CN105837304A - Preparation method of modified sauce residue waste oil fat-based coated fertilizer - Google Patents
Preparation method of modified sauce residue waste oil fat-based coated fertilizer Download PDFInfo
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- CN105837304A CN105837304A CN201510016894.8A CN201510016894A CN105837304A CN 105837304 A CN105837304 A CN 105837304A CN 201510016894 A CN201510016894 A CN 201510016894A CN 105837304 A CN105837304 A CN 105837304A
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- 239000002699 waste material Substances 0.000 title claims abstract description 83
- 239000003337 fertilizer Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims description 12
- 235000015067 sauces Nutrition 0.000 title abstract 4
- 239000003921 oil Substances 0.000 claims abstract description 76
- 235000013555 soy sauce Nutrition 0.000 claims abstract description 63
- 239000002367 phosphate rock Substances 0.000 claims abstract description 24
- 238000006735 epoxidation reaction Methods 0.000 claims abstract description 22
- 238000012986 modification Methods 0.000 claims abstract description 11
- 230000004048 modification Effects 0.000 claims abstract description 11
- 235000019784 crude fat Nutrition 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 28
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 23
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 16
- 239000004202 carbamide Substances 0.000 claims description 14
- 235000013877 carbamide Nutrition 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 238000004821 distillation Methods 0.000 claims description 8
- 238000006116 polymerization reaction Methods 0.000 claims description 8
- 239000001117 sulphuric acid Substances 0.000 claims description 8
- 235000011149 sulphuric acid Nutrition 0.000 claims description 8
- 230000006837 decompression Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- 238000007602 hot air drying Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 229920006395 saturated elastomer Polymers 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 7
- 239000008399 tap water Substances 0.000 claims description 7
- 235000020679 tap water Nutrition 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 235000014593 oils and fats Nutrition 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 239000000618 nitrogen fertilizer Substances 0.000 claims 1
- 239000004519 grease Substances 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 239000006227 byproduct Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 229920001002 functional polymer Polymers 0.000 abstract description 2
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 abstract description 2
- 235000019198 oils Nutrition 0.000 abstract 5
- 235000019483 Peanut oil Nutrition 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 229910010272 inorganic material Inorganic materials 0.000 abstract 1
- 239000000312 peanut oil Substances 0.000 abstract 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 150000002118 epoxides Chemical class 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 239000003225 biodiesel Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000013268 sustained release Methods 0.000 description 2
- 239000012730 sustained-release form Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 235000006694 eating habits Nutrition 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 235000021588 free fatty acids Nutrition 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Fertilizers (AREA)
Abstract
The invention belongs to the technical field of environmental science and the technical field of functional polymers and slow-release fertilizers, and discloses a coated organic-inorganic compound fertilizer with slow-release performance, which is prepared by extracting waste oil from sauce residues to perform epoxidation modification to a certain extent and utilizing the principle of an industrial disc granulator, so that the waste oil is changed into valuable. As is well known, the soy sauce in China has large yield, the soy sauce residue is a main byproduct for producing soy sauce and the oil content of the soy sauce residueRich in crude fat (25-50% (dry basis)) in soy sauce residue, and even containing peanut oil, and the waste oil of soy sauce residue is mainly C16And C18The triglyceride contains more unsaturated double bonds, and the inorganic and organic composite coated fertilizer with slow release performance is prepared by simply treating and epoxidizing the sauce residue waste oil and combining phosphorite powder, so that the waste sauce residue is effectively utilized, and a novel coated fertilizer material is provided, so that theoretical exploration and value reference are provided for the development of waste grease and slow release fertilizer.
Description
Technical field
The invention belongs to technical field of environmental science; and belong to functional polymer and slow release fertilizer technical field; a certain degree of epoxidation modification is carried out by extracting discarded oils and fats from soy sauce residue; and utilizing the principle of industry granulating disc to prepare a kind of organic-inorganic coated compound fertilizer with sustained release performance so that waste grease is turned waste into wealth.
