CN101565338B - Method for preparing fertilizer adsorbing volatilizing nitrogen - Google Patents
Method for preparing fertilizer adsorbing volatilizing nitrogen Download PDFInfo
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- CN101565338B CN101565338B CN2009100594691A CN200910059469A CN101565338B CN 101565338 B CN101565338 B CN 101565338B CN 2009100594691 A CN2009100594691 A CN 2009100594691A CN 200910059469 A CN200910059469 A CN 200910059469A CN 101565338 B CN101565338 B CN 101565338B
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Abstract
The invention discloses a method for preparing fertilizer adsorbing volatilizing nitrogen. Any two reagents selected from sodium chloride, potassium chloride, calcium chloride, potassium sulfate, acetic acid, boracic acid, citric acid and phosphoric acid are used for soaking powdered activated carbon, and the soaked carbon is mixed with components thereof so as to wrap the exterior of fertilizer particles containing nitrogen. The fertilizer can transform the volatilizing ammonia gas of nitrogen into NH4<+> that can be easily absorbed by earth. The method basically eliminates the volatilization loss of ammonia, simultaneously has slow release effect and can reduce fertilizer loss, keep soil moisture and improve soil.
Description
Technical field
The present invention relates to the preparation of fertilizer, particularly prepare the method for fertilizer with Immesion active carbon.
Technical background
The loss of nitrogenous fertilizer mainly is the volatilization through loss and nitrogen ammonia.Solving the disclosed patent of method that runs off at present has: the method with chemistry improves fertilizer solubility, like patent CN1470485 carrier type slow-release fertilizer and preparation method thereof; Method with physics improves fertilizer solubility; The water-fast macromolecular material of parcel on fertiliser granulates; Make water-soluble fertilizer contact with water few; Reach slowly-releasing and reduce loss, like patent CN1948277 improved coating thiourea slow release fertilizer and preparation method, patent CN1927778 composite envelope type slow release fertilizer.These methods fail to solve to the volatilization loss of nitrogen.
Simple and easy corncob granule carbonization furnace of patent CN101045534 and working method thereof and patent CN101121620 special charcoal-base slow release fertilizer for soybean and preparation method thereof.Disclose the corn particle charcoal of preparing with Ya Gaowen 260-450 ℃ of charing corn cob and made the charcoal base, with the nitrogen phosphorus potassium and the compound preparation fertilizer of other nutritive elements of soybean needs.Because it is the corn particle charcoal is at inferior high temperature carbonization, and gac is to form at 550-900 ℃ of high-temperature activation,, little to ammonia absorption so corn particle charcoal adsorptive power is poorer than the gac of high-temperature activation.Other has bibliographical information, and with the fertilizer preparation of bamboo charcoal integument urea, bamboo charcoal has certain slow-releasing to nitrogen in the urea, and the volatilization of ammonia in soil has certain absorption property to urea.Because of the bamboo charcoal specific surface is little, so to a little less than the ammonia adsorptive power.The present invention uses a kind of Immesion active carbon; Strong to the ammonia adsorptive power, the fertilizer of preparing with this charcoal has solved the volatilization loss of nitrogen in soil basically, also can reduce the loss of fertilizer in soil simultaneously; Played certain slow releasing function; Can keep soil moisture, improve the soil, make the barren soil become fertile.
Summary of the invention
A kind of method for preparing fertilizer of adsorbing volatilizing nitrogen ammonia is characterized in that the lapping of being made up of Immesion active carbon and its component in nitrogenous granulated fertilizer coated outside.This method comprises following rapid:
One, the preparation of Immesion active carbon
Getting commercially available powdered carbon or the waste active carbon regenerated carbon after elevated temperature heat regeneration is raw material; With any two reagent in sodium-chlor, Repone K, calcium chloride, vitriolate of tartar, acetic acid, boric acid, Hydrocerol A, the phosphoric acid; The 1-10% that gets gac weight respectively is water-soluble; Pour into then soak 30-120 minute in the gac after, the oven dry.
Two, the lapping preparation of Immesion active carbon and its component composition
Get Immesion active carbon weight 1-12 part, add zeyssatite or atlapulgite weight 1-3 part mixing, add water weight 3-38 part, stir, add polymeric adhesion agent weight 1-3 part again.
