CN108373219A - A kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming and method - Google Patents
A kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming and method Download PDFInfo
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- CN108373219A CN108373219A CN201810355471.2A CN201810355471A CN108373219A CN 108373219 A CN108373219 A CN 108373219A CN 201810355471 A CN201810355471 A CN 201810355471A CN 108373219 A CN108373219 A CN 108373219A
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
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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 Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to a kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming and methods, the equipment includes wastewater disposal basin, coagulative precipitation tank, fibre turntable filter chamber, clear water reserviors, the waste water that wicker plaiting article dyeing process generates flows into wastewater disposal basin, elevator pump is set in wastewater disposal basin, waste water is boosted to be pumped into coagulative precipitation tank, dosing coagulant in coagulative precipitation tank, flocculation aid, through mixing, flocculation, after precipitation reaction, sediment enters sludge dewatering equipment and carries out compression dehydration outward transport disposition, precipitation supernatant enters fibre turntable filter chamber by water decanter, fibre turntable filter chamber is retained the suspended matter in supernatant by the filtration of filter cloth, water after filter enters clear water reserviors, subsequently into wicker plaiting article dyeing process reuse.
Description
Technical field
The present invention relates to a kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming and methods, belong to sewage treatment field.
Background technology
Wicker plaiting article is one of folks of china traditional handicraft product, and Shandong, Hubei, Anhui are three big wicker plaiting article production bases of China,
It is also these local part counties and districts' pillar industries and foreign exchange earning project.
The waste water uncontrollable discharge generated in wicker plaiting article production process causes some areas water environment pollution serious.Waste water is main
From wicker cleaning, boiling, rinsing, bleach, wash dye etc. during generate containing the organic matters such as natural impurity, fat and starch
Waste water.Printing and dyeing link generates a large amount of dyeing waste waters among these, contains a large amount of dyestuffs, starch, cellulose, lignin, detergent
The equal inorganic matters such as organic matters and alkali, sulfide, all kinds of salts have big water, organic pollution content height, change of water quality
Greatly, the features such as pollution is strong belongs to one of intractable industrial wastewater.Due to using workshop-based production, manufacturing enterprise powerless for a long time
The construction and operation of waste water disposal facility are undertaken, some areas emerge scale willow-plaited process product manufacturing enterprise in recent years, because
This is badly in need of research and development wicker plaiting article modifying porcelain and reuse technology.
Wicker plaiting article dyeing water quality requirement is：Transparency>30, coloration≤10, (platinum cobalt degree), and pH value 6.5~8.5, iron content
Amount≤0.1mg/L, manganese content≤0.1mg/L, total hardness：Dye liquor, soap scouring water<0.36mg amounts/L；General slurry 3.6mg
Amount/L.For the high feature of wicker plaiting article dyeing waste water suspended matter, organic dyestuff content of material, at coagulation-precipitation-filtration method
Reason, it is contemplated that printing and dyeing link can be back to use, but the exploitation for such waste water treatment process has not been reported.
Invention content
The purpose of the present invention is to provide a kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming and methods, and dyeing waste water is through processing
Afterwards, it can be back to wicker plaiting article printing and dyeing link, saved water resource.
To realize above-mentioned technique effect, the invention discloses a kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming, feature exists
In：The equipment includes wastewater disposal basin, coagulative precipitation tank, fibre turntable filter chamber, clear water reserviors, and the waste water that wicker plaiting article dyeing process generates flows into
Wastewater disposal basin, sets elevator pump in wastewater disposal basin, and waste water is boosted to be pumped into coagulative precipitation tank, and dosing coagulant in coagulative precipitation tank helps
After mixing, flocculation, precipitation reaction, sediment enters sludge dewatering equipment and carries out compression dehydration outward transport disposition, precipitates supernatant for solidifying agent
Liquid enters fibre turntable filter chamber by water decanter, and fibre turntable filter chamber is by the filtration of filter cloth by the suspended matter in supernatant
Retention, water after filter enters clear water reserviors, subsequently into wicker plaiting article dyeing process reuse.
