CN108529746A - A kind of method of ammonia nitrogen and total nitrogen in removal dyeing waste water - Google Patents
A kind of method of ammonia nitrogen and total nitrogen in removal dyeing waste water Download PDFInfo
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- CN108529746A CN108529746A CN201810233126.1A CN201810233126A CN108529746A CN 108529746 A CN108529746 A CN 108529746A CN 201810233126 A CN201810233126 A CN 201810233126A CN 108529746 A CN108529746 A CN 108529746A
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/006—Regulation methods for biological 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
- 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
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/347—Use of yeasts or fungi
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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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
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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Abstract
The invention discloses a kind of methods of ammonia nitrogen and total nitrogen in removal dyeing waste water, stage, nitrification establishment stage and water improvement stage are accompanied including biochemistry expansion, shorten the domestication time of microorganism fungus kind, ensure that being discharged ammonia nitrogen value and total values of nitrogen might can reach level-one A standards, stable water outlet, and can apply at the scene, it is easy to operate, solve the problems, such as that dyeing waste water ammonia nitrogen is intractable.
Description
Technical field
The present invention relates to the sides of ammonia nitrogen and total nitrogen in microorganisms technical field more particularly to a kind of removal dyeing waste water
Method.
Background technology
Dyeing is industrial wastewater discharge rich and influential family, mainly contained in dyeing waste water dyestuff, slurry, auxiliary agent, finish, acid,
Alkali, fiber impurity and inorganic salts etc., with complicated component, hardly degraded organic substance content is high, coloration is high, basicity is high, water is big, can
The features such as biochemical is poor needs to use urea in production process, causes ammonia in waste water since part printing and dyeing enterprise has printing technology
Nitrogen concentration is high, part wool manufacturing printing and dyeing enterprise and the waste water that high ammonia nitrogen partly can be also given off using the enterprise of dyestuff containing ammonia nitrogen.This
Outside, 60% or more it is azo dyes in dyeing waste water, most of azo dyes can just obtain by Anaerobic Treatment
Effective decoloration and degradation, while there may be the aromatic amine pollutants of toxic bigger after dye decolored, keep printing and dyeing useless
The difficulty bigger of denitrogenation of water processing.
The pollution of Water element can also cause the adverse effect of ecology and health aspect, and ammonia is to water when most directly influencing
The murder by poisoning of biology.Ammonia ion (NH in water4 +) and molecule (NH3) form presence, cause the mainly NH3 of toxic action.
For most of fish, the NH in water body3Lethal dose be 1mg/L.
The denitrification process of dyeing waste water includes mainly two processes of nitrification and denitrification
Typical autotrophic type microorganism, growth period is long, slow-growing, more sensitive to environmental change, so nitrobacteria is suitable
Answering property and tolerance are poor.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of side removing ammonia nitrogen and total nitrogen in dyeing waste water
Method shortens the domestication time of microorganism fungus kind, it is ensured that and water outlet ammonia nitrogen value and total values of nitrogen might can reach level-one A standards, stable water outlet, and
It can apply at the scene, it is easy to operate, solve the problems, such as that dyeing waste water ammonia nitrogen is intractable.
In order to solve the above technical problem, the present invention provides the sides of ammonia nitrogen and total nitrogen in a kind of removal dyeing waste water
Method, including:
One, biochemical expand accompanies the stage
(1), Blastocystis and genus lactubacillus are weighed, is added in reaction bulb, with tap water and dyeing waste water dilution activation bacterium
It after kind, uniformly spills in anaerobic pond, and anaerobic pond is stirred, has polyurethane nano filler and printing and dyeing useless in anoxic pond
Water;
Blastocystis and nitrifier are weighed, is added in reaction bulb, after tap water and dyeing waste water dilution activation strain,
It is even to spill in aerobic tank, and aerobic tank is aerated, there is polyurethane nano filler and dyeing waste water in aerobic tank;
Denitrifying bacterium is weighed, is added in reaction bulb, after tap water and dyeing waste water dilution activation strain, is uniformly spilt in scarce
In oxygen pond, and anoxic pond is stirred, there is polyurethane nano filler and dyeing waste water in anoxic pond;
(2), so that the concentration of the ammonia nitrogen in anaerobic pond and aerobic tank is in preset range, and make the total nitrogen in anoxic pond
Concentration is in preset range;
(3), anaerobic pond, aerobic tank are connected to anoxic pond, wherein the waste water in anaerobic pond unidirectionally enters aerobic tank
In, the waste water in aerobic tank unidirectionally enters in anoxic pond, and dyeing waste water is added in anaerobic pond by incremental mode,
The clean water for finally passing through anoxic pond processing is discharged from anoxic pond.
As the improvement of said program, dilution activation strain includes the following steps:
Strain is dissolved with 1-10 parts of tap water and 1 part of dyeing waste water dilution, 1-10 parts are added in reaction bulb after 1.5-3.5h
2-10 parts of dyeing waste waters in reaction bulb are added after 3-6h for dyeing waste water, and strain is activated after 5-8h.
As the improvement of said program, 0.02-0.2L polyurethane nano fillers are added in every part of dyeing waste water.
As the improvement of said program, the specific surface area of the polyurethane nano filler is 30000-50000m2/m3, hole
Degree is 75-90%, water imbibition 50-200%.
