CN102477171A - Modified starch binder for organic fertilizer granulation and preparation method thereof - Google Patents
Modified starch binder for organic fertilizer granulation and preparation method thereof Download PDFInfo
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- CN102477171A CN102477171A CN2010105683209A CN201010568320A CN102477171A CN 102477171 A CN102477171 A CN 102477171A CN 2010105683209 A CN2010105683209 A CN 2010105683209A CN 201010568320 A CN201010568320 A CN 201010568320A CN 102477171 A CN102477171 A CN 102477171A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 238000005469 granulation Methods 0.000 title abstract description 16
- 230000003179 granulation Effects 0.000 title abstract description 16
- 239000003895 organic fertilizer Substances 0.000 title abstract description 14
- 239000011230 binding agent Substances 0.000 title abstract description 5
- 229920000881 Modified starch Polymers 0.000 title abstract 4
- 239000004368 Modified starch Substances 0.000 title abstract 4
- 235000019426 modified starch Nutrition 0.000 title abstract 4
- 229920002472 Starch Polymers 0.000 claims abstract description 54
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 235000019698 starch Nutrition 0.000 claims abstract description 33
- 239000008107 starch Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000004132 cross linking Methods 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- 230000001590 oxidative effect Effects 0.000 claims description 31
- 235000019890 Amylum Nutrition 0.000 claims description 18
- 241000196324 Embryophyta Species 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- 239000012286 potassium permanganate Substances 0.000 claims description 15
- 229910021538 borax Inorganic materials 0.000 claims description 12
- 239000004328 sodium tetraborate Substances 0.000 claims description 12
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 12
- 230000008961 swelling Effects 0.000 claims description 8
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 8
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- PODWXQQNRWNDGD-UHFFFAOYSA-L sodium thiosulfate pentahydrate Chemical compound O.O.O.O.O.[Na+].[Na+].[O-]S([S-])(=O)=O PODWXQQNRWNDGD-UHFFFAOYSA-L 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- 229920001592 potato starch Polymers 0.000 claims description 3
- 229940100445 wheat starch Drugs 0.000 claims description 3
- 240000003183 Manihot esculenta Species 0.000 claims description 2
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims description 2
- 235000013312 flour Nutrition 0.000 claims description 2
- 229920000591 gum Polymers 0.000 claims description 2
- 239000003337 fertilizer Substances 0.000 abstract description 18
- 238000007254 oxidation reaction Methods 0.000 abstract description 11
- 239000008187 granular material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000001254 oxidized starch Substances 0.000 abstract 2
- 235000013808 oxidized starch Nutrition 0.000 abstract 2
- 238000003756 stirring Methods 0.000 description 13
- 230000003647 oxidation Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- -1 urea aldehyde Chemical class 0.000 description 3
- 229920002261 Corn starch Polymers 0.000 description 2
- 235000019759 Maize starch Nutrition 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229920000856 Amylose Polymers 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000000468 ketone group Chemical group 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Abstract
The invention provides a modified starch binder and a preparation method thereof. The method comprises the following steps: 1) carrying out oxidation reaction on plant starch to obtain oxidized starch; 2) adding a pasting agent into the oxidized starch, and then carrying out a crosslinking reaction to obtain the modified starch binder. The modified starch prepared by the method has the advantages of low cost, environmental friendliness and good granulation and bonding effects. The raw materials are all environment-friendly materials and can be degraded quickly. The organic fertilizer granulation agent is applied to organic fertilizer granulation, can granulate organic fertilizers, improves the transportation and use efficiency of the organic fertilizers, and enhances the popularization and application strength of the organic fertilizers.
Description
Technical field
The present invention relates to a kind of treated starch sticker and preparation method thereof, be specifically related to a kind of treated starch sticker that is used for the fertilizer granulation and preparation method thereof.
