CN106830503A - A kind of industrial dye waste water reuse technology - Google Patents
A kind of industrial dye waste water reuse technology Download PDFInfo
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- CN106830503A CN106830503A CN201710023691.0A CN201710023691A CN106830503A CN 106830503 A CN106830503 A CN 106830503A CN 201710023691 A CN201710023691 A CN 201710023691A CN 106830503 A CN106830503 A CN 106830503A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2101/301—Detergents, surfactants
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of reuse technology of industrial dye waste water, it comprises the following steps：Regulation pH value；Flocculating setting；Coagulation agent；MBR；Sand filtration；Counter-infiltration etc.；(1) handling process of the invention can effectively be reclaimed to industrial dye, saving water resource.(2) present invention solves the problems, such as that surfactant causes NF membrane and reverse osmosis membrane to block, and reduces the cleaning frequency of film, extends service life.(3) present invention combines biochemical treatment, MBR, counter-infiltration, effectively the organic matter and ion in removal waste water from dyestuff.（4）The present invention solves influence of the microorganism to reverse osmosis membrane, while solving damage of the free chlorine to reverse osmosis membrane.The present invention solves the deficiency of prior art presence, meets actual operation requirements.
Description
Technical field
The present invention relates to a kind of reuse industrial wastewater technique, especially industrial dye waste water reuse technology.
Background technology
Industrial wastewater（industrial wastewater ）Refer to work including production waste water, production waste and cooling water
In industry production process produce waste water and waste liquid, wherein containing the industrial production materials, intermediate product, byproduct for outflowing with water with
And the pollutant produced in production process.The first is classified by the chemical property of contained major pollutants in industrial wastewater, contains
Based on inorganic pollution is inorganic wastewater, containing based on organic pollution being organic wastewater.Such as electroplating wastewater and mineral add
The waste water of work process is inorganic wastewater, and the waste water of food or petroleum refining process is organic wastewater, in dyeing production process
Be composite waste, the composition that the waste water that different industry is excluded contains is different.Be for second by industrial enterprise product and
Processing object is classified, such as Metallurgical Waste Water, paper waste, coke-oven gas waste water, pickling of metal waste water, chemical fertilizer waste water, weaving
Dyeing waste water, waste water from dyestuff, leather-making waste water, agricultural chemicals waste water, power station waste water etc..The third is the master by contained pollutant in waste water
Want compositional classification, such as acid waste water, alkaline waste water, cyanide wastewater, chromate waste water, cadmium wastewater, mercury-containing waste water, phenol wastewater,
Aldehyde-containing sewage, oily waste water, sulfur-containing waste water, containing organism P wastewater and radioactive wastewater etc..First two classification is not related to waste water
In contained pollutant main component, the harmfulness of waste water can not be shown.The third classification, by contained pollutant in waste water
Main component can be divided into acid waste water, alkaline waste water, phenol wastewater, chromate waste water, containing organism P wastewater and radioactive wastewater
Deng.
With industrial expansion, the industry such as electronics, chemical industry, leather, papermaking, chemical fertilizer widely uses dyestuff intermediate, produces
Substantial amounts of industrial dye waste water.Waste water from dyestuff complex structure, is many with high-molecular complex, and structure is difficult to be broken, biology drop
Solution property is relatively low, all has genotoxic potential mostly, and returning in the environment becomes to depending on many unknown factors.Widespread practice is at present
To directly be discharged after waste water from dyestuff flocculation, sedimentation, biochemical treatment, carrying capacity of environment is increased while waste water resource, so needing
Current situation is improved.
The content of the invention
The present invention is exactly in view of the shortcomings of the prior art, there is provided a kind of industrial dye waste water reuse technology, is solved with this
The deficiency that prior art of having determined is present, meets actual operation requirements.