Three, fertilizer preparation
Get nitrogenous granulated fertilizer, this fertilizer can be made by oneself also desirable commercially available, the lapping for preparing is wrapped in the outside of nitrogenous granulated fertilizer.The parcel amount is the heavy 10-35% of Wrapped fertilizer by oven dry weight.
Point of the present invention is with Immesion active carbon the volatilizing nitrogen ammonia in the fertilizer to be had strong adsorptive power; Behind this charcoal absorption ammonia, with ionic state NH
4 +Form be adsorbed in the gac NH in soil
4 +With the NH in the gac
4 +When concentration is identical, reach balance, just do not discharge the NH in soil
4 +When concentration reduces, under certain humidity, the NH in gac
4 +Just discharge and give soil.This gac can be converted into liquid ammonia with gasiform ammonia, has solved the volatilization loss of nitrogen ammonia in soil basically; The big specific surface of gac and flourishing hole are more much bigger than soil micelle adsorptive power to the nitrogen in the fertilizer, phosphorus, potassium, organism adsorptive power, so function of fertilizer retention is arranged, certain slow releasing function has been played in the loss of minimizing fertilizer in soil.
Embodiment
Gac is to the absorption and the desorption of ammonia
Embodiment 1, get Immesion active carbon weight 1-12 part, add zeyssatite or atlapulgite weight 1-3 part mixing, add water weight 3-38 part, stir, add polymeric adhesion agent weight 1-3 part again.
Get powdered carbon 30 grams, getting weight then respectively is the heavy 1-10% boric acid of gac, and weight is the heavy 1-10% vitriolate of tartar of gac, and is water-soluble, pours into then in the gac, soaked 20-60 minute, and 105 ℃ of oven dry promptly get Immesion active carbon.Get the Immesion active carbon of certainweight, put into the weighing box, open lid the sealed vessel of putting into ammoniacal liquor immediately.Ammonia in the charcoal absorption container and water vapour are surveyed its adsorptive capacity after for some time.Then gac is taken out water and wash out the ammonia in the charcoal, dissolve 100ml surely, measure total nitrogen content in its solution.
Comparative example 1-3 gets bamboo absorbent charcoal, granulated active carbon, the powdered carbon of certainweight respectively, puts into the weighing box, opens lid the same sealed vessel of putting into immediately with embodiment 1.Make simultaneous test, result such as table one with embodiment 1.
Table one. the living-article charcoal is to the absorption of gaseous ammonia and be converted into liquefied ammonia
Fertilizer of the present invention and granulated fertilizer are to the absorption of ammonia
Embodiment 2, get Immesion active carbon weight 1-12 part, add zeyssatite or atlapulgite weight 1-3 part mixing, add water weight 3-38 part, stir, add polymeric adhesion agent weight 1-3 part again, stir.Be wrapped in commercially available urea type granulated fertilizer 30 gram outsides then, oven dry.Get this certain fertilizer and put into the weighing box, open lid after, place in the sealed vessel, put into ammonia at this container, measure its ammonia adsorptive capacity.See table two.
Comparative Examples 4-6, get the urea type granulated fertilizer before the parcel among release and release control fertilizer and the embodiment 2 of commercially available domestic and international production respectively, place simultaneously in embodiment 2 sealed vessels, measure its ammonia adsorptive capacity.See table two.
Table two fertilizer of the present invention and granulated fertilizer are to the absorption of ammonia
The test of fertilizer of the present invention in soil
Embodiment 3, get commercially available urea type compounded granular fertilizer 20 gram, its nitrogen, phosphorus, potassium content be >=14%, >=4%, >=7%, total nutrient >=25%; With Immesion active carbon with and the lapping formed of component superscribe; The oven dry, sample, the parcel amount be sample heavy 21%.Apply then in the indoor soil, with static absorptionmetric determination volatilization ammonia, evaporable ammonia adopts the boric acid of 10ml 2% to absorb, and the salt acidometric titration with 0.0209mol/L calculates total nitrogen.The result sees table three.
Comparative example 7, bamboo absorbent charcoal is replaced Immesion active carbon, the preparation method of its Wrapped fertilizer is with embodiment 3, applies with in the identical indoor soil of embodiment 3, does parallel test, and the result sees table three.
Comparative example 8, get identical urea type compounded granular fertilizers 20 grams with embodiment 3, apply with in the identical indoor soil of embodiment 3, do parallel test, the result sees table three.
