CN107364919A - It is a kind of be used to decolourizing, the wastewater treatment composition of taste removal and precipitation - Google Patents
It is a kind of be used to decolourizing, the wastewater treatment composition of taste removal and precipitation Download PDFInfo
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- CN107364919A CN107364919A CN201710633134.0A CN201710633134A CN107364919A CN 107364919 A CN107364919 A CN 107364919A CN 201710633134 A CN201710633134 A CN 201710633134A CN 107364919 A CN107364919 A CN 107364919A
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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
- C02F1/28—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
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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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
-
- 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
- C02F1/66—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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Abstract
The present invention relates to for decolourizing, the wastewater treatment composition of taste removal and precipitation, it is included：Weight percent, 5 10% silica；20 35% sodium hydroxides；25 40% calcium oxide；35 55% activated carbons.The working mechanism of the composition is absorption, ion exchange and cohesion.Further disclose it is described be used to decolourizing, the manufacture craft of the wastewater treatment composition of taste removal and precipitation, and be used to decolourizing described in use, the method and technique of the wastewater treatment composition of taste removal and precipitation.Further disclose the device and workflow for the composition being assigned in waste water.
Description
Technical field
The present invention relates to for decolourizing, the wastewater treatment composition of taste removal and precipitation, more particularly, to by combining and
Particle in waste water, including water-soluble granular and solid suspended particle not soluble in water are condensed, for de- in waste water treatment process
Color, except stink peculiar smell and precipitation link.
Background technology
For a long time, environmental problem getting worse.Wherein water pollution the problem of turn into numerous environmental problems in compare emphasis
Problem, water pollution cause soil pollution, then trigger air pollution, destroy overall ecological environment.Water pollution control be environment and
The source of ecological protection.The main source of water pollution is sanitary sewage and trade effluent, wherein for hazard of contaminant degree,
Trade effluent stands in the breach；And in the total amount of sewage discharge, sanitary sewage occupies larger specific gravity, and rises year by year.
Pollutants in Wastewater is dirty mainly from mankind's excretion, food residual, detergent, natural precipitation and industrial production
Contaminate form of the thing in waste water and be divided into water-soluble substances and suspended particulate, include a variety of harmful bacterias and virus.Pollutant again may be used
It is divided into organic and inorganic two major classes pollutant component.
Distinguished from water body sense organ contact scar, visually waste water water body presentation obvious abnormal color caused by because of pollution
(be typically black or blacking up color and various dyestuff residual colors), cause the smell that people do not feel like oneself or even detested in smell
(stink and various peculiar smell).
Color majority in sanitary sewage is black, is mainly caused by body eutrophication；It is and useless including black
Other colour substances in water, it is mainly derived from the dyestuff remained in industrial production and causes.Amine compound and copper in dye structure,
The heavy metal elements such as chromium, zinc, arsenic, there is larger toxicity.
The appreciable odorant of smell of people has kind more than 4000, wherein there is tens kinds of odorant people common or to life
Production and living environment influence very big, such as ammonia, hydrogen sulfide, trimethylamine, formaldehyde, styrene, thio-alcohol, lower aliphatic acids.Gas
Taste is mainly that corresponding material discharges into air and caused.
For a long time, the decolouring of waste water and taste removal problem turn into the disaster for being badly in need of solving in domestic and international wastewater treatment
Topic, mainly decolouring difficulty are high, not thoroughly；Stink and peculiar smell can in right amount remove from water body and (have residual), but generate sludge
Smell weight.From prior art as can be seen that whether physics, chemistry or biochemical sewage treatment technology, can not good pin
To the decolouring and taste removal in waste water, or in order to reach corresponding water quality requirement, technique and equipment are complicated, build input and operation
It is costly.
Accordingly, it is desirable to provide a kind of new composition, said composition pass through for water-soluble substances in waste water and suspension
The absorption and coagulative precipitation of particle, so as to which efficiently and thoroughly waste water decoloring, taste removal even be sterilized, and simply, it is economical.
The content of the invention
The invention provides a kind of composition based on absorption, ion exchange and coherent function method, said composition is used to pass through
The contact between composition and waste particles and adsorption efficiency, ion exchange and cohesion flocculation sediment are improved, is come effectively and efficient
Ground removes the compositions such as colourity, smell and the suspension in waste water, and possesses sterilization and precipitation, and processing speed is fast, drops simultaneously
Low sludge quantity, so as to realize above-mentioned target.
