CN104803428B - Preparation method for coking wastewater treating agent - Google Patents
Preparation method for coking wastewater treating agent Download PDFInfo
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- CN104803428B CN104803428B CN201510247652.XA CN201510247652A CN104803428B CN 104803428 B CN104803428 B CN 104803428B CN 201510247652 A CN201510247652 A CN 201510247652A CN 104803428 B CN104803428 B CN 104803428B
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Abstract
The invention discloses a preparation method for a coking wastewater treating agent. The preparation method comprises the following steps: adding concentrated sulfuric acid and sodium silicate into water to uniformly mix in a stirring process, continuously adding calcium oxide, sodium ferrate, polyaluminum chloride and polyferric sulfate to continuously stir, and cooling to obtain pre-prepared materials; putting the pre-prepared materials into a reaction kettle, rising the temperature of the reaction kettle to stir, adding anionic polyacrylamide,an aluminum salt and a ferric salt to stir, and continuously rising the temperature until reacting completely; sequentially adding xanthan gum, sodium alginate, gelatin, modified starch, modified fibers, lignin and gum into the obtained materails to uniformly stir at a normal temperature, and rising the temperature to continuously stir; sequentially adding polyaluminum silicate chloride and boric acid into the obtained materials to stir, rising the temperature, adding potassium permanganate and isooctane to stir, and cooling to the room temperature to obtain the coking wastewater treating agent. The preparation method disclosed by the invention is simple, the effect of treating the coking wastewater by the coking wastewater treating agent is good, and emission standards can be reached without secondary pollution.
Description
Technical field
A kind of the present invention relates to sewage-treating agent technical field, more particularly to preparation method of coking sewage treating agent.
Background technology
With the continuous improvement of people's living standard, environmental protection has become people's question of common concern, industrial wastewater
Particularly it is important pollution sources for causing environmental pollution to the discharge of coking water, and country also takes compulsive measures,
To not meeting the coking producer of discharge standard, the compulsory measure such as pass taken, stopped, turned, being thus badly in need of a kind of effective coking
Water treatment agent.At present for municipal sewage is particularly coke-oven plant's sewage water treatment method of Cities with Coal Mines, the protochloride for generally adopting
Iron or aluminum sulfate liquid are processed, and treatment effect is poor, some leading indicators, such as chemical oxygen consumption (COC)（COD）, suspension（SS）
Removal rate it is relatively low, be extremely difficult to specify discharge standard, the consumption of these inorganic agents is generally larger in addition, easily produces more
Reluctant residue, easily causes secondary pollution.
The content of the invention
The present invention proposes a kind of preparation method of coking sewage treating agent, and method is simple, and sewage-treating agent processes coking
Sewage effect is good, can reach discharge standard and will not cause secondary pollution.
A kind of preparation method of coking sewage treating agent proposed by the present invention, comprises the steps：
S1,30-50 part water is weighed by weight, add 2-4 part concentrated sulfuric acids, the mixing of 1-4 parts sodium metasilicate equal in whipping process
It is even, continuously add 20-40 part calcium oxide, 10-15 part Na2Fe04s, 2-8 part aluminium polychlorides, 10-13 part bodied ferric sulfates and enter
Row stirring, mixing time is 50-60min, is warming up to 60-65 DEG C and continues stirring 1-3h, and cooling obtains prefabricated material；
Be put in reactor in S2, the prefabricated material for obtaining S1, temperature of reaction kettle is raised to 40-50 DEG C of stirring 20-40min
Afterwards, 1.5-1.9 part PAMAs, 0.1-0.2 part aluminium salts, 0.1-0.2 part molysite stirring reactions 10-15min is added,
Continue liter high-temperature complete to fully reaction to 55-60 DEG C；
1-2 part xanthans, 1-2 part algins, 0.3-0.7 part gelatin, 1- is sequentially added in S3, the material obtained to S2
1.5 parts of modified starches, 1-1.5 part modified fibres, 0.6-1 part lignin, 0.6-1 parts natural gum stirring at normal temperature are uniform, by temperature liter
Up to 40-50 DEG C is continued stirring 20-40min；
Sequentially add 1-4 part polysilicate aluminum chlorides, 1-3 part boric acid persistently to stir at 30-45 DEG C in S4, the material obtained to S3
3-5h, is warming up to 60-85 DEG C, adds 1-1.5 part potassium permanganate, 1-2 parts isooctane stirring 3-5h, is cooled to room temperature and obtains coking
Sewage-treating agent.
