CN101381182A - Decoloration treatment method of colored wastewater - Google Patents
Decoloration treatment method of colored wastewater Download PDFInfo
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- CN101381182A CN101381182A CNA200710159606XA CN200710159606A CN101381182A CN 101381182 A CN101381182 A CN 101381182A CN A200710159606X A CNA200710159606X A CN A200710159606XA CN 200710159606 A CN200710159606 A CN 200710159606A CN 101381182 A CN101381182 A CN 101381182A
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Abstract
The invention provides a method for decolorizing colored wastewater. The method can use simple equipment to efficiently decolorize the colored wastewater produced in various production fields or daily life into colorless transparent water, and can reduce BOD, COD, total nitrogen, total phosphorus and the like with low cost. The method for decolorizing colored wastewater comprises the following: a step of regulating acidity, which is to regulate the colored wastewater to be acidic; a step of destroying and separating colored components, which is to destroy and separate the colored components in the acidic wastewater subjected to the acidity regulating step; and a step of adsorbing and separating, which is to use a filter layer fixed with microorganisms to adsorb and separate the colored components destroyed and separated after the step of destroying and separating the colored components.
Description
Technical field
The present invention relates to a kind of decoloration treatment method of colored wastewater, this method can be with the dye pigment waste water of fiber industry etc., the waste water of having sneaked into glaze etc. of ceramic industry, the electroplating wastewater of metal-processing industry etc., the waste water relevant with livestock industry, agroforestry waste water, food industrial wastewater, the chemistry oil industry wastewater, electric trade effluent, the waste water of ironmaking mechanical industry, the decolourings such as colored wastewater that produce in various production scenes such as the waste water of catering trade etc. or the daily life etc., the transparent water that becomes colorless, and can reduce BOD, COD, total nitrogen, total phosphorus etc.
Background technology
At present, the decoloring method of the high density that in various activities in production, produces, lower concentration colored wastewater according to generation, produce water quality and difference.But, use these methods often unsatisfactory separately, the mode that makes up the 2-3 kind in addition can not reach satisfied treatment effect.Especially, present case is almost can not decolour.
Under small-scale situation, produce waste material person dependence and retrieve to handle.These processing comprise to be adopted electrolytic decomposition to remove processings, uses the flocculation separation of negatively charged ion, cationic flocculant to remove the active sludge treatment etc. of processing, employing microbiological degradation, but the processing cost of the by product that shared aborning ratio cumulative year after year such as the running cost of these processing, described running cost comprise the equipment cost that is used to handle, produce therewith together etc.
Therefore, under the bigger situation of wastewater flow rate, present case is that the colored wastewater that will not contain hazardous substance mixes discharging then with a large amount of process waters or seawater etc.
The content of invention
The problem that invention will solve
Shortcoming in view of aforesaid prior art, the purpose of this invention is to provide the method that a kind of colored wastewater decolouring is handled, this method uses simple equipment just the colored wastewater that produces can be decoloured into water white water efficiently in various production scenes or daily life, can also reduce BOD, COD, total nitrogen, total phosphorus etc. at low cost simultaneously.
With reference to accompanying drawing and in conjunction with following explanation, it is above-mentioned with purpose and in addition purpose and novel characteristics to understand the present invention fully.
Wherein, accompanying drawing is specifically designed to explains, and is not the qualification to the technology of the present invention scope.
The method of dealing with problems
The decoloration treatment method of the colored wastewater that the present invention relates to achieve these goals, may further comprise the steps: colored wastewater is adjusted to the acid regulating step of tart; To destroy isolating colored component through the colored component in the acid waste water of this acidity regulating step and destroy separating step; And after the destruction separating step of this colored component, use the filtering layer of having fixed microorganism will destroy the fractionation by adsorption step of isolating colored component fractionation by adsorption.
