CN106905978A - It is a kind of to add modified soil conditioner straw biomass charcoal of ascorbic acid and preparation method thereof - Google Patents

It is a kind of to add modified soil conditioner straw biomass charcoal of ascorbic acid and preparation method thereof Download PDF

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Publication number
CN106905978A
CN106905978A CN201710094659.1A CN201710094659A CN106905978A CN 106905978 A CN106905978 A CN 106905978A CN 201710094659 A CN201710094659 A CN 201710094659A CN 106905978 A CN106905978 A CN 106905978A
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China
Prior art keywords
ascorbic acid
acid
biomass charcoal
soil conditioner
appropriate
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Pending
Application number
CN201710094659.1A
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Chinese (zh)
Inventor
商文芳
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ANHUI KINGORIGIN MODERN AGRICULTURE INVESTEMENT DEVELOPMENT Co Ltd
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ANHUI KINGORIGIN MODERN AGRICULTURE INVESTEMENT DEVELOPMENT Co Ltd
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Priority to CN201710094659.1A priority Critical patent/CN106905978A/en
Publication of CN106905978A publication Critical patent/CN106905978A/en
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/305—Addition of material, later completely removed, e.g. as result of heat treatment, leaching or washing, e.g. for forming pores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2101/00—Agricultural use

Abstract

The modified soil conditioner straw biomass charcoal of ascorbic acid is added the invention discloses a kind of, is made from the following raw materials in parts by weight：Wheat stalk 87 89, bagasse 11 13, aloe powder 8 10, calcium chloride 2.7 3.3, sodium carbonate 1.5 1.9, burdock oligomeric polysaccharide 2.6 2.9, aconitine 0.04 0.07, ascorbic acid 1.5 1.9, tannic acid 0.9 1.2, tourmaline miberal powder 79, the sodium hydroxide solution of 10wt.% is appropriate, appropriate mix acid liquor, appropriate deionized water, straw biomass charcoal of the invention obtained is used to can not only being improved during soil conditioner crops autoimmunity can also anionic sterilization, and COBALT IN SOIL BY can be suppressed, iron, the biological effectiveness of the heavy metals such as manganese, reduce uptake of the crop to heavy metal-polluted soil, improve soil water-reataining fertilizer-keeping ability.

