CN107098427A - A kind of method that utilization adsorption tank efficiently removes heavy metal pollution in farmland irrigating water - Google Patents
A kind of method that utilization adsorption tank efficiently removes heavy metal pollution in farmland irrigating water Download PDFInfo
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- CN107098427A CN107098427A CN201710382036.4A CN201710382036A CN107098427A CN 107098427 A CN107098427 A CN 107098427A CN 201710382036 A CN201710382036 A CN 201710382036A CN 107098427 A CN107098427 A CN 107098427A
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- adsorption tank
- water
- heavy metal
- metal pollution
- adsorption
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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
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- 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)
Abstract
The invention discloses a kind of method that utilization adsorption tank efficiently removes heavy metal pollution in farmland irrigating water, its core be using it is inexpensive, be easy to get, efficiently, the strong agriculture and industry waste of heavy metal adsorption build adsorption tank.Adsorption tank uses nature Inlet and outlet water, and sorbing material is workers and peasants' discarded objects such as straw, organic fertilizer, straw, zeolite, cinder, charcoal.Filtering, absorption, precipitation by the sorbing material in adsorption tank etc. are acted on, and realize the purification of farmland irrigating water's heavy metal pollution.The present invention, which has, takes up an area few, investment and the low advantage of operating cost.
Description
Technical field
The present invention relates to farmland irrigating water's method for purifying water, more particularly to one kind field irrigation is efficiently removed using adsorption tank
The method of heavy metal pollution in water, its core be using it is safe, inexpensive, be easy to get, industrial or agricultural that heavy metal adsorption is strong is discarded
Thing is the purification technique that sorbing material builds adsorption tank.
Background technology
Rice cadmium pollution improvement is the Major Strategic Demand that China is currently badly in need of solving.Farmland irrigating water's cadmium pollution is rice
The main cause of cadmium pollution.Farmland irrigating water's purposes is special, pollution source is complicated, pollution is wide, water quality is changeable, content of beary metal
Relatively low and demand is big and concentrates, and existing some heavy metal containing sewage purification facility, technique, material and technologies are not suitable for agriculture
Field irrigation water heavy metal pollution purification.
The content of the invention
The technical problems to be solved by the invention are efficiently gone using adsorption tank in view of the shortcomings of the prior art, providing one kind
Except the method for heavy metal pollution in farmland irrigating water, its using it is safe, inexpensive, be easy to get, efficiently, the strong work of heavy metal adsorption
Agricultural wastes are that sorbing material builds adsorption tank, can realize quickly and efficiently purification farmland irrigating water's heavy metal pollution.
In order to solve the above technical problems, the technical solution adopted by the present invention is：One kind efficiently removes farmland using adsorption tank
The method of irrigation water heavy metal pollution, it is specially：Being chosen according to field irrigation water channel distribution situation can be realized using depth displacement
The field of natural Inlet and outlet water builds adsorption tank.
The adsorption tank is brick mix structure, cement pit, the m of the m of the m of length × width × height=1.5 × 1.0 × 1.0.
The adsorption tank uses diagonal Inlet and outlet water mode, and water inlet is arranged on pond body bottom, and delivery port is arranged on surface,
And the bottom of adsorption tank is provided with Waste outlet, sieve, absorption are placed in the centre of adsorption tank provided with aperture for 1-2 mm sorbing material
The upper outside in pond sets collecting-tank.
The adsorption tank inner stuffing for it is safe, inexpensive, be easy to get, heavy metal adsorption is strong, particle diameter 2-3 mm stalk
(straw, straw, cornstalk, sunflower pole, rape straw, tobacco rod), organic fertilizer, zeolite, cinder, sepiolite, diatomite, red mud,
Peanut shell, husk, corncob, cashew nut nucleocapsid, wood chip, tea grounds, bagasse, orange peel, flyash, montmorillonite, concave convex rod, swelling
The agriculture and industry waste such as soil or charcoal.
Agriculture and industry waste in the adsorption tank is one or more layers, and thickness in monolayer is 20-30 cm.
Such scheme is further improved to, and the adsorption tank is the primary adsorption pond for including an adsorption tank, including two
The secondary absorption pond of individual adsorption tank or the multi-stage absorption pool structure comprising multiple adsorption tanks.
Such scheme is further improved to, and the entery and delivery port of the adsorption tank is distributed in pond body liquid level in a difference in height
On, and provided with baffle plate in the middle of adsorption tank.
The present invention with safety, it is inexpensive, be easy to get, efficiently, the strong sorbing material of heavy metal adsorption build adsorption tank, irrigate
Heavy metal realizes that farmland irrigating water's heavy metal pollution is purified through sorbing material absorption, filtering in adsorption tank in water.Meanwhile, utilize
Depth displacement realizes nature Inlet and outlet water, reduces operating cost；Using diagonal Inlet and outlet water, increase hydraulic detention time, improve purification
Efficiency, and reduction accounts for area and construction cost.
Brief description of the drawings
Fig. 1 is the embodiment floor map of adsorption tank one of the present invention.
Fig. 2 is Fig. 1 adsorption tank profile.
