CN114560739A - Diatomite-based composite organic silicon fertilizer and preparation method and application thereof - Google Patents
Diatomite-based composite organic silicon fertilizer and preparation method and application thereof Download PDFInfo
- Publication number
- CN114560739A CN114560739A CN202210247995.6A CN202210247995A CN114560739A CN 114560739 A CN114560739 A CN 114560739A CN 202210247995 A CN202210247995 A CN 202210247995A CN 114560739 A CN114560739 A CN 114560739A
- Authority
- CN
- China
- Prior art keywords
- diatomite
- fertilizer
- mass
- organic
- silicon fertilizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 239000003337 fertilizer Substances 0.000 title claims abstract description 95
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 71
- 239000010703 silicon Substances 0.000 title claims abstract description 71
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000003895 organic fertilizer Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 239000011230 binding agent Substances 0.000 claims abstract description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 9
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 8
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 24
- 235000007164 Oryza sativa Nutrition 0.000 claims description 24
- 235000009566 rice Nutrition 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 22
- 241000196324 Embryophyta Species 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 21
- 238000001354 calcination Methods 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 14
- 239000000440 bentonite Substances 0.000 claims description 12
- 229910000278 bentonite Inorganic materials 0.000 claims description 12
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 12
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 12
- 239000011246 composite particle Substances 0.000 claims description 12
- 235000010855 food raising agent Nutrition 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 6
- 239000001099 ammonium carbonate Substances 0.000 claims description 6
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 6
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 6
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000005457 ice water Substances 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 239000010902 straw Substances 0.000 claims description 6
- 241000206761 Bacillariophyta Species 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 241000607479 Yersinia pestis Species 0.000 claims description 4
- 231100000331 toxic Toxicity 0.000 claims description 4
- 230000002588 toxic effect Effects 0.000 claims description 4
- 241000238631 Hexapoda Species 0.000 claims description 3
- 201000010099 disease Diseases 0.000 claims description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910021645 metal ion Inorganic materials 0.000 claims description 3
- 239000011164 primary particle Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 16
- 238000001179 sorption measurement Methods 0.000 abstract description 14
- 150000001875 compounds Chemical class 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 7
- 239000003463 adsorbent Substances 0.000 abstract description 4
- 230000002195 synergetic effect Effects 0.000 abstract description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- -1 TiO2 Chemical class 0.000 abstract description 2
- 238000013329 compounding Methods 0.000 abstract description 2
- 238000011068 loading method Methods 0.000 abstract description 2
- 241000209094 Oryza Species 0.000 description 23
- 230000000694 effects Effects 0.000 description 21
- 210000003608 fece Anatomy 0.000 description 15
- 244000105624 Arachis hypogaea Species 0.000 description 13
- 235000020232 peanut Nutrition 0.000 description 13
- 150000002500 ions Chemical class 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 230000004720 fertilization Effects 0.000 description 11
- 235000017060 Arachis glabrata Nutrition 0.000 description 10
- 235000010777 Arachis hypogaea Nutrition 0.000 description 10
- 235000018262 Arachis monticola Nutrition 0.000 description 10
- 239000002956 ash Substances 0.000 description 10
- 244000276331 Citrus maxima Species 0.000 description 9
- 235000001759 Citrus maxima Nutrition 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 7
- 238000005469 granulation Methods 0.000 description 6
- 230000003179 granulation Effects 0.000 description 6
- 240000000560 Citrus x paradisi Species 0.000 description 5
- 238000000855 fermentation Methods 0.000 description 5
- 230000004151 fermentation Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000010453 quartz Substances 0.000 description 5
- 229910010066 TiC14 Inorganic materials 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- PUKLDDOGISCFCP-JSQCKWNTSA-N 21-Deoxycortisone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)C)(O)[C@@]1(C)CC2=O PUKLDDOGISCFCP-JSQCKWNTSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- FCYKAQOGGFGCMD-UHFFFAOYSA-N Fulvic acid Natural products O1C2=CC(O)=C(O)C(C(O)=O)=C2C(=O)C2=C1CC(C)(O)OC2 FCYKAQOGGFGCMD-UHFFFAOYSA-N 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 2
- 229910008051 Si-OH Inorganic materials 0.000 description 2
- 229910006358 Si—OH Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002509 fulvic acid Substances 0.000 description 2
- 229940095100 fulvic acid Drugs 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000000618 nitrogen fertilizer Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- KMQAPZBMEMMKSS-UHFFFAOYSA-K calcium;magnesium;phosphate Chemical compound [Mg+2].[Ca+2].[O-]P([O-])([O-])=O KMQAPZBMEMMKSS-UHFFFAOYSA-K 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000011022 opal Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
-
- 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
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Tropical Medicine & Parasitology (AREA)
- Inorganic Chemistry (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention belongs to the technical field of agricultural fertilizers, and particularly relates to a diatomite-based compound organic silicon fertilizer and a preparation method and application thereof. The compound organic silicon fertilizer is granular and comprises: 70-90 wt% of silicon dioxide, 5-15 wt% of organic matters and the balance of binders and other auxiliary substances. The novel diatomite-based composite organic fertilizer is prepared by the methods of purification, modification, compounding and the like. Specifically, the method comprises the following steps: (1) by mixing nano metal oxides such as TiO2、ZrO2Is compounded with diatomite, and the synergistic effect of the two can effectively adsorb heavy metal, thereby playing a role inThe function of soil adsorbents; (2) the diatomite is introduced to make up for the defects of the diatomite, and the problems that the original active sites such as hydroxyl and the like on the surface of the diatomite and the unique biological micropore performance are gradually reduced along with the deposition age are solved. Therefore, the introduction of diatom can improve the adsorption and loading properties of the silicon fertilizer.
