CN108483647A - The minimizing technology and removal device of pollutant in a kind of water body - Google Patents
The minimizing technology and removal device of pollutant in a kind of water body Download PDFInfo
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- CN108483647A CN108483647A CN201810418540.XA CN201810418540A CN108483647A CN 108483647 A CN108483647 A CN 108483647A CN 201810418540 A CN201810418540 A CN 201810418540A CN 108483647 A CN108483647 A CN 108483647A
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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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
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Organic Chemistry (AREA)
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- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
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Abstract
The invention discloses the minimizing technologies and removal device of pollutant in a kind of water body, have the following advantages：(1) anthracite is made full use of, is turned waste into wealth；(2) denitrifier has the characteristics of very strong removal effect to nitrogen, and denitrifier is fixed on smokeless coal particle, carries out nitrification and denitrification effect, is finally N by the nitrogen transition in water body2Be not in nitrogen precipitation phenomenon to realize the purpose denitrogenated, achieve the effect that preferably to remove the nitrogen in water removal；(3) be arranged pebble layer, quartz sand layer, pebble layer, quartz sand layer, nanometer shell bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer thickness ratio be 8:3:7:4:1:3:2:4:12.By the reasonable setting of each layer sequence, realizes that the physical absorptions such as porous absorption and chemistry remove, effectively remove the harmful substances such as heavy metal, nitrogen, the phosphorus in water body.
Description
Technical field
The invention belongs to the minimizing technologies and removal device of pollutant in sewage treatment field more particularly to a kind of water body.
Background technology
With the fast development of Chinese Urbanization, deteriorated by the In Urban Water Quality that rainwater causes, flood the problems such as increasingly
It highlights.Existing research shows that the non-point pollution that urban runoff rainwater is brought has become the main next of urban water-body pollution
Source.According to statistics, 90% or more urban water-body of China is seriously polluted, and many urban water-bodies all have black smelly or eutrophication show
As the pollution of surface water also causes underground water pollution serious.Pollutant in underground water drinking water, mainly include nitrogen, COD,
TN, TP, heavy metal, polycyclic aromatic hydrocarbon (PAHs), nutritive salt etc..
Long-term reference pollution water quality has many harm to human body：
If the fluoride 1, contained by drinking water is excessive, it will lead to occur brown spot and dyeing, i.e. dental fluorosis on tooth, or
The bones such as caused arthritis and osteoporosis are abnormal, i.e. fluorosis of bone.
If 2, drinking water quality is problematic, Kaschin-Beck disease may be caused, epiphysis and backbone end dysplasia is shown as, become
Morphotropism joint disease and fall ill.
If 3, underground water is contaminated, some heavy metals that can not be degraded and Toxic can come heap in human body, long and
It, can be such that human body cell is distorted long, increase the probability for suffering from cancer.
If 4, the biological pollutants polluted-water such as human and animal excreta may cause typhoid fever, dysentery, enteritis, cholera etc. bacillary
Enteric infectious disease, harm are larger.
5, in addition, water pollutant can also generate human organ some adverse effects, such as cause eyes are scorching hot to ache mediocre, knot
Film is scorching and cornea injures；Generate respiration inhibition, aspiration pneumonia or pulmonary edema；Skin generates excitement, burns or cutaneous necrosis；
Stomach Nausea and vomiting and Upper abdominal pain；Renal function is deteriorated or even kidney failure；Headache, general weakness, unconsciousness etc., seriously
When can causing death.
Currently, purified generally by water purifier in drinking water family, but water purifier is expensive, it is inclined at some
Distant mountain area is difficult to popularize, and cheap water purifier is general to the removal ability of the pollutants such as nitrogen, heavy metal.
Invention content
It is dirty in a kind of water body of present invention offer for the problem for going removing heavy metals, nitrogen, phosphorus ineffective in the prior art
The minimizing technology and removal device for contaminating object, use filler, the filler can efficiently remove nitrogen in runoff water body, phosphorus, COD,
The pollutants such as TN, TP, heavy metal, nutritive salt, by the mutual cooperation between different fillers, in conjunction with retention, absorption, nitrification and
The processes such as denitrification are established a kind of method that synchronous high-efficiency removes diameter Water element, mixture-metal, are provided for water body purification
Application technology.