As the improvement of said program, the anaerobic pond, aerobic tank and anoxic pond are before being added strain by anaerobic pond, good
The pH of oxygen pond and anoxic pond is adjusted to 7.0-8.0.
As the improvement of said program, weighs Blastocystis and each 0.1-1g of genus lactubacillus is added in reaction bulb, weigh ferment
Female Pseudomonas and each 0.1-1g of nitrifier are added in reaction bulb, weigh 0.1-1g denitrifying bacteriums and are added in reaction bulb.
As the improvement of said program, the denitrifying bacterium is one or both of bacillus, pseudomonad.
As the improvement of said program, by the temperature control of anaerobic pond at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO
In≤0.2mg/L, mixing speed is controlled in 80-250rpm so that the concentration of ammonia nitrogen is in preset range in anaerobic pond;
By the temperature control of aerobic tank at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in 2-4mg/L so that aerobic
The concentration of ammonia nitrogen is in preset range in pond;
By the temperature control of anoxic pond at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in≤0.5mg/L so that are lacked
Total nitrogen concentration in oxygen pond is in preset range.
As the improvement of said program, the preset range of ammonia nitrogen concentration refers to that the total amount of ammonia in anaerobic pond is in anaerobic pond
The 80-100% of total nitrogen total amount, the preset range of ammonia nitrogen concentration refers to ammonia nitrogen degradation in aerobic tank to minimum point in aerobic tank,
The preset range of total nitrogen concentration refers to that the total nitrogen in anoxic pond is degraded to minimum point in anoxic pond.
As the improvement of said program, dyeing waste water is added in anaerobic pond by incremental mode, including following step
Suddenly:
After anaerobic pond, aerobic tank are connected to 4-8 days with anoxic pond, dyeing waste water is added in anaerobic pond, increases by 20%
Dyeing waste water amount;
When the total nitrogen concentration in anoxic pond is less than 10-15mg/L, ammonia nitrogen concentration is less than 4-8mg/L, it is added to anaerobic pond
In dyeing waste water amount increase by 40%;
When the total nitrogen concentration in anoxic pond is less than 10-15mg/L, the dyeing waste water amount being added in anaerobic pond increases
60%;
When the total nitrogen concentration in anoxic pond is less than 10-15mg/L, the dyeing waste water amount being added in anaerobic pond increases
80%;
When the total nitrogen concentration in anoxic pond is less than 10-15mg/L, the dyeing waste water amount being added in anaerobic pond increases
100%, the clean water for finally passing through anoxic pond processing is discharged from aerobic tank.
Implement the present invention, has the advantages that:
The present invention is accompanied stage, nitrification establishment stage and water improvement stage by biochemistry expansion, shortens microorganism fungus kind
The domestication time, it is ensured that water outlet ammonia nitrogen value and total values of nitrogen might can reach level-one A standards, stable water outlet, and can apply at the scene, operate
Simply, solve the problems, such as that dyeing waste water ammonia nitrogen is intractable.
Description of the drawings
Fig. 1 is that the water outlet ammonia nitrogen of 1 anoxic pond of the embodiment of the present invention and total nitrogen change over time relational graph;
Fig. 2 is that the water outlet ammonia nitrogen of 2 anoxic pond of the embodiment of the present invention and total nitrogen change over time relational graph;
Fig. 3 is that the water outlet ammonia nitrogen of 3 anoxic pond of the embodiment of the present invention and total nitrogen change over time relational graph.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
The method of ammonia nitrogen and total nitrogen in a kind of removal dyeing waste water disclosed by the invention, including:
One, biochemical expand accompanies the stage
Blastocystis and genus lactubacillus are weighed, is added in reaction bulb, after tap water and dyeing waste water dilution activation strain,
It uniformly spills in anaerobic pond, and anaerobic pond is stirred, there is polyurethane nano filler and dyeing waste water in anoxic pond;
Blastocystis and nitrifier are weighed, is added in reaction bulb, after tap water and dyeing waste water dilution activation strain,
It is even to spill in aerobic tank, and aerobic tank is aerated, there is polyurethane nano filler and dyeing waste water in aerobic tank;
Denitrifying bacterium is weighed, is added in reaction bulb, after tap water and dyeing waste water dilution activation strain, is uniformly spilt in scarce
In oxygen pond, and anoxic pond is stirred, there is polyurethane nano filler and dyeing waste water in anoxic pond.
Wherein, dilution activation strain includes the following steps:With 1-10 parts of tap water and 1-10 parts of dyeing waste water dilution dissolvings
Strain, is added 1-10 part dyeing waste waters in reaction bulb after 1.5-3.5h, 2-10 parts of dyeing waste waters, 5- in addition reaction bulb after 3-6h
Strain is activated after 8h.
Preferably, strains are dissolved with 1-5 parts of tap water and 1-5 parts of dyeing waste water dilutions, reaction bulb is added after 1.5-3.5h
2-5 parts of dyeing waste waters in reaction bulb are added after 3-5h for middle 1-5 parts of dyeing waste water, and strain is activated after 6h.
More preferably, strain is dissolved with 1 part of tap water and 1 part of dyeing waste water dilution, it is useless that 1 part of printing and dyeing in reaction bulb is added after 2h
2 parts of dyeing waste waters in reaction bulb are added after 4h for water, and strain is activated after 6h.