Description

It is a kind of to add the modified soil conditioner straw biomass charcoal of ascorbic acid and its system Make method
Technical field
Change the present invention relates to the preparing technical field of biomass carbon, more particularly to a kind of modified soil of ascorbic acid that adds Good dose with straw biomass charcoal and preparation method thereof.
Background technology
Agricultural crop straw is a kind of valuable renewable resource, but for a long time due to by consumption idea, life style and The influence of the factors such as agricultural production time, agricultural straw resource is completely in consumption high, high pollution, the situation of low output, phase When many a part of agricultural crop straws go out of use or burn, rational exploitation and utilization is not obtained, both caused the serious wave of resource Take, serious environmental pollution is caused again, serious harm is caused to human health and safety, it has also become a great society problem.For This, national departments concerned has done substantial amounts of work, and takes taboo to burn stalk control measures, but cures the symptoms, not the disease, thus to existing Agricultural crop straw comprehensive utilization treatment enjoys the concern of domestic and international expert.The such as straw power generation, natural pond taken both at home and abroad at present There is application limitation and be difficult to promote on a large scale in various processing methods such as gas fermentation, compost and measure.Biomass carbon is that have A kind of rich carbon slightly solubility solid matter that machine material is produced in anoxic or anaerobic environment through high temperature pyrolysis.Its quite stable, it is difficult With degraded and compared with other any type of organic matters, biomass carbon has the function of superpower withholding nutrient.Therefore make it A kind of utilization for soil conditioner and carbon sequestration material in farmland soil is possibly realized.
Data has shown that since the 50's of 20th century, China's applying quantity of chemical fertilizer occupies the 1st, the world according to statistics.Chemical fertilizer Grain yield largely is significantly increased, on the other hand also results in a large amount of P, N, K elements not utilized and is enriched with soil. However, because the global cycle period of P element is more much longer than other elements (N, K), thus in most of ecosystems, P element becomes the restricted element of growth of microorganism, is also the main cause for causing body eutrophication and soil depletion. And have that specific surface area is generally less than normal as soil conditioner by the use of biomass carbon, the relatively weak deficiency of adsorption capacity, therefore inhale Phosphorus efficiency is low to be unfavorable for agricultural production, therefore, document《The preparation technology and its suction phosphorus of calcium chloride activation rice straw biomass carbon Performance study》With rice straw as raw material, the calcium chloride of mass fraction 10% prepares active bio matter charcoal for activator, used as control The suction P materials of widespread pollution from the overuse of fertilizers and pesticides in rural area processed.Result of the test shows：P clearances can reach 97%, and pH value of solution rises to 9.52 from 6.87.
But the method for modifying in document is more single, function is also single, obtained biomass carbon only in soil not The phosphorus for utilizing has preferable adsorption effect, but, with the fast development of modern industrialization, a large amount of industrial wastewaters blindly enter agriculture Field, and the chemical fertilizer of heavy dose is excessively used, and excessive heavy metal ion influence plant growth is largely enriched with soil, and also indirect Influence human health, simultaneously because biomass carbon surface carries negative electrical charge, for the heavy metal adsorption existed with anionic form Effect is poor, uses retain water and nutrients and other effects of taking root also poor as soil conditioner, so that being improved existing process.
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of modified soil of addition ascorbic acid changes Good dose with straw biomass charcoal and preparation method thereof.
The present invention is achieved by the following technical solutions：
It is a kind of to add the modified soil conditioner straw biomass charcoal of ascorbic acid, it is made from the following raw materials in parts by weight：It is small Wheat Straw 87-89, bagasse 11-13, aloe powder 8-10, calcium chloride 2.7-3.3, sodium carbonate 1.5-1.9, burdock oligomeric polysaccharide 2.6-2.9, aconitine 0.04-0.07, ascorbic acid 1.5-1.9, tannic acid 0.9-1.2, tourmaline miberal powder 7-9,10wt.% Appropriate sodium hydroxide solution, appropriate mix acid liquor, appropriate deionized water.
A kind of preparation method of the modified soil conditioner straw biomass charcoal of described addition ascorbic acid, including with Lower step：
（1）Calcium chloride, sodium carbonate are stirred and evenly mixed, is ground 20-30 minutes, it is 10% to add deionized water to be configured to mass fraction Hybrid activator it is standby；
（2）Wheat stalk drying is cut into 2 cms adds bagasse, aloe powder to be well mixed, and is placed in the hydrogen of 10wt.% Sodium hydroxide solution is soaked 48 hours, and taking-up is washed with deionized to neutrality, with step（1）Hybrid activator according to impregnating ratio 1: 0.5 immersion 24 hours, filtering, the 105-110 DEG C of drying in baking oven；
（3）By step（2）Material is put into tube furnace, under nitrogen protection with 20 DEG C of min- 1The rate of heat addition be warming up to 700- 720 DEG C, keeping temperature charing process 60 minutes is cooled to room temperature under nitrogen protection, adds mix acid liquor ultrasonic oscillation 8- Supernatant is outwelled in centrifugation after 10 hours, is washed with deionized to neutrality, adds aconitine to pulverize；
（4）Ascorbic acid, tannic acid are mixed and adds appropriate amount of deionized water to stir to dissolving, add tourmaline miberal powder, step（3） Material and other residual components are ground, granulation, cross 2-4mm and sift out material.
Described mix acid liquor is 1mol L- 1Volume ratio for 1: 1 hydrochloric acid-hydrofluoric acid solution.
It is an advantage of the invention that：The present invention is first by wheat stalk, bagasse, aloe powder sodium hydroxide solution immersion treatment With remove the wax of material surface, ash content and other be dissolved in the impurity of water, then with the compound hybrid activator of calcium chloride, sodium carbonate The means such as high temperature carbonization, pickling treatment after immersion, pickling dramatically increases specific surface area, pore volume and the pore-size distribution of biomass carbon, Greatly improve the adsorption capacity of biomass carbon so that in the Ca of straw charcoal inner surface2+With reference to hydroxyl can quickly by soil Unnecessary phosphate anion substitution, inhales phosphorus efficiency high, and be combined the straw biologicals obtained in composition such as electric stone ore powder, ascorbic acid Matter charcoal be used to can not only being improved during soil conditioner crops autoimmunity can also anionic sterilization, and can suppress soil The biological effectiveness of the heavy metals such as cobalt, iron, manganese, reduces uptake of the crop to heavy metal-polluted soil, improves soil water-reataining fertilizer-keeping energy Power.
Specific embodiment
It is a kind of to add the modified soil conditioner straw biomass charcoal of ascorbic acid, by the raw material system of following weight portion Into：Wheat stalk 87, bagasse 11, aloe powder 8, calcium chloride 2.7, sodium carbonate 1.5, burdock oligomeric polysaccharide 2.6, aconitine 0.04th, ascorbic acid 1.5, tannic acid 0.9, tourmaline miberal powder 7,10wt.% sodium hydroxide solution is appropriate, appropriate mix acid liquor, Appropriate deionized water.
A kind of preparation method of the modified soil conditioner straw biomass charcoal of described addition ascorbic acid, including with Lower step：
（1）Calcium chloride, sodium carbonate are stirred and evenly mixed, is ground 20-30 minutes, it is 10% to add deionized water to be configured to mass fraction Hybrid activator it is standby；
（2）Wheat stalk drying is cut into 2 cms adds bagasse, aloe powder to be well mixed, and is placed in the hydrogen of 10wt.% Sodium hydroxide solution is soaked 48 hours, and taking-up is washed with deionized to neutrality, with step（1）Hybrid activator according to impregnating ratio 1: 0.5 immersion 24 hours, filtering, the 105-110 DEG C of drying in baking oven；
（3）By step（2）Material is put into tube furnace, under nitrogen protection with 20 DEG C of min- 1The rate of heat addition be warming up to 700- 720 DEG C, keeping temperature charing process 60 minutes is cooled to room temperature under nitrogen protection, adds mix acid liquor ultrasonic oscillation 8- Supernatant is outwelled in centrifugation after 10 hours, is washed with deionized to neutrality, adds aconitine to pulverize；
（4）Ascorbic acid, tannic acid are mixed and adds appropriate amount of deionized water to stir to dissolving, add tourmaline miberal powder, step（3） Material and other residual components are ground, granulation, cross 2-4mm and sift out material.
Described mix acid liquor is 1mol L- 1Volume ratio for 1: 1 hydrochloric acid-hydrofluoric acid solution.
Compared to the prior art, 7.15 times are increased using straw biomass charcoal specific surface area obtained in the present invention, C contains Amount increased 35.11%, and porosity increase adsorption effect is good, and P clearances can reach 98%.

