CN108276607A - A kind of Phosphogypsum-modifymethod method - Google Patents
A kind of Phosphogypsum-modifymethod method Download PDFInfo
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- CN108276607A CN108276607A CN201810143006.2A CN201810143006A CN108276607A CN 108276607 A CN108276607 A CN 108276607A CN 201810143006 A CN201810143006 A CN 201810143006A CN 108276607 A CN108276607 A CN 108276607A
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- phosphogypsum
- modifymethod
- coupling agent
- ardealite
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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
- 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
-
- 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
Abstract
The invention discloses a kind of 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）Titanate coupling agent, aluminate coupling agent, atoleine and stearic acid is added into C product successively, continues heating stirring processing, finally obtains modified ardealite.The present invention has modified ardealite surface property good, and method of modifying is simple, feature with obvious effects.
Description
Technical field
The present invention relates to a kind of ardealite processing method, especially a kind of 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 Phosphogypsum-modifymethod method, so as to improve ardealite
Surface property, and then expand the comprehensive Utilization Ways of ardealite.
Invention content
The object of the present invention is to provide a kind of Phosphogypsum-modifymethod methods.The present invention has modified ardealite superficiality
Can be good, and method of modifying is simple, feature with obvious effects.
Technical scheme of the present invention：A kind of 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）Titanate coupling agent, aluminate coupling agent, atoleine and stearic acid is added into C product successively, continues to heat
Stir process finally obtains modified ardealite.
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 110-130 DEG C, after heating stirring handles 60-80min, obtain C
Product；
4）Titanate coupling agent, aluminate coupling agent, atoleine and stearic acid is added into C product successively, continues to heat
Stir process, and controlled at 90-110 DEG C, heating stirring handles 40-60min, finally obtains modified ardealite.
Phosphogypsum-modifymethod method above-mentioned, the step 1）In, it is the vibrating screen that 400 mesh are crossed after grinding ardealite.
Phosphogypsum-modifymethod method above-mentioned, the step 2）In, the pH value of mixture is 10.
Phosphogypsum-modifymethod method above-mentioned, the step 3）In, whipping temp is 120 DEG C, mixing time 70min.
Phosphogypsum-modifymethod method above-mentioned, the step 4）In, titanate coupling agent accounts for the 0.5-1% of C quality, aluminic acid
Ester coupling agent accounts for the 0.5-1% of C quality, atoleine accounts for the 0.5% of C quality, stearic acid and accounts for the 1-2% of C quality.
Phosphogypsum-modifymethod method above-mentioned, the step 4）In, titanate coupling agent, aluminate coupling agent and stearic acid are
Solid particle.
Phosphogypsum-modifymethod method above-mentioned, the step 4）In, titanate coupling agent, aluminate coupling agent and stearic acid add
It is fashionable respectively with the industrial alcohol of equal quality dilute after be added.
Phosphogypsum-modifymethod method above-mentioned, the step 4）In, heating temperature is 100 DEG C, heating time 50min.
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.Experiments have shown that：Conventional process
There are agglomeration, 45 microns of testing sieve residue on sieves to be typically larger than 3% for modified ardealite made from method.It is produced by the present invention to change
Property ardealite is tested with 45 microns of testing sieves, residue on sieve≤0.3%, activation grade mass fraction >=90%, oil absorption≤70mL/
100g is met 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 for process, but the effect reached is clearly.
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 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 120 DEG C, after heating stirring handles 70min, obtain C product；
4）Successively into C product be added mass parts be 0.75% titanate coupling agent, mass parts be 0.75% aluminate coupling agent,
The stearic acid that the atoleine and mass parts that mass parts are 0.5% are 1.5%, before addition, the quality such as above-mentioned additive is used respectively
Industrial alcohol dilutes, and continues heating stirring processing, and controlled at 100 DEG C, heating stirring handles 50min, finally
To modified ardealite.
Embodiment 2：A kind of 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 110 DEG C, after heating stirring handles 60min, obtain C product；
4）Successively into C product be added mass parts be 1% titanate coupling agent, mass parts be 1% aluminate coupling agent, mass parts
The stearic acid that atoleine and mass parts for 0.5% are 1%, before addition, the industrial alcohol for the quality such as above-mentioned additive is used respectively
Dilution continues heating stirring processing, and controlled at 90 DEG C, heating stirring handles 40min, finally obtains modified phosphorus stone
Cream.
Embodiment 3：A kind of 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 115 DEG C, after heating stirring handles 65min, obtain C product；
4）Successively into C product be added mass parts be 0.65% titanate coupling agent, mass parts be 0.65% aluminate coupling agent,
The stearic acid that the atoleine and mass parts that mass parts are 0.5% are 1.25%, before addition, the quality such as above-mentioned additive is used respectively
Industrial alcohol dilutes, and continues heating stirring processing, and controlled at 95 DEG C, heating stirring handles 45min, finally obtains
Modified ardealite.