Preferably, in S1,40-45 part water is weighed by weight, add 2.5-3 part concentrated sulfuric acids, 2-3 parts in whipping process
Sodium metasilicate is well mixed, and continuously adds 30-35 part calcium oxide, 12-14 part Na2Fe04s, 3-5 part aluminium polychlorides, 11-12 parts
Bodied ferric sulfate is stirred, and mixing time is 55-58min, is warming up to 62-64 DEG C and continues stirring 1.5-2.5h, and cooling is obtained
Prefabricated material.
Preferably, in S1,42 parts of water are weighed by weight, add 2.8 parts of concentrated sulfuric acids, 2.5 parts of silicic acid in whipping process
Sodium is well mixed, and continuously adding 32 parts of calcium oxide, 13 parts of Na2Fe04s, 4 parts of aluminium polychlorides, 11.5 parts of bodied ferric sulfates is carried out
Stirring, mixing time is 56min, is warming up to 63 DEG C and continues stirring 2h, and cooling obtains prefabricated material.
Preferably, in S2, be put in reactor in the prefabricated material that S1 is obtained, temperature of reaction kettle is raised to 45-48 DEG C
After stirring 30-36min, 1.6-1.8 part PAMAs, 0.14-0.18 part aluminium salts, 0.15-0.19 part molysite is added
Stirring reaction 12-14min, continues liter high-temperature complete to fully reaction to 56-58 DEG C.
Preferably, in S2, it is put in reactor in the prefabricated material that S1 is obtained, raises temperature of reaction kettle and stir to 46 DEG C
After 35min, 1.7 parts of PAMAs, 0.16 part of aluminium salt, 0.18 part of molysite stirring reaction 13min are added, continue to raise
Temperature is complete to fully reaction to 57 DEG C.
Preferably, in S3,1.2-1.5 part xanthans, 1.5-1.8 part brown algas in the material obtained to S2, are sequentially added
Glue, 0.4-0.6 part gelatin, 1.2-1.4 part modified starches, 1.1-1.3 part modified fibres, 0.6-0.8 part lignin, 0.8-0.96
The gummy stirring at normal temperature of part is uniform, temperature is increased to 42-46 DEG C and continues stirring 30-35min.
Preferably, in S3, sequentially add in the material obtained to S2 1.3 parts of xanthans, 1.6 parts of algins, 0.5 part it is bright
Glue, 1.35 parts of modified starches, 1.25 parts of modified fibres, 0.75 part of lignin, 0.95 part of gummy stirring at normal temperature are uniform, by temperature liter
Up to 45 DEG C are continued stirring 32min.
Preferably, in S4,2-3 part polysilicate aluminum chlorides, 2-2.5 part boric acid is sequentially added in the material obtained to S3 and is existed
40-42 DEG C is persistently stirred 4-4.5h, is warming up to 70-76 DEG C, adds 1.2-1.4 part potassium permanganate, 1.52-1.8 part isooctane to stir
4-5h is mixed, room temperature is cooled to and is obtained coking sewage treating agent.
Preferably, in S4,2.5 parts of polysilicate aluminum chlorides, 2.3 parts of boric acid are sequentially added in the material obtained to S3 at 41 DEG C
4.5h is persistently stirred, 73 DEG C are warming up to, is added 1.3 parts of potassium permanganate, 1.7 parts of isooctane to stir 4.5h, is cooled to room temperature and obtains
Coking sewage treating agent.