The decoloration treatment method that the present invention relates to colored wastewater may further comprise the steps:
Acid regulating step, wherein, painted colorful wastewater is mixed with acid regulator, acidity is adjusted to below the pH4, and described colorful wastewater comprises: the waste water of the waste water of the electroplating wastewater of the waste water of having sneaked into glaze etc. of the dye pigment waste water of fiber industry etc., ceramic industry, metal-processing industry etc., the waste water relevant with livestock industry, agroforestry waste water, food industrial wastewater, chemical oil industry wastewater, electric trade effluent, ironmaking mechanical industry, catering trade etc. etc.;
Colored component destroys separating step, wherein, make acid waste water destroy separate filtering layer by colored component through above-mentioned acid regulating step, colored component in the acid waste water is destroyed separation, described colored component destroy separate filtering layer be by mixed with acid-treated sawdust or in this acid-treated sawdust the smoked charcoal of rice husk (
Shell く ん charcoal), the mixture of charcoal such as gac mixes with alkaline conditioner, pH adjusted to more than 10 and preparation, described acid-treated sawdust sawdust of waste treatment when producing mushroom carries out acid treatment and obtains;
The fractionation by adsorption step, wherein, after the destruction separating step of above-mentioned colored component, colored component after destroy separating is adsorbed in the filtering layer carries out fractionation by adsorption by filtering layer, described filtering layer is that the smoked charcoal of rice husk is carried out acid treatment, and the soil microorganisms that has made it to fix nature existence then prepares.
The decoloration treatment method of the colored wastewater that the present invention relates to may further comprise the steps:
The fractionation by adsorption step, wherein, use is mixed with the filtering layer of sawdust, chips, smoked charcoal etc., and fractionation by adsorption is processed buoyant mineral wet goods on the colored wastewater of having sneaked into the mineral wet goods in the waste water that is produced at the metal parts of automobile, shipbuilding, aircraft, machine tool industry etc.;
Colored component destroys separating step, wherein, is making the pH value adjust to more than 10 through mixed-alkali conditioning agent in the colored wastewater of above-mentioned fractionation by adsorption step, destroys coloring material; And
The fractionation by adsorption step, wherein, after the destruction separating step of this colored component, carry out fractionation by adsorption by filtering layer, the colored component that will contain the mineral oil composition is adsorbed in the filtering layer, described filtering layer is that the smoked charcoal of rice husk is carried out acid treatment, and then, the soil microorganisms that makes it fixedly nature existence prepares.
The decoloration treatment method of the colored wastewater that the present invention relates to may further comprise the steps:
Colored component destroys separating step, wherein, at colored wastewater is under the situation of acid waste water, and input and mixed-alkali conditioning agent are more than 10 up to the pH value, and dropping into then and mixing acid regulator is below 3 up to the pH value, destroy the colored component that separates in the waste water, perhaps, be under the situation of alkaline waste water at colored wastewater, dropping into and mixing acid regulator is below 3 up to the pH value, input and mixed-alkali conditioning agent are more than 10 up to the pH value then, destroy the colored component that separates in the waste water;
The fractionation by adsorption step, wherein, after this colored component destroys separating step, will destroy isolating colored component by filtering layer and be adsorbed onto in the filtering layer, described filtering layer is that the smoked charcoal of rice husk is carried out acid treatment, and fixedly the soil microorganisms of occurring in nature existence prepares then.
The effect of invention
Can be clear and definite by above explanation, the present invention can access the effect of enumerating below.
(1) first scheme owing to colored wastewater treatment process of the present invention comprises: colored wastewater is adjusted to the acid regulating step of tart, to destroy isolating colored component through the colored component in the acid waste water of this acidity regulating step and destroy separating step, and after this colored component destroys separating step, the filtering layer that microorganism has been fixed in use will destroy the fractionation by adsorption step of isolating colored component fractionation by adsorption, therefore, colored wastewater can be adjusted to acidity, make after the acid waste water, destroy and separate colored component, and use the filtering layer of having fixed microorganism will destroy isolating colored component fractionation by adsorption, and then decolouring.
Therefore, it is transparent colored wastewater to be become colorless.
(2), reduce by the content of having fixed the filtering layer of microorganism, can make the BOD, the COD that contain in the colored wastewater, total nitrogen, total phosphorus etc. according to aforementioned (1).
