CN104844302A - Method for producing phosphorus-potassium-silicone-calcium multi-element microporous mineral fertilizer (soil conditioner) - Google Patents
Method for producing phosphorus-potassium-silicone-calcium multi-element microporous mineral fertilizer (soil conditioner) Download PDFInfo
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- CN104844302A CN104844302A CN201510291976.3A CN201510291976A CN104844302A CN 104844302 A CN104844302 A CN 104844302A CN 201510291976 A CN201510291976 A CN 201510291976A CN 104844302 A CN104844302 A CN 104844302A
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Abstract
A method for producing phosphorus-potassium-silicone-calcium multi-element microporous mineral fertilizer (soil conditioner) by a hydrothermal chemical method comprises the following steps: uniformly mixing finely ground potassium-rich rock, lime and phosphate ore according to the mass percent ratio of (38.5%-52.25%):(31.5%-42.7%):(30%-5%) with water, wherein the water-solid ratio is (1:1)-(3:1); then transferring the slurry into a reaction kettle to make the slurry react for 8-24h under saturated vapor pressure at 160-250DEG C, and naturally cooling a reaction product to room temperature; and drying and crushing the reaction product to obtain the phosphorus-potassium-silicone-calcium multi-element microporous mineral fertilizer (soil conditioner).
Description
Technical field
The invention belongs to mineral manure production field, particularly one utilizes hydrothermal chemistry method to produce the method for phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner).
Background technology
Now, the day by day exhaustion of phosphorus ore abundant ore source has become international problem.Although China's phosphate rock resource enriches, major part is mid low grade phosphate rock, and phosphate rock resource is non-renewable.On the other hand, it is serious that China's soil lacks phosphorus, and soil lacks phosphorus area and reaches 79%.The more important thing is, the utilization ratio of phosphate fertilizer is much lower compared with nitrogenous fertilizer, potash fertilizer.Data show that the utilization ratio of China's phosphate fertilizer is probably 10 ~ 25%.Therefore, the mid low grade phosphate rock how rational exploitation and utilization China is a large amount of, the utilization ratio improving phosphorus is major issue in the urgent need to address.
Ground phosphate rock is as the one of difficultly soluble phosphatic fertilizer, and its activation method is mainly chemistry (organic and inorganic acid and high surfactant) and microbial method etc.Under hydrothermal condition, activation treatment ground phosphate rock is as a kind of new activating technology (He Haiyong, Qi Xin, Shi Yuanliang in recent years; The screening of ground phosphate rock activation condition under hydrothermal condition, Chinese Academy of Sciences's college journal, 2013,30 (6), 845-850.He Haiyong, Qi Xin, Shi Yuanliang; The biologically effective Journal of Sex Research of hydrothermal chemistry method activating phosphorite powder, Jilin agricultural sciences, 2013,38 (2), 36-39), its activator is also only confined to the discussion of acid, does not expand the kind of its actives.
Summary of the invention
The present invention is intended to the efficiency utilization problem solving ground phosphate rock, and develops a kind of method of producing phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner).
Multielement micropore mineral fertilizer (soil conditioner) is that (Korea Spro becomes a kind of new-type fertilizer, Liu Jianming; Hydrothermal chemical reaction is utilized to produce the method for multielement micropore mineral manure by silicate rock, application number 200710178794.0), after this new-type fertilizer is manured into soil, can be used for soil beneficial element on the one hand, supplement soil fertility, the physicochemical character of soil can be nursed one's health again, improve on the other hand, improve the biological character of crop, improve crop yield.Therefore multielement micropore mineral fertilizer (soil conditioner) has the double effects of fertilizer and amendment concurrently.Research (Qi Xin, Han Cheng, Sheng Xuebin, Liu Jianming; The fertile impact on Aqui-cinnamon soil paddy growth and soil property of potassium silico-calcium microporous mineral, Chinese Ecological Agriculture journal, 2011,19 (2), 258-264.) show: multielement micropore mineral fertilizer use the absorption that both can promote nitrogen, phosphorus, potassium, can utilization rate of fertilizer be improved again.This has mainly consumed a large amount of soil mineral nutrients due to high investment high production pattern agriculture at present, and the medium trace element in mineral fertilizer serves good supplementary function to soil nutritional deficiency just, makes nutrient supply situation to benign development.