This coking sewage treating agent composition of the present invention is simple, and it is easy to prepare, good for processing coked waste water effect, not only may be used
To reach emission request, it is possible to by sewage disposal into purified water, reused with doing recirculated water, saved and used water；By inciting somebody to action
It is of the invention to carry out Experimental comparison, Jing test of many times with similar sewage-treating agent, sewage-treating agent press dosage respectively by 500,
700th, 1000, the optimum results of 2000mg/L carry out long run test, verify that its effect is more stable, to coking sewage chemical oxygen consumption
Amount, suspension removal rate it is higher, sewage drainage standard can be reached, and secondary pollution will not be produced.The present invention is to coking chemical waste water
Middle and high concentration petroleum-type, suspension and coked waste water have the effect of uniqueness, and waste water treating agent by little, the technique using temperature limiting
It is stable, low cost.
Description of the drawings
Fig. 1 is a kind of preparation technology flow chart of coking sewage treating agent proposed by the present invention.
Specific embodiment
As shown in figure 1, Fig. 1 is a kind of preparation technology flow chart of coking sewage treating agent proposed by the present invention.
Embodiment 1
With reference to Fig. 1, a kind of preparation method of coking sewage treating agent comprises the steps：
S1,30 parts of water are weighed by weight, add 4 parts of concentrated sulfuric acids, 1 part of sodium metasilicate to be well mixed, continue in whipping process
40 parts of calcium oxide, 10 parts of Na2Fe04s, 8 parts of aluminium polychlorides, 10 parts of bodied ferric sulfates are added to be stirred, mixing time is
60min, is warming up to 60 DEG C and continues stirring 3h, and cooling obtains prefabricated material；
Be put in reactor in S2, the prefabricated material for obtaining S1, temperature of reaction kettle is raised to 40 DEG C of stirring 40min, plus
Enter 1.5 parts of PAMAs, 0.2 part of aluminium salt, 0.1 part of molysite stirring reaction 15min, continue to rise high-temperature to 55 DEG C extremely
Fully reaction is complete；
Sequentially add in S3, the material obtained to S2 2 parts of xanthans, 1 part of algin, 0.7 part of gelatin, 1 portion of modified starch,
1.5 parts of modified fibres, 0.6 part of lignin, 1 part of gummy stirring at normal temperature are uniform, temperature is increased to 40 DEG C and continues stirring 40min；
1 part of polysilicate aluminum chloride, 3 parts of boric acid is sequentially added in S4, the material obtained to S3 and persistently stirs 5h at 30 DEG C, heat up
To 60 DEG C, add 1.5 parts of potassium permanganate, 1 part of isooctane to stir 5h, be cooled to room temperature and obtain coking sewage treating agent.
Embodiment 2
A kind of preparation method of coking sewage treating agent, comprises the steps：
S1,50 parts of water are weighed by weight, add 2 parts of concentrated sulfuric acids, 4 parts of sodium metasilicate to be well mixed, continue in whipping process
20 parts of calcium oxide, 15 parts of Na2Fe04s, 2 parts of aluminium polychlorides, 13 parts of bodied ferric sulfates are added to be stirred, mixing time is
50min, is warming up to 65 DEG C and continues stirring 1h, and cooling obtains prefabricated material；
Be put in reactor in S2, the prefabricated material for obtaining S1, temperature of reaction kettle is raised to 50 DEG C of stirring 20min, plus
Enter 1.9 parts of PAMAs, 0.1 part of aluminium salt, 0.2 part of molysite stirring reaction 10min, continue to rise high-temperature to 60 DEG C extremely
Fully reaction is complete；
1 part of xanthans, 2 parts of algins, 0.3 part of gelatin, 1.5 parts of modified shallow lakes are sequentially added in S3, the material obtained to S2
Powder, 1 part of modified fibre, 1 part of lignin, 0.6 part of gummy stirring at normal temperature are uniform, temperature is increased to 50 DEG C and continues stirring 20min；
4 parts of polysilicate aluminum chlorides, 1 part of boric acid are sequentially added in S4, the material obtained to S3 and persistently stirs 3h at 45 DEG C, heat up
To 85 DEG C, add 1 part of potassium permanganate, 2 parts of isooctane to stir 3h, be cooled to room temperature and obtain coking sewage treating agent.