The minimizing technology of pollutant in a kind of water body, the method use filler, the filler include multilayer pebble layer,
The varigrained quartz sand layer of multilayer, nanometer shell bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer.
Preferably, the filler includes two layers of pebble layer, two layers of varigrained quartz sand layer, nanometer oyster shell whiting
Layer, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer, the direction entered according to runoff rainwater are followed successively by, pebble layer,
Quartz sand layer, pebble layer, quartz sand layer, nanometer shell bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer.
Any of the above-described scheme is preferably, the pebble layer, quartz sand layer, pebble layer, quartz sand layer, nanometer shell
Bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer thickness ratio be 5-10:2~5:5~10:2~5:1~
1.5:2~4:2~3:3~5:8~15.
Any of the above-described scheme is preferably, the pebble layer, quartz sand layer, pebble layer, quartz sand layer, nanometer shell
Bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer thickness ratio be 8:3:7:4:1:3:2:4:12.
Why each layer thickness range is handled according to the restriction of aforementioned proportion because nanometer shell bisque treatment effeciency is high
Effect is good, can meet processing requirement there is no need to blocked up, blocked up that waste of material to cost is caused to increase.The main mesh of pebble layer
Be retention removal pollutant, treatment effeciency not as good as zeroth order iron ball, therefore by pebble layer set it is a little compared with iron ball thickness, it can be ensured that
Outlet effect；Anthracite coal measure plays the eutrophic nitrogen of removal and phosphorus；Quartz sand layer act as retaining and is supplied to microorganism
Adhere to place, due to microorganism need the long period can mode improve microbial biomass.Cactus layer using biological adsorption and
Catharsis.
Nanometer oyster shell whiting is nano level aragonite row oyster shell whiting, has very strong adsorption capacity, maximal absorptive capacity to Cd ions
Reach 999.1mg/g, is twice or more of stock size oyster shell whiting.Nanometer oyster shell whiting, porosity is high under the conditions of micro-meter scale, hole
Diameter is distributed uniformly than traditional sorbing material (such as activated carbon), and the specific surface area under the conditions of nanoscale is 2.5 times of activated carbon,
Most bore dias are activated carbons more than 5 times, and the overwhelming majority is mesoporous, have extraordinary effect to the absorption of heavy metal ion.
Any of the above-described scheme is preferably, and the cobblestone includes cobblestone layer by layer, the grain size of cobblestone from top to bottom by
It is decrescence small, a diameter of 1.5-4.5 ± 0.5cm of cobblestone.The grain size of cobblestone is relatively large, can be from the seam of adjacent cobblestone
Water body is tentatively filtered in gap, takes out larger impurity.
Any of the above-described scheme is preferably, and the quartz sand layer includes quartz sand, and the grain size of quartz sand is gradual from top to bottom
Reduce, the grain size of quartz sand is 8-32mm.Quartz sand, multi-angular, stable chemical performance does not block, and hardness is big, corrosion resistance
Good, density is big, high mechanical strength, and dirt-carrying ability is strong, the feature of service life length, silicon content>98.6%, the effect of quartz sand is
Go mud in water removal, the bulky grains suspended impurity such as colloid that will be hanged those of in water just as water penetrates into underground by sandstone
Floating object stops, mainly for those subtle suspended matters.It avoids these impurity from entering a nanometer shell bisque, covers nanometer
Oyster shell whiting surface, the ability for making the capillary structure of nanometer oyster shell whiting lose absorption impurities in water.The grain size of quartz sand is arrived from above
Under be gradually reduced to filter the purpose of removal step by step to realize.
Any of the above-described scheme is preferably, and the nanometer shell bisque includes nanometer oyster shell whiting, and nanometer shell powder diameter is
360~370nm.
Any of the above-described scheme is preferably, and the anthracite coal measure includes smokeless coal particle, and the grain size of smokeless coal particle is 10-
35mm. anthracites be use after, both save cost in this way, have environmental protection and economy, there is many microcellular structures, water body in anthracite
It can be adsorbed by filtering by the heavy metal inside microcellular structure, microorganism.
Any of the above-described scheme is preferably, and denitrogenation strain is fixed on smokeless coal particle.
Any of the above-described scheme is preferably, and denitrogenation strain includes nitrifier and denitrifying bacterium, so as to remove in water body
Nitrogen.
