CN106630067A - Heavy metal flocculant for industrial sewage treatment, and preparation method and application thereof - Google Patents
Heavy metal flocculant for industrial sewage treatment, and preparation method and application thereof Download PDFInfo
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- CN106630067A CN106630067A CN201611256363.7A CN201611256363A CN106630067A CN 106630067 A CN106630067 A CN 106630067A CN 201611256363 A CN201611256363 A CN 201611256363A CN 106630067 A CN106630067 A CN 106630067A
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- micarex
- heavy metal
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- 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
- C02F2101/20—Heavy metals or heavy metal compounds
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a heavy metal flocculant for industrial sewage treatment, and a preparation method and application thereof. The heavy metal flocculant is composed of the following raw materials in parts by weight: 52-60 parts of bulked micalex, 6-9 parts of polylysine, 22-28 parts of citric acid, 16-22 parts of thiamine, 12-18 parts of sodium humate and 80-110 parts of water. The bulked micalex is prepared by the following steps: soaking with nitric acid, drying, carrying out ultrasonic treatment by using 3-aminopropyltrimethoxy silane, filtering, standing in air for some time, calcining, pulverizing and screening. The heavy metal flocculant disclosed by the invention is suitable for various water qualities, and is especially suitable for instantaneous precipitation of high-concentration domestic sewage, garbage leachate, back flush wastewater and chemical industry sewage with higher heavy metal content. The heavy metal flocculant can achieve up-to-standard discharge of sewage only by adding a small amount once, and thus, has important environmental, social and economic benefits.
Description
Technical field
The present invention relates to pollute processing technology field, specifically a kind of Industrial Waste Water Treatments heavy metal flocculant and its system
Preparation Method and application.
Background technology
Heavy metal wastewater thereby refer in the industrial processes such as mining and metallurgy, machine-building, chemical industry, electronics, instrument discharge containing weight
The waste water of metal.Heavy metal (such as containing cadmium, mercury, zinc) waste water is environmental pollution most serious and endangers maximum industry to the mankind
One of waste water, its water quality and quantity is relevant with production technology.Heavy metal in waste water can not typically decompose destruction, can only shift it and deposit
In position and its Material Form of transformation.Processing method can be divided into two classes：One is to change the heavy metal in dissolved state in waste water
Into insoluble heavy metal compound or element, Jing precipitations or floating are removed from waste water, can be sunk using neutralization precipitation method, sulfide
Shallow lake method, ion floatation method, electrodeposit etc.；Two is to carry out the heavy metal in waste water under conditions of its chemical form is not changed
Concentration and separation, can be using hyperfiltration, evaporation, ion-exchange etc..Equations of The Second Kind method is more superior than the first kind, because with
Two class methods process, heavy metal be with original state concentration, without any chemical agent, can direct reuse in production process.And use
First kind method, heavy metal will could be reclaimed by means of nonexpondable chemical agent through the conversion of multiple chemical form
Utilize.But Equations of The Second Kind method is limited by some in economic and technical, it is also unsuitable for processing the Industry Waste of big flow at present
Water such as mining and metallurgy waste water.
The content of the invention
It is an object of the invention to provide the Industrial Waste Water Treatments that a kind of need are added once, adding less, effect is good are used
Heavy metal flocculant and preparation method and application.
For achieving the above object, the present invention provides following technical scheme：
A kind of Industrial Waste Water Treatments heavy metal flocculant, in parts by weight, is made up of following raw material：Expanded mica
Stone 52-60 parts, poly- lazyness propylhomoserin 6-9 parts, citric acid 22-28 parts, thiamine 16-22 parts, sodium humate 12-18 parts, water 80-110
Part；The preparation process of described expanded micarex is：The concentration that micarex is placed in 4-6 times of its quality is the nitre of 25-30%
Soak after 1-2h in acid solution, rinsed well with clear water, dry acid treatment micarex；Then acid treatment micarex is placed in into 3-
In aminopropyl trimethoxysilane, temperature be 55-58 DEG C, ultrasonic power be 320-340W, ultrasonic frequency be 45-
Ultrasonically treated 10-14min is carried out under conditions of 52kHz, filter residue is filtered to obtain；Filter residue is placed in air and is placed after 16-20h, then
Calcining 2-4h is carried out at a temperature of being transferred to 1250-1320 DEG C, normal temperature is naturally cooled to, is crushed, cross 40-60 mesh sieves, obtain expanded cloud
Female stone.
