CN105777428A - Technology for preparing biological charcoal applicable to southern and northern rice regions - Google Patents
Technology for preparing biological charcoal applicable to southern and northern rice regions Download PDFInfo
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- CN105777428A CN105777428A CN201610159203.4A CN201610159203A CN105777428A CN 105777428 A CN105777428 A CN 105777428A CN 201610159203 A CN201610159203 A CN 201610159203A CN 105777428 A CN105777428 A CN 105777428A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a technology for preparing biological charcoal applicable to southern and northern rice regions, and belongs to the field of biological charcoal. The technology has the advantages that the biological charcoal prepared by the aid of the technology has ion adsorption and exchange ability and certain adsorption capacity, the nutrient element adsorption ability and the nutrient availability can be improved, the cation or anion exchange capacity of soil further can be improved, accordingly, the fertilizer conservation ability of the soil can be improved, the biological charcoal is applicable to both southern rice and northern rice, and the southern rice increase production rate can be 2-3% or 0.5-1.2%.
Description
Technical field
The invention discloses a kind of charcoal technology of preparing prepared and be suitable for southern and northern rice district, belong to charcoal field.
Background technology
Charcoal, it is common that refer to, based on the biomass resource that nature is widely present, utilize specific charring process, rich carbon product produced by biomass under anoxic conditions imperfect combustion.Common charcoal has straw charcoal, Linesless charcoal, Pericarppium arachidis hypogaeae charcoal etc..Charcoal solubility is extremely low, has height carboxylic esterification and aromatization structure, and biomass have bigger porosity and specific surface area, high adsorption capacity after carbonization, become a kind of ideal material that can be applicable to the field such as agricultural, industry.In recent years, charcoal is subject to the extensive concern of the domain experts such as agricultural, environment, the energy, is described as " black gold ".Domestic and international correlational study, it is shown that charcoal can change soil physico-chemical property after applying agricultural land soil, to improving fertilizer utilization efficiency, increases crop yield, promotes that agricultural sustainable development etc. all has important function.
Scientists around charcoal in preservation of fertility, increase soil carbon to retain and carried out a series of research with the farmland ecosystem function aspects such as Nutrient Cycling, charcoal refers to that a class height aromatization that the plant biomass condition in partially or completely anoxia produces through pyrolysis charring is rich in the solid matter of carbon element, has high stability.
Summary of the invention
nullThe technical problem that present invention mainly solves: for current charcoal along with cracking temperature raises，The productivity step-down of charcoal，Surface charge reduces，In Pintsch process process，The removal of volatile organic matter makes C content in charcoal raise，HO content reduces，Charcoal surface ion functional group reduces，The problem that the minimizing of ionic functional group reduces charcoal and the binding ability of metal ion to a certain extent，Provide a kind of charcoal technology of preparing prepared and be suitable for southern and northern rice district，The charcoal that the present invention prepares has ionic adsorption exchange capacity and certain adsorption capacity，The absorbability to nutrient can be improved and increase nutrient availability，Also can improve soil cation or anion exchange capacity，Thus soil fertilizer ability can be increased，Southern or northern rice is no matter made to be suitable for using，It is 2～3% to southern increasing production of rice rate，It is 0.5～1.2% to south rice rate of growth.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
(1) the waste and old bark of 400～500g and the waste and old leaves of 300～400g are taken, put it into and dry under the sun, put into after drying in pulverizer and be ground into 120～160 order powder, it is added into distilled water mixing by solid-to-liquid ratio 1:2, and the hydrochloric acid solution adjustment pH value dripping concentration 3mol/L in mixture is 5.5～6.5, put into dispersion 10～15min in ultrasonic disperse instrument after adjustment, obtain suspension；
(2) 25～35g iron chloride and 8～10g ferrous sulfate are weighed in the there-necked flask of 500mL, and in bottle, add the water of 150～200mL, stirring is until solid dissolves to obtain mixed liquor, it is slowly added dropwise the ammonia of mass fraction 30% in there-necked flask with dropper, regulate pH to 10.5～11.5, move into water-bath and be warming up to 45～55 DEG C, and stir 20～30min with magnetic stirring apparatus with the rotating speed of 500～600r/min, it is continuously heating to 70～80 DEG C after stirring, is incubated ageing 1～2h；
(3) mixture after ageing is moved into horizontal centrifuge, process 10～15min with the rotating speed high speed centrifugation of 7000～8000r/min, separate and be precipitated thing, by precipitate deionized water wash until pH is 7, obtain ferric oxide particles；
(4) by ferric oxide particles obtained above for 8～10g, join in the suspension in step (1), under the rotating speed of 600～700r/min, mixing 30～40min is stirred with magnetic stirring apparatus, after stirring in suspension, adding mass fraction 35% sodium hydroxide solution adjustment pH value is 9.5～10.0, at 35～40 DEG C, ageing 5～6h is carried out after standing 20～30min, filter after ageing, by filtering residue deionized water wash 3～5 times, put in baking oven dry complete at 40～45 DEG C after cleaning, dried solid is put in retort, carbonization 1～2h is carried out at 600～690 DEG C, magnetic bio charcoal.