Description
Technical Field
The invention belongs to the technical field of agricultural fertilizers, and particularly relates to a diatomite-based compound organic silicon fertilizer and a preparation method and application thereof.
Background
Silicon fertilizer is known as the fourth major element fertilizer after three major fertilizers of nitrogenous fertilizer, phosphatic fertilizer and potash fertilizer, and Yuanyuan leveling academy says that: the popularization of the silicon fertilizer can certainly bring up the second green revolution of rice and even all crops in China, so the importance of the silicon fertilizer can be seen. The silicon fertilizer can effectively improve the current situation of high yield, poor quality and poor yield of crops, because the silicon element is a component of cell walls, when gramineous plants lack silicon, plant stems and leaves are soft, photosynthesis is weak, disease resistance is poor, and the yield and quality of crops are influenced. Therefore, the application of a proper amount of silicon fertilizer can play the following roles: the fertilizer can obviously increase the lodging resistance, disease and insect pest resistance, drought and cold resistance of crops, improve the utilization rate of plants such as rice to nitrogen fertilizer and phosphate fertilizer, supplement nutrient elements required in the growth process, further improve the fruit setting rate and the seed setting rate, and achieve the purposes of high quality, high yield, safety and environmental protection.
The silicon fertilizer belongs to a medium element fertilizer, and mainly refers to a fertilizer taking effective silicon as a main index. The complex mixture mainly containing composite silicate is processed by a certain process by using raw materials containing silicon dioxide, generally iron-making furnace slag, potassium feldspar, sea ore, red mud, fly ash, diatomite and the like as main raw materials, and has no definite molecular formula and relative molecular mass. Generally, the silicon fertilizer is divided into water-soluble silicon fertilizer, citrate-soluble silicon fertilizer, calcium magnesium phosphate fertilizer, biological silicon fertilizer, diatomite-based silicon fertilizer and the like according to the characteristics of the silicon fertilizer. The diatomite-based silicon fertilizer contains rich effective silicon, is a silicon source with high quality and low price, can provide more Si elements required to be absorbed by plants, so that the polymerization is carried out on the surfaces of the plants to generate polysilicone, an effective protective layer is further formed, the harm of pests and bacteria to the plants is avoided, meanwhile, the diatomite is formed by the large-scale eruption and deposition of diatoms, is green and environment-friendly, has no pollution, and is a safe component. Therefore, the diatomite-based silicon fertilizer is one of the silicon fertilizers with excellent effects of improving quality, increasing yield, safety and environmental protection in the prior silicon fertilizer.
In recent years, with the rapid development of various industries such as industry and agriculture, soil contains more and more heavy metal ions, cannot be biodegraded, and is easy to accumulate in organisms, and many heavy metal ions are toxic or carcinogenic. Heavy metal ions of particular interest in soil pollution treatment include cadmium, mercury, arsenic, lead, chromium and the like. At present, the pollution problem of heavy metal ions seriously harms the safety of plants such as rice and the like, and more attention is paid. The common treatment methods include chemical precipitation, photocatalysis, microorganism removal, physical adsorption and the like. Physical adsorption can perform a synergistic effect with chemical adsorption due to the advantages of high removal efficiency, environmental friendliness and the like, and the improvement of adsorption efficiency is promoted, so that the method is an important method for removing heavy metal ions.
The diatomite for adsorbing heavy metal is typical physical adsorption, and is biological silicalite formed by ancient unicellular diatom through long-term geological action, and the main component of the biological Silicalite Is Opal (SiO)2·H2O) and variants thereof, SiO2The content is generally more than 80%, and further, Al is contained2O3、Fe2O3And metal oxide impurities such as CaO and MgO. Has the unique characteristics of large surface area, highly ordered porous structure, extremely low density, good thermal and chemical stability, rich reserves, low cost and the like. In addition, a large number of active groups (Si-OH) are arranged on the surface of the diatomite, and the ionization of the Si-OH can initiate negative charges on the surface of the diatomite, so that the adsorption of heavy metal ions is facilitated. Therefore, it is commonly used as an adsorbent for heavy metal ions.
At present, most of diatomite used in conventional diatomite-based silicon fertilizers in the market is natural diatomite, contains impurities, has a small intrinsic specific surface area, limits the exertion of the adsorption capacity of the diatomite-based composite organic silicon fertilizer, and needs a purification means to improve the content of the diatomite in unit volume; the pore structure is improved by a modification means, the capacity of adsorbing heavy metal pollution ions is fully improved, the soil adsorbent is acted, and the national double-carbon policy is responded to perform beautiful rural construction.
The present invention has been made to solve the above problems.
Disclosure of Invention
The diatomite-based composite organic silicon fertilizer is prepared by combining the physical and chemical properties of natural diatomite with a multi-level pore canal structure and the composite addition effect of diatoms, organic matters and other substances through the processes of granulation, sintering and the like, and a series of soil problems of serious heavy metal pollution, serious soil hardening phenomenon and the like are solved.
