CN108249624A - Method for treating water based on activated carbon filter film technology - Google Patents
Method for treating water based on activated carbon filter film technology Download PDFInfo
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- CN108249624A CN108249624A CN201810122689.3A CN201810122689A CN108249624A CN 108249624 A CN108249624 A CN 108249624A CN 201810122689 A CN201810122689 A CN 201810122689A CN 108249624 A CN108249624 A CN 108249624A
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
- C02F1/766—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens by means of halogens other than chlorine or of halogenated compounds containing halogen other than chlorine
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
- C02F2103/001—Runoff or storm water
Abstract
The invention discloses a kind of method for treating water based on activated carbon filter film technology, belong to water-treatment technology field.Staying water is is handled by the processing method in air floatation machine and filter membrane machine successively from front to back, wherein, after water body enters air floatation machine, denitrifier and dephosphorization agent are added into water body, solid suspension is isolated and obtains water body one, the bottom of water body one along air floatation machine enters filter membrane machine, using the polluter in the activated carbon adsorption water body one in filter membrane machine, COD contents are reduced, obtain water body two, continue the addition sodium hypochlorite into water body two to handle to obtain water body three, the water quality index of water body three reaches《Urban wastewater treatment firm pollutant emission standard GB 18,918 2002》Level-one emission standard A.The occupation area of equipment that the processing method uses is small, and operating cost is low, and effectively the mixed liquor of rainwater or rainwater and sewage can be handled.
Description
Technical field
The present invention relates to the processing methods of rainwater and sanitary sewage, belong to water-treatment technology field, more particularly to one kind
Method for treating water based on activated carbon filter film technology.
Background technology
It is continued to develop along with social economy, the people requires to be continuously improved to living environment quality, to drinking water source
Ground water quality protection and lake, the requirement of river ecological environmental protection also can constantly be strengthened, therefore water scarcity and water pollution are prevented
The pressure controlled is also increasing, handles contaminated water quality, technological process is longer, and the fund of consuming is more, and especially (1) is being closed
In stream drainage system, sanitary sewage, industrial wastewater and rainwater are blended in same pipe, canal and discharge, interflow discharge during rainy season
Sewage and rainwater carry part of contaminated water by overflow well and are discharged into river beyond sewage treatment plant's processing capacity.When rain flood runoff stream
It is deposited from sewage during rain free period when speed is larger, in pipe network and enters river with overflow the pollutant to get off is rushed, become pollution
One big source of object；(2) initial rainwater excludes surface pond that is not smooth and being formed, city river can be entered in the form of overland flow
Road.The pollution of area source sources such as initial rainwater road pavement pollutant, house refuse and the organic waste of animals and plants, which are formed, impregnates, leaching
The organic matters such as dissolution more various polluting components, particularly house refuse steep oneself-meeting after the immersion by the long period, in pollutant
Total nitrogen and total phosphorus are precipitated more, and it is nitrogenous, be discharged into containing phosphor contaminant be cause rivers and lakes body eutrophication it is main because
One of element；(3) at dry season, part trunk canal and closing water body water level reduce, and lack good water for moisturizing, therefore can only
Using tap water as water supply source, a large amount of water resource waste is caused；(4) row that most of urban wastewater treatment firm performs at present
Put standard mostly by《Urban wastewater treatment firm pollutant emission standard》(GB 18918-2002) level-one B standard is increased to level-one A
Standard, but the water quality is still below《Water environment quality standard》The standard of V class water in (GB 3838-2002), can not meet and be
The demand of natural water moisturizing.
In addition to sewage treatment plant, the transformation of rainwater Boosting pumping station and the processing of discharge water are also the important of control municipal pollution
Approach.In the region of mixed flow run-off system, part of contaminated water is mixed in Storm Sewer System and rainwater Boosting pumping station, causes rainwater cannot
Qualified discharge, wherein unqualified mixing water in fine day or Pluvial, can only be discharged into natural water by riverine rainwater Boosting pumping station.
Therefore, for the more complicated feelings of the variation of water in above-mentioned rainwater Boosting pumping station or mixed flow run-off system
How condition post-processes it and be reached the standard of drinking water, become one of current urgent problem to be solved.
Invention content
To solve the above problems, at the invention discloses a kind of water for the mixed liquor that rainwater or rainwater and sewage is effectively treated
Reason method.
