CN109942060A - A kind of sewage treatment drug of mineral base flocks - Google Patents
A kind of sewage treatment drug of mineral base flocks Download PDFInfo
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- CN109942060A CN109942060A CN201910210832.9A CN201910210832A CN109942060A CN 109942060 A CN109942060 A CN 109942060A CN 201910210832 A CN201910210832 A CN 201910210832A CN 109942060 A CN109942060 A CN 109942060A
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- flocks
- bentonite
- mineral base
- sewage treatment
- ceramic powder
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Abstract
The invention discloses a kind of sewage treatment drugs of mineral base flocks, raw material including following weight percent proportion: bentonite: aluminum sulfate: ceramic powder: calcium carbonate: chitosan=30.5~59.5%: 15.5~27%: 14.25~32%: 1.75~9.5%: 3.0~7.0%, bentonite, aluminum sulfate, ceramic powder, calcium carbonate, the granularity that each component indicates in chitosan are 50 μm.The present invention greatly reduces the use of chemicals in wastewater treatment industry, and introduce natural minerals base flocculant, to replace the use of chemical coagulator in wastewater treatment industry, the present invention is mainly made of mineralogical composition, it is capable of handling the removal rate that Pollutants in Wastewater realizes up to 95%, very intractable waste water, the present invention have not only had processing waste water ability outstanding the present invention is directed to use existing method processing, it is also environmental-friendly and since they are constituted based on mineralogical composition.
Description
Technical field
The present invention relates to sewage treatment drug technical field, specially a kind of sewage treatment drug of mineral base flocks.
Background technique
Now, in water process/sewage treatment industry, a variety of coagulating agents are mainly used, usually using 2 kinds of metal condensations
Agent, one kind being based on iron based on aluminium another kind, and the main component of aluminium class coagulating agent is aluminum sulfate or aluminium chloride or sodium aluminate, and iron class is solidifying
The main component for tying agent is ferric sulfate or iron chloride or clairtan, and there are also other chemical components also to produce coagulating agent such as carbon
Sour magnesium and Hydrated line.
The coagulating agent of aluminium class and iron class is considered being very effectively applied to wastewater treatment industry, this is because they can
The multi-charge polynuclear complex with enhancing characterization of adsorption is formed, the property of the compound of formation can be controlled by the pH value of system
System.
After iron class coagulating agent is added into water, iron ion A1 and Fe fast hydrolyzing, but whole process is generally difficult to
Control and formed a series of iron hydrolysis substance, the procedure parameter with ensure the validity of water process, the speed of mixing, pH value and
The addition of coagulating agent.
In order to improve waste water treatment efficiency, prehydrolysis inorganic coagulant based on aluminium and iron during processing no matter
How is process conditions, has all obtained significant progress, these include chloride hydrate's aluminium, aluminium polychloride, polyaluminium sulfate, polymerization
The form of silicate aluminium chloride and organic polymer aluminium polychloride, iron class form include the polymerization of polyiron sulfate and ferric salt
Object also has the mixture of polymeric ferric aluminum.
The method of preparation prepolymerization inorganic coagulant has different basicity ratios, base concentration, base adding rate, original metal
Concentration, aging time and aging temp, due to the highly effective characteristic of product, best formula is by beaker experiments and water
Type obtains ground.
Polymer be it is a kind of on a large scale natural or synthetic, water-soluble macromolecular compound, they can destroy or
Enhance aqueous body compositions flocculation, however, synthetic polymer use it is more extensive because they usually as flocculant more
Effectively, because controlled level may be implemented in process of production.
During processing, important mechanisms related with polymer include electrostatic and bridge effect, and there are many shapes for polymer
Formula, including solution, powder, pearl and oil base or water-base emulsion, polymer charge density influence the configuration in solution: for given
Molecular weight, increase charge density by increasing the electrostatic repulsion between charged elements come strained polymer chain, to increase poly-
One focus of the viscosity of polymer solution, synthetic polymer is related to potential toxicity problem, usually by remaining unreacted list
Body causes.
Chemical coagulator is a kind of wastewater treatment method widely applied in recent years, however, due to making in process of production
With various types of chemicals, so that current waste water is caused wastewater treatment difficult, there are following by more serious pollution
Disadvantage:
(1), the step of taking is needed before using chemical coagulator processing waste water
This is because chemical coagulator is since its characteristic needs another system to pre-process, if mixed using powder chemistry
Solidifying agent then needs that powder coagulant is first liquefied a period of time, which means that before coagulant is used for wastewater treatment, needs
Them are prepared in advance, this finally will increase the cost of investment of system.