The invention provides a diatomite-based composite organic silicon fertilizer, which is granular and comprises the following components: 70-90 wt% of silicon dioxide, 5-15 wt% of organic matters and a binder.
In the second aspect of the invention, the preparation method of the diatomite-based composite organic silicon fertilizer comprises the following steps:
crushing, mixing and granulating 85-92 parts by mass of diatomite-loaded nano metal oxide composite particles, 8-13 parts by mass of an organic fertilizer, 0.5-1.5 parts by mass of diatoms, 0.2-0.3 part by mass of a carboxymethyl binder and 0.2-0.3 part by mass of bentonite to obtain primary silicon fertilizer particles;
and then calcining, cooling, screening and coating the primary particles of the silicon fertilizer to obtain the composite organic silicon fertilizer.
Preferably, the calcination condition is that the calcination temperature is 150-200 ℃, and the calcination time is 0.5-1 h.
Preferably, the diatomaceous earth is TiO-loaded2The preparation method of the composite particles comprises the following steps:
step A, under the condition of ice-water bath, 400-600 g of diatomite is matched with 2-3L of distilled water, the mixture is placed into a reaction kettle, 50-100 mL of concentrated hydrochloric acid with the concentration of 30-35 wt% is added while stirring, and then 50-100 mL of TiCl with the concentration of 2.5-3.5 mol/L is added4Carrying out solution treatment for 12-15 min to obtain a mixture;
and step B, mixing 1.2-1.6 mol/L ammonium sulfate solution and concentrated hydrochloric acid according to the weight ratio of 10: 1, preparing a mixed solution, and then adding the mixed solution into the mixture obtained in the step A to obtain a mixture B;
step C, after mixing and stirring for a period of time, heating the mixture B obtained in the step B to 30-35 ℃, preserving heat for 1-1.5 h, dripping 1.8-2.2 mol/L ammonium carbonate solution, adjusting the pH value to 4.5-5, reacting for 1-1.5 h, filtering and washing to obtain a mixture C;
step D, drying the mixture C obtained in the step C at 100-110 ℃ for 3-4 h, calcining at 640-660 ℃, and preserving heat for 4-5 h to obtain the diatomite-loaded TiO2A composite material.
Preferably, the preparation method of the organic fertilizer comprises the following steps: adding 200-300 parts by mass of auxiliary materials and 0.3-0.5 part by mass of leavening agent into 1000 parts by mass of excrement, and fully fermenting to prepare an organic fertilizer; wherein the auxiliary materials are selected from one or more of straws, rice straws or plant ash.
Preferably, the particle size of the silicon fertilizer primary particles is 1-5 mm.
The third aspect of the invention provides the application of the diatomite-based composite organic silicon fertilizer in the first aspect in improving crop yield, reducing plant diseases and insect pests and reducing the content of toxic metal ions in soil.
Specifically, the preparation method of the diatomite-based composite organic silicon fertilizer comprises the following steps:
(1) the method is characterized by selecting diatomite from Jilin, Yunnan or Sichuan, preferably selecting high-quality diatomite from Jilin Changbai mountain areas (Yangtze city and Changbai county) or Yunnan Tengchong, and mainly characterized in that the color is mainly white or grey white, the content of diatoms is more than 90 percent, the content of clay minerals is about 5 percent, and a small amount of clastic minerals and magnetite substances can be seen as phytolithic stones sometimes. The biological structure is of a micro-layered or block structure, the thickness of a single layer is 1-5 mm, the weight is light, the biological structure is loose and fine, the biological structure looks like bean dregs when wet, and looks like white soil when dry. In particular, black diatomite with high organic matter content can be selected, which is more beneficial to solving the soil hardening problem.
(2) The method comprises the steps of removing quartz and sand in diatomite ores by a sedimentation method or a centrifugal method, wherein the quartz is a hard and insoluble solid and is not beneficial to the water and fertilizer retention of the silicon fertilizer by plants, and the sand belongs to impurities and can reduce the purity of the diatomite. The settling method comprises the following specific steps: dissolving diatomite with alkaline solution such as NaOH solution, KOH solution, ammonia water, etc., settling quartz and sand, adding acid to adjust pH value, filtering, drying and calcining; the centrifugation method comprises the following specific steps: the principle of separating quartz and sand by using a centrifugal machine is that according to the difference of sedimentation coefficients or buoyancy densities of substances, diatomite is separated and purified by using centrifugal force. In particular, diatomaceous earth of very high purity (diatom content above 95%) may omit this step.
(3) Adding nano metal oxide rich in active hydroxyl groups on the surface, such as TiO into the diatomite in the step (2)2，ZrO2Etc., which have the characteristics of being easily bound to pollutants in a solution and having high adsorption activity, and the nano metal oxide is supported on diatomaceous earthThe high-efficiency adsorption of pollutants in the water body can be realized through the synergistic effect of the two components.
Preferably, the supported nano-oxide is TiO2. The specific experimental steps are as follows: under the ice-water bath condition, 500g of purified diatomite is matched with 2-3L of distilled water, the mixture is placed into a reaction kettle, a small amount of concentrated hydrochloric acid with the concentration of 30-35 wt% is added while stirring, and then a certain amount of TiCl with the concentration of 2.5-3.5 mol/L is added4And (3) solution. After 12-15 min, mixing 1.2-1.6 mol/L ammonium sulfate solution and concentrated hydrochloric acid according to the weight ratio of 10: 1, then adding the mixture into the TiC14In aqueous solution. After mixing and stirring for a period of time, heating the mixture to 30-35 ℃ and preserving heat for 1-1.5 h. Dripping 1.8-2.2 mol/L ammonium carbonate solution, adjusting the pH value to 4.5-5, reacting for 1-1.5 h, filtering and washing. Drying at 100-110 ℃ for 3-4 h, calcining at 640-660 ℃, and preserving heat for 4-5 h to obtain the diatomite-loaded TiO2A composite material.