The present invention relates to it is a kind of be used to decolourizing, the composition of taste removal and precipitation, it is included：Weight percent, 35-55%
Activated carbon (AC)；25-40% calcium oxide (CaO)；20-35% sodium hydroxides (NaOH)；With 5-10% silica (SiO2).Institute
The particle diameter for having composition is 30-50 microns (μm).Wherein the surface area of activated carbon is every gram of 2200-2700 square metres of (m2)。
In a preferred embodiment, above-mentioned composition includes：Weight percent, 40% activated carbon；30%CaO；23%
NaOH；7%SiO2.Particle diameter is 37 μm, and activated carbon surface accumulates every gram of 2500m2。
Further, the present invention relates to it is a kind of make it is above-mentioned be used to decolourizing, the composition of the processing waste water of taste removal and precipitation
Technique, including：
A) by electromagnetic separation technology, the ion degree for increasing the composition grain anion is more than 60%；Improve from
Son exchanges and adsorption more than 50%；
B) by nitrogen stripping process, the oxygen carrying amount of the composition grain is increased with respect to before processing lifting 50%, and
Grain structure space 60% is lifted, 40% is improved so as to lift composition COD and BOD in the treatment of waste water treatment efficiency
More than；Water solubility rate 20% is improved in loose grain structure space, improves adsorption rate 60%.
Above due to being modified with new manufacture craft to traditional raw material, thus for decolourizing, taste removal and precipitation
Processing waste water composition each composition play effect just have very big change.
In of the invention further open, further relate to it is a kind of using it is above-mentioned be used to decolourizing, the processing waste water of taste removal and precipitation
Composition method, to pH value range be 3-13 waste water in add 50-1000g/m3Composition.
In the present invention further discloses, a kind of device for being used to distribute above-mentioned composition is introduced herein, it includes：
Power supply；Controller, for controlling quantity allotted；Storage tank；Motor and decelerator, it is connected with the screw rod in commissioning pipe；
Wherein, the bottom opening of the storage tank is connected with commissioning pipe, so that composition is launched to commissioning pipe from storage tank, and it is described
Commissioning pipe has opening at one end, is needed so that composition is assigned in waste water water body to be processed.
Brief description of the drawings
Fig. 1 be for distribute the present invention be used to decolourize, the schematic device of the wastewater treatment composition of taste removal and precipitation；
Fig. 2 be for by the present invention be used to decolourize, the wastewater treatment composition of taste removal and precipitation mixes with waste water stirs
Mix device schematic diagram；
Fig. 3 be the present invention be used to decolourize, the absorption of the wastewater treatment of the wastewater treatment composition of taste removal and precipitation, ion are handed over
Change and coherent function method and process schematic；
Fig. 4 be meet the present invention be used to decolourize, the waste water treatment process stream of the wastewater treatment composition of taste removal and precipitation
Cheng Tu；
Fig. 5 be meet the present invention be used to decolourize, the sewage water treatment method of the wastewater treatment composition of taste removal and precipitation and
The schematic diagram of the device of technological requirement；
Fig. 6 is the wastewater treatment conventional process flow figure for being currently used for decolouring, taste removal and precipitation.
Embodiment
This part will disclose the specific embodiment of the present invention.The embodiment disclosed herein is the example of the present invention, and it can be with
Embody in different forms.Therefore, including the disclosed detailed content of concrete structure and function detail is not intended to limit the present invention, and
It is merely possible to the basis of claim.It should be appreciated that the detailed description and accompanying drawing of the present invention are not limited to but are
All possible modification, equivalent and the alternative that covering is fallen into the scope of the invention defined such as appended claims.This
Application uses word " can with " rather than compulsory meaning with the meaning of permission in the whole text.Similarly, unless otherwise indicated, word
" comprising ", "comprising" and " composition is " expression " including but is not limited to ".Word " one " or "one" expression " at least one ",
Word " multiple " represents more than one.When using abbreviation or technical term, these terms are represented in the technical field
That knows is generally accepted implication.The present invention is described now with reference to accompanying drawing 1-6.
