CN110294486A - A kind of flocculant and preparation method for boehmite flocculating setting - Google Patents
A kind of flocculant and preparation method for boehmite flocculating setting Download PDFInfo
- Publication number
- CN110294486A CN110294486A CN201910693924.7A CN201910693924A CN110294486A CN 110294486 A CN110294486 A CN 110294486A CN 201910693924 A CN201910693924 A CN 201910693924A CN 110294486 A CN110294486 A CN 110294486A
- Authority
- CN
- China
- Prior art keywords
- flocculant
- boehmite
- flocculating setting
- mixtures
- agent
- 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
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/0646—Separation of the insoluble residue, e.g. of red mud
- C01F7/0653—Separation of the insoluble residue, e.g. of red mud characterised by the flocculant added to the slurry
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/0693—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process from waste-like raw materials, e.g. fly ash or Bayer calcination dust
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/04—Acids; Metal salts or ammonium salts thereof
- C08F120/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/32—Polymerisation in water-in-oil emulsions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/14—Treatment of polymer emulsions
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of flocculant and preparation method for boehmite flocculating setting, including following components, water-soluble monomer, ammonium hydroxide, solvent, vegetable oil acid, surfactant, initiator, phase inversion agent, deionized water.Preparation method of the invention includes aqueous phase solution preparation, reverse micro emulsion preparation, polymerization reaction, phase transfer.The flocculant that the present invention obtains molecular weight itself is high, and flocculation ability is strong, just can reach required flocculating setting effect without using a large amount of flocculant；Floating material content in sodium aluminate solution can be effectively reduced, the production capacity of subsider in infall process is improved；Flocculation rate is fast in flocculation process, and stability is good, and the floc sedimentation of formation is closely knit, resistant to shearing, has better compression performance；It is influenced by temperature and pH value small, is applicable to different flocculating setting environment.
Description
Technical field
The present invention relates to aluminium production industry technical fields, more particularly to a kind of wadding for boehmite flocculating setting
Solidifying agent and preparation method.
Background technique
The fields such as China's aluminium production industry constantly increase inverse emulsion polymerization macromolecule organic emulsion flocculant demand.
The growth rate of its sewerage disposing and aluminium industry is higher.
The separation sedimentation of red mud for alumina plant is an extremely complex physical and chemical process.Bayer process dissolved mineral slurry be by
The suspension that red mud and sodium aluminate solution are formed, since there is complexity between red mud particle and between red mud particle and solution
Physics chemical action, be often used high polymer coagulant promoted by the effect of build bridge absorption, adsorption and charging neutrality it is red
Effective cohesion between mud particle is formed " big particle cluster ", Lai Zengjia sinking speed, further such that being separated by solid-liquid separation speed significantly
It improves.
China's alumina producing largely relies on import bauxite at present, in recent years, with the growth of aluminium oxide yield, state
Internal oxidition aluminium enterprise further increases the degree of dependence of import bauxite.And the boehmite in import bauxite needs
It is dissolved out not less than 180 DEG C, multi-purpose 200~220 DEG C or even 260~280 DEG C of the leaching temperature of production, thus handles this ore
It needs to use high-temperature Bayer process.Compared with equally using the diaspore of high-temperature Bayer process, dissolution time is short, and condition is more wide
Pine.
But conventional flocculant in the prior art is generally directed to the flocculating setting of domestic mine diaspore, in needle
For Australia import bauxite mainly comprising boehmite, the conventional flocculant effect of the prior art is simultaneously bad, causes
It is poor to settle flocculating effect, overflow back water floating material content is high；Dosing increases, and settles increased costs；It is big to settle underflow viscosity,
Moisture content is high, leads to problems such as filters pressing difficult.
Summary of the invention
The object of the invention is that overcoming above-mentioned deficiency, a kind of flocculant for boehmite flocculating setting is provided
And preparation method.