(2), the residence time required when waste water is handled
The application of chemical coagulator shows that the retention time of the processing is 50-60 minutes, and before using chemicals
More times are needed to prepare them, longer retention time also leads to another key factor and needs to consider, it can increase
Add the size applied, the results showed that, since the residence time of chemical coagulator is longer, waste water treatment plant is larger.
(3), operating cost
In certain situations it is desirable to the flocculation that a considerable amount of coagulant and flocculant can be only achieved requirement is horizontal, this meeting
A certain number of physical chemistry sludge are formed, usually by external treatment, use coagulant in the treatment of waste water since sludge contains
The noxious material of generation, therefore they cannot be processed to refuse landfill, also extra charge be needed to be handled before this,
These costs can gradually rise, especially a large amount of waste water, and the dosage of the chemical coagulator used can be additional during processing
The sludge of generation, it means that a large amount of sludge volume can be generated when processing terminate.
(4), unstable form is presented in the sludge for using polymer or chemical substance to generate as coagulant, if by
Interference, the sludge of aggregation are easily broken, and the sludge generated is caused to float, because its density is not enough to settle, this will make to handle water
Separation with sludge becomes more difficult, and leads to the frequent clean of used sand filter, and increase operating cost.
The sustainability concept to the finer earth close to during, chemicals use inherently hinder this
One of the factor of concept functionization.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of sewage treatment drug of mineral base flocks, have significantly
The use of chemicals in wastewater treatment is reduced, and introduces natural minerals base flocculant, to replace chemistry in wastewater treatment industry mixed
The advantages of use of solidifying agent, the problem of solving harm of the sewage to environment, and reduce harm of the chemicals to environment.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of sewage treatment drug of mineral base flocks, packet
Include the raw material of following weight percent proportion: bentonite: aluminum sulfate: ceramic powder: calcium carbonate: anionic polymer: chitosan=
30.5~59.5%:15.5~27%:14.25~32%:1.75~9.5%:0.3~4.3%:0.7~4.7%.
The granularity that each component indicates in bentonite, aluminum sulfate, ceramic powder, calcium carbonate, chitosan and anionic polymer
It is 50 μm.
The dispersion sequence of composition are as follows: bentonite, ceramic powder, CaCO3, anionic polymer are finally aluminum sulfate, wherein
The dispersion of bentonite, ceramic powder, CaCO3, anionic polymer is sequentially without special.
Preferably, the bentonite is sodium bentonite.
Preferably, the ceramic powder is made of magnesium silicate, Mg3Si4O10 resistant to high temperature (OH) 2.
Preferably, the size of the aluminum sulfate is 50um.
Preferably, mineral base flocks composition is powdery.
A kind of preparation method of the sewage treatment drug of mineral base flocks, comprising the following steps:
(1) bentonite, aluminum sulfate, ceramic powder, calcium carbonate, chitosan and anionic polymer are mixed by above-mentioned precise proportions
It is combined, it is ensured that raw material is sufficiently mixed.
(2) mixed raw material is placed on inside agitator, product can be directly obtained by carrying out uniform stirring to raw material, be grasped
The condition of work is that production must be in arid region.
(3) packaging is sealed to the product of preparation.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of sewage treatment drugs of mineral base flocks, have following beneficial
Effect:
1, the sewage treatment drug of the mineral base flocks, greatly reduces the use of chemicals in wastewater treatment industry, and draws
Enter natural minerals base flocculant, to replace the use of chemical coagulator in wastewater treatment industry, the present invention is mainly by mineralogical composition
Composition is capable of handling the removal rate that Pollutants in Wastewater realizes up to 95%, and the present invention is directed to use existing method processing
Very intractable waste water, the present invention not only have processing waste water ability outstanding, but also since they are constituted based on mineralogical composition
, therefore be also environmental-friendly.
2, the sewage treatment drug of the mineral base flocks is powdery product, additional using not needing preceding in treatment plant
Preparation step, the product can be directly dosed into waste water treatment system by feeding apparatus, and can reduce investment outlay cost in this way.