The present invention relates to it is a kind of be used to decolourizing, the composition of taste removal and precipitation, it is included：Weight percent, 35-55%
Activated carbon (AC)；25-40% calcium oxide (CaO)；20-35% sodium hydroxides (NaOH)；With 5-10% silica (SiO2).Institute
The particle diameter for having composition is 30-50 microns (μm).Wherein the surface area of activated carbon is every gram of 2200-2700 square metres of (m2)。
In preferable actual example, above-mentioned composition includes：Weight percent, 40% activated carbon；30%CaO；23%
NaOH；7%SiO2.Particle diameter is 37 μm, and activated carbon surface accumulates every gram of 2500m2。
Table 1：Compound and its optimal working range in the present composition:
| Optimal % | + 5% | - 5% | + 5% | - 5% | + 5% | - 5% | + 5% | - 5% | |
| Activated carbon | 40 | 42 | 38 | 40 | 40 | 40 | 40 | 40 | 40 |
| Calcium oxide | 30 | 30 | 30 | 31.5 | 28.5 | 30 | 30 | 30 | 30 |
| Sodium hydroxide | 23 | 23 | 23 | 23 | 23 | 24.15 | 21.85 | 23 | 23 |
| Silica | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7.35 | 6.65 |
| Total percentage | 100 | 102 | 97 | 101.5 | 98.5 | 101.15 | 98.15 | 100.35 | 99.65 |
| Actual percentage | 41.2 | 39.2 | 31.0 | 28.9 | 23.9 | 22.3 | 7.3 | 6.7 |
In the preferred embodiment of the invention, for decolourizing, the wastewater treatment composition of taste removal and precipitation, it is added to waste water
In the composition quantity in 50-1000g/m3In the range of.
In the preferred embodiment of the invention, before the composition is added, model of the pH value in 3-13 of waste water is adjusted
In enclosing.
In the preferred embodiment of the invention, the composition is powder of solid particles shape.
Referring to the drawings 3, in the preferred embodiment of the invention, the composition produces work in waste water in the following order
With：Sodium hydroxide, activated carbon, it is finally calcium oxide followed by silica.This order of action is to ensureing the group as entirety
The service behaviour of compound is important, it is necessary to which order is completed to be dissolved in the mechanism of water, ion exchange, absorption, cohesion and precipitation.
In the preferred embodiment of the invention, further comprise using the agitator being located in pond with least 80rpm speed
The step of degree mixes composition with waste water.
As described in this specification, term waste water is the water for being mixed with pollutant, wherein, the source of the waste water
Including but not limited to family, municipal administration, industry, underground water, Urban Rain and seawater.The pollutant includes but is not limited to, aqueous
Construct, pathogen, nonpathogenic bacteria, organic granular, Water-soluble Organic Substances, inorganic particle, water-soluble inorganic material, micro- life
Thing, macroscopic solid, gas, emulsion, toxin and medical compounds etc..Term sludge, it is defined as by the mixed of liquid and solid constituent
The product of compound or wastewater treatment.The waste water being referred to as in this manual, but be not limited to, can be in use of the present invention
In the lower acquirement identical wastewater treatment result of wastewater treatment composition effect of decolouring, taste removal and precipitation.
According to the present invention, sodium hydroxide is ion exchange and pH adjustment effects in the composition.Sodium hydroxide is in water
In there is relatively high solubility, its sodium ion can be by the water-soluble metal cation exchange in waste water, especially heavy metal sun
Ion；The sodium ion separated will not produce new sediment and harmful substance, will not bring secondary disaster.Sodium hydroxide has
There is strong basicity, can effectively expose such as ammonia, hydrogen sulfide, trimethylamine, formaldehyde, styrene, thio-alcohol, the production of lower aliphatic acids smell
Biomass molecule.
According to the present invention, activated carbon is adsorbent.Activated carbon can effectively adsorb reactive dye in waste water, alkalescence dye
The colors such as material, azo dyes and heavy metal produce material, while also can effectively adsorb smell generation matter, and stably in activity
In the micro-cavities structure of charcoal, no longer discharge.
According to the present invention, calcium oxide is in the composition raising water pH value, forms precipitation and disinfective action.Oxidation
First reacted in calcium input sewage with water, generate calcium hydroxide, the acidic materials of waste water can be neutralized, improve the pH value of water；Generation
Acidic materials in calcium hydroxide and water body carry out neutralization, generate water and calcium salts substances, and calcium salts substances are generally not
Water is dissolved in, forms minute solid particles, plays a part of precipitating and assisting flocculation, can play particle especially for colloidal particles increases
Weight, the centrifugation for accelerating insoluble matter, so as to assist cohesion of the particulate matter in water body；Simultaneously can effectively remove phosphate radical,
The anion such as sulfate radical and fluorine ion, destroy the combinations of complexing agent or intercalating agent to metal ion such as sulfamic acid root；Calcium oxide
It is a kind of disinfecting drug the most frequently used in inorganic salts, can not only be used for disinfectant, but also as improver of water quality, has and kill carefully
Bacterium and virus etc. act on.