In order to achieve the above objectives, the present invention is implemented according to following technical scheme:
A kind of flocculant for boehmite flocculating setting, component includes: to be calculated by mass percentage, water-soluble
Property monomer 20%~40%, ammonium hydroxide 20%~30%, solvent 20%~35%, vegetable oil acid 0.8%~2%, surfactant
2%~3.5%, initiator 0.01%~0.1%, phase inversion agent 0.6%~5%, remaining be deionized water；
The ammonia concn is 20wt%~25wt%.
Preferably, the water-soluble monomer is acrylic acid, methacrylic acid, methyl methacrylate, butyl acrylate, horse
Come one or more mixtures of sour, vinylbenzenesulfonic acid, methoxyethyl acrylate.
Preferably, the solvent is one or more mixtures of solvent naphtha, aliphatic hydrocarbon, aromatic hydrocarbons；The solvent
Oil is one or more mixtures of kerosene, white oil, gasoline, diesel oil；The aliphatic hydrocarbon is butane, pentane, octane, heptan
One or more mixtures of alkane, hexane；The aromatic hydrocarbons is one of benzene, toluene, ethylbenzene, dimethylbenzene, isopropylbenzene
Or two or more mixtures.
Preferably, the surfactant is sorbester p17, sorbester p18, span 40, polysorbas20, polysorbate60, polysorbate65, tween
80, one or more mixtures of OP-10, TX-10.
Preferably, the phase inversion agent is polyethoxylated fatty alcohols 13/50, polyethoxylated fatty alcohols 13/80, poly- ethoxy
One or more mixtures of base fatty alcohol 13/90, OP-10, ammonium thiocyanate.
Preferably, the flocculant for boehmite flocculating setting, component include: to be calculated by mass percentage,
Water-soluble monomer 26%~30%, ammonium hydroxide 29%~30%, solvent 24%~27%, vegetable oil acid 1.6%~1.8%, surface
Activating agent 2.5%~2.8%, initiator 0.022%~0.04%, phase inversion agent 0.79%~3%, remaining be deionized water；
The ammonia concn is 20wt%~25wt%.
The invention also includes the preparation methods of the flocculant for boehmite flocculating setting, comprising the following steps:
S1, aqueous phase solution prepare: water-soluble monomer is stirred with deionized water and is mixed, add ammonium hydroxide adjusting pH to
6.8~7.5, obtain aqueous phase solution；Process temperature control is stirred to react at 35 DEG C or less；
S2, reverse micro emulsion are prepared: solvent, surfactant, vegetable oil acid being stirred mixing in a kettle；It will
Aqueous phase solution in step S1 is slowly added into reaction kettle, is uniformly mixed, and uniform oil water mixture is obtained；Then add
Enter initiator, carries out emulsifying, obtain Reverse Microemulsion System；
Polymerization reaction: S3 is passed through N in the Reverse Microemulsion System obtained to step S22, oxygen is displaced, reaction is made to exist
It is carried out under deoxygenation conditions；Control causes initial temperature at 20 DEG C~23 DEG C, then controls temperature curve and linearly rises to 48 DEG C
~52 DEG C, it is stirred to react 5h~7h, obtains milky emulsion；Whipping process rate is 290r/min~350r/min；
Phase transfer: milky emulsion temperature obtained in step S3 after stable reaction, is down to 25~35 DEG C, so by S4
Phase inversion agent is added afterwards, obtains flocculant after being stirred to react.
The flocculation that the present invention is prepared according to the preparation method of the above-mentioned flocculant for boehmite flocculating setting
Agent, the boehmite for Australia import.
Action principle of the invention:
The flocculant that the present invention is prepared is with acrylic acid mainly for the flocculating setting of import boehmite mine
Example, key reaction of the invention are as follows:
CH2=CH-COOH+NH3H2O→CH2=CH-COONH4
Preparation method of the invention mainly apply conversed phase micro emulsion copolymerization technique, by emulsification, can be completed water phase with
The well-mixed emulsion system of oily phase.The then initiated polymerization under the protection of nitrogen, adds sulfurous after reaction
Sour hydrogen sodium removes residual monomer；Phase inversion agent is finally added at normal temperature and carries out property regulation to get flocculant product.