The equipment further improvement lies in that：The coagulative precipitation tank is sequencing batch operation, using PLC control system
Operation.
The equipment further improvement lies in that：The coagulant, flocculation aid be by the determining ferrous sulfate of experiment,
Calcium oxide, polyacrylamide.
The equipment further improvement lies in that：The coagulant, flocculation aid order of adding are that calcium oxide, sulfuric acid are sub-
Iron, polyacrylamide.
The equipment further improvement lies in that：The coagulant, flocculation aid mix stages be divided into three sections：Add oxidation
Calcium quickly stirs for -1 minute, adds ferrous sulfate quickly stirs for -2 minutes, add PAM-0.5 minutes moderate-speed mixers, 1.5 minutes it is slow
Speed stirring.
The equipment further improvement lies in that：The quick stirring, is mixed slowly by velocity gradient g moderate-speed mixer
Value characterization, quickly stirs G values ranging from 300-350s-1, moderate-speed mixer G values ranging from 200-250s-1, mix slowly G value ranges
For 100-150s-1。
The equipment further improvement lies in that：The coagulant, flocculation aid dosage need to be according to specific water quality by burning
Cup experiment determines.
The equipment further improvement lies in that：The sedimentation time is 15 minutes.
The equipment further improvement lies in that：The sludge dewatering equipment is plate and frame type filter-press.
The invention also discloses a kind of wicker plaiting article treatment of dyeing wastewater reuse methods, include the following steps：
(1) waste water that wicker plaiting article dyeing process generates flows into wastewater disposal basin, and the larger sundries of proportion is deposited to bottom of pond in waste water；
(2) elevator pump is set in wastewater disposal basin, the boosted pump of waste water enters coagulative precipitation tank after being promoted, and waste water is in coagulative precipitation tank
It is interior with coagulant, flocculation aid occur flocculation reaction, the complexing through flocculant of suspended matter, colloid, net catch, roll up inswept journey shape in waste water
At the flco that size, proportion are larger, bottom of pond is deposited to by gravity in precipitation process；
(3) sediment is discharged by bottom of pond in sludge dewatering equipment, is compressed dewatered mud cake and is carried out outward transport disposition；
(4) precipitation supernatant enters filter tank by water decanter；
(5) filtration in filter tank retains the suspended matter in supernatant, and water after filter enters clear water reserviors, subsequently into wicker plaiting article
Dyeing process reuse.
Preferably, the coagulative precipitation tank is sequencing batch operation, and timing control is carried out by PLC.
Preferably, the coagulant, flocculation aid are by the determining ferrous sulfate of experiment, calcium oxide, polyacrylamide.
Preferably, the coagulant, flocculation aid order of adding are calcium oxide, ferrous sulfate, polyacrylamide.
Preferably, the mix stages are divided into three sections：Calcium oxide is added quickly to stir within -1 minute, add -2 points of ferrous sulfate
Clock quickly stirs, adds -0.5 minute moderate-speed mixer of polyacrylamide, mixes slowly within 1.5 minutes.
Preferably, the quick stirring, moderate-speed mixer, mix slowly and characterized by velocity gradient g value, quickly stir G value models
It encloses for 300-350s-1, moderate-speed mixer G values ranging from 200-250s-1, mix slowly G values ranging from 100-150s-1。
Preferably, the coagulant, flocculation aid dosage need to be determined according to specific water quality by beaker experiments.
Preferably, the sedimentation time is 15 minutes.
Preferably, the heavy sludge dewatering equipment is plate and frame type filter-press.
Preferably, the filter tank can be the diversified forms such as sand filter, fibre turntable filter chamber, filtering cloth filtering pool.
