CN108359275A - A kind of simple Phosphogypsum-modifymethod method - Google Patents
A kind of simple Phosphogypsum-modifymethod method Download PDFInfo
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- CN108359275A CN108359275A CN201810143009.6A CN201810143009A CN108359275A CN 108359275 A CN108359275 A CN 108359275A CN 201810143009 A CN201810143009 A CN 201810143009A CN 108359275 A CN108359275 A CN 108359275A
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- phosphogypsum
- modifymethod
- ardealite
- heating stirring
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/025—Calcium sulfates
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Processing Of Solid Wastes (AREA)
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Abstract
The invention discloses a kind of simple Phosphogypsum-modifymethod methods, include the following steps：1）Ardealite is placed in grinder and is ground, is sieved after grinding, A product are obtained；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）Stearic acid is added into C product, continues heating stirring processing, finally obtains modified ardealite.The present invention has modified ardealite surface property good, and method of modifying is simple, feature at low cost, with obvious effects.
Description
Technical field
The present invention relates to a kind of ardealite processing method, especially a kind of simple Phosphogypsum-modifymethod method.
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.Currently, no matter 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 discharge capacity maximum one 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 for 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, lower-cost simple Phosphogypsum-modifymethod method, so as to improve phosphorus
The surface property of gypsum, and then expand the comprehensive Utilization Ways of ardealite.
Invention content
The object of the present invention is to provide a kind of simple Phosphogypsum-modifymethod methods.The present invention has modified ardealite
Surface property is good, and method of modifying is simple, at low cost, feature with obvious effects.
Technical scheme of the present invention：A kind of simple Phosphogypsum-modifymethod method, includes the following steps：
1）Ardealite is placed in grinder and is ground, is sieved after grinding, A product are obtained；
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）Be added stearic acid into C product, be added after being diluted respectively with the industrial alcohol of equal quality when stearic acid is added, continue into
The processing of row heating stirring, finally obtains modified ardealite.
Simple Phosphogypsum-modifymethod method above-mentioned, includes the following steps：
1）Ardealite is placed in grinder and is ground, is sieved after grinding, A product are obtained；
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 60-80min, obtain C
Product；
4）Be added stearic acid into C product, be added after being diluted respectively with the industrial alcohol of equal quality when stearic acid is added, continue into
The processing of row heating stirring, and controlled at 90-100 DEG C, heating stirring handles 30-50min, finally obtains modified ardealite.
Simple Phosphogypsum-modifymethod method above-mentioned, the step 1）In, it is the vibration that 400 mesh are crossed after grinding ardealite
Sieve.
Simple Phosphogypsum-modifymethod method above-mentioned, the step 2）In, the pH value of mixture is 10.
Simple Phosphogypsum-modifymethod method above-mentioned, the step 3）In, whipping temp is 110 DEG C, and mixing time is
70min。
Simple Phosphogypsum-modifymethod method above-mentioned, the step 4）In, stearic acid accounts for the 1.5-3% of C quality.
Simple Phosphogypsum-modifymethod method above-mentioned, the step 4）In, stearic acid is solid particle.
Simple Phosphogypsum-modifymethod method above-mentioned, the step 4）In, heating temperature is 95 DEG C, and heating time is
40min。
Beneficial effects of the present invention
1, ardealite is modified processing by the present invention by the above method, and the surface property of modified obtained 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
Invention modified ardealite obtained is tested with 45 microns of testing sieves, and residue on sieve≤0.3%, activation grade mass fraction >=90% is inhaled
Oil mass≤68mL/100g, meets the requirements of the standard, and the prepared filler that can be used as the plastic products such as PVC, PP uses.
2, for method of the invention in processing, equipment requirement is low, simple process and low cost, but the effect reached is very bright
It is aobvious.
Specific implementation mode
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 simple Phosphogypsum-modifymethod method, steps 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 70min, obtain C product；
4）The stearic acid that mass parts are 2.25% is added into C product, before addition, the industrial alcohol for the quality such as stearic acid is used respectively is dilute
It releases, continues heating stirring processing, and controlled at 95 DEG C, heating stirring handles 40min, finally obtains modified phosphorus stone
Cream.