As further scheme of the invention：In parts by weight, it is made up of following raw material：Expanded micarex 55-58
Part, poly- lazyness propylhomoserin 7-8 parts, citric acid 24-25 parts, thiamine 19-20 parts, sodium humate 14-16 parts, water 92-95 parts；Described
The preparation process of expanded micarex is：Micarex is placed in 5 times of concentration of its quality to soak in the salpeter solution of 27-28%
After 1-2h, rinsed well with clear water, dry acid treatment micarex；Then acid treatment micarex is placed in into 3- aminopropyl trimethoxies
In base silane, temperature be 56 DEG C, ultrasonic power be 340W, ultrasonic frequency be 48kHz under conditions of carry out it is ultrasonically treated
10-14min, filters to obtain filter residue；Filter residue is placed in air and is placed after 18h, forged at a temperature of transferring to 1280-1300 DEG C
3h is burnt, normal temperature is naturally cooled to, is crushed, cross 60 mesh sieves, obtain expanded micarex.
As further scheme of the invention：In parts by weight, it is made up of following raw material：57 parts of expanded micarex,
Poly- 8 parts of propylhomoserin of lazyness, 24 parts of citric acid, 20 parts of thiamine, 15 parts of sodium humate, 94 parts of water；The preparation of described expanded micarex
Step is：Micarex is placed in the salpeter solution that 5 times of its quality of concentration is 28% and is soaked after 1h, rinse dry with clear water
Only, dry acid treatment micarex；Then acid treatment micarex is placed in 3- aminopropyl trimethoxysilanes, is 56 in temperature
DEG C, ultrasonic power be 340W, ultrasonic frequency be 48kHz under conditions of carry out ultrasonically treated 12min, filter to obtain filter residue；Will
Filter residue is placed in air and places after 18h, and calcining 3h is carried out at a temperature of transferring to 1290 DEG C, naturally cools to normal temperature, crushes, mistake
60 mesh sieves, obtain expanded micarex.
The preparation method of described Industrial Waste Water Treatments heavy metal flocculant, comprises the following steps：
(1) raw material are weighed according to above-mentioned mass fraction, it is standby；
(2) water of expanded micarex and formula ratio half is together poured into mixer first, stirs 15-20min；
(3) then citric acid is slowly added in mixer, stirs 2-3min；
(4) and then by poly- lazy propylhomoserin and thiamine it is slowly added in mixer, stirs 4-6min；
(5) finally 8-12min is stirred by sodium humate and remaining water addition mixer, obtains described industry dirty
Water process heavy metal flocculant.
Application of the described heavy metal flocculant in terms of Industrial Waste Water Treatments medicament is prepared.
Compared with prior art, the invention has the beneficial effects as follows：The heavy metal flocculant that the present invention is provided is applied to various
Water quality, is particularly suited for the higher high strength domestic sewage of content of beary metal, percolate, backwashing wastewater and chemical engineering sewage
Instantaneous precipitation, it is only necessary to add once and adding less, it is possible to realize the qualified discharge of sewage, with important environment,
Social and economic benef@.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of Industrial Waste Water Treatments heavy metal flocculant, in parts by weight, by following original
Material composition：52 parts of expanded micarex, poly- 9 parts of propylhomoserin of lazyness, 22 parts of citric acid, 22 parts of thiamine, 12 parts of sodium humate, 110 parts of water；
The preparation of expanded micarex：Micarex is placed in the salpeter solution that 4 times of its quality of concentration is 30% and is soaked after 1h, with clearly
Water is rinsed well, dry acid treatment micarex；Then acid treatment micarex is placed in 3- aminopropyl trimethoxysilanes,
Temperature is 58 DEG C, ultrasonic power is 320W, ultrasonic frequency is to carry out ultrasonically treated 10min under conditions of 52kHz, is filtered
Filter residue；Filter residue is placed in air and is placed after 20h, calcining 4h is carried out at a temperature of transferring to 1250 DEG C, naturally cool to normal temperature,
Crush, cross 40 mesh sieves, obtain expanded micarex.