Compared with prior art, the beneficial effects of the invention are as follows：
1) precipitation process of coagulation is simple physical-chemical reaction process, and reaction speed is fast, and occupation area of equipment is small；
2) coagulant, the flocculant used, is general chemical substance, cheap, ton water process expense is low；
3) through method treated water reaches wicker plaiting article dyeing water water quality requirement, wicker plaiting article production cost is saved；
4) coagulative precipitation tank uses sequencing batch operation, meets the discontinuity of wicker plaiting article production, seasonal feature.
Description of the drawings
Fig. 1 is wicker plaiting article treatment of dyeing wastewater equipment for reclaiming；
Wherein, 1- wastewater disposal basins；2- elevator pumps；3- coagulative precipitation tanks；4- water decanters；5- fibre turntable filter chambers；6- clear water reserviors；
7- sludge dewatering equipments；8- ferrous sulfate reservoirs；9- polyacrylamide reservoirs；10- calcium oxide hoppers；11- mud valves.
Specific implementation mode
1 couple of present invention describes in detail with reference to the accompanying drawings of the specification：
The invention discloses a kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming, including wastewater disposal basin 1, elevator pump 2, coagulating sedimentation
Pond 3, water decanter 4, mud valve 11, fibre turntable filter chamber 5, clear water reserviors 6, sludge dewatering equipment 7, ferrous sulfate reservoir 8, polyacrylamide
Amine reservoir 9, calcium oxide hopper 10.The waste water that wicker plaiting article dyeing process generates flows into wastewater disposal basin 1, and elevator pump 2 is set in wastewater disposal basin 1, gives up
The boosted pump of water 2 is pumped into coagulative precipitation tank 3, and dosing coagulant, flocculation aid are through mixing, flocculation, precipitation reaction in coagulative precipitation tank 3
Afterwards, sediment enters sludge dewatering equipment 7 and carries out compressing dehydration outward transport disposition, and precipitation supernatant is turned by water decanter 4 into fiber
Disk filter tank 5, fibre turntable filter chamber 5 are retained the suspended matter in supernatant by the filtration of filter cloth, and water after filter enters clear water
Pond 6, subsequently into wicker plaiting article dyeing process reuse.
The invention also discloses a kind of wicker plaiting article treatment of dyeing wastewater reuse methods, include the following steps：
(1) waste water that wicker plaiting article dyeing process generates flows into wastewater disposal basin 1, and the larger sundries of proportion is deposited to bottom of pond in waste water；
(2) elevator pump 2 is set in wastewater disposal basin, enters coagulative precipitation tank 3 after boosted 2 promotion of pump of waste water, waste water is heavy in coagulation
Occur flocculation reaction in shallow lake pond 3 with coagulant, flocculation aid, complexing through flocculant of suspended matter, colloid in waste water, net is caught, volume is swept
Process forms the larger flco of size, proportion, and bottom of pond is deposited to by gravity in precipitation process；
(3) sediment is discharged by bottom of pond in sludge dewatering equipment 7, is compressed dewatered mud cake and is carried out outward transport disposition；
(4) sedimentation basin supernatant enters fibre turntable filter chamber 5 by water decanter 4；
(5) filtration in filter tank retains the suspended matter in supernatant, and water after filter enters clear water reserviors 6, subsequently into willow
Compile dyeing process.
The wicker plaiting article treatment of dyeing wastewater reuse method of the present invention is studied below, using different wicker plaiting article dyeing waste waters
It is tested, investigates its treatment effect.
Embodiment 1
Certain willow-plaited process product company wicker plaiting article printing and dyeing workshop waste water quality is：COD：3240~4150mg/L；Light transmittance：
0.01%~0.02%；SS：1130.3~1330.7mg/L.