Background technology
China's soy sauce yield is big, and soy sauce residue is the Main By product producing soy sauce, and its oil content is enriched, the most with soybeans as raw materials in soy sauce residue crude fat content up to 25%-50%(butt), some are even close to the oil content of Semen arachidis hypogaeae;Due to history and the difference of dietary habit, producing soy sauce in the world and the country sold is few, the research developing soy sauce residue rarely has report, and for a long time by factors such as technology, market, ideas, the domestic exploitation to soy sauce residue are the rarest.
In China, waste grease is also referred to as " waste oil ", and " hogwash fat " etc., relatively costly due to waste grease recycling, a large amount of waste greases only have small part to be sent to chemical plant to make fatty acid and soap.In recent years, government strengthens and perfects waste in-ore rate management legal system and specification, and the research on utilization utilizing waste in-ore rate to produce the new forms of energy such as biodiesel becomes focus;But owing to waste in-ore rate free fatty acid content is high, and degree difference of becoming sour is very big, is used for producing biodiesel and yet suffers from some technical barriers.Waste oil rarely has report at the applied research of agriculture field, rarely found as coating controlled-release fertilizer film material raw material.
Often will the most not only cause the waste of resource along with rain water runoff or distillation itself, Soil structure also can be caused to destroy before crop not yet utilizes after common incorporation of fertilizerin the soil, the negative consequence such as water source eutrophication.In order to improve utilization rate of fertilizer, preventing the pollution of the environment, promote the sustainable development of agricultural, research and extension has utilization rate slow release fertilizer high, environment amenable, has highly important economic worth and long-range practical guided significance.Although current release-controlled coated fertilizer is worldwide achieved with bigger development, but owing to commercially available price is 3-8 times of common fertilizer, significantly limit its popularization and application, therefore the new and effective cheap release-controlled coated material of developmental research is the key of solution problem.Soy sauce residue waste oil is mainly C16And C18 Triglyceride, and containing more conjugated double bond, be prepared as release-controlled coated material by the epoxidation modification under certain condition, it is not necessary to special solvent and high-temperature high-pressure apparatus can be in fertilizer surface polyreaction film forming.
Summary of the invention
The target of the present invention; by extracting waste oil from discarded soy sauce residue, and carry out waste oil epoxidation modification, utilize the principle of industry granulating disc; prepare the coat fertilizer with certain sustained release performance in conjunction with ground phosphate rock and homemade firming agent, make the production cost of coat fertilizer be greatly lowered.For completing foregoing invention purpose, the present invention includes that following steps is rapid:
1) discarded soy sauce residue is collected from soy sauce factory, first in convection oven 100 DEG C soy sauce residue is dried 1 h, then the squeezing of oils and fats is carried out at small oil press (6YL-30 household type), finally filter off residual foreign material the purest i.e. available soy sauce residue waste oil with sieves, or rectification again after extracting with organic solvent such as acetone etc..
2) weigh and join in the there-necked flask of 100ml from the crude fat 20-30g extracted from soy sauce residue, it is heated to uniform temperature (50-60 DEG C) and is initially added into epoxidizing agent (acetic acid, hydrogen peroxide and concentrated sulphuric acid configure by a certain percentage), mixing speed is generally 20r/s, simultaneously by supersound process, rate of addition is uniform before and after wanting, after reaction 3-5h, static layering, first dividing sub-cloud waste liquid, oil reservoir is first slightly washed till about pH=5.0 with diluted alkaline, then is washed till pH=7.0 with saturated tap water.Then decompression distillation obtains epoxidation waste oil.
3) the epoxidation waste oil produced is poured into sealing in glass flask in air dry oven after high temperature (180-200 DEG C) pre-polymerization 1-2h to save backup.