To achieve the above object, the invention discloses a kind of method for treating water based on activated carbon filter film technology, the processing
Method include by staying water from front to back followed by air floatation machine and filter membrane machine the step of, the staying water enters institute
After stating air floatation machine, handle to obtain water body one through denitrifier and/or dephosphorization agent, the water body one is flowed into the filter membrane machine and through institute
Water body two is obtained after stating the activated carbon processing placed inside filter membrane machine.
It is further preferred that further include the step of water body two obtains water body three after sodium hypochlorite is handled, the water
The water quality index of body three meets《Urban wastewater treatment firm pollutant emission standard-GB 18918-2002》Level-one emission standard A.
Still further preferably, the usage amount of the sodium hypochlorite uses 600~1400mg hypochlorous acid for often processing 1L water
Sodium.
Still further preferably, the activated carbon placed inside the filter membrane machine is passed through in adsorption saturation after to be connect with air floatation machine
Plate and frame filter press handle to obtain filtrate and dewatered activated carbon, the filtrate is back in air floatation machine, described dewatered
Activated carbon through being connect with the plate and frame filter press regenerating active carbon system processing after be restored activity activated carbon, it is described extensive
Active activated carbon continues to be sent in filter membrane machine.
Still more preferably, the activated carbon usage amount inside the air floatation machine for often handle 10,000 tons of water using 0.8~
1.2 tons of activated carbons.
Still more preferably, it is 1 that the denitrifier, which is mass ratio,:1 sodium hypochlorite and sodium dichloro cyanurate, here
The activated carbon that the sodium hypochlorite used is used with processing water body two belongs to same substance.
Wherein, sodium hypochlorite is liquid, and sodium dichloro cyanurate is solid, both substances generate chlorine in water,
Chlorine is a kind of strong oxidizer, can be nontoxic nitrogen by the ammonium oxidation in water.
Still more preferably, the dephosphorization agent is at least one in soluble ferric iron salt, aluminum soluble salt, soluble calcium salt
Kind.
It is preferred that dephosphorization agent is at least one of ferrous sulfate, aluminium chloride.
It is preferred that dephosphorization agent is ferrous sulfate.
It is preferred that activated carbon is conventional use of activated carbon, production firm is without special restriction requirement.
Still more preferably, it is dirty for rainwater or municipal sewage or rainwater and city into the staying water in air floatation machine
The mixed liquor of water, wherein, the rainwater is the rainwater being collected into using rainwater Boosting pumping station, and the municipal sewage is flowed through for rainwater
The sewage being collected into behind contaminated road surface by rainwater Boosting pumping station.
In order to preferably realize technical scheme of the present invention, regenerating active carbon system disclosed above is Chinese invention patent
Apply for (application publication number：CN103739104A, data of publication of application：2014-04-23) the device announced, during above-mentioned filter membrane machine is
State's new patent (Authorization Notice No.：CN205241280U, authorized announcement date：2016-05-18) the uninterrupted self-exchange announced is lived
Property coke sewage disposal system.
Advantageous effect：
1st, processing method using the present invention collects urban rainwater Boosting pumping station rainwater or rainwater and municipal sewage
Mixed liquor is handled, and effluent quality index reaches《Urban wastewater treatment firm pollutant emission standard》(GB 18918-2002)
Level-one emission standard A, and advanced treating further is carried out to water quality, its whole index is made to reach ground Table IV class water quality standard, portion
Different water index reaches earth's surface Group III water quality standard, fully meets semiclosed for being discharged into the closing such as major river valley, lake, reservoir
The sewage drainage standard that waters performs, can be directly discharged into natural water；
2nd, the equipment that processing method of the present invention uses has that floor space is small, and operating cost is low, and treatment effeciency is high, water
Greatly, range is wide, and impact resistance is relatively strong, can cope with the advantages that extreme influent quality situation；
3rd, processing method of the present invention can be used in combination with sewage treatment plant, rainwater Boosting pumping station etc., formed and had complementary advantages.
Description of the drawings
Fig. 1 is the process flow chart of method for treating water of the present invention；
Fig. 2 is the COD removal effect curves of the embodiment of the present invention；
Fig. 3 is the ammonia nitrogen removal effect curve of the embodiment of the present invention；
Fig. 4 is the total nitrogen removal effect curve of the embodiment of the present invention；
Fig. 5 is the total phosphorus removal effect curve of the embodiment of the present invention；
Fig. 6 is the suspended solid removal effect curve of the embodiment of the present invention.
