CN109292887A - A kind of sponge silicic acid and preparation method thereof containing polyaluminium chloride - Google Patents
A kind of sponge silicic acid and preparation method thereof containing polyaluminium chloride Download PDFInfo
- Publication number
- CN109292887A CN109292887A CN201811317041.8A CN201811317041A CN109292887A CN 109292887 A CN109292887 A CN 109292887A CN 201811317041 A CN201811317041 A CN 201811317041A CN 109292887 A CN109292887 A CN 109292887A
- Authority
- CN
- China
- Prior art keywords
- polyaluminium chloride
- sponge
- silicic acid
- parts
- iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
Landscapes
- 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)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The present invention relates to water purification agent technical fields, a kind of sponge silicic acid and preparation method thereof containing polyaluminium chloride is disclosed, score by weight includes: 20-30 parts of iron-bearing material, 5-15 parts of active carbon, 5-15 parts of pore-forming auxiliary agent, 10-30 parts of binder, 15-25 parts of ease of solubility polyaluminium chloride.Present invention sponge silicic acid produced has many advantages, such as large specific surface area, specific surface energy height and the enrichment of stronger electrochemistry, physical absorption and flocculation sedimentation, it is dissolved into sufficiently in sponge iron in addition polyaluminium chloride, purifying water effect in polyaluminium chloride water purification agent is adequately acted on sponge silicic acid, forms highly efficient polyaluminium chloride sponge silicic acid.
Description
Technical field
The present invention relates to water purification agent technical field, specifically a kind of sponge silicic acid containing polyaluminium chloride and its preparation
Method.
Background technique
Aluminium, iron macromolecule inorganic polymer water purification agent be get up from the seventies to the nineties research and development it is novel
Chemical industry plays great role to improve people's quality of life and Environment control.Water purification agent various types, production technology are each
It is not identical.Aluminium polychloride is a kind of water-purifying material, inorganic polymer coagulant, and is called poly-aluminium for short, and english abbreviation is
PAC, due to the bridging action and multivalent anions of hydroxide ion polymerization and the molecular weight that produces is larger, charge is higher
Inorganic polymer water treatment agent.Sponge iron is that current water-treatment technology field is excellent as a kind of novel zeroth order iron material
The first choice of matter iron material.The main reason is that can be processed into the product of sizing compared with iron filings, quality is stablized, specific surface area
Greatly, surface can be higher, can more play the technical advantage of Zero-valent Iron, and anti-compaction energy and favorable regeneration effect;With nanometer iron powder phase
Than there is large specific surface area, low cost, without the advantages such as genotoxic potential pollution and easy large-scale production.
Chinese patent (notification number: 107827197 A, the day for announcing: 2018.03.23) discloses a kind of sponge silicic acid
Production technology, comprising the following steps: (1) by iron-bearing material and carbonaceous material, the pore-forming auxiliary agent and binder after drying, fine grinding
Ingredient mixes simultaneously pressure ball;(2) mixed after green-ball is dry with reducing agent, desulfurizing agent, preheated in coal base shaft furnace, restore and
It is cooling, obtain sponge iron mixture;(3) mixture containing sponge iron obtains sponge iron metallized pellet and residual after magnetic separation separates
Coal;It is used sponge iron metallized pellet through sponge iron particle broken, after screening as water purification agent, has production technology advanced
Reliably, it can be realized large-scale production.But this water purification agent purifying water effect is general, and it is unobvious for the turbidity removal rate effect of water and
Water purification rate is slower, influences the process of water purification, is unfavorable for the use of Quick purifying engineering.
Summary of the invention
The purpose of the present invention is to provide a kind of sponge silicic acid and preparation method thereof containing polyaluminium chloride, to solve
The problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of sponge silicic acid containing polyaluminium chloride, by weight score include: 20-30 parts of iron-bearing material, active carbon 5-15
Part, 5-15 parts of pore-forming auxiliary agent, 10-30 parts of binder, 15-25 parts of ease of solubility polyaluminium chloride.