Specifically, biochemical expand accompanies the stage to include the following steps:
(1), Blastocystis and genus lactubacillus are weighed, is added in reaction bulb, with 100-1000ml tap water and 100-
1000ml dyeing waste waters dilution dissolving strain, is added the dyeing waste water of 100-1000ml in reaction bulb after 1.5-3.5h, after 3-6h
200-1000ml dyeing waste waters in reaction bulb are added, uniformly spill the strain of activation in anaerobic pond after 5-8h, and to anaerobic pond
It is stirred, there is polyurethane nano filler and dyeing waste water in anoxic pond.
Preferably, Blastocystis and genus lactubacillus are weighed, is added in reaction bulb, with 100-500ml tap water and 100-
Strain is dissolved in the dilution of 500ml dyeing waste waters, and the dyeing waste water of 100-500ml in reaction bulb is added after 1.5-3.5h, adds after 3-5h
Enter 200-500ml dyeing waste waters in reaction bulb, uniformly spills the strain of activation in anaerobic pond after 6h, and anaerobic pond is stirred
It mixes, there is polyurethane nano filler and dyeing waste water in anoxic pond.
More preferably, Blastocystis and genus lactubacillus are weighed, is added in reaction bulb, is printed and dyed with 100ml tap water and 100ml useless
Strain is dissolved in water dilution, and the dyeing waste water of 100ml in reaction bulb is added after 2h, 200ml dyeing waste waters in reaction bulb are added after 4h,
The strain of activation is uniformly spilt in anaerobic pond after 6h, and anaerobic pond is stirred, is filled out with polyurethane nano in anoxic pond
Material and dyeing waste water.
(2), Blastocystis and nitrifier are weighed, is added in reaction bulb, with 100-1000ml tap water and 100-1000ml
Dyeing waste water dilution dissolving strain, and be aerated, the dyeing waste water of 100-1000ml in reaction bulb, 3- are added after 1.5-3.5h
200-1000ml dyeing waste waters in reaction bulb are added after 6h, uniformly spill the strain of activation in aerobic tank after 5-8h, and to good
Oxygen pond is aerated, and has polyurethane nano filler and dyeing waste water in aerobic tank.It should be noted that the nitrifier is preferred
For bacterium nitrobacter.
Preferably, Blastocystis and nitrifier are weighed, is added in reaction bulb, with 100-500ml tap water and 100-500ml
Dyeing waste water dilution dissolving strain, and be aerated, the dyeing waste water of 100-500ml in reaction bulb, 3- are added after 1.5-3.5h
200-500ml dyeing waste waters in reaction bulb are added after 5h, uniformly spill the strain of activation in aerobic tank after 6h, and to aerobic tank
It is aerated, there is polyurethane nano filler and dyeing waste water in aerobic tank.
More preferably, Blastocystis and nitrifier are weighed, is added in reaction bulb, with 100ml tap water and 100ml dyeing waste waters
Dilution dissolving strain, and be aerated, the dyeing waste water of 100ml in reaction bulb is added after 2h, 200ml in reaction bulb is added after 2h
The strain of activation is uniformly spilt in aerobic tank after 6h, and is aerated to aerobic tank by dyeing waste water, has poly- ammonia in aerobic tank
Ester Nano filling and dyeing waste water.
(3), denitrifying bacterium is weighed, is added in reaction bulb, with 100-1000ml tap water and 100-1000ml dyeing waste waters
Strain is dissolved in dilution, and the dyeing waste water of 100-1000ml in reaction bulb is added after 1.5-3.5h, is added in reaction bulb after 3-6h
The strain of activation is uniformly spilt in anoxic pond after 5-8h, and is stirred to anoxic pond, anoxic by 200-1000ml dyeing waste waters
There is polyurethane nano filler and dyeing waste water in pond.It should be noted that the denitrifying bacterium is bacillus, pseudomonad
One or both of.
Preferably, denitrifying bacterium is weighed, is added in reaction bulb, with 100-500ml tap water and 100-500ml dyeing waste waters
Strain is dissolved in dilution, and the dyeing waste water of 100-500ml in reaction bulb is added after 1.5-3.5h, 200- in reaction bulb is added after 3-5h
The strain of activation is uniformly spilt in anoxic pond after 6h, and is stirred to anoxic pond by 500ml dyeing waste waters, is had in anoxic pond
There are polyurethane nano filler and dyeing waste water.
More preferably, denitrifying bacterium is weighed, is added in reaction bulb, with 100ml tap water and the dilution dissolving of 100ml dyeing waste waters
The dyeing waste water of 100ml in reaction bulb is added after 2h for strain, and 200ml dyeing waste waters in reaction bulb are added after 4h, will activation after 6h
Strain uniformly spill in anoxic pond, and anoxic pond is stirred, has polyurethane nano filler and printing and dyeing useless in anoxic pond
Water.
It should be noted that the sequence of step (1), step (2) and step (3) can be interchanged.Before activating strain, need
First to prepare anaerobic pond, aerobic tank and anoxic pond.Specifically, taking three 5L glass jars, number is anaerobic pond, aerobic tank and anoxic
Pond is injected separately into 4.5L dyeing waste waters, and the pH of aerobic tank and anoxic pond is adjusted to 7.0- using sodium bicarbonate or dilute sulfuric acid
8.0, and polyurethane nano filler is added into anaerobic pond, aerobic tank and anoxic pond.Preferably, by anaerobic pond, aerobic tank and lack
The pH in oxygen pond is adjusted to 7.5.Wherein, 0.02-0.2L polyurethane nano fillers are added in every part of dyeing waste water.Preferably, every part of print
It contaminates waste water and 0.5L polyurethane nano fillers is added.Referring to table 1, the specific surface area of the polyurethane nano filler is 30000-
50000m2/m3, porosity 75-90%, water imbibition 50-200%.