(3),, therefore can easily handle at low cost at short notice owing to needn't use special equipment to handle according to aforementioned (1).
(4) the 2nd scheme of the present invention can obtain and the same effect in aforementioned (1)～(3), owing to carry out with the filtering layer that is fixed with microorganism by colored component destruction separate filtering layer, therefore can handle at short notice simply simultaneously.
(5) colored component by the 2nd scheme of the present invention destroys separate filtering layer and is fixed with the filtering layer of microorganism, the minute amount of noble metal or the objectionable impurities that contain in can the fractionation by adsorption colored wastewater.
(6) in the 3rd scheme of the present invention, in waste water, sneaked under the situation of mineral wet goods, can carry out fractionation by adsorption by the filtering layer that has mixed sawdust, chips, smoked charcoal (く ん charcoal) etc., make the colored component fractionation by adsorption by colored component destruction separating step and fractionation by adsorption step then, and then decolouring.
Therefore, from the colored wastewater of having sneaked into the mineral wet goods, remove mineral oil or colored component, can equally colored wastewater be processed into water white water with aforementioned (1)～(5).
(7) the 4th scheme of the present invention can obtain and the same effect in aforementioned (1)～(3), no matter colored wastewater is acidity or alkalescence, can both handle fully.
Description of drawings
Fig. 1 is a schema of implementing first scheme of the present invention.
Fig. 2 is a synoptic diagram of implementing first scheme of the present invention.
Fig. 3 is a schema of implementing alternative plan of the present invention.
Fig. 4 is a synoptic diagram of implementing alternative plan of the present invention.
Fig. 5 is a schema of implementing third party's case of the present invention.
Fig. 6 is a synoptic diagram of implementing third party's case of the present invention.
Fig. 7 is a schema of implementing cubic case of the present invention.
Fig. 8 is a synoptic diagram of implementing cubic case of the present invention.
Fig. 9 is a schema of implementing the 5th scheme of the present invention.
Figure 10 is a synoptic diagram of implementing the 5th scheme of the present invention.
Figure 11 is a schema of implementing the 6th scheme of the present invention.
Figure 12 is a synoptic diagram of implementing the 6th scheme of the present invention.
Figure 13 is a schema of implementing the 7th scheme of the present invention.
Figure 14 is a synoptic diagram of implementing the 7th scheme of the present invention.
Figure 15 is a schema of implementing all directions of the present invention case.
Figure 16 is a synoptic diagram of implementing all directions of the present invention case.
Nomenclature
1,1A, 1B, 1C, 1D, 1E, 1F: the decoloration treatment method of colored wastewater
2,2a: colored wastewater
2A: water white water
3: acid regulating step
4: acid waste water
5,5A, 5B: the destruction separating step of colored component
6,6A: fixed the filtering layer of microorganism,
7,7A: fractionation by adsorption step
8,8A: drain steps
9: pump
10: the service of colored wastewater
11: container
12: stirrer
13: acid regulator
14: the service of acid regulator
15:pH value inductor block
16,16A: destroy the filtering layer that separates colored component
17: pump
18: service
19: container
20: destroy the cartridge filter that separates colored component
21: acid-treated sawdust
22: charcoal
23: alkaline conditioner
24: the supply groove of alkaline conditioner
25: the filtering layer main body
26: pump
27: service
28: container
29: the fractionation by adsorption cartridge filter
30: rice husk is smoked charcoal
31: fractionation by adsorption filtering layer main body
32: pump
33: water shoot (draining ホ-ス)
34:pH value inductor block
35: the second fractionation by adsorption steps
36: service
37: filtering layer
38: filtering layer
39: the fractionation by adsorption step
40: acid regulator
41: alkaline waste water
Embodiment
Below, the present invention will be described in detail by enforcement the solution of the present invention shown in the drawings.