Any of the above-described scheme is preferably, and the ratio of the nitrifier and denitrifying bacterium is 4:1.
Any of the above-described scheme is preferably, and the ratio of the nitrifier and denitrifying bacterium is 3:1.
Any of the above-described scheme is preferably, and the method that denitrogenation strain is fixed on smokeless coal particle is：
(1) smokeless coal particle is washed, is filtered, drying for standby, proportionally with nitrifier and denitrifying bacterium strain
It is separately added on smokeless coal particle, suitable nutrient solution is added, stir, and adjust pH value to 7.3-8.2, it is quiet in 20-32 DEG C
Set solidification 2-3 days；
(2) after the completion of immobilization, smokeless coal particle is filtered out, is saved backup at 4 DEG C after drying；
Any of the above-described scheme is preferably, and the nutrient solution in the step (2) is using beancake powder, cornstarch, di(2-ethylhexyl)phosphate
Hydrogen potassium and magnesium sulfate are formulated.
Any of the above-described scheme is preferably, and the soya-bean cake powder content is that 0.6%, Maize Starch Content is 5%, biphosphate
Potassium content be 0.2% and sulfuric acid content of magnesium be 0.08%.
Any of the above-described scheme is preferably, and NaHCO is used in the step (1)3PH value is adjusted to 7.6.
Any of the above-described scheme is preferably, the active carbon layer packet active fruit shell carbon, wood activated charcoal and coaly activated carbon,
Grain size is 8-60 mesh.The absorption of activated carbon is in addition to physical absorption, also chemisorption.The adsorptivity of activated carbon both depends on hole
Structure, and depend on chemical composition.Activated carbon is not only carbon containing, but also the oxygen and hydrogen to go into operation containing a small amount of chemical bonding, functional group,
Such as carbonyl, carboxyl, phenols, lactone, quinones, ethers.The oxide and complex compound contained on these surfaces, some are from original
The derivative of material, some are generated in activation, after activation by the effect of air or vapor.Sometimes surface sulphur can also be generated
Compound and chloride.Minerals contained by raw material, which focus on, in activation becomes ash content in activated carbon, the main component of ash content is alkali
The salt of metal and alkaline-earth metal, such as carbonate and phosphate.Active carbon adsorption is to utilize porous activated carbon, makes water
In one or more substances be attracted to activated carbon surface and the method that removes, removal object includes deliquescent organic substance,
Synthetic detergent, microorganism, virus and a certain amount of heavy metal, and can decolourize, deodorization purification.
Any of the above-described scheme is preferably, and the active fruit shell carbon includes apricot shell activated carbon, cocoanut active charcoal, walnut shell work
Property charcoal.
Any of the above-described scheme is preferably, and the sponge gourd wooden dipper layer is suppressed using sponge gourd wooden dipper.It is multiple that sponge gourd wooden dipper possesses height
Miscellaneous and flourishing hole Multi-scale model has good absorption property, the pollutants such as grease can be adsorbed, by suppressing
Sponge gourd wooden dipper layer hole density become larger, have good filtration.
Any of the above-described scheme is preferably, and cactus layer includes cactus, and the crust of cactus is cut into celestial being after peeling off
People slaps piece and uses, and each cactus piece thickness is 0.2-0.4cm can secret out of some mucus after cactus is removed the peel, these are viscous
Liquid band has charge that can adsorb impurity, little particle, silt, suspended matter in water etc..Using the method pair of this cactus water purification
It can reach 80% or more in the removal of bacteria rate of light water, be a kind of simply and easily process for purifying water, therefore be suitable for family
Water purification.
Any of the above-described scheme is preferably, and has interval between the cactus layer and sponge gourd wooden dipper layer.To ensure water body energy
It is enough that bottom is fully leaked by the gap between adjacent cactus layer from interval, after coming into full contact with, remove harmful bacteria.
Any of the above-described scheme is preferably, and permeable partition cloth is arranged in each interlayer.
Any of the above-described scheme is preferably, and permeable demarcation strip is arranged in each interlayer.
Any of the above-described scheme is preferably, the multiple cactus piece adjacent upright setting.
The present invention also provides a kind of purifier, including processing staving, the one end for handling staving is equipped with water inlet pipe, the other end
Equipped with outlet pipe, it is equipped with filler in processing bucket body, the filler includes multilayer pebble layer, the varigrained quartz sand of multilayer
Layer, nanometer shell bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer.
