CN108409103A - A kind of municipal sewage sludge and the deeply dehydrating sludge agent of trade effluent factory - Google Patents
A kind of municipal sewage sludge and the deeply dehydrating sludge agent of trade effluent factory Download PDFInfo
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- CN108409103A CN108409103A CN201810341756.0A CN201810341756A CN108409103A CN 108409103 A CN108409103 A CN 108409103A CN 201810341756 A CN201810341756 A CN 201810341756A CN 108409103 A CN108409103 A CN 108409103A
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- parts
- sludge
- carbonate
- calcium
- municipal sewage
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Classifications
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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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
Abstract
The invention discloses a kind of municipal sewage sludge and the deeply dehydrating sludge agent of trade effluent factory, the deep dehydration agent includes following raw material：15~40 parts of aluminium salt class, 10~30 parts of calcium sulfate, 1~5 part of sodium carbonate, 1~5 part of silicates, 30~60 parts of magnesium salts, 1~5 part of calcium chloride, 1~5 part of clay mineral, 5~10 parts of carbonate, 1~5 part of basic anhydride, 5~15 parts of ferrous sulfate, adding medicament makes electrostatic attraction attract, Van der Waals force attracts, the effects that ion exchange and chemical precipitation, is carried out at the same time, by the cadmium in sludge, chromium, arsenic, the heavy metal contaminants such as mercury, solidification, passivation is in sludge, reduce its biological effectiveness and the migration in sludge, there is no secondary pollution, cut off strand（Surface-bonded water）Water outlet, improves the physicochemical property of dewatered sludge, makes it have good seepage of water and dehydration property, is conducive to the stabilization of landfill yard, and sterilizing inhibits corruption that the index of sludge is made to be improved.
Description
Technical field
The present invention relates to dehydrating agent technical field more particularly to a kind of municipal sewage sludge and trade effluent factory sludge are deep
Spend dehydrating agent.
Background technology
Municipal sewage plant generally uses high polymer coagulant at present（Such as PAM）Conditioning, mainly by Electrostatic Absorption,
A variety of action modes such as charge neutrality is de- steady, build bridge, net is caught by tiny loose sludge particles agglomerate at intensive bulky grain, then
It settles down, then is dehydrated by supercentrifuge or belt filter press under gravity, be only capable of obtaining moisture content 80% or so
Mud cake, it is difficult to reach《Urban sewage treatment plant sludge disposes blended landfill shale》（GB/T23485-2009）It is used in standard
In the index request of blended landfill（Moisture percentage in sewage sludge≤60%）, therefore, we have proposed a kind of municipal sewage sludge and industry
Sewage plant sludge deep dehydration agent is for solving the above problems.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of municipal sewage sludge proposed
And trade effluent factory deeply dehydrating sludge agent.
A kind of municipal sewage sludge and the deeply dehydrating sludge agent of trade effluent factory, which is characterized in that including following weight
The raw material of part：15~40 parts of aluminium salt class, 10~30 parts of calcium sulfate, 1~5 part of sodium carbonate, 1~5 part of silicates, magnesium salts 30~60
Part, 1~5 part of calcium chloride, 1~5 part of clay mineral, 5~10 parts of carbonate, 1~5 part of basic anhydride, ferrous sulfate 5~15
Part.
Preferably, the deeply dehydrating sludge agent includes the raw material of following parts by weight：The deeply dehydrating sludge agent includes
The raw material of following parts by weight：40 parts of aluminium salt class, 30 parts of calcium sulfate, 5 parts of sodium carbonate, 5 parts of silicates, 60 parts of magnesium salts, calcium chloride 5
Part, 5 parts of clay mineral, 10 parts of carbonate, 5 parts of basic anhydride, 15 parts of ferrous sulfate.
Preferably, ingredient contained in the aluminium salt class is the mixture of alchlor and alumina silicate, wherein alchlor
Mixed proportion with alumina silicate is 2:1, take 26.66 parts of alchlor, 13.44 parts of alumina silicate.
Preferably, ingredient is the mixture of calcium silicates and sodium metasilicate, mixed proportion 1 in the silicate:1,
Take calcium silicates and each 2.5 parts of sodium metasilicate.
Preferably, the clay mineral is made of silica, alundum (Al2O3) and water, wherein silica, three oxygen
The mass ratio for changing two aluminium and water is 1:1:2, take .25 parts of silica 1,1.25 parts of alundum (Al2O3), 2.5 parts of water.