Flocculant prepared by the present invention can effectively reduce floating material content in sodium aluminate solution, improve in infall process and sink
The production capacity of slot drops；And when also improving sedimentation using the flocculant that is prepared of the present invention supernatant liquor clarity, improve and overflow
Current mass, and underflow liquid-solid ratio is low, additionally it is possible to prevent red mud from expanding.
The flocculant that the present invention is prepared is mainly for boehmite, and flocculant molecular weight itself is high, flocculation ability
By force, flocculation rate is fast and in flocculation process, and stability is good, and the floc sedimentation of formation is closely knit, resistant to shearing.And during use,
It is influenced by temperature and pH value small, is applicable to different flocculating setting environment.
And there is better compression performance using the solids under the sedimentation of this flocculant, to the steady of aluminum oxide production process
The fixed, optimization of index and the reduction of production cost, significant effect.
Compared with prior art, the invention has the benefit that
The flocculant that the present invention obtains molecular weight itself is high, and flocculation ability is strong, without using a large amount of flocculant with regard to reachable
To required flocculating setting effect；Floating material content in sodium aluminate solution can be effectively reduced, improves in infall process and sinks
The production capacity of slot drops；Flocculation rate is fast in flocculation process, and stability is good, and the floc sedimentation of formation is closely knit, resistant to shearing, has preferably compression
Performance；It is influenced by temperature and pH value small, is applicable to different flocculating setting environment.
Specific embodiment
With specific embodiment, the invention will be further described below, the invention illustrative examples and illustrate to use
Explain the present invention, but not as a limitation of the invention.
Embodiment 1
A kind of flocculant for boehmite flocculating setting, component includes: to be calculated by mass percentage, water-soluble
Property monomer 26%, ammonium hydroxide 30%, vegetable oil acid 1.6%, solvent 26%, surfactant 2.5%, initiator 0.04%, phase inversion
Agent 0.8%, remaining be deionized water.
Wherein water-soluble monomer is acrylic acid；Ammonium hydroxide is the industrial ammonia of 20wt% concentration；Solvent is white oil；Surface-active
Agent is that the mixture of sorbester p17, polysorbate60, wherein sorbester p17 and polysorbate60 mass ratio are 1:1.2；Initiator is two isobutyl of azo
It is fine；Phase inversion agent is ammonium thiocyanate.
The preparation method of flocculant for boehmite flocculating setting, comprising the following steps:
S1, aqueous phase solution are prepared: acrylic monomers 260g being stirred with deionized water and is mixed, ammonium hydroxide 300g is added
PH to 7.0 is adjusted, 120min is stirred under the stirring rate of 200r/min, obtains aqueous phase solution；It is stirred to react process temperature control
System is at 25 DEG C；
S2, reverse micro emulsion prepare: in a kettle be added 11.36g sorbester p17,13.64g polysorbate60,260g white oil,
16g vegetable oil acid stirs 30min under the stirring rate of 200r/min；The aqueous phase solution of step S1 is slowly added into reaction
In kettle, it is uniformly mixed after stirring 30min, obtains uniform oil water mixture；The fine 0.4g of two isobutyl of azo is then added, carries out equal
Matter emulsifies 30min, obtains Reverse Microemulsion System；
Polymerization reaction: S3 is passed through N in the Reverse Microemulsion System obtained to step S2 with the flow of 4L/min230min,
Oxygen is displaced, carries out reaction under deoxygenation conditions；Control causes initial temperature at 20 DEG C, and then controlling temperature curve is in line
Property rises to 50 DEG C, is stirred to react 5h, obtains milky emulsion；Whipping process rate is 300r/min；
S4, phase transfer: after stable reaction, being down to 30 DEG C for milky emulsion temperature obtained in step S3, then plus
Enter 8g ammonium thiocyanate, with the stirring rate of 200r/min, is stirred to react 60min, obtains flocculant.
According to the flocculant that the preparation method of the above-mentioned flocculant for boehmite flocculating setting is prepared, it is used for
The boehmite of Australia import.
