CN107935334A - A kind of sludge stabilization agent and its preparation method and application - Google Patents
A kind of sludge stabilization agent and its preparation method and application Download PDFInfo
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- CN107935334A CN107935334A CN201711264994.8A CN201711264994A CN107935334A CN 107935334 A CN107935334 A CN 107935334A CN 201711264994 A CN201711264994 A CN 201711264994A CN 107935334 A CN107935334 A CN 107935334A
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- sludge
- benzoyl peroxide
- triethylamine
- stabilization agent
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- 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
-
- 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
- C02F2101/30—Organic compounds
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of sludge stabilization agent and its preparation method and application, which includes according to the raw material of parts by weight：35 45 parts of diatomite, 7 15 parts of benzoyl peroxide, 37 parts of 2,2 dihydromethyl propionic acid, 11 19 parts of triethylamine, 28 36 parts of sepiolite.Diatomite is ground, the stirring of triethylamine solution heated sealed is added, centrifuges the obtained mixture A of washing；Sepiolite is ground, adds benzoyl peroxide solution, heated sealed stirring, addition mixture A and 2, the stirring of 2 dihydromethyl propionic acids, ultrasound, centrifuge washing, drying, calcine to obtain the final product.The present invention has the heavy metal in sludge or/and organic pollutant good stabilization effect, and stabilisation speed is fast, and dosage is small, and stabilization effect is good, reduces the Leaching of Contaminated Sewage Sludge.Raw material of the present invention is simple, preparation process is simple, will not produce secondary pollution, and easy for construction, treating capacity is big, and quick, efficient, cost is low, and product stability is good, suitable for industrialized production.
Description
Technical field
The present invention relates to technical field of sludge treatment, is specifically a kind of sludge stabilization agent and its preparation method and application.
Background technology
Industrial enterprise can produce the largely sludge containing heavy metal and organic matter, and municipal sewage treatment in process of production
The final product of factory's sewage disposal also contains plurality of heavy metal and organic matter, heavy metal in contaminated river, lake and has
Machine thing is eventually entered into deposit by long term physical chemical process and bioprocess.These contain the bottom of heavy metal and organic matter
Mud and sludge, all suffer from how carrying out the active demand of safe handling, to they carry out safely, quickly, efficient processing be
One of emphasis problem and research topic in environmental improvement at present and protection field, and the hot subject in the field at present.
Stable curing technology is a kind of more mature and cost-effective technology, but curing agent used in the technology mainly uses water
The hydraulic materials such as mud, lime, gypsum, often so that the problems such as sludge or other solid wastes produce hardening, increase-volume, is unfavorable for follow-up
Disposal and utilization.
The content of the invention
It is an object of the invention to provide a kind of sludge stabilization agent and its preparation method and application, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides following technical solution：
A kind of sludge stabilization agent, includes according to the raw material of parts by weight：35-45 parts of diatomite, 7-15 parts of benzoyl peroxide, 2,2-
3-7 parts of dihydromethyl propionic acid, 11-19 parts of triethylamine, 28-36 parts of sepiolite.
As the further scheme of the present invention：The sludge stabilization agent, includes according to the raw material of parts by weight：Diatomite 38-
42 parts, 9-13 parts of benzoyl peroxide, 4-6 parts of 2,2- dihydromethyl propionic acids, 13-17 parts of triethylamine, 30-34 parts of sepiolite.
As the further scheme of the present invention：The sludge stabilization agent, includes according to the raw material of parts by weight：Diatomite 40
Part, 11 parts of benzoyl peroxide, 5 parts of 2,2- dihydromethyl propionic acids, 15 parts of triethylamine, 32 parts of sepiolite.
