CN104891778B - Sludge Dewatering Flocculant and its dewatering - Google Patents
Sludge Dewatering Flocculant and its dewatering Download PDFInfo
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- CN104891778B CN104891778B CN201510345248.6A CN201510345248A CN104891778B CN 104891778 B CN104891778 B CN 104891778B CN 201510345248 A CN201510345248 A CN 201510345248A CN 104891778 B CN104891778 B CN 104891778B
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Abstract
The present invention relates to sewage treatment area, and in particular to Sludge Dewatering Flocculant and its dewatering.Sludge Dewatering Flocculant, is made up of A agent and B agent；A agent is made up of following composition, ferrous sulfate, heavy metal chelating agent, semi-coke, pulverized limestone, ethoxylated fatty amines phosphate, lignosulfonates；B agent is made up of following composition, glycine betaine, tetren, formaldehyde, ethanol, water.The Sludge Dewatering Flocculant that the present invention is provided, using A agent and B agent collective effects, enhances the flocculating property of sludge, and heavy metal and organic matter can carry out integrated treatment, not only improves dehydrating effect, reduces poisonous and harmful substance in sludge.
Description
Technical field
The present invention relates to sewage treatment area, and in particular to Sludge Dewatering Flocculant and its dewatering.
Background technology
The sludge yield of Sewage Plant is very big, and contains substantial amounts of microorganism, pathogen, heavy metal and organic contamination
Thing, is reasonably processed, and disposing sludge is a critically important job, is concentrated mainly by sludge at present, dehydration, is reached and is subtracted
The preliminary requirement for quantifying, is then filled or burning disposal.
During minimizing, dehydration typically uses mechanical dehydration, and add dehydration flocculant, improves the effect of dehydration,
The dehydration flocculant being currently mainly used is based on inorganic substances, and such as quick lime etc. and removes removing heavy metals at dehydrating effect, organic
The aspect effect such as thing is unsatisfactory.
The content of the invention
For above-mentioned technical problem, present invention offer is a kind of can both to improve dehydration, can also remove removing heavy metals, have
The Sludge Dewatering Flocculant of the materials such as machine thing, specific technical scheme is：
Sludge Dewatering Flocculant, is made up of A agent and B agent；The A agent is made up of following raw material according to following parts by weight：
Ferrous sulfate 20-28 parts, heavy metal chelating agent 6-12 parts, semi-coke 40-45 parts, pulverized limestone 12-17 parts, ethoxylated fatty amines
Phosphate 8-14 parts and lignosulfonates 4-9 parts；
Described B agent is made up of following raw material according to following parts by weight：Glycine betaine 34-40 parts, tetren 15-
23 parts, formaldehyde 7-10 parts, ethanol 9-15 parts and water 45-60 parts.Wherein, an inventive point of the invention is：Ethanol can be replaced
Ethanol and ethylene glycol are changed to according to weight ratio 1：(0.5-2) is allocated, the product after allotment have stability higher and
Product quality.
The A agent preparation method includes, ferrous sulfate, semi-coke and ground 500 mesh sieve of pulverized limestone, then with heavy metal chelating
Agent, ethoxylated fatty amines phosphate and lignosulfonates mixing and stirring.
The B agent preparation method includes that tetren, ethanol is stirred until tetren in adding reactor
Dissolving, is heated to 45-50 DEG C, is stirred with 100-120 revs/min of speed, adds formaldehyde, reacts 1-2 hours, is cooled to room
Temperature, adds glycine betaine and water, stirs.
Using the dewatering of the Sludge Dewatering Flocculant, comprise the following steps：
(1) A agent is added, addition is 1~4 part of A agent, and 100 parts of sludge is stirred 10-15 minutes；
(2) conditioning of mud pH to 6-8；B agent is added, addition is 2~7 parts of B agent, and 100 parts of sludge is stirred 10-30 minutes；
(3) mechanism filter-pressing dehydration is carried out.
Inventive point of the invention is that the flocculant that different flocculants are prepared into mixing in the manner of the present invention, finally
The effect of product is single component or is simply mixed 3-5 times of flocculant effect, is that the present inventor obtains by long-term experiment
Method.
The Sludge Dewatering Flocculant that the present invention is provided, using A agent and B agent collective effects, enhances the flocculating property of sludge,
Heavy metal and organic matter can carry out integrated treatment, not only improve dehydrating effect, reduce poisonous and harmful substance in sludge.
Specific embodiment
In conjunction with the embodiments, specific embodiment of the invention is illustrated.
Embodiment 1
Sludge Dewatering Flocculant, is made up of A agent and B agent；The A agent is made up of following raw material according to parts by weight：Sulfuric acid
Ferrous 28 parts, 10 parts of heavy metal chelating agent, 43 parts of semi-coke, 12 parts of pulverized limestone, 12 parts of ethoxylated fatty amines phosphate is wooden
9 parts of plain sulfonate；
Described B agent is made up of following raw material according to parts by weight：35 parts of glycine betaine, 20 parts of tetren, formaldehyde 9
Part, 9 parts of ethanol, 55 parts of water.