1 polyurethane nano filler index parameter of table
Preferably, weigh Blastocystis and each 0.1-1g of genus lactubacillus, be added in reaction bulb, with 100ml tap water and
Strain is dissolved in the dilution of 100ml dyeing waste waters, and the dyeing waste water of 100ml in reaction bulb is added after 2h, is added in reaction bulb after 4h
The strain of activation is uniformly spilt in anaerobic pond after 6h, and is stirred to anaerobic pond by 200ml dyeing waste waters, is had in anoxic pond
There are polyurethane nano filler and dyeing waste water.
Preferably, weigh Blastocystis and each 0.1-0.5g of genus lactubacillus, be added in reaction bulb, with 100ml tap water and
Strain is dissolved in the dilution of 100ml dyeing waste waters, and the dyeing waste water of 100ml in reaction bulb is added after 2h, is added in reaction bulb after 4h
The strain of activation is uniformly spilt in anaerobic pond after 6h, and is stirred to anaerobic pond by 200ml dyeing waste waters, is had in anoxic pond
There are polyurethane nano filler and dyeing waste water.
More preferably, weigh Blastocystis and each 0.25g of genus lactubacillus, be added in reaction bulb, with 100ml tap water and
Strain is dissolved in the dilution of 100ml dyeing waste waters, and the dyeing waste water of 100ml in reaction bulb is added after 2h, is added in reaction bulb after 4h
The strain of activation is uniformly spilt in anaerobic pond after 6h, and is stirred to anaerobic pond by 200ml dyeing waste waters, is had in anoxic pond
There are polyurethane nano filler and dyeing waste water.
Preferably, Blastocystis and each 0.1-1g of nitrifier are weighed, is added in reaction bulb, with 100ml tap water and 100ml
Dyeing waste water dilution dissolving strain, and be aerated, the dyeing waste water of 100ml in reaction bulb is added after 2h, reaction is added after 4h
The strain of activation is uniformly spilt in aerobic tank after 6h, and is aerated to aerobic tank, aerobic tank by 200ml dyeing waste waters in bottle
In have polyurethane nano filler and dyeing waste water.
Preferably, weigh Blastocystis and each 0.1-0.5g of nitrifier, be added in reaction bulb, with 100ml tap water and
100ml dyeing waste waters dilution dissolving strain, and be aerated, the dyeing waste water of 100ml in reaction bulb is added after 2h, is added after 4h
The strain of activation is uniformly spilt in aerobic tank after 6h, and is aerated to aerobic tank by 200ml dyeing waste waters in reaction bulb, good
There is polyurethane nano filler and dyeing waste water in oxygen pond.
More preferably, Blastocystis and each 0.25g of nitrifier are weighed, is added in reaction bulb, with 100ml tap water and 100ml
Dyeing waste water dilution dissolving strain, and be aerated, the dyeing waste water of 100ml in reaction bulb is added after 2h, reaction is added after 4h
The strain of activation is uniformly spilt in aerobic tank after 6h, and is aerated to aerobic tank, aerobic tank by 200ml dyeing waste waters in bottle
In have polyurethane nano filler and dyeing waste water.
Preferably, denitrifying bacterium 0.1-1g is weighed, is added in reaction bulb, it is dilute with 100ml tap water and 100ml dyeing waste waters
It releases dissolving strain, the dyeing waste water of 100ml in reaction bulb is added after 2h, be added 200ml dyeing waste waters in reaction bulb after 4h, after 6h
The strain of activation is uniformly spilt in anoxic pond, and anoxic pond is stirred, in anoxic pond have polyurethane nano filler and
Dyeing waste water.
Preferably, denitrifying bacterium 0.1-0.5g is weighed, is added in reaction bulb, with 100ml tap water and 100ml dyeing waste waters
Strain is dissolved in dilution, and the dyeing waste water of 100ml in reaction bulb is added after 2h, 200ml dyeing waste waters in reaction bulb, 6h is added after 4h
The strain of activation is uniformly spilt in anoxic pond afterwards, and anoxic pond is stirred, there is polyurethane nano filler in anoxic pond
And dyeing waste water.
More preferably, denitrifying bacterium 0.25g is weighed, is added in reaction bulb, it is dilute with 100ml tap water and 100ml dyeing waste waters
It releases dissolving strain, the dyeing waste water of 100ml in reaction bulb is added after 2h, be added 200ml dyeing waste waters in reaction bulb after 4h, after 6h
The strain of activation is uniformly spilt in anoxic pond, and anoxic pond is stirred, in anoxic pond have polyurethane nano filler and
Dyeing waste water.
Biochemical expand of the present invention accompanies characteristic of the stage mainly by using microorganism to environmental suitability progressive formation, gradually
Waste strength is improved, the death rate caused by environment factor is microorganism is reduced, to improve the activity of excitation microorganism.
Two, nitrification establishment stage
Make the concentration of the ammonia nitrogen in anaerobic pond and aerobic tank in preset range, and makes the total nitrogen concentration in anoxic pond
In preset range.