Preferably, the filler includes two layers of pebble layer, two layers of varigrained quartz sand layer, nanometer oyster shell whiting
Layer, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer, the direction entered according to runoff rainwater are followed successively by, pebble layer,
Quartz sand layer, pebble layer, quartz sand layer, nanometer shell bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer.
Any of the above-described scheme is preferably, the pebble layer, quartz sand layer, pebble layer, quartz sand layer, nanometer shell
Bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer thickness ratio be 5-10:2~5:5~10:2~5:1~
1.5:2~4:2~3:3~5:8~15.
Any of the above-described scheme is preferably, the pebble layer, quartz sand layer, pebble layer, quartz sand layer, nanometer shell
Bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer thickness ratio be 8:3:7:4:1:3:2:4:12.
Any of the above-described scheme is preferably, and the cobblestone includes cobblestone layer by layer, the grain size of cobblestone from top to bottom by
It is decrescence small, a diameter of 1.5-4.5 ± 0.5cm of cobblestone.
Any of the above-described scheme is preferably, and the quartz sand layer includes quartz sand, and the grain size of quartz sand is gradual from top to bottom
Reduce, the grain size of quartz sand is 8-32mm.
Any of the above-described scheme is preferably, and the nanometer shell bisque includes nanometer oyster shell whiting, and nanometer shell powder diameter is
360~370nm.
Any of the above-described scheme is preferably, and the anthracite coal measure includes smokeless coal particle, and the grain size of smokeless coal particle is 10-
35mm.
Any of the above-described scheme is preferably, and denitrogenation strain is fixed on smokeless coal particle.It is nitrified by denitrogenation strain
And denitrification, it is finally N by the nitrogen transition in water body2Be not in that nitrogen is precipitated now to realize the purpose denitrogenated
As.
Any of the above-described scheme is preferably, and denitrogenation strain includes nitrifier and denitrifying bacterium.
Any of the above-described scheme is preferably, and the ratio of the nitrifier and denitrifying bacterium is 4:1.
Any of the above-described scheme is preferably, and the ratio of the nitrifier and denitrifying bacterium is 3:1.
Any of the above-described scheme is preferably, and the method that denitrogenation strain is fixed on smokeless coal particle is：
(1) smokeless coal particle is washed, is filtered, drying for standby, proportionally with nitrifier and denitrifying bacterium strain
It is separately added on smokeless coal particle, suitable nutrient solution is added, stir, and adjust pH value to 7.3-8.2, it is quiet in 20-32 DEG C
Set solidification 2-3 days；
(2) after the completion of immobilization, smokeless coal particle is filtered out, is saved backup at 4 DEG C after drying；
Any of the above-described scheme is preferably, and the nutrient solution in the step (2) is using beancake powder, cornstarch, di(2-ethylhexyl)phosphate
Hydrogen potassium and magnesium sulfate are formulated.
Any of the above-described scheme is preferably, and the soya-bean cake powder content is that 0.6%, Maize Starch Content is 5%, biphosphate
Potassium content be 0.2% and sulfuric acid content of magnesium be 0.08%.
Any of the above-described scheme is preferably, and NaHCO is used in the step (1)3PH value is adjusted to 7.6.
Any of the above-described scheme is preferably, the active carbon layer packet active fruit shell carbon, wood activated charcoal and coaly activated carbon,
Grain size is 8-60 mesh.
Any of the above-described scheme is preferably, and the active fruit shell carbon includes apricot shell activated carbon, cocoanut active charcoal, walnut shell work
Property charcoal.
Any of the above-described scheme is preferably, and the sponge gourd wooden dipper layer is suppressed using sponge gourd wooden dipper.
Any of the above-described scheme is preferably, and cactus layer includes cactus, and the crust of cactus is cut into celestial being after peeling off
People slaps piece and uses, and each cactus piece thickness is 0.2-0.4cm.
Any of the above-described scheme is preferably, and has interval between the cactus layer and sponge gourd wooden dipper layer.
Any of the above-described scheme is preferably, and permeable partition cloth is arranged in each interlayer.
Any of the above-described scheme is preferably, the multiple cactus piece adjacent upright setting.