A kind of preparation method of sludge stabilization agent, comprises the following steps：
1）14-15 times of deionized water of triethylamine and its quality is mixed, triethylamine solution is made；By benzoyl peroxide and its
The deionized water mixing of 18-19 times of quality, is made benzoyl peroxide solution；
2）Diatomite is ground, crosses 120-150 mesh sieves, then adds triethylamine solution, is warming up to 88-90 DEG C and at such a temperature
Stir process 1.6-1.8h is sealed, 112-115 DEG C is then heated to and continues to stir 45-50min at such a temperature, centrifuge
Mixture A is made in washing；
3）Sepiolite is ground, crosses 120-150 mesh sieves, benzoyl peroxide solution is added, inserts in reaction kettle and at 75-78 DEG C
At a temperature of seal stir process 1.3-1.4h, then add mixture A and 2,2- dihydromethyl propionic acid stir process 1-1.2h,
Then 30-40min is ultrasonically treated, centrifuges washing, then stirring is to doing at a temperature of 95-105 DEG C, then in 400-420
DEG C Muffle furnace in calcine 3-4h up to stabilizer.
As the further scheme of the present invention：Step 2）In, mixing speed 200-220r/min.
As the further scheme of the present invention：Step 3）In, ultrasonic power 400W.
As the further scheme of the present invention：Step 3）In, mixing speed 100-120r/min.
Another object of the present invention is to provide application of the stabilizer in heavy metal pollution Treatment of Sludge.
Another object of the present invention is to provide application of the stabilizer in organic pollution Treatment of Sludge.
As the further scheme of the present invention：Organic matter includes hexachloro-benzene, benzo (a) pyrene, benzo (b) fluoranthene.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is using stabilizer made from above-mentioned raw materials and preparation process to the heavy metal or/and organic pollutant in sludge
With good stabilization effect, stabilisation speed is fast, and dosage is small, and stabilization effect is good, reduces the leaching of Contaminated Sewage Sludge
Toxicity.Raw material of the present invention is simple, preparation process is simple, will not produce secondary pollution, and easy for construction, treating capacity is big, quick, high
Effect, cost is low, and product stability is good, suitable for industrialized production.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical solution in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of sludge stabilization agent, including following raw material：Diatomite 35kg, benzoyl peroxide 7kg, 2,
2- dihydromethyl propionic acids 3kg, triethylamine 11kg, sepiolite 28kg.
14 times of deionized water of triethylamine and its quality is mixed, triethylamine solution is made；By benzoyl peroxide and its
The deionized water mixing that 18 times of quality, is made benzoyl peroxide solution.Diatomite is ground, crosses 120 mesh sieves, then adds three
Ethylamine solution, be warming up to 88 DEG C and at such a temperature seal stir process 1.6h, then heat to 112 DEG C and at such a temperature after
Continuous stirring 45min, centrifuges washing and mixture A is made；Mixing speed is 200r/min.Sepiolite is ground, crosses 120 mesh
Sieve, adds benzoyl peroxide solution, inserts in reaction kettle and stir process 1.3h is sealed at a temperature of 75 DEG C, then add
Mixture A and 2,2- dihydromethyl propionic acid stir process 1h, mixing speed 100r/min, is then ultrasonically treated 30min, ultrasound
Power is 400W, centrifuges washing, then is stirred at a temperature of 95 DEG C to dry, mixing speed 100r/min, then 400
DEG C Muffle furnace in calcine 3h up to stabilizer.
Embodiment 2
In the embodiment of the present invention, a kind of sludge stabilization agent, including following raw material：Diatomite 45kg, benzoyl peroxide 15kg, 2,
2- dihydromethyl propionic acids 7kg, triethylamine 19kg, sepiolite 36kg.
15 times of deionized water of triethylamine and its quality is mixed, triethylamine solution is made；By benzoyl peroxide and its
The deionized water mixing that 19 times of quality, is made benzoyl peroxide solution.Diatomite is ground, crosses 150 mesh sieves, then adds three
Ethylamine solution, be warming up to 90 DEG C and at such a temperature seal stir process 1.8h, then heat to 115 DEG C and at such a temperature after
Continuous stirring 50min, centrifuges washing and mixture A is made；Mixing speed is 220r/min.Sepiolite is ground, crosses 150 mesh
Sieve, adds benzoyl peroxide solution, inserts in reaction kettle and stir process 1.4h is sealed at a temperature of 78 DEG C, then add
Mixture A and 2,2- dihydromethyl propionic acid stir process 1.2h, mixing speed 120r/min, is then ultrasonically treated 40min, surpasses
Acoustical power is 400W, centrifuges washing, then is stirred at a temperature of 105 DEG C to dry, mixing speed 120r/min, Ran Hou
4h is calcined in 420 DEG C of Muffle furnace up to stabilizer.