Fig. 3 is another embodiment floor map of adsorption tank of the present invention.
Fig. 4 is Fig. 3 adsorption tank profile.
Embodiment
Embodiment 1：
Somewhere irrigation water cadmium content is 8.61-21.28 μ g/L, average 13.92 μ g/L, and exceeded number of days ratio is up to 66.7%.
As Figure 1-Figure 2, the present invention efficiently removes the method for heavy metal in farmland irrigating water to this agriculture using adsorption tank
Field irrigation water cadmium pollution is purified, and specifically includes following step：
1）Being chosen according to field irrigation water channel distribution situation can realize that the field of nature Inlet and outlet water builds adsorption tank using depth displacement
1, adsorption tank 1 is brick mix structure or cement pit, and water inlet 3 is arranged on bottom, and delivery port 4 is arranged on surface, realizes that bottom intakes,
Surface water outlet；Waste outlet 5 is arranged at the bottom of adsorption tank 1, and the sorbing material that there is the mm of aperture about 1 centre is placed outside sieve 6, top
Side sets collecting-tank 7；Sorbing material in adsorption tank 1 is the mm straw of particle diameter about 2 and cinder, and sorbing material is two layers, and lower floor is
Cinder, upper strata is straw, and thickness in monolayer is 25 cm.
After this purification PROCESS FOR TREATMENT, water outlet cadmium concentration is 1.36-2.79 μ g/L in ground farmland irrigating water, average
2.24 μ g/L, it is 83.91% to go cadmium rate；Within 50 days monitoring phases, water outlet is below farmland irrigating water's cadmium limit standard (GB5084-
2005).The technique takes up an area about 2.1 m2, about 1000 yuan of cost, the technique can ensure about 100-150 mus of rice field water demand.
Embodiment 2：
As Figure 3-Figure 4, the present embodiment is substantially same as Example 1, and simply adsorption tank 1 is entered using surface in the present embodiment
Water outlet, i.e. water inlet 3 and delivery port 4 are distributed on pond body liquid level in certain altitude difference, and the middle of adsorption tank 1 sets baffle plate 8.
After this purification PROCESS FOR TREATMENT, water outlet cadmium concentration is 0.85-1.46 μ g/L in ground farmland irrigating water, average
1.19 μ g/L, it is 91.45% to go cadmium rate；Within 50 days monitoring phases, water outlet is below farmland irrigating water's cadmium limit standard
(GB5084-2005).The technique takes up an area about 2.1 m2, about 1500 yuan of cost, the technique can ensure about 100-150 mus of rice field water
Demand.
Claims (9)
1. a kind of method that utilization adsorption tank efficiently removes farmland irrigating water's heavy metal pollution, it is characterised in that be specially：According to
Field irrigation water channel distribution situation is chosen can realize that the field of nature Inlet and outlet water is used as adsorption tank by the use of depth displacement（1）, adsorption tank
Inner stuffing（2）For safety, it is inexpensive, be easy to get, the agriculture and industry waste that heavy metal adsorption is strong.
2. the method that a kind of utilization adsorption tank according to claim 1 efficiently removes farmland irrigating water's heavy metal pollution, its
Be characterised by, the adsorption tank is to include the primary adsorption pond of an adsorption tank, including two adsorption tanks secondary absorption pond or
Multi-stage absorption pool structure comprising multiple adsorption tanks.
3. the method that a kind of utilization adsorption tank according to claim 1 efficiently removes farmland irrigating water's heavy metal pollution, its
It is characterised by, the adsorption tank uses diagonal Inlet and outlet water mode.
4. the method that a kind of utilization adsorption tank according to claim 1 efficiently removes farmland irrigating water's heavy metal pollution, its
It is characterised by, the adsorption tank is brick mix structure, cement pit, the m of the m of the m of length × width × height=1.5 × 1.0 × 1.0.
5. the method that a kind of utilization adsorption tank according to claim 1 efficiently removes farmland irrigating water's heavy metal pollution, its
It is characterised by, the adsorption tank is using bottom water inlet, surface water outlet, or surface Inlet and outlet water, is intake using bottom, surface water outlet
When, water inlet（3）It is arranged on pond body bottom, delivery port（4）It is arranged on surface；During using surface Inlet and outlet water, entery and delivery port is in one
Difference in height is distributed on pond body liquid level, and baffle plate is provided with the middle of adsorption tank（8）.
6. the method that a kind of utilization adsorption tank according to claim 1 efficiently removes farmland irrigating water's heavy metal pollution, institute
The bottom for stating adsorption tank is provided with Waste outlet（5）, sieve is placed in the centre of adsorption tank provided with aperture for 1-2 mm sorbing material
（6）, the upper outside setting collecting-tank of adsorption tank（7）.
7. the method that a kind of utilization adsorption tank according to claim 1 efficiently removes farmland irrigating water's heavy metal pollution, its
It is characterised by, the adsorption tank（1）Interior agriculture and industry waste be stalk, organic fertilizer, zeolite, cinder, sepiolite, diatomite,
Red mud, peanut shell, husk, corncob, cashew nut nucleocapsid, wood chip, tea grounds, bagasse, orange peel, flyash, montmorillonite, bumps
Rod, bentonite or charcoal.
