CN109665614A - A kind of dyeing waste water biological carbon filter saturation filler functionalization reuse method - Google Patents
A kind of dyeing waste water biological carbon filter saturation filler functionalization reuse method Download PDFInfo
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- CN109665614A CN109665614A CN201910072605.4A CN201910072605A CN109665614A CN 109665614 A CN109665614 A CN 109665614A CN 201910072605 A CN201910072605 A CN 201910072605A CN 109665614 A CN109665614 A CN 109665614A
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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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/106—Carbonaceous materials
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Water Treatment By Sorption (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a kind of dyeing waste water biological carbon filters to be saturated filler functionalization reuse method; it is characterized in that, taking the saturation granular activated carbon of enriched microorganism and organic matter in biological aerated filter, added into the closed reaction kettle of hydro-thermal; iron powder is added, heating carries out hydro-thermal reaction；After hydro-thermal reaction, it is down to room temperature to reaction kettle, discharging simultaneously separates acquisition iron carbon composite and hydro-thermal liquid；Iron carbon composite is added again into biological aerated filter as filler, for strengthening nitrogen phosphorus and organic matter in removal dyeing waste water, plays the role of advanced treating to dyeing waste water；Zero-valent Iron class Fenton's reaction is carried out to hydro-thermal liquid, removes the organic matter and heavy metal being discharged into hydro-thermal liquid in water-heat process, treated, and water outlet is mixed with effluent of aeration biological filter, is discharged after up to standard.Operation of the present invention is simple, is easy to be engineered, and is saturated filler functionalization recycling for dyeing waste water biological carbon filter and provides a kind of feasible method.
Description
Technical field
The present invention relates to a kind of dyeing waste water biological carbon filters to be saturated filler functionalization reuse method, belongs to environmentally friendly skill
Art field.
Background technique
General textile technology process include: singe, desizing, kiering, bleaching, dyeing, stamp, the processes such as final finishing, printing and dyeing
Waste water is the general name for the waste water that above-mentioned process procedure generates.In actual production, dyeing waste water complicated components, variation water quality are big, have
Machine object is difficult to degrade, biodegradability is poor, and conventional processing method is difficult that two stage biological processing water outlet is made to reach emission request, thus
Developing advanced treatment process on the basis of two stage treatment is that common method is transformed in sewage plant.
For dyeing waste water, commonly a kind of advanced treatment process is Gas biological filter at present.Biological aerated filter
Usually with the granulated filler of filling such as granular activated carbon (GAC) be carrier, be aerated in pond, by biodegrade with
It absorbs and filter two kinds of reaction process and merges the treatment process in same processing unitary reactor.Biological aerated filter is initially
With the organic matter in the absorption of granular activated carbon and interception capacity removal sewage, with the growth of aeration time, granular activated carbon
Surface grown a large amount of biomembrane, when waste water flows through, utilize the high concentration active microorganism of biomembrane appended by filter material surface
Oxygenolysis and the utilization lesser feature of granular activated carbon partial size, give full play to biological flocculation, the life of microorganism
The physical absorption of object film and filler and crown_interception realize efficiently going for pollutant, while reaching the effect of synchronous denitrification dephosphorizing
Fruit.During treatment of dyeing wastewater, with the growth of aeration time, filler GAC gradually adsorption saturation and the surface GAC
Biomembrane constantly thickens, and to guarantee the operation of BAF efficient stable, filter tank is backwashed, it is therefore an objective to discharge and cut on filtrate
The suspended matter stayed, the activity, the quickening mass transport process that increase biomembrane etc., with the increase of backwash number, partial filler loss
Seriously, the part replacement for needing to carry out filler, can generate the rejected particles active carbon of a large amount of enriched microorganisms and organic matter, make
At the serious wasting of resources.It is still few for the processing of disused stuffing material and disposition research at present.
Summary of the invention
Problem to be solved by this invention is: how to realize that dyeing waste water biological carbon filter saturation filler functionalization is sharp again
With.