Background technology
Present organic fertilizer product is main with powdery, and difficulty satisfies the current demand that reaches mechanization of agriculture from now on, high efficiency cropping pattern.The prilling fertilizer can solve the defective of powdery organic fertilizer, but adopts that the granular organic fertilizer of disk comminution granulation preparation exists still that ultimate compression strength is less, is prone to cracked and the technical barrier of difficult quality guarantee in the shipment.Therefore,, solve the technical barrier in granular organic fertilizer production and the application, must matrix material be applied in the granular organic fertilizer production in order under the intensive cropping condition, to promote the usage ratio and the efficient of China's organic fertilizer.But, at present with the matrix material product application in granular organic fertilizer produce less, also have certain problem technically.Because matrix material complex manufacturing technology, cost height and contaminate environment.Therefore, exploitation suitability price ratio, environmentally friendly matrix material and production technique thereof are imperative.The final application of its product also can improve the usage ratio and the efficient of organic fertilizer significantly, improves the agriculture arable land level of the productive forces, strengthens the soil carbonization and reduces discharging function, promotes the sustained, rapid and sound development of China's low-carbon (LC), organic, circular agriculture.
Summary of the invention
The purpose of this invention is to provide a kind of treated starch sticker that is used for the fertilizer granulation and preparation method thereof.
The preparation method who is used for the treated starch sticker of fertilizer granulation provided by the invention comprises the steps:
1) plant amylum is carried out oxidizing reaction and obtain Sumstar 190;
2) in said Sumstar 190, carry out crosslinking reaction behind the adding paste agent and promptly get said treated starch sticker.
Among the above-mentioned preparation method, the said plant amylum of step 1) can be W-Gum, wheat starch, potato starch or tapioca(flour); Said plant amylum water before carrying out said oxidizing reaction carries out swelling; Said swelling time can be 5 minutes-10 minutes, as 5 minutes or 10 minutes.Said swelling is in order to make moisture penetration arrive the granule interior of said plant amylum, and said plant amylum particle volume is expanded, and short texture is beneficial to it and carries out oxidizing reaction.
Among the above-mentioned preparation method, the said oxidizing reaction of step 1) is carried out in water; The ratio of quality and the number of copies of said plant amylum and water can be 1: (2.5-4.0), and as 1: 3.0; Said oxidizing reaction is carried out under acidic conditions; The pH value of said acidic conditions can be 1.0-2.5, as 1.0.
Among the above-mentioned preparation method, the oxygenant of the said oxidizing reaction of step 1) can be potassium permanganate; The catalyzer of said oxidizing reaction can be oxalic acid; The ratio of quality and the number of copies of said plant amylum, oxygenant and catalyzer is 100: (1.5-2.0): (1.0-2.0), and as 100: 1.5: 1.75,100: 1.8: 1.5 or 100: 2.0: 2.0.
Among the above-mentioned preparation method, the temperature of the said oxidizing reaction of step 1) can be 45 ℃-60 ℃, as 50 ℃, 55 ℃ or 60 ℃; The time of said oxidizing reaction can be 10 minutes-45 minutes, as 30 minutes or 45 minutes.
Among the above-mentioned preparation method, the said oxidizing reaction of step 1) stops with Sulfothiorine.
Among the above-mentioned preparation method, step 2) said paste agent can be sodium hydroxide or Pottasium Hydroxide; The ratio of quality and the number of copies of said paste agent and plant amylum can be (8-10): 100, and as 8: 100 or 10: 100.
Among the above-mentioned preparation method, step 2) said linking agent can be borax; The ratio of quality and the number of copies of said linking agent and plant amylum can be (0.5-2.0): 100, and as 1.0: 100,1.5: 100 or 2.0: 100.
Among the above-mentioned preparation method, step 2) time of said crosslinking reaction can be 10 minutes-30 minutes, as 15 minutes or 20 minutes; The temperature of said crosslinking reaction is 40 ℃-45 ℃, as 40 ℃ or 45 ℃; Also comprise the step that adds tributyl phosphate after the said crosslinking reaction; The ratio of quality and the number of copies of said tributyl phosphate and plant amylum is (0.1-0.5): 100, and as 0.1: 100,0.15: 100 or 0.5: 100.Because in whole process of preparation; Thereby various reactions can produce the practical function that a large amount of foams influences sticker; Add tributyl phosphate and can effectively eliminate the foam in the starch adesive, thereby eliminate and reduced the space in the starch adesive, obtain the qualified starch adesive of quality.
With low cost, environmental friendliness, the granulation bond effect of treated starch sticker provided by the invention are better.The raw materials used environmental friendliness type material that is can comparatively fast be degraded.Be applied to make the fertilizer granulating in the fertilizer granulation, improve fertilizer transportation and service efficiency, strengthen it and apply dynamics.
Description of drawings
Fig. 1 is the graph of relation of potassium permanganate consumption and product viscosity.