Preferably, the carbonate is by calcium carbonate and sodium carbonate, potassium carbonate, and one kind in magnesium carbonate mixes,
The mixed proportion of wherein calcium carbonate and another raw material is 1:1, take 5 parts of calcium carbonate, 5 parts of another raw material.
Preferably, the basic anhydride ingredient is the mixture of sodium oxide molybdena, calcium oxide, mixed proportion 1:1,
Take sodium oxide molybdena and each 7.5 parts of calcium oxide.
The beneficial effects of the invention are as follows：
1, by adding the effects that medicament can make electrostatic attraction attraction, Van der Waals force attraction, ion exchange and chemical precipitation simultaneously
It carries out, the heavy metal contaminants such as cadmium, chromium, arsenic, mercury in sludge, solidification can be passivated in sludge, reduce its biologically effective
Property and the migration in sludge.There is no secondary pollution, fundamentally solves Heavy Metals in Sludge element.It is solidificated in sludge
Heavy metal is difficult to be precipitated again, and Heavy Metals are significantly changed, and exchangeable species content reduces, and invades out concentration less than monitoring
Standard.
2, by cutting off strand（Surface-bonded water）Water outlet, improves quality, viscosity, humidity, the density of dewatered sludge, empty
The physicochemical properties such as gap rate make materialization and biochemical sludge have good seepage of water and dehydration property.
3, the stabilization that the sludge object characteristic after chemicals treatment is conducive to landfill yard is added, therefore treated Sludge landfill
Without a doubt to household garbage field.
4, inhibit corruption by sterilizing, bacterium, virus in killing sludge, parasitic ovum make the Hygienic Index of sludge
Improved well.
Specific implementation mode
The present invention is made further to explain with reference to specific embodiment.
Embodiment one
A kind of municipal sewage sludge and the deeply dehydrating sludge agent of trade effluent factory, include the raw material of following parts by weight：Aluminium salt class
15 parts, 10 parts of calcium sulfate, 1 part of sodium carbonate, 1 part of silicates, 30 parts of magnesium salts, 1 part of calcium chloride, 1 part of clay mineral, calcium carbonate with
10 parts of the mixture of magnesium carbonate, 5 parts of basic anhydride, 5 parts of ferrous sulfate.
Alchlor takes 10 parts wherein in aluminium salt, and alumina silicate takes 5 parts；0.5 part of calcium silicates in silicate, 0.5 part of sodium metasilicate；
0.25 part of silica in clay mineral, 0.25 part of alundum (Al2O3), 0.5 part of water；5 parts of calcium carbonate in carbonate, magnesium carbonate 5
Part；2.5 parts of sodium oxide molybdena in basic anhydride, 2.5 parts of calcium oxide.
Embodiment two
A kind of municipal sewage sludge and the deeply dehydrating sludge agent of trade effluent factory, include the raw material of following parts by weight：Aluminium salt class
30 parts, 20 parts of calcium sulfate, 3 parts of sodium carbonate, 3 parts of silicates, 40 parts of magnesium salts, 3 parts of calcium chloride, 3 parts of clay mineral, sodium carbonate with
10 parts of the mixture of potassium carbonate, 3 parts of basic anhydride, 10 parts of ferrous sulfate.
Alchlor takes 20 parts wherein in aluminium salt, and alumina silicate takes 10 parts；1.5 parts of calcium silicates in silicate, sodium metasilicate 1.5
Part；0.75 part of silica in clay mineral, 0.75 part of alundum (Al2O3), 1.5 parts of water；5 parts of calcium carbonate, potassium carbonate in carbonate
5 parts；1.5 parts of sodium oxide molybdena in basic anhydride, 1.5 parts of calcium oxide.
Embodiment three
A kind of municipal sewage sludge and the deeply dehydrating sludge agent of trade effluent factory, include the raw material of following parts by weight：Aluminium salt class
40 parts, 30 parts of calcium sulfate, 5 parts of sodium carbonate, 5 parts of silicates, 60 parts of magnesium salts, 5 parts of calcium chloride, 5 parts of clay mineral, calcium carbonate with
10 parts of the mixture of sodium carbonate, 5 parts of basic anhydride, 15 parts of ferrous sulfate.
