CN108192135A - A kind of filler modified method of simple ardealite - Google Patents
A kind of filler modified method of simple ardealite Download PDFInfo
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- CN108192135A CN108192135A CN201810142463.XA CN201810142463A CN108192135A CN 108192135 A CN108192135 A CN 108192135A CN 201810142463 A CN201810142463 A CN 201810142463A CN 108192135 A CN108192135 A CN 108192135A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of simple filler modified methods of ardealite, include the following steps:1)Ardealite is placed in grinder and is ground, is sieved after grinding, obtains A product;2)A product are put into quick lime in agitating heater and are stirred and evenly mixed, the pH value of mixture is adjusted in alkalinity, obtains B product;3)B product are subjected to heating stirring processing, obtain C product;4)Aluminate coupling agent and stearic acid are added in into C product successively, continues heating stirring processing, finally obtains modified ardealite.The present invention has the characteristics of modified ardealite surface property is good, and method of modifying is simple, with obvious effects.
Description
Technical field
The present invention relates to a kind of ardealite processing method, particularly a kind of filler modified method of simple ardealite.
Background technology
Ardealite is the solid waste of Phosphate Fertilizer Industry, generally often produces 1 ton of phosphoric acid and about generates 5-6 tons of ardealites, often gives birth to
1 ton of Diammonium phosphate (DAP) of production discharges 2.5-5 tons of ardealites.At present, external or domestic, the comprehensive utilization ratio of ardealite all compares
It is low, it is main to be handled by the way of stockpiling.China's ardealite adds up nearly hundred million tons of discharge capacity, is one of discharge capacity maximum in gypsum offscum
Kind, the phosphogypsum slag of discharge occupies a large amount of soils, forms slag mountain, seriously pollutes environment.
The yield of ardealite is very big at present, but its utilization rate is very low.The reason of causing ardealite utilization rate low, has very much, but
Most importantly ardealite surface property is poor, causes its utilization ways relatively simple.Divided by the performance to ardealite
Analysis and understand, this researcher explores that a kind of equipment is simple, the lower-cost simple filler modified method of ardealite, so as to change
The surface property of kind ardealite, and then expand the comprehensive Utilization Ways of ardealite.
Invention content
The object of the present invention is to provide a kind of simple filler modified methods of ardealite.The present invention has modified phosphorus
Gypsum surface performance is good, and method of modifying is simple, it is with obvious effects the characteristics of.
Technical scheme of the present invention:A kind of filler modified method of simple ardealite, includes the following steps:
1)Ardealite is placed in grinder and is ground, is sieved after grinding, obtains A product;
2)A product are put into quick lime in agitating heater and are stirred and evenly mixed, the pH value of mixture is adjusted in alkalinity, obtains B product;
3)B product are subjected to heating stirring processing, obtain C product;
4)Aluminate coupling agent and stearic acid are added in into C product successively, continues heating stirring processing, finally obtains modified phosphorus
Gypsum.
The aforementioned filler modified method of simple ardealite, includes the following steps:
1)Ardealite is placed in grinder and is ground, is sieved after grinding, obtains A product;
2)A product are put into quick lime in agitating heater and are stirred and evenly mixed, the pH value for adjusting mixture is 9-11, obtains B product;
3)B product are subjected to heating stirring processing, and controlled at 100-120 DEG C, after heating stirring handles 40-60min, obtain C
Product;
4)Aluminate coupling agent and stearic acid are added in into C product successively, continues heating stirring and handles, and controlled at
90-100 DEG C, heating stirring processing 30-50min finally obtains modified ardealite.
The aforementioned filler modified method of simple ardealite, the step 1)In, it is that 400 purposes are crossed after ardealite is ground
Vibrating screen.
The aforementioned filler modified method of simple ardealite, the step 2)In, the pH value of mixture is 10.
The aforementioned filler modified method of simple ardealite, the step 3)In, whipping temp is 110 DEG C, mixing time
For 50min.
The aforementioned filler modified method of simple ardealite, the step 4)In, aluminate coupling agent accounts for the 1- of C quality
2.5%, stearic acid accounts for the 0.5-1.5% of C quality.
The aforementioned filler modified method of simple ardealite, the step 4)In, aluminate coupling agent and stearic acid are solid
Body particle.