As a further solution of the present invention: score includes: that 25 parts of iron-bearing material, 10 parts of active carbon, pore-forming help by weight
10 parts of agent, 25 parts of binder, 20 parts of ease of solubility polyaluminium chloride.
As a further solution of the present invention: the ease of solubility polyaluminium chloride, preparation method are as follows:
(1) chlorination aluminium block is placed in grinding groove and is ground, be ground into it is powdered, for use;
(2) test tube is taken, the distilled water of 100ml is put into test tube, is then poured into the aluminum chloride powder in (1) in test tube, so
It pours into the hydrochloric acid that mass concentration is 20% again afterwards to be stirred, mixing time is 5 minutes;
(3) it after the completion of mixing liquid stirring in test tube, pours into the reaction kettle containing lytic agent, is heated, it is to be heated
Temperature stops heating when reaching 60 ° -80 °, takes out, and places under field conditions (factors), makes its spontaneous nucleation, and it is polychloride to form crystallization
Aluminium;
(4) crystallization polyaluminium chloride is put into closed grinding groove and is ground, during grinding, be constantly passed through nitrogen
Gas prevents other gases during crystallizing polyaluminium chloride grinding, reacts;
As a further solution of the present invention: the lytic agent is glutamic acid sodium powder.
As a further solution of the present invention: the sponge silicic acid containing polyaluminium chloride the preparation method is as follows:
(1) iron-bearing material is put into grinding groove and is ground into powder, is then dried in putting it into drying box
After processing, for use;
(2) the iron-bearing material powder being put into active carbon, pore-forming auxiliary agent, binder and ease of solubility polyaluminium chloride jointly in (1)
In mixed, mixture is put into blender after mixing and is stirred, stir sufficiently after take out be put into pressure ball device, press
It is made spherical, pressure ball device is made of ferrous material, has prevented other elements from penetrating into mixture impact effect;
(3) glomerate mixture will be pressed to be dried in being put into drying box;
(4) it by the spherical mixture and desulfurizing agent, reducing agent mixing after drying, is then placed in coal base shaft furnace and reacts;
(5) after sponge iron metal pelletizing being crushed and screened, the sponge iron for receiving the polyaluminium chloride that granularity is 1~10mm is net
Aqua.
As a further solution of the present invention: the pore-forming auxiliary agent in calcium carbonate, humic acid, calgon one
Kind is a variety of.
As a further solution of the present invention: the dosage of the reducing agent accounts for the 30~65% of iron-bearing material weight, in advance
Hot temperature is 260~700 °C, and preheating time is 3~8h;Reduction temperature be 700~1200 °C, the recovery time be 12~for 24 hours.
As a further solution of the present invention: the coal base shaft furnace is made of reaction chamber and combustion chamber, and reaction chamber is divided into pre-
Hot arc, reduction section and cooling section, cooling pars infrasegmentalis are material discharge region;Heat needed for preheating and restore in the reaction chamber, source
In the heat that the reaction chamber partition wall exterior combustion chamber fuel combustion generates, heat is transmitted to the mixture in reaction chamber by partition wall;
Combustion chamber needs to arrange multiple fuel nozzles according to reaction chamber temperature.
As a further solution of the present invention: the binder is one of inorganic or organic binder.
Compared with prior art, the beneficial effects of the present invention are: present invention sponge silicic acid produced has than table
The advantages that area is big, specific surface energy is high and the enrichment of stronger electrochemistry, physical absorption and flocculation sedimentation, it is polychloride adding
Aluminium is dissolved into it sufficiently in sponge iron, and the purifying water effect in polyaluminium chloride water purification agent is adequately made with sponge silicic acid
With foring highly efficient polyaluminium chloride sponge silicic acid.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment one:
A kind of sponge silicic acid containing polyaluminium chloride, by weight score include: 20 parts of iron-bearing material, 5 parts of active carbon, pore-forming
5 parts of auxiliary agent, 10 parts of binder, 15 parts of ease of solubility polyaluminium chloride.