The present inventor uses for reference the production method of multielement micropore mineral fertilizer, consider that fertilizer product that hydrothermal chemistry method is produced has the feature of fertilizer and amendment double effects, creatively utilize hydrothermal chemistry method activating phosphorite powder in the basic conditions, and produce a kind of phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner).
The present invention is achieved by the following technical programs.
1, one utilizes hydrothermal chemistry method to produce the method for phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner), it is characterized in that comprising the following steps:
(1) potassium rich rock of porphyrize, lime, Rock Phosphate (72Min BPL) to be added water stirring and evenly mixing by the mass percent of 38.5% ~ 52.25%: 31.5% ~ 42.75%: 30% ~ 5%, wherein water-solid ratio is 1: 1-3: 1;
(2) slurry after mixing is transferred in reactor;
(3) by the saturation steam pressure reaction 8h ~ 24h of reactor in 160 DEG C-250 DEG C, room temperature is naturally cooled to;
(4) product in reactor taken out in still, dry, pulverize, phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner) can be obtained.
2, one as claimed in claim 1 utilizes hydrothermal chemistry method to produce the method for phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner), and wherein the raw material of step (1) is the potassium rich rock of porphyrize, lime and Rock Phosphate (72Min BPL).
3, one as claimed in claim 1 utilizes hydrothermal chemistry method to produce the method for phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner), and wherein the ratio of step (1) raw material potassium rich rock, lime and Rock Phosphate (72Min BPL) is 38.5% ~ 52.25%: 31.5% ~ 42.75%: 30% ~ 5%.
4, one as claimed in claim 1 utilizes hydrothermal method to produce the method for phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner), and wherein the temperature of reaction of step (3) is 160 DEG C-250 DEG C.
5, one as claimed in claim 1 utilizes hydrothermal method to produce the method for phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner), and wherein the reaction times of step (3) is 8h ~ 24h.
Embodiment
Raw material: comprise potassium rich rock, lime and gypsum:
Containing potassium silicate rock: pick up from Xuanhua, Hebei Ma Jiawan, its chemical constitution (%) is as follows
| SiO 2 | TiO 2 | AlO 3 | Fe 2O 3+FeO | MnO | CaO | MgO | K 2O | Na 2O | P 2O 5 | Loss on ignition | Add up to |
| 54.09 | 0.80 | 15.41 | 13.42 | 0.37 | 0.54 | 0.35 | 12.09 | 0.07 | 0.17 | 2.70 | 100..01 |
Lime: containing CaO 97% (chemical pure, purchased from supply station, China Drug Co. Beijing).
Rock Phosphate (72Min BPL): pick up from Rock Phosphate (72Min BPL) mining area, Zhuolu County Fan Shan town, Hebei province, wherein containing P
2o
534.32%.
Embodiment 1
(1) potassium rich rock of porphyrize, lime, Rock Phosphate (72Min BPL) to be added water stirring and evenly mixing by the mass percent of 52.25%: 42.75%: 5%, wherein water-solid ratio is 3: 1;
(2) slurry after mixing is transferred in reactor;
(3) by the saturation steam pressure reaction 12h of reactor in 190 DEG C, room temperature is naturally cooled to;
(4) product in reactor taken out in still, dry, pulverize, phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner) can be obtained.
(5) take oven dry product sample 1.0000g, be placed in the triangular flask of 300ml, add the hydrochloric acid soln of 100ml 0.5mol/l, cover bottle stopper, be placed in vibrator and vibrate half an hour; To vibrate liquid with filter paper filtering, get filtrate 5ml deionized water and be diluted to 100ml, then test the concentration of element in its solution with full spectrum direct-reading plasma emission spectrometer, and be converted into unit mass percentage concentration, as shown in the table:
| K 2O | Al 2O 3 | SiO 2 | CaO | Fe 2O 3 | MgO | Na 2O | P 2O 5 |
| 6.48 | 6.99 | 19.72 | 41.18 | 4.19 | 0.77 | 0.89 | 0.92 |
Then after hydrothermal treatment consists, the leaching rate of phosphorus is 0.92 × 100%/(5 × 0.3432)=53.61%.