The preparation method of described Industrial Waste Water Treatments heavy metal flocculant, comprises the following steps：
(1) raw material are weighed according to above-mentioned mass fraction, it is standby；
(2) water of expanded micarex and formula ratio half is together poured into mixer first, stirs 18min；
(3) then citric acid is slowly added in mixer, stirs 3min；
(4) and then by poly- lazy propylhomoserin and thiamine it is slowly added in mixer, stirs 5min；
(5) finally 10min is stirred by sodium humate and remaining water addition mixer, obtains described trade effluent
Process heavy metal flocculant.
Embodiment 2
In the embodiment of the present invention, a kind of Industrial Waste Water Treatments heavy metal flocculant, in parts by weight, by following original
Material composition：60 parts of expanded micarex, poly- 6 parts of propylhomoserin of lazyness, 28 parts of citric acid, 16 parts of thiamine, 18 parts of sodium humate, 80 parts of water；
The preparation of expanded micarex：Micarex is placed in the salpeter solution that 6 times of its quality of concentration is 25% and is soaked after 2h, with clearly
Water is rinsed well, dry acid treatment micarex；Then acid treatment micarex is placed in 3- aminopropyl trimethoxysilanes,
Temperature is 55 DEG C, ultrasonic power is 340W, ultrasonic frequency is to carry out ultrasonically treated 14min under conditions of 45kHz, is filtered
Filter residue；Filter residue is placed in air and is placed after 16h, calcining 2h is carried out at a temperature of transferring to 1320 DEG C, naturally cool to normal temperature,
Crush, cross 60 mesh sieves, obtain expanded micarex.
The preparation method of described Industrial Waste Water Treatments heavy metal flocculant, it is same as Example 1.
Embodiment 3
In the embodiment of the present invention, a kind of Industrial Waste Water Treatments heavy metal flocculant, in parts by weight, by following original
Material composition：55 parts of expanded micarex, poly- 8 parts of propylhomoserin of lazyness, 24 parts of citric acid, 20 parts of thiamine, 14 parts of sodium humate, 95 parts of water；
The preparation of expanded micarex：Micarex is placed in the salpeter solution that 5 times of its quality of concentration is 27% and is soaked after 2h, with clearly
Water is rinsed well, dry acid treatment micarex；Then acid treatment micarex is placed in 3- aminopropyl trimethoxysilanes,
Temperature is 56 DEG C, ultrasonic power is 340W, ultrasonic frequency is to carry out ultrasonically treated 14min under conditions of 48kHz, is filtered
Filter residue；Filter residue is placed in air and is placed after 18h, calcining 3h is carried out at a temperature of transferring to 1300 DEG C, naturally cool to normal temperature,
Crush, cross 60 mesh sieves, obtain expanded micarex.
The preparation method of described Industrial Waste Water Treatments heavy metal flocculant, it is same as Example 1.
Embodiment 4
In the embodiment of the present invention, a kind of Industrial Waste Water Treatments heavy metal flocculant, in parts by weight, by following original
Material composition：58 parts of expanded micarex, poly- 7 parts of propylhomoserin of lazyness, 25 parts of citric acid, 19 parts of thiamine, 16 parts of sodium humate, 92 parts of water；
The preparation of expanded micarex：Micarex is placed in the salpeter solution that 5 times of its quality of concentration is 28% and is soaked after 1h, with clearly
Water is rinsed well, dry acid treatment micarex；Then acid treatment micarex is placed in 3- aminopropyl trimethoxysilanes,
Temperature is 56 DEG C, ultrasonic power is 340W, ultrasonic frequency is to carry out ultrasonically treated 14min under conditions of 48kHz, is filtered
Filter residue；Filter residue is placed in air and is placed after 18h, calcining 3h is carried out at a temperature of transferring to 1280 DEG C, naturally cool to normal temperature,
Crush, cross 60 mesh sieves, obtain expanded micarex.