Further, the ease of solubility polyaluminium chloride, preparation method are as follows:
(1) chlorination aluminium block is placed in grinding groove and is ground, be ground into it is powdered, for use;
(2) test tube is taken, the distilled water of 100ml is put into test tube, is then poured into the aluminum chloride powder in (1) in test tube, so
It pours into the hydrochloric acid that mass concentration is 20% again afterwards to be stirred, mixing time is 5 minutes;
(3) it after the completion of mixing liquid stirring in test tube, pours into the reaction kettle containing lytic agent, lytic agent is sodium glutamate
Powder is heated, and temperature to be heated stops heating when reaching 60 ° -80 °, takes out, and is placed under field conditions (factors), is tied it naturally
Crystalline substance forms crystallization polyaluminium chloride;
(4) crystallization polyaluminium chloride is put into closed grinding groove and is ground, during grinding, be constantly passed through nitrogen
Gas prevents other gases during crystallizing polyaluminium chloride grinding, reacts, and influence finally obtains ease of solubility crystallization
The purity of polyaluminium chloride powder.
Further, the sponge silicic acid containing polyaluminium chloride the preparation method is as follows:
(1) iron-bearing material is put into grinding groove and is ground into powder, then put it into drying box and be dried again
After processing, for use;
(2) the iron-bearing material powder being put into active carbon, pore-forming auxiliary agent, binder and ease of solubility polyaluminium chloride jointly in (1)
In mixed, mixture is put into blender after mixing and is stirred, stir sufficiently after take out be put into pressure ball device, press
It is made spherical, pressure ball device is made of ferrous material, has prevented other elements from penetrating into mixture, impact effect;
(3) glomerate mixture will be pressed to be dried in being put into drying box;
(4) it by the spherical mixture and desulfurizing agent, reducing agent mixing after drying, is then placed in coal base shaft furnace, it is perpendicular through coal base
The sponge iron of polyaluminium chloride and the mixture of residual coal, the mixture warp of residual coal are obtained in furnace after preheating section, reduction section and cooling section
Reducing agent use can be re-used as after processing, the dosage of reducing agent accounts for the 30~65% of iron-bearing material weight, preheating temperature 260
~700 °C, preheating time is 3~8h;Reduction temperature be 700~1200 °C, the recovery time be 12~for 24 hours;The coal base shaft furnace
It is made of reaction chamber and combustion chamber, the reaction chamber is divided into preheating section, reduction section and cooling section, and the cooling pars infrasegmentalis is discharge
Area;Heat needed for preheating and restore in the reaction chamber, generates from the reaction chamber partition wall exterior combustion chamber fuel combustion
Heat, heat is transmitted to the mixture in reaction chamber by partition wall;Combustion chamber needs to arrange multiple fuel according to reaction chamber temperature
Burner.
(5) after sponge iron metal pelletizing being crushed and screened, the sponge for the polyaluminium chloride that granularity is 1~10mm is received
Silicic acid.
Further, the pore-forming auxiliary agent is selected from one of calcium carbonate, humic acid, calgon or a variety of.
Further, the binder is one of inorganic or organic binder.
Embodiment two:
A kind of sponge silicic acid containing polyaluminium chloride, by weight score include: 25 parts of iron-bearing material, 10 parts of active carbon, at
10 parts of hole auxiliary agent, 25 parts of binder, 20 parts of ease of solubility polyaluminium chloride.
Further, the ease of solubility polyaluminium chloride, preparation method are as follows:
(1) chlorination aluminium block is placed in grinding groove and is ground, be ground into it is powdered, for use;
(2) test tube is taken, the distilled water of 100ml is put into test tube, is then poured into the aluminum chloride powder in (1) in test tube, so
It pours into the hydrochloric acid that mass concentration is 20% again afterwards to be stirred, mixing time is 5 minutes;
(3) it after the completion of mixing liquid stirring in test tube, pours into the reaction kettle containing lytic agent, lytic agent is sodium glutamate
Powder is heated, and temperature to be heated stops heating when reaching 60 ° -80 °, takes out, and is placed under field conditions (factors), is tied it naturally
Crystalline substance forms crystallization polyaluminium chloride;
(4) crystallization polyaluminium chloride is put into closed grinding groove and is ground, during grinding, be constantly passed through nitrogen
Gas is placed other gases during crystallizing polyaluminium chloride grinding, is reacted, and influence finally obtains ease of solubility crystallization
The purity of polyaluminium chloride powder.