The flocculant that the present embodiment obtains, detection solid content are 35.63%, apparent viscosity 1140mpa.s, and molecular weight is
13000000；Flocculating setting effectively can be carried out to the low concentration ore pulp containing boehmite mine.
Embodiment 2
A kind of flocculant for boehmite flocculating setting, component includes: to be calculated by mass percentage, water-soluble
Property monomer 28%, ammonium hydroxide 30%, vegetable oil acid 1.8%, solvent 24%, surfactant 2.7%, initiator 0.022%, phase inversion
Agent 0.79%, remaining be deionized water.
Wherein, water-soluble monomer is methacrylic acid；Ammonium hydroxide is the industrial ammonia of 22wt% concentration；Solvent is white oil；Table
Face activating agent is that the mixture of sorbester p17, Tween 80, wherein sorbester p17 and Tween 80 mass ratio are 1:1.5；Initiator is azo
Two different heptan are fine；Phase inversion agent ammonium thiocyanate.
The preparation method of flocculant for boehmite flocculating setting, comprising the following steps:
S1, aqueous phase solution are prepared: acrylic monomers 280g being stirred with deionized water and is mixed, ammonium hydroxide 300g is added
PH to 6.8~6.9 is adjusted, 120min is stirred under the stirring rate of 200r/min, obtains aqueous phase solution；It is stirred to react process temperature
Degree control is at 28 DEG C；
S2, reverse micro emulsion are prepared: 10.8g sorbester p17,16.2g Tween 80,240g white oil, 18g being added in a kettle
Vegetable oil acid stirs 40min under the stirring rate of 200r/min；It will be slowly added into step S1 with good aqueous phase solution
In reaction kettle, it is uniformly mixed after stirring 30min, obtains uniform oil water mixture；Fine 0.22g in two different heptan of azo is then added,
Emulsifying 40min is carried out, Reverse Microemulsion System is obtained；
Polymerization reaction: S3 is passed through N in the Reverse Microemulsion System obtained to step S2 with the flow of 4L/min250min,
Oxygen is displaced, carries out reaction under deoxygenation conditions；Control causes initial temperature at 22 DEG C, and then controlling temperature curve is in line
Property rises to 52 DEG C, is stirred to react 5h~6h, obtains milky emulsion；Whipping process rate is 350r/min；
S4, phase transfer: after stable reaction, being down to 35 DEG C for milky emulsion temperature obtained in step S3, then plus
Enter 7.9g ammonium thiocyanate, with the stirring rate of 200r/min, is stirred to react 45min, obtains flocculant.
According to the flocculant that the preparation method of the above-mentioned flocculant for boehmite flocculating setting is prepared, it is used for
The boehmite of Australia import.
The flocculant that the present embodiment obtains, it is 37.31% that detection contains admittedly, apparent viscosity 1220mpa.s, and molecular weight is
15000000；Flocculating setting effectively can be carried out to the ore pulp containing boehmite mine.
Embodiment 3
A kind of flocculant for boehmite flocculating setting, component includes: to be calculated by mass percentage, water-soluble
Property monomer 30%, ammonium hydroxide 29%, vegetable oil acid 1.7%, solvent 27%, surfactant 2.8%, initiator 0.030%, phase inversion
Agent 3%, remaining be deionized water.
Wherein, water-soluble monomer is acrylic acid and metering system acid blend, wherein the ratio of acrylic acid and methacrylic acid
Example 1:1；Ammonium hydroxide is the industrial ammonia of 25wt% concentration；Solvent is white oil；Surfactant is the mixing of sorbester p17, polysorbate65
Object, wherein sorbester p17 and polysorbate65 mass ratio are 1:1.3；Initiator is that azo two is fine different heptan；Phase inversion agent is OP-10.