The aforementioned filler modified method of simple ardealite, the step 4)In, heating temperature is 95 DEG C, and heating time is
40min。
Beneficial effects of the present invention
1st, ardealite is modified processing by the present invention by the above method, and the modified obtained surface property of ardealite obtains
It greatly improves, extends its application in industrial aspect, improve the utility value of ardealite.Made from traditional treatment method
There are agglomerations for modified ardealite, and 45 microns of testing sieve residue on sieves are typically larger than 3%, while activation grade mass fraction is relatively low.This
Modified ardealite made from invention is tested with 45 microns of testing sieves, residue on sieve≤2%, activation grade mass fraction >=90%, oil suction
Amount≤69mL/100g, meets the requirements of the standard, and the prepared filler that can be used as the plastic products such as PVC, PP uses.
2nd, for method of the invention in processing, equipment requirement is low, simple for process, but the effect reached is clearly.
Specific embodiment
With reference to embodiment, the present invention is further illustrated, but is not intended as the foundation limited the present invention.
The embodiment of the present invention
Embodiment 1:A kind of filler modified method of simple ardealite, step are as follows:
1)Ardealite is placed in grinder and is ground, 400 mesh sieve is crossed after grinding, obtains A product;
2)A product are put into quick lime in agitating heater and are stirred and evenly mixed, the pH value for adjusting mixture is 10, obtains B product;
3)B product are subjected to heating stirring processing, and controlled at 110 DEG C, after heating stirring handles 50min, obtain C product;
4)The stearic acid that mass parts are 1.7% aluminate coupling agent and mass parts are 1% is added in into C product successively, continues to add
Thermal agitation is handled, and controlled at 95 DEG C, heating stirring processing 40min finally obtains modified ardealite.
Embodiment 2:A kind of filler modified method of simple ardealite, step are as follows:
1)Ardealite is placed in grinder and is ground, 400 mesh sieve is crossed after grinding, obtains A product;
2)A product are put into quick lime in agitating heater and are stirred and evenly mixed, the pH value for adjusting mixture is 9, obtains B product;
3)B product are subjected to heating stirring processing, and controlled at 100 DEG C, after heating stirring handles 40min, obtain C product;
4)The stearic acid that mass parts are 1% aluminate coupling agent and mass parts are 1.5% is added in into C product successively, continues to add
Thermal agitation is handled, and controlled at 90 DEG C, heating stirring processing 30min finally obtains modified ardealite.
Embodiment 3:A kind of filler modified method of simple ardealite, step are as follows:
1)Ardealite is placed in grinder and is ground, 400 mesh sieve is crossed after grinding, obtains A product;
2)A product are put into quick lime in agitating heater and are stirred and evenly mixed, the pH value for adjusting mixture is 9.5, obtains B product;
3)B product are subjected to heating stirring processing, and controlled at 105 DEG C, after heating stirring handles 45min, obtain C product;
4)The stearic acid that mass parts are 1.5% aluminate coupling agent and mass parts are 1.2% is added in into C product successively, is continued
Heating stirring processing, and controlled at 95 DEG C, heating stirring processing 35min finally obtains modified ardealite.
Embodiment 4:A kind of filler modified method of simple ardealite, step are as follows:
1)Ardealite is placed in grinder and is ground, 400 mesh sieve is crossed after grinding, obtains A product;
2)A product are put into quick lime in agitating heater and are stirred and evenly mixed, the pH value for adjusting mixture is 10.5, obtains B product;
3)B product are subjected to heating stirring processing, and controlled at 115 DEG C, after heating stirring handles 55min, obtain C product;
4)The stearic acid that mass parts are 2% aluminate coupling agent and mass parts are 0.8% is added in into C product successively, continues to add
Thermal agitation is handled, and controlled at 98 DEG C, heating stirring processing 45min finally obtains modified ardealite.
Embodiment 5:A kind of filler modified method of simple ardealite, step are as follows:
1)Ardealite is placed in grinder and is ground, 400 mesh sieve is crossed after grinding, obtains A product;
2)A product are put into quick lime in agitating heater and are stirred and evenly mixed, the pH value for adjusting mixture is 11, obtains B product;
3)B product are subjected to heating stirring processing, and controlled at 120 DEG C, after heating stirring handles 60min, obtain C product;
4)The stearic acid that mass parts are 2.5% aluminate coupling agent and mass parts are 0.5% is added in into C product successively, is continued
Heating stirring processing, and controlled at 100 DEG C, heating stirring processing 50min finally obtains modified ardealite.
