CN107162137A - Mineral coagulant aid for water process and preparation method thereof - Google Patents
Mineral coagulant aid for water process and preparation method thereof Download PDFInfo
- Publication number
- CN107162137A CN107162137A CN201710399743.4A CN201710399743A CN107162137A CN 107162137 A CN107162137 A CN 107162137A CN 201710399743 A CN201710399743 A CN 201710399743A CN 107162137 A CN107162137 A CN 107162137A
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- solid
- silicate
- mixed liquor
- ratio
- chitosan
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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
- C02F1/5263—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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular 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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of for mineral coagulant aid of water process and preparation method thereof, wherein preparation method includes：S1. it is 1 according to solid-to-liquid ratio by silicate：5 10 ratio is added to the water, and forms silicate solutions；S2. the dispersant that mass percent is 0.1 0.5% is added to silicate solutions；S3. silicate solutions are subjected to sedimentation separation, take top suspension；Top suspension is subjected to separation of solid and liquid, solid is taken as intermediate solid product；S4. chitosan is added into glacial acetic acid, the ratio of chitosan and glacial acetic acid is 15 grams：1 liter, the first mixed liquor is formed after stirring；S5. by intermediate solid product the first mixed liquor of addition, the ratio of intermediate solid product and mixed liquor is 1 gram：5 10 milliliters, the second mixed liquor is formed after stirring；S6. the second mixed liquor is subjected to separation of solid and liquid, solid portion is dried under conditions of 50~80 °C, environmental mineral flocculation aid is made.The present invention do not result in secondary pollution, safe and reliable, it is adaptable to water process processing.
Description
Technical field
The present invention relates to water process processing technology field, more particularly to a kind of mineral coagulant aid for water process and its
Preparation method.
Background technology
With industrial progress and social development, water pollution is also on the rise, into global No.1 environmental improvement problem.
Increasingly the water pollution aggravated, constitutes significant threat to the living safety of the mankind, sustainable as human health, economy and society
The major obstacles of development.Investigated according to authoritative institution of the world, in developing country, various diseases have 80% to be because having drunk and not defending
Raw water and propagate, the people of global 200d 00,000 is dead because drinking unhygienic water at least caused by every year, therefore, water pollution referred to as "
World's number one killer ".
In broad terms, flocculation aid refer to it is every can not be used alone as in a certain specific water treatment technology coagulant but
It can be used cooperatively with coagulant and improve or improve the chemical agent of cohesion and flocculating effect.In sewage treatment area, help solidifying
The effect of agent is that auxiliary coagulant makes fine suspension and colloidal substance in sewage are agglomerated together to become big and settle, so as to reach
To the purpose of sewage purification.
There is this product of flocculation aid on the market at present, existing flocculation aid is mainly polyacrylamide (PAM).Polypropylene
Acid amides is a kind of organic polymer product, and it has the advantages that, and consumption is few, effect stability；But polyacrylamide have one it is fatal
Shortcoming, i.e., with certain bio-toxicity, its toxicity derive from composition in partial organic substances matter.Due to toxicity, making
Obtaining in the water after polyacrylamide processing still has certain residual, can bring certain potential safety hazard to follow-up use.In addition, poly-
Acrylamide is still another shortcoming is that price, typically wants ten thousand yuan/ton of 1-2.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of mineral coagulant aid for water process and its
Preparation method, does not result in secondary pollution, safe and reliable, cheap.
The purpose of the present invention is achieved through the following technical solutions：For the mineral coagulant aid of water process, including silicon
The mass ratio of hydrochlorate and chitosan, silicate and chitosan is 20-50：1.
It is preferred that, the silicate is sepiolite, slope basket stone, vermiculite or attapulgite.