3, the sewage treatment drug of the mineral base flocks is presented by the excellent retention time (5-10 minutes average)
Impressive performance is, which means that since the residence time is short, and waste water can be handled at faster speed, treatment process
Reaction process will be completed, and continues to handle water and is formed by the separation process of sludge, since retention time becomes now
Shorter, this also means that high efficiency, so the scale for the treatment of plant decreases, processing system of the invention is smaller, this is also helped
In save the cost.
4, the sewage treatment drug of the mineral base flocks, required dosage will subtract after being used multiple times in processes
Few, this is because the present invention is the principle based on ion conversion, after being used multiple times, ionic charge of the invention will adhere to
The container contacted during processing.
5, the application of the sewage treatment drug of the mineral base flocks can substantially reduce operating cost, environment be protected, each
After handling waste water, it will form a considerable amount of sludge, compared with prior art, use of the invention is to will not when processing terminate
Generate a large amount of sludge, handle the sludge of generation through the invention, according to the type categorization of Industrial Wastewater Treatment output object be it is nontoxic,
Because the present invention also makes pollutant unstable during processing without adding additional chemicals, make pollutant and clear water point
From not needing to carry out external treatment to sludge, and can directly fill since sludge is not considered as noxious material
Field disposition, this conveys the demand of sludge, and save the cost by finally eliminating to other authorities.
6, the sewage treatment drug of the mineral base flocks, other than the sludge quantity of formation, processing is formed through the invention
Sludge structure or stability also show that fabulous improvement, sludge is more stable when they flock together, though
It will not be dispersed when being interfered, the convenient processing to sludge.
7, the sewage treatment drug of the mineral base flocks will induce coagulation and flocculation process in wastewater treatment process, can
It is useless for handling Living Industry waste water such as concret waste water, coating waste-water, matrix waste water, oil base waste water, construction site waste water, chromium
Water, arsenic waste water, sludge and similar products, it may also be used for the decoloration of waste water from dyestuff, printing wastewater and pigment wastewater etc..
8, the sewage treatment drug of the mineral base flocks can sink using in ion transfer principle with the electronics and formation charged
After dropping solid, simply by waste water various pollutants and pollutant be aggregating, the composition conversion destroys pollutant
Charge, some colloids are stablized in realization, and precipitating is formed in the solute of dissolution by chemical reaction, and polymerization process is related to such as hanging
The pollutant of floating solid, fluoride and heavy metal, wherein the composition can more have than other chemicals used in wastewater treatment
Effect removes oil removing, grease and fluoride, and existing processing coagulant needs several chemicals to handle various pollutants, this combination
Object can rapidly isolate pollutant from waste water, a kind of product, that is, simplified operation be used only, and reduce total operating cost.
9, the sewage treatment drug of the mineral base flocks, anionic polymer are added as one of described component, yin from
The advantages of sub- polymer is widely applied flocculant in wastewater treatment industry, and anionic polymer is added in the composition is to mention
A small amount of anionic polymerisation is only added in the high validity of flocculation process and the high removal rate to positively charged pollutant, the present invention
Object occurs anionic polymer and other components by ion conversion anti-because other components have respective reunion performance
It answers, so that flocculation process be made to greatly speed up, it is long that the anionic polymer reaction time is used alone, however, adding in the composition
Enter anionic polymer to make it have short and quickly react.
Detailed description of the invention
Fig. 1 is that the present invention schemes compared with the prior art.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one:
A kind of sewage treatment drug of mineral base flocks, the raw material including following weight percent proportion: bentonite: sulfuric acid
Aluminium: ceramic powder: calcium carbonate: anionic polymer: chitosan=55.5~59.5%:15.5~19.5%:14.25~
18.25%:1.75~5.75%:0.3~4.3%:0.7~4.7%.
The granularity that each component indicates in bentonite, aluminum sulfate, ceramic powder, calcium carbonate, chitosan and anionic polymer
It is 50 μm.
Mineral base flocks composition is powdery, in order to ensure the validity and efficiency of composition, each component of composition
Measurement all must precentagewise, size and function be accurate to weight, therefore, the dispersion of the composition sequence is, composition
Dispersion sequence are as follows: bentonite, ceramic powder, CaCO3 and anionic polymer are finally aluminum sulfate, wherein bentonite, ceramic powder,
The dispersion sequence of CaCO3 and anionic polymer is without special, and this dispersion sequence is for ensuring composition as a whole
Machinability is vital.