Using wicker plaiting article treatment of dyeing wastewater reuse method of the present invention, include the following steps：
(1) waste water that wicker plaiting article dyeing process generates flows into wastewater disposal basin 1, and the larger sundries of proportion is deposited to bottom of pond in waste water；
(2) elevator pump 2 is set in wastewater disposal basin, enters coagulative precipitation tank 3 after boosted 2 promotion of pump of waste water, waste water is heavy in coagulation
Occur flocculation reaction in shallow lake pond 3 with coagulant, flocculation aid, complexing through flocculant of suspended matter, colloid in waste water, net is caught, volume is swept
Process forms the larger flco of size, proportion, and bottom of pond is deposited to by gravity in precipitation process；
The coagulant, flocculation aid are by the determining ferrous sulfate of experiment, calcium oxide, polyacrylamide.The coagulation
Agent, flocculation aid order of adding are calcium oxide, ferrous sulfate, polyacrylamide.The mix stages are divided into three sections：Add oxidation
Calcium quickly stirs for -1 minute, adds ferrous sulfate quickly stirs for -2 minutes, add -0.5 minute moderate-speed mixer of polyacrylamide,
It mixes slowly within 1.5 minutes.The quick stirring, moderate-speed mixer are mixed slowly and are characterized by velocity gradient g value, quickly stir G value models
It encloses for 300-350s-1, moderate-speed mixer G values ranging from 200-250s-1, mix slowly G values ranging from 100-150s-1.Through response surface
Calcium oxide that optimization obtains, ferrous sulfate, polyacrylamide dosage be respectively：2.31g/L、1.31mg/L、6.33mg/
L。
The coagulative precipitation tank is sequencing batch operation, and the sedimentation time is 15 minutes.
(3) sediment is discharged by bottom of pond in sludge dewatering equipment 7, is compressed dewatered mud cake and is carried out outward transport disposition；
(4) sedimentation basin supernatant enters fibre turntable filter chamber 5 by water decanter 4；
(5) filtration in filter tank retains the suspended matter in supernatant, and water after filter enters clear water reserviors 6, subsequently into willow
Compile dyeing process reuse.
The water outlet of water outlet and fibre turntable filter chamber 5 to coagulative precipitation tank 3 is analyzed：
The effluent quality index of coagulative precipitation tank 3 is：COD：110.2-219.5mg/L, average removal rate 97%；Light transmission
Rate：Removal rate is 88.2%~93.6%, average out to 91.5%；SS：101.1-138.9mg/L, average removal rate 92%.
The effluent quality index of fibre turntable filter chamber is：COD：60.1~95.6mg/L, average removal rate 98.3%；Thoroughly
Light rate：94.8%~96.7%, average out to 95.9%；SS：11.3~21.7mg/L, average removal rate 99%.Go out after processing
Water meets wicker plaiting article printing and dyeing technology water requirement.
In addition, the treatment effect that can be seen that coagulative precipitation tank from above-mentioned effluent quality index is obvious, in entire willow
It publishes in dye wastewater treatment process and has played positive effect.
Embodiment 2
Certain willow-plaited process product company wicker plaiting article printing and dyeing workshop waste water quality is：COD：3350~4010mg/L；Light transmittance：
0.01%~0.03%；SS：1020.3~1130.7mg/L.
Using wicker plaiting article treatment of dyeing wastewater reuse method of the present invention, include the following steps：
(1) waste water that wicker plaiting article dyeing process generates flows into wastewater disposal basin 1, and the larger sundries of proportion is deposited to bottom of pond in waste water；
(2) elevator pump 2 is set in wastewater disposal basin, enters coagulative precipitation tank 3 after boosted 2 promotion of pump of waste water, waste water is heavy in coagulation
Occur flocculation reaction in shallow lake pond 3 with coagulant, flocculation aid, complexing through flocculant of suspended matter, colloid in waste water, net is caught, volume is swept
Process forms the larger flco of size, proportion, and bottom of pond is deposited to by gravity in precipitation process；
The coagulant, flocculation aid are by the determining ferrous sulfate of experiment, calcium oxide, polyacrylamide.The coagulation
Agent, flocculation aid order of adding are calcium oxide, ferrous sulfate, polyacrylamide.The mix stages are divided into three sections：Add oxidation
Calcium quickly stirs for -1 minute, adds ferrous sulfate quickly stirs for -2 minutes, add -0.5 minute moderate-speed mixer of polyacrylamide,
It mixes slowly within 1.5 minutes.The quick stirring, moderate-speed mixer are mixed slowly and are characterized by velocity gradient g value, quickly stir G value models
It encloses for 300-350s-1, moderate-speed mixer G values ranging from 200-250s-1, mix slowly G values ranging from 100-150s-1.Through response surface
Calcium oxide that optimization obtains, ferrous sulfate, polyacrylamide dosage be respectively：2.01g/L、1.41mg/L、9.33mg/
L。
The coagulative precipitation tank is sequencing batch operation, and the sedimentation time is 15 minutes.