The preparation method of described Industrial Waste Water Treatments heavy metal flocculant, it is same as Example 1.
Embodiment 5
In the embodiment of the present invention, a kind of Industrial Waste Water Treatments heavy metal flocculant, in parts by weight, by following original
Material composition：57 parts of expanded micarex, poly- 8 parts of propylhomoserin of lazyness, 24 parts of citric acid, 20 parts of thiamine, 15 parts of sodium humate, 94 parts of water；
The preparation of expanded micarex：Micarex is placed in the salpeter solution that 5 times of its quality of concentration is 28% and is soaked after 1h, with clearly
Water is rinsed well, dry acid treatment micarex；Then acid treatment micarex is placed in 3- aminopropyl trimethoxysilanes,
Temperature is 56 DEG C, ultrasonic power is 340W, ultrasonic frequency is to carry out ultrasonically treated 12min under conditions of 48kHz, is filtered
Filter residue；Filter residue is placed in air and is placed after 18h, calcining 3h is carried out at a temperature of transferring to 1290 DEG C, naturally cool to normal temperature,
Crush, cross 60 mesh sieves, obtain expanded micarex.
The preparation method of described Industrial Waste Water Treatments heavy metal flocculant, it is same as Example 1.
Comparative example 1
On the basis of embodiment 5, expanded micarex is replaced with micarex, remaining is identical with embodiment 5.
Comparative example 2
On the basis of embodiment 5, thiamine this component is deleted, remaining is identical with embodiment 5.
Comparative example 3
On the basis of embodiment 5, expanded micarex is replaced with micarex, and deletes thiamine this component, remaining with
Embodiment 5 is identical.
With the industrial wastewater of moderate heavy metal pollution, slight heavy metal pollution two kinds of waste water of industrial wastewater as object, its
The content of the Mercury in Industrial Waste Water of moderate heavy metal pollution is 9.1mg/L, and the content of cadmium is 28.0mg/L, and the content of zinc is
114mg/L；The content of the Mercury in Industrial Waste Water of slight heavy metal pollution is 0.6mg/L, the content of cadmium is 3.9mg/L, and zinc contains
Measure as 15mg/L.Using Industrial Waste Water Treatments heavy metal flocculant obtained in above-described embodiment 1-5 and comparative example 1-3 to it
Processed, the addition of each heavy metal flocculant for wastewater flow rate one thousandth, it is added, mix, stand, settling everywhere
Water outlet after reason, after testing, the content of heavy metal is as shown in table 1 in each water outlet.
The content value of heavy metal in water outlet after the process of each example of table 1
As can be seen from Table 1：Jing waste water of the Industrial Waste Water Treatments obtained in embodiment 1-5 after heavy metal flocculant process
Content of beary metal is greatly reduced in water outlet, it is possible to achieve the qualified discharge of sewage；Especially embodiment 5 is right with comparative example 1-3
Than understanding, heavy metal flocculant of the present invention is by expanded micarex, thiamine and other components collective effect, just with such
Significant heavy metal flocculating effect.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity those skilled in the art should
Using specification as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. a kind of Industrial Waste Water Treatments heavy metal flocculant, it is characterised in that in parts by weight, by following raw material group
Into：Expanded micarex 52-60 parts, poly- lazyness propylhomoserin 6-9 parts, citric acid 22-28 parts, thiamine 16-22 parts, sodium humate 12-18
Part, water 80-110 parts；The preparation process of described expanded micarex is：The concentration that micarex is placed in 4-6 times of its quality is
Soak after 1-2h in the salpeter solution of 25-30%, rinsed well with clear water, dry acid treatment micarex；Then by acid treatment cloud
Female stone is placed in 3- aminopropyl trimethoxysilanes, temperature be 55-58 DEG C, ultrasonic power be 320-340W, ultrasonic wave frequency
Rate is to carry out ultrasonically treated 10-14min under conditions of 45-52kHz, filters to obtain filter residue；Filter residue is placed in air and places 16-
After 20h, calcining 2-4h is carried out at a temperature of transferring to 1250-1320 DEG C, naturally cools to normal temperature, crushed, cross 40-60 mesh sieves,
Obtain expanded micarex.