1, the temperature of anaerobic pond is controlled at 25-30 DEG C, pH controls are in 7.5-8.5, and DO controls are in≤0.2mg/L, stirring
Speed control is in 80-250rpm so that the concentration of ammonia nitrogen is in preset range in anaerobic pond.Specifically, so that ammonia nitrogen in anaerobic pond
Concentration close to total nitrogen concentration, and ammonia nitrogen concentration stop increase, at this point, the system of anaerobic pond is in stable state.It is preferred that
, the preset range of ammonia nitrogen concentration refers to the 80-100% that the total amount of ammonia in anaerobic pond is total nitrogen total amount in anaerobic pond.More preferably
, the preset range of ammonia nitrogen concentration refers to the 90-100% that the total amount of ammonia in anaerobic pond is total nitrogen total amount in anaerobic pond.
In the present invention, the main function of anaerobic pond is that dyeing waste water is made to carry out ammoniation and denitrification, i.e., sharp
By the nitrogen-containing organic compound ammonification in dyeing waste water it is ammonia nitrogen with microorganism decomposition ability, wherein ammonia nitrogen is got over total nitrogen numerical value
Close, ammonification effect is better.
2, the temperature of aerobic tank is controlled at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in≤2-4mg/L so that
The concentration of ammonia nitrogen is in preset range in aerobic tank.Preferably, in aerobic tank the concentration of ammonia nitrogen in preset range refers to aerobic tank
Ammonia nitrogen degradation to minimum point, and pH value stops variation, at this point, the nitrification in aerobic tank is in stable state.More preferably,
A concentration of 2.4mg/L of the concentration of ammonia nitrogen ammonia nitrogen in preset range refers to aerobic tank in aerobic tank.
In the present invention, the effect of aerobic tank be using nitrobacteria by the mineralized nitrogen in dyeing waste water be nitrate nitrogen.
Wherein, mineralized nitrogen is the process that the process of nitrate nitrogen is a production acid, can be changed by the pH detected in aerobic tank to judge
The conversion situation of ammonia nitrogen in aerobic tank.
3, the temperature of anoxic pond is controlled at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in≤0.5mg/L so that
Total nitrogen concentration in anoxic pond is in preset range.Preferably, the preset range of total nitrogen concentration refers in anoxic pond in anoxic pond
Total nitrogen is degraded to minimum point.More preferably, the preset range of total nitrogen concentration refers to that the concentration of total nitrogen in anoxic pond is small in anoxic pond
In equal to 6.3mg/L.
In the present invention, the main function of anoxic pond is that dyeing waste water is made to carry out ammoniation and denitrification, i.e., sharp
The total nitrogen in dyeing waste water is degraded with microorganism decomposition ability.
Three, the water improvement stage
Anaerobic pond, aerobic tank are connected to anoxic pond, wherein the waste water in anaerobic pond unidirectionally enters in aerobic tank, good
Waste water in oxygen pond unidirectionally enters in anoxic pond, and dyeing waste water is added in anaerobic pond by incremental mode, finally
It is discharged from anoxic pond by the clean water that anoxic pond is handled.
1, pipeline connects, and anaerobic pond, aerobic tank is connected to anoxic pond, wherein the waste water in anaerobic pond unidirectionally enters
In aerobic tank, the waste water in aerobic tank unidirectionally enters in anoxic pond.Specifically, by water pipe by the lower end of anaerobic pond with it is aerobic
The upper end in pond is connected to, and the lower end of aerobic tank is connected to the upper end of anoxic pond.Preferably, using the hose of DN5mm by
Anaerobic pond, aerobic tank are connected to anoxic pond.
2, flow is promoted, and dyeing waste water is added in anaerobic pond by incremental mode, is included the following steps:
After anaerobic pond, aerobic tank and anoxic pond are connected to 6 days, dyeing waste water is added in anaerobic pond, increases by 20%
Dyeing waste water amount;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, ammonia nitrogen concentration is less than 5mg/L, the print that is added in anaerobic pond
It contaminates wastewater flow rate and increases by 40%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 60%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 80%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 100%,
The clean water for finally passing through anoxic pond processing is discharged from aerobic tank.
In the present invention, anaerobic pond, aerobic tank and the dyeing waste water of anoxic pond are stepped up by the water improvement stage
Treating capacity so that bacterium of the invention gradually adapts to the dyeing waste water of high ammonia nitrogen, high total nitrogen, to strengthen the stabilization of nitrification
Property, it is ensured that the ammonia nitrogen concentration of clean water is less than 5mg/L, and the concentration of total nitrogen is less than 12mg/L.In addition, by the water improvement stage come
Verification high concentration nitrite does not generate inhibiting effect to the ammoniation of bacterium in the present invention.