According to the present invention, silica is cohesion in the composition.Silica can be small solidifying in sewage
Poly- particle, part bacterial virus and Nanoparticle material are adsorbed onto silica particles, are formed with silica dioxide granule
Centered on bulky grain group, so as to form flocculating setting effect.
In the preferred embodiment, the particle diameter that the composition forms each composition is 37 μm so that composition can be quick
It is dissolved in waste water water body, improves and the ion exchange of Pollutants in Wastewater, absorption and coagulative precipitation speed；
In a preferred embodiment, the composition has carried out cation in manufacturing process using electromagnetism separate mode
Reduction screening, ensure that the anion degree of composition is more than 60%；
In a preferred embodiment, the composition has carried out denitrification increasing in manufacturing process using nitrogen stripping mode
Oxygen is handled, and the oxygen content between guarantee composition grain and in activated carbon capillary is more than 50%；
In a preferred embodiment, the activated carbon in the composition is high efficiency active carbon, and its surface area is every gram 2500
Square metre；
It is further open herein, it is described be used to decolourizing, the manufacture craft of the wastewater treatment composition of taste removal and precipitation, bag
Include：
A) optimize and screen by electromagnetism separating technology, weaken the cation in composition grain, increase described group
The particle anion degree of compound is to more than 60%；In a preferred embodiment, 0.5-1.0 is employed in the composition fabrication processes
Tesla (T) magnetic field intensity, at least continue screening time 10-20 minutes, and preferably positive magnetic pole composition grain, so as to described
Conventional components in composition form modification, improve ion exchange in the treatment of waste water and adsorption up to more than 50%；
B) taking for oxygen in the composition grain gap and the fine cavity structure of activated carbon is carried out by nitrogen stripping process
Ribbon amount, and form more loose grain structure space；In a preferred embodiment, employed in the composition fabrication processes every
Minute, 1.6 cubic metres of oxygen were blown into, and so as to lift 50% to the oxygen carrying content in the composition, and lifted grain structure space
60%, make its in the treatment of waste water COD and BOD treatment efficiency improve more than 40%；Improve water in loose grain structure space
Molten speed 20%, improve adsorption rate 60%；
Above due to being transformed with new manufacture craft traditional raw material, so the waste water carried out in the composition
In processing, the effect that each composition plays just has very big change.
Distribute for decolourizing, the device such as accompanying drawing 1, accompanying drawing 2 and the institute of accompanying drawing 5 of the wastewater treatment composition of taste removal and precipitation
Show.The composition includes, weight percent, 5-10% silica；20-35% sodium hydroxides；25-40% calcium oxide；
35-55% activated carbons；Composition distributor includes described in accompanying drawing 1：101 be power supply；102 be controller, for control and
Regulation distribution speed；Storage tank is 103, and its bottom opening is 104；Motor and decelerator are 105, its with positioned at commissioning pipe 107
In screw rod 106 be connected；Wherein, the bottom opening 104 of the storage tank 103 is connected with commissioning pipe 107, so that the composition
It is flow to from storage tank 103 in commissioning pipe 107, the commissioning pipe 107 has hole at one end, so that the composition is allocated and thrown
It is put into the reaction tank 200 (referring to Figures 1 and 2) of wastewater treatment.
Composition agitating device described in accompanying drawing 2 includes waste water reaction pond 200 and agitator 201.Wastewater treatment reaction tank 200
Upper agitator 201 of the installation with 80 turns of (rpm) mixing speeds at least per minute.The agitator is independent device, including
Stirring motor, decelerator, power transmission shaft and stirrer paddle.Agitator under at least 80rpm rotating speeds, by with power transmission shaft 45-75 degree
The stirrer paddle of angle, infundibulate swirling water current form is formed in water body.
In the preferred embodiment of device is related to, allocated composition is graininess.
Beneficial effects of the present invention
It is each that the composition of the present invention can be readily removable colourity in waste water, stink, peculiar smell, suspension, anion etc.
Kind pollutant.Other conventional physicals, chemistry and biochemical processing method and technology than being used in wastewater treatment is more efficient and effective.