The preparation method of flocculant for boehmite flocculating setting, comprising the following steps:
S1, aqueous phase solution are prepared: acrylic monomers 150g, methacrylic acid 150g and deionized water being stirred mixed
It closes, adds ammonium hydroxide 290g and adjust pH to 7.2, stir 120min under the stirring rate of 220r/min, obtain aqueous phase solution；It stirs
The control of reaction process temperature is mixed at 29 DEG C；
S2, reverse micro emulsion prepare: in a kettle be added 12.17g sorbester p17,15.83g polysorbate65,270g white oil,
17g vegetable oil acid stirs 30min under the stirring rate of 200r/min；It will be slowly added in step S1 with good aqueous phase solution
Into reaction kettle, it is uniformly mixed after stirring 40min, obtains uniform oil water mixture；Fine 0.3g in two different heptan of azo is then added,
Emulsifying 30min is carried out, Reverse Microemulsion System is obtained；
Polymerization reaction: S3 is passed through N in the Reverse Microemulsion System obtained to step S2 with the flow of 4L/min240min,
Oxygen is displaced, carries out reaction under deoxygenation conditions；Control causes initial temperature at 23 DEG C, and then controlling temperature curve is in line
Property rises to 48 DEG C, is stirred to react 7h, obtains milky emulsion；Whipping process rate is 290r/min；
S4, phase transfer: after stable reaction, being down to 25 DEG C for milky emulsion temperature obtained in step S3, then plus
Enter 30g OP-10, with the stirring rate of 260r/min, is stirred to react 60min, obtains flocculant.
According to the flocculant that the preparation method of the above-mentioned flocculant for boehmite flocculating setting is prepared, it is used for
The boehmite of Australia import.
The flocculant that the present embodiment obtains, it is 38.21% that detection contains admittedly, apparent viscosity 1460mpa.s, and molecular weight is
18000000；Flocculating setting effectively can be carried out to the ore pulp containing boehmite mine.
The limitation that technical solution of the present invention is not limited to the above specific embodiments, it is all to do according to the technique and scheme of the present invention
Technology deformation out, falls within the scope of protection of the present invention.
Claims (10)
1. a kind of flocculant for boehmite flocculating setting, which is characterized in that its component includes: according to mass percent
It calculates, water-soluble monomer 20%~40%, ammonium hydroxide 20%~30%, solvent 20%~35%, vegetable oil acid 0.8%~2%, table
Face activating agent 2%~3.5%, initiator 0.01%~0.1%, phase inversion agent 0.6%~5%, remaining be deionized water；
The ammonia concn is 20wt%~25wt%.
2. a kind of flocculant for boehmite flocculating setting according to claim 1, it is characterised in that: the water
Soluble monomers are acrylic acid, methacrylic acid, methyl methacrylate, butyl acrylate, maleic acid, vinylbenzenesulfonic acid, third
One or more mixtures of olefin(e) acid methoxy acrylate.
3. a kind of flocculant for boehmite flocculating setting according to claim 1, it is characterised in that: described molten
Agent is one or more mixtures of solvent naphtha, aliphatic hydrocarbon, aromatic hydrocarbons；The solvent naphtha is kerosene, white oil, gasoline, bavin
One or more mixtures of oil；The aliphatic hydrocarbon is one or both of butane, pentane, octane, heptane, hexane
The above mixture；The aromatic hydrocarbons is one or more mixtures of benzene, toluene, ethylbenzene, dimethylbenzene, isopropylbenzene.
4. a kind of flocculant for boehmite flocculating setting according to claim 1, it is characterised in that: the table
Face activating agent is that lipophilic surfactant and hydrophilic surfactant active compound.
5. a kind of flocculant for boehmite flocculating setting according to claim 1, it is characterised in that: described to draw
Hair agent is one or more mixtures of peroxide initiator, redox composite initiator, azo compound；
The peroxide initiator is potassium peroxydisulfate, in ammonium persulfate, sodium peroxydisulfate, hydrogen peroxide, benzoyl peroxide
One or more kinds of mixtures；
The redox composite initiator includes Oxidizing and Reducing Agents；The oxidant is potassium peroxydisulfate, ammonium persulfate, mistake
One or more mixtures of sodium sulphate, hydrogen peroxide, benzoyl peroxide；The reducing agent be sodium hydrogensulfite,
One or more of potassium bisulfite, sodium sulfite, potassium sulfite, sodium pyrosulfite, sodium thiosulfate, frerrous chloride
Mixture；
The azo compound is azodiisobutyronitrile, azobisisovaleronitrile, azobisisoheptonitrile, two isobutyric acid diformazan of azo
One or more mixtures of ester, azo diisobutyl amidine hydrochloride.