With specific embodiment, the present invention is further explained below
Embodiment 1
(1), Blastocystis and genus lactubacillus each 0.1 are weighed, is added in reaction bulb, is printed and dyed with 100ml tap water and 100ml
Wastewater dilution dissolves strain, and the dyeing waste water of 100ml in reaction bulb is added after 2h, and it is useless that 200ml printing and dyeing in reaction bulb are added after 4h
The strain of activation is uniformly spilt in anaerobic pond after 6h, and is stirred to anaerobic pond by water, has 0.5L polyurethane in anoxic pond
Nano filling and 4.5L dyeing waste waters;
(2), Blastocystis and each 0.1g of nitrifier are weighed, is added in reaction bulb, is printed and dyed with 100ml tap water and 100ml
Wastewater dilution dissolves strain, and is aerated, and the dyeing waste water of 100ml in reaction bulb is added after 2h, is added in reaction bulb after 4h
The strain of activation is uniformly spilt in aerobic tank after 6h, and is aerated to aerobic tank by 200ml dyeing waste waters, is had in aerobic tank
There are 0.5L polyurethane nanos filler and 4.5L dyeing waste waters;
(3) denitrifying bacterium 0.1g is weighed, is added in reaction bulb, with 100ml tap water and the dilution dissolving of 100ml dyeing waste waters
The dyeing waste water of 100ml in reaction bulb is added after 2h for strain, and 200ml dyeing waste waters in reaction bulb are added after 4h, will activation after 6h
Strain uniformly spill in anoxic pond, and anoxic pond is stirred, have in anoxic pond 0.5L polyurethane nanos filler and
4.5L dyeing waste water;
(4), the temperature of anaerobic pond is controlled at 25-30 DEG C, pH controls are controlled in≤0.2mg/L, stirred in 7.5-8.5, DO
Speed control is mixed in 80-250rpm so that the total amount of ammonia in anaerobic pond is the 90-100% of total nitrogen total amount;
By the temperature control of aerobic tank at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in 2-4mg/L so that aerobic
The concentration of ammonia nitrogen in pond is less than or equal to 2.4mg/L;
By the temperature control of anoxic pond at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in≤0.5mg/L so that are lacked
The concentration of total nitrogen in oxygen pond is less than or equal to 6.3mg/L.
(5), anaerobic pond, aerobic tank are connected to anoxic pond, wherein the waste water in anaerobic pond unidirectionally enters aerobic tank
In, the waste water in aerobic tank unidirectionally enters in anoxic pond;
After 6 days, dyeing waste water is added in anaerobic pond, increases by 20% dyeing waste water amount;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, ammonia nitrogen concentration is less than 5mg/L, the print that is added in anaerobic pond
It contaminates wastewater flow rate and increases by 40%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 60%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 80%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 100%,
The clean water for finally passing through anoxic pond processing is discharged from aerobic tank.
Embodiment 2
(1), Blastocystis and genus lactubacillus each 0.175 are weighed, is added in reaction bulb, is printed with 100ml tap water and 100ml
It contaminates wastewater dilution and dissolves strain, the dyeing waste water of 100ml in reaction bulb is added after 2h, 200ml in reaction bulb is added after 4h and prints and dyes
The strain of activation is uniformly spilt in anaerobic pond after 6h, and is stirred to anaerobic pond by waste water, has the poly- ammonia of 0.5L in anoxic pond
Ester Nano filling and 4.5L dyeing waste waters;
(2), Blastocystis and each 0.175g of nitrifier are weighed, is added in reaction bulb, is printed with 100ml tap water and 100ml
It contaminates wastewater dilution and dissolves strain, and be aerated, the dyeing waste water of 100ml in reaction bulb is added after 2h, reaction bulb is added after 4h
The strain of activation is uniformly spilt in aerobic tank after 6h, and is aerated to aerobic tank by middle 200ml dyeing waste waters, in aerobic tank
With 0.5L polyurethane nanos filler and 4.5L dyeing waste waters;
(3) denitrifying bacterium 0.175g is weighed, is added in reaction bulb, it is molten with 100ml tap water and the dilution of 100ml dyeing waste waters
Strain is solved, the dyeing waste water of 100ml in reaction bulb is added after 2h, 200ml dyeing waste waters in reaction bulb are added after 4h, will swash after 6h
Strain living is uniformly spilt in anoxic pond, and is stirred to anoxic pond, in anoxic pond have 0.5L polyurethane nanos filler and
4.5L dyeing waste water;
(4), the temperature of anaerobic pond is controlled at 25-30 DEG C, pH controls are controlled in≤0.2mg/L, stirred in 7.5-8.5, DO
Speed control is mixed in 80-250rpm so that the total amount of ammonia in anaerobic pond is the 90-100% of total nitrogen total amount;
By the temperature control of aerobic tank at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in 2-4mg/L so that aerobic
The concentration of ammonia nitrogen in pond is less than or equal to 2.4mg/L;
By the temperature control of anoxic pond at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in≤0.5mg/L so that are lacked
The concentration of total nitrogen in oxygen pond is less than or equal to 6.3mg/L.
(5), anaerobic pond, aerobic tank are connected to anoxic pond, wherein the waste water in anaerobic pond unidirectionally enters aerobic tank
In, the waste water in aerobic tank unidirectionally enters in anoxic pond;
After 6 days, dyeing waste water is added in anaerobic pond, increases by 20% dyeing waste water amount;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, ammonia nitrogen concentration is less than 5mg/L, the print that is added in anaerobic pond
It contaminates wastewater flow rate and increases by 40%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 60%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 80%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 100%,
The clean water for finally passing through anoxic pond processing is discharged from aerobic tank.