Bentonite is sodium bentonite, bentonite adsorption capacity with higher and ion-exchange capacity, can be adsorbed
Various pollutants adsorb some organic and inorganic compound in water, including heavy metal, and this outstanding ability is due to mineral
The presence of montmorillonite, bentonite are the materials of a kind of effectively absorption and removal free oil and oil emulsion, and bentonitic use provides
Bentonitic ion surface, this makes have one layer of viscous coating on solid particle, and solid particle is caused to coagulate in aqueous solution
Knot, therefore, in preferred embodiment, bentonite is a kind of effective adhesive.
Ceramic powder is made of magnesium silicate, Mg3Si4O10 resistant to high temperature (OH) 2, and when mixed together, it is helped to improve
The heat resistance of ingredient can use at high temperature, and without any interference, biological sewage plant operators are can be improved in extraordinary magnesium silicate
Process performance, magnesium silicate granule can inhibit the floccule body of bacterium, accelerate its sedimentation, the addition of magnesium silicate is, it can be achieved that high quality
Discharge and zero bacterium loss, magnesium silicate be also used as cleanser absorption bentonite reaction generate oiliness waste, heavy wool and
Vegetable and animals oils, faster due to the dilution rate of ceramic powders in water, so the quantity of used ceramic powders is preferably and group
It is identical to close object.
The size of aluminum sulfate is 50um, and aluminum sulfate (SO4) 3 makes the impurity to suspend condense into biggish particle, then settles
Gelatinous aluminum hydroxide precipitation can be generated when aluminum sulfate is dissolved in a large amount of neutral or subalkaline water to container bottom,
Gelatinous precipitate keeps solid not soluble in water, initiator of the aluminum sulfate as coagulation process, but since the use of aluminum sulfate reduces
PH value, therefore can only be added the component in the mixture.
Anionic polymer is added as one of component, and anionic polymer is widely applied in wastewater treatment industry
Flocculant, the advantages of addition anionic polymer is to improve the validity of flocculation process and to positively charged dirt in the composition
The high removal rate of object is contaminated, a small amount of anionic polymer is only added in the present invention, because other components have respective reunion performance, leads to
Crossing ion conversion makes anionic polymer react with other components, so that flocculation process be made to greatly speed up, yin is used alone
The ionomer reaction time is long, makes it have short and quickly reacts however, anionic polymer is added in the composition.
The present invention be suitable for pH value be 7.0-11.0 waste water, when be added mineral base flocks treatment agent after the reaction was completed,
PH value will be close to 6.
Waste particles are converted to band by composition and are born by the principle height of composition based on the ion conversion of waste particles
The ionic compound of electricity, since ionic compound is usually combined by metal with nonmetallic, they have opposite electricity
Lotus, and attract one another to form new compound, waste water colloidal solid may have electrostatic charge, inhibit the poly- of particulate pollutant
Collection and sedimentation, by the electrostatic charge in ion conversion technique and in waste water, to generate flocculation sedimentation.Which ensure that aggregation is heavy
It drops as reaction as a result, and can properly process.
A kind of preparation method of the sewage treatment drug of mineral base flocks, comprising the following steps:
(1) bentonite, aluminum sulfate, ceramic powder, calcium carbonate, chitosan and anionic polymer are mixed by above-mentioned precise proportions
It is combined, it is ensured that raw material is sufficiently mixed.
(2) mixed raw material is placed on inside agitator, product can be directly obtained by carrying out uniform stirring to raw material, be grasped
The condition of work is that production must be in arid region.
(3) packaging is sealed to the product of preparation.
The composition of the invention more efficient reduction biochemical oxygen demand (BOD) of energy compared with other existing chemical treatment methods
(BOD), COD (COD), total dissolved solidss (TDS), total suspended solid (TSS), fluoride, oil, grease and heavy metal,
With other it is generally necessary to compared with 50 minutes Exemplary chemical methods, composition of the invention can be realized in range at 5-10 minutes
Processing speed and reaction is completed, in addition, composition of the invention usually only needs single-step process, and other some chemical treatments
It is related to multi-step process, present invention also ensure that its output is the high-quality processing water for meeting environmental legislation and requirement always.
Embodiment two:
A kind of sewage treatment drug of mineral base flocks, the raw material including following weight percent proportion: bentonite: sulfuric acid
Aluminium: ceramic powder: calcium carbonate: anionic polymer: chitosan=43.0~47.0%:23.0~27%:18.0~22.0%:
3.0~7.0%:0.3~4.3%:0.7~4.7%.