To solve the above problems, the invention adopts the following technical scheme:
A kind of dyeing waste water biological carbon filter saturation filler functionalization reuse method, which is characterized in that including following step
It is rapid:
Step 1): taking the saturation granular activated carbon of enriched microorganism and organic matter in biological aerated filter, added to
In the closed reaction kettle of hydro-thermal, iron powder is added, heating carries out hydro-thermal reaction；
Step 2): after hydro-thermal reaction, being down to room temperature to reaction kettle, discharging and separating obtain iron carbon composite and
Hydro-thermal liquid；
Step 3): iron carbon composite is added again into biological aerated filter as filler, for strengthening removal print
The nitrogen phosphorus and organic matter in waste water are contaminated, plays the role of advanced treating to dyeing waste water；
Step 4): Zero-valent Iron class Fenton's reaction is carried out to hydro-thermal liquid, removes in water-heat process and is discharged into having in hydro-thermal liquid
Machine object and heavy metal, treated, and water outlet is mixed with effluent of aeration biological filter, is discharged after up to standard.
Preferably, the volume for the granular activated carbon that biological aerated filter is saturated in the step 1) is reactor volume
40%-75%；The 50%-75% for adding water that liquid level is made to rise to effective height in reaction kettle.
Preferably, the mass ratio of iron powder and saturation granular activated carbon is 1:5-1:8 in the step 1).
Preferably, the heating method in the step 1) is using steam heating, heat-conducting oil heating or electric heating, heating temperature
Degree is 160-240 DEG C, heating time 0.5-5h.
Preferably, step 3) the iron carbon composite adds after mixing with other conventional fillers to biological aerated filter
Middle to be used as additional fillers, iron carbon composite accounts for the 30%-50% of total filler quality.
Preferably, the initial pH value that hydro-thermal liquid carries out the processing of Zero-valent Iron class Fenton's reaction in the step 4) is 3-5；Its
In, Zero-valent Iron uses iron powder, and initial dosage is 3-10g/L hydro-thermal liquid, and adds the H that mass concentration is 30%2O2, throw
Dosage is 1-5mL/L hydro-thermal liquid, and the processing time is 1-4h；After to add NaOH to adjust pH value be 8-9, by coagulating sedimentation,
Qualified discharge after supernatant is mixed with effluent of aeration biological filter, precipitating sludge are transported outward as solid waste and are disposed.
The present invention carries out hydrothermal carbonization processing to the saturation granular activated carbon of generation, is added during hydrothermal carbonization suitable
The microorganism of the molysite of amount, the granular activated carbon of saturation and the organic matter of activated carbon adsorption and enrichment passes through hydrothermal carbonization shape
At iron charcoal compound bio Carbon Materials, hydro-thermal liquid is up to standard after mixing after the processing of Zero-valent Iron class Fenton with effluent of aeration biological filter
Discharge.By hydro-thermal process saturation granular activated carbon regeneration, and efficiently use activated carbon adsorption organic matter and enrichment it is micro-
Biology, the molysite in composite material can achieve the purpose modified to carbon material, and molysite can be handled with enhanced biological and be imitated
Fruit improves the effect of biological carbon and phosphorous removal.Iron carbon composite is back to biological aerated filter as filler, utilizes its suction
Enhanced biodegradation effect after attached crown_interception and later period biofilm, carries out advanced treating to dyeing waste water, realizes biology
The functionalization that carbon filtering pool is saturated filler recycles.
The present invention carries out hydro-thermal carbon to a large amount of rejected particles active carbons generated in biological aerated filter advanced treatment process
Change processing, adds molysite in water-heat process, makes the organic matter of discarded granular activated carbon and activated carbon adsorption and enrichment
Microorganism is carbonized in water-heat process forms iron carbon composite, and the hydrothermal product of acquisition has absorption property and composite wood
The biological treatment effect of waste water can be improved in molysite in material, is added again to biological aerated filter as filler.Hydro-thermal liquid is through zero
Valence iron class Fenton processing after with effluent of aeration biological filter mixing qualified discharge.