4) a certain amount of carbamide 10.0-20.0g and ground phosphate rock 5.0-10.0g is weighed; utilize the principle of granulating disc; first by the conical flask pouring rapidly 250ml after carbamide hot air drying 5 min into; then drip homemade modified soy sauce residue waste oil 2-3 to drip; rocking-turn 1-2min in the case of with manual rotation as 3-6r/s; being slowly added into 1-2g ground phosphate rock rocking-turn 5min, rotating speed is 2-5r/s;Add modified soy sauce residue waste oil 2-3 to drip and rocking-turn 2-5min, be slowly added into 1-2g ground phosphate rock rocking-turn 5min, rotating speed 3-5r/s;So repeating 5-8 time, finally add a droplet modification soy sauce residue waste oil and homemade firming agent uniform rocking-turn 5 min, so modified soy sauce residue waste oil aliphatic radical coat fertilizer just prepares.
5) the above-mentioned coat fertilizer prepared is poured into surface plate, 40-50h in the air dry oven of 40-60 DEG C, it is then placed in sealing in bag, and preserves in the environment being relatively dried.
Detailed description of the invention:
Below by concrete example, the present invention is further illustrated.
Embodiment one,
Weigh and join in the there-necked flask of 100ml from the crude fat 30g extracted from soy sauce residue, it is heated to uniform temperature (50-60 DEG C) and is initially added into epoxidizing agent (acetic acid 10.8g, hydrogen peroxide 29.2g and concentrated sulphuric acid 0.02ml), mixing speed is generally 20r/s, supersound process simultaneously, rate of addition is uniform before and after wanting, after reaction 5h, static layering, first dividing sub-cloud waste liquid, oil reservoir is first slightly washed till about pH=5 with diluted alkaline, then is washed till pH=7.0 with saturated tap water;Then decompression distillation obtains epoxidation waste oil;Again the epoxidation waste oil produced is poured into after high temperature (180 DEG C) pre-polymerization 1-2h to seal in glass flask in air dry oven and save backup.Recording epoxide number is 2.56.
Weigh a certain amount of carbamide 10.0g and ground phosphate rock 5.0g, first by the conical flask pouring rapidly 250ml after carbamide hot air drying 5 min into, then drip homemade modified soy sauce residue waste oil 2-5 to drip, rocking-turn 2min in the case of with manual rotation as 3-5r/s, being slowly added into 1g ground phosphate rock rocking-turn 5min, rotating speed is 2-5r/s;Add 2-5 and drip modified soy sauce residue waste oil rocking-turn 2min, be slowly added into 1g ground phosphate rock rocking-turn 5min, rotating speed 3-5r/s;So repeat 3-5 time by above-mentioned steps, finally drip a droplet modification soy sauce residue waste oil and homemade firming agent at the uniform velocity rocking-turn 5 min, the coat fertilizer prepared is poured into surface plate in the air dry oven of 40-60 DEG C, after 40-50h, seals room temperature preservation.
Embodiment two,
Weigh and join in the there-necked flask of 100ml from the crude fat 30g extracted from soy sauce residue, it is heated to uniform temperature (50-60 DEG C) and is initially added into epoxidizing agent (acetic acid 8.5g, hydrogen peroxide 31.5g and concentrated sulphuric acid 0.02ml), mixing speed is generally 20r/s, supersound process simultaneously, rate of addition is uniform before and after wanting, after reaction 5h, static layering, first dividing sub-cloud waste liquid, oil reservoir is first slightly washed till about pH=5 with diluted alkaline, then is washed till pH=7.0 with saturated tap water;Then decompression distillation obtains epoxidation waste oil;Again the epoxidation waste oil produced is poured into after high temperature (180 DEG C) pre-polymerization 1-2h to seal in glass flask in air dry oven and save backup.Recording epoxide number is 3.62.