Any of the above-described scheme is preferably, and the processing staving connects cistern by water pipe, and stream is arranged on the water pipe
Gauge, the water pipe are connected by water pump with tank.
Advantageous effect
The present invention provides the minimizing technology and removal device of pollutant in a kind of water body, has the following advantages：
(1) anthracite is made full use of, is turned waste into wealth；
(2) denitrifier has the characteristics of very strong removal effect to nitrogen, and denitrifier is fixed on smokeless coal particle, carries out
Nitrification and denitrification acts on, and is finally N by the nitrogen transition in water body2Be not in nitrogen analysis to realize the purpose denitrogenated
Occur as achieving the effect that preferably to remove the nitrogen in water removal；
(3) pebble layer, quartz sand layer, pebble layer, quartz sand layer, nanometer shell bisque, anthracite coal measure, activity are set
Layer of charcoal, sponge gourd wooden dipper layer, cactus layer thickness ratio be 8:3:7:4:1:3:2:4:12.It is real by the reasonable setting of each layer sequence
The physical absorptions such as existing porous absorption and chemistry remove, and effectively remove the harmful substances such as heavy metal, the nitrogen in water body.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of a preferred embodiment of purifier of the present invention.
Specific implementation mode
In order to be best understood from technical scheme of the present invention and advantage, below by way of specific implementation mode, and in conjunction with attached drawing pair
The present invention is described further.
Embodiment 1
The preparation method of the minimizing technology of pollutant is as follows in the water body of the present invention：
The minimizing technology of pollutant in a kind of water body, the method use filler, and the filler includes multilayer pebble layer
1, the varigrained quartz sand layer 2 of multilayer, nanometer shell bisque 3, anthracite coal measure 4, active carbon layer 5, sponge gourd wooden dipper layer 6, cactus
Layer 7.
Filler includes two layers of pebble layer 1, two layers of varigrained quartz sand layer 2, nanometer shell bisque 3, anthracite coal measure
4, active carbon layer 5, sponge gourd wooden dipper layer 6, cactus layer 7, the direction entered according to runoff rainwater is followed successively by, pebble layer 1, quartz sand
Layer 2, pebble layer 1, quartz sand layer 2, nanometer shell bisque 3, anthracite coal measure 4, active carbon layer 5, sponge gourd wooden dipper layer 6, cactus layer
7。
Pebble layer 1, quartz sand layer 2, pebble layer 1, quartz sand layer 2, nanometer shell bisque 3, anthracite coal measure 4, activity
Layer of charcoal 5, sponge gourd wooden dipper layer 6, cactus layer 7 thickness ratio be 8:3:7:4:1:3:2:4:12.
Pebble layer 1 includes cobblestone, and the grain size of cobblestone is gradually reduced from top to bottom, upper layer cobblestone (upper layer goose ovum
Rock layers 1) a diameter of 4.5 ± 0.5cm, a diameter of 1.5 ± 0.5cm of lower layer's cobblestone (lower layer's pebble layer 1).Quartz sand layer
2 include quartz sand, and the grain size of quartz sand is gradually reduced from top to bottom,
The grain size of upper layer quartz sand layer 2 is 15-32mm, and the grain size of lower layer's quartz sand layer 2 is 8-15mm.
Nanometer shell bisque 3 includes nanometer oyster shell whiting, and 3 grain size of nanometer oyster shell whiting is 360~370nm.
Anthracite coal measure 4 includes smokeless coal particle, and the grain size of smokeless coal particle is 10-35mm.
5 packet active fruit shell carbon of the active carbon layer, wood activated charcoal and coaly activated carbon, grain size are 8-60 mesh.Shell is lived
Property charcoal includes apricot shell activated carbon, cocoanut active charcoal, walnut shell activated carbon.
Sponge gourd wooden dipper layer 6 is suppressed using sponge gourd wooden dipper, to make porosity become smaller, enhances filter effect.Cactus layer 7 wraps
Include cactus, the crust of cactus is cut into the use of cactus piece after peeling off, and each cactus piece thickness is 0.2-0.4cm.Each layer
Between be arranged permeable partition cloth 8 (individual permeable demarcation strip or permeable demarcation strip top are equipped with permeable partition cloth 8,
Permeable demarcation strip plays supporting role).There is interval between the cactus layer 7 and sponge gourd wooden dipper layer 6.Multiple cactus pieces are adjacent perpendicular
Straight setting.