2. Industrial Waste Water Treatments heavy metal flocculant according to claim 1, it is characterised in that according to parts by weight
Meter, is made up of following raw material：Expanded micarex 55-58 parts, poly- lazyness propylhomoserin 7-8 parts, citric acid 24-25 parts, thiamine 19-20
Part, sodium humate 14-16 parts, water 92-95 parts；The preparation process of described expanded micarex is：Micarex is placed in into its quality
5 times of concentration to soak after 1-2h in the salpeter solution of 27-28%, rinsed well with clear water, dry acid treatment micarex；
Then acid treatment micarex is placed in 3- aminopropyl trimethoxysilanes, temperature be 56 DEG C, ultrasonic power be 340W, super
Frequency of sound wave is to carry out ultrasonically treated 10-14min under conditions of 48kHz, filters to obtain filter residue；Filter residue is placed in air and is placed
After 18h, calcining 3h is carried out at a temperature of transferring to 1280-1300 DEG C, naturally cool to normal temperature, crushed, cross 60 mesh sieves, obtain expanded
Micarex.
3. Industrial Waste Water Treatments heavy metal flocculant according to claim 2, it is characterised in that according to parts by weight
Meter, is made up of following raw material：57 parts of expanded micarex, poly- 8 parts of propylhomoserin of lazyness, 24 parts of citric acid, 20 parts of thiamine, sodium humate 15
Part, 94 parts of water；The preparation process of described expanded micarex is：The concentration that micarex is placed in 5 times of its quality is 28% nitre
Soak after 1h in acid solution, rinsed well with clear water, dry acid treatment micarex；Then acid treatment micarex is placed in into 3- ammonia
In propyl trimethoxy silicane, temperature be 56 DEG C, ultrasonic power be 340W, ultrasonic frequency be 48kHz under conditions of enter
The ultrasonically treated 12min of row, filters to obtain filter residue；Filter residue is placed in air and is placed after 18h, carried out at a temperature of transferring to 1290 DEG C
Calcining 3h, naturally cools to normal temperature, crushes, and crosses 60 mesh sieves, obtains expanded micarex.
4., according to the preparation method of the arbitrary described Industrial Waste Water Treatments heavy metal flocculant of claim 1-3, its feature exists
In comprising the following steps：
（1）Raw material are weighed according to above-mentioned mass fraction, it is standby；
（2）The water of expanded micarex and formula ratio half is together poured into mixer first, stirs 15-20min；
（3）Then citric acid is slowly added in mixer, stirs 2-3min；
（4）Then poly- lazy propylhomoserin and thiamine are slowly added in mixer, stir 4-6min；
（5）Finally sodium humate and remaining water are added in mixer, 8-12min is stirred, is obtained at described trade effluent
Reason heavy metal flocculant.
5. application of the heavy metal flocculant as described in claim 1-3 is arbitrary in terms of Industrial Waste Water Treatments medicament is prepared.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611256363.7A CN106630067A (en) | 2016-12-30 | 2016-12-30 | Heavy metal flocculant for industrial sewage treatment, and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611256363.7A CN106630067A (en) | 2016-12-30 | 2016-12-30 | Heavy metal flocculant for industrial sewage treatment, and preparation method and application thereof |
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ID=58837309
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113087220A (en) * | 2021-04-27 | 2021-07-09 | 同济大学 | Method for separating macromolecular organic pollutants in percolate concentrated solution by combined flocculation |
-
2016
- 2016-12-30 CN CN201611256363.7A patent/CN106630067A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113087220A (en) * | 2021-04-27 | 2021-07-09 | 同济大学 | Method for separating macromolecular organic pollutants in percolate concentrated solution by combined flocculation |
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