CN1271708A - Process for preparing silicon fertilizer from waste dregs of aluminium sulfate - Google Patents
Process for preparing silicon fertilizer from waste dregs of aluminium sulfate Download PDFInfo
- Publication number
- CN1271708A CN1271708A CN 99114175 CN99114175A CN1271708A CN 1271708 A CN1271708 A CN 1271708A CN 99114175 CN99114175 CN 99114175 CN 99114175 A CN99114175 A CN 99114175A CN 1271708 A CN1271708 A CN 1271708A
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- Prior art keywords
- fertilizer
- waste
- waste residue
- siliceous
- technology
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
A process for preparing silicon fertilizer features that the silicon-contained waste dregs generated in preparing procedure of aluminium sulfate is used as raw material which reacts on alkali to result in said silicon fertilizer. Its advantages are simple process and low cost.
Description
The present invention relates to a kind of technology of preparing silicon fertilizer from waste dregs of aluminium sulfate.
The factory that produces at present Tai-Ace S 150 mostly abandons aluminum sulfate dregs, uses it for deep processing washing composition etc. after having only indivedual factories therefrom to carry the dispense liquid water glass.In fact, mostly contain 30～70% the siO of having an appointment in these siliceous waste residues
2, but all be difficult to directly be absorbed by plant.
The objective of the invention is to provide a kind of technology of preparing silicon fertilizer from waste dregs of aluminium sulfate, this production technique is not only simple, and production cost is low, and helps utilization of waste material.
First kind of process program of the present invention is: 1) adopting the siliceous waste residue after producing the Tai-Ace S 150 operation is raw material; 2) adding solid base mixes thoroughly; 3) reaction made siliceous fertilizer more than five minutes under 20-110 Celsius ℃.
Second kind of process program of the present invention is: 1) adopting the siliceous waste residue after producing the Tai-Ace S 150 operation is raw material; 2) above-mentioned siliceous waste residue being dropped into concentration is to stir evenly in the alkali lye more than 1%; 3) reacted 5 minutes to 5 hours down in 20～110 ℃ Celsius.For the intensified response effect, after can flooding, the siliceous waste residue in the input alkali lye reacts again.After the reaction, liquid can be leached, as washing composition and binding agent, the waste residue of gained is siliceous fertilizer; Also can be with the solution of gained and waste residue together as siliceous fertilizer.
Alkali described in above-mentioned first kind and the second kind of process program can be potassium hydroxide or sodium hydroxide.Described waste residue is that all contain the waste residue after aluminium silicon composition raw material makes Tai-Ace S 150, as aluminium vanadine waste residue, bauxite waste residue; The kaolin waste residue, or the alunite waste residue etc.
Can make various composite fertilizers if in the siliceous fertilizer that above-mentioned technology makes, add various infrastructure elements and the trace elements that help crop growth.Show that through province's academy of agricultural sciences's agricultural experiment the composite fertilizer that application technology of the present invention makes contrasts with similar not siliceous composite fertilizer, can increase production to reach 6-20%.This fertilizer can be widely used in the plantation of plants such as paddy rice, wheat, sugarcane, vegetables Lay, fruit tree, watermelon, grape.
The present invention reacts owing to add solid-state or liquid alkali in siliceous aluminum sulfate dregs, so can be converted into the siO that helps crop absorption to the silicon-dioxide major part in the aluminum sulfate dregs
2Thereby it is simple to make technology, the siliceous fertilizer that cost is low.
Below in conjunction with embodiment the present invention is specifically described
Embodiments of the invention one are:
Containing siO
2Be to add 8 kilograms of solid sodium hydroxides in " aluminum sulfate dregs " 100 kilograms more than 20%, at room temperature place after stirring to make in three days and contain effective siO
2Be 100 kilograms of about 16% siliceous fertilizers.Also can add 20 kilograms of Repone K in this siliceous fertilizer again gets 120 kg and contains K about 10%
2O and contain about 13% effective siO
2Solid state si potash fertilizer.
Embodiments of the invention two are:
Containing siO
2Be to add 15 kilograms of solid potassium hydroxide in " aluminum sulfate dregs " 100 kilograms more than 20%, at room temperature stir the companion evenly, place to make in two days and contain effective siO
2Be about 16% and contain K
2O is about 11% Si-K fertilizer 105 kg.Also can in this Si-K fertilizer, mix to contain P again
2O
5Be 80 kilograms in about 13% phosphate fertilizer, make 185 kilograms and contain siO
2About 9%, K
2O about 6% and P
2O
3About about 5% solid state si potassium phosphate fertilizer.
Embodiments of the invention three are:
Containing siO
2Be that to add concentration in " aluminum sulfate dregs " 100 kilograms more than 20% be 100 kilograms of 5% above liquid caustic sodas, constantly stir that the maintenance temperature of reaction makes 60 kilograms after 5-10 minute and contains SiO at 92-98 ℃
2Be about 12% filtrate (for deep processing he with) and 75 kilograms contain effective SiO
2About about 13% solid siliceous fertilizer.