Compared with prior art, the invention has the following beneficial effects:
(1) this method has fully considered the organic matter and enriched microorganism of granular activated carbon adsorption, by its same particle
Active carbon carries out hydro-thermal process jointly, in addition to the regeneration for realizing granular activated carbon, organic matter and enrichment to adsorption
Microorganism can realize that charcoal is made in resource utilization；
(2) the biological treatment effect of waste water can be improved in the iron carbon composite that iron powder preparation is added in this method water-heat process
Fruit；
(3) this method can realize that the functionalization of biological carbon filter saturation filler recycles, and the granular activated carbon of saturation is provided
Sourceization utilizes, and generally reduces the investment and operating cost of wastewater treatment.
Detailed description of the invention
Fig. 1 is that the technique of dyeing waste water biological carbon filter provided by the invention saturation filler functionalization reuse method is shown
It is intended to.
Specific embodiment
In order to make the present invention more obvious and understandable, hereby with preferred embodiment, and attached drawing is cooperated to be described in detail below.
Embodiment 1
A kind of dyeing waste water biological carbon filter saturation filler functionalization reuse method, comprising the following steps:
Step 1): iron powder and saturation granular activated carbon that mass ratio is 1:6 are added to hydro-thermal confined reaction tank, body
Product is the 50% of reactor volume, and in a kettle plus water makes liquid level rise to the 70% of effective height, using steam heating side
Formula, sludge temperature is 180 DEG C in airtight heating to kettle, keeps 160min；
Step 2): after hydro-thermal reaction, it is down to room temperature to reaction kettle, mixed material in kettle is discharged and separates acquisition
Iron carbon composite；；
Step 3): the iron charcoal compounded mix of acquisition is added again into biological aerated filter as filler, compounded mix
The removal rate for accounting for 35%, COD of total filler volume improves 30% compared with blank group, and the removal rate of total nitrogen improves 25% compared with blank group；
Step 4): handling hydro-thermal liquid with Zero-valent Iron class Fenton's reaction, and the initial dosage of iron powder is 5g/L hydro-thermal liquid, according to
The ratio of 3mL/L hydro-thermal liquid adds the H that mass concentration is 30%2O2, 1h is reacted, adding NaOH adjusting pH value after reaction is
8.0, through coagulating sedimentation, the removal rate of COD is 70% in supernatant, and the removal rate of heavy metal is 75%.
Embodiment 2
A kind of dyeing waste water biological carbon filter saturation filler functionalization reuse method, comprising the following steps:
Step 1): iron powder and saturation granular activated carbon that mass ratio is 1:5 are added to hydro-thermal confined reaction tank, body
Product is the 60% of reactor volume, and in a kettle plus water makes liquid level rise to the 75% of effective height, using heat-conducting oil heating
Mode, sludge temperature is 180 DEG C in airtight heating to kettle, keeps 4h；
Step 2): after hydro-thermal reaction, being down to room temperature to reaction kettle, discharging to filter device, by filtration treatment,
Separation obtains iron carbon composite；
Step 3): the iron carbon composite of acquisition is added again into biological aerated filter as filler, compounded mix
The removal rate for accounting for 45%, COD of total filler volume improves 40% compared with blank group, and the removal rate of total nitrogen improves 30% compared with blank group；
Step 4): handling hydro-thermal liquid with Zero-valent Iron class Fenton's reaction, and the initial dosage of iron powder is 5g/L hydro-thermal liquid, according to
The ratio of 5mL/L hydro-thermal liquid adds the H that mass concentration is 30%2O2, 2h is reacted, adding NaOH adjusting pH value after reaction is
8.5, through coagulating sedimentation, the removal rate of COD is 75% in supernatant, and the removal rate of heavy metal is 80%.