Claims (3)

1. it is a kind of to add the modified soil conditioner straw biomass charcoal of ascorbic acid, it is characterised in that by following weight portion Raw material be made：Wheat stalk 87-89, bagasse 11-13, aloe powder 8-10, calcium chloride 2.7-3.3, sodium carbonate 1.5-1.9, Burdock oligomeric polysaccharide 2.6-2.9, aconitine 0.04-0.07, ascorbic acid 1.5-1.9, tannic acid 0.9-1.2, tourmaline miberal powder The sodium hydroxide solution of 7-9,10wt.% is appropriate, appropriate mix acid liquor, appropriate deionized water.
2. a kind of making for adding the modified soil conditioner straw biomass charcoal of ascorbic acid according to claim 1 Method, it is characterised in that comprise the following steps：
（1）Calcium chloride, sodium carbonate are stirred and evenly mixed, is ground 20-30 minutes, it is 10% to add deionized water to be configured to mass fraction Hybrid activator it is standby；
（2）Wheat stalk drying is cut into 2 cms adds bagasse, aloe powder to be well mixed, and is placed in the hydrogen of 10wt.% Sodium hydroxide solution is soaked 48 hours, and taking-up is washed with deionized to neutrality, with step（1）Hybrid activator according to impregnating ratio 1: 0.5 immersion 24 hours, filtering, the 105-110 DEG C of drying in baking oven；
（3）By step（2）Material is put into tube furnace, under nitrogen protection with 20 DEG C of min- 1The rate of heat addition be warming up to 700- 720 DEG C, keeping temperature charing process 60 minutes is cooled to room temperature under nitrogen protection, adds mix acid liquor ultrasonic oscillation 8- Supernatant is outwelled in centrifugation after 10 hours, is washed with deionized to neutrality, adds aconitine to pulverize；
（4）Ascorbic acid, tannic acid are mixed and adds appropriate amount of deionized water to stir to dissolving, add tourmaline miberal powder, step（3） Material and other residual components are ground, granulation, cross 2-4mm and sift out material.
3. the soil conditioner straw biomass charcoal that a kind of addition ascorbic acid according to claim 1 is modified, it is special Levy and be, described mix acid liquor is 1mol L- 1Volume ratio for 1: 1 hydrochloric acid-hydrofluoric acid solution.
CN201710094659.1A 2017-02-22 2017-02-22 It is a kind of to add modified soil conditioner straw biomass charcoal of ascorbic acid and preparation method thereof Pending CN106905978A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109553171A (en) * 2019-01-04 2019-04-02 湖南科技大学 Charcoal flocculant and its preparation method and application
CN109575929A (en) * 2018-11-28 2019-04-05 攀钢集团攀枝花钢铁研究院有限公司 The method of the agent of heavy-metal contaminated soil complex repairation and its rehabilitating soil

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109575929A (en) * 2018-11-28 2019-04-05 攀钢集团攀枝花钢铁研究院有限公司 The method of the agent of heavy-metal contaminated soil complex repairation and its rehabilitating soil
CN109553171A (en) * 2019-01-04 2019-04-02 湖南科技大学 Charcoal flocculant and its preparation method and application
CN109553171B (en) * 2019-01-04 2021-08-24 湖南科技大学 Biochar flocculant and preparation method and application thereof

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Application publication date: 20170630