Fig. 2 is the graph of relation of oxidizing reaction temperature and product viscosity.
Fig. 3 is the graph of relation of sodium hydroxide concentration and product viscosity.
Fig. 4 is the graph of relation of borax consumption and product viscosity.
Embodiment
Employed experimental technique is ordinary method like no specified otherwise among the following embodiment.
Used material, reagent etc. like no specified otherwise, all can obtain from commercial sources among the following embodiment.
The preparation of embodiment 1, treated starch sticker
1) 100g W-Gum water is carried out swelling 5min; Add in the 300g water then and stir; This system placed 50 ℃ water-bath; In this system, adding the 1.0mL vitriol oil (the pH value of system is 1.0) then stirs; Carry out oxidizing reaction 30min after adding 1.8g potassium permanganate, 1.5g oxalic acid then, stop this oxidizing reaction, promptly obtain the 400g Sumstar 190 with 2g Sulfothiorine.
2) in above-mentioned Sumstar 190, add 10g sodium hydroxide and stir 6min; In this system, add the 1.5g borax then and carry out crosslinking reaction; Controlled temperature is 40 ℃, adds the 0.1g tributyl phosphate behind the reaction 15min, stirs and promptly gets 500g treated starch sticker.
The preparation of embodiment 2, treated starch sticker
1) 200g wheat starch water is carried out swelling 5min; Add in the 600g water then and stir; This system placed 55 ℃ water-bath; In this system, adding the 2.0mL vitriol oil (the pH value of system is 1.0) then stirs and carries out oxidizing reaction 30min after adding 3g potassium permanganate, 3.5g oxalic acid successively; Stop this oxidizing reaction with 3.5g Sulfothiorine, promptly obtain the 700g Sumstar 190.
2) in above-mentioned Sumstar 190, add 16g sodium hydroxide and stir 8min, in this system, add the 2g borax then and carry out crosslinking reaction, controlled temperature is 45 ℃, adds the 0.3g tributyl phosphate behind the reaction 20min, stirs and promptly gets 800g treated starch sticker.
The preparation of embodiment 3, treated starch sticker
1) 1kg potato starch water is carried out swelling 10min; Add in the 3kg water then and stir; This system placed 60 ℃ water-bath; In this system, adding the 17mL vitriol oil (the pH value of system is 1.0) then stirs; Carry out oxidizing reaction 45min after adding 20g potassium permanganate, 20g oxalic acid successively, stop this oxidizing reaction, promptly obtain the 4kg Sumstar 190 with 20g Sulfothiorine.
2) in above-mentioned Sumstar 190, add 100g Pottasium Hydroxide and stir 10min, in this system, add the 20g borax then and carry out crosslinking reaction, controlled temperature is 45 ℃, adds the 5g tributyl phosphate behind the reaction 15min, stirs and promptly gets 5kg treated starch sticker.
The technology of embodiment 4, oxidizing reaction of the present invention and crosslinking reaction is groped
1, the selection of oxygenant and consumption
The consumption of oxygenant and concentration can be controlled the quantity of the aldehyde radical, ketone group or the hydroxyl that generate in the product, and it not only can strengthen the bounding force with object, and the retrogradation trend of amylose starch is cut to bone, thereby keep the stability of viscosity.
The present invention has studied oxygenant H commonly used
2O
2, KMnO
4, NaClO is to the performance impact of binder product.
Step according to embodiment 1 prepares the treated starch sticker, with oxygenant KMnO
4Should be NaClO and H
2O
2, other condition is all constant, and the product that makes is carried out performance relatively.Through after the TE, learn the starch adesive accords with production requirement that potassium permanganate is prepared as oxygenant; And NaClO and H
2O
2During as oxygenant, liquid volume is big, corrodibility is strong, be difficult to transportation and available chlorine and H among the NaClO
2O
2All volatile, unstable and be difficult to deposit, during use and irritating smell arranged.