Claims (6)
1. a kind of dyeing waste water biological carbon filter is saturated filler functionalization reuse method, which comprises the following steps:
Step 1): the saturation granular activated carbon of enriched microorganism and organic matter in biological aerated filter is taken, is added to hydro-thermal
In closed reaction kettle, iron powder is added, heating carries out hydro-thermal reaction；
Step 2): after hydro-thermal reaction, it is down to room temperature to reaction kettle, discharging simultaneously separates acquisition iron carbon composite and hydro-thermal
Liquid；
Step 3): iron carbon composite is added again into biological aerated filter as filler, useless for strengthening removal printing and dyeing
Nitrogen phosphorus and organic matter in water, play the role of advanced treating to dyeing waste water；
Step 4): Zero-valent Iron class Fenton's reaction is carried out to hydro-thermal liquid, removes the organic matter being discharged into hydro-thermal liquid in water-heat process
And heavy metal, treated, and water outlet is mixed with effluent of aeration biological filter, is discharged after up to standard.
2. dyeing waste water biological carbon filter as described in claim 1 is saturated filler functionalization reuse method, which is characterized in that
The volume for the granular activated carbon that biological aerated filter is saturated in the step 1) is the 40%-75% of reactor volume；Reaction kettle
In plus water so that liquid level is risen to the 50%-75% of effective height.
3. dyeing waste water biological carbon filter as described in claim 1 is saturated filler functionalization reuse method, which is characterized in that
The mass ratio of iron powder and saturation granular activated carbon is 1:5-1:8 in the step 1).
4. dyeing waste water biological carbon filter as described in claim 1 is saturated filler functionalization reuse method, which is characterized in that
For heating method in the step 1) using steam heating, heat-conducting oil heating or electric heating, heating temperature is 160-240 DEG C, is added
The hot time is 0.5-5h.
5. dyeing waste water biological carbon filter as described in claim 1 is saturated filler functionalization reuse method, which is characterized in that
Step 3) the iron carbon composite is added into biological aerated filter after mixing with other conventional fillers as additional fillers, iron
Carbon composite accounts for the 30%-50% of total filler quality.
6. dyeing waste water biological carbon filter as described in claim 1 is saturated filler functionalization reuse method, which is characterized in that
It is 3-5 that hydro-thermal liquid, which carries out the initial pH value of Zero-valent Iron class Fenton's reaction processing, in the step 4)；Wherein, Zero-valent Iron uses iron
Powder, initial dosage are 3-10g/L hydro-thermal liquid, and add the H that mass concentration is 30%2O2, dosage is 1-5mL/L water
Hydrothermal solution, processing time are 1-4h；After add NaOH adjust pH value be 8-9, by coagulating sedimentation, supernatant and aeration and biological
Qualified discharge after the water outlet mixing of filter tank, precipitating sludge are transported outward as solid waste and are disposed.
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| CN201910072605.4A CN109665614A (en) | 2019-01-25 | 2019-01-25 | A kind of dyeing waste water biological carbon filter saturation filler functionalization reuse method |
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| CN201910072605.4A CN109665614A (en) | 2019-01-25 | 2019-01-25 | A kind of dyeing waste water biological carbon filter saturation filler functionalization reuse method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655186A (en) * | 2019-11-19 | 2020-01-07 | 云南大学 | Biochar-based filter bed device and method for treating acidic heavy metal wastewater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512973A (en) * | 2016-11-10 | 2017-03-22 | 中南大学 | Regeneration method of low-carbon-loss activated carbon |
| CN108558152A (en) * | 2018-02-02 | 2018-09-21 | 东华大学 | A kind of method of river bottom mud recycling |
| CN108862852A (en) * | 2018-07-04 | 2018-11-23 | 东华大学 | A kind of method that magnetic bio charcoal strengthens dyeing waste water biological denitrificaion |
-
2019
- 2019-01-25 CN CN201910072605.4A patent/CN109665614A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512973A (en) * | 2016-11-10 | 2017-03-22 | 中南大学 | Regeneration method of low-carbon-loss activated carbon |
| CN108558152A (en) * | 2018-02-02 | 2018-09-21 | 东华大学 | A kind of method of river bottom mud recycling |
| CN108862852A (en) * | 2018-07-04 | 2018-11-23 | 东华大学 | A kind of method that magnetic bio charcoal strengthens dyeing waste water biological denitrificaion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655186A (en) * | 2019-11-19 | 2020-01-07 | 云南大学 | Biochar-based filter bed device and method for treating acidic heavy metal wastewater |
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Application publication date: 20190423 |