Embodiment 5
A kind of preparation method of coking sewage treating agent, comprises the steps：
S1,42 parts of water are weighed by weight, add 2.8 parts of concentrated sulfuric acids, 2.5 parts of sodium metasilicate to be well mixed in whipping process,
Continuously add 32 parts of calcium oxide, 13 parts of Na2Fe04s, 4 parts of aluminium polychlorides, 11.5 parts of bodied ferric sulfates to be stirred, during stirring
Between be 56min, be warming up to 63 DEG C continue stirring 2h, cooling obtain prefabricated material；
Be put in reactor in S2, the prefabricated material for obtaining S1, temperature of reaction kettle is raised to 46 DEG C of stirring 35min, plus
Enter 1.7 parts of PAMAs, 0.16 part of aluminium salt, 0.18 part of molysite stirring reaction 13min, continue to rise high-temperature to 57 DEG C
It is complete to fully reaction；
Sequentially add in S3, the material obtained to S2 1.3 parts of xanthans, 1.6 parts of algins, 0.5 part of gelatin, 1.35 parts change
Property starch, 1.25 parts of modified fibres, 0.75 part of lignin, 0.95 part of gummy stirring at normal temperature it is uniform, by temperature be increased to 45 DEG C after
Continuous stirring 32min；
Sequentially add 2.5 parts of polysilicate aluminum chlorides, 2.3 parts of boric acid persistently to stir at 41 DEG C in S4, the material obtained to S3
4.5h, is warming up to 73 DEG C, adds 1.3 parts of potassium permanganate, 1.7 parts of isooctane to stir 4.5h, is cooled to room temperature and obtains coked waste water
Inorganic agent.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (3)
1. a kind of preparation method of coking sewage treating agent, it is characterised in that comprise the steps：
S1, weigh 30 parts of water by weight, in whipping process, add 4 parts of concentrated sulfuric acids, 1 part of sodium metasilicate to be well mixed, continue plus
Enter 40 parts of calcium oxide, 10 parts of Na2Fe04s, 8 parts of aluminium polychlorides, 10 parts of bodied ferric sulfates to be stirred, mixing time is
60min, is warming up to 60 DEG C and continues stirring 3h, and cooling obtains prefabricated material；
Be put in reactor in S2, the prefabricated material for obtaining S1, temperature of reaction kettle is raised to 40 DEG C of stirring 40min, plus
Enter 1.5 parts of PAMAs, 0.2 part of aluminium salt, 0.1 part of molysite stirring reaction 15min, continue to rise high-temperature extremely
55 DEG C complete to fully reaction；
Sequentially add in S3, the material obtained to S2 2 parts of xanthans, 1 part of algin, 0.7 part of gelatin, 1 portion of modified starch, 1.5
Part modified fibre, 0.6 part of lignin, 1 part of gummy stirring at normal temperature are uniform, temperature is increased to 40 DEG C and continues stirring 40min；
1 part of polysilicate aluminum chloride, 3 parts of boric acid is sequentially added in S4, the material obtained to S3 and persistently stirs 5h at 30 DEG C, be warming up to 60
DEG C, add 1.5 parts of potassium permanganate, 1 part of isooctane to stir 5h, be cooled to room temperature and obtain coking sewage treating agent.