The granularity that each component indicates in bentonite, aluminum sulfate, ceramic powder, calcium carbonate, chitosan and anionic polymer
It is 50 μm.
Mineral base flocks composition is powdery, in order to ensure the validity and efficiency of composition, each component of composition
Measurement all must precentagewise, size and function be accurate to weight, therefore, the dispersion of the composition sequence is, composition
Dispersion sequence are as follows: bentonite, ceramic powder, CaCO3 and anionic polymer are finally aluminum sulfate, wherein bentonite, ceramic powder,
The dispersion sequence of CaCO3 and anionic polymer is without special, and this dispersion sequence is for ensuring composition as a whole
Machinability is vital.
Bentonite is sodium bentonite, bentonite adsorption capacity with higher and ion-exchange capacity, can be adsorbed
Various pollutants adsorb some organic and inorganic compound in water, including heavy metal, and this outstanding ability is due to mineral
The presence of montmorillonite, bentonite are the materials of a kind of effectively absorption and removal free oil and oil emulsion, and bentonitic use provides
Bentonitic ion surface, this makes have one layer of viscous coating on solid particle, and solid particle is caused to coagulate in aqueous solution
Knot, therefore, in preferred embodiment, bentonite is a kind of effective adhesive.
Ceramic powder is made of magnesium silicate, Mg3Si4O10 resistant to high temperature (OH) 2, and when mixed together, it is helped to improve
The heat resistance of ingredient can use at high temperature, and without any interference, biological sewage plant operators are can be improved in extraordinary magnesium silicate
Process performance, magnesium silicate granule can inhibit the floccule body of bacterium, accelerate its sedimentation, the addition of magnesium silicate is, it can be achieved that high quality
Discharge and zero bacterium loss, magnesium silicate be also used as cleanser absorption bentonite reaction generate oiliness waste, heavy wool and
Vegetable and animals oils, faster due to the dilution rate of ceramic powders in water, so the quantity of used ceramic powders is preferably and group
It is identical to close object.
The size of aluminum sulfate is 50um, and aluminum sulfate (SO4) 3 makes the impurity to suspend condense into biggish particle, then settles
Gelatinous aluminum hydroxide precipitation can be generated when aluminum sulfate is dissolved in a large amount of neutral or subalkaline water to container bottom,
Gelatinous precipitate keeps solid not soluble in water, initiator of the aluminum sulfate as coagulation process, but since the use of aluminum sulfate reduces
PH value, therefore can only be added the component in the mixture.
Anionic polymer is added as one of component, and anionic polymer is widely applied in wastewater treatment industry
Flocculant, the advantages of addition anionic polymer is to improve the validity of flocculation process and to positively charged dirt in the composition
The high removal rate of object is contaminated, a small amount of anionic polymer is only added in the present invention, because other components have respective reunion performance, leads to
Crossing ion conversion makes anionic polymer react with other components, so that flocculation process be made to greatly speed up, yin is used alone
The ionomer reaction time is long, makes it have short and quickly reacts however, anionic polymer is added in the composition.
The present invention be suitable for pH value be 7.0-11.0 waste water, when be added mineral base flocks treatment agent after the reaction was completed,
PH value will be close to 6.
Waste particles are converted to band by composition and are born by the principle height of composition based on the ion conversion of waste particles
The ionic compound of electricity, since ionic compound is usually combined by metal with nonmetallic, they have opposite electricity
Lotus, and attract one another to form new compound, waste water colloidal solid may have electrostatic charge, inhibit the poly- of particulate pollutant
Collection and sedimentation, by the electrostatic charge in ion conversion technique and in waste water, to generate flocculation sedimentation.Which ensure that aggregation is heavy
It drops as reaction as a result, and can properly process.
A kind of preparation method of the sewage treatment drug of mineral base flocks, comprising the following steps:
(1) bentonite, aluminum sulfate, ceramic powder, calcium carbonate, chitosan and anionic polymer are mixed by above-mentioned precise proportions
It is combined, it is ensured that raw material is sufficiently mixed.
(2) mixed raw material is placed on inside agitator, product can be directly obtained by carrying out uniform stirring to raw material, be grasped
The condition of work is that production must be in arid region.
(3) packaging is sealed to the product of preparation.