Weigh a certain amount of carbamide 10.0g and ground phosphate rock 5.0g, first by the conical flask pouring rapidly 250ml after carbamide hot air drying 5 min into, then drip homemade modified soy sauce residue waste oil 2-5 to drip, rocking-turn 2min in the case of with manual rotation as 3-5r/s, being slowly added into 1g ground phosphate rock rocking-turn 5min, rotating speed is 2-5r/s;Add 2-5 and drip modified soy sauce residue waste oil rocking-turn 2min, be slowly added into 1g ground phosphate rock rocking-turn 5min, rotating speed 3-5r/s;So repeat 3-5 time by above-mentioned steps, finally drip a droplet modification soy sauce residue waste oil and homemade firming agent rocking-turn 5 min, the coat fertilizer prepared is poured into surface plate in the air dry oven of 40-60 DEG C, after 40-50 h, seals room temperature preservation.
Embodiment three,
Weigh and join in the there-necked flask of 100ml from the crude fat 30g extracted from soy sauce residue, it is heated to uniform temperature (50-60 DEG C) and is initially added into epoxidizing agent (acetic acid 6.0g, hydrogen peroxide 34g and concentrated sulphuric acid 0.04ml), mixing speed is generally 20r/s, supersound process simultaneously, rate of addition is uniform before and after wanting, after reaction 5h, static layering, first dividing sub-cloud waste liquid, oil reservoir is first slightly washed till about pH=5 with diluted alkaline, then is washed till pH=7.0 with saturated tap water;Then decompression distillation obtains epoxidation waste oil;Again the epoxidation waste oil produced is poured into after high temperature (190 DEG C) pre-polymerization 1-2h to seal in glass flask in air dry oven and save backup.Recording epoxide number is 4.57.
Weigh a certain amount of carbamide 10.0g and ground phosphate rock 5.0g, first by the conical flask pouring rapidly 250ml after carbamide hot air drying 5 min into, then drip homemade modified soy sauce residue waste oil 2-5 to drip, rocking-turn 2min in the case of with manual rotation as 3-5r/s, being slowly added into 1g ground phosphate rock rocking-turn 5min, rotating speed is 2-5r/s;Add 2-5 and drip modified soy sauce residue waste oil rocking-turn 5min, be slowly added into 1g ground phosphate rock rocking-turn 5min, rotating speed 3-5r/s;So repeat 3-5 time by above-mentioned steps, finally drip a droplet modification soy sauce residue waste oil and homemade firming agent rocking-turn 5 min, the coat fertilizer prepared is poured into surface plate in the air dry oven of 40-60 DEG C, after 40-50 h, seals room temperature preservation.
Embodiment four,
Weigh and join in the there-necked flask of 100ml from the crude fat 30g extracted from soy sauce residue, it is heated to uniform temperature (50-60 DEG C) and is initially added into epoxidizing agent (acetic acid 6.0g, hydrogen peroxide 34g and concentrated sulphuric acid 0.06ml), mixing speed is generally 20r/s, supersound process simultaneously, rate of addition is uniform before and after wanting, after reaction 5h, static layering, first dividing sub-cloud waste liquid, oil reservoir is first slightly washed till about pH=5 with diluted alkaline, then is washed till pH=7.0 with saturated tap water;Then decompression distillation obtains epoxidation waste oil;Again the epoxidation waste oil produced is poured into after high temperature (180 DEG C) pre-polymerization 1-2h to seal in glass flask in air dry oven and save backup.Recording epoxide number is 4.99.