The invention has the beneficial effects as follows:
(1) charcoal that the present invention prepares has ionic adsorption exchange capacity and certain adsorption capacity, can improve the absorbability to nutrient and increase nutrient availability；
(2) charcoal that the present invention prepares can improve soil cation or anion exchange capacity, thus soil fertilizer ability can be increased, no matter make southern or northern rice be suitable for using, be 2～3% to southern increasing production of rice rate, be 0.5～1.2% to south rice rate of growth.
Detailed description of the invention
Take the waste and old bark of 400～500g and the waste and old leaves of 300～400g, put it into and dry under the sun, put into after drying in pulverizer and be ground into 120～160 order powder, it is added into distilled water mixing by solid-to-liquid ratio 1:2, and the hydrochloric acid solution adjustment pH value dripping concentration 3mol/L in mixture is 5.5～6.5, put into dispersion 10～15min in ultrasonic disperse instrument after adjustment, obtain suspension；Weigh 25～35g iron chloride and 8～10g ferrous sulfate in the there-necked flask of 500mL, and in bottle, add the water of 150～200mL, stirring is until solid dissolves to obtain mixed liquor, it is slowly added dropwise the ammonia of mass fraction 30% in there-necked flask with dropper, regulate pH to 10.5～11.5, move into water-bath and be warming up to 45～55 DEG C, and stir 20～30min with magnetic stirring apparatus with the rotating speed of 500～600r/min, it is continuously heating to 70～80 DEG C after stirring, is incubated ageing 1～2h；Mixture after ageing is moved into horizontal centrifuge, processes 10～15min with the rotating speed high speed centrifugation of 7000～8000r/min, separate and be precipitated thing, by precipitate deionized water wash until pH is 7, obtain ferric oxide particles；By ferric oxide particles obtained above for 8～10g, join in suspension, under the rotating speed of 600～700r/min, mixing 30～40min is stirred with magnetic stirring apparatus, after stirring in suspension, adding mass fraction 35% sodium hydroxide solution adjustment pH value is 9.5～10.0, at 35～40 DEG C, ageing 5～6h is carried out after standing 20～30min, filter after ageing, by filtering residue deionized water wash 3～5 times, put in baking oven dry complete at 40～45 DEG C after cleaning, dried solid is put in retort, carbonization 1～2h is carried out at 600～690 DEG C, magnetic bio charcoal.
Example 1
Take the waste and old bark of 400g and the waste and old leaves of 300g, put it into and dry under the sun, put into after drying in pulverizer and be ground into 120 order powder, it is added into distilled water mixing by solid-to-liquid ratio 1:2, and the hydrochloric acid solution adjustment pH value dripping concentration 3mol/L in mixture is 5.5, put into dispersion 10min in ultrasonic disperse instrument after adjustment, obtain suspension；Weigh 25g iron chloride and 8g ferrous sulfate in the there-necked flask of 500mL, and in bottle, add the water of 150mL, stirring is until solid dissolves to obtain mixed liquor, it is slowly added dropwise the ammonia of mass fraction 30% in there-necked flask with dropper, regulate pH to 10.5, move into water-bath and be warming up to 45 DEG C, and stir 20min with magnetic stirring apparatus with the rotating speed of 500r/min, it is continuously heating to 70 DEG C after stirring, is incubated ageing 1h；Mixture after ageing is moved into horizontal centrifuge, processes 10min with the rotating speed high speed centrifugation of 7000r/min, separate and be precipitated thing, by precipitate deionized water wash until pH is 7, obtain ferric oxide particles；By ferric oxide particles obtained above for 8g, join in suspension, under the rotating speed of 600r/min, mixing 30min is stirred with magnetic stirring apparatus, after stirring in suspension, adding mass fraction 35% sodium hydroxide solution adjustment pH value is 9.5, at 35 DEG C, ageing 5h is carried out after standing 20min, filter after ageing, by filtering residue deionized water wash 3 times, put in baking oven dry complete at 40 DEG C after cleaning, dried solid is put in retort, at 600 DEG C, carries out carbonization 1h, magnetic bio charcoal.
The charcoal that the present invention prepares can improve soil cation or anion exchange capacity, thus soil fertilizer ability can be increased, no matter makes southern or northern rice be suitable for using, is 2% to southern increasing production of rice rate, is 0.5% to south rice rate of growth.