(3) sediment is discharged by bottom of pond in sludge dewatering equipment 7, is compressed dewatered mud cake and is carried out outward transport disposition；
(4) precipitation supernatant enters fibre turntable filter chamber 5 by water decanter 4；
(5) filtration in filter tank retains the suspended matter in supernatant, and water after filter enters clear water reserviors 6, subsequently into willow
Compile dyeing process reuse.
The water outlet of water outlet and fibre turntable filter chamber 5 to coagulative precipitation tank 3 is analyzed：
The effluent quality index of coagulative precipitation tank 3 is：COD：197.6-283.4mg/L, average removal rate 94.1%；Thoroughly
Light rate：Removal rate is 89.5%~94.4%, average out to 92.3%；SS：65.1-137.9mg/L average removal rate 93%.
The effluent quality index of fibre turntable filter chamber 5 is：COD：105.5-163.7mg/L, average removal rate 97.1%；
Light transmittance：Removal rate 95.1%-97.3%, average removal rate 96.5%；SS：9.5-22.9mg/L average removal rate is
99%.Processing water outlet meets wicker plaiting article printing and dyeing technology water requirement.
From above-mentioned two embodiment it can be found that using present invention processing wicker plaiting article dyeing waste water, water water quality that treated
Well, meet wicker plaiting article printing and dyeing technology water requirement, achieved the purpose that pollution control and save water resource.
Finally it should be noted that the above specific implementation mode is merely illustrative of the technical solution of the present invention and it is unrestricted, to the greatest extent
Pipe is described the invention in detail with reference to example, it will be understood by those of ordinary skill in the art that, it can be to the present invention's
Technical solution is modified or replaced equivalently, and without departing from the spirit of the technical scheme of the invention and range, should all be covered
In scope of the presently claimed invention.
Claims (10)
1. a kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming, it is characterised in that：The equipment is by wastewater disposal basin, coagulative precipitation tank, fiber
Turntable filter chamber and clear water reserviors composition, the waste water that wicker plaiting article dyeing process generates flow into wastewater disposal basin, and elevator pump, waste water warp are set in wastewater disposal basin
Elevator pump is pumped into coagulative precipitation tank, and dosing coagulant, flocculation aid sink after mixing, flocculation, precipitation reaction in coagulative precipitation tank
Starch enters sludge dewatering equipment and carries out compression dehydration outward transport disposition, and sedimentation basin supernatant enters fibre turntable by water decanter and filters
Pond, fibre turntable filter chamber are retained the suspended matter in supernatant by the filtration of filter cloth, and water after filter enters clear water reserviors, then
Into wicker plaiting article dyeing process reuse.
2. a kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming according to claim 1, it is characterised in that：The coagulation is heavy
Shallow lake pond is sequencing batch operation, is run using PLC control system.
3. a kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming according to claim 1, it is characterised in that：The coagulation
Agent, flocculation aid are by the determining ferrous sulfate of experiment, calcium oxide, polyacrylamide, and the coagulant, flocculation aid add suitable
Sequence is calcium oxide, ferrous sulfate, polyacrylamide.
4. a kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming according to claim 3, it is characterised in that：Coagulant, help it is solidifying
Agent mix stages are divided into three sections：Add calcium oxide quickly stir within -1 minute, add ferrous sulfate quickly stir within -2 minutes, add it is poly-
- 0.5 minute moderate-speed mixer of acrylamide mixes slowly for 1.5 minutes.