Alchlor takes 26.66 parts wherein in aluminium salt, and alumina silicate takes 13.44 parts；2.5 parts of calcium silicates, silicic acid in silicate
2.5 parts of sodium；Silica 1 .25 parts in clay mineral, 1.25 parts of alundum (Al2O3), 2.5 parts of water；5 parts of calcium carbonate in carbonate,
5 parts of sodium carbonate；7.5 parts of sodium oxide molybdena in basic anhydride, 7.5 parts of calcium oxide.
Performance detection is carried out to primary sludge to deep dehydration agent made of embodiment one, embodiment two, embodiment three, it is first
First each raw material and municipal wastewater treatment plant or the primary sludge of trade effluent factory are weighed according to proportion（The moisture content of primary sludge is
80%）；Secondly raw material is sequentially added in mixing tool, and stirring makes it be sufficiently mixed uniformly, obtains deep dehydration agent；Then
Primary sludge is put into blender, and is added deep dehydration agent to blender according to 6% ratio of primary sludge weight
It is interior；Then blender is started, stirs stand after ten minutes at normal temperatures；What the primary sludge finally allowed after standing was divulged information in room temperature
In the case of hang 7 days, the moisture content result data for obtaining sludge is as shown in the table：
| Embodiment one | Embodiment two | Embodiment three | |
| Moisture content | 40% | 35.6% | 32.7% |
It can be learnt by the result of upper table：By embodiment one, deep dehydration agent made from embodiment two and embodiment three can have
Effect municipal wastewater treatment plant and trade effluent factory sludge are carried out dehydrating, and deep dehydration agent made from embodiment three with
Embodiment one and embodiment two are made deep dehydration agent to compare effect more preferable, so deep dehydration agent made from embodiment three is this
The most preferred embodiment of invention.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of municipal sewage sludge and the deeply dehydrating sludge agent of trade effluent factory, which is characterized in that including following parts by weight
Raw material：15~40 parts of aluminium salt class, 10~30 parts of calcium sulfate, 1~5 part of sodium carbonate, 1~5 part of silicates, magnesium salts 30~60
Part, 1~5 part of calcium chloride, 1~5 part of clay mineral, 5~10 parts of carbonate, 1~5 part of basic anhydride, ferrous sulfate 5~15
Part.
2. a kind of municipal sewage sludge according to claim 1 and the deeply dehydrating sludge agent of trade effluent factory, feature
It is, the deeply dehydrating sludge agent includes the raw material of following parts by weight：40 parts of aluminium salt class, 30 parts of calcium sulfate, 5 parts of sodium carbonate,
5 parts of silicates, 60 parts of magnesium salts, 5 parts of calcium chloride, 5 parts of clay mineral, 10 parts of carbonate, 5 parts of basic anhydride, sulfuric acid are sub-
15 parts of iron.
3. a kind of municipal sewage sludge according to claim 1 or 2 and the deeply dehydrating sludge agent of trade effluent factory, special
Sign is that ingredient contained in the aluminium salt class is the mixture of alchlor and alumina silicate, wherein alchlor and alumina silicate
Mixed proportion be 2:1, take 26.66 parts of alchlor, 13.44 parts of alumina silicate.
4. a kind of municipal sewage sludge according to claim 1 and the deeply dehydrating sludge agent of trade effluent factory, feature
It is, ingredient is the mixture of calcium silicates and sodium metasilicate, mixed proportion 1 in the silicate:1, take calcium silicates and
Each 2.5 parts of sodium metasilicate.
5. a kind of municipal sewage sludge according to claim 1 and the deeply dehydrating sludge agent of trade effluent factory, feature
It is, the clay mineral is made of silica, alundum (Al2O3) and water, wherein silica, alundum (Al2O3) and water
Mass ratio be 1:1:2, take .25 parts of silica 1,1.25 parts of alundum (Al2O3), 2.5 parts of water.
6. a kind of municipal sewage sludge according to claim 1 and the deeply dehydrating sludge agent of trade effluent factory, feature
It is, the carbonate is by calcium carbonate and sodium carbonate, potassium carbonate, and one kind in magnesium carbonate mixes, wherein calcium carbonate
Mixed proportion with another raw material is 1:1, take 5 parts of calcium carbonate, 5 parts of another raw material.