The composition of the invention more efficient reduction biochemical oxygen demand (BOD) of energy compared with other existing chemical treatment methods
(BOD), COD (COD), total dissolved solidss (TDS), total suspended solid (TSS), fluoride, oil, grease and heavy metal,
With other it is generally necessary to compared with 50 minutes Exemplary chemical methods, composition of the invention can be realized in range at 5-10 minutes
Processing speed and reaction is completed, in addition, composition of the invention usually only needs single-step process, and other some chemical treatments
It is related to multi-step process, present invention also ensure that its output is the high-quality processing water for meeting environmental legislation and requirement always.
Embodiment three:
A kind of sewage treatment drug of mineral base flocks, the raw material including following weight percent proportion: bentonite: sulfuric acid
Aluminium: ceramic powder: calcium carbonate: anionic polymer: chitosan=30.5~34.5%:23.05~27%:28.0~32%:5.5
~9.5%:0.3~4.3%:0.7~4.7%.
The granularity that each component indicates in bentonite, aluminum sulfate, ceramic powder, calcium carbonate, chitosan and anionic polymer
It is 50 μm.
Mineral base flocks composition is powdery, in order to ensure the validity and efficiency of composition, each component of composition
Measurement all must precentagewise, size and function be accurate to weight, therefore, the dispersion of the composition sequence is, composition
Dispersion sequence are as follows: bentonite, ceramic powder, CaCO3 and anionic polymer are finally aluminum sulfate, wherein bentonite, ceramic powder,
The dispersion sequence of CaCO3 and anionic polymer is without special, and this dispersion sequence is for ensuring composition as a whole
Machinability is vital.
Bentonite is sodium bentonite, bentonite adsorption capacity with higher and ion-exchange capacity, can be adsorbed
Various pollutants adsorb some organic and inorganic compound in water, including heavy metal, and this outstanding ability is due to mineral
The presence of montmorillonite, bentonite are the materials of a kind of effectively absorption and removal free oil and oil emulsion, and bentonitic use provides
Bentonitic ion surface, this makes have one layer of viscous coating on solid particle, and solid particle is caused to coagulate in aqueous solution
Knot, therefore, in preferred embodiment, bentonite is a kind of effective adhesive.
Ceramic powder is made of magnesium silicate, Mg3Si4O10 resistant to high temperature (OH) 2, and when mixed together, it is helped to improve
The heat resistance of ingredient can use at high temperature, and without any interference, biological sewage plant operators are can be improved in extraordinary magnesium silicate
Process performance, magnesium silicate granule can inhibit the floccule body of bacterium, accelerate its sedimentation, the addition of magnesium silicate is, it can be achieved that high quality
Discharge and zero bacterium loss, magnesium silicate be also used as cleanser absorption bentonite reaction generate oiliness waste, heavy wool and
Vegetable and animals oils, faster due to the dilution rate of ceramic powders in water, so the quantity of used ceramic powders is preferably and group
It is identical to close object.
The size of aluminum sulfate is 50um, and aluminum sulfate (SO4) 3 makes the impurity to suspend condense into biggish particle, then settles
Gelatinous aluminum hydroxide precipitation can be generated when aluminum sulfate is dissolved in a large amount of neutral or subalkaline water to container bottom,
Gelatinous precipitate keeps solid not soluble in water, initiator of the aluminum sulfate as coagulation process, but since the use of aluminum sulfate reduces
PH value, therefore can only be added the component in the mixture.
Anionic polymer is added as one of component, and anionic polymer is widely applied in wastewater treatment industry
Flocculant, the advantages of addition anionic polymer is to improve the validity of flocculation process and to positively charged dirt in the composition
The high removal rate of object is contaminated, a small amount of anionic polymer is only added in the present invention, because other components have respective reunion performance, leads to
Crossing ion conversion makes anionic polymer react with other components, so that flocculation process be made to greatly speed up, yin is used alone
The ionomer reaction time is long, makes it have short and quickly reacts however, anionic polymer is added in the composition.
The present invention be suitable for pH value be 7.0-11.0 waste water, when be added mineral base flocks treatment agent after the reaction was completed,
PH value will be close to 6.
Waste particles are converted to band by composition and are born by the principle height of composition based on the ion conversion of waste particles
The ionic compound of electricity, since ionic compound is usually combined by metal with nonmetallic, they have opposite electricity
Lotus, and attract one another to form new compound, waste water colloidal solid may have electrostatic charge, inhibit the poly- of particulate pollutant
Collection and sedimentation, by the electrostatic charge in ion conversion technique and in waste water, to generate flocculation sedimentation.Which ensure that aggregation is heavy
It drops as reaction as a result, and can properly process.