The method for preparing the mineral coagulant aid of the present invention for water process, including：
S1. it is 1 according to solid-to-liquid ratio by silicate：5-10 ratio is added to the water, and forms silicate solutions；
S2. the dispersant that mass percent is 0.1-0.5% is added to silicate solutions, with 600-1000 revs/min
Speed stirring silicate solutions 7-13 minutes；
S3. silicate solutions are subjected to sedimentation separation, take top suspension；Top suspension is subjected to separation of solid and liquid, taken
Solid is used as intermediate solid product；
S4. chitosan is added into glacial acetic acid, the ratio of chitosan and glacial acetic acid is 1-5 grams：1 liter, it is stirred 3-5 hours
After form the first mixed liquor；
S5. by intermediate solid product the first mixed liquor of addition, the ratio of intermediate solid product and mixed liquor is 1 gram：5-10
Milliliter, under conditions of 50~80 DEG C, the second mixed liquor is formed after being stirred 2-4 hours with 80-100 revs/min of speed；
S6. the second mixed liquor is subjected to separation of solid and liquid, solid portion is dried under conditions of 50~80 DEG C, be made
Environmental mineral flocculation aid.
It is preferred that, the silicate is sepiolite, slope basket stone, vermiculite or attapulgite.
It is preferred that, the dispersant is calgon or sodium hydroxide.
The beneficial effects of the invention are as follows：
(1) present invention in flocculation aid be made of natural non-metallic materials, safety non-toxic, environmental protection, and effect with
Polyacrylamide is similar, and cost is also similar, is highly suitable for water process process field；
(2) flocculation aid in the present invention is in addition to Coagulation aiding, the decolorizing effect not having with polyacrylamide also.
Embodiment
Technical scheme is detailed further below, but protection scope of the present invention is not limited to following institute
State.
Embodiment one
In the present embodiment, the mineral coagulant aid for water process includes silicate and chitosan, silicate and chitosan
Mass ratio be 20：1.
The silicate is sepiolite, slope basket stone, vermiculite or attapulgite.
Mineral coagulant aid is prepared by the following method, and specifically includes following steps：
By silicate according to solid-to-liquid ratio be 1：5 ratio is added to the water, and forms silicate solutions；Added to silicate solutions
Mass percent is 0.1% dispersant, and silicate solutions are stirred 7 minutes with 600 revs/min of speed；By silicate solutions
Sedimentation separation is carried out, top suspension is taken；Top suspension is subjected to separation of solid and liquid, solid is taken as intermediate solid product；Will
The ratio of chitosan addition glacial acetic acid, chitosan and glacial acetic acid is 1 gram：1 liter, it is stirred after 3 hours and forms the first mixed liquor；
By intermediate solid product the first mixed liquor of addition, the ratio of intermediate solid product and mixed liquor is 1 gram：5 milliliters, in 50 DEG C of bar
Under part, the second mixed liquor is formed after being stirred 2 hours with 80 revs/min of speed；Second mixed liquor is subjected to separation of solid and liquid, will be solid
Body portion is dried under conditions of 50 DEG C, and environmental mineral flocculation aid is made.
The dispersant is calgon or sodium hydroxide.
In plant effuent processing procedure, carry out helping solidifying experiment using commercially available prod-PAM and this programme product.Experiment is dirty
Hydromining is from Chengdu sewage treatment plants, and collection point is in second pond, and its result is as shown in table 1.
The PAM of table 1 and this programme product help the result of the test of solidifying experiment
Embodiment two
In the present embodiment, the mineral coagulant aid for water process includes silicate and chitosan, silicate and chitosan
Mass ratio be 30：1.
The silicate is sepiolite, slope basket stone, vermiculite or attapulgite.