To solve the above problems, the technical solution used in the present invention is as follows：
A kind of industrial dye waste water reuse technology, the waste water treatment process comprises the following steps：
Step 1：Adjust the pH value of industrial wastewater；
Step 2：Settlement treatment is carried out to the waste water after regulation pH value, and upper strata waste water is delivered to next unit, sediment fraction
Drain into sludge-tank；
Step 3：The waste water of settlement treatment will be carried out by electrocoagulation reactor assembly, the surfactant in removal waste water；
Step 4：Waste water to being processed by step T3 carries out biochemical treatment, and biochemical treatment uses A/O patterns, and sludge part is drained into
Sludge-tank；
Step 5：Waste water to being processed by step 4 carries out membrane biological reaction apparatus（MBR）Treatment, sludge part drains into sludge
Pond；
Step 6：Waste water to being processed by step 5 carries out sand filtration treatment；
Step 7：Waste water to being processed by step 6 carries out sterilization processing；
Step 8：Waste water to being processed by step 7 carries out reverse-osmosis treated；
Step 9：Centrifugal treating is carried out to the mud mixture in sludge-tank.
Used as the improvement of above-mentioned technical proposal, the step 1 is specifically included：To putting into pH value regulator in pH regulating reservoirs,
PH value to waste water is adjusted, and the conditioning agent that the present invention is used is the NaOH of chemical grade 32% and 10% hydrochloric acid.
Used as the improvement of above-mentioned technical proposal, the step 2 is specifically included：Addition flocculant and flocculation aid, it is useless to dyestuff
Water is flocculated, and then carries out settlement treatment to the waste water for flocculating.Upper strata waste water is delivered to next unit, and sediment fraction drains into dirt
Mud sedimentation basin, the flocculant that the present invention is used is aluminium polychloride, can effectively prevent pollution of the iron ion to rear terminal membrane.
Used as the improvement of above-mentioned technical proposal, the step 3 is specifically included：Waste water is removed using electrocoagulation reactor assembly
In surfactant, prevent pollution of the surfactant to rear terminal membrane, reduce cleaning frequency membrane, increase the service life.
Used as the improvement of above-mentioned technical proposal, the step 4 is specifically included：Waste water to being processed by step 3 is given birth to
Change is processed, and biochemical treatment uses A/O patterns, and sediment fraction drains into mudpan.
Used as the improvement of above-mentioned technical proposal, the step 5 is specifically included：Waste water carries out membrane biological reaction apparatus（MBR）
Treatment, uses NF membrane in MBR, produce water section and drain into 2# intermediate pools, and sludge part drains into sludge-tank, is selected in MBR of the present invention
With the NF membrane that aperture is 0.04 μm, possesses reverse osmosis unit flow condition completely.
Used as the improvement of above-mentioned technical proposal, the step 6 is specifically included：Waste water to being processed by step 5 is killed
Bacterium is processed, and using ring-type nitrogen Sulfur system bactericide, addition is 1.0ppm to the present invention.Microorganism can be prevented causes film to block, together
When prevent free chlorine from irreversible damage is caused to film.
Used as the improvement of above-mentioned technical proposal, the step 7 is specifically included：Waste water to being processed by step 6 carries out sand
Filter is processed, and the macromolecular particle such as sludge is directly entered reverse osmosis unit after preventing NF membrane from destroying.
Used as the improvement of above-mentioned technical proposal, the step 8 is specifically included：Waste water to being processed by sand filtration carries out reverse osmosis
Treatment thoroughly, produces water and enters pure water making system, and reverse osmosis unit uses three sections of forms of one-level, and intake design flow 150m3/h is produced
Water rate 80%, pressure difference is less than 0.3Ma when just running.
Used as the improvement of above-mentioned technical proposal, the step T9 is specifically included：Mud mixture in sludge-tank is carried out
Centrifugal treating, produces water and enters regulating reservoir, and the sludge of generation is entered in sludge bucket.