Embodiment 3
(1), Blastocystis and genus lactubacillus each 0.25 are weighed, is added in reaction bulb, is printed with 100ml tap water and 100ml
It contaminates wastewater dilution and dissolves strain, the dyeing waste water of 100ml in reaction bulb is added after 2h, 200ml in reaction bulb is added after 4h and prints and dyes
The strain of activation is uniformly spilt in anaerobic pond after 6h, and is stirred to anaerobic pond by waste water, has the poly- ammonia of 0.5L in anoxic pond
Ester Nano filling and 4.5L dyeing waste waters;
(2), Blastocystis and each 0.25g of nitrifier are weighed, is added in reaction bulb, is printed and dyed with 100ml tap water and 100ml
Wastewater dilution dissolves strain, and is aerated, and the dyeing waste water of 100ml in reaction bulb is added after 2h, is added in reaction bulb after 4h
The strain of activation is uniformly spilt in aerobic tank after 6h, and is aerated to aerobic tank by 200ml dyeing waste waters, is had in aerobic tank
There are 0.5L polyurethane nanos filler and 4.5L dyeing waste waters;
(3) denitrifying bacterium 0.25g is weighed, is added in reaction bulb, it is molten with 100ml tap water and the dilution of 100ml dyeing waste waters
Strain is solved, the dyeing waste water of 100ml in reaction bulb is added after 2h, 200ml dyeing waste waters in reaction bulb are added after 4h, will swash after 6h
Strain living is uniformly spilt in anoxic pond, and is stirred to anoxic pond, in anoxic pond have 0.5L polyurethane nanos filler and
4.5L dyeing waste water;
(4), the temperature of anaerobic pond is controlled at 25-30 DEG C, pH controls are controlled in≤0.2mg/L, stirred in 7.5-8.5, DO
Speed control is mixed in 80-250rpm so that the total amount of ammonia in anaerobic pond is the 90-100% of total nitrogen total amount;
By the temperature control of aerobic tank at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in 2-4mg/L so that aerobic
The concentration of ammonia nitrogen in pond is less than or equal to 2.4mg/L;
By the temperature control of anoxic pond at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in≤0.5mg/L so that are lacked
The concentration of total nitrogen in oxygen pond is less than or equal to 6.3mg/L.
(5), anaerobic pond, aerobic tank are connected to anoxic pond, wherein the waste water in anaerobic pond unidirectionally enters aerobic tank
In, the waste water in aerobic tank unidirectionally enters in anoxic pond;
After 6 days, dyeing waste water is added in anaerobic pond, increases by 20% dyeing waste water amount;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, ammonia nitrogen concentration is less than 5mg/L, the print that is added in anaerobic pond
It contaminates wastewater flow rate and increases by 40%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 60%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 80%;
When the total nitrogen concentration in anoxic pond is less than 12mg/L, the dyeing waste water amount being added in anaerobic pond increases by 100%,
The clean water for finally passing through anoxic pond processing is discharged from aerobic tank.
The water outlet ammonia nitrogen and total nitrogen of the anoxic pond of embodiment 1-3 are detected, as a result as shown in Figure 1-Figure 3.It needs
It is bright, in embodiment 1-3, use same dyeing waste water, wherein the total nitrogen concentration of dyeing waste water is 35.66mg/
L, ammonia nitrogen concentration 19.5mg/L.
Fig. 1 is that the water outlet ammonia nitrogen of 1 anoxic pond of the embodiment of the present invention and total nitrogen change over time relational graph.Ordinate is in figure
The concentration of ammonia nitrogen and total nitrogen in anoxic pond, unit mg/L.Fig. 2 is the water outlet ammonia nitrogen of 2 anoxic pond of the embodiment of the present invention and total
Nitrogen changes over time relational graph.Ordinate is the concentration of the ammonia nitrogen and total nitrogen in anoxic pond, unit mg/L in figure.Fig. 3 is this
The water outlet ammonia nitrogen and total nitrogen of 3 anoxic pond of inventive embodiments change over time relational graph.Ordinate is the ammonia nitrogen in anoxic pond in figure
With the concentration of total nitrogen, unit mg/L.
By Fig. 1-Fig. 3 it is found that after nitrification establishment stage, under ammonia nitrogen and total nitrogen concentration in anoxic pond continue
Drop, and when water increases, the concentration of ammonia nitrogen and total nitrogen in anoxic pond can slightly rise a bit, but can then decline.
Because when water increases, the microorganism fungus kind in anaerobic pond, aerobic tank and anoxic pond needs the time to be adapted to and be located
Reason, when water increases to 100%, the microorganism fungus kind in anaerobic pond, aerobic tank and anoxic pond has been already adapted to highly concentrated
The dyeing waste water for spending ammonia nitrogen, high concentration total nitrogen, can continue to handle above-mentioned dyeing waste water in large quantities.In addition, in a certain range,
Ammonia nitrogen and total nitrogen concentration in anoxic pond are reduced with the increase of microorganism fungus kind dosage.