Further, the sponge silicic acid containing polyaluminium chloride the preparation method is as follows:
(1) iron-bearing material is put into grinding groove and is ground into powder, is then dried in putting it into drying box
After processing, for use;
(2) the iron-bearing material powder being put into active carbon, pore-forming auxiliary agent, binder and ease of solubility polyaluminium chloride jointly in (1)
In mixed, mixture is put into blender after mixing and is stirred, stir sufficiently after take out be put into pressure ball device, press
It is made spherical, pressure ball device is made of ferrous material, has prevented other elements from penetrating into mixture, impact effect;
(3) glomerate mixture will be pressed to be dried in being put into drying box;
(4) it by the spherical mixture and desulfurizing agent, reducing agent mixing after drying, is then placed in coal base shaft furnace, it is perpendicular through coal base
The sponge iron of polyaluminium chloride and the mixture of residual coal, the mixture warp of residual coal are obtained in furnace after preheating section, reduction section and cooling section
Reducing agent use can be re-used as after processing, the dosage of reducing agent accounts for the 30~65% of iron-bearing material weight, preheating temperature 260
~700 °C, preheating time is 3~8h;Reduction temperature be 700~1200 °C, the recovery time be 12~for 24 hours;The coal base shaft furnace
It is made of reaction chamber and combustion chamber, the reaction chamber is divided into preheating section, reduction section and cooling section, and the cooling pars infrasegmentalis is discharge
Area;Heat needed for preheating and restore in the reaction chamber, generates from the reaction chamber partition wall exterior combustion chamber fuel combustion
Heat, heat is transmitted to the mixture in reaction chamber by partition wall;Combustion chamber needs to arrange multiple fuel according to reaction chamber temperature
Burner.
(5) after sponge iron metal pelletizing being crushed and is screened, receive granularity be 1~10mm polyaluminium chloride sponge
Silicic acid.
Further, the pore-forming auxiliary agent is selected from one of calcium carbonate, humic acid, calgon or a variety of.
Further, the binder is one of inorganic or organic binder.
Embodiment three:
A kind of sponge silicic acid containing polyaluminium chloride, by weight score include: 30 parts of iron-bearing material, 15 parts of active carbon, at
15 parts of hole auxiliary agent, 20 parts of binder, 25 parts of ease of solubility polyaluminium chloride.
Further, the ease of solubility polyaluminium chloride, preparation method are as follows:
(1) chlorination aluminium block is placed in grinding groove and is ground, be ground into it is powdered, for use;
(2) test tube is taken, the distilled water of 100ml is put into test tube, is then poured into the aluminum chloride powder in (1) in test tube, so
It pours into the hydrochloric acid that mass concentration is 20% again afterwards to be stirred, mixing time is 5 minutes;
(3) it after the completion of mixing liquid stirring in test tube, pours into the reaction kettle containing lytic agent, lytic agent is sodium glutamate
Powder is heated, and temperature to be heated stops heating when reaching 60 ° -80 °, takes out, and is placed under field conditions (factors), is tied it naturally
Crystalline substance forms crystallization polyaluminium chloride;
(4) crystallization polyaluminium chloride is put into closed grinding groove and is ground, during grinding, be constantly passed through nitrogen
Gas is placed other gases during crystallizing polyaluminium chloride grinding, is reacted, and influence finally obtains ease of solubility crystallization
The purity of polyaluminium chloride powder.