Compared with prior art, implementation result of the invention is as follows for the present invention：
A kind of industrial dye waste water reuse technology of the present invention, the advantage is that：
(1) handling process of the invention can directly be recycled to industrial dye waste water, saving water resource；
(2) present invention solves the problems, such as that the surfactant in waste water from dyestuff causes NF membrane and reverse osmosis membrane to block, and reduces
Cleaning frequency of film, extend service life；
(3) present invention combines biochemical treatment, MBR, counter-infiltration, effectively the organic matter and ion in removal waste water from dyestuff；
(4) present invention solves influence of the microorganism to reverse osmosis membrane, while solving damage of the free chlorine to reverse osmosis membrane.
Brief description of the drawings
Fig. 1 is the flow chart of reuse water treatment technology of the present invention.
1- regulating reservoirs, 2-pH regulating reservoirs, 3- flocculation reactions, 4- precipitations, 5-1# intermediate pools, 6- electrocoagulations reactor, 7-
Microbiological anaerobic, 8- microorganism aerobics, 9- microorganism aerobics, 10- membrane biological reaction apparatus（MBR）, 11-2# intermediate pools,
12- sterilizations, 13- sand filtrations, 14- reverse osmosis units, 15- pure water systems, 16- sludge-tanks, 17- sludge centrifugal treatings.
Specific embodiment
Illustrate present disclosure below in conjunction with specific embodiments.
Embodiment
A kind of industrial dye waste water reuse technology, the waste water treatment process comprises the following steps：
Step 1：Adjust the pH value of industrial wastewater；
Step 2：Settlement treatment is carried out to the waste water after regulation pH value, and upper strata waste water is delivered to next unit, sediment fraction
Drain into sludge-tank；
Step 3：The waste water of settlement treatment will be carried out by electrocoagulation reactor assembly, the surfactant in removal waste water；
Step 4：Waste water to being processed by step T3 carries out biochemical treatment, and biochemical treatment uses A/O patterns, and sludge part is drained into
Sludge-tank；
Step 5：Waste water to being processed by step 4 carries out membrane biological reaction apparatus（MBR）Treatment, sludge part drains into sludge
Pond；
Step 6：Waste water to being processed by step 5 carries out sand filtration treatment；
Step 7：Waste water to being processed by step 6 carries out sterilization processing；
Step 8：Waste water to being processed by step 7 carries out reverse-osmosis treated；
Step 9：Centrifugal treating is carried out to the mud mixture in sludge-tank.
Specifically, the step 1 is specifically included：To pH value regulator is put into pH regulating reservoirs, the pH value to waste water is carried out
Regulation, the conditioning agent that the present invention is used is the NaOH of chemical grade 32% and 10% hydrochloric acid.
Specifically, the step 2 is specifically included：Addition flocculant and flocculation aid, flocculate to waste water from dyestuff, then right
The waste water of flocculation carries out settlement treatment.Upper strata waste water is delivered to next unit, and sediment fraction drains into mudpan, and the present invention makes
Flocculant is aluminium polychloride, can effectively prevent pollution of the iron ion to rear terminal membrane.
Specifically, the step 3 is specifically included：The surfactant in waste water is removed using electrocoagulation reactor assembly,
Pollution of the surfactant to rear terminal membrane is prevented, cleaning frequency membrane is reduced, increased the service life.
Specifically, the step 4 is specifically included：Waste water to being processed by step 3 carries out biochemical treatment, and biochemical treatment is adopted
A/O patterns are used, sediment fraction drains into mudpan.
Specifically, the step 5 is specifically included：Waste water carries out membrane biological reaction apparatus（MBR）Treatment, using receiving in MBR
Filter membrane, produces water section and drains into 2# intermediate pools, and sludge part drains into sludge-tank, from aperture is 0.04 μm in MBR of the present invention
NF membrane, possesses reverse osmosis unit flow condition completely.