It is above disclosed to be only a preferred embodiment of the present invention, the power of the present invention cannot be limited with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of method of the ammonia nitrogen and total nitrogen in removal dyeing waste water, which is characterized in that including:
(1), Blastocystis and genus lactubacillus are weighed, is added in reaction bulb, after tap water and dyeing waste water dilution activation strain,
It uniformly spills in anaerobic pond, and anaerobic pond is stirred, there is polyurethane nano filler and dyeing waste water in anoxic pond;
Blastocystis and nitrifier are weighed, is added in reaction bulb, after tap water and dyeing waste water dilution activation strain, is uniformly spilt
It is aerated in aerobic tank, and to aerobic tank, there is polyurethane nano filler and dyeing waste water in aerobic tank;
Denitrifying bacterium is weighed, is added in reaction bulb, after tap water and dyeing waste water dilution activation strain, is uniformly spilt in anoxic pond
In, and anoxic pond is stirred, there is polyurethane nano filler and dyeing waste water in anoxic pond;
(2), so that the concentration of the ammonia nitrogen in anaerobic pond and aerobic tank is in preset range, and make the total nitrogen concentration in anoxic pond
In preset range;
(3), anaerobic pond, aerobic tank are connected to anoxic pond, wherein the waste water in anaerobic pond unidirectionally enters in aerobic tank, good
Waste water in oxygen pond unidirectionally enters in anoxic pond, and dyeing waste water is added in anaerobic pond by incremental mode, finally
It is discharged from anoxic pond by the clean water that anoxic pond is handled.
2. the method for the ammonia nitrogen and total nitrogen in removal dyeing waste water as described in claim 1, which is characterized in that dilution activation bacterium
Kind includes the following steps:
Strains are dissolved with 1-10 parts of tap water and 1-10 parts of dyeing waste water dilutions, 1-10 parts of prints in reaction bulb are added after 1.5-3.5h
Waste water is contaminated, 2-10 parts of dyeing waste waters in reaction bulb are added after 3-6h, strain is activated after 5-8h.
3. the method for the ammonia nitrogen and total nitrogen in removal dyeing waste water as claimed in claim 1 or 2, which is characterized in that every part of print
It contaminates waste water and 0.02-0.2 parts of polyurethane nano fillers is added.
4. the method for the ammonia nitrogen and total nitrogen in removal dyeing waste water as claimed in claim 3, which is characterized in that the polyurethane
The specific surface area of Nano filling is 30000-50000m2/m3, porosity 75-90%, water imbibition 50-200%.
5. the method for the ammonia nitrogen and total nitrogen in removal dyeing waste water as described in claim 1, which is characterized in that the anaerobism
The pH of anaerobic pond, aerobic tank and anoxic pond is adjusted to 7.0-8.0 by pond, aerobic tank and anoxic pond before strain is added.
6. the method for the ammonia nitrogen and total nitrogen in removal dyeing waste water as described in claim 1, which is characterized in that weigh saccharomycete
Belong to and each 0.1-1g of genus lactubacillus is added in reaction bulb, weighs Blastocystis and each 0.1-1g of nitrifier is added in reaction bulb, claim
0.1-1g denitrifying bacteriums are taken to be added in reaction bulb.
7. the method for the ammonia nitrogen and total nitrogen in removal dyeing waste water as described in claim 1 or 6, which is characterized in that described anti-
Nitrifier is one or both of bacillus, pseudomonad.
8. the method for the ammonia nitrogen and total nitrogen in removal dyeing waste water as described in claim 1, which is characterized in that by anaerobic pond
Temperature control is at 25-30 DEG C, and pH controls are in 7.5-8.5, and in≤0.2mg/L, mixing speed is controlled in 80-250rpm for DO controls,
So that the concentration of ammonia nitrogen is in preset range in anaerobic pond;
By the temperature control of aerobic tank at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in 2-4mg/L so that in aerobic tank
The concentration of ammonia nitrogen is in preset range;
By the temperature control of anoxic pond at 25-30 DEG C, pH controls are controlled in 7.5-8.5, DO in≤0.5mg/L so that anoxic pond
In total nitrogen concentration in preset range.
9. the method for the ammonia nitrogen and total nitrogen in removal dyeing waste water as described in claim 1, which is characterized in that ammonia in anaerobic pond
The preset range of nitrogen concentration refers to the 80-100% that total amount of ammonia in anaerobic pond is total nitrogen total amount, ammonia nitrogen concentration in aerobic tank
Preset range refers to ammonia nitrogen degradation in aerobic tank to minimum point, and the preset range of total nitrogen concentration refers in anoxic pond in anoxic pond
Total nitrogen be degraded to minimum point.
10. the method for the ammonia nitrogen and total nitrogen in removal dyeing waste water as described in claim 1, which is characterized in that by being incremented by
Mode dyeing waste water is added in anaerobic pond, include the following steps:
After anaerobic pond, aerobic tank are connected to 4-8 days with anoxic pond, dyeing waste water is added in anaerobic pond, increases by 20% print
Contaminate wastewater flow rate;
When the total nitrogen concentration in anoxic pond is less than 10-15mg/L, ammonia nitrogen concentration is less than 4-8mg/L, it is added in anaerobic pond
Dyeing waste water amount increases by 40%;
When the total nitrogen concentration in anoxic pond is less than 10-15mg/L, the dyeing waste water amount being added in anaerobic pond increases by 60%;
When the total nitrogen concentration in anoxic pond is less than 10-15mg/L, the dyeing waste water amount being added in anaerobic pond increases by 80%;
When the total nitrogen concentration in anoxic pond is less than 10-15mg/L, the dyeing waste water amount being added in anaerobic pond increases by 100%,
The clean water for finally passing through anoxic pond processing is discharged from aerobic tank.
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CN102936084A (en) * | 2012-11-29 | 2013-02-20 | 华纺股份有限公司 | Printing and dyeing wastewater treatment process without sludge discharge |
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