The relatively conventional chemical floc of the composition and biochemical sewage processing method, the combination being added in unit volume waste water
Thing quantity is few, and ion exchange and adsorption efficiency are high, thus it is few to produce sludge quantity；The composition can also be directed to waste water and carry out one
Determine the sterilization and bactericidal action of degree；The composition is used only a kind of product and simplifies operating procedure, stopped without water body and
Stand, reduce overall synthetic operating cost.
Compared with other existing like products of in the market, composition of the invention can quickly and to effectively remove waste water
In colourity, stink, peculiar smell, solid amount (TDS), suspended solid total amount (TSS), anion etc..
Due to the present invention composition traditional raw material is transformed using new manufacture craft, so one newly
In formula, the effect that each composition plays just has very big change.
Compared with other Exemplary chemical methods for usually requiring about 50 minutes, composition of the invention can obtain up to 2-
The processing speed of 3 minutes.In addition, the composition of the present invention only needs single step to handle, and some other chemical treatment methods include
Multi step strategy.Other advantages using the present invention are, discharge the greenhouse gases of minimum.The composition of the present invention can ensure
Treated water has continued quality.
Following examples prove the application of the composition of the present invention in the treatment of waste water.It should be understood that following embodiment
Merely to explanation and prove purpose, by these embodiments advantages of the present invention can be made apparent, should not be construed as with
Any mode limits the present invention.
Embodiment
Implement the present invention in the wastewater treatment of textile and dyeing industry.The present invention drafts the useless of certain weaving pad dyeing factory of processing
Water, factory's waste water are dyeing waste water caused by the production process of industrial textile printing and dyeing, and index request is discharged after processing and meets China
Dyeing sewage drainage standard.
Table 2：The characteristic (raw water index and processing discharge index) of waste water from textile and dyeing industry
The enterprise has original treatment facility of processing caused waste water in the production process of industrial textile printing and dyeing.
Original Waste Water Treatment is the group using polyaluminium chloride (PAC) polymer, sodium hydroxide and chemical agent such as ferrous sulfate
Cooperate that there is about 45m for its flocculating agent and decolorising agent, treatment facility3The discharge of wastewater ability of/hour.Operation 24 hours, give up
Water total emission volumn is 1,080m3/ day.A waste water part after processing recycles through the laggard production of film process, and another part enters
Enter pipe network discharge.At present in the system operation, the design deficiency for the treatment of facility, when using chemical agent, PAM polymer
The retention time of at least 50 minutes is needed, and turbulent flow is required in order to react, this may cause in reaction tank and flocculation basin
Reaction after nonideal reaction complete the treatment facility and can not handle the flow velocity of daily discharge of wastewater.And in waste water
Treatment facility relies on air blower and provides required turbulent flow, and this causes from reaction caused mud from a pond to another pond
Further aggregation.Simultaneously as producing, sludge quantity is big, and water inlet index pollutional load is higher, and Waste Water Treatment operation is unstable,
Qualified discharge or reuse can not be accomplished.
Reference picture 6, the original sewage treatment technology process used in the enterprise are as follows.First, waste water is collected.Waste water
Adjust by acid pH, waste water is neutralized using sodium hydroxide (NaOH).After being neutralized, waste water is flow to adds wherein
Added with the reaction tank of chemical agent ferrous sulfate and reactant (PAM polymer).Waste water by subsider, subsequently into
(SBR) biological reaction pool.Then recycled by a waste water part for biochemical reaction tank through the laggard production of film process, another portion
Divide and enter pipe network discharge.The mud collected from subsider and biological reaction pool is provided to filter-press and handled again
Or abandon.
In order to solve above-mentioned printing and dyeing enterprise problems faced, the composition of the present invention is introduced, it is included, by weight percentage
Number, 5-10% silica；20-35% sodium hydroxides；25-40% calcium oxide；35-55% activated carbons.By the composition with
About 50-1000g/m3Amount be added to pH value range be 3-13 wastewater treatment in.Preferably, at the industrial waste water
The composition used in reason facility includes, weight percent, 40% activated carbon；30% calcium oxide；23% sodium hydroxide；7%
Silica.The composition is graininess.