(4) Adding certain auxiliary materials such as straws, rice straws, plant ash and the like into excrement such as cow dung, human dung, pig dung and the like, adding a leavening agent, and fully fermenting in a fermentation tank to prepare the organic fertilizer. Preferably, the excrement is cow dung which contains rich organic matters, nitrogen, phosphorus, potassium and other elements, and has large volume and low cost. Preferably, the cow dung is fresh cow dung, and the fermentation effect is better than that of old cow dung. Preferably, the auxiliary materials are selected from plant ash, which contains a large variety of nutrients necessary for the growth of crops, and various ash elements in plants, and is more easily fermented. The leavening agent is one of ferment bacteria, quick-rotting agent and Biochemical Fulvic Acid (BFA). Preferably, the ratio of the cow dung to the leavening agent is 1 ton of cow dung and 0.3-0.5 kg of leavening agent is added, so that the effect is better and the time is relatively shorter.
(5) TiO-loaded diatomite obtained in the step (3)2And (5) mixing the composite material with the organic fertilizer prepared in the step (4), adding the diatom, the carboxymethyl binder and the bentonite, and granulating. Preferably, the diatom is seawater diatom, the carbon fixation and fertility improvement effects are better, and the added content is 0.5-1.5 wt%; preferably, the carboxymethyl binder plays a role in binding, and the addition amount is 0.2-0.3 wt%; preferably, bentonite is also presentThe adhesive plays a role of an adhesive, and the addition amount is 0.2-0.3 wt%. Preferably, the content of the added organic fertilizer is 8-13 wt%. The weight percent is that the diatomite is loaded with TiO2The total mass of the composite material, the organic fertilizer, the diatom, the carboxymethyl binder and the bentonite is taken as a reference.
The experiment comprises the following specific steps: fully crushing, stirring and mixing the modified diatomite, the organic fertilizer, the diatom, the carboxymethyl binder and the bentonite in a container, and then granulating on a disc granulator, wherein the diameter of a disc is 1000mm, the inclination angle is 30-45 degrees, the rotating speed is 20-30 rpm, a spray can is used for spraying water in the granulation process so as to better process particles, and the particle size of the prepared particles is preferably 1-5 mm.
After granulation is finished, the diatomite-based composite organic fertilizer can be processed through the procedures of calcining, cooling, screening, coating, packaging, weighing and the like.
The technical scheme can be freely combined on the premise of no contradiction.
Compared with the prior art, the invention has the following beneficial effects:
1. the novel diatomite-based composite organic fertilizer is prepared by the methods of purification, modification, compounding and the like. Specifically, the method comprises the following steps: (1) by mixing nano metal oxides such as TiO2、ZrO2The composite material is compounded with diatomite, and the heavy metal can be effectively adsorbed by utilizing the synergistic effect of the two materials, so that the soil adsorbent is played; (2) the defects of the diatomite are made up by introducing the diatomite, and the problems that the original active sites such as hydroxyl and the like on the surface of the diatomite and the unique biological micropore performance are gradually reduced along with the deposition age are solved. The diatomite obtained after the calcination of the diatom contains rich active groups and high reaction activity on the surface, and the surface of the diatomite is not attached by other minerals such as quartz and the like, so that active sites are completely reserved, the pore structure is not blocked, and the specific surface area is higher. Therefore, the introduction of diatom can improve the adsorption and loading properties of the silicon fertilizer.
In conclusion, the novel diatomite-based composite organic fertilizer overcomes the defects of more impurities and small intrinsic specific surface area of natural diatomite and endows the diatomite with great added value; and secondly, the adsorption of heavy metal ions is improved, and the safety of crops such as rice, fruit trees, peanuts and the like is facilitated.
2. The fertilizer disclosed by the invention is non-toxic and environment-friendly, and cannot cause pollution to soil and the surrounding environment. In addition, the fertilizer is rich in organic matters, and can solve the problem of soil hardening. Therefore, the novel diatomite-based composite organic fertilizer is a multifunctional, efficient and environment-friendly silicon fertilizer and has a good application prospect.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to these examples. The experimental methods not specified in the examples are generally commercially available according to the conventional conditions and the conditions described in the manual, or according to the general-purpose equipment, materials, reagents and the like used under the conditions recommended by the manufacturer, unless otherwise specified. The starting materials required in the following examples and comparative examples are all commercially available.
The method is characterized in that Tongqing Liangping is taken as a novel diatomite-based compound organic fertilizer sowing place, and typical crops of rice, grapefruit and peanut are selected as experimental objects:
example 1
First, TiO is loaded on diatomite2The preparation method of the composite particles comprises the following steps:
adding 500g purified diatomite with 2L distilled water in an ice-water bath, placing in a reaction kettle, adding 50mL concentrated hydrochloric acid with the concentration of 30 wt% while stirring, and then adding 300mL TiCl with the concentration of 2.5mol/L4Solution, after 12min, 1.2mol/L ammonium sulfate solution and concentrated hydrochloric acid were mixed as 10: 1, and then adding 150mL of the mixed solution to the TiC14In aqueous solution. After mixing and stirring for 0.5h, the mixture was warmed to 30 ℃ and held for 1 h. Dropping 1.8mol/L ammonium carbonate solution, adjusting pH value to 4.5, reacting for 1h, filtering and washing. Drying at 100 deg.C for 3h, calcining at 640 deg.C, and maintaining for 4h to obtain diatomite-supported TiO2Composite particles.