A kind of preparation method of the sewage treatment drug of mineral base flocks, comprising the following steps:
(1) bentonite, aluminum sulfate, ceramic powder, calcium carbonate, chitosan and anionic polymer are mixed by above-mentioned precise proportions
It is combined, it is ensured that raw material is sufficiently mixed.
(2) mixed raw material is placed on inside agitator, product can be directly obtained by carrying out uniform stirring to raw material, be grasped
The condition of work is that production must be in arid region.
(3) packaging is sealed to the product of preparation.
The composition of the invention more efficient reduction biochemical oxygen demand (BOD) of energy compared with other existing chemical treatment methods
(BOD), COD (COD), total dissolved solidss (TDS), total suspended solid (TSS), fluoride, oil, grease and heavy metal,
With other it is generally necessary to compared with 50 minutes Exemplary chemical methods, composition of the invention can be realized in range at 5-10 minutes
Processing speed and reaction is completed, in addition, composition of the invention usually only needs single-step process, and other some chemical treatments
It is related to multi-step process, present invention also ensure that its output is the high-quality processing water for meeting environmental legislation and requirement always.
The beneficial effects of the present invention are: the sewage treatment drug of the mineral base flocks, greatly reduces in wastewater treatment industry
The use of chemicals, and natural minerals base flocculant is introduced, to replace the use of chemical coagulator in wastewater treatment industry, this hair
It is bright to be mainly made of mineralogical composition, it is capable of handling the removal rate that Pollutants in Wastewater realizes up to 95%, the present invention is directed to use
Very intractable waste water, the present invention not only have processing waste water ability outstanding for existing method processing, but also since they are
It is constituted based on mineralogical composition, therefore is also environmental-friendly.
The sewage treatment drug of the mineral base flocks is powdery product, in treatment plant using not needing additional system preceding
Standby step, the product can be directly dosed into waste water treatment system by feeding apparatus, and can reduce investment outlay cost in this way.
The sewage treatment drug of the mineral base flocks presents order by the excellent retention time (5-10 minutes average)
, which means that since the residence time is short, waste water can be handled the impressive performance of people at faster speed, and treatment process will
Reaction process is completed, and continues to handle water and is formed by the separation process of sludge, since retention time becomes more now
Short, this also means that high efficiency, so the scale for the treatment of plant decreases, processing system of the invention is smaller, this is also contributed to
Save the cost.
The sewage treatment drug of the mineral base flocks, required dosage will subtract after being used multiple times in processes
Few, this is because the present invention is the principle based on ion conversion, after being used multiple times, ionic charge of the invention will adhere to
The container contacted during processing.
The application of the sewage treatment drug of the mineral base flocks can substantially reduce operating cost, protect environment, locating every time
After managing waste water, it will form a considerable amount of sludge, compared with prior art, use of the invention will not be produced to when processing terminate
Raw a large amount of sludge, handle the sludge of generation through the invention, be according to the type categorization of Industrial Wastewater Treatment output object it is nontoxic, because
For without adding additional chemicals, the present invention also makes pollutant unstable during processing, separate pollutant and clear water,
Since sludge is not considered as noxious material, do not need to carry out external treatment to sludge, and can be directly in landfill yard
Disposition, this conveys the demand of sludge, and save the cost by finally eliminating to other authorities.
The sewage treatment drug of the mineral base flocks, other than the sludge quantity of formation, processing is formed through the invention
The structure or stability of sludge also show that fabulous improvement, and sludge is more stable when they flock together, though by
To will not be dispersed when interference, the convenient processing to sludge.
The sewage treatment drug of the mineral base flocks will induce coagulation and flocculation process in wastewater treatment process, can use
It is useless in processing Living Industry waste water such as concret waste water, coating waste-water, matrix waste water, oil base waste water, construction site waste water, chromium
Water, arsenic waste water, sludge and similar products, it may also be used for the decoloration of waste water from dyestuff, printing wastewater and pigment wastewater etc..
The sewage treatment drug of the mineral base flocks can be settled using in ion transfer principle with the electronics and formation charged
After solid, simply by waste water various pollutants and pollutant be aggregating, the composition conversion destroy pollutant electricity
Lotus, some colloids are stablized in realization, and precipitating is formed in the solute of dissolution by chemical reaction, and polymerization process is related to such as suspending
The pollutant of solid, fluoride and heavy metal, wherein the composition can be more more effective than other chemicals used in wastewater treatment
Remove oil removing, grease and fluoride, existing processing coagulant needs several chemicals to handle various pollutants, this composition
Pollutant can be rapidly isolated from waste water, a kind of product, that is, simplified operation is used only, and reduce total operating cost.