Mineral coagulant aid is prepared by the following method, and specifically includes following steps：
By silicate according to solid-to-liquid ratio be 1：6 ratio is added to the water, and forms silicate solutions；Added to silicate solutions
Mass percent is 0.2% dispersant, and silicate solutions are stirred 8 minutes with 700 revs/min of speed；By silicate solutions
Sedimentation separation is carried out, top suspension is taken；Top suspension is subjected to separation of solid and liquid, solid is taken as intermediate solid product；Will
The ratio of chitosan addition glacial acetic acid, chitosan and glacial acetic acid is 2 grams：1 liter, it is stirred after 3.5 hours and forms the first mixing
Liquid；By intermediate solid product the first mixed liquor of addition, the ratio of intermediate solid product and mixed liquor is 1 gram：6 milliliters, at 60 DEG C
Under conditions of, form the second mixed liquor after being stirred 2.5 hours with 85 revs/min of speed；Second mixed liquor is subjected to solid-liquid point
From solid portion is dried under conditions of 60 DEG C, environmental mineral flocculation aid is made.
The dispersant is calgon or sodium hydroxide.
In plant effuent processing procedure, carry out helping solidifying experiment using commercially available prod-PAM and this programme product.Experiment is dirty
Hydromining is from Ziyang City Renshou County paper plant, and collection point is in second pond, and its result is as shown in table 2.
The PAM of table 2 and this programme product help the result of the test of solidifying experiment
Embodiment three
In the present embodiment, the mineral coagulant aid for water process includes silicate and chitosan, silicate and chitosan
Mass ratio be 39：1.
The silicate is sepiolite, slope basket stone, vermiculite or attapulgite.
Mineral coagulant aid is prepared by the following method, and specifically includes following steps：
By silicate according to solid-to-liquid ratio be 1：7 ratio is added to the water, and forms silicate solutions；Added to silicate solutions
Mass percent is 0.3% dispersant, and silicate solutions are stirred 9 minutes with 800 revs/min of speed；By silicate solutions
Sedimentation separation is carried out, top suspension is taken；Top suspension is subjected to separation of solid and liquid, solid is taken as intermediate solid product；Will
The ratio of chitosan addition glacial acetic acid, chitosan and glacial acetic acid is 3 grams：1 liter, it is stirred after 4 hours and forms the first mixed liquor；
By intermediate solid product the first mixed liquor of addition, the ratio of intermediate solid product and mixed liquor is 1 gram：7 milliliters, in 70 DEG C of bar
Under part, the second mixed liquor is formed after being stirred 3 hours with 90 revs/min of speed；Second mixed liquor is subjected to separation of solid and liquid, will be solid
Body portion is dried under conditions of 70 DEG C, and environmental mineral flocculation aid is made.
The dispersant is calgon or sodium hydroxide.
In plant effuent processing procedure, carry out helping solidifying experiment using commercially available prod-PAM and this programme product.Experiment is dirty
Hydromining is from Chengdu Qionglai City brewery, and collection point is in second pond, and its result is as shown in table 3.
The PAM of table 3 and this programme product help the result of the test of solidifying experiment
Example IV
In the present embodiment, the mineral coagulant aid for water process includes silicate and chitosan, silicate and chitosan
Mass ratio be 45：1.
The silicate is sepiolite, slope basket stone, vermiculite or attapulgite.
Mineral coagulant aid is prepared by the following method, and specifically includes following steps：
By silicate according to solid-to-liquid ratio be 1：8 ratio is added to the water, and forms silicate solutions；Added to silicate solutions
Mass percent is 0.4% dispersant, and silicate solutions are stirred 10 minutes with 900 revs/min of speed；By silicate solutions
Sedimentation separation is carried out, top suspension is taken；Top suspension is subjected to separation of solid and liquid, solid is taken as intermediate solid product；Will
The ratio of chitosan addition glacial acetic acid, chitosan and glacial acetic acid is 4 grams：1 liter, it is stirred after 4.5 hours and forms the first mixing
Liquid；By intermediate solid product the first mixed liquor of addition, the ratio of intermediate solid product and mixed liquor is 1 gram：9 milliliters, at 75 DEG C
Under conditions of, form the second mixed liquor after being stirred 3.5 hours with 95 revs/min of speed；Second mixed liquor is subjected to solid-liquid point
From solid portion is dried under conditions of 75 DEG C, environmental mineral flocculation aid is made.