Embodiment 2
(1) potassium rich rock of porphyrize, lime, Rock Phosphate (72Min BPL) to be added water stirring and evenly mixing by the mass percent of 38.5%: 31.5%: 30%, wherein water-solid ratio is 3: 1;
(2) slurry after mixing is transferred in reactor;
(3) by the saturation steam pressure reaction 12h of reactor in 190 DEG C, room temperature is naturally cooled to;
(4) product in reactor taken out in still, dry, pulverize, phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner) can be obtained.
(5) take oven dry product sample 1.0000g, be placed in the triangular flask of 300ml, add the hydrochloric acid soln of 100ml 0.5mol/l, cover bottle stopper, be placed in vibrator and vibrate half an hour; To vibrate liquid with filter paper filtering, get filtrate 5ml deionized water and be diluted to 100ml, then test the concentration of element in its solution with full spectrum direct-reading plasma emission spectrometer, and be converted into unit mass percentage concentration, as shown in the table:
| K 2O | Al 2O 3 | SiO 2 | CaO | Fe 2O 3 | MgO | Na 2O | P 2O 5 |
| 5.42 | 5.99 | 16.45 | 44.51 | 3.57 | 0.75 | 0.86 | 5.57 |
Then after hydrothermal treatment consists, the leaching rate of phosphorus is 5.57 × 100%/(30 × 0.0.3432)=54.10%.
Embodiment 3
(1) potassium rich rock of porphyrize, lime, Rock Phosphate (72Min BPL) to be added water stirring and evenly mixing by the mass percent of 49.5%: 40.5%: 10%, wherein water-solid ratio is 2.5: 1;
(2) slurry after mixing is transferred in reactor;
(3) by the saturation steam pressure reaction 24h of reactor in 160 DEG C, room temperature is naturally cooled to;
(4) product in reactor taken out in still, dry, pulverize, phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner) can be obtained.
(5) take oven dry product sample 1.0000g, be placed in the triangular flask of 300ml, add the hydrochloric acid soln of 100ml 0.5mol/l, cover bottle stopper, be placed in vibrator and vibrate half an hour; To vibrate liquid with filter paper filtering, get filtrate 5ml deionized water and be diluted to 100ml, then test the concentration of element in its solution with full spectrum direct-reading plasma emission spectrometer, and be converted into unit mass percentage concentration, as shown in the table:
| K 2O | Al 2O 3 | SiO 2 | CaO | P 2O 5 |
| 4.72 | 5.22 | 5.23 | 37.22 | 1.69 |
Then after hydrothermal treatment consists, the leaching rate of phosphorus is 1.69 × 100%/(10 × 0.3432)=49.24%.
Embodiment 4
(1) potassium rich rock of porphyrize, lime, Rock Phosphate (72Min BPL) to be added water stirring and evenly mixing by the mass percent of 49.5%: 40.5%: 10%, wherein water-solid ratio is 2.5: 1;
(2) slurry after mixing is transferred in reactor;
(3) by the saturation steam pressure reaction 8h of reactor in 250 DEG C, room temperature is naturally cooled to;
(4) product in reactor taken out in still, dry, pulverize, phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner) can be obtained.
(5) take oven dry product sample 1.0000g, be placed in the triangular flask of 300ml, add the hydrochloric acid soln of 100ml 0.5mol/l, cover bottle stopper, be placed in vibrator and vibrate half an hour; To vibrate liquid with filter paper filtering, get filtrate 5ml deionized water and be diluted to 100ml, then test the concentration of element in its solution with full spectrum direct-reading plasma emission spectrometer, and be converted into unit mass percentage concentration, as shown in the table:
| K 2O | Al 2O 3 | SiO 2 | CaO | P 2O 5 |
| 6.59 | 7.09 | 19.23 | 40.91 | 1.90 |
Then after hydrothermal treatment consists, the leaching rate of phosphorus is 1.90 × 100%/(10 × 0.3432)=55.36%.
As can be seen from above-mentioned 4 embodiments, ground phosphate rock is after hydrothermal treatment consists, and the leaching rate of phosphorus is 49 ~ 55%.As can be seen here, the phosphorus after the process of hydrothermal chemistry method in ground phosphate rock obtains effective activation, and the phosphorus of about more than 50% can by weak acid leaching.
Full spectrum direct-reading plasma emission spectrometer, model is IRIS Advantage ICP-OES, and manufacturer is power & light company of the U.S..
