the drawings
Fig. 1 is method of the present invention flow chart；
Fig. 2 is the structural representation of the artificial wet land system.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in further detail.
As shown in figure 1, the following technical scheme of the present embodiment is processed to leather waste water, specially：
It is a kind of based on Canna generalis Bailey with Radix Ophiopogonis artificial swamp leather waste water processing method, comprise the following steps that：
Step 1：The artificial wet land system with Radix Ophiopogonis based on Canna generalis Bailey is built, sunny place is positioned over and is cultivated one month simultaneously
Guarantee which grows fine, it is ensured that reach 100% survival rate；
In the present embodiment, the artificial wet land system is included as the reaction tank 1 for processing leather waste water, as shown in Fig. 2 should
Reaction tank 1 is 50cm, width 40cm, the box type container of high 50cm, and water inlet 2 and water outlet are respectively arranged with the reaction tank 1
Mouth 3, is disposed with one-level artificial swamp 4 and two grades of artificial swamps 5, in the reaction tank 1 in the one-level artificial swamp 4
It is provided with dividing plate 6 between two grades of artificial swamps 5, the height of the dividing plate is 40cm, each artificial swamp includes being filled in anti-
The Canna generalis Bailey that the substrate in pond 1 and intersection are planted in substrate is answered with plant Radix Ophiopogonis.The structure of substrate is from top to bottom divided into two
Plant material composition：Upper strata is local soil, and packed height is 20cm, and lower floor is flyash, and packed height is 20cm.
Step 2：Pending leather waste water sampling, and it is dilute that the leather waste water of sampling is pressed the difference of extension rate 0.5,1,2,4
Domestication sewage needed for being interpreted into；
Step 3：According to concentration order from low to high, artificial wet land system is passed through by sewage is tamed with the flow of 4L/d
In, each concentration continue two days and middle ware every two days, and the growing state of observation of plant treats that plant grows new plant completely
Afterwards, domestication is completed；
Step 4：After the completion of artificial wet land system domestication, pending leather waste water is passed through into above-mentioned artificial swamp system
System carries out purified treatment, wherein the flow of pending leather waste water is carried out according to the hydraulic load of artificial wet land system unit area
Control.
In this example, treatment effect is evaluated and tested using seven indexs altogether, respectively COD (COD), total
Nitrogen (TN), total phosphorus (TP), Cr VI, PH, turbidity, temperature, wherein COD (COD), total nitrogen (TN), total phosphorus (TP), six
Valency chromium carries out standard detection using chemical method, and the COD (COD) is using potassium dichromate method (GB11914-89), institute
State total nitrogen (TN) and ultraviolet spectrophotometry (GB11894-89), total phosphorus (TP) ammonium molybdate point are cleared up using alkaline chitinase
Light photometry (GB11893-89), the Cr VI adopt diphenyl carbazide spectrophotometry (GB/T7467-1987)；It is described
The meansigma methodss of PH, turbidity, temperature using instrument readings result three times.
In order to preferably illustrate to the treatment effect of this programme, four contrast wetland systems in the present embodiment, are also constructed
System, including a blank, a wet land system only with substrate, a Canna generalis Bailey wet land system, one Radix Ophiopogonis wetland
System.Five systems are processed according to identical step, the waste water after stable water outlet, after processing to each system respectively
Carry out adopting detection, the data obtained is as shown in table 1：
1 different wet land system water-in and water-out pollutant levels of table
| Project | COD | TN | TP | PH | Turbidity | Temperature | Cr VI |
| It is blank | 0.00% | 0.00% | 0.00% | 8.76 | 0.00% | 26 | 0.00% |
| Substrate | 75.30% | 5.63% | 79.49% | 7.75 | 95.69% | 26 | 67.70% |
| Canna generalis Bailey | 88.42% | 5.63% | 83.17% | 7.12 | 86.61% | 26 | 77.98% |
| Radix Ophiopogonis | 89.84% | 5.98% | 82.60% | 7.82 | 85.95% | 26 | 79.38% |
| Canna generalis Bailey and Radix Ophiopogonis | 98.17% | 11.01% | 97.05% | 7.58 | 84.31% | 26 | 93.10% |
Process to COD, as can be seen from the above table, base portion is made that very big contribution, and artificial swamp is dense for low
The clearance of degree COD may remain in 90% or so, in addition to Canna generalis Bailey combines wet land system with Radix Ophiopogonis, remaining each system
Outlet concentration is not reaching to《Integrated wastewater discharge standard》；
Process to TN, as can be seen from the table, the clearance of blank and wet land system is not high, artificial swamp system
The removal of nitrogen in system is divided into three parts, one be plant absorption utilize, two be microbial action, three be substrate absorption, although nothing
Machine nitrogen is that indispensable nutrient directly can be absorbed by plants in growing process, but what growing process was absorbed
Nitrogen can only also occupy little part, and main cause is the nitrification and denitrification effect of topmost denitrogenation mode or microorganism；
Process to TP, as phosphorus is the indispensable element of plant growing, and the nutrient of growth of microorganism, it is overall at
Reason efficiency and treatment effect are all very good, and wherein combine Canna generalis Bailey and Radix Ophiopogonis in wet land system as different plants are to phosphorus
Different demands, are preferably absorbed to phosphorus, therefore treatment effect is best；
Process to turbidity, as can be seen from the table, blank system to the treatment effeciency of turbidity than wet land system also
It is better, reason is do not have the growth of root system of plant inside blank system so the density of the density ratio wet land system of bare substrate will
Much larger and suspended particle of inside leather waste water is larger, has just drawn conclusion above, due to polluting inside leather waste water
Thing concentration is bigger than normal to cause root system of plant generation resistance to secret out of vegetation water；
To chromic process, the process is a physics by soil, chemistry, bio-cooperation process, total institute's week
Know that Main Function of the plant when heavy metal ion is processed is the place that growth is provided for microorganism, its product for forming metabolism is
The vital movement of microorganism provides food source, has different plants due to combining Canna generalis Bailey and Radix Ophiopogonis wet land system, therefore which is
System is contained within a greater variety of microorganisms, therefore which is for chromic treatment effect preferably, and reaches《Integrated wastewater is discharged
Standard》.