Embodiment 3
In the embodiment of the present invention, a kind of sludge stabilization agent, including following raw material：Diatomite 38kg, benzoyl peroxide 9kg, 2,
2- dihydromethyl propionic acids 4kg, triethylamine 13kg, sepiolite 30kg.
15 times of deionized water of triethylamine and its quality is mixed, triethylamine solution is made；By benzoyl peroxide and its
The deionized water mixing that 19 times of quality, is made benzoyl peroxide solution.Diatomite is ground, crosses 150 mesh sieves, then adds three
Ethylamine solution, be warming up to 90 DEG C and at such a temperature seal stir process 1.7h, then heat to 115 DEG C and at such a temperature after
Continuous stirring 50min, centrifuges washing and mixture A is made；Mixing speed is 220r/min.Sepiolite is ground, crosses 150 mesh
Sieve, adds benzoyl peroxide solution, inserts in reaction kettle and stir process 1.4h is sealed at a temperature of 78 DEG C, then add
Mixture A and 2,2- dihydromethyl propionic acid stir process 1.2h, mixing speed 120r/min, is then ultrasonically treated 35min, surpasses
Acoustical power is 400W, centrifuges washing, then is stirred at a temperature of 100 DEG C to dry, mixing speed 120r/min, Ran Hou
4h is calcined in 410 DEG C of Muffle furnace up to stabilizer.
Embodiment 4
In the embodiment of the present invention, a kind of sludge stabilization agent, including following raw material：Diatomite 42kg, benzoyl peroxide 13kg, 2,
2- dihydromethyl propionic acids 6kg, triethylamine 17kg, sepiolite 34kg.
15 times of deionized water of triethylamine and its quality is mixed, triethylamine solution is made；By benzoyl peroxide and its
The deionized water mixing that 19 times of quality, is made benzoyl peroxide solution.Diatomite is ground, crosses 150 mesh sieves, then adds three
Ethylamine solution, be warming up to 90 DEG C and at such a temperature seal stir process 1.7h, then heat to 115 DEG C and at such a temperature after
Continuous stirring 50min, centrifuges washing and mixture A is made；Mixing speed is 220r/min.Sepiolite is ground, crosses 150 mesh
Sieve, adds benzoyl peroxide solution, inserts in reaction kettle and stir process 1.4h is sealed at a temperature of 78 DEG C, then add
Mixture A and 2,2- dihydromethyl propionic acid stir process 1.2h, mixing speed 120r/min, is then ultrasonically treated 35min, surpasses
Acoustical power is 400W, centrifuges washing, then is stirred at a temperature of 100 DEG C to dry, mixing speed 120r/min, Ran Hou
4h is calcined in 410 DEG C of Muffle furnace up to stabilizer.
Embodiment 5
In the embodiment of the present invention, a kind of sludge stabilization agent, including following raw material：Diatomite 40kg, benzoyl peroxide 11kg, 2,
2- dihydromethyl propionic acids 5kg, triethylamine 15kg, sepiolite 32kg.
15 times of deionized water of triethylamine and its quality is mixed, triethylamine solution is made；By benzoyl peroxide and its
The deionized water mixing that 19 times of quality, is made benzoyl peroxide solution.Diatomite is ground, crosses 150 mesh sieves, then adds three
Ethylamine solution, be warming up to 90 DEG C and at such a temperature seal stir process 1.7h, then heat to 115 DEG C and at such a temperature after
Continuous stirring 50min, centrifuges washing and mixture A is made；Mixing speed is 220r/min.Sepiolite is ground, crosses 150 mesh
Sieve, adds benzoyl peroxide solution, inserts in reaction kettle and stir process 1.4h is sealed at a temperature of 78 DEG C, then add
Mixture A and 2,2- dihydromethyl propionic acid stir process 1.2h, mixing speed 120r/min, is then ultrasonically treated 35min, surpasses
Acoustical power is 400W, centrifuges washing, then is stirred at a temperature of 100 DEG C to dry, mixing speed 120r/min, Ran Hou
4h is calcined in 410 DEG C of Muffle furnace up to stabilizer.