The dispersant is calgon or sodium hydroxide.
In plant effuent processing procedure, carry out helping solidifying experiment using commercially available prod-PAM and this programme product.Experiment is dirty
Hydromining is from Mianyang City Zitong County Fruit quality factory, and collection point is in second pond, and its result is as shown in table 4.
The PAM of table 4 and this programme product help the result of the test of solidifying experiment
Embodiment five
In the present embodiment, the mineral coagulant aid for water process includes silicate and chitosan, silicate and chitosan
Mass ratio be 50：1.
The silicate is sepiolite, slope basket stone, vermiculite or attapulgite.
Mineral coagulant aid is prepared by the following method, and specifically includes following steps：
By silicate according to solid-to-liquid ratio be 1：10 ratio is added to the water, and forms silicate solutions；To silicate solutions plus
Enter the dispersant that mass percent is 0.5%, silicate solutions are stirred 13 minutes with 1000 revs/min of speed；By silicate
Solution carries out sedimentation separation, takes top suspension；Top suspension is subjected to separation of solid and liquid, takes solid to be produced as intermediate solid
Thing；Chitosan is added into glacial acetic acid, the ratio of chitosan and glacial acetic acid is 5 grams：1 liter, it is stirred formation first after 5 hours and mixes
Close liquid；By intermediate solid product the first mixed liquor of addition, the ratio of intermediate solid product and mixed liquor is 1 gram：10 milliliters, 80
Under conditions of DEG C, the second mixed liquor is formed after being stirred 4 hours with 100 revs/min of speed；Second mixed liquor is subjected to solid-liquid point
From solid portion is dried under conditions of 80 DEG C, environmental mineral flocculation aid is made.
The dispersant is calgon or sodium hydroxide.
In plant effuent processing procedure, carry out helping solidifying experiment using commercially available prod-PAM and this programme product.Experiment is dirty
Hydromining is from Deyang City steel construction processing factory, and collection point is in second pond, and its result is as shown in table 5.
The PAM of table 5 and this programme product help the result of the test of solidifying experiment
Although present invention has been a certain degree of description, it will be apparent that, do not departing from the spirit and scope of the present invention
Under the conditions of, the appropriate change of each condition can be carried out.It is appreciated that the invention is not restricted to the embodiment, and it is attributed to right
It is required that scope, it includes the equivalent substitution of each factor.
Claims (5)
1. the mineral coagulant aid for water process, it is characterised in that including silicate and chitosan, the matter of silicate and chitosan
Amount ratio is 20-50：1.
2. the mineral coagulant aid according to claim 1 for water process, it is characterised in that the silicate is Hai Pao
Stone, slope basket stone, vermiculite or attapulgite.
3. prepare the method for the mineral coagulant aid for water process described in claim 1-2 any one, it is characterised in that bag
Include：
S1. it is 1 according to solid-to-liquid ratio by silicate：5-10 ratio is added to the water, and forms silicate solutions；
S2. the dispersant that mass percent is 0.1-0.5% is added to silicate solutions, is stirred with 600-1000 revs/min of speed
Mix silicate solutions 7-13 minutes；
S3. silicate solutions are subjected to sedimentation separation, take top suspension；Top suspension is subjected to separation of solid and liquid, solid is taken
It is used as intermediate solid product；
S4. chitosan is added into glacial acetic acid, the ratio of chitosan and glacial acetic acid is 1-5 grams：1 liter, it is stirred shape after 3-5 hours
Into the first mixed liquor；
S5. by intermediate solid product the first mixed liquor of addition, the ratio of intermediate solid product and mixed liquor is 1 gram：5-10 milliliters,
Under conditions of 50~80 °C, the second mixed liquor is formed after being stirred 2-4 hours with 80-100 revs/min of speed；
S6. the second mixed liquor is subjected to separation of solid and liquid, solid portion is dried under conditions of 50~80 °C, environment is made
Mineral coagulant aid.