Further, the sponge silicic acid containing polyaluminium chloride the preparation method is as follows:
(1) iron-bearing material is put into grinding groove and is ground into powder, is then dried in putting it into drying box
After processing, for use;
(2) the iron-bearing material powder being put into active carbon, pore-forming auxiliary agent, binder and ease of solubility polyaluminium chloride jointly in (1)
In mixed, mixture is put into blender after mixing and is stirred, stir sufficiently after take out be put into pressure ball device, press
It is made spherical, pressure ball device is made of ferrous material, has prevented other elements from penetrating into mixture, impact effect;
(3) glomerate mixture will be pressed to be dried in being put into drying box;
(4) it by the spherical mixture and desulfurizing agent, reducing agent mixing after drying, is then placed in coal base shaft furnace, it is perpendicular through coal base
The sponge iron of polyaluminium chloride and the mixture of residual coal, the mixture warp of residual coal are obtained in furnace after preheating section, reduction section and cooling section
Reducing agent use can be re-used as after processing, the dosage of reducing agent accounts for the 30~65% of iron-bearing material weight, preheating temperature 260
~700 °C, preheating time is 3~8h;Reduction temperature be 700~1200 °C, the recovery time be 12~for 24 hours;The coal base shaft furnace
It is made of reaction chamber and combustion chamber, the reaction chamber is divided into preheating section, reduction section and cooling section, and the cooling pars infrasegmentalis is discharge
Area;Heat needed for preheating and restore in the reaction chamber, generates from the reaction chamber partition wall exterior combustion chamber fuel combustion
Heat, heat is transmitted to the mixture in reaction chamber by partition wall;Combustion chamber needs to arrange multiple fuel according to reaction chamber temperature
Burner.
(5) after sponge iron metal pelletizing being crushed and is screened, receive granularity be 1~10mm polyaluminium chloride sponge
Silicic acid.
Further, the pore-forming auxiliary agent is selected from one of calcium carbonate, humic acid, calgon or a variety of.
Further, the binder is one of inorganic or organic binder.
Comparative example 1:
This comparison 1 compared with Example 1, does not add the polyaluminium chloride, and method and step in addition to this is all the same.
Comparative example 2:
This comparative example 2 uses the polyaluminium chloride water purification agent of commercial type.
The embodiment of the present invention 1 to 3 is diluted with 1 to 2 water purification agent of comparative example according to 1:100, the place to sewage is evaluated
Structure is managed, as a result as in the table below:
Group | Turbidity removal rate | Water purification rate |
Embodiment 1 | 90% | 85% |
Embodiment 2 | 96% | 90% |
Embodiment 3 | 88% | 83% |
Comparative example 1 | 60% | 50% |
Comparative example 2 | 40% | 30% |
As can be seen from the above table, the sponge silicic acid of polyaluminium chloride of the invention its to the turbidity removal rate of waste water and the rate of water purification
It is apparently higher than comparative example.Wherein the effect of embodiment two is the most significant;Sponge silicic acid produced have large specific surface area,
The advantages that specific surface energy height and the enrichment of stronger electrochemistry, physical absorption and flocculation sedimentation, makes it in addition polyaluminium chloride
It is sufficiently dissolved into sponge iron, the purifying water effect in polyaluminium chloride water purification agent is adequately acted on sponge silicic acid, formed
Highly efficient polyaluminium chloride sponge silicic acid.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (9)
1. a kind of sponge silicic acid containing polyaluminium chloride, which is characterized in that score includes: iron-bearing material 20-30 by weight
Part, 5-15 parts of active carbon, 5-15 parts of pore-forming auxiliary agent, 10-30 parts of binder, 15-25 parts of ease of solubility polyaluminium chloride.
2. a kind of sponge silicic acid containing polyaluminium chloride according to claim 1, which is characterized in that score by weight
It include: 25 parts of iron-bearing material, 10 parts of active carbon, 10 parts of pore-forming auxiliary agent, 25 parts of binder, 20 parts of ease of solubility polyaluminium chloride.