Comparative example 1
In addition to triethylamine is not contained, its raw material and preparation process are consistent with embodiment 5.
Comparative example 2
Only diatomite, its preparation process are consistent with embodiment 5.
Comparative example 3
Only diatomite, triethylamine, its preparation process are consistent with embodiment 5.
Comparative example 4
Each raw material is directly mixed, adds the other materials that embodiment 5 is added, then stirring to doing, is stirred at a temperature of 100 DEG C
Speed is 120r/min, and 4h is then calcined in 410 DEG C of Muffle furnace up to stabilizer.The additive amount of each raw material and embodiment 5
Unanimously.
Embodiment 6
By organic pollution, the organic matter in the sludge is mainly hexachloro-benzene, benzo (a) pyrene, benzo (b) fluoranthene in Anhui somewhere,
Cmax is 20.65mg/kg, 10.21mg/kg and 13.08mg/kg., will be above-mentioned after determining pollution range and depth after testing
Sludge stabilization agent respectively with embodiment 1-5, comparative example 1-4 stirs evenly after sludge is dug out.After maintenance 12 days, have described in detection
The organic matter leaching concentration of machine thing Contaminated Sewage Sludge.The results are shown in Table 1.
Table 1
| Hexachloro-benzene（mg/kg） | Benzo (a) pyrene（mg/kg） | Benzo (b) fluoranthene（mg/kg） | |
| Embodiment 1 | 0.8 | Do not detect | 1.3 |
| Embodiment 2 | 0.3 | Do not detect | 0.6 |
| Embodiment 3 | Do not detect | Do not detect | Do not detect |
| Embodiment 4 | Do not detect | Do not detect | Do not detect |
| Embodiment 5 | Do not detect | Do not detect | Do not detect |
| Comparative example 1 | 8.24 | 3.86 | 4.89 |
| Comparative example 2 | 18.65 | 9.31 | 11.37 |
| Comparative example 3 | 16.58 | 8.92 | 10.58 |
| Comparative example 4 | 4.20 | 2.19 | 3.25 |
The present invention is contained using hexachloro-benzene, benzo (b) fluoranthene in sludge after stabilizer treatment made from above-mentioned raw materials and preparation process
Amount is greatly reduced, and embodiment 3-5 is not detected, and benzo (a) pyrene content does not detect, and the present invention has pole to organic pollution
For excellent deoxidization, degradation stabilization.
Embodiment 7
Exceeded heavy metal is copper, lead and zinc in the lake dredging bottom-mud of Anhui, and Cmax is respectively 1985mg/kg, 729mg/
Kg and 3258mg/kg.After determining pollution range and depth after testing, after above-mentioned sludge is dug out respectively with embodiment 1-5, contrast
The sludge stabilization agent of example 1-4 stirs evenly.Maintenance 7 days after, detect the heavy metal pollution sludge Leaching Heavy Metals and
Content.The results are shown in Table 2.
Table 2
| Copper content（mg/kg） | Lead content（mg/kg） | Zn content（mg/kg） | |
| Embodiment 1 | Do not detect | Do not detect | 15.8 |
| Embodiment 2 | Do not detect | Do not detect | 3.6 |
| Embodiment 3 | Do not detect | Do not detect | Do not detect |
| Embodiment 4 | Do not detect | Do not detect | Do not detect |
| Embodiment 5 | Do not detect | Do not detect | Do not detect |
| Comparative example 1 | 865 | 506 | 1503 |
| Comparative example 2 | 1955 | 713 | 3160 |
| Comparative example 3 | 1842 | 695 | 2985 |
| Comparative example 4 | 562 | 238 | 1063 |
The leaching concentration of Heavy Metals in Sludge after the present invention is handled using sludge stabilization agent made from above-mentioned raw materials and preparation process
Content is substantially less than comparative example 1-4, and embodiment 3-5 is more excellent not to be detected, and the present invention has heavy metal contaminants extremely excellent
Stabilization.
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 without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, 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 the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (10)
1. a kind of sludge stabilization agent, it is characterised in that include according to the raw material of parts by weight：35-45 parts of diatomite, benzoyl peroxide first
7-15 parts of acyl, 3-7 parts of 2,2- dihydromethyl propionic acids, 11-19 parts of triethylamine, 28-36 parts of sepiolite.