The consumption of potassium permanganate has remarkable influence to the product viscosity.The too big oxidation of potassium permanganate consumption is dark excessively, causes the excessive chain rupture of starch, cracking, and viscosity reduces; Consumption is very few, and then the insufficient viscosity that causes of oxidation is higher, influences the stability of cohesive strength and product.Method according to embodiment 1 prepares starch adesive, and the consumption of potassium permanganate is changed between 1g to 7g, investigates the influence of different amounts to the product viscosity then, and experimental result is as shown in Figure 1.As can be seen from Figure 1, when the potassium permanganate consumption was less than 2g, along with the increase of potassium permanganate amount, viscosity degradation was very fast; When potassium permanganate consumption during greater than 2g, the amylan viscosity degradation is slow, so the essential strict control of oxygenant consumption.The starch oxidation degree is dark more, and glue is rare more, and is water-soluble big more; But hyperoxidation, glue cohesiveness descends.When degree of oxidation is not enough, the glue poor stability, mobile little, poor stability.So the degree of oxidation size is the committed step in the sticker production.Make oxygenant with potassium permanganate, the 1.5%-2.5% that its consumption is generally amount of starch is advisable.
2, the temperature of oxidizing reaction is selected
Temperature has certain influence to the viscosity and the stability thereof of Sumstar 190 sticker.
Method preparing product according to embodiment 1.The temperature of controlled oxidation reaction is respectively 20 ℃, 30 ℃ and 50 ℃, and other reaction conditions is constant.Write down reaction times and the viscosity of prepared product under each experiment condition then.Product under each experiment condition and the relation of oxidizing reaction temperature such as as shown in Figure 2.In temperature is that 20 ℃ of processing and 30 ℃ of processing reaction processes need could accomplish more than 10 hours extremely slowly, and reflection overlong time, temperature are that 50 ℃ of processing are accomplished within an hour.Can know that by Fig. 2 the viscosity of the product that 20 ℃, 30 ℃ and 50 ℃ of these three conditions obtain is respectively 80mPs.s, 130mPs.s and 335mPs.s, degree of oxidation when being illustrated in temperature and being 50 ℃, the cakingagent that makes is stable.
3, the selection of oxidizing reaction acid-base condition
Examine respectively produce potassium permanganate under acid, alkalescence or neutrallty condition to the oxidation of starch effect, pH is respectively 1.0,7.0,10, other experiment condition such as embodiment 1.Experimental result is: in neutral and alkalescence is that pH is under 7.0,10 conditions, reacts extremely slow, still reacts through 24 hours reactions and accomplishes or Vandyke brown.And pH is 1.0 o'clock, can accomplish in reaction within an hour, and product viscosity is 295mPs.s.It is relatively poor to test the adhesive bonds power that is illustrated in oxidation gained under neutral and the alkaline condition; And oxidation effectiveness is better under acidic conditions; Utilize its in acidic medium with the reducing substance effect after bleach this self indicator characteristics; Carry out oxidizing reaction at a certain temperature, obtain the oxidised maize starch sticker fast, effect is best.
4, the paste agent consumption is to the influence of product viscosity
Other condition is constant, and the consumption that changes NaOH is with the influence to product viscosity of the consumption of investigating NaOH.Experimental result shows: along with the increase of NaOH consumption, and the thickness that becomes gradually during the oxidised maize starch gelatinization, when the NaOH consumption was 8 grams, viscosity was maximum, and mobile poor and stirring difficulty continues to add NaOH, then the thinning gradually bleach of the rapid decline of viscosity.Viscosity degradation is slow when the NaOH consumption is 10 grams, along with the increase viscosity variation of NaOH consumption is very little, tends towards stability later on.The NaOH consumption is advisable about restraining with 10.The suitable viscosity of amylan viscosity this moment is good.The NaOH consumption is too much, and glue pH value is higher, and alkalescence, corrodibility strengthen, and cost increases, and in use is prone to produce too much foam, viscosity variation; The NaOH consumption is very few, and starch pasting is incomplete, is prone to layering, and viscosity and stability is variation all.
5, dosage of crosslinking agent is to the influence of product viscosity
Other condition is constant, and the consumption that changes borax is with the influence to product viscosity of the consumption of investigating borax.Experimental result shows: when borax restrained at 0.5-2.0, along with the increase of borax consumption, the viscosity of amylan changed very little, is steady ascendant trend; After the borax consumption surpassed 2.0 grams, viscosity increased rapidly, made the mobile variation of colloid to become gel.Learn that through experiment the optimum amount of borax restrains at 0.5-2.0, its gained colloid modest viscosity, standing storage and unchangeability.
The application of the treated starch sticker of embodiment 5, embodiment 1-3 preparation
Treated starch sticker, commercially available urea aldehyde and the water of embodiment 1-3 preparation are used for granulation of fertilizer, compare the hardness and the slaking of fertilizer then.