Specifically, the step 6 is specifically included：Waste water to being processed by step 5 carries out sterilization processing, and the present invention is used
Ring-type nitrogen Sulfur system bactericide, addition is 1.0ppm.Microorganism can be prevented causes film to block, while preventing free chlorine from being made to film
Into irreversible damage.
Specifically, the step 7 is specifically included：Waste water to being processed by step 6 carries out sand filtration treatment, prevents NF membrane
The macromolecular particle such as sludge is directly entered reverse osmosis unit after destruction.
Specifically, the step 8 is specifically included：Waste water to being processed by sand filtration carries out reverse-osmosis treated, produces water and enters
Pure water making system, reverse osmosis unit uses three sections of forms of one-level, and intake design flow 150m3/h, producing water ratio 80% is just transported
Pressure difference is less than 0.3Ma during row.
Specifically, the step T9 is specifically included：Centrifugal treating is carried out to the mud mixture in sludge-tank, water is produced and is entered
Regulating reservoir, the sludge of generation is entered in sludge bucket.
A kind of industrial dye waste water reuse technology of the present invention, handling process of the invention can be useless to industrial dye
Water is directly recycled, saving water resource；The surfactant that the present invention is solved in waste water from dyestuff cause NF membrane and
The problem that reverse osmosis membrane is blocked, reduces the cleaning frequency of film, extends service life；The present invention is by biochemical treatment, MBR, anti-
Infiltration is combined, effectively the organic matter and ion in removal waste water from dyestuff；The present invention solves influence of the microorganism to reverse osmosis membrane,
Solve damage of the free chlorine to reverse osmosis membrane simultaneously.
Above content is detailed description made for the present invention in conjunction with specific embodiments, it is impossible to assert that the present invention is specific real
Apply and be only limitted to these explanations.For those skilled in the art, before present inventive concept is not departed from
Put, some simple deduction or replace can also be made, should all be considered as belonging to the scope of protection of the invention.
Claims (10)
1. a kind of industrial dye waste water reuse technology, it is characterised in that：The waste water treatment process comprises the following steps：
Step 1：Adjust the pH value of industrial wastewater；
Step 2：Settlement treatment is carried out to the waste water after regulation pH value, and upper strata waste water is delivered to next unit, sediment fraction
Drain into sludge-tank；
Step 3：The waste water of settlement treatment will be carried out by electrocoagulation reactor assembly, the surfactant in removal waste water；
Step 4：Waste water to being processed by step T3 carries out biochemical treatment, and biochemical treatment uses A/O patterns, and sludge part is drained into
Sludge-tank；
Step 5：Waste water to being processed by step 4 carries out membrane biological reaction apparatus（MBR）Treatment, sludge part drains into sludge
Pond；
Step 6：Waste water to being processed by step 5 carries out sand filtration treatment；
Step 7：Waste water to being processed by step 6 carries out sterilization processing；
Step 8：Waste water to being processed by step 7 carries out reverse-osmosis treated；
Step 9：Centrifugal treating is carried out to the mud mixture in sludge-tank.
2. a kind of industrial dye waste water reuse technology according to claim 1, it is characterised in that：The step 1 is specifically included：
To pH value regulator is put into pH regulating reservoirs, the pH value to waste water is adjusted.
3. a kind of industrial dye waste water reuse technology according to claim 1, it is characterised in that：The step 2 is specifically included：
Addition flocculant and flocculation aid, flocculate to waste water from dyestuff, then settlement treatment are carried out to the waste water for flocculating, by upper strata waste water
Next unit is delivered to, sediment fraction drains into mudpan.
4. a kind of industrial dye waste water reuse technology according to claim 1, it is characterised in that：The step 3 is specifically included：
The surfactant in waste water is removed using electrocoagulation reactor assembly.
5. a kind of industrial dye waste water reuse technology according to claim 1, it is characterised in that：The step 4 is specifically included：
Waste water to being processed by step 3 carries out biochemical treatment, and biochemical treatment uses A/O patterns, and sediment fraction drains into mudpan.