2. sludge stabilization agent according to claim 1, it is characterised in that include according to the raw material of parts by weight：Diatomite 38-
42 parts, 9-13 parts of benzoyl peroxide, 4-6 parts of 2,2- dihydromethyl propionic acids, 13-17 parts of triethylamine, 30-34 parts of sepiolite.
3. sludge stabilization agent according to claim 1, it is characterised in that include according to the raw material of parts by weight：Diatomite 40
Part, 11 parts of benzoyl peroxide, 5 parts of 2,2- dihydromethyl propionic acids, 15 parts of triethylamine, 32 parts of sepiolite.
4. the preparation method of a kind of sludge stabilization agent as described in claim 1-3 is any, it is characterised in that including following step
Suddenly：
1）14-15 times of deionized water of triethylamine and its quality is mixed, triethylamine solution is made；By benzoyl peroxide and its
The deionized water mixing of 18-19 times of quality, is made benzoyl peroxide solution；
2）Diatomite is ground, crosses 120-150 mesh sieves, then adds triethylamine solution, is warming up to 88-90 DEG C and at such a temperature
Stir process 1.6-1.8h is sealed, 112-115 DEG C is then heated to and continues to stir 45-50min at such a temperature, centrifuge
Mixture A is made in washing；
3）Sepiolite is ground, crosses 120-150 mesh sieves, benzoyl peroxide solution is added, inserts in reaction kettle and at 75-78 DEG C
At a temperature of seal stir process 1.3-1.4h, then add mixture A and 2,2- dihydromethyl propionic acid stir process 1-1.2h,
Then 30-40min is ultrasonically treated, centrifuges washing, then stirring is to doing at a temperature of 95-105 DEG C, then in 400-420
DEG C Muffle furnace in calcine 3-4h up to stabilizer.
5. the preparation method of sludge stabilization agent according to claim 4, it is characterised in that step 2）In, mixing speed is
200-220r/min。
6. the preparation method of sludge stabilization agent according to claim 4, it is characterised in that step 3）In, ultrasonic power is
400W。
7. the preparation method of sludge stabilization agent according to claim 4, it is characterised in that step 3）In, mixing speed is
100-120r/min。
8. application of the stabilizer as described in claim 1-3 is any in heavy metal pollution Treatment of Sludge.
9. application of the stabilizer as described in claim 1-3 is any in organic pollution Treatment of Sludge.
10. application of the stabilizer according to claim 9 in organic pollution Treatment of Sludge, it is characterised in that organic
Thing includes hexachloro-benzene, benzo (a) pyrene, benzo (b) fluoranthene.
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| CN201711264994.8A CN107935334A (en) | 2017-12-05 | 2017-12-05 | A kind of sludge stabilization agent and its preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711264994.8A CN107935334A (en) | 2017-12-05 | 2017-12-05 | A kind of sludge stabilization agent and its preparation method and application |
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| CN107935334A true CN107935334A (en) | 2018-04-20 |
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ID=61945696
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870552A (en) * | 2010-05-06 | 2010-10-27 | 同济大学 | Treatment method for stabilizing and reducing municipal sludge |
| CN103436265A (en) * | 2013-08-23 | 2013-12-11 | 付融冰 | Reductive degradable stabilizer of polluted soil, bottom mud and sludge as well as preparation method and using method of stabilizer |
| CN106883855A (en) * | 2017-04-11 | 2017-06-23 | 安徽博硕科技有限公司 | A kind of soil stabilizer and preparation method thereof |
-
2017
- 2017-12-05 CN CN201711264994.8A patent/CN107935334A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870552A (en) * | 2010-05-06 | 2010-10-27 | 同济大学 | Treatment method for stabilizing and reducing municipal sludge |
| CN103436265A (en) * | 2013-08-23 | 2013-12-11 | 付融冰 | Reductive degradable stabilizer of polluted soil, bottom mud and sludge as well as preparation method and using method of stabilizer |
| CN106883855A (en) * | 2017-04-11 | 2017-06-23 | 安徽博硕科技有限公司 | A kind of soil stabilizer and preparation method thereof |
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Application publication date: 20180420 |