Example 2
Head takes the waste and old bark of 450g and the waste and old leaves of 350g, put it into and dry under the sun, put into after drying in pulverizer and be ground into 140 order powder, it is added into distilled water mixing by solid-to-liquid ratio 1:2, and the hydrochloric acid solution adjustment pH value dripping concentration 3mol/L in mixture is 6, put into dispersion 13min in ultrasonic disperse instrument after adjustment, obtain suspension；Weigh 30g iron chloride and 9g ferrous sulfate in the there-necked flask of 500mL, and in bottle, add the water of 175mL, stirring is until solid dissolves to obtain mixed liquor, it is slowly added dropwise the ammonia of mass fraction 30% in there-necked flask with dropper, regulate pH to 11.0, move into water-bath and be warming up to 50 DEG C, and stir 25min with magnetic stirring apparatus with the rotating speed of 550r/min, it is continuously heating to 75 DEG C after stirring, is incubated ageing 1.5h；Mixture after ageing is moved into horizontal centrifuge, processes 13min with the rotating speed high speed centrifugation of 7500r/min, separate and be precipitated thing, by precipitate deionized water wash until pH is 7, obtain ferric oxide particles；By ferric oxide particles obtained above for 9g, join in suspension, under the rotating speed of 650r/min, mixing 35min is stirred with magnetic stirring apparatus, after stirring in suspension, adding mass fraction 35% sodium hydroxide solution adjustment pH value is 9.8, at 37 DEG C, ageing 5.5h is carried out after standing 25min, filter after ageing, by filtering residue deionized water wash 4 times, put in baking oven dry complete at 43 DEG C after cleaning, dried solid is put in retort, at 645 DEG C, carries out carbonization 1.5h, magnetic bio charcoal.
The charcoal that the present invention prepares can improve soil cation or anion exchange capacity, thus soil fertilizer ability can be increased, no matter makes southern or northern rice be suitable for using, is 2.5% to southern increasing production of rice rate, is 0.9% to south rice rate of growth.
Example 3
Take the waste and old bark of 500g and the waste and old leaves of 400g, put it into and dry under the sun, put into after drying in pulverizer and be ground into 160 order powder, it is added into distilled water mixing by solid-to-liquid ratio 1:2, and the hydrochloric acid solution adjustment pH value dripping concentration 3mol/L in mixture is 6.5, put into dispersion 15min in ultrasonic disperse instrument after adjustment, obtain suspension；Weigh 35g iron chloride and 10g ferrous sulfate in the there-necked flask of 500mL, and in bottle, add the water of 200mL, stirring is until solid dissolves to obtain mixed liquor, it is slowly added dropwise the ammonia of mass fraction 30% in there-necked flask with dropper, regulate pH to 11.5, move into water-bath and be warming up to 55 DEG C, and stir 30min with magnetic stirring apparatus with the rotating speed of 600r/min, it is continuously heating to 80 DEG C after stirring, is incubated ageing 2h；Mixture after ageing is moved into horizontal centrifuge, processes 15min with the rotating speed high speed centrifugation of 8000r/min, separate and be precipitated thing, by precipitate deionized water wash until pH is 7, obtain ferric oxide particles；By ferric oxide particles obtained above for 10g, join in suspension, under the rotating speed of 700r/min, mixing 40min is stirred with magnetic stirring apparatus, after stirring in suspension, adding mass fraction 35% sodium hydroxide solution adjustment pH value is 10.0, at 40 DEG C, ageing 6h is carried out after standing 30min, filter after ageing, by filtering residue deionized water wash 5 times, put in baking oven dry complete at 45 DEG C after cleaning, dried solid is put in retort, at 690 DEG C, carries out carbonization 2h, magnetic bio charcoal.
The charcoal that the present invention prepares can improve soil cation or anion exchange capacity, thus soil fertilizer ability can be increased, no matter makes southern or northern rice be suitable for using, is 3% to southern increasing production of rice rate, is 1.2% to south rice rate of growth.