The application of table three fertilizer of the present invention in soil is than changeing
Claims (2)
1. the method for preparing fertilizer of an adsorbing volatilizing nitrogen ammonia is characterized in that the lapping be made up of Immesion active carbon and its component in nitrogenous granulated fertilizer coated outside, and this method comprises the following steps:
(1), the preparation of Immesion active carbon
Getting commercially available powdered carbon or the waste active carbon regenerated carbon after elevated temperature heat regeneration is raw material; With any two reagent in sodium-chlor, Repone K, calcium chloride, vitriolate of tartar, acetic acid, boric acid, Hydrocerol A, the phosphoric acid; The 1-10% that gets gac weight respectively is water-soluble; Pour into then soak 30-120 minute in the gac after, the oven dry
(2), the lapping preparation of Immesion active carbon and its component composition
Get Immesion active carbon weight 1-12 part, add zeyssatite or atlapulgite weight 1-3 part mixing, add water weight 3-38 part, stir, add polymeric adhesion agent weight 1-3 part again,
(3), fertilizer preparation
Get nitrogenous granulated fertilizer, this fertilizer is with self-control or commercially available, and the lapping for preparing is wrapped in the outside of granulated fertilizer, and the parcel amount is the heavy 10-35% of Wrapped fertilizer by oven dry weight.
2. the fertilizer for preparing of the method for preparing fertilizer of the said adsorbing volatilizing nitrogen ammonia of claim 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100594691A CN101565338B (en) | 2009-06-01 | 2009-06-01 | Method for preparing fertilizer adsorbing volatilizing nitrogen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100594691A CN101565338B (en) | 2009-06-01 | 2009-06-01 | Method for preparing fertilizer adsorbing volatilizing nitrogen |
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| CN101565338A CN101565338A (en) | 2009-10-28 |
| CN101565338B true CN101565338B (en) | 2012-02-01 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2845374C (en) | 2006-08-23 | 2015-12-22 | Sulvaris Inc. | Acid-impregnated activated carbon and methods of forming and using the same |
| CN102140051A (en) * | 2010-11-30 | 2011-08-03 | 浙江大学 | Application of 3, 4-dimethyl pyrazole phosphate urea and usage method thereof |
| CN102424642A (en) * | 2011-09-25 | 2012-04-25 | 西北农林科技大学 | Production method of biochar-based slow-release nitrogen fertilizer |
| CN104355887B (en) * | 2014-11-18 | 2016-08-03 | 淮安大华生物科技有限公司 | A kind of preparation method of Semen Tritici aestivi special carbon-base slow release fertilizer |
| CN104860747A (en) * | 2015-04-10 | 2015-08-26 | 宁夏宝塔石化科技实业发展有限公司 | Method for preparing sustained-release composite fertilizer with dust waste in active-carbon-activated tail gas |
| CN106520133B (en) * | 2016-10-17 | 2019-03-19 | 山东崇舜新材料科技有限公司 | Industrial activited carbon recovery processing is used to prepare soil conditioner, preparation method and application |
| CN109809911A (en) * | 2017-11-22 | 2019-05-28 | 深圳市芭田生态工程股份有限公司 | Alkaline fertilizer and preparation method thereof |
| CN108329181A (en) * | 2018-03-20 | 2018-07-27 | 中国水稻研究所 | A kind of preparation method of slow-release nitrogen fertilizer |
| CN110171814B (en) * | 2019-05-13 | 2022-07-29 | 电子科技大学 | Method for synthesizing carbon nanosheets catalyzed by water-soluble KCl and its application in energy storage and sustained release |
| CN111348976A (en) * | 2020-04-06 | 2020-06-30 | 昆明理工大学 | A method for preparing multi-element compound fertilizer from waste activated carbon after flue gas desulfurization and denitrification |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1752054A (en) * | 2005-08-09 | 2006-03-29 | 罗敏 | Production technology of bamboo carbon nutritive carbon particle |
| CN101182267A (en) * | 2007-11-16 | 2008-05-21 | 沈阳农业大学 | A kind of organic-inorganic compound fertilizer coating liquid and its manufacturing method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1752054A (en) * | 2005-08-09 | 2006-03-29 | 罗敏 | Production technology of bamboo carbon nutritive carbon particle |
| CN101182267A (en) * | 2007-11-16 | 2008-05-21 | 沈阳农业大学 | A kind of organic-inorganic compound fertilizer coating liquid and its manufacturing method |
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