Claims (8)
- A kind of 1. filler modified method of simple ardealite, which is characterized in that include the following steps:1)Ardealite is placed in grinder and is ground, is sieved after grinding, obtains A product;2)A product are put into quick lime in agitating heater and are stirred and evenly mixed, the pH value of mixture is adjusted in alkalinity, obtains B product;3)B product are subjected to heating stirring processing, obtain C product;4)Aluminate coupling agent and stearic acid are added in into C product successively, continues heating stirring processing, finally obtains modified phosphorus Gypsum.
- 2. the filler modified method of simple ardealite according to claim 1, which is characterized in that include the following steps:1)Ardealite is placed in grinder and is ground, is sieved after grinding, obtains A product;2)A product are put into quick lime in agitating heater and are stirred and evenly mixed, the pH value for adjusting mixture is 9-11, obtains B product;3)B product are subjected to heating stirring processing, and controlled at 100-120 DEG C, after heating stirring handles 40-60min, obtain C Product;4)Aluminate coupling agent and stearic acid are added in into C product successively, continues heating stirring and handles, and controlled at 90-100 DEG C, heating stirring processing 30-50min finally obtains modified ardealite.
- 3. the filler modified method of simple ardealite according to claim 1 or 2, it is characterised in that:The step 1)In, It is the vibrating screen that 400 mesh are crossed after ardealite is ground.
- 4. the filler modified method of simple ardealite according to claim 1 or 2, it is characterised in that:The step 2)In, The pH value of mixture is 10.
- 5. the filler modified method of simple ardealite according to claim 1 or 2, it is characterised in that:The step 3)In, Whipping temp is 110 DEG C, mixing time 50min.
- 6. the filler modified method of simple ardealite according to claim 1 or 2, it is characterised in that:The step 4)In, Aluminate coupling agent accounts for the 1-2.5% of C quality, and stearic acid accounts for the 0.5-1.5% of C quality.
- 7. the filler modified method of simple ardealite according to claim 1 or 2, it is characterised in that:The step 4)In, Aluminate coupling agent and stearic acid are solid particle.
- 8. the filler modified method of simple ardealite according to claim 1 or 2, it is characterised in that:The step 4)In, Heating temperature is 95 DEG C, heating time 40min.
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101844884A (en) * | 2009-03-27 | 2010-09-29 | 瓮福(集团)有限责任公司 | Hydrophobic phosphogypsum, and preparation method and application thereof |
CN103435937A (en) * | 2013-08-28 | 2013-12-11 | 贵州开磷遵义碱厂 | Method for using phosphogypsum as polyvinyl chloride resin filler |
CN105348862A (en) * | 2015-11-29 | 2016-02-24 | 贵州开磷集团股份有限公司 | Treatment method for phosphogypsum used for PVC (polyvinyl chloride) material production |
CN105482503A (en) * | 2015-11-29 | 2016-04-13 | 贵州开磷集团股份有限公司 | Modification method of phosphogypsum for PVC material production |
CN106009777A (en) * | 2016-05-12 | 2016-10-12 | 贵州开磷磷石膏综合利用有限公司 | Superfine active anhydrite micro powder and preparation method thereof |
-
2018
- 2018-02-11 CN CN201810142463.XA patent/CN108192135A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101844884A (en) * | 2009-03-27 | 2010-09-29 | 瓮福(集团)有限责任公司 | Hydrophobic phosphogypsum, and preparation method and application thereof |
CN103435937A (en) * | 2013-08-28 | 2013-12-11 | 贵州开磷遵义碱厂 | Method for using phosphogypsum as polyvinyl chloride resin filler |
CN105348862A (en) * | 2015-11-29 | 2016-02-24 | 贵州开磷集团股份有限公司 | Treatment method for phosphogypsum used for PVC (polyvinyl chloride) material production |
CN105482503A (en) * | 2015-11-29 | 2016-04-13 | 贵州开磷集团股份有限公司 | Modification method of phosphogypsum for PVC material production |
CN106009777A (en) * | 2016-05-12 | 2016-10-12 | 贵州开磷磷石膏综合利用有限公司 | Superfine active anhydrite micro powder and preparation method thereof |
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Application publication date: 20180622 |