Embodiment 2：A kind of simple Phosphogypsum-modifymethod method, steps 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 60min, obtain C product；
4）The stearic acid that mass parts are 1.5% is added into C product, before addition, the industrial alcohol for the quality such as stearic acid is used respectively is dilute
It releases, continues heating stirring processing, and controlled at 90 DEG C, heating stirring handles 30min, finally obtains modified phosphorus stone
Cream.
Embodiment 3：A kind of simple Phosphogypsum-modifymethod method, steps 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 65min, obtain C product；
4）The stearic acid that mass parts are 1.9% is added into C product, before addition, the industrial alcohol for the quality such as stearic acid is used respectively is dilute
It releases, continues heating stirring processing, and controlled at 95 DEG C, heating stirring handles 35min, finally obtains modified phosphorus stone
Cream.
Embodiment 4：A kind of simple Phosphogypsum-modifymethod method, steps 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 75min, obtain C product；
4）The stearic acid that mass parts are 2.5% is added into C product, before addition, the industrial alcohol for the quality such as stearic acid is used respectively is dilute
It releases, continues heating stirring processing, and controlled at 98 DEG C, heating stirring handles 45min, finally obtains modified phosphorus stone
Cream.
Embodiment 5：A kind of simple Phosphogypsum-modifymethod method, steps 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 80min, obtain C product；
4）The stearic acid that mass parts are 3% is added into C product, before addition, the industrial alcohol dilution for the quality such as stearic acid is used respectively,
Continue heating stirring processing, and controlled at 100 DEG C, heating stirring handles 50min, finally obtains modified phosphorus stone.
Claims (8)
1. a kind of simple Phosphogypsum-modifymethod method, which is characterized in that include the following steps：
1）Ardealite is placed in grinder and is ground, is sieved after grinding, A product are obtained；
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）Be added stearic acid into C product, be added after being diluted respectively with the industrial alcohol of equal quality when stearic acid is added, continue into
The processing of row heating stirring, finally obtains modified ardealite.
2. simple Phosphogypsum-modifymethod method 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, A product are obtained；
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 60-80min, obtain C
Product；
4）Into C product be added stearic acid stearic acid be added when respectively with the industrial alcohol of equal quality dilute after be added, continue into
The processing of row heating stirring, and controlled at 90-100 DEG C, heating stirring handles 30-50min, finally obtains modified ardealite.
3. simple Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 1）In, be by
The vibrating screen of 400 mesh is crossed after ardealite grinding.
4. simple Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 2）In, mixing
The pH value of object is 10.
5. simple Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 3）In, stirring
Temperature is 110 DEG C, mixing time 70min.
6. simple Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 4）In, it is stearic
Acid accounts for the 1.5-3% of C quality.
7. simple Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 4）In, it is stearic
Acid is solid particle.
8. simple Phosphogypsum-modifymethod method 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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| CN201810143009.6A CN108359275A (en) | 2018-02-11 | 2018-02-11 | A kind of simple Phosphogypsum-modifymethod method |
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| CN201810143009.6A CN108359275A (en) | 2018-02-11 | 2018-02-11 | A kind of simple Phosphogypsum-modifymethod method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113527911A (en) * | 2021-07-22 | 2021-10-22 | 贵州大学 | Phosphogypsum surface hydroxylation and hydrophobic modification method and phosphogypsum |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234858A (en) * | 2007-01-31 | 2008-08-06 | 王宝林 | Modification method for phosphogypsum and application thereof |
| CN101565293A (en) * | 2009-06-04 | 2009-10-28 | 何昌霖 | Modified phosphogypsum and preparation method thereof |
| 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 |
| 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 |
-
2018
- 2018-02-11 CN CN201810143009.6A patent/CN108359275A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234858A (en) * | 2007-01-31 | 2008-08-06 | 王宝林 | Modification method for phosphogypsum and application thereof |
| 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 |
| CN101565293A (en) * | 2009-06-04 | 2009-10-28 | 何昌霖 | Modified phosphogypsum and preparation method thereof |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113527911A (en) * | 2021-07-22 | 2021-10-22 | 贵州大学 | Phosphogypsum surface hydroxylation and hydrophobic modification method and phosphogypsum |
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Application publication date: 20180803 |