In the present embodiment used urea aldehyde with reference to domestic literature develop voluntarily (field is beautiful. the progress of arteries and veins formaldehyde slow-release nitrogen fertilizer. Sichuan College of Education journal, 1995,4,108～111).
Granulation base mateiral used in the present embodiment is a livestock excrement composting, takes from Dingxing, Hebei biological organic fertilizer factory.
Granulating equipment used in the present embodiment is a granulating disc, buys the Seiko machine works in Hebei.
Adopt above-mentioned granulating disc to carry out granulation of fertilizer, high-pressure fog method granulation behind liquid-containing binder employing and the water mixing.Shown in table 1 and table 2, wherein, the treated starch sticker of embodiment 1-3 preparation is labeled as 1#, 2# and 3# sticker respectively respectively for the hardness of the fertiliser granulates of preparation and slaking.
The kind of table 1 sticker and the hardness of fertiliser granulates thereof
The kind of table 2 sticker and the slaking of fertiliser granulates thereof
Disintegration is a loose degree behind the granular organic fertilizer chance water.Can find out by table 1 and table 2, after the granulation of urea aldehyde sticker, meet not disintegration of water; Hardness does not change yet; So on producing, can not bring into play organic fertilizer efficiency, and by the fertiliser granulates of starch adesive preparation provided by the invention certain disintegration degree arranged, chance external force is loose fully; Explanation can be scattered in soil, and nutrient and organic matter are provided.
Claims (10)
1. the preparation method of a treated starch sticker comprises the steps:
1) plant amylum is carried out oxidizing reaction and obtain Sumstar 190;
2) in said Sumstar 190, carry out crosslinking reaction behind the adding paste agent and promptly get said treated starch sticker.
2. method according to claim 1 is characterized in that: the said plant amylum of step 1) is W-Gum, wheat starch, potato starch or tapioca(flour); Said plant amylum water before carrying out said oxidizing reaction carries out swelling; Said swelling time is 5 minutes-10 minutes.
3. method according to claim 1 and 2 is characterized in that: the said oxidizing reaction of step 1) is carried out in water; The ratio of quality and the number of copies of said plant amylum and water is 1: (2.5-4.0); Said oxidizing reaction is carried out under acidic conditions; The pH value of said acidic conditions is 1.0-2.5.
4. according to arbitrary described method among the claim 1-3, it is characterized in that: the oxygenant of the said oxidizing reaction of step 1) is a potassium permanganate; The catalyzer of said oxidizing reaction is an oxalic acid; The ratio of quality and the number of copies of said plant amylum, oxygenant and catalyzer is 100: (1.5-2.0): (1.0-2.0).
5. according to arbitrary described method among the claim 1-4, it is characterized in that: the temperature of the said oxidizing reaction of step 1) is 45 ℃-60 ℃; The time of said oxidizing reaction is 10 minutes-45 minutes.
6. according to arbitrary described method among the claim 1-5, it is characterized in that: the said oxidizing reaction of step 1) is carried out termination reaction with Sulfothiorine.
7. according to arbitrary described method among the claim 1-6, it is characterized in that: step 2) said paste agent is sodium hydroxide or Pottasium Hydroxide; The ratio of quality and the number of copies of said paste agent and plant amylum is (8-10): 100.
8. according to arbitrary described method among the claim 1-7, it is characterized in that: step 2) linking agent in the said crosslinking reaction is borax; The ratio of quality and the number of copies of said linking agent and plant amylum is (0.5-2.0): 100.
9. according to arbitrary described method among the claim 1-8, it is characterized in that: step 2) time of said crosslinking reaction is 10 minutes-30 minutes; The temperature of said crosslinking reaction is 40 ℃-45 ℃; Also comprise the step that adds tributyl phosphate after the said crosslinking reaction; The ratio of quality and the number of copies of said tributyl phosphate and plant amylum is (0.1-0.5): 100.
10. the treated starch sticker for preparing according to arbitrary said method among the claim 1-9.
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| CN106187449A (en) * | 2016-07-05 | 2016-12-07 | 苏州市农业科学院 | A kind of method that feces of livestock and poultry biomass carbon prepares selenium-rich crops cultivation matrix |
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| CN109294666A (en) * | 2018-10-17 | 2019-02-01 | 阜阳师范学院 | It is a kind of using rice husk be raw material charcoal preparation method of granules |
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