The A agent preparation method includes, ferrous sulfate, semi-coke, ground 500 mesh sieve of pulverized limestone, then with heavy metal chelating
Agent, ethoxylated fatty amines phosphate, lignosulfonates mixing and stirring.
The B agent preparation method includes that tetren, ethanol is stirred until tetren in adding reactor
Dissolving, is heated to 45-50 DEG C, is stirred with 100-120 revs/min of speed, adds formaldehyde, reacts 1-2 hours, is cooled to room
Temperature, adds glycine betaine and water, stirs.
Using the dewatering of the Sludge Dewatering Flocculant, comprise the following steps：
(1) A agent is added, addition is 3 parts of A agent, and 100 parts of sludge is stirred 10-15 minutes；
(2) conditioning of mud pH to 6-8；B agent is added, addition is 2 parts of B agent, and 100 parts of sludge is stirred 10-30 minutes；
(3) mechanism filter-pressing dehydration is carried out.
Embodiment 2
Sludge Dewatering Flocculant, is made up of A agent and B agent；The A agent is made up of following raw material according to parts by weight：Sulfuric acid
Ferrous 20 parts, 6 parts of heavy metal chelating agent, 42 parts of semi-coke, 15 parts of pulverized limestone, 14 parts of ethoxylated fatty amines phosphate is wooden
6 parts of plain sulfonate；
The described following raw material of B agent is made according to parts by weight：37 parts of glycine betaine, 15 parts of tetren, formaldehyde 8
Part, 15 parts of ethanol, 45 parts of water.
The A agent preparation method includes, ferrous sulfate, semi-coke, ground 500 mesh sieve of pulverized limestone, then with heavy metal chelating
Agent, ethoxylated fatty amines phosphate, lignosulfonates mixing and stirring.
The B agent preparation method includes that tetren, ethanol is stirred until tetren in adding reactor
Dissolving, is heated to 45-50 DEG C, is stirred with 100-120 revs/min of speed, adds formaldehyde, reacts 1-2 hours, is cooled to room
Temperature, adds glycine betaine and water, stirs.
Using the dewatering of the Sludge Dewatering Flocculant, comprise the following steps：
(1) A agent is added, addition is 1 part of A agent, and 100 parts of sludge is stirred 10-15 minutes；
(2) conditioning of mud pH to 6-8；B agent is added, addition is 6 parts of B agent, and 100 parts of sludge is stirred 10-30 minutes；
(3) mechanism filter-pressing dehydration is carried out.
Embodiment 3
Sludge Dewatering Flocculant, is made up of A agent and B agent；The A agent is made up of following raw material according to parts by weight：Sulfuric acid
Ferrous 25 parts, 8 parts of heavy metal chelating agent, 45 parts of semi-coke, 17 parts of pulverized limestone, 10 parts of ethoxylated fatty amines phosphate is wooden
4 parts of plain sulfonate；
The described following raw material of B agent is made according to parts by weight：40 parts of glycine betaine, 23 parts of tetren, formaldehyde 10
Part, 10 parts of ethanol, 50 parts of water.
The A agent preparation method includes, ferrous sulfate, semi-coke, ground 500 mesh sieve of pulverized limestone, then with heavy metal chelating
Agent, ethoxylated fatty amines phosphate, lignosulfonates mixing and stirring.
The B agent preparation method includes that tetren, ethanol is stirred until tetren in adding reactor
Dissolving, is heated to 45-50 DEG C, is stirred with 100-120 revs/min of speed, adds formaldehyde, reacts 1-2 hours, is cooled to room
Temperature, adds glycine betaine and water, stirs.
Using the dewatering of the Sludge Dewatering Flocculant, comprise the following steps：
(1) A agent is added, addition is 4 parts of A agent, and 100 parts of sludge is stirred 10-15 minutes；
(2) conditioning of mud pH to 6-8；B agent is added, addition is 7 parts of B agent, and 100 parts of sludge is stirred 10-30 minutes；
(3) mechanism filter-pressing dehydration is carried out.
Embodiment 4
Sludge Dewatering Flocculant, is made up of A agent and B agent；The A agent is made up of following raw material according to parts by weight：Sulfuric acid
Ferrous 26 parts, 12 parts of heavy metal chelating agent, 40 parts of semi-coke, 14 parts of pulverized limestone, 8 parts of ethoxylated fatty amines phosphate is wooden
5 parts of plain sulfonate；
The described following raw material of B agent is made according to parts by weight：34 parts of glycine betaine, 18 parts of tetren, formaldehyde 7
Part, 12 parts of ethanol, 45 parts of water.
The A agent preparation method includes, ferrous sulfate, semi-coke, ground 500 mesh sieve of pulverized limestone, then with heavy metal chelating
Agent, ethoxylated fatty amines phosphate, lignosulfonates mixing and stirring.
The B agent preparation method includes that tetren, ethanol is stirred until tetren in adding reactor
Dissolving, is heated to 45-50 DEG C, is stirred with 100-120 revs/min of speed, adds formaldehyde, reacts 1-2 hours, is cooled to room
Temperature, adds glycine betaine and water, stirs.