4. the method according to claim 3 for preparing the mineral coagulant aid for water process, it is characterised in that the silicic acid
Salt is sepiolite, slope basket stone, vermiculite or attapulgite.
5. the method according to claim 3 for preparing the mineral coagulant aid for water process, it is characterised in that described scattered
Agent is calgon or sodium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710399743.4A CN107162137A (en) | 2017-05-31 | 2017-05-31 | Mineral coagulant aid for water process and preparation method thereof |
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| CN201710399743.4A CN107162137A (en) | 2017-05-31 | 2017-05-31 | Mineral coagulant aid for water process and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101130445A (en) * | 2006-08-25 | 2008-02-27 | 中国科学院沈阳应用生态研究所 | Natural compound flocculant of chitosan, producing method and uses of the same |
| CN102491474A (en) * | 2011-12-09 | 2012-06-13 | 天津工业大学 | Feed raw water treatment flocculating agent and preparation method and application thereof |
| CN102604837A (en) * | 2012-04-16 | 2012-07-25 | 盐城工学院 | Microalgae cell flocculating and harvesting technology |
| CN103274509A (en) * | 2013-05-27 | 2013-09-04 | 天津市金鳞水处理科技有限公司 | Preparation method of composite flocculant capable of adsorbing heavy metal ions and composite flocculant product through |
| CN103482750A (en) * | 2013-09-10 | 2014-01-01 | 浙江省环境保护科学设计研究院 | Composite reagent for deep removal of heavy metals in wastewater and preparation method thereof |
| CN103521512A (en) * | 2013-10-16 | 2014-01-22 | 中国地质科学院水文地质环境地质研究所 | Sepiolite-chitosan composite material capable of repairing soils containing lead and cadmium and preparation method thereof |
| CN104609970A (en) * | 2015-01-30 | 2015-05-13 | 中国科学院上海高等研究院 | Microalgae harvesting and fertilizer-making method |
| CN106630071A (en) * | 2017-01-10 | 2017-05-10 | 水利部交通运输部国家能源局南京水利科学研究院 | Preparation method and application of high-efficiency flocculation algae-removal material with environmental adaptation characteristics |
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2017
- 2017-05-31 CN CN201710399743.4A patent/CN107162137A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101130445A (en) * | 2006-08-25 | 2008-02-27 | 中国科学院沈阳应用生态研究所 | Natural compound flocculant of chitosan, producing method and uses of the same |
| CN102491474A (en) * | 2011-12-09 | 2012-06-13 | 天津工业大学 | Feed raw water treatment flocculating agent and preparation method and application thereof |
| CN102604837A (en) * | 2012-04-16 | 2012-07-25 | 盐城工学院 | Microalgae cell flocculating and harvesting technology |
| CN103274509A (en) * | 2013-05-27 | 2013-09-04 | 天津市金鳞水处理科技有限公司 | Preparation method of composite flocculant capable of adsorbing heavy metal ions and composite flocculant product through |
| CN103482750A (en) * | 2013-09-10 | 2014-01-01 | 浙江省环境保护科学设计研究院 | Composite reagent for deep removal of heavy metals in wastewater and preparation method thereof |
| CN103521512A (en) * | 2013-10-16 | 2014-01-22 | 中国地质科学院水文地质环境地质研究所 | Sepiolite-chitosan composite material capable of repairing soils containing lead and cadmium and preparation method thereof |
| CN104609970A (en) * | 2015-01-30 | 2015-05-13 | 中国科学院上海高等研究院 | Microalgae harvesting and fertilizer-making method |
| CN106630071A (en) * | 2017-01-10 | 2017-05-10 | 水利部交通运输部国家能源局南京水利科学研究院 | Preparation method and application of high-efficiency flocculation algae-removal material with environmental adaptation characteristics |
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Application publication date: 20170915 |