Anionic polymer is added as one of described component, and anionic polymer is answered extensively in wastewater treatment industry
Flocculant, the advantages of addition anionic polymer is to improve the validity of flocculation process and to positively charged in the composition
A small amount of anionic polymer is only added in the high removal rate of lotus pollutant, the present invention, because other components have respective agglomeration
Can, so that anionic polymer is reacted with other components by ion conversion, so that flocculation process be made to greatly speed up, individually makes
It is long with the anionic polymer reaction time, however, in the composition be added anionic polymer make it have it is short and quick
Reaction.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of sewage treatment drug of mineral base flocks, which is characterized in that the raw material including following weight percent proportion: swollen
Profit soil: aluminum sulfate: ceramic powder: calcium carbonate: chitosan=30.5~59.5%: 15.5~27%: 14.25~32%: 1.75~
9.5%: 3.0~7.0%；
Bentonite, aluminum sulfate, ceramic powder, calcium carbonate, the granularity that each component indicates in chitosan are 50 μm；
Composition dispersion sequence are as follows: bentonite, ceramic powder and CaCO3 are finally aluminum sulfate, wherein bentonite, ceramic powder,
The dispersion sequence of CaCO3 is without special.
2. a kind of sewage treatment drug of mineral base flocks according to claim 1, which is characterized in that the bentonite is
Sodium bentonite.
3. a kind of sewage treatment drug of mineral base flocks according to claim 1, which is characterized in that the ceramic powder by
Magnesium silicate, Mg3Si4O10 resistant to high temperature (OH) 2 are formed.
4. a kind of sewage treatment drug of mineral base flocks according to claim 1, which is characterized in that the aluminum sulfate
Having a size of 50um.
5. a kind of sewage treatment drug of mineral base flocks according to claim 1, which is characterized in that mineral base flocks group
Conjunction object is powdery.
6. a kind of preparation method of the sewage treatment drug of mineral base flocks, which comprises the following steps:
(1) bentonite, aluminum sulfate, ceramic powder, calcium carbonate and chitosan are mixed by above-mentioned precise proportions, it is ensured that raw material
It is sufficiently mixed；
(2) mixed raw material is placed on inside agitator, product can be directly obtained by carrying out uniform stirring to raw material, operation
Condition is that production must be in arid region；
(3) packaging is sealed to the product of preparation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910210832.9A CN109942060A (en) | 2019-03-20 | 2019-03-20 | A kind of sewage treatment drug of mineral base flocks |
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| CN201910210832.9A CN109942060A (en) | 2019-03-20 | 2019-03-20 | A kind of sewage treatment drug of mineral base flocks |
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ID=67010848
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111039372A (en) * | 2019-12-23 | 2020-04-21 | 中冶京诚工程技术有限公司 | Flocculating agent for pretreatment of coking wastewater and preparation method and application thereof |
| CN111039371A (en) * | 2019-12-23 | 2020-04-21 | 中冶京诚工程技术有限公司 | Natural organic composite flocculant and preparation method and application thereof |
| CN113943054A (en) * | 2021-10-25 | 2022-01-18 | 常熟理工学院 | Method for efficiently cleaning fluorine-containing micro-plastic in water body by using spirulina |
-
2019
- 2019-03-20 CN CN201910210832.9A patent/CN109942060A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111039372A (en) * | 2019-12-23 | 2020-04-21 | 中冶京诚工程技术有限公司 | Flocculating agent for pretreatment of coking wastewater and preparation method and application thereof |
| CN111039371A (en) * | 2019-12-23 | 2020-04-21 | 中冶京诚工程技术有限公司 | Natural organic composite flocculant and preparation method and application thereof |
| CN113943054A (en) * | 2021-10-25 | 2022-01-18 | 常熟理工学院 | Method for efficiently cleaning fluorine-containing micro-plastic in water body by using spirulina |
| CN113943054B (en) * | 2021-10-25 | 2023-09-15 | 常熟理工学院 | Method for efficiently cleaning fluorine-containing microplastic in water body by using spirulina |
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Application publication date: 20190628 |