Claims (1)
1. prepare the charcoal technology of preparing being suitable for southern and northern rice district for one kind, it is characterised in that concrete preparation process:
(1) the waste and old bark of 400～500g and the waste and old leaves of 300～400g are taken, put it into and dry under the sun, put into after drying in pulverizer and be ground into 120～160 order powder, it is added into distilled water mixing by solid-to-liquid ratio 1:2, and the hydrochloric acid solution adjustment pH value dripping concentration 3mol/L in mixture is 5.5～6.5, put into dispersion 10～15min in ultrasonic disperse instrument after adjustment, obtain suspension；
(2) 25～35g iron chloride and 8～10g ferrous sulfate are weighed in the there-necked flask of 500mL, and in bottle, add the water of 150～200mL, stirring is until solid dissolves to obtain mixed liquor, it is slowly added dropwise the ammonia of mass fraction 30% in there-necked flask with dropper, regulate pH to 10.5～11.5, move into water-bath and be warming up to 45～55 DEG C, and stir 20～30min with magnetic stirring apparatus with the rotating speed of 500～600r/min, it is continuously heating to 70～80 DEG C after stirring, is incubated ageing 1～2h；
(3) mixture after ageing is moved into horizontal centrifuge, process 10～15min with the rotating speed high speed centrifugation of 7000～8000r/min, separate and be precipitated thing, by precipitate deionized water wash until pH is 7, obtain ferric oxide particles；
(4) by ferric oxide particles obtained above for 8～10g, join in the suspension in step (1), under the rotating speed of 600～700r/min, mixing 30～40min is stirred with magnetic stirring apparatus, after stirring in suspension, adding mass fraction 35% sodium hydroxide solution adjustment pH value is 9.5～10.0, at 35～40 DEG C, ageing 5～6h is carried out after standing 20～30min, filter after ageing, by filtering residue deionized water wash 3～5 times, put in baking oven dry complete at 40～45 DEG C after cleaning, dried solid is put in retort, carbonization 1～2h is carried out at 600～690 DEG C, magnetic bio charcoal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610159203.4A CN105777428A (en) | 2016-03-18 | 2016-03-18 | Technology for preparing biological charcoal applicable to southern and northern rice regions |
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| CN201610159203.4A CN105777428A (en) | 2016-03-18 | 2016-03-18 | Technology for preparing biological charcoal applicable to southern and northern rice regions |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404867A (en) * | 2018-05-31 | 2018-08-17 | 华南理工大学 | A kind of lignin-base carbon magnetic Nano material and preparation method and the application in adsorbing methyl orange |
| CN108671899A (en) * | 2018-05-31 | 2018-10-19 | 华南理工大学 | A kind of magnetic nanoparticle based on alkali lignin and preparation method thereof and the application in adsorbing copper ion |
| CN108722362A (en) * | 2018-05-31 | 2018-11-02 | 华南理工大学 | A kind of magnetic nanoparticle based on lignin carboxylate and preparation method thereof and the application in Adsorption of Chromium |
| CN110015927A (en) * | 2019-04-04 | 2019-07-16 | 广西大自然再生资源有限公司 | A kind of organic domestic waste Eco-fertilizer and preparation method thereof |
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| CN101629172A (en) * | 2009-08-13 | 2010-01-20 | 浙江大学 | Method for preparing magnetic microbe immobilizing material for soil pollution repair and application thereof |
| CN101642699A (en) * | 2009-08-06 | 2010-02-10 | 浙江大学 | Method for preparing magnetic biological carbon adsorbing material and usage thereof |
| CN103435411A (en) * | 2013-08-19 | 2013-12-11 | 琼州学院 | Charcoal based plant cultivation substrate and preparation method thereof |
| CN104371748A (en) * | 2014-10-24 | 2015-02-25 | 东华大学 | Preparation method of high-yield biochar |
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2016
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Patent Citations (5)
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| CN101380639A (en) * | 2008-10-20 | 2009-03-11 | 浙江大学 | Method for trapping and fixing soil persistent organic pollutant using biological carbon |
| CN101642699A (en) * | 2009-08-06 | 2010-02-10 | 浙江大学 | Method for preparing magnetic biological carbon adsorbing material and usage thereof |
| CN101629172A (en) * | 2009-08-13 | 2010-01-20 | 浙江大学 | Method for preparing magnetic microbe immobilizing material for soil pollution repair and application thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404867A (en) * | 2018-05-31 | 2018-08-17 | 华南理工大学 | A kind of lignin-base carbon magnetic Nano material and preparation method and the application in adsorbing methyl orange |
| CN108671899A (en) * | 2018-05-31 | 2018-10-19 | 华南理工大学 | A kind of magnetic nanoparticle based on alkali lignin and preparation method thereof and the application in adsorbing copper ion |
| CN108722362A (en) * | 2018-05-31 | 2018-11-02 | 华南理工大学 | A kind of magnetic nanoparticle based on lignin carboxylate and preparation method thereof and the application in Adsorption of Chromium |
| CN108404867B (en) * | 2018-05-31 | 2020-07-28 | 华南理工大学 | Lignin-based carbon magnetic nano material, preparation method and application in methyl orange adsorption |
| CN108722362B (en) * | 2018-05-31 | 2020-07-28 | 华南理工大学 | Magnetic nanoparticle based on lignin carboxylate, preparation method thereof and application of magnetic nanoparticle in chromium adsorption |
| CN108671899B (en) * | 2018-05-31 | 2020-07-28 | 华南理工大学 | Magnetic nano-particle based on alkali lignin, preparation method thereof and application thereof in copper ion adsorption |
| CN110015927A (en) * | 2019-04-04 | 2019-07-16 | 广西大自然再生资源有限公司 | A kind of organic domestic waste Eco-fertilizer and preparation method thereof |
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Application publication date: 20160720 |