Fig. 1 and Fig. 2 illustrate and implement first embodiment of the present invention, in this scheme, the 1st, the decoloration treatment method of colored wastewater of the present invention, this method is used for various in the production scene or colored wastewater 2 decolourings that produce such as daily life, be processed into water white water 2A, described colored wastewater comprises: the dye pigment waste water of fiber industry etc., the waste water of having sneaked into glaze etc. of ceramic industry, the electroplating wastewater of metal-processing industry etc., the waste water relevant with livestock industry, agroforestry waste water, food industrial wastewater, the chemistry oil industry wastewater, electric trade effluent, the waste water of ironmaking mechanical industry, the waste water of catering trade etc. etc., the decoloration treatment method 1 of this colored wastewater is may further comprise the steps: aforementioned colored wastewater 2 is adjusted to the acid regulating step 3 of tart, to destroy isolating colored component through the colored component in the acid waste water 4 of this acidity regulating step 3 and destroy separating step 5, and after this colored component destroys separating step 5, use the filtering layer 6 of having fixed microorganism will destroy the fractionation by adsorption step 7 of isolating colored component fractionation by adsorption, to in this absorption extraction step 7, separate and be processed into the drain steps 8 that water white water is discharged.
As shown in Figure 2, in aforementioned acid regulating step 3, by the colored wastewater service 10 that pump 9 is installed colored wastewater 2 is fed in the container 11, use stirrer 12 stirs the colored wastewater 2 in this container 11 on one side, supply with acid regulators 13 such as groove 14 supply hydrochloric acid, nitric acid, sulfuric acid on one side by acid regulator, by pH value inductor block 15 waste water being adjusted to pH is below 4, preferred acid waste water 4 below 2.
The destruction separating step 5 of aforementioned colored component is undertaken by making aforementioned acid waste water 4 destroy separate filtering layer 16 by colored component, as shown in Figure 2, this colored component destroys separate filtering layer 16 and comprises cartridge filter 20 and the filtering layer main body 25 of destroying the separation colored component, by pump 17 and service 18 acid waste water 4 in the container 11 of aforementioned acid regulating step 3 is fed in the cartridge filter 20, again it is discharged into container 19 inside, filtering layer main body 25 prepares by the following method, with acid treatment sawdust 21, or in this acid treatment sawdust 21, mix rice husk and smoke charcoal, charcoals such as gac 22 obtain mixture, supply with groove 24 by alkaline conditioner then and in above-mentioned acid treatment sawdust 21 or mixture, supply mixing alkaline conditioner 23, thereby the pH value is adjusted to more than 10, described acid treatment sawdust 21 by to be accommodated in this destruction when separating productions mushroom in the cartridge filter 20 of colored component the sawdust of waste treatment carry out acid treatment and obtain.
As shown in Figure 2, the filtering layer of having fixed microorganism 6 that uses in aforementioned fractionation by adsorption step 7 comprises fractionation by adsorption cartridge filter 29 and filtering layer main body 31, destroy with aforementioned that the destroyed isolating waste water of colored component in the container 19 is fed in the cartridge filter 29 in the separating step 5 by pump 26 and service 27 at colored component, again it is discharged into container 28 inside, filtering layer main body 31 comprise the smoked charcoals 30 of the rice husks in the cartridge filter 29 that is accommodated in this fractionation by adsorption are carried out acid treatment after, make it the soil microorganisms of fixedly nature existence and the rice husk that obtains is smoked charcoal.
In aforementioned drain steps 8, the water white water 2A in the container 28 that uses in the aforementioned fractionation by adsorption step 7 is discharged into the outside by pump 32 and scupper hose 33.
The pH value that the colored wastewater of handling through the decoloration treatment method 1 of above-mentioned colored wastewater 2 destroys separate filtering layer 16 by colored component is adjusted to the filtering layer main body 25 more than 10, the major part of the colored component in the colored wastewater 2 is separated, color sensation (color and taste) disappearance, thin out.
The further fractionation by adsorption filtering layer main body 31 of the filtering layer 6 by having fixed microorganism in fractionation by adsorption step 7 has been adsorbed more than 99% of colored component of color sensation disappearance, thin out colored wastewater, has discharged water white clean water.