Embodiment 2
In a kind of water body unlike the minimizing technology of pollutant and embodiment 1, pebble layer 1, quartz sand layer 2, goose ovum
The thickness ratio of rock layers 1, quartz sand layer 2, nanometer shell bisque 3, anthracite coal measure 4, active carbon layer 5, sponge gourd wooden dipper layer 6, cactus layer 7
It is 5:2:5:2:1:2:2:3:8.
Embodiment 3
In a kind of water body unlike the minimizing technology of pollutant and embodiment 1, pebble layer 1, quartz sand layer 2, goose ovum
The thickness ratio of rock layers 1, quartz sand layer 2, nanometer shell bisque 3, anthracite coal measure 4, active carbon layer 5, sponge gourd wooden dipper layer 6, cactus layer 7
It is 10:5:10:5:1.5:4:3:5:15.
Embodiment 4
In a kind of water body unlike the minimizing technology of pollutant and embodiment 1, anthracite coal measure 4 includes smokeless coal particle,
The grain size of smokeless coal particle is 10-35mm.It is fixed with denitrogenation strain on smokeless coal particle.Denitrogenation strain includes nitrifier and anti-nitre
Change bacterium.The ratio of nitrifier and denitrifying bacterium is 4:1.
The method that denitrogenation strain is fixed on smokeless coal particle is：
(1) smokeless coal particle washed, filtered, drying for standby, proportionally with nitrifier and denitrifying bacterium strain
Be separately added on smokeless coal particle, be added suitable nutrient solution, nutrient solution using beancake powder, cornstarch, potassium dihydrogen phosphate and
Magnesium sulfate is formulated.It is 5%, biphosphate potassium content is 0.2% and sulphur that soya-bean cake powder content, which is 0.6%, Maize Starch Content,
Sour content of magnesium is 0.08%.Using NaHCO3PH value is adjusted to 7.6.
Stirring stands solidification 2-3 days in 20-32 DEG C；
(2) after the completion of immobilization, smokeless coal particle is filtered out, is saved backup at 4 DEG C after drying；
Embodiment 5
A kind of purifier, as shown in Figure 1, including processing staving 9, one end of processing staving 9 is equipped with water inlet pipe 10, another
End is equipped with outlet pipe 14, and processing staving 9 connects cistern 11 by water inlet pipe 10, flowmeter 12 is arranged on the water inlet pipe 10,
The water inlet pipe 10 is connected by water pump 13 and cistern 11.It handles and is equipped with filler in staving 9, the filler includes multilayer goose ovum
The varigrained quartz sand layer 2 of rock layers 1, multilayer, nanometer shell bisque 3, anthracite coal measure 4, active carbon layer 5, sponge gourd wooden dipper layer 6, celestial being
People slaps layer 7.Outlet pipe 14 is arranged on the lower sides of processing staving 9.
Filler includes two layers of pebble layer 1, two layers of varigrained quartz sand layer 2, nanometer shell bisque 3, anthracite coal measure
4, active carbon layer 5, sponge gourd wooden dipper layer 6, cactus layer 7, the direction entered according to runoff rainwater is followed successively by, pebble layer 1, quartz sand
Layer 2, pebble layer 1, quartz sand layer 2, nanometer shell bisque 3, anthracite coal measure 4, active carbon layer 5, sponge gourd wooden dipper layer 6, cactus layer
7。
Pebble layer 1, quartz sand layer 2, pebble layer 1, quartz sand layer 2, nanometer shell bisque 3, anthracite coal measure 4, activity
Layer of charcoal 5, sponge gourd wooden dipper layer 6, cactus layer 7 thickness ratio be 8:3:7:4:1:3:2:4:12.
Pebble layer 1 includes cobblestone, and the grain size of cobblestone is gradually reduced from top to bottom, upper layer cobblestone (upper layer goose ovum
Rock layers 1) a diameter of 4.5 ± 0.5cm, a diameter of 1.5 ± 0.5cm of lower layer's cobblestone (lower layer's pebble layer 1).Quartz sand layer
2 include quartz sand, and the grain size of quartz sand is gradually reduced from top to bottom,
The grain size of upper layer quartz sand layer 2 is 15-32mm, and the grain size of lower layer's quartz sand layer 2 is 8-15mm.