Specific embodiment
Present invention is generally directed to the rainwater or municipal sewage of the rainwater Boosting pumping station conveying in being pumped in municipal drainage or cities
The mixed liquor of sewage and rainwater is handled, and municipal sewage therein flows through the city collected behind contaminated ground for rainwater
City's sewage, ingredient are relative complex compared with rainwater.
Water quality in rainwater or municipal sewage is investigated, find water body in water quality it is usually unstable, each nutrition into
Point unbalanced, organic concentration is relatively low, wherein, the main polluted factors in water body are reducing substances (COD), suspended solid
(SS), ammonia nitrogen and total phosphorus etc., the water quality to enable to obtain after processing are better than《Urban wastewater treatment firm pollutant emission standard》(GB
The requirement of level-one A standard water quality, reaches in line standard in 18918-2002), equipment or assembled is being used to construct as possible
Object, on the basis of reducing civilwork engineering quantity, the invention discloses a kind of method for treating water based on activated carbon filter film technology.
The technical process of the method for treating water from new means of livelihood pumping plant (i.e. rainwater Boosting pumping station) as shown in Figure 1, fetch water
It is promoted in air floatation machine 2 by intake pump 1, generally, every air floatation machine 2 is equipped with a dissolving, and the dissolving is molten by pressurizeing
Micro-bubble is discharged into water body after gas, while denitrifier and dephosphorization agent are added during bubble floating by water in water inlet
The suspended matters such as SS and colloid in body are carried to the water surface, after standing time enough, pass through Slag Scraping Device most at last SS and colloid etc.
Suspended matter is detached with water body, obtains water body one, and treated, and water body one enters from the bottom of air floatation machine 2 in filter membrane machine 3, filter
Activated carbon is placed in film machine 3, continues the polluter in adsorbed water body one using the suction-operated of activated carbon, water is greatly reduced
The content of COD etc. in body, reaches deep purifying effect, obtains water body two, continues to add in sodium hypochlorite into the water body two
It further reduces ammonia-nitrogen content and obtains water body three, through examining, water quality index reaches the water body three《Urban wastewater treatment firm
Pollutant emission standard-GB 18918-2002》Level-one emission standard A can be recycled directly.
Wherein, with reference to Fig. 1 it is found that the activated carbon in filter membrane machine 3 is after adsorption saturation, it usually needs take out, be put into new
Activated carbon, and the cost of activated carbon is higher, to reduce production cost, present invention joint regenerating active carbon treatment technology will adsorb
The activated carbon of saturation is put into useless carbon pond 4, then the dehydration through plate and frame filter press 5, and obtained filtrate is back in air floatation machine 2
Water treatment procedure next time is completed, dewatered activated carbon, which enters in regenerating active carbon system 6, to be regenerated, and restores its absorption
It is mixed into after ability with compound adsorbent with carbon pond 7, for recycling for filter membrane machine 3, wherein, the activated carbon that the present invention uses
Regenerating unit is Chinese invention patent application (application publication number：CN103739104A, data of publication of application：2014-04-23) announce
Regenerating furnace；The filter membrane machine 3 is Chinese new patent (Authorization Notice No.：CN205241280U, authorized announcement date：2016-
05-18) the uninterrupted self-exchange activated coke sewage disposal system announced.
In order to preferably explain the present invention, below in conjunction with the specific embodiment main contents that the present invention is furture elucidated, but
Present disclosure is not limited solely to following embodiment.
The influent quality that this implementation is selected is inferior to level-one B standard, as shown in table 1：
1 influent quality of table
Regulation effluent quality meets level-one A water quality for minimum standard, strives for reaching or better than IV class standard of earth's surface, standard is such as
Shown in table 2；
2 effluent quality standard of table
| Index | Design effluent quality | Earth's surface IV | Level-one A |
| COD(mg/L) | 30 | 30 | 50 |
| BOD5(mg/L) | 8 | 6 | 10 |
| Ammonia nitrogen (mg/L) | 5(8) | 1.5 | 5(8) |
| Total nitrogen (mg/L) | 15 | 1.5 | 15 |
| Total phosphorus (mg/L) | 0.3 | 0.3 | 0.5 |
In above-mentioned Tables 1 and 2, Con trolling index when the outer numerical value of bracket is 12 DEG C of water temperature ＞, in bracket numerical value for water temperature≤
Con trolling index at 12 DEG C.