In addition, in the container 28 that in aforementioned absorption extraction step 7, uses pH value inductor block 34 is set, discharges in the time of only in the set(ting)value of this pH value inductor block 34.
Then, the different embodiments of the present invention of the enforcement shown in Fig. 3 to Figure 16 is described.In addition, when these implemented different schemes of the present invention in explanation, the component part identical with aforementioned enforcement first scheme of the present invention used same symbol, omitted repeat specification at this.
Fig. 3 and Fig. 4 illustrate and implement alternative plan of the present invention, and the main difference point of this scheme and aforementioned enforcement first scheme of the present invention is: use the same filtering layer of having fixed microorganism 6 to carry out the 2nd fractionation by adsorption step 35 after fractionation by adsorption step 7.In the colored wastewater decoloration treatment method 1A that has used the 2nd such fractionation by adsorption step 35, also can obtain and the identical action effect of aforementioned enforcement first scheme of the present invention, also can absorb the colored component of removing in the colored wastewater simultaneously fully.
Fig. 5 and Fig. 6 illustrate and implement third party's case of the present invention, the main difference point of this scheme and aforementioned enforcement alternative plan of the present invention is: supply acid regulator in the filtering layer of having fixed microorganism 6,6 of fractionation by adsorption step 7 and the 2nd fractionation by adsorption step 35, if surpass the set(ting)value of pH value inductor block 34,34, will stop to handle operation automatically according to this signal, supply with groove 14 from acid regulator and in the filtering layer 6,6 of having fixed microorganism, supply acid regulator 13, the filtering layer 6,6 of microorganism has been fixed in washing, makes its functional rehabilitation.The acid regulator 13 that uses in the washing supplies in the container 11 that carries out acid regulating step 3 by service 36.
In addition, handling the self-braking while of operation, supplying with the destruction of groove 24 to colored component destruction separating step 5 from alkaline conditioner and separate supply alkaline conditioner 23 in the filtering layer 16 of colored component, recovering after the basicity, operation also can automatically recover.
Fig. 7 and Fig. 8 illustrate and implement cubic case of the present invention, this scheme is with the main difference point of aforementioned enforcement first scheme of the present invention: used the colored component that is provided with 2 layers of filtering layer main body 25,25 in destroying the cartridge filter 20 that separates colored component to destroy separate filtering layer 16A, carried out the destruction separating step 5A of colored component.Used and comprised that this colored component destroys the decoloration treatment method 1B of the colored wastewater of separating step 5A, can obtain and the identical action effect of aforementioned enforcement first scheme of the present invention.
Fig. 9 and Figure 10 illustrate the 5th scheme of the present invention of implementing, the main difference point of this scheme and aforementioned enforcement first scheme of the present invention is: used the filtering layer 6A that is fixed with microorganism that is provided with 2 layers of fractionation by adsorption filtering layer main body 31,31 in fractionation by adsorption cartridge filter 29, the step 7A that carries out fractionation by adsorption uses the decoloration treatment method 1C of the colored wastewater that contains this fractionation by adsorption step 7A, can obtain and the identical action effect of aforementioned enforcement the present invention first scheme.
Figure 11 and Figure 12 illustrate the 6th scheme of the present invention of implementing, the main difference point of this scheme and aforementioned enforcement first scheme of the present invention is: use filtering layer 37, carry out the destruction separating step 5B of colored component, described filtering layer 37 comprises that being arranged on colored component destroys filtering layer main body 25 in the separating and filtering tube 20 and fractionation by adsorption filtering layer main body 31 these 2 layers, and destroys with colour content and to separate and the fractionation by adsorption effect.Use such decoloration treatment method 1D that colour content is destroyed the colored wastewater of separating step 5B that includes, can obtain and the identical action effect of aforementioned enforcement the present invention first scheme.