2. a kind of preparation method of coking sewage treating agent, it is characterised in that comprise the steps：
S1,50 parts of water are weighed by weight, add 2 parts of concentrated sulfuric acids, 4 parts of sodium metasilicate to be well mixed, continuously add in whipping process
20 parts of calcium oxide, 15 parts of Na2Fe04s, 2 parts of aluminium polychlorides, 13 parts of bodied ferric sulfates are stirred, and mixing time is 50min,
It is warming up to 65 DEG C and continues stirring 1h, cooling obtains prefabricated material；
Be put in reactor in S2, the prefabricated material for obtaining S1, temperature of reaction kettle is raised to 50 DEG C of stirring 20min, plus
Enter 1.9 parts of PAMAs, 0.1 part of aluminium salt, 0.2 part of molysite stirring reaction 10min, continue to rise high-temperature to 60
It is DEG C complete to fully reaction；
Sequentially add in S3, the material obtained to S2 1 part of xanthans, 2 parts of algins, 0.3 part of gelatin, 1.5 portions of modified starches, 1
Part modified fibre, 1 part of lignin, 0.6 part of gummy stirring at normal temperature are uniform, temperature is increased to 50 DEG C and continues stirring 20min；
4 parts of polysilicate aluminum chlorides, 1 part of boric acid are sequentially added in S4, the material obtained to S3 and persistently stirs 3h at 45 DEG C, be warming up to 85
DEG C, add 1 part of potassium permanganate, 2 parts of isooctane to stir 3h, be cooled to room temperature and obtain coking sewage treating agent.
3. a kind of preparation method of coking sewage treating agent, comprises the steps：
S1,42 parts of water are weighed by weight, add 2.8 parts of concentrated sulfuric acids, 2.5 parts of sodium metasilicate to be well mixed, continue in whipping process
Add 32 parts of calcium oxide, 13 parts of Na2Fe04s, 4 parts of aluminium polychlorides, 11.5 parts of bodied ferric sulfates to be stirred, stir
Time is 56min, is warming up to 63 DEG C and continues stirring 2h, and cooling obtains prefabricated material；
Be put in reactor in S2, the prefabricated material for obtaining S1, temperature of reaction kettle is raised to 46 DEG C of stirring 35min, plus
Enter 1.7 parts of PAMAs, 0.16 part of aluminium salt, 0.18 part of molysite stirring reaction 13min, continue to rise high-temperature extremely
57 DEG C complete to fully reaction；
1.3 parts of xanthans, 1.6 parts of algins, 0.5 part of gelatin, 1.35 parts of modified shallow lakes are sequentially added in S3, the material obtained to S2
Powder, 1.25 parts of modified fibres, 0.75 part of lignin, 0.95 part of gummy stirring at normal temperature are uniform, temperature is increased to 45 DEG C and continues to stir
Mix 32min；
2.5 parts of polysilicate aluminum chlorides, 2.3 parts of boric acid are sequentially added in S4, the material obtained to S3 and persistently stirs 4.5h at 41 DEG C, rise
Temperature is added 1.3 parts of potassium permanganate, 1.7 parts of isooctane to stir 4.5h, is cooled to room temperature and obtains at coked waste water to 73 DEG C
Reason agent.
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| CN105692723A (en) * | 2016-01-22 | 2016-06-22 | 南通海陵环境检测有限公司 | Dyeing waste water treating agent and preparing method thereof |
| CN106629888A (en) * | 2016-11-23 | 2017-05-10 | 郑州源冉生物技术有限公司 | Efficient sewage treatment agent based on xanthan gum and preparation method of efficient sewage treatment agent |
| CN110606537B (en) * | 2019-09-09 | 2021-10-26 | 武汉纺织大学 | Novel method for treating waste water glass sand wet regeneration sewage and application thereof |
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| CN104445562A (en) * | 2014-11-05 | 2015-03-25 | 南华大学 | Preparation method of coking wastewater treating agent |
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| JPS6020074B2 (en) * | 1979-04-11 | 1985-05-20 | 日本化学工業株式会社 | How to treat grout wastewater |
| CN100386267C (en) * | 2005-10-28 | 2008-05-07 | 上海工程技术大学 | High efficiency composite flocculant, its preparation method and application |
| CN101503239B (en) * | 2009-03-23 | 2012-05-30 | 中国科学院生态环境研究中心 | Multicomponent composite flocculating setting agent and use in arsenic contamination water treatment |
| CN101519239B (en) * | 2009-04-07 | 2011-02-02 | 甘肃宇辰化工器材装备有限公司 | Coking wastewater treatment agent and use method thereof |
| CN102674519A (en) * | 2012-06-13 | 2012-09-19 | 何斌 | Preparation method of flocculant for sewage treatment |
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