Reference picture 1, Fig. 2, Fig. 4 and Fig. 5, also introduced to the textile printing and dyeing enterprises for decolourizing, taste removal and precipitation
The handling process and device of wastewater treatment composition, the composition include, weight percent, 5-10% silica；20-
35% sodium hydroxide；25-40% calcium oxide；35-55% activated carbons；The handling process include dispensing reaction 401, flocculation 402,
The links such as inclined plate sedimentation 403；Device (accompanying drawing 5) includes：Reaction tank 501, flocculation basin 502, agitator 503, inclined plate sedimentation pond
504.In the present embodiment, the retention time of composition requirement only 10 minutes completes flocculation, decolorization.By with
At least agitator of 80rpm minimum speed stirs the mixture of composition and waste water, and the composition ton water usage amount is
200 grams, so as to complete the reaction in reaction tank.
As embodiments of the invention, the process using compositions-treated waste water there is described herein.Reference picture 5, make from work
The waste water that industry obtains is pumped into reaction tank, and above-mentioned composition is assigned in reaction tank, is sufficiently mixed and is reacted with waste water.So
Waste water is flowed into flocculation basin afterwards, forms floccule body.Waste water after being reacted with the composition in reaction tank is referred to as place
The water managed.In inclined plate sedimentation pond, preferably swash plate depositing reservoir, sludge settling is in settling tank bottom.In settling tank bottom collection
Sludge is provided to sludge filter press to carry out sludge condensation, and emptied once per 4-20 hours；Filtrate is flowed back to caused by press filtration
To flocculation basin.The priority pollutant achievement data knot of waste water of the compositions-treated afterwards in different ponds is identified in Fig. 4
Fruit, the wastewater treatment requirement of the textile printing and dyeing enterprises is fully met.
It should be appreciated that the accompanying drawing and technique of the preferred embodiment of the present embodiment do not limit the invention to it is disclosed
Specific form, it is all in the range of specification description and appended claim limits present invention encompasses falling into
Modification, equivalent and alternative.
Claims (10)
1. it is a kind of be used to decolourizing, the wastewater treatment composition of taste removal and precipitation, it is included：Weight percent, 35-55% activity
Charcoal (AC)；25-40% calcium oxide (CaO)；20-35% sodium hydroxides (NaOH)；With 5-10% silica (SiO2)。
2. composition according to claim 1, it is characterised in that：The particle diameter of all the components is 30-50 microns (μm)；Wherein
The surface area of activated carbon is every gram of 2200-2700 square metres of (m2)。
3. composition according to claim 1, it is characterised in that：Above-mentioned composition percentage includes, and 40%
Activated carbon；30%CaO；23%NaOH；7%SiO2；Particle diameter is 37 μm, and activated carbon surface product is every gram of 2500m2。
4. composition according to claim 1, it is characterised in that：The quantity for the composition being added in waste water exists
50-1000g/m3In the range of.
5. composition according to claim 1, it is characterised in that：The pH value of the waste water is 3-13.
6. making the technique of any one of the claim 1-5 composition, comprise the following steps：
A) by electromagnetic separation technology, the ion degree for increasing the composition grain anion is more than 60%；
B) by nitrogen stripping process, the oxygen carrying amount of the composition grain is increased with respect to before processing lifting more than 50%, and
Lift grain structure space more than 60%.
7. a kind of method that usage right requires any one of the 1-5 composition, comprises the following steps：It is 3-13 to pH value range
Waste water in add 50-1000g/m3The composition.
8. according to the method for claim 7, it is characterised in that：The composition produces work in waste water in the following order
With：Sodium hydroxide, activated carbon, it is finally calcium oxide followed by silica.
9. according to the method for claim 7, it is characterised in that：Including the use of agitator with least 80rpm speed by institute
State the step of composition mixes with waste water.
10. a kind of be used to distribute any one of the claim 1-5 devices of the composition, it includes：Power supply；Controller, it is used for
Control quantity allotted；Storage tank；Motor and decelerator, it is connected with the screw rod in commissioning pipe；Wherein, the storage tank
Bottom opening is connected with commissioning pipe, so that the composition is launched to commissioning pipe from storage tank, and the commissioning pipe is at one end
There is opening, needed so that the composition is assigned in waste water water body to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633134.0A CN107364919A (en) | 2017-07-28 | 2017-07-28 | It is a kind of be used to decolourizing, the wastewater treatment composition of taste removal and precipitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633134.0A CN107364919A (en) | 2017-07-28 | 2017-07-28 | It is a kind of be used to decolourizing, the wastewater treatment composition of taste removal and precipitation |
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