Figure 13 and Figure 14 illustrate the 7th scheme of the present invention of implementing, the main difference point of this scheme and aforementioned enforcement the 6th form of the present invention is: in order to handle from automobile, shipbuilding, aircraft, the colored wastewater 2a that has sneaked into the mineral wet goods of the metal parts processing of machine tool industry etc., carry out by being mixed with sawdust, chips, the fractionation by adsorption step 39 that the filtering layer 38 of smoked charcoal comes fractionation by adsorption buoyant mineral wet goods on colored wastewater 2a, and, the colored wastewater of handling through this fractionation by adsorption step 39 2 is carried out the destruction separating step 5 of colored component, fractionation by adsorption step 7 and drain steps 8A, carry out the decoloration treatment method 1E of colored wastewater thus, described drain steps 8A mixes acid regulator 40 with the pH value discharge waste water of suitable discharging.By adopting such method to handle, can from the colored wastewater 2a that sneaks into the mineral wet goods, remove mineral oil or colored component efficiently, be processed into water water white, the most suitable discharging and discharge.
Figure 15 and Figure 16 illustrate and implement all directions of the present invention case, this scheme is with the main difference point of aforementioned enforcement first scheme of the present invention: destruction separating step 5C and the fractionation by adsorption step 7 of destroying the colored component that separates in the waste water, carry out the decoloration treatment method 1F of colored wastewater thus, in the destruction separating step 5C of colored component, dropping into also when colored wastewater is acid waste water 4, mixed-alkali conditioning agent 23 is more than 10 up to the pH value, dropping into then and mixing acid regulator 13 is below 3 up to the pH value, perhaps dropping into and mix acid regulator 13 when colored wastewater is alkaline waste water 41 is below 3 up to the pH value, and dropping into also then, mixed-alkali conditioning agent 23 is more than 10 up to the pH value; In fractionation by adsorption step 7, behind the destruction separating step 5C of this colored component, the acid treatment rice husk is smoked charcoal 30, and the filtering layer of the soil microorganisms by having fixed nature existence will destroy isolating colored component and be adsorbed onto on the filtering layer then.Handle by such method, can obtain and the identical action effect of aforementioned enforcement first scheme of the present invention, also can carry out the decolouring of colored wastewater simultaneously more fully and handle.
Industrial applicibility
The colored wastewater that the present invention can be used in producing in various production scenes or the daily life etc. advances In the industry that the row decolouring is processed.
Claims (4)
1. the decoloration treatment method of a colored wastewater, this method may further comprise the steps:
Acid regulating step is adjusted to acidity with colored wastewater;
Colored component destroys separating step, will destroy separation through the colored component in the acid waste water of above-mentioned acid regulating step; And,
The fractionation by adsorption step after above-mentioned colored component destroys separating step, uses the filtering layer that is fixed with microorganism to carry out fractionation by adsorption to destroying isolating colored component.
2. the decoloration treatment method of a colored wastewater, this method may further comprise the steps:
Acid regulating step, wherein, painted colorful wastewater is mixed with acid regulator, acidity is adjusted to below the pH4, and described colorful wastewater comprises: the waste water of the waste water of the electroplating wastewater of the waste water of having sneaked into glaze etc. of the dye pigment waste water of fiber industry etc., ceramic industry, metal-processing industry etc., the waste water relevant with livestock industry, agroforestry waste water, food industrial wastewater, chemical oil industry wastewater, electric trade effluent, ironmaking mechanical industry, catering trade etc. etc.;
Colored component destroys separating step, wherein, make acid waste water destroy separate filtering layer by colored component through above-mentioned acid regulating step, colored component in the acid waste water is destroyed separation, it is to mix with alkaline conditioner by the mixture that has mixed charcoals such as the smoked charcoal of rice husk, gac with acid-treated sawdust or in this acid-treated sawdust that described colored component destroys separate filtering layer, pH adjusted to more than 10 and preparation, described acid-treated sawdust sawdust of waste treatment when producing mushroom carries out acid treatment and obtains;
The fractionation by adsorption step wherein, after the destruction separating step of above-mentioned colored component, is carried out acid treatment to the smoked charcoal of rice husk, and the filtering layer of the soil microorganisms by having fixed nature existence is adsorbed on the colored component that destroys after separating in the filtering layer then.