Using the dewatering of the Sludge Dewatering Flocculant, comprise the following steps：
(1) A agent is added, addition is 2 parts of A agent, and 100 parts of sludge is stirred 10-15 minutes；
(2) conditioning of mud pH to 6-8；B agent is added, addition is 5 parts of B agent, and 100 parts of sludge is stirred 10-30 minutes；
(3) mechanism filter-pressing dehydration is carried out.
The sludge that the sludge of each embodiment treatment is produced for city sewage plant above, treating capacity is 1000 tons, is located
The result detection of reason such as table 1 below, from the results, it was seen that in terms of minimizing, with apparent effect.
Each embodiment sludge dewatering detection table of table 1
Claims (4)
1. Sludge Dewatering Flocculant, is made up of A agent and B agent；Characterized in that, the A agent by following raw material according to following weight
Number is made：Ferrous sulfate 20-28 parts, heavy metal chelating agent 6-12 parts, semi-coke 40-45 parts, pulverized limestone 12-17 parts, alkylamine
Polyoxyethylene ether phosphate 8-14 parts and lignosulfonates 4-9 parts；
Described B agent is made up of following raw material according to following parts by weight：Glycine betaine 34-40 parts, tetren 15-23
Part, formaldehyde 7-10 parts, ethanol 9-15 parts and water 45-60 parts.
2. Sludge Dewatering Flocculant according to claim 1, it is characterised in that：The A agent preparation method includes that sulfuric acid is sub-
Iron, semi-coke and ground 500 mesh sieve of pulverized limestone, then with heavy metal chelating agent, ethoxylated fatty amines phosphate and lignin
Sulfonate mixing and stirring.
3. Sludge Dewatering Flocculant according to claim 1, it is characterised in that：The B agent preparation method includes, four sub- second
The amine of base five, ethanol is stirred until tetren dissolving in adding reactor, 45-50 DEG C is heated to, with 100-120 revs/min
The speed stirring of clock, adds formaldehyde, reacts 1-2 hours, is cooled to room temperature, adds glycine betaine and water, stirs.
4. using the mud dewatering method of one of claim 1 to 3 described Sludge Dewatering Flocculant, it is characterised in that including
Following steps：
(1) A agent is added, addition is 1~4 part of A agent, and 100 parts of sludge is stirred 10-15 minutes；
(2) conditioning of mud pH to 6-8；B agent is added, addition is 2~7 parts of B agent, and 100 parts of sludge is stirred 10-30 minutes；
(3) mechanism filter-pressing dehydration is carried out.
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| CN201510345248.6A CN104891778B (en) | 2015-06-23 | 2015-06-23 | Sludge Dewatering Flocculant and its dewatering |
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| CN201510345248.6A CN104891778B (en) | 2015-06-23 | 2015-06-23 | Sludge Dewatering Flocculant and its dewatering |
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| CN104891778A CN104891778A (en) | 2015-09-09 |
| CN104891778B true CN104891778B (en) | 2017-06-23 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776485A (en) * | 2016-05-18 | 2016-07-20 | 宗永臣 | Flocculating agent for sewage treatment and preparation method thereof |
| CN106746475B (en) * | 2016-12-07 | 2020-12-04 | 杨立亮 | Composite polymer sludge dewatering flocculant and preparation method thereof |
| CN114273088B (en) * | 2021-12-31 | 2023-09-29 | 永兴特种材料科技股份有限公司 | Mud-control flotation beneficiation process |
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|---|---|---|---|---|
| US5102556A (en) * | 1990-03-30 | 1992-04-07 | Union Oil Company Of California | Method for rendering ferric hydroxide sludges recyclable |
| CN101955345A (en) * | 2010-09-29 | 2011-01-26 | 江苏艾特克环境工程设计研究院有限公司 | Neutral inorganic composite material for dehydration, solidification and modification of high water content sludge |
| CN102249514A (en) * | 2010-05-17 | 2011-11-23 | 唐菊香 | Low-energy drying treatment method for discharged sludge |
| CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005334730A (en) * | 2004-05-25 | 2005-12-08 | Katayama Chem Works Co Ltd | Composition for sludge solidification and sludge solidification method |
-
2015
- 2015-06-23 CN CN201510345248.6A patent/CN104891778B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5102556A (en) * | 1990-03-30 | 1992-04-07 | Union Oil Company Of California | Method for rendering ferric hydroxide sludges recyclable |
| CN102249514A (en) * | 2010-05-17 | 2011-11-23 | 唐菊香 | Low-energy drying treatment method for discharged sludge |
| CN101955345A (en) * | 2010-09-29 | 2011-01-26 | 江苏艾特克环境工程设计研究院有限公司 | Neutral inorganic composite material for dehydration, solidification and modification of high water content sludge |
| CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
Non-Patent Citations (1)
| Title |
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| 不同调理方案下污泥脱水性能评价指标的相关性研究;刘欢 等;《环境科学》;20111130;第32卷(第11期);第3394-3399页 * |
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