The equipment that the present embodiment is selected is equipment shown in FIG. 1, wherein, air floatation machine and filter membrane machine are respectively two, side by side
Two units are formed, the water treatment capacity of each unit is 5000m3/ day, two units are run simultaneously, meet 10000m3/ d's
Treating capacity；Specifically：The size of air floatation machine is length × width × height=13m × 2.8m × 2.5m, and the dissolving of outfit (commonly uses model
, the green firm model ZYW-5 up to Environmental Protection Technology Co., Ltd's production in the present invention preferably Jiangsu) and a diameter of 1000mm；Filter membrane
The size of machine is length × width × height=7.5m × 6.0m × 3.3m, and the chamber space of the plate and frame filter press of outfit is 3m3。
Specific process parameter control：
Intake pump selects two, and using frequency control, when sewage disposal system normal operation opens two intake pumps simultaneously,
Consider that filter membrane machine has the non-working time of about 3 hours daily, practical daily run time is 21 hours, now sets water inlet pump frequency
It is set to 40Hz, flow of inlet water 470m3/ h meets daily 10000m3Treating capacity；
Specifically, air floatation machine mainly controls dosage：The liquid PAC dosages that mass percent is 10% are 50L/h (dense
Spend for 100mg/L), separate unit 25L/h；The PAC dosages that mass percent is 1 ‰ are 50L/h (a concentration of 1mg/L), separate unit
25L/h；It is 1 to be additionally added mass ratio:1 sodium hypochlorite liquid and the mixture of sodium dichloro cyanurate solid, the mixture
Dosage for often processing 1L water add 2kg mixtures；Dissolving pressure control is between 0.35MP~0.4MP, air floatation machine liquid
Position is kept constant, convenient for descum；
Specifically, filter membrane machine has 3 kinds of operating statuses, and normal operation, aeration wash charcoal, useless charcoal displacement, the switching master of three state
If instructing to complete by the vacuum table before filter membrane machine water outlet pump, vacuum table is aerated in 0.05MP and washes charcoal, when washing charcoal repeatedly
Vacuum table still reaches more than 0.06MP afterwards and when water flow substantially reduces carries out changing charcoal work, and useless charcoal squeezes into useless canister, then
It carries out new charcoal to add, into normal operating condition.
Wherein, the aeration of activated carbon 6~8 hours washes that charcoal is primary, and substitute activity charcoal is primary within 24 hours, activated carbon under normal circumstances
Dosage is preferably every ten thousand tons of water of 1 ton of charcoal.
The place of adding of sodium hypochlorite liquid is at total outlet pipe road, and the dosage of sodium hypochlorite liquid is (dense for 500L/h
Spend for 1000mg/L), the ammonia nitrogen for the 10mg/L that can degrade.
Water quality is handled using above equipment and related process parameters, and sampling in continuous 10 days is detected, and is obtained
The results are shown in Table 3；
3 water quality testing data result of table
Each index in table 3 is analyzed, has respectively obtained Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6.
As shown in Figure 2, between 71~121mg/L, mean concentration 84.6mg/L goes out inlet COD concentration during test
For water COD concentration between 12.3~18.5mg/L, mean concentration 15.7mg/L, COD average removal rate are 80.8%, and then are said
Understand that the COD aqueous concentrations of this sewage disposal system are better than design value, it is stable, simultaneously because this sewage disposal system makes
With filter membrane machine, there is stronger impact resistance to inlet COD concentration variation, in the influent qualities such as continuous sunny or initial rainwater
There is preferable treatment effect to COD in the case of severe.
With reference to Fig. 3, Fig. 4 and Fig. 5 it is found that NH3As can be seen that in system debug in the analysis of-N, TN, TP removal effect
During operation, after adding in denitrifier and the pretreatment of chemical dephosphorization medicament in system water inlet front end, into filter membrane machine advanced treating, respectively
Item effluent index can reach continual and steady design requirement, and denitrifier is to NH3- N and TN has good removal effect, NH3- N is put down
The average removal rate that equal removal rate is more than 90%, TN has reached more than 90%.By adding chemical dephosphorization medicament, water outlet TP is dense
Degree mean concentration is 0.23mg/L, and average removal rate reaches more than 85%, is discharged NH3- N, TN, TP are better than《Urban wastewater treatment
Factory's pollutant emission standard》Specified in level-one emission standard A.Wherein, the 5th day, deteriorate since front end intakes, NH3-N、TN、
TP concentration is respectively 19.7mg/L, 22.6mg/L, 3.18mg/L, and by the processing of this sewerage, final outflow water remains to reach
Design standard is discharged, showing the impact resistance of present treatment system can be relatively strong, can cope with extreme influent quality situation.