3. the decoloration treatment method of a colored wastewater, this method may further comprise the steps:
The fractionation by adsorption step, wherein, use is mixed with the filtering layer of sawdust, chips, smoked charcoal etc., and fractionation by adsorption is processed buoyant mineral wet goods on the colored wastewater of having sneaked into the mineral wet goods in the waste water that is produced at metal partss such as automobile, shipbuilding, aircraft, machine tool industries;
Colored component destroys separating step, wherein, is making the pH value adjust to more than 10 through mixed-alkali conditioning agent in the colored wastewater of above-mentioned fractionation by adsorption step, destroys coloring material; And
The fractionation by adsorption step, wherein, after the destruction separating step of this colored component, carry out fractionation by adsorption by filtering layer, the colored component that will contain the mineral oil composition is adsorbed in the filtering layer, described filtering layer is that the smoked charcoal of rice husk is carried out acid treatment, and then, the soil microorganisms that makes it fixedly nature existence prepares.
4. the decoloration treatment method of a colored wastewater, this method may further comprise the steps:
Colored component destroys separating step, wherein, at colored wastewater is under the situation of acid waste water, and dropping into the mixed-alkali conditioning agent is more than 10 up to the pH value, and dropping into then and mixing acid regulator is below 3 up to the pH value, destroy the colored component that separates in the waste water, perhaps, be under the situation of alkaline waste water at colored wastewater, dropping into the mixing acid regulator is below 3 up to the pH value, input and mixed-alkali conditioning agent are more than 10 up to the pH value then, destroy the colored component that separates in the waste water;
The fractionation by adsorption step, wherein, after this colored component destroys separating step, will destroy isolating colored component by filtering layer and be adsorbed onto in the filtering layer, described filtering layer is that the smoked charcoal of rice husk is carried out acid treatment, and fixedly the soil microorganisms of occurring in nature existence prepares then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710159606XA CN101381182A (en) | 2007-09-06 | 2007-09-06 | Decoloration treatment method of colored wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710159606XA CN101381182A (en) | 2007-09-06 | 2007-09-06 | Decoloration treatment method of colored wastewater |
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| CN101381182A true CN101381182A (en) | 2009-03-11 |
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| CNA200710159606XA Pending CN101381182A (en) | 2007-09-06 | 2007-09-06 | Decoloration treatment method of colored wastewater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332821A (en) * | 2013-06-21 | 2013-10-02 | 浙江吉华集团股份有限公司 | Method for treating waste water containing sulfuric acid in production process of dyes and intermediates |
| CN105060558A (en) * | 2015-08-04 | 2015-11-18 | 浙江闰土研究院有限公司 | Pretreatment and resource utilization method of disperse blue 56 condensation wastewater |
| CN110553996A (en) * | 2019-09-19 | 2019-12-10 | 安徽建筑大学城市建设学院 | Detection apparatus for coloured water |
-
2007
- 2007-09-06 CN CNA200710159606XA patent/CN101381182A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332821A (en) * | 2013-06-21 | 2013-10-02 | 浙江吉华集团股份有限公司 | Method for treating waste water containing sulfuric acid in production process of dyes and intermediates |
| CN103332821B (en) * | 2013-06-21 | 2016-03-30 | 浙江吉华集团股份有限公司 | Vitriolated method of wastewater treatment in a kind of dye well intermediate production process |
| CN105060558A (en) * | 2015-08-04 | 2015-11-18 | 浙江闰土研究院有限公司 | Pretreatment and resource utilization method of disperse blue 56 condensation wastewater |
| CN105060558B (en) * | 2015-08-04 | 2017-06-27 | 浙江闰土研究院有限公司 | A kind of pretreatment of Disperse Blue-56 condensation waste water and resource utilization method |
| CN110553996A (en) * | 2019-09-19 | 2019-12-10 | 安徽建筑大学城市建设学院 | Detection apparatus for coloured water |
| CN110553996B (en) * | 2019-09-19 | 2021-10-01 | 临沂市泓润环境检测有限公司 | Detection apparatus for coloured water |
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