6. a kind of flocculant for boehmite flocculating setting according to claim 1, it is characterised in that: the table
Face activating agent is sorbester p17, sorbester p18, span 40, polysorbas20, polysorbate60, polysorbate65, Tween 80, one in OP-10, TX-10
Kind or two or more mixtures.
7. a kind of flocculant for boehmite flocculating setting according to claim 1, it is characterised in that: described turn
Phase agent is polyethoxylated fatty alcohols 13/50, polyethoxylated fatty alcohols 13/80, polyethoxylated fatty alcohols 13/90, OP-
10, one or more mixtures of ammonium thiocyanate.
8. a kind of flocculant for boehmite flocculating setting according to claim 1, which is characterized in that its component
It include: to be calculated by mass percentage, water-soluble monomer 26%~30%, solvent 24%~27%, is planted at ammonium hydroxide 29%~30%
Object oleic acid 1.6%~1.8%, surfactant 2.5%~2.8%, initiator 0.022%~0.04%, phase inversion agent 0.79%
~3%, remaining is deionized water；
The ammonia concn is 20wt%~25wt%.
9. a kind of preparation method of such as described in any item flocculants for boehmite flocculating setting of claim 1-8,
It is characterized by comprising following steps:
S1, aqueous phase solution are prepared: water-soluble monomer being stirred with deionized water and is mixed, ammonium hydroxide is added and adjusts pH to 6.8
~7.5, obtain aqueous phase solution；Process temperature control is stirred to react at 35 DEG C or less；
S2, reverse micro emulsion are prepared: solvent, surfactant, vegetable oil acid being stirred mixing in a kettle；By step
Aqueous phase solution in S1 is slowly added into reaction kettle, is uniformly mixed, and uniform oil water mixture is obtained；It is then added and draws
Agent is sent out, emulsifying is carried out, obtains Reverse Microemulsion System；
Polymerization reaction: S3 is passed through N in the Reverse Microemulsion System obtained to step S22, oxygen is displaced, makes reaction in deoxidation item
It is carried out under part；Control causes initial temperature at 20 DEG C~23 DEG C, then controls temperature curve and linearly rises to 48 DEG C~52 DEG C,
It is stirred to react 5h~7h, obtains milky emulsion；Whipping process rate is 290r/min~350r/min；
S4, phase transfer: after stable reaction, being down to 25~35 DEG C for milky emulsion temperature obtained in step S3, then plus
Enter phase inversion agent, obtains flocculant after being stirred to react.
10. a kind of preparation method of the flocculant according to claim 9 for boehmite flocculating setting is prepared into
The flocculant arrived, it is characterised in that: the flocculant is used for the boehmite of Australia import.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910693924.7A CN110294486A (en) | 2019-07-30 | 2019-07-30 | A kind of flocculant and preparation method for boehmite flocculating setting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910693924.7A CN110294486A (en) | 2019-07-30 | 2019-07-30 | A kind of flocculant and preparation method for boehmite flocculating setting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110294486A true CN110294486A (en) | 2019-10-01 |
Family
ID=68032030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910693924.7A Pending CN110294486A (en) | 2019-07-30 | 2019-07-30 | A kind of flocculant and preparation method for boehmite flocculating setting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110294486A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11228775A (en) * | 1998-02-10 | 1999-08-24 | Hakuto Co Ltd | Stabilized water-in-oil type emulsion polymer |
| CN101544454A (en) * | 2009-05-06 | 2009-09-30 | 东营市诺尔化工有限责任公司 | Method for preparing flocculating agent for red mud precipitation |
| CN104250344A (en) * | 2013-06-28 | 2014-12-31 | 中国石油化工股份有限公司 | Preparation method of polyacrylamide emulsion |