3. a kind of sponge silicic acid containing polyaluminium chloride according to claim 1 to 2, which is characterized in that described
Ease of solubility polyaluminium chloride, preparation method is as follows:
Chlorination aluminium block is placed in grinding groove and is ground, be ground into it is powdered, for use;
A test tube is taken, the distilled water of 100ml is put into test tube, is then poured into the aluminum chloride powder in (1) in test tube, then again
It pours into the hydrochloric acid that mass concentration is 20% to be stirred, mixing time is 5 minutes;
After the completion of mixing liquid stirring in test tube, pours into the reaction kettle containing lytic agent, heated, temperature to be heated
Stop heating when reaching 60 ° -80 °, take out, places under field conditions (factors), make its spontaneous nucleation;
Crystallization polyaluminium chloride is put into closed grinding groove and is ground, during grinding, is constantly passed through nitrogen.
4. a kind of sponge silicic acid containing polyaluminium chloride according to claim 3, which is characterized in that the dissolution
Agent is glutamic acid sodium powder.
5. a kind of sponge silicic acid containing polyaluminium chloride according to claim 1, which is characterized in that the pore-forming helps
Agent is selected from one of calcium carbonate, humic acid, calgon or a variety of.
6. a kind of sponge silicic acid containing polyaluminium chloride according to claim 1, which is characterized in that the bonding
Agent is one of inorganic or organic binder.
7. a kind of preparation method of the sponge silicic acid according to claim 1 to 2 containing polyaluminium chloride, special
Sign is, the specific steps are as follows:
Iron-bearing material is put into grinding groove and is ground into powder, is then dried in putting it into drying box
Afterwards, for use;
By active carbon, pore-forming auxiliary agent, binder and ease of solubility polyaluminium chloride be put into the iron-bearing material powder in (1) jointly into
Mixture, is put into blender after mixing and is stirred by row mixing, takes out and is put into pressure ball device after stirring sufficiently, is pressed into
Spherical, pressure ball device is made of ferrous material;
Glomerate mixture will be pressed to be dried in being put into drying box;
By the spherical mixture and desulfurizing agent, reducing agent mixing after drying, it is then placed in coal base shaft furnace and reacts;
Sponge iron pelletizing is crushed and is screened.
8. a kind of preparation method of sponge silicic acid containing polyaluminium chloride according to claim 7, which is characterized in that
The dosage of the reducing agent accounts for the 30~65% of iron-bearing material weight, and preheating temperature is 260~700 °C, and preheating time is 3~
8h;Reduction temperature be 700~1200 °C, the recovery time be 12~for 24 hours.
9. a kind of preparation method of sponge silicic acid containing polyaluminium chloride according to claim 7, which is characterized in that
The coal base shaft furnace is made of reaction chamber and combustion chamber, and reaction chamber is divided into preheating section, reduction section and cooling section, and cooling pars infrasegmentalis is
Material discharge region;Heat needed for preheating and restore in the reaction chamber, derives from the reaction chamber partition wall exterior combustion chamber fuel combustion
The heat of generation, heat are transmitted to the mixture in reaction chamber by partition wall;Combustion chamber needs to arrange multiple according to reaction chamber temperature
Fuel nozzle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811317041.8A CN109292887A (en) | 2018-11-07 | 2018-11-07 | A kind of sponge silicic acid and preparation method thereof containing polyaluminium chloride |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811317041.8A CN109292887A (en) | 2018-11-07 | 2018-11-07 | A kind of sponge silicic acid and preparation method thereof containing polyaluminium chloride |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109292887A true CN109292887A (en) | 2019-02-01 |
Family