Nanometer shell bisque 3 includes nanometer oyster shell whiting, and 3 grain size of nanometer oyster shell whiting is 360~370nm.
Anthracite coal measure 4 includes smokeless coal particle, and the grain size of smokeless coal particle is 10-35mm.
It is fixed with denitrogenation strain on smokeless coal particle.
Denitrogenation strain includes nitrifier and denitrifying bacterium.
The ratio of the nitrifier and denitrifying bacterium is 3:1.
The method that denitrogenation strain is fixed on smokeless coal particle is：
(1) smokeless coal particle washed, filtered, drying for standby, proportionally with nitrifier and denitrifying bacterium strain
Be separately added on smokeless coal particle, be added suitable nutrient solution, nutrient solution using beancake powder, cornstarch, potassium dihydrogen phosphate and
Magnesium sulfate is formulated.It is 5%, biphosphate potassium content is 0.2% and sulphur that soya-bean cake powder content, which is 0.6%, Maize Starch Content,
Sour content of magnesium is 0.08%.Using NaHCO3PH value is adjusted to 7.6.
Stirring stands solidification 2-3 days in 20-32 DEG C；
(2) after the completion of immobilization, smokeless coal particle is filtered out, is saved backup at 4 DEG C after drying；
5 packet active fruit shell carbon of the active carbon layer, wood activated charcoal and coaly activated carbon, grain size are 8-60 mesh.Shell is lived
Property charcoal includes apricot shell activated carbon, cocoanut active charcoal, walnut shell activated carbon.
Sponge gourd wooden dipper layer 6 is suppressed using sponge gourd wooden dipper, to make porosity become smaller, enhances filter effect.Cactus layer 7 wraps
Include cactus, the crust of cactus is cut into the use of cactus piece after peeling off, and each cactus piece thickness is 0.2-0.4cm.Each layer
Between permeable demarcation strip is set, permeable demarcation strip plays supporting role, and permeable demarcation strip top is equipped with permeable partition cloth 8.Permeable point
It prevents from mixing between each layer every cloth 8.There is interval between cactus layer 7 and sponge gourd wooden dipper layer 6.Multiple cactus piece adjacent uprights are set
It sets.
It is equipped with storage area 15, outlet pipe between 9 barrels of bottoms of permeable demarcation strip 8 and processing staving of 7 lower part of cactus layer
14 and storage area 15 be interconnected.
Embodiment 6
Volume is to be added in the cistern 11 of 200L containing N, Cd, Pb, Zn, Cr, Cu, mixed pollutants, adjusts feed water flow
Speed is 5L/h.Device continuous operation 5 days.Experiment handles the size 60 (length) * 60 of staving 9 using the purifier of embodiment 5
(width) * 60 (height) cm, according to the different fillers that the various combinations of table 1 are added, filler is respectively from the bottom to top in processing bucket body
12cm cactus layers, 4cm sponge gourd wooden dipper layers, 2cm active carbon layers (8-60 mesh), 3cm anthracite coal measures (grain size 10-35mm), and
Nanometer shell bisque (about 1cm, grain size are 360~370nm), 4cm quartz sand layers (grain size 8-16mm), 7cm pebble layer (grain sizes
For 1.5 ± 0.5cm), 3cm quartz sand layers (grain size 16-32mm), the different fillers of 8cm pebble layers (grain size be 4.5 ± 0.5cm)
Between separated with permeable demarcation strip 8.Combined sewage constant current in cistern 11 is pumped into processing bucket body 9 using small pump 13, is passed through
Processing in packing layer is crossed, is discharged by lower end outlet pipe 14.Water analysis uses atomic absorption spectrophotometry.Device operation uses
Continuum micromeehanics mode.
After operation 5 days, experimental result (being shown in Table 2, be removal rate, % vertically in table) shows in 9 kinds of examples listed by table 1,
When all fillers all load, 5 heavy metal species and two kinds of eutrophy element removal rate highests of unification are organized.Lack appoint it is one or more
Filler is planted, then removal effect is decreased obviously.