In sum, this programme is given up compared to traditional leather by Canna generalis Bailey and the plant societys wet land system of Radix Ophiopogonis
Water treatment system and single plant system, more can comprehensively remove heavy metal chromium, and keep relatively stable efficient purification
The predominantly leather waste water of pollution of chromium.
Claims (8)
1. it is a kind of based on Canna generalis Bailey with Radix Ophiopogonis artificial swamp leather waste water processing method, it is characterised in that comprise the following steps：
Step 1：The artificial wet land system with Radix Ophiopogonis based on Canna generalis Bailey is built, and one month is cultivated under regulation survival rate；
Step 2：Pending leather waste water sampling, and the leather waste water of sampling is diluted to into domestication sewage in proportion；
Step 3：According to concentration order from low to high, artificial wet land system is tamed using domestication sewage；
Step 4：After the completion of artificial wet land system domestication, pending leather waste water is passed through into above-mentioned artificial wet land system and is entered
Row purified treatment.
2. the leather waste water processing method based on Canna generalis Bailey and artificial swamp Radix Ophiopogonis according to claim 1, its feature exists
In：Artificial wet land system described in step 1 includes that as the reaction tank for processing leather waste water the reaction tank is box type container,
Water inlet and outlet are respectively arranged with the reaction tank, one-level artificial swamp and two are disposed with the reaction tank
Level artificial swamp, is provided with dividing plate between the one-level artificial swamp and two grades of artificial swamps, intersects in each artificial swamp
Plantation Canna generalis Bailey and Radix Ophiopogonis.
3. the leather waste water processing method based on Canna generalis Bailey and artificial swamp Radix Ophiopogonis according to claim 2, its feature exists
In：Substrate is filled with the bottom of the one-level artificial swamp and two grades of artificial swamps, plant the Canna generalis Bailey and Radix Ophiopogonis in
In the substrate.
4. the leather waste water processing method based on Canna generalis Bailey and artificial swamp Radix Ophiopogonis according to claim 3, its feature exists
In：The substrate is from top to bottom respectively local soil and flyash, and packed height ratio is 1:1.
5. the leather waste water processing method based on Canna generalis Bailey and artificial swamp Radix Ophiopogonis according to claim 1, its feature exists
In：Regulation survival rate described in step 1 is 100%.
6. the leather waste water processing method based on Canna generalis Bailey and artificial swamp Radix Ophiopogonis according to claim 1, its feature exists
In：The extension rate that sewage is tamed described in step 2 is respectively 0.5,1,2,4.
7. the leather waste water processing method based on Canna generalis Bailey and artificial swamp Radix Ophiopogonis according to claim 1, its feature exists
In：The acclimation method of artificial wet land system described in step 3 is：Sewage will be tamed according to concentration from low to high with firm discharge
Order is passed through in artificial wet land system, each concentration continue two days and middle ware every two days, and the growing state of observation of plant is treated
After plant grows new plant completely, domestication is completed.
8. the leather waste water processing method based on Canna generalis Bailey and artificial swamp Radix Ophiopogonis according to claim 1, its feature exists
In：Described in step 4, the flow of pending leather waste water is controlled according to the hydraulic load of artificial wet land system unit area.
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| CN201611116144.9A CN106542640A (en) | 2016-12-07 | 2016-12-07 | Based on Canna generalis Bailey and the leather waste water processing method of artificial swamp Radix Ophiopogonis |
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| CN201611116144.9A CN106542640A (en) | 2016-12-07 | 2016-12-07 | Based on Canna generalis Bailey and the leather waste water processing method of artificial swamp Radix Ophiopogonis |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110540295A (en) * | 2019-09-05 | 2019-12-06 | 辽宁工程技术大学 | method for treating leather wastewater by using aquatic plants |
| CN114163074A (en) * | 2021-12-03 | 2022-03-11 | 南京大学 | Method for treating tail water of sewage treatment plant by adopting constructed wetland |
| CN117147253A (en) * | 2023-08-25 | 2023-12-01 | 广东省农业科学院农业质量标准与监测技术研究所 | Research method for perchlorate degradation in canna wetland system |
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| CN101875513A (en) * | 2010-03-26 | 2010-11-03 | 广西大学 | Method and device for removing Cr<6+> from domestic sewage |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101875513A (en) * | 2010-03-26 | 2010-11-03 | 广西大学 | Method and device for removing Cr<6+> from domestic sewage |
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| 但新球等著: "《湿地公园规划设计》", 31 January 2014 * |
| 夏红霞等: "麦冬处理水中Cr(VI)的研究", 《安徽农业科学》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110540295A (en) * | 2019-09-05 | 2019-12-06 | 辽宁工程技术大学 | method for treating leather wastewater by using aquatic plants |
| CN114163074A (en) * | 2021-12-03 | 2022-03-11 | 南京大学 | Method for treating tail water of sewage treatment plant by adopting constructed wetland |
| CN117147253A (en) * | 2023-08-25 | 2023-12-01 | 广东省农业科学院农业质量标准与监测技术研究所 | Research method for perchlorate degradation in canna wetland system |
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