It will be appreciated from fig. 6 that since present treatment system is using filter membrane machine technique, formed by activated carbon in filtering net surface
Certain thickness charcoal post, not only have suction-operated to COD of sewage, but also there is good Physical entrapment to act on to SS, can remove
Most SS in sewage.
Test data is also shown, and SS concentration is discharged during test and is maintained at 1mg/L, almost SS Monitoring lower-cuts value, average
Removal rate is up to more than 97%, illustrates that this system has SS in water stronger processing capacity, water inlet SS was up to 84mg/ on 5
During L, water outlet SS can still be discharged with stably reaching standard.
In conclusion in water inlet close under level-one B condition of water quality, average effluent COD is after adding medicament and handling
15.7mg/L, average removal rate 80.8%, better than earth's surface Group III water quality standard (20mg/L)；Ammonia nitrogen is discharged average value
0.92mg/L, average removal rate is more than 90%, better than Group III water quality standard (1.0mg/L)；Total nitrogen is discharged average value
1.31mg/L, average removal rate is more than 90%, better than IV classes water quality standard (1.5mg/L)；Total phosphorus water outlet average value is 0.23mg/
L, average removal rate is more than 90%, better than IV class water quality standards
(0.3mg/L).SS concentration is discharged during test and is maintained at 1mg/L, average removal rate is up to more than 97%, almost
SS Monitoring lower-cut values；And it intakes in front end and deteriorates suddenly, the indexs such as COD, ammonia nitrogen, total phosphorus concentration, which substantially exceed, to be designed into water number
When, this system final outflow water remains to reach and better than design standard.
Above example is only best citing, rather than a limitation of the embodiments of the present invention.Except above-described embodiment
Outside, the present invention also has other embodiment.All technical solutions formed using equivalent substitution or equivalent transformation, all fall within the present invention
It is required that protection domain.
Claims (8)
1. a kind of method for treating water based on activated carbon filter film technology, the processing method include by staying water from front to back according to
Secondary the step of flowing through air floatation machine (2) and filter membrane machine (3), it is characterised in that：The staying water enters the air floatation machine (2)
Afterwards, it handles to obtain water body one through denitrifier and/or dephosphorization agent, the water body one is flowed into the filter membrane machine (3) and through the filter
Water body two is obtained after the activated carbon processing placed inside film machine (3).
2. the method for treating water according to claim 1 based on activated carbon filter film technology, it is characterised in that：Further include the water
Body two obtains the step of water body three after sodium hypochlorite is handled, and the water quality index of the water body three meets《Urban wastewater treatment firm
Pollutant emission standard-GB18918-2002》Level-one emission standard A.
3. the method for treating water according to claim 2 based on activated carbon filter film technology, it is characterised in that：The sodium hypochlorite
Usage amount use 600~1400mg sodium hypochlorite for often processing 1L water.
4. the method for treating water based on activated carbon filter film technology according to claims 1 or 2 or 3, it is characterised in that：The filter
The place of plate and frame filter press (5) of the activated carbon placed inside film machine (3) after adsorption saturation by being connect with air floatation machine (2)
Reason, obtains filtrate and dewatered activated carbon, and the filtrate is back in air floatation machine (2), and the dewatered activated carbon passes through
The processing of regenerating active carbon system (6) being connect with the plate and frame filter press (5), the activated carbon for the activity that is restored are described extensive
Active activated carbon continues to be sent in filter membrane machine (3).
5. the method for treating water according to claim 4 based on activated carbon filter film technology, it is characterised in that：The air floatation machine
(2) internal activated carbon usage amount uses 0.8~1.2 ton of activated carbon often to handle 10,000 tons of water.
6. the method for treating water according to claim 4 based on activated carbon filter film technology, it is characterised in that：The denitrifier is
Mass ratio is 1:1 sodium hypochlorite and sodium dichloro cyanurate.
7. the method for treating water according to claim 4 based on activated carbon filter film technology, it is characterised in that：The dephosphorization agent is
At least one of soluble ferric iron salt, aluminum soluble salt, soluble calcium salt.
8. the method for treating water according to claim 4 based on activated carbon filter film technology, it is characterised in that：Into air floatation machine
(2) staying water in is rainwater or municipal sewage or the mixed liquor of rainwater and municipal sewage.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109650668A (en) * | 2019-01-25 | 2019-04-19 | 广州故乡源水处理有限公司 | A kind of governing system applied to black-odor riverway |
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