5. a kind of wicker plaiting article treatment of dyeing wastewater equipment for reclaiming according to claim 4, it is characterised in that：Described quickly stirs
It mixes, moderate-speed mixer, mix slowly and characterized by velocity gradient g value, quickly stir G values ranging from 300-350s-1, moderate-speed mixer G values
Ranging from 200-250s-1, mix slowly G values ranging from 100-150s-1。
6. a kind of wicker plaiting article treatment of dyeing wastewater reuse method, it is characterised in that：Include the following steps：
(1) waste water that wicker plaiting article dyeing process generates flows into wastewater disposal basin, and the larger sundries of proportion is deposited to bottom of pond in waste water；
(2) set elevator pump in wastewater disposal basin, the boosted pump of waste water enters coagulative precipitation tank after being promoted, waste water in coagulative precipitation tank with
Flocculation reaction occurs for coagulant, flocculation aid, and complexing through flocculant of suspended matter, colloid in waste water, net, which catch, rolls up inswept journey forms ruler
Flco very little, proportion is larger is deposited to bottom of pond in precipitation process by gravity；
(3) sediment is discharged by bottom of pond in sludge dewatering equipment, is compressed dewatered mud cake and is carried out outward transport disposition；
(4) sedimentation basin supernatant enters filter tank by water decanter；
(5) filtration in filter tank retains the suspended matter in supernatant, and water after filter enters clear water reserviors, prints and dyes subsequently into wicker plaiting article
Process reuse.
7. a kind of wicker plaiting article treatment of dyeing wastewater reuse method according to claim 6, it is characterised in that：The coagulating sedimentation
Pond is sequencing batch operation, and timing control is carried out by PLC.
8. a kind of wicker plaiting article treatment of dyeing wastewater reuse method according to claim 6, it is characterised in that：The coagulant,
Flocculation aid is by the determining ferrous sulfate of experiment, calcium oxide, polyacrylamide, and the coagulant, flocculation aid order of adding are
Calcium oxide, ferrous sulfate, polyacrylamide.
9. a kind of wicker plaiting article treatment of dyeing wastewater reuse method according to claim 8, it is characterised in that：Coagulant, help it is solidifying
Agent mix stages are divided into three sections：Add calcium oxide quickly stir within -1 minute, add ferrous sulfate quickly stir within -2 minutes, add it is poly-
- 0.5 minute moderate-speed mixer of acrylamide mixes slowly for 1.5 minutes.
10. a kind of wicker plaiting article treatment of dyeing wastewater reuse method according to claim 6, it is characterised in that：The filter tank is
Sand filter, fibre turntable filter chamber, filtering cloth filtering pool.
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| CN113121057A (en) * | 2019-12-30 | 2021-07-16 | 苏州市吉拓机械有限公司 | Process and device for treating organic wastewater by using aerobic activated sludge |
| CN113880289A (en) * | 2021-08-20 | 2022-01-04 | 杭州恒迪环保科技有限公司 | High-concentration dyeing and color-judging sewage treatment process and equipment thereof |
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| CN110104747A (en) * | 2019-05-16 | 2019-08-09 | 上海出版印刷高等专科学校 | A kind of composite flocculation medicinal powder and its application for flexible version printing ink wastewater treatment |
| CN113121057A (en) * | 2019-12-30 | 2021-07-16 | 苏州市吉拓机械有限公司 | Process and device for treating organic wastewater by using aerobic activated sludge |
| CN113121057B (en) * | 2019-12-30 | 2023-04-18 | 苏州市吉拓机械有限公司 | Process and device for treating organic wastewater by using aerobic activated sludge |
| CN113880289A (en) * | 2021-08-20 | 2022-01-04 | 杭州恒迪环保科技有限公司 | High-concentration dyeing and color-judging sewage treatment process and equipment thereof |
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