| CN105131160A (en) * | 2015-09-22 | 2015-12-09 | 焦作市宏达力生物化工有限公司 | Method for synthesizing amine polyacrylate phase inverse emulsion flocculating agent |
| CN106632802A (en) * | 2016-12-09 | 2017-05-10 | 安徽天润化学工业股份有限公司 | Preparation method of aluminum ore red mud sedimentation flocculating agent |
-
2019
- 2019-07-30 CN CN201910693924.7A patent/CN110294486A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11228775A (en) * | 1998-02-10 | 1999-08-24 | Hakuto Co Ltd | Stabilized water-in-oil type emulsion polymer |
| CN101544454A (en) * | 2009-05-06 | 2009-09-30 | 东营市诺尔化工有限责任公司 | Method for preparing flocculating agent for red mud precipitation |
| CN104250344A (en) * | 2013-06-28 | 2014-12-31 | 中国石油化工股份有限公司 | Preparation method of polyacrylamide emulsion |
| CN105131160A (en) * | 2015-09-22 | 2015-12-09 | 焦作市宏达力生物化工有限公司 | Method for synthesizing amine polyacrylate phase inverse emulsion flocculating agent |
| CN106632802A (en) * | 2016-12-09 | 2017-05-10 | 安徽天润化学工业股份有限公司 | Preparation method of aluminum ore red mud sedimentation flocculating agent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110483687B (en) | Fracturing fluid thickening agent and preparation method thereof | |
| JP4660193B2 (en) | Modified polymer flocculant with improved performance characteristics | |
| EP0789669B1 (en) | Blends of hydroxamated polymer emulsions with polyacrylate emulsions | |
| CN103525379A (en) | Polymer nano-silica temperature-resistant, salt-tolerant and fluid loss reducing agent and preparation method thereof | |
| CN110563876B (en) | Hydrophobic association anionic polyacrylamide water-in-oil emulsion and preparation method thereof | |
| US20240067761A1 (en) | Invert emulsion having double particle size distribution, preparation method therefor and use thereof | |
| WO2017182568A1 (en) | Amphoteric polymer, process for production thereof, and use thereof, to treat aqueous dispersions | |
| CN106519136B (en) | Inverse emulsion polymer, preparation method thereof and application thereof in preparation of water-based drilling fluid | |
| CN105199036A (en) | Ammonium acrylate/acrylamide copolymerized emulsion flocculant and preparation method thereof | |
| CN104004130A (en) | Composite macromolecular sludge dehydrating agent and preparation method thereof | |
| CN101845105A (en) | Synthetic method of inverse emulsion of polyacrylamide | |
| KR100428638B1 (en) | Method for preparing of high macromolecule latex resin powder | |
| JPS60122011A (en) | Flocculation of coal particle and slime | |
| CN101235111B (en) | Technique for preparing high solid-content low oil-water ratio water-soluble polymer reversed phase emulsion | |
| CN105199027A (en) | Ammonium polyacrylate emulsion flocculating agent and preparation method thereof | |
| US6036869A (en) | Water continuous methyl acrylate emulsion polymers for improved flocculation of red mud in the Bayer process | |
| CN110294486A (en) | A kind of flocculant and preparation method for boehmite flocculating setting | |
| CN110127810A (en) | A kind of preparation method of quaternary compound demulsifying coagulant and products thereof and application | |
| US4539368A (en) | Technology for the production of inverse emulsion polymers | |
| CN107082844B (en) | For ore dressing and the amphoteric polyacrylamide flocculating agent and preparation method of tailings glass | |
| CN101591415B (en) | Iso-hydroxamic modified polyacrylamide and preparation method thereof | |
| AU784009B2 (en) | Method for producing substantially dry water-insoluble polymers for improved flocculation in the bayer process | |
| CN104418973A (en) | Method for preparing polyacrylamide emulsion | |
| CN106590591A (en) | Oil displacement agent composition used for oil recovery, and preparation method thereof | |
| CN104250344A (en) | Preparation method of polyacrylamide emulsion |
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 |