Embodiment 4：A kind of 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 125 DEG C, after heating stirring handles 75min, obtain C product；
4）Successively into C product be added mass parts be 0.9% titanate coupling agent, mass parts be 0.9% aluminate coupling agent, matter
The atoleine that part is 0.5% and the stearic acid that mass parts are 1.75% are measured, before addition, the work for the quality such as above-mentioned additive is used respectively
Industry ethyl alcohol dilutes, and continues heating stirring processing, and controlled at 105 DEG C, heating stirring handles 55min, finally obtains
Modified ardealite.
Embodiment 5：A kind of 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 130 DEG C, after heating stirring handles 80min, obtain C product；
4）Successively into C product be added mass parts be 0.5% titanate coupling agent, mass parts be 0.5% aluminate coupling agent, matter
The atoleine that part is 0.5% and the stearic acid that mass parts are 2% are measured, before addition, the industry for the quality such as above-mentioned additive is used respectively
Ethyl alcohol dilutes, and continues heating stirring processing, and controlled at 110 DEG C, heating stirring handles 60min, finally obtains and changes
Property ardealite.
Claims (9)
1. a kind of 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）Titanate coupling agent, aluminate coupling agent, atoleine and stearic acid is added into C product successively, continues to heat
Stir process finally obtains modified ardealite.
2. 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 110-130 DEG C, after heating stirring handles 60-80min, obtain C
Product；
4）Titanate coupling agent, aluminate coupling agent, atoleine and stearic acid is added into C product successively, continues to heat
Stir process, and controlled at 90-110 DEG C, heating stirring handles 40-60min, finally obtains modified ardealite.
3. Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 1）In, it is by ardealite
The vibrating screen of 400 mesh is crossed after grinding.
4. Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 2）In, the pH of mixture
Value is 10.
5. Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 3）In, whipping temp is
120 DEG C, mixing time 70min.
6. Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 4）In, titanate esters coupling
Agent accounts for the 0.5-1% of C quality, aluminate coupling agent accounts for the 0.5-1% of C quality, atoleine account for C quality 0.5%, it is hard
Resin acid accounts for the 1-2% of C quality.
7. Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 4）In, titanate esters coupling
Agent, aluminate coupling agent and stearic acid are solid particle.
8. Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 4）In, titanate esters coupling
It is added after being diluted respectively with the industrial alcohol of equal quality when agent, aluminate coupling agent and stearic acid are added.
9. Phosphogypsum-modifymethod method according to claim 1 or 2, it is characterised in that：The step 4）In, heating temperature is
100 DEG C, heating time 50min.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111592691A (en) * | 2020-05-25 | 2020-08-28 | 贵州利东环保科技有限公司 | Phosphogypsum filled plastic modified particle and preparation method thereof |
| CN114479189A (en) * | 2022-02-09 | 2022-05-13 | 潍坊洪流橡塑填料有限公司 | Process for producing rubber reinforcing filler by using papermaking waste white mud dry method |
| CN114752112A (en) * | 2022-04-29 | 2022-07-15 | 贵州开磷磷石膏综合利用有限公司 | Application of modified phosphogypsum in preparation of degradable flower mud |
| CN114854231A (en) * | 2021-06-10 | 2022-08-05 | 武汉盼云晴环保科技有限公司 | Modified phosphogypsum and preparation method thereof |
| CN115109314A (en) * | 2022-05-26 | 2022-09-27 | 贵州开磷磷石膏综合利用有限公司 | Modified phosphogypsum and preparation method thereof |
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| 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 |
| 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 |
| CN106006696A (en) * | 2016-05-12 | 2016-10-12 | 贵州开磷磷石膏综合利用有限公司 | Fabrication method and application of gypsum micro powder |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111592691A (en) * | 2020-05-25 | 2020-08-28 | 贵州利东环保科技有限公司 | Phosphogypsum filled plastic modified particle and preparation method thereof |
| CN114854231A (en) * | 2021-06-10 | 2022-08-05 | 武汉盼云晴环保科技有限公司 | Modified phosphogypsum and preparation method thereof |
| CN114479189A (en) * | 2022-02-09 | 2022-05-13 | 潍坊洪流橡塑填料有限公司 | Process for producing rubber reinforcing filler by using papermaking waste white mud dry method |
| CN114752112A (en) * | 2022-04-29 | 2022-07-15 | 贵州开磷磷石膏综合利用有限公司 | Application of modified phosphogypsum in preparation of degradable flower mud |
| CN114752112B (en) * | 2022-04-29 | 2024-03-19 | 贵州开磷磷石膏综合利用有限公司 | Application of modified phosphogypsum in preparation of degradable flower mud |
| CN115109314A (en) * | 2022-05-26 | 2022-09-27 | 贵州开磷磷石膏综合利用有限公司 | Modified phosphogypsum and preparation method thereof |
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Application publication date: 20180713 |