Claims (5)
1. utilize hydrothermal chemistry method to produce a method for phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner), it is characterized in that comprising the following steps:
(1) potassium rich rock of porphyrize, lime, Rock Phosphate (72Min BPL) to be added water stirring and evenly mixing by the mass percent of 38.5% ~ 52.25%: 31.5% ~ 42.75%: 30% ~ 5%, wherein water-solid ratio is 1: 1-3: 1;
(2) slurry after mixing is transferred in reactor;
(3) by the saturation steam pressure reaction 8h ~ 24h of reactor in 160 DEG C-250 DEG C, room temperature is naturally cooled to;
(4) product in reactor taken out in still, dry, pulverize, phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner) can be obtained.
2. one as claimed in claim 1 utilizes hydrothermal method to produce the method for phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner), and wherein the raw material of step (1) is the potassium rich rock of porphyrize, lime and Rock Phosphate (72Min BPL).
3. one as claimed in claim 1 utilizes hydrothermal method to produce the method for phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner), and wherein the ratio of step (1) raw material potassium rich rock, lime and Rock Phosphate (72Min BPL) is 38.5% ~ 52.25%: 31.5% ~ 42.75%: 30% ~ 5%.
4. one as claimed in claim 1 utilizes hydrothermal method to produce the method for phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner), and wherein the temperature of reaction of step (3) is 160 DEG C-250 DEG C.
5. one as claimed in claim 1 utilizes hydrothermal method to produce the method for phosphorus potassium silicon multielement micropore mineral fertilizer (soil conditioner), and wherein the reaction times of step (3) is 8h ~ 24h.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348002A (en) * | 2015-11-09 | 2016-02-24 | 张家口根力多生态农业科技有限公司 | Soil repairing agent and preparation method therefor |
| CN107118006A (en) * | 2017-06-29 | 2017-09-01 | 中科建成矿物技术(北京)有限公司 | A kind of production method using float stone as main waste silico-calcium mineral fertilizer |
| CN110511073A (en) * | 2019-09-11 | 2019-11-29 | 东北农业大学 | A kind of method of indissoluble phosphor effectuation |
| CN112778043A (en) * | 2020-12-11 | 2021-05-11 | 新疆农业大学 | Method based on cotton field drip irrigation phosphate fertilizer activation technology |
| CN115141058A (en) * | 2022-07-22 | 2022-10-04 | 黄涛 | Production method of phosphorus-potassium-silicon-calcium multi-element microporous mineral fertilizer |
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| CN101450874A (en) * | 2007-11-30 | 2009-06-10 | 中国地质大学（北京） | Method for producing agricultural mineral base potassium nitrate by using potassium-rich rock |
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2015
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101450874A (en) * | 2007-11-30 | 2009-06-10 | 中国地质大学（北京） | Method for producing agricultural mineral base potassium nitrate by using potassium-rich rock |
Non-Patent Citations (1)
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| 浙江省化学工业研究所编: "《论文汇编 1960-1979 第2、3卷》", 31 December 1979, 浙江省化学工业研究所技术情报研究室 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348002A (en) * | 2015-11-09 | 2016-02-24 | 张家口根力多生态农业科技有限公司 | Soil repairing agent and preparation method therefor |
| CN107118006A (en) * | 2017-06-29 | 2017-09-01 | 中科建成矿物技术(北京)有限公司 | A kind of production method using float stone as main waste silico-calcium mineral fertilizer |
| CN110511073A (en) * | 2019-09-11 | 2019-11-29 | 东北农业大学 | A kind of method of indissoluble phosphor effectuation |
| WO2021047111A1 (en) * | 2019-09-11 | 2021-03-18 | 东北农业大学 | Indissolvable phosphorus availability method |
| CN110511073B (en) * | 2019-09-11 | 2021-11-30 | 东北农业大学 | Method for effectively dissolving insoluble phosphorus |
| CN112778043A (en) * | 2020-12-11 | 2021-05-11 | 新疆农业大学 | Method based on cotton field drip irrigation phosphate fertilizer activation technology |
| CN112778043B (en) * | 2020-12-11 | 2022-07-01 | 新疆农业大学 | Method based on cotton field drip irrigation phosphate fertilizer activation technology |
| CN115141058A (en) * | 2022-07-22 | 2022-10-04 | 黄涛 | Production method of phosphorus-potassium-silicon-calcium multi-element microporous mineral fertilizer |
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