ID=65145977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811317041.8A Pending CN109292887A (en) | 2018-11-07 | 2018-11-07 | A kind of sponge silicic acid and preparation method thereof containing polyaluminium chloride |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109292887A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101928031A (en) * | 2009-12-15 | 2010-12-29 | 中南民族大学 | Production method of polyaluminium chloride |
CN105906016A (en) * | 2016-06-20 | 2016-08-31 | 江门市江海区炜洁净水材料有限公司 | Industrial waste water purifying agent |
CN106396046A (en) * | 2016-06-20 | 2017-02-15 | 江门市江海区炜洁净水材料有限公司 | Production process for polymeric aluminum water-purifying agent |
CN106396047A (en) * | 2016-06-20 | 2017-02-15 | 江门市江海区炜洁净水材料有限公司 | Production process for polymeric aluminum water-purifying agent |
CN107827197A (en) * | 2017-11-16 | 2018-03-23 | 武汉科思瑞迪科技有限公司 | A kind of water purification agent process for producing sponge iron |
-
2018
- 2018-11-07 CN CN201811317041.8A patent/CN109292887A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101928031A (en) * | 2009-12-15 | 2010-12-29 | 中南民族大学 | Production method of polyaluminium chloride |
CN105906016A (en) * | 2016-06-20 | 2016-08-31 | 江门市江海区炜洁净水材料有限公司 | Industrial waste water purifying agent |
CN106396046A (en) * | 2016-06-20 | 2017-02-15 | 江门市江海区炜洁净水材料有限公司 | Production process for polymeric aluminum water-purifying agent |
CN106396047A (en) * | 2016-06-20 | 2017-02-15 | 江门市江海区炜洁净水材料有限公司 | Production process for polymeric aluminum water-purifying agent |
CN107827197A (en) * | 2017-11-16 | 2018-03-23 | 武汉科思瑞迪科技有限公司 | A kind of water purification agent process for producing sponge iron |
Non-Patent Citations (1)
Title |
---|
李建华: "《环境科学与工程技术辞典》", 31 October 2005 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Cheng et al. | Preparation, optimization, and application of sustainable ceramsite substrate from coal fly ash/waterworks sludge/oyster shell for phosphorus immobilization in constructed wetlands | |
CN103739098A (en) | Treatment agent of steelmaking waste water | |
CN106276935B (en) | Waterglass co-producing white carbon black cleanly production technique | |
CN106517621A (en) | Process of recycling wastewater containing ammonia chloride | |
CN111943336A (en) | Method for preparing polysilicate aluminum ferric flocculant, polysilicate aluminum ferric flocculant and application thereof | |
CN110981228B (en) | High-calcium active lime | |
CN104310552A (en) | Flocculant for waste water treatment and waste water treatment method using flocculant | |
CN102923776B (en) | Method for producing high-purity vanadium pentoxide | |
CN110316800A (en) | A kind of method of preparation and use of the flocculant for Treatment of Coking Effluent | |
CN103833156A (en) | Treatment method of cold rolling hydrochloric acid pickling waste acid | |
CN103496777A (en) | Pretreatment method of ammonia-nitrogen wastewater | |
CN110304703A (en) | A kind of preparation method with aluminium ash production polyaluminium chloride water purification agent | |
CN111136083A (en) | Method for recycling industrial waste miscellaneous salt | |
CN109650492A (en) | A kind of iron-carbon micro-electrolysis filler and preparation method thereof | |
CN109292887A (en) | A kind of sponge silicic acid and preparation method thereof containing polyaluminium chloride | |
CN101117262A (en) | Manufacturing method of bayer process red mud flocculating agent | |
CN102502880A (en) | Method for producing iron series water purification agent by using pickling waste acid | |
CN105271290B (en) | Method for preparing analcite through high-alumina fly ash | |
CN101492197B (en) | Method for treating industrial sour water with calcium carbonate ore | |
CN107324473B (en) | Method for preparing composite phosphorus removal agent based on converter steel slag | |
CN105776475A (en) | Compound polysilicate aluminum water purifying agent | |
CN106810000B (en) | Treatment method and system for evaporating and crystallizing mother liquor from salt-containing wastewater | |
CN115403229A (en) | Method for treating aquaculture wastewater | |
CN110606610B (en) | Method for circularly treating metal chloride waste liquid by ammonia process | |
CN213951299U (en) | Metallurgical dust removal ash washing dechlorination system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190201 |
|
RJ01 | Rejection of invention patent application after publication |