And step two, the preparation method of the organic fertilizer comprises the following steps:
adding plant ash into cow dung, adding a fermenting agent, adding 200kg of plant ash and 0.3kg of fermenting agent into 1 ton of cow dung, and fully fermenting for 5 days in a fermentation tank at 100 ℃ to prepare the organic fertilizer. The leavening agent is ferment bacteria.
Step three, preparing the diatomite-based composite organic silicon fertilizer:
TiO-loaded diatomite obtained in the first step is placed in a container2And fully crushing, stirring and mixing the composite particles, the organic fertilizer obtained in the second step, the diatom, the carboxymethyl binder and the bentonite. Modified diatomite: organic fertilizer: diatom: carboxymethyl binder: the mass percent of the bentonite is 88.1%: 11%: 0.5%: 0.2%: 0.2 percent. And granulating on a disk granulator, wherein the diameter of a disk is 1000mm, the inclination angle is 30 degrees, the rotating speed is 20rpm, and the particle size of the prepared particles is preferably 2 mm. After granulation is finished, the diatomite-based composite organic fertilizer can be processed by the procedures of calcining for 1 hour at 150 ℃, cooling, screening, coating, packaging and weighing, and the like.
Comparative example 1
The diatomite-based compound organic fertilizer was prepared according to the method of example 1, except that the diatom was not added.
Application example 1
The results of comparing the diatomite-based composite silicone fertilizer prepared in example 1 and comparative example 1 with the effect of commercially available diatomite-based silicone fertilizer on fertilization of typical crops, rice, grapefruit and peanut are shown in table 1 below.
Table 1 demonstrates that:
1. compared with the organic silicon fertilizer prepared without adding diatom, the organic silicon fertilizer prepared after adding diatom has higher yield-increasing effect on the fertilization of rice, grapefruit and peanut.
2. Compared with the diatomite-based silicon fertilizer in the market, the organic silicon fertilizer has higher yield-increasing effect on the fertilization of rice, shaddock and peanut.
Table 1: fertilizer application effect comparison table
| Fertilizer | Example 1 | Comparative example 1 | Diatomite-based silicon fertilizer on market |
| Amount of fertilizer applied | 50 kg/mu | 50 kg/mu | 50 kg/mu |
| Fertilizing method | Foliar or root fertilisation | Foliar or root fertilisation | Root system fertilizer |
| Increase yield of rice (compared with the rice without silicon fertilizer)/wt% | 21.3％ | 14.6％ | 5.2％ |
| The yield of the shaddock is increased (compared with the shaddock which is not applied with the silicon fertilizer)/wt% | 18.3％ | 13.3％ | 6.3％ |
| The yield of the peanuts is increased (compared with the method without applying the silicon fertilizer)/wt% | 19.8％ | 13.8％ | 5.9％ |
Example 2
First, TiO is loaded on diatomite2The preparation method of the composite particles comprises the following steps:
(1) under the condition of ice-water bath, 500g of purified diatomite is added with 2.5L of distilled water and placed into a reaction kettle, 60ml of concentrated hydrochloric acid with the concentration of 33 percent is added while stirring, and then 400ml of TiCl with the concentration of 3.0mol/L is added4And (3) solution. After 13min, 1.4mol/L ammonium sulfate solution and concentrated hydrochloric acid were mixed as 10: 1 to 200mL of the mixed solution was added to TiC14In aqueous solution. After mixing and stirring for 0.8h, the mixture was warmed to 32 ℃ and held for 1.2 h. Dropping 1.9mol/L ammonium carbonate solution, adjusting pH value to 4.8, reacting for 1.2h, filtering and washing. Drying at 105 deg.C for 3.5h, calcining at 650 deg.C, and maintaining for 4.2h to obtain diatomite-supported TiO2Composite particles.
And step two, the preparation method of the organic fertilizer comprises the following steps:
adding plant ash into cow dung, adding a leavening agent, adding 250kg of plant ash and 0.4kg of leavening agent into 1 ton of cow dung, and fully fermenting at 110 ℃ in a fermentation tank for 6 days to prepare the organic fertilizer, wherein the leavening agent is a quick-rotting agent.
Step three, preparing the diatomite-based composite organic silicon fertilizer:
fully crushing, stirring and mixing the modified diatomite, the organic fertilizer, the diatomite, the carboxymethyl binder and the bentonite in a container. Modified diatomite: organic fertilizer: diatom: carboxymethyl binder: the bentonite comprises 88.6 percent: 10%: 0.9%: 0.25%: 0.25 percent. And granulating on a disk granulator, wherein the diameter of a disk is 1000mm, the inclination angle is 35 degrees, the rotating speed is 25rpm, and the particle size of the prepared particles is preferably 3 mm. After granulation is finished, calcining for 0.8h at 180 ℃, cooling, screening, coating, packaging and weighing and the like, and the novel diatomite-based composite organic fertilizer can be processed.
Comparative example 2
The diatomite-based compound organic fertilizer was prepared according to the method of example, except that the diatom was not added.
Application example 2
The results of comparing the diatomite-based composite organosilicon fertilizer prepared in example 2 and comparative example 2 with the effect of commercially available diatomite-based organosilicon fertilizer on fertilization of typical crops of rice, grapefruit and peanut are shown in table 2 below.
Table 2 demonstrates that:
1. compared with the condition that diatom is not added, the organic silicon fertilizer prepared by adding diatom has higher yield-increasing effect on the fertilization of rice, shaddock and peanut.
2. Compared with the diatomite-based silicon fertilizer in the market, the organic silicon fertilizer has higher yield-increasing effect on the fertilization of rice, shaddock and peanut.
Table 2: fertilization effect comparison table
| Fertilizer | Example 2 | Comparative example 2 | Diatomite-based silicon fertilizer on market |
| Amount of fertilizer applied | 50 kg/mu | 50 kg/mu | 50 kg/mu |
| Fertilizing method | Foliar or root fertilisation | Foliar or root fertilisation | Root fertilizer application |
| Increase of rice yield(compare not applying silicon fertilizer)/wt% | 22.7％ | 13.9％ | 5.2％ |
| The yield of the shaddock is increased (compared with the shaddock which is not applied with the silicon fertilizer)/wt% | 18.9％ | 14.1％ | 6.3％ |
| The yield of the peanuts is increased (compared with the method without applying the silicon fertilizer)/wt% | 20.2％ | 12.5％ | 5.9％ |
Example 3
First, TiO is loaded on diatomite2The preparation method of the composite particles comprises the following steps:
under the condition of ice-water bath, 500g of purified diatomite is added with 3L of distilled water and placed into a reaction kettle, 80mL of concentrated hydrochloric acid with the concentration of 35 percent is added while stirring, and then 500mL of TiCl with the concentration of 3.5mol/L is added4And (3) solution. After 15min, 1.6mol/L ammonium sulfate solution and concentrated hydrochloric acid were mixed as 10: 1 to a volume ratio of 1, and then adding 250mL of the mixed solution to the above TiC14In aqueous solution. After mixing and stirring for 1h, the mixture was warmed to 35 ℃ and held for 1.5 h. And 2.2mol/L ammonium carbonate solution is dropped into the mixture, the pH value is adjusted to be 5.0, and the mixture is filtered and washed after 1.5h of reaction. Drying at 110 deg.C for 4h, calcining at 660 deg.C, and maintaining for 4.5h to obtain diatomite-supported TiO2And (3) composite particles.
And step two, the preparation method of the organic fertilizer comprises the following steps:
adding plant ash into cow dung, adding a fermenting agent, adding 300kg of plant ash and 0.5kg of fermenting agent into 1 ton of cow dung, and fully fermenting at 120 ℃ in a fermentation tank for 7 days to prepare an organic fertilizer, wherein the fermenting agent is Biochemical Fulvic Acid (BFA).
Step three, preparing the diatomite-based composite organic silicon fertilizer:
fully crushing, stirring and mixing the modified diatomite, the organic fertilizer, the diatom, the carboxymethyl binder and the bentonite in a container. Modified diatomite: organic fertilizer: diatom: carboxymethyl binder: the bentonite comprises 89.4 percent: 9%: 1.0%: 0.3%: 0.3 percent. And granulating on a disk granulator, wherein the diameter of a disk is 1000mm, the inclination angle is 45 degrees, the rotating speed is 30rpm, and the particle size of the prepared particles is preferably 3.5 mm. After granulation is finished, calcining for 0.5h at 200 ℃, cooling, screening, coating, packaging and weighing and the like, and the novel diatomite-based composite organic fertilizer can be processed.
Comparative example 3
The diatomite-based compound organic fertilizer was prepared according to the method of example 3, except that the diatom was not added.
Application example 3
The results of comparing the diatomite-based composite silicone fertilizer prepared in example 3 and comparative example 3 with the effect of commercially available diatomite-based silicone fertilizer on fertilization of typical crops, rice, grapefruit and peanut are shown in table 3 below.
Table 3 demonstrates that:
1. compared with the condition that diatom is not added, the organic silicon fertilizer prepared by adding diatom has higher yield-increasing effect on the fertilization of rice, shaddock and peanut.
2. Compared with the diatomite-based silicon fertilizer in the market, the organic silicon fertilizer has higher yield-increasing effect on the fertilization of rice, shaddock and peanut.
TABLE 3 comparison of fertilization effect
Application example 4
The contents of toxic metal ions such as cadmium, mercury, arsenic, lead, chromium and the like in the rice obtained in examples 1 to 3, comparative examples 1 to 3 and after the application of the commercial diatomite-based silicon fertilizer were respectively detected, and the results are shown in table 4.
Table 4 demonstrates that:
1. compared with the condition that no diatom is added, the organic silicon fertilizer prepared by adding diatom has higher adsorption effect on heavy metal ions in rice.
2. Compared with the diatomite-based silicon fertilizer on the market, the organic silicon fertilizer has higher adsorption effect on heavy metal ions in rice.
TABLE 4 comparative statistics of heavy metal ion content in rice after applying three fertilizers
Claims (7)
1. The diatomite-based composite organic silicon fertilizer is characterized by being granular and comprising the following components in percentage by weight: 70-90 wt% of silicon dioxide, 5-15 wt% of organic matters and a binder.