6. a kind of industrial dye waste water reuse technology according to claim 1, it is characterised in that：The step 5 is specifically included：
Waste water carries out membrane biological reaction apparatus（MBR）Treatment, uses NF membrane in MBR, produce water section and drain into 2# intermediate pools, sludge portion
Divide and drain into sludge-tank.
7. a kind of industrial dye waste water reuse technology according to claim 1, it is characterised in that：The step T6 is specifically wrapped
Include：Waste water to being processed by step 5 carries out sterilization processing.
8. a kind of industrial dye waste water reuse technology according to claim 1, it is characterised in that：The step T7 is specifically wrapped
Include：Waste water to being processed by step 6 carries out sand filtration treatment.
9. a kind of industrial dye waste water reuse technology according to claim 1, it is characterised in that：The step T8 is specifically wrapped
Include：Waste water to being processed by sand filtration carries out reverse-osmosis treated, produces water and enters pure water making system.
10. a kind of industrial dye waste water reuse technology according to claim 1, it is characterised in that：The step T9 is specifically wrapped
Include：Centrifugal treating is carried out to the mud mixture in sludge-tank, water is produced and is entered regulating reservoir, the sludge of generation is entered in sludge bucket.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710023691.0A CN106830503A (en) | 2017-01-13 | 2017-01-13 | A kind of industrial dye waste water reuse technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710023691.0A CN106830503A (en) | 2017-01-13 | 2017-01-13 | A kind of industrial dye waste water reuse technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762926A (en) * | 2020-06-09 | 2020-10-13 | 轻工业环境保护研究所 | Method for treating industrial wastewater by electrocatalysis-low-pressure reverse osmosis |
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| CN1063469A (en) * | 1992-01-19 | 1992-08-12 | 杭州市东南环保工程技术研究所 | Method of wastewater treatment |
| CN102320706A (en) * | 2011-07-08 | 2012-01-18 | 上海希沃环境科技有限公司 | System for deep recovery and treatment of coking wastewater biochemical effluent |
| CN102358654A (en) * | 2011-09-21 | 2012-02-22 | 河海大学 | Device for treating high-chroma refractory organic waste water |
| CN104803542A (en) * | 2014-01-26 | 2015-07-29 | 北京林业大学 | Integrated treatment and reuse technology of esterification wastewater |
| CN105923903A (en) * | 2016-05-23 | 2016-09-07 | 广东全务环保科技有限公司 | Printing and dyeing wastewater zero-discharge system and technology |
| CN106045191A (en) * | 2016-05-23 | 2016-10-26 | 广东全务环保科技有限公司 | System and process for recycling papermaking wastewater |
-
2017
- 2017-01-13 CN CN201710023691.0A patent/CN106830503A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063469A (en) * | 1992-01-19 | 1992-08-12 | 杭州市东南环保工程技术研究所 | Method of wastewater treatment |
| CN102320706A (en) * | 2011-07-08 | 2012-01-18 | 上海希沃环境科技有限公司 | System for deep recovery and treatment of coking wastewater biochemical effluent |
| CN102358654A (en) * | 2011-09-21 | 2012-02-22 | 河海大学 | Device for treating high-chroma refractory organic waste water |
| CN104803542A (en) * | 2014-01-26 | 2015-07-29 | 北京林业大学 | Integrated treatment and reuse technology of esterification wastewater |
| CN105923903A (en) * | 2016-05-23 | 2016-09-07 | 广东全务环保科技有限公司 | Printing and dyeing wastewater zero-discharge system and technology |
| CN106045191A (en) * | 2016-05-23 | 2016-10-26 | 广东全务环保科技有限公司 | System and process for recycling papermaking wastewater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762926A (en) * | 2020-06-09 | 2020-10-13 | 轻工业环境保护研究所 | Method for treating industrial wastewater by electrocatalysis-low-pressure reverse osmosis |
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