Embodiments of the invention four are:
Containing SiO
2Be that to add concentration in " aluminum sulfate dregs " 100 kilograms more than 20% be liquid caustic soda 120 kg 5% or more, constantly stirring, temperature of reaction is controlled at 50-90 ℃ must contain effective sio after two hours
2About about 16% siliceous fertilizer 120 kg also can add silicon, phosphorus, potassium, the solid composite fertilizer that base fertilizers such as phosphate fertilizer, potash fertilizer, nitrogenous fertilizer are made total nutrient about 30% in this siliceous fertilizer.(still can add a spot of trace element again) according to all kinds of farm crop needs.
More than each routine fertilizer both can make powdery and also can be made into granular.
Claims (8)
1, a kind of technology of preparing silicon fertilizer from waste dregs of aluminium sulfate is characterized in that:
1) adopting the siliceous waste residue after producing the Tai-Ace S 150 operation is raw material;
2) adding solid base mixes thoroughly;
3) reaction made siliceous fertilizer more than five minutes under 20-110 Celsius ℃.
2, a kind of technology of preparing silicon fertilizer from waste dregs of aluminium sulfate is characterized in that:
1) adopting the siliceous waste residue after producing the Tai-Ace S 150 operation is raw material;
2) above-mentioned siliceous waste residue being dropped into concentration is to stir evenly in the alkali lye more than 1%;
3) reacted 5 minutes to 5 hours down in 20～110 ℃ Celsius.
3, the technology of preparing silicon fertilizer from waste dregs of aluminium sulfate according to claim 2 is characterized in that dropping into and reacts after siliceous waste residue in the alkali lye can flood again.
4, according to the technology of claim 2 or 3 described preparing silicon fertilizer from waste dregs of aluminium sulfate, it is characterized in that: liquid can be leached as washing composition and binding agent after the reaction, the waste residue of gained is siliceous fertilizer.
5, according to the technology of claim 2 or 3 described preparing silicon fertilizer from waste dregs of aluminium sulfate, the solution of gained and waste residue are together as siliceous fertilizer after it is characterized in that reacting.
6,, it is characterized in that described alkali can be sodium hydroxid or potassium hydroxide according to the described preparing silicon fertilizer from waste dregs of aluminium sulfate technology of claim 1～5.
7, according to the described preparing silicon fertilizer from waste dregs of aluminium sulfate technology of claim 1～5, it is characterized in that described waste residue be all to contain aluminium silicon composition be waste residue after raw material makes Tai-Ace S 150, as aluminium vanadine waste residue, bauxite waste residue, kaolin waste residue or alunite waste residue etc.
8,, it is characterized in that in the siliceous fertilizer that makes, adding various infrastructure elements and the trace elements that help crop growth and can make various solid composite fertilizers according to the described preparing silicon fertilizer from waste dregs of aluminium sulfate technology of claim 1～5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99114175 CN1271708A (en) | 1999-04-26 | 1999-04-26 | Process for preparing silicon fertilizer from waste dregs of aluminium sulfate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99114175 CN1271708A (en) | 1999-04-26 | 1999-04-26 | Process for preparing silicon fertilizer from waste dregs of aluminium sulfate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1271708A true CN1271708A (en) | 2000-11-01 |
Family
ID=5277287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99114175 Pending CN1271708A (en) | 1999-04-26 | 1999-04-26 | Process for preparing silicon fertilizer from waste dregs of aluminium sulfate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1271708A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712791A (en) * | 2016-03-30 | 2016-06-29 | 济南汇川硅溶胶厂 | Nano organic silicon fertilizer, preparation method and use method |
| CN106495747A (en) * | 2016-11-03 | 2017-03-15 | 铜仁学院 | A kind of method that manganese slag produces Water-soluble silicon fertilizer |
| CN107459417A (en) * | 2017-06-15 | 2017-12-12 | 江苏大学 | A kind of method for preparing liquid silicon fertilizer using monocrystaline silicon solar cell making herbs into wool waste liquid |
-
1999
- 1999-04-26 CN CN 99114175 patent/CN1271708A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712791A (en) * | 2016-03-30 | 2016-06-29 | 济南汇川硅溶胶厂 | Nano organic silicon fertilizer, preparation method and use method |
| CN106495747A (en) * | 2016-11-03 | 2017-03-15 | 铜仁学院 | A kind of method that manganese slag produces Water-soluble silicon fertilizer |
| CN107459417A (en) * | 2017-06-15 | 2017-12-12 | 江苏大学 | A kind of method for preparing liquid silicon fertilizer using monocrystaline silicon solar cell making herbs into wool waste liquid |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |