CN108570326A - Composition and its preparation method and application for in-situ passivation acid soil heavy metal - Google Patents

Composition and its preparation method and application for in-situ passivation acid soil heavy metal Download PDF

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CN108570326A
CN108570326A CN201810499577.XA CN201810499577A CN108570326A CN 108570326 A CN108570326 A CN 108570326A CN 201810499577 A CN201810499577 A CN 201810499577A CN 108570326 A CN108570326 A CN 108570326A
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heavy metal
soil
parts
composition
biomass ash
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CN108570326B (en
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秦汉俊
徐建东
李华
杨静静
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Anhui Guozhen Ecological Agriculture Technology Co.,Ltd.
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00Soil-conditioning materials or soil-stabilising materials
    • C09K17/40Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/08Reclamation of contaminated soil chemically
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05DINORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D1/00Fertilisers containing potassium
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80Soil conditioners
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C2101/00In situ
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2101/00Agricultural use
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2109/00MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Soil Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Pest Control & Pesticides (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

For the composition and its preparation method and application of in-situ passivation acid soil heavy metal, it is made of by weight following raw material:30~80 parts of biomass ash, 3~50 parts of rice hull carbon, 3~30 parts of ammonium lignosulphonate, 5~30 parts of ferrous sulfate.The present invention is acted synergistically with multicomponents such as biomass ash, rice hull carbon, ammonium lignosulphonate, ferrous sulfate, and research and development heavy metal Cd, Pb in-situ passivation agent promote soil pH value, while providing abundant middle trace element for soil, promote the yield and quality of crops.It solves the problem of environmental pollutions such as biomass ash stacking, dust and the high ph-values of biomass power plant generation, realizes the comprehensive utilization of the waste resources such as biomass ash, rice husk.

Description

Composition and its preparation method and application for in-situ passivation acid soil heavy metal
Technical field
The invention belongs to technical field of soil remediation, and in particular to be used for the composition of in-situ passivation acid soil heavy metal And its preparation method and application.
Background technology
Due to cropping pattern, inorganic fertilizer a large amount of applications, the discharge of trade waste, indiscriminate use of pesticide and weather etc. because The influence of element, China's heavy metal in soil is seriously polluted at present, and on the rise.China is by the weight such as cadmium, arsenic, chromium, lead at present The nearly 20.0*10 of cultivated area of metallic pollution3km2, account for about the 1/5 of total area under cultivation;Wherein Industrial " three Waste " pollution arable land 10.0*103km2, the farmland area of sewage irrigation oneself reach 3.3*103km2.Heavy metal pollution brings following harm:(1) serious Economic loss, annual just more than 1,000 ten thousand tons of underproduction grain due to heavy metal pollution in the whole nation, serious heavy metal pollution can lead to farming The object underproduction is even had no harvest, in addition also up to 12,000,000 tons or more every year of contaminated by heavy metals grain, adds up to economic loss at least Reach 20,000,000,000 yuan or more.(2) seriously affect crops quality, there are many good fortune in the foods such as grain, vegetables and fruit in place, The content of beary metal such as chromium, arsenic, lead are exceeded and close to critical value.(3) health is seriously endangered, heavy metal is in plant (work) object Accumulation, and be enriched in human body and animal body by food chain, human and livestock health is endangered, cancer and Other diseases etc. are caused.
China's acid soil far surpasses 300,000,000 mu, and soil is even on the south the Changjiang river is acidified for acidity, especially Soils In Hunan Province, heavy metal It is seriously polluted.The pH value of most of acid soil is less than 5.5, and some is even lower than 4.5.Soil acidification is brought to endanger as follows: (1) cation exchange capacity (CEC) (CEC) and salt loading degree reduce, and soil fertility is caused to decline;(2) promote other nutrient (ratios Such as phosphorus) fixation, substantially reduce the effective rate of utilization of P elements;(3) promote certain toxic element (such as heavy metals and aluminium ion Deng) release, activation, dissolution, contaminated soil and water environment, or even threaten health;(4) inhibit soil beneficial microorganism Growth influences the decomposition of the soil organism and the cycle of C, N, P and S in soil;As non-regeneration energy crisis increasingly sharpens, Biomass generation rapidly develops in China, and more than 665, whole nation biomass electric power plant produces biomass ash per year up to 26,600,000 tons at present More than, processing mode only stack by simple landfill or leased land at present, causes seriously to pollute to ambient atmosphere, soil, water.
Heavy metal in soil method for governing pollution mainly has:Soil agrochemistry improves control methods, gongwu chemical method and life Object restorative procedure, gongwu chemical method are suitble to the soil pollution of processing plant, processing cost high.Biological renovation method not from Soil radical change is administered, and is not a kind of long-term administering method.Soil agrochemistry improves control methods by adjusting soil pH value, organic Matter, CEC, soil water grading factors improve its biological effectiveness, an abatement huge sum of money to change the water solubility of heavy metal in soil Belong to contamination hazard, it is at low cost, it is suitble to farmland to administer heavy metal.But key is how the amount of searching out is big, the raw material of stable quality.
The product that the country adjusts soil pH mainly uses quick lime, and quick lime is the natural mineral matter burnt into stone, Production process consumes mass energy, and chronic administration, soil hardening can be caused by supplementing a large amount of Ca elements, if discontinuous use, soil acid Change even more serious, while the uniform content stability of heavy metal is also be worth discussion the problem of in national quick lime.
105670636 A of Chinese invention CN it is a kind of repair cadmium copper pollution acid soil passivating material and preparation method and Using the pH 10~13 of passivating material, raw material is biomass power plant ash, lime, rock phosphate in powder under conditions of not adding adhesive Balling-up, the heavy metal cadmium copper being passivated in acid soil;106010542 A one kind of Chinese invention CN is used for heavy-metal contaminated soil Sludge organism charcoal of reparation and preparation method thereof prepares sludge base charcoal using municipal sludge and palygorskite mixing gasifying, makees For heavy metal pollution soil-repairing agent, heavy metal activity is reduced just with the adsorptivity of charcoal;Chinese invention CN The reparation conditioner and preparation method thereof of 103242849 A copper cadmium pollution acid soils, utilizes organic fertilizer, quick lime and nanometer hydroxyl Base apatite prepares the reparation conditioner for repairing copper cadmium pollution.These invention material therefors and principle be with the present invention not Together, the present invention improves the pH value of soil with the middle trace element in biomass ash, improves soil physico-chemical property, for a passivation huge sum of money Category creates conditions;Charcoal in rice hull carbon and contained active SiO itself2After plant absorption, silicified cell is formed with plant cell, The intensity of plant cell wall is improved, permeability of cell membrane is reduced, inhibits absorption of the plant to heavy metal Cd, Pb, Cr etc.;Lignin Ichthyodin complexing reduces the activity of Cd, Pb;Reducing agent FeSO4Middle Fe2+It is adsorbed to form iron film by root system of plant in the soil, hinder Hinder contact of the heavy metal ion with root system of plant;Make Cr6+It is converted into Cr3+, the activity of heavy metal Cr is reduced, and the present invention is passivated The pH value of material is 10~13, has the compound collaboration passivation heavy metal-polluted soil of a variety of principles, better.
Biomass ash be biomass power plant generate waste, pH value 10~13, main component be k, Si, Ca, Mg, The metal oxides such as Fe, Cu, Zn, Mn, B, this dvielement be plant growth must and the middle trace element that lacks in soil, contain Amount ratio with it is almost the same needed for plant, the pH value of soil can be improved, while having restored the metal cation element in soil, it is right The liveness of heavy metal-passivated ion plays the role of long-term, stable;Meanwhile the active SiO in biomass ash2It is absorbed by plants Afterwards, silicified cell is formed with plant cell, improves the intensity of plant cell wall, reduce permeability of cell membrane, inhibit plant counterweight The absorption of metal Cd, Pb, Cr etc., play passivation.
Rice hull carbon is the byproduct that rice production factory generates, it is allowed to be carbonized under anaerobic state, generates rice hull carbon, main Ingredient is activated carbon and SiO2;(1) activated carbon has adsorptivity, hinders the absorption of heavy metal in soil Cd, Pb, promotes in soil The breeding and growth of microorganism;(2) activity SiO2It is absorbed by plants, forms silicified cell with plant cell, improve plant cell The intensity of wall reduces permeability of cell membrane, inhibits absorption of the plant to heavy metal Cd, Pb, plays passivation.
Ammonium lignosulphonate is aromatic series macromolecular compound, has complexing, chelation, is carried out to heavy metal Cd, Pb Complexing, reduces activity, plays passivation;The metal cations such as Ca, Mg, Fe, Cu, Zn, Mn simultaneously and in biomass ash Complexing, reduction outflow with water, micro- utilization rate in raising.
Ferrous sulfate (FeSO4) function:(a)Fe2+It is adsorbed to form iron film by root system of plant in the soil, hinders heavy metal Contact of the ion with root system of plant;(b)Fe2+Make Cr6+It is reduced to Cr3+, reduce the activity and toxicity of heavy metal Cr;(c)SO4 2-With Pb2+Form the PbSO for being slightly soluble in water4, play passivation;(d) it is that soil supplements ferro element, promotes the formation of chlorophyll.
It is acted synergistically, is researched and developed in soil using multicomponents such as biomass ash, rice hull carbon, ammonium lignosulphonate and ferrous sulfate Heavy metal Cd, Pb In-situ reaction passivating agent products are domestic initiations.
Invention content
The technical issues of solution:The present invention is provided to the composition of in-situ passivation acid soil heavy metal and its preparation sides Method and application.The present invention is acted synergistically with multicomponents such as biomass ash, rice hull carbon, ammonium lignosulphonate, ferrous sulfate, research and development weight Metal Cd, Pb in-situ passivation agent promotes soil pH value, while providing abundant middle trace element for soil, promotes crops Yield and quality.Solve the problem of environmental pollutions such as biomass ash stacking, dust and the high ph-values of biomass power plant generation, it is real The comprehensive utilization of the waste resources such as biomass ash, rice husk is showed.
Technical solution:For the composition of in-situ passivation acid soil heavy metal, it is made of by weight following raw material:It is raw 30~80 parts of substance ash, 3~50 parts of rice hull carbon, 3~30 parts of ammonium lignosulphonate, 5~30 parts of ferrous sulfate.
Preferably, it is made of by weight following raw material:50 parts of biomass ash, 25 parts of rice hull carbon, ammonium lignosulphonate 10 Part, 15 parts of ferrous sulfate.
The preparation method of the above-mentioned composition for in-situ passivation acid soil heavy metal, step are:(1) biomass ash, Rice hull carbon, ammonium lignosulphonate, ferrous sulfate are for use after puddling;(2) mixture of step (1) is removed into iron by iron remover, it is defeated It send to comminutor;(3) the semi-finished product drying cooling after being granulated, is made after screening packing.
The above-mentioned composition for in-situ passivation acid soil heavy metal is in preparing corn or wheat planting passivator Application.
Advantageous effect:(1) biomass ash be biomass power plant waste, pH value 10~13, main component k, The metal oxides such as Si, Ca, Mg, Fe, Cu, Zn, Mn and B, this dvielement is that plant growth is required and soil is micro- in being lacked Ratio needed for secondary element, content ratio and plant is almost the same, is the quality raw materials of heavy metal-passivated Cd, Pb.(2) rice husk Activated carbon adsorption function in charcoal hinders Cd, Pb movement, plays passivation, at the same promote the breeding of Soil Microorganism with Growth;Activity SiO in rice hull carbon2It is absorbed by root system of plant, forms silicified cell with plant cell, improve the strong of plant cell wall Degree reduces permeability of cell membrane, inhibits absorption of the plant to heavy metal Cd, Pb, plays passivation.(3) ammonium lignosulphonate It is macromolecular aromatic compound, there is complexing, chelation and heavy metal Cd, Pb complexings, reduce the activity of Cd, Pb;Simultaneously With the cation complex of the elements such as Ca, Mg, Fe, Cu, Zn, Mn in biomass ash, promotes the absorption of plant, reduce and be lost in, carry Senior middle school's trace element utilization rate.(4) ferrous sulfate FeSO4The PbSO for being slightly soluble in water is formed with Pb ions4, passivation is played, is made Cr6+It is reduced to Cr3+, the activity and toxicity of heavy metal Cr are reduced, iron fertilizer is filled to plant, promotes the formation of chlorophyll.
Description of the drawings
Fig. 1:Corn planting heavy metal in soil Cd, Pb concentration trend chart;
Fig. 2:Wheat planting heavy metal in soil Cd, Pb concentration trend chart;
Fig. 3:Crop plants corn, wheat yield trend chart.
Specific implementation mode
Following embodiment only technical concepts and features to illustrate the invention, its object is to allow person skilled in the art It is to can understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent transformation or modification that Spirit Essence is done, should be covered by the protection scope of the present invention.
Embodiment 1
Preparation method:50 parts of biomass ash, 25 parts of rice hull carbon, 10 parts of ammonium lignosulphonate, 15 parts of ferrous sulfate.
(1) biomass ash, rice hull carbon, ammonium lignosulphonate, ferrous sulfate are puddled, for use;
(2) mixture of step (1) is removed into iron by iron remover, is delivered to comminutor;
(3) it is put in storage after the semi-finished product drying, cooling, screening, packing after being granulated.
1 test objective
In order to verify the passivator field using effect of different formulations, applicant the Anhui Province Linquan County cities and towns Ambassadors corn, It is tested on wheat crop, verifies its effect and economic benefit, be that heavy metal Cd, the large area of Pb passivator push away from formula and dosage Wide application provides scientific basis.
2 profile tests
2.1 for examination place and edaphic condition
Test site selects in the Linquan County cities and towns Ambassadors, and soil is clay, and soil status see the table below 1.
Table 1 tests preceding plot Analysis on Soil Nutrients result
2.2 for studying object
Two kinds of crop tests, corn, magnificent Anhui 267;Wheat, Anhui wheat 38.
2.3 for examination fertilizer and passivator
The grand ternary compound fertilizer of 45% Anhui brightness (28:6:6) 40%, (25:12:8) 45%, apply the passivation of different formulations heavy metal Agent.
2.4 test recipes design
Experiment sets 5 kinds of processing, respectively handles 3 repetitions, random district's groups arrangement.Each processing test area 100m2
Experimental field block length is rectangular, and the small ridge of plastic film is done in each minizone of corn, single to fill single, prevents liquid manure between different disposal It exchanges, processing setting is as follows:
2 passivator of table, fertilizer formula and use scale
Experiment is corn, wheat, is come into effect from corn, and two kinds of crop processing are identical.
The experiment dosage managed everywhere in passivator of the present invention is 150kg/ mus, and basic nursery is identical, other agricultures respectively handled Thing measure is consistent, keeps single difference.
2.5 corn trials
Corn applied fertilizer on June 1st, 2015 and passivator, fertilizer and passivator dosage are carried out by upper table;June 6 corn Sowing, September harvest on the 16th
Soil physical and chemical property, production statistics table under table 3, corn different formulations treatment conditions
From table 3 it is observed that there are pole significant differences between control 1 and processing 5 by heavy metal in soil Cd, Pb:
(1) it is passivated Cd:Processing 2 compared with control 1, has passivation to processing 5 to heavy metal Cd, from passivation effect point Analysis, as multicomponent complexing agent acts synergistically, passivation effect rises, and 5 complexing agent passivation effects of processing are best, and available state declines 88.14%;
(2) it is passivated Pb:Processing 2 compared with control 1, has passivation to processing 5 to heavy metal Pb, from passivation effect point Analysis, as multicomponent complexing agent acts synergistically, passivation effect is more and more excellent, and 5 complexing agent passivation effects of processing are best, under available state It drops up to 89.55%;
(3)pH:Processing 2 increases to processing 5 and all to acid soil pH, and effect most preferably handles 3, promotes 0.8, It handles 5pH and improves 0.4.
(4) yield:Processing 2 all increased to processing 5 with comparison, yield is compareed, 4 volume increase 34.95% of processing, processing 5 Volume increase 35.39%, effect is more satisfactory.
Corn trials:Formula is the composite passivant of biomass ash+rice hull carbon+ammonium lignosulphonate+ferrous sulfate to soil Heavy metal Cd, Pb passivation effects are best in earth, while 35.59% or more corn yield increasing.
2.6 wheats test process
Wheat is administered fertilizer and passivator on October 20th, 2015 by table 1;On October 25th, 2015 wheat cultivation, On June 2nd, 2016 harvests.
Soil biology character and production statistics table under table 4, wheat different formulations treatment conditions
As can be seen from Table 4, there are pole significant differences between control 1 and processing 5 by heavy metal in soil Cd, Pb:
(1) it is passivated Cd:Processing 2 is compared to processing 5 with compareing 1, has passivation to heavy metal Cd, from passivation effect point Analysis, as multicomponent complexing agent acts synergistically, passivation effect is more and more obvious, and 5 composite passivant effects of processing are best, available state Fall to 84.52%;
(2) it is passivated Pb:Processing 2 compared with control 1, has passivation to processing 5 to heavy metal Pb, from passivation effect point Analysis, as multicomponent complexing agent acts synergistically, passivation effect is more and more obvious, and 5 complexing agent passivation effects of processing are best, available state Decline up to 89.94%;
(3)pH:Processing 2 all increases to processing 5 with 1 comparison, soil pH is compareed, and effect most preferably handles 3, pH and carries 1.0 are risen, processing 5pH improves 0.3.
(4) yield:Processing 2 has increase, 4 volume increase 20.00% of processing, processing 5 to increase to processing 5 with 1 comparison, yield is compareed Production 19.61%, effect is more satisfactory.
Wheat is tested:Formula is that the multicomponent collaboration of biomass ash+rice hull carbon+ammonium lignosulphonate+ferrous sulfate is compound Passivator is best to heavy metal in soil Cd, Pb passivation effect, while wheat increase yield 19.61%.
3 conclusions
The heavy metal deactivator of a variety of different formulations of this experiment is tested, and is analyzed and is tied from table 3, table 4 and Fig. 1, Fig. 2, Fig. 3 Fruit:Corn is in wheat experiment, and each group of formula has passivation effect, and yield increases, but handles the compound of 5 multicomponents collaboration Best results promote the pH value of soil with the middle trace element in biomass ash, create conditions to be heavy metal-passivated, while again multiple Close the synergistic effects such as rice hull carbon, complexing agent, reducing agent;Heavy metal in soil Cd available states are declined up to 88.14% on corn, Pb available states decline 89.55%, and soil pH promotes 0.4, and yield increases by 35.59%.Have to heavy metal in soil Cd on wheat It imitates state to decline up to 84.52%, Pb available states decline 52.10%, soil pH promotes 0.3, and yield increases by 89.94%.
It is formulated the multicomponents such as biomass ash, rice hull carbon, ammonium lignosulphonate, ferrous sulfate and cooperates with compound acid soil weight Matal deactivator provides middle trace element for soil, improves soil physico-chemical property, promotion soil pH value, heavy metal-passivated Cd, Pb Activity and output increased have obvious effect, have popularizing application prospect.

Claims (4)

1. the composition for in-situ passivation acid soil heavy metal, it is characterised in that be made of by weight following raw material:It is raw 30~80 parts of substance ash, 3~50 parts of rice hull carbon, 3~30 parts of ammonium lignosulphonate, 5~30 parts of ferrous sulfate.
2. being used for the composition of in-situ passivation acid soil heavy metal according to claim 1, it is characterised in that by following original Material forms by weight:50 parts of biomass ash, 25 parts of rice hull carbon, 10 parts of ammonium lignosulphonate, 15 parts of ferrous sulfate.
3. the preparation method described in claims 1 or 2 for the composition of in-situ passivation acid soil heavy metal, it is characterised in that Step is:(1)Biomass ash, rice hull carbon, ammonium lignosulphonate, ferrous sulfate are for use after puddling;(2)By step(1)Mixing Object removes iron by iron remover, is delivered to comminutor;(3)Semi-finished product drying cooling after granulation, is made after screening packing.
4. the composition described in claims 1 or 2 for in-situ passivation acid soil heavy metal is preparing corn or wheat planting With the application in passivator.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113200580A (en) * 2021-03-29 2021-08-03 江苏省中国科学院植物研究所 Water body phosphorus removal material based on biomass power plant ash and preparation method and application thereof

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1107456A (en) * 1994-07-12 1995-08-30 华北电力学院 Multi-effect flyash fertilizer and its producing method
CN102220137A (en) * 2011-04-21 2011-10-19 中国地质大学(北京) Soil modifier, and preparation method and use method thereof
CN102304363A (en) * 2011-05-06 2012-01-04 内蒙古禾创农业科技发展有限公司 Composition employing power plant waste and peat and weathered coal resources to improve saline-alkali soil
CN102807872B (en) * 2012-08-21 2014-04-16 中国科学院沈阳应用生态研究所 Biochar mixing type protected horticultural vegetable field soil heavy metal passivant and preparation method thereof
CN102329620B (en) * 2011-10-13 2014-12-10 武汉凯迪工程技术研究总院有限公司 Heavy-metal-polluted acidic soil repairing material as well as preparation method and application thereof
CN106147770A (en) * 2015-03-11 2016-11-23 周宝龙 One utilizes rice husk to prepare heavy metal deactivator and application process
CN106914214A (en) * 2017-03-15 2017-07-04 中国科学院上海高等研究院 For the gas cleaning adsorbent and reclamation of salinep-alkali soil method of the reclamation of salinep-alkali soil
CN107227155A (en) * 2016-03-24 2017-10-03 中国科学院宁波材料技术与工程研究所 A kind of new soil heavy metal fixative and its preparation method and application
CN107382464A (en) * 2017-07-25 2017-11-24 安徽国祯生态科技股份有限公司 A kind of secondary obstruction recovery agent of acid soil and its preparation method and application
CN107446588A (en) * 2017-08-29 2017-12-08 湖南泰谷生物科技股份有限公司 Humic acid type acidic soil conditioner and preparation method and application
CN107586217A (en) * 2017-07-19 2018-01-16 安徽国祯生态科技股份有限公司 A kind of gramineous crop xanthohumic acid kind biomass fertilizers and its application
CN107663131A (en) * 2017-10-30 2018-02-06 潍坊友容实业有限公司 Alkaline land improving fertilizer prepared using thermal power plant's discarded object and preparation method thereof

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1107456A (en) * 1994-07-12 1995-08-30 华北电力学院 Multi-effect flyash fertilizer and its producing method
CN102220137A (en) * 2011-04-21 2011-10-19 中国地质大学(北京) Soil modifier, and preparation method and use method thereof
CN102304363A (en) * 2011-05-06 2012-01-04 内蒙古禾创农业科技发展有限公司 Composition employing power plant waste and peat and weathered coal resources to improve saline-alkali soil
CN102329620B (en) * 2011-10-13 2014-12-10 武汉凯迪工程技术研究总院有限公司 Heavy-metal-polluted acidic soil repairing material as well as preparation method and application thereof
CN102807872B (en) * 2012-08-21 2014-04-16 中国科学院沈阳应用生态研究所 Biochar mixing type protected horticultural vegetable field soil heavy metal passivant and preparation method thereof
CN106147770A (en) * 2015-03-11 2016-11-23 周宝龙 One utilizes rice husk to prepare heavy metal deactivator and application process
CN107227155A (en) * 2016-03-24 2017-10-03 中国科学院宁波材料技术与工程研究所 A kind of new soil heavy metal fixative and its preparation method and application
CN106914214A (en) * 2017-03-15 2017-07-04 中国科学院上海高等研究院 For the gas cleaning adsorbent and reclamation of salinep-alkali soil method of the reclamation of salinep-alkali soil
CN107586217A (en) * 2017-07-19 2018-01-16 安徽国祯生态科技股份有限公司 A kind of gramineous crop xanthohumic acid kind biomass fertilizers and its application
CN107382464A (en) * 2017-07-25 2017-11-24 安徽国祯生态科技股份有限公司 A kind of secondary obstruction recovery agent of acid soil and its preparation method and application
CN107446588A (en) * 2017-08-29 2017-12-08 湖南泰谷生物科技股份有限公司 Humic acid type acidic soil conditioner and preparation method and application
CN107663131A (en) * 2017-10-30 2018-02-06 潍坊友容实业有限公司 Alkaline land improving fertilizer prepared using thermal power plant's discarded object and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
卢美献: ""不同固定剂及其配比对土壤中镉砷钝化修复效果研究"", 《中国优秀硕士学位论文全文数据库,工程科技Ⅰ辑》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113200580A (en) * 2021-03-29 2021-08-03 江苏省中国科学院植物研究所 Water body phosphorus removal material based on biomass power plant ash and preparation method and application thereof
CN113200580B (en) * 2021-03-29 2023-08-18 江苏省中国科学院植物研究所 Water body phosphorus removal material based on biomass power plant ash and preparation method and application thereof

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