Filler in 1 device of table (√ is to have loaded, × for do not load)
2 related device removal effect of table
Embodiment 7
Unlike embodiment 6, the sequence of each packing layer is changed to be respectively from top to bottom 12cm cactus layers, 4cm
Sponge gourd wooden dipper layer, 2cm active carbon layers (8-60 mesh), 3cm anthracite coal measures (grain size 10-35mm) and nanometer shell bisque are (about
1cm, grain size are 360~370nm), 4cm quartz sand layers (grain size 8-16mm), 7cm pebble layers (grain size is 1.5 ± 0.5cm),
With permeable demarcation strip between 3cm quartz sand layers (grain size 16-32mm), the different fillers of 8cm pebble layers (grain size is 4.5 ± 0.5cm)
It separates.Combined sewage constant current in cistern is pumped into processing bucket body using small pump, by being handled in packing layer, by lower end
Outlet pipe is discharged.Water analysis uses atomic absorption spectrophotometry.Device operation uses continuum micromeehanics mode, and other conditions are not
Become.After running according to the method described above, measurement has the combination 1 that Cd, Pb, Zn, Cr, Cu, N, P removal effect are below in table 2, because
This, the sequence of 1 each packing layer of combination in above-mentioned table 2 can make realization removal effect optimal.
It should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It is still
Either which part or all technical features can be carried out so that technical scheme described in the above embodiments is modified
Equivalent replacement；And these modifications or replacements, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (10)
1. the minimizing technology of pollutant in a kind of water body, the method uses filler, it is characterised in that：The filler includes multilayer
The varigrained quartz sand layer of pebble layer, multilayer, nanometer shell bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, celestial being
Slap layer.
2. the minimizing technology of pollutant in a kind of water body as described in claim 1, it is characterised in that：The pebble layer, stone
The thickness of sand layer, pebble layer, quartz sand layer, nanometer shell bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer
Degree is than being 5-10:2~5:5~10:2~5:1~1.5:2~4:2~3:3~5:8~15.
3. the minimizing technology of pollutant in a kind of water body as described in claim 1, it is characterised in that：The pebble layer, stone
The thickness of sand layer, pebble layer, quartz sand layer, nanometer shell bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer
Degree is than being 8:3:7:4:1:3:2:4:12.
4. the minimizing technology of pollutant in a kind of water body as described in claim 1, it is characterised in that：The cobblestone wraps layer by layer
Cobblestone is included, the grain size of cobblestone is gradually reduced from top to bottom, a diameter of 1.5-4.5 ± 0.5cm of cobblestone.
5. the minimizing technology of pollutant in a kind of water body as described in claim 1, it is characterised in that：The quartz sand layer includes
The grain size of quartz sand, quartz sand is gradually reduced from top to bottom, and the grain size of quartz sand is 8-32mm.
6. the minimizing technology of pollutant in a kind of water body as described in claim 1, it is characterised in that：The nanometer shell bisque
Including nanometer oyster shell whiting, nanometer shell powder diameter is 360~370nm.
7. the minimizing technology of pollutant in a kind of water body as described in claim 1, it is characterised in that：The multiple cactus piece
Adjacent upright is arranged.
8. a kind of purifier using any one of claim 1-7 the methods, it is characterised in that：Including handling staving,
The one end for handling staving is equipped with water inlet pipe, and the other end is equipped with outlet pipe, is equipped with filler in processing bucket body, the filler includes multilayer
The varigrained quartz sand layer of pebble layer, multilayer, nanometer shell bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, celestial being
Slap layer.
9. purifier as claimed in claim 8, it is characterised in that：The pebble layer, quartz sand layer, pebble layer, stone
Sand layer, nanometer shell bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer thickness ratio be 5-10:2~5:5
~10:2~5:1~1.5:2~4:2~3:3~5:8~15.
10. purifier as claimed in claim 8, it is characterised in that：The pebble layer, quartz sand layer, pebble layer, stone
Sand layer, nanometer shell bisque, anthracite coal measure, active carbon layer, sponge gourd wooden dipper layer, cactus layer thickness ratio be 8:3:7:4:1:3:
2:4:12。
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| CN113845285A (en) * | 2021-10-27 | 2021-12-28 | 盐城师范学院 | Method for efficiently removing nonyl phenol in sludge |
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| CN117786616A (en) * | 2024-02-23 | 2024-03-29 | 自然资源部第二海洋研究所 | Method, device and medium for determining heavy metal pollution characteristics of offshore sediment |
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