8. the method that a kind of utilization adsorption tank according to claim 1 efficiently removes irrigation water heavy metal pollution, its feature
It is, the particle diameter of the agriculture and industry waste in the adsorption tank is 2-3 mm.
9. the method that a kind of utilization adsorption tank according to claim 1 efficiently removes irrigation water heavy metal pollution, its feature
It is, the agriculture and industry waste in the adsorption tank is one or more layers, and thickness in monolayer is 20-30 cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710382036.4A CN107098427A (en) | 2017-05-26 | 2017-05-26 | A kind of method that utilization adsorption tank efficiently removes heavy metal pollution in farmland irrigating water |
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| CN201710382036.4A CN107098427A (en) | 2017-05-26 | 2017-05-26 | A kind of method that utilization adsorption tank efficiently removes heavy metal pollution in farmland irrigating water |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107455237A (en) * | 2017-09-04 | 2017-12-12 | 合肥原印农业科技有限公司 | A kind of baffle device for being used for outlet pipe in field irrigation |
| CN109126647A (en) * | 2018-09-08 | 2019-01-04 | 佛山市森昂生物科技有限公司 | A kind of preparation method of graphene oxide-sodium alginate gel ball |
| CN109231337A (en) * | 2018-10-09 | 2019-01-18 | 四川农业大学 | Farmland low concentration contains the portable absorbing treatment device of heavy metal containing sewage and processing method |
| CN109607855A (en) * | 2018-12-14 | 2019-04-12 | 四川农业大学 | Multi-channel type farmland low concentration contains the portable absorbing treatment device of heavy metal containing sewage and method |
| CN110508245A (en) * | 2019-08-29 | 2019-11-29 | 安徽禾美环保集团有限公司 | A kind of wastewater treatment adsorbent material and preparation method thereof |
| CN112774647A (en) * | 2021-01-11 | 2021-05-11 | 湖北省农业科学院植保土肥研究所 | Permeation adsorption material for heavy metal polluted water body and preparation method thereof |
| CN114259986A (en) * | 2021-12-28 | 2022-04-01 | 淮阴工学院 | Preparation method of magnetic activated carbon-red mud-attapulgite composite adsorbent |
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| CN105967339A (en) * | 2016-06-24 | 2016-09-28 | 中国科学院亚热带农业生态研究所 | Method and device for ecological pond purification treatment of heavy metal-polluted irrigation water |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105967339A (en) * | 2016-06-24 | 2016-09-28 | 中国科学院亚热带农业生态研究所 | Method and device for ecological pond purification treatment of heavy metal-polluted irrigation water |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107455237A (en) * | 2017-09-04 | 2017-12-12 | 合肥原印农业科技有限公司 | A kind of baffle device for being used for outlet pipe in field irrigation |
| CN107455237B (en) * | 2017-09-04 | 2020-07-28 | 浙江兴舟纸业有限公司 | Flow blocking device for water outlet pipe in farmland irrigation |
| CN109126647A (en) * | 2018-09-08 | 2019-01-04 | 佛山市森昂生物科技有限公司 | A kind of preparation method of graphene oxide-sodium alginate gel ball |
| CN109126647B (en) * | 2018-09-08 | 2020-11-03 | 特勃尔润滑技术(江苏)有限公司 | Preparation method of graphene oxide-sodium alginate gel spheres |
| CN109231337A (en) * | 2018-10-09 | 2019-01-18 | 四川农业大学 | Farmland low concentration contains the portable absorbing treatment device of heavy metal containing sewage and processing method |
| CN109231337B (en) * | 2018-10-09 | 2024-04-05 | 四川农业大学 | Portable adsorption treatment device and treatment method for farmland low-concentration heavy metal-containing sewage |
| CN109607855A (en) * | 2018-12-14 | 2019-04-12 | 四川农业大学 | Multi-channel type farmland low concentration contains the portable absorbing treatment device of heavy metal containing sewage and method |
| CN110508245A (en) * | 2019-08-29 | 2019-11-29 | 安徽禾美环保集团有限公司 | A kind of wastewater treatment adsorbent material and preparation method thereof |
| CN112774647A (en) * | 2021-01-11 | 2021-05-11 | 湖北省农业科学院植保土肥研究所 | Permeation adsorption material for heavy metal polluted water body and preparation method thereof |
| CN112774647B (en) * | 2021-01-11 | 2022-05-10 | 湖北省农业科学院植保土肥研究所 | Permeation adsorption material for heavy metal polluted water body and preparation method thereof |
| CN114259986A (en) * | 2021-12-28 | 2022-04-01 | 淮阴工学院 | Preparation method of magnetic activated carbon-red mud-attapulgite composite adsorbent |
| CN114259986B (en) * | 2021-12-28 | 2023-06-30 | 淮阴工学院 | Preparation method of magnetic activated carbon-red mud-attapulgite composite adsorbent |
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Application publication date: 20170829 |