2. The preparation method of the diatomite-based composite organosilicon fertilizer as claimed in claim 1 comprises the following steps:
crushing, mixing and granulating 85-92 parts by mass of diatomite-loaded nano metal oxide composite particles, 8-13 parts by mass of an organic fertilizer, 0.5-1.5 parts by mass of diatoms, 0.2-0.3 part by mass of a carboxymethyl binder and 0.2-0.3 part by mass of bentonite to obtain primary silicon fertilizer particles;
and then calcining, cooling, screening and coating the primary particles of the silicon fertilizer to obtain the composite organic silicon fertilizer.
3. The method according to claim 2, wherein the calcination is carried out at a calcination temperature of 150 to 200 ℃ for 0.5 to 1 hour.
4. The method according to claim 2, wherein the diatomaceous earth-supported nano metal oxide composite particles are diatomaceous earth-supported TiO2The preparation method of the composite particle comprises the following steps:
step A, under the condition of ice-water bath, adding diatomite and distilled water into a reaction kettle, adding concentrated hydrochloric acid with the concentration of 30-35 wt% while stirring, and then adding TiCl with the concentration of 2.5-3.5 mol/L4Carrying out solution treatment for 12-15 min to obtain a mixture A;
and step B, mixing 1.2-1.6 mol/L ammonium sulfate solution and concentrated hydrochloric acid according to the weight ratio of 10: 1, and then adding the mixed solution into the mixture A obtained in the step A to obtain a mixture B;
step C, after mixing and stirring for a period of time, heating the mixture B obtained in the step B to 30-35 ℃, preserving heat for 1-1.5 h, dripping 1.8-2.2 mol/L ammonium carbonate solution, adjusting the pH value to 4.5-5, reacting for 1-1.5 h, filtering and washing to obtain a mixture C;
d, drying the mixture C obtained in the step C at the temperature of 100-110 ℃ for 3-4 h, calcining at the temperature of 640-660 ℃, and preserving heat for 4-5 h to obtain the diatomite-loaded TiO2A composite material.
5. The preparation method according to claim 2, characterized in that the organic fertilizer is prepared by the following steps: adding 200-300 parts by mass of auxiliary materials and 0.3-0.5 part by mass of leavening agent into 1000 parts by mass of excrement, and fully fermenting to prepare an organic fertilizer; wherein the auxiliary materials are selected from one or more of straws, rice straws or plant ash.
6. The preparation method according to claim 3, wherein the primary silicon fertilizer particles have a particle size of 1-5 mm.
7. The use of the diatomite-based composite organosilicon fertilizer of claim 1 for increasing crop yield, reducing plant diseases and insect pests, and reducing toxic metal ion content in soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210247995.6A CN114560739A (en) | 2022-03-14 | 2022-03-14 | Diatomite-based composite organic silicon fertilizer and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210247995.6A CN114560739A (en) | 2022-03-14 | 2022-03-14 | Diatomite-based composite organic silicon fertilizer and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114560739A true CN114560739A (en) | 2022-05-31 |
Family
ID=81719765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210247995.6A Pending CN114560739A (en) | 2022-03-14 | 2022-03-14 | Diatomite-based composite organic silicon fertilizer and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114560739A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115717076A (en) * | 2022-09-08 | 2023-02-28 | 天津大学 | Preparation method and application of saline-alkali soil ecological modifier |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195086A (en) * | 2006-12-06 | 2008-06-11 | 中国矿业大学(北京) | Method for producing tripolite loading nano-TIO2 material capable of being used for water and air purification |
| US20080214396A1 (en) * | 2004-06-04 | 2008-09-04 | Douglas John Best | Plant Treatment Agents |
| CN101279864A (en) * | 2008-05-29 | 2008-10-08 | 朱天南 | Preparation of organic fertilizer having insecticidal effect |
| JP2014201470A (en) * | 2013-04-03 | 2014-10-27 | 幹生 杉本 | Fertilizer |
| CA2914547A1 (en) * | 2014-12-12 | 2016-06-12 | Avalon Alliance Inc. | Bio-available mineral fertilizer and derivative applications, including product processes |
| CN105967784A (en) * | 2016-05-17 | 2016-09-28 | 阜阳大丰收农业种植专业合作社 | Biomass organic fertilizer for improved planting of oily peonies in cold waterlogged paddy field |
| WO2016181176A1 (en) * | 2015-05-11 | 2016-11-17 | Plantaco Logisztikai És Szolgáltató Kft. | Plant conditioner containing alginite and vericompost derivatives |
| CN107245011A (en) * | 2017-06-09 | 2017-10-13 | 中国科学院广州地球化学研究所 | A kind of diatom soil matrix siliceous fertilizer and preparation method thereof |
| WO2018169397A1 (en) * | 2017-03-15 | 2018-09-20 | Technische Universiteit Delft | Diatoms as natural carriers for controlled release for metal protection and coatings |
| CN109012642A (en) * | 2018-09-08 | 2018-12-18 | 佛山市森昂生物科技有限公司 | A kind of preparation method of diatomite based composite adsorption material |
| CN109745961A (en) * | 2019-03-20 | 2019-05-14 | 福州大学 | The preparation method and application of diatomite growth in situ titanium dioxide nano-rod |