7. a kind of municipal sewage sludge according to claim 1 and the deeply dehydrating sludge agent of trade effluent factory, feature
It is, the basic anhydride ingredient is the mixture of sodium oxide molybdena, calcium oxide, mixed proportion 1:1, take sodium oxide molybdena and
Each 7.5 parts of calcium oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341756.0A CN108409103A (en) | 2018-04-17 | 2018-04-17 | A kind of municipal sewage sludge and the deeply dehydrating sludge agent of trade effluent factory |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341756.0A CN108409103A (en) | 2018-04-17 | 2018-04-17 | A kind of municipal sewage sludge and the deeply dehydrating sludge agent of trade effluent factory |
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| CN108409103A true CN108409103A (en) | 2018-08-17 |
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| CN201810341756.0A Pending CN108409103A (en) | 2018-04-17 | 2018-04-17 | A kind of municipal sewage sludge and the deeply dehydrating sludge agent of trade effluent factory |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092569A (en) * | 2019-04-15 | 2019-08-06 | 华南理工大学 | A kind of mud dewatering method |
| CN112409105A (en) * | 2020-12-03 | 2021-02-26 | 郑州大学 | Soil conditioner for mining and metallurgy sludge-based forests and preparation method thereof |
| CN113526839A (en) * | 2020-04-22 | 2021-10-22 | 深圳市深水生态环境技术有限公司 | Novel high-dry sludge dewatering agent and application method thereof |
| CN114230136A (en) * | 2021-11-03 | 2022-03-25 | 山东尚科环境工程有限公司 | Blending modifier for municipal sludge drying treatment and preparation method thereof |
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| JP2007160193A (en) * | 2005-12-13 | 2007-06-28 | Tatsutoshi Komatsu | Rapid dewatering solidification agent for treatment of concentrated sludge having high water content |
| CN101062824A (en) * | 2007-04-17 | 2007-10-31 | 同济大学 | Sludge gelling curing agent and application thereof |
| CN101234838A (en) * | 2007-02-02 | 2008-08-06 | 山东寿龙环保工程科技有限公司 | Petroleum well drilling waste slurry harmless environmental protection curing agent and producing method thereof |
| CN102408179A (en) * | 2011-07-25 | 2012-04-11 | 江苏东方生态清淤工程有限公司 | Dewatered sludge solidifying agent |
| CN104193135A (en) * | 2014-09-18 | 2014-12-10 | 山东大学 | Deep dewatering method for sludge |
| CN105776784A (en) * | 2016-04-19 | 2016-07-20 | 陈孝很 | Inorganic curing agent and application thereof |
| CN106746394A (en) * | 2016-11-29 | 2017-05-31 | 北京联众华禹环保科技有限公司 | A kind of innoxious curing process agent of waste drilling mud and its application method |
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2018
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007160193A (en) * | 2005-12-13 | 2007-06-28 | Tatsutoshi Komatsu | Rapid dewatering solidification agent for treatment of concentrated sludge having high water content |
| CN101234838A (en) * | 2007-02-02 | 2008-08-06 | 山东寿龙环保工程科技有限公司 | Petroleum well drilling waste slurry harmless environmental protection curing agent and producing method thereof |
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| CN102408179A (en) * | 2011-07-25 | 2012-04-11 | 江苏东方生态清淤工程有限公司 | Dewatered sludge solidifying agent |
| CN104193135A (en) * | 2014-09-18 | 2014-12-10 | 山东大学 | Deep dewatering method for sludge |
| CN105776784A (en) * | 2016-04-19 | 2016-07-20 | 陈孝很 | Inorganic curing agent and application thereof |
| CN106746394A (en) * | 2016-11-29 | 2017-05-31 | 北京联众华禹环保科技有限公司 | A kind of innoxious curing process agent of waste drilling mud and its application method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092569A (en) * | 2019-04-15 | 2019-08-06 | 华南理工大学 | A kind of mud dewatering method |
| CN113526839A (en) * | 2020-04-22 | 2021-10-22 | 深圳市深水生态环境技术有限公司 | Novel high-dry sludge dewatering agent and application method thereof |
| CN112409105A (en) * | 2020-12-03 | 2021-02-26 | 郑州大学 | Soil conditioner for mining and metallurgy sludge-based forests and preparation method thereof |
| CN114230136A (en) * | 2021-11-03 | 2022-03-25 | 山东尚科环境工程有限公司 | Blending modifier for municipal sludge drying treatment and preparation method thereof |
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Application publication date: 20180817 |