| CN111362747A (en) * | 2020-03-24 | 2020-07-03 | 高光林 | Hydrocarbon diatom photonuclear fertilizer and preparation method thereof |
-
2022
- 2022-03-14 CN CN202210247995.6A patent/CN114560739A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080214396A1 (en) * | 2004-06-04 | 2008-09-04 | Douglas John Best | Plant Treatment Agents |
| CN101195086A (en) * | 2006-12-06 | 2008-06-11 | 中国矿业大学(北京) | Method for producing tripolite loading nano-TIO2 material capable of being used for water and air purification |
| CN101279864A (en) * | 2008-05-29 | 2008-10-08 | 朱天南 | Preparation of organic fertilizer having insecticidal effect |
| JP2014201470A (en) * | 2013-04-03 | 2014-10-27 | 幹生 杉本 | Fertilizer |
| CA2914547A1 (en) * | 2014-12-12 | 2016-06-12 | Avalon Alliance Inc. | Bio-available mineral fertilizer and derivative applications, including product processes |
| WO2016181176A1 (en) * | 2015-05-11 | 2016-11-17 | Plantaco Logisztikai És Szolgáltató Kft. | Plant conditioner containing alginite and vericompost derivatives |
| CN105967784A (en) * | 2016-05-17 | 2016-09-28 | 阜阳大丰收农业种植专业合作社 | Biomass organic fertilizer for improved planting of oily peonies in cold waterlogged paddy field |
| WO2018169397A1 (en) * | 2017-03-15 | 2018-09-20 | Technische Universiteit Delft | Diatoms as natural carriers for controlled release for metal protection and coatings |
| CN107245011A (en) * | 2017-06-09 | 2017-10-13 | 中国科学院广州地球化学研究所 | A kind of diatom soil matrix siliceous fertilizer and preparation method thereof |
| CN109012642A (en) * | 2018-09-08 | 2018-12-18 | 佛山市森昂生物科技有限公司 | A kind of preparation method of diatomite based composite adsorption material |
| CN109745961A (en) * | 2019-03-20 | 2019-05-14 | 福州大学 | The preparation method and application of diatomite growth in situ titanium dioxide nano-rod |
| CN111362747A (en) * | 2020-03-24 | 2020-07-03 | 高光林 | Hydrocarbon diatom photonuclear fertilizer and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 无: "《怎样制取和利用沼气》", 30 September 1975, 山东人民出版社 * |
| 王菊香等: "《高等学校医学检验技术专业教材》", 31 August 2019, 武汉大学出版社 * |
| 笋振钧: "《生态循环养殖模式》", 30 June 2018, 中国农业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115717076A (en) * | 2022-09-08 | 2023-02-28 | 天津大学 | Preparation method and application of saline-alkali soil ecological modifier |
| CN115717076B (en) * | 2022-09-08 | 2024-05-03 | 天津大学 | Preparation method and application of saline-alkali soil ecological modifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017147979A1 (en) | Method for preparing iron silicon sulfur multi-element composite biochar soil heavy metal conditioner | |
| CN113072947B (en) | Stable repairing agent for improving heavy metal soil and preparation method and application thereof | |
| CN104355785A (en) | Long-acting slow release organic fertilizer and preparation method thereof | |
| CN102212496B (en) | Bacillus mucilaginosus and applications thereof | |
| CN108456105B (en) | Pine charcoal-based microbial soil conditioner and preparation method thereof | |
| CN104355787A (en) | Organic fertilizer for loosening soil and improving stability and preparing method of organic fertilizer | |
| CN106831260B (en) | Wine grape garden soil conditioner and preparation method thereof | |
| CN111099935A (en) | Nutrient slow-release acid soil conditioner and preparation method thereof | |
| CN106116786A (en) | The preparation method that a kind of organic functions containing PAL biological restoration preparation is fertile | |
| CN115505536A (en) | Aspergillus niger CA-5 and application thereof | |
| CN102775254B (en) | Method for producing special multi-element fertilizer for rice from kieselguhr | |
| CN114560739A (en) | Diatomite-based composite organic silicon fertilizer and preparation method and application thereof | |
| CN114605193A (en) | Preparation method and application of composite liquid silicon fertilizer | |
| CN114105715A (en) | Environment-friendly modifier for improving saline-alkali soil and preparation method thereof | |
| CN116986953B (en) | Soil fertility-improving conditioner and preparation method thereof | |
| CN113583681A (en) | Biological conditioner for regulating subacid soil and preparation method and application method thereof | |
| CN104140307A (en) | Cyanobacteria organic fertilizer and manufacturing method thereof | |
| CN113735644B (en) | Special lodging-resistant fertilizer for rice for improving root system activity and preparation method thereof | |
| CN116064044A (en) | Soil conditioner and soil conditioning method for repairing acidification hardening and heavy metal pollution | |
| CN115340424A (en) | Coal gangue magnetized soil conditioner and preparation method thereof | |
| CN109053326A (en) | Particle nitrogen fertilizer and preparation method thereof is prepared using the nitrogenous effluent in taurine industrial production | |
| CN111500290A (en) | Saline-alkali soil lead and cadmium heavy metal ion remover and preparation method thereof | |
| CN110937695B (en) | Composite material and method for biogas slurry recycling treatment | |
| CN111196746A (en) | Soil conditioner for vineyard | |
| CN106242890A (en) | A kind of seaweed organic fertilizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220531 |
|
| RJ01 | Rejection of invention patent application after publication |