Weigh a certain amount of carbamide 10.0g and ground phosphate rock 5.0g, first by the conical flask pouring rapidly 250ml after carbamide hot air drying 5 min into, then drip homemade modified soy sauce residue waste oil 2-5 to drip, rocking-turn 2min in the case of with manual rotation as 3-5r/s, being slowly added into 1g ground phosphate rock rocking-turn 5min, rotating speed is 2-5r/s;Add 2-5 and drip modified soy sauce residue waste oil rocking-turn 2min, be slowly added into 1g ground phosphate rock rocking-turn 5min, rotating speed 3-5r/s;So repeat 3-5 time by above-mentioned steps, finally drip a droplet modification soy sauce residue waste oil and homemade firming agent rocking-turn 5 min, the coat fertilizer prepared is poured into surface plate in the air dry oven of 40-60 DEG C, after 30-50 h, seals room temperature preservation.Recording initial stage nutrient release rate by hydrostatic method is 13.9%, and it is 75.6% that 28d adds up release rate, basically reaches the standard of slow-release fertilizer.
Embodiment five,
Weigh and join in the there-necked flask of 100ml from the crude fat 30g extracted from soy sauce residue, it is heated to uniform temperature (50-60 DEG C) and is initially added into epoxidizing agent (acetic acid 6.0g, hydrogen peroxide 34g and concentrated sulphuric acid 0.08ml), mixing speed is generally 20r/s, supersound process simultaneously, rate of addition is uniform before and after wanting, after reaction 5h, static layering, first dividing sub-cloud waste liquid, oil reservoir is first slightly washed till about pH=5 with diluted alkaline, then is washed till pH=7.0 with saturated tap water;Then decompression distillation obtains epoxidation waste oil;Again the epoxidation waste oil produced is poured into after high temperature (180 DEG C) pre-polymerization 1-2h to seal in glass flask in air dry oven and save backup.Recording epoxide number is 5.22.
Weigh a certain amount of carbamide 10.0g and ground phosphate rock 5.0g, first by the conical flask pouring rapidly 250ml after carbamide hot air drying 5 min into, then drip homemade modified soy sauce residue waste oil 2-5 to drip, rocking-turn 2min in the case of with manual rotation as 3-5r/s, being slowly added into 1g ground phosphate rock rocking-turn 5min, rotating speed is 2-5r/s;Add 2-5 and drip modified soy sauce residue waste oil rocking-turn 2min, be slowly added into 1g ground phosphate rock rocking-turn 5min, rotating speed 3-5r/s;So repeat 3-5 time by above-mentioned steps, finally drip a droplet modification soy sauce residue waste oil and homemade firming agent rocking-turn 5 min, the coat fertilizer prepared is poured into surface plate in the air dry oven of 40-60 DEG C, after 30-40 h, seals room temperature preservation.Recording initial stage nutrient release rate by hydrostatic method is 11.6%, and it is 74.8% that 28d adds up release rate, basically reaches the standard of release-controlled coated fertilizer.
Claims (9)
1. the preparation method of a modified soy sauce residue waste oil aliphatic radical coat fertilizer, it is characterised in that.
2. the method includes that following steps is rapid:
The preparation of epoxidation waste oil: collect discarded soy sauce residue from soy sauce factory, first in convection oven 100 DEG C soy sauce residue is dried 1 h, the squeezing of oils and fats is carried out at small oil press (6YL-30 household type), typically can squeeze 2-3 time continuously, filter off residual foreign material the purest i.e. available soy sauce residue waste oil with sieves, or with after organic solvent such as acetone extract again rectification extract and also can get purer waste oil;Then weigh and join in the there-necked flask of 100ml from the crude fat 20-30g extracted from soy sauce residue, it is heated to uniform temperature (50-60 DEG C) and is initially added into epoxidizing agent (acetic acid, hydrogen peroxide and concentrated sulphuric acid configure by a certain percentage), mixing speed is generally 20r/s, supersound process simultaneously, rate of addition is uniform before and after wanting, after reaction 3-5h, static layering, first dividing sub-cloud waste liquid, oil reservoir is first slightly washed till about pH=5 with diluted alkaline, then is washed till pH=7.0 with saturated tap water;Decompression distillation i.e. obtains epoxidation waste oil, the epoxidation waste oil produced is poured into sealing in glass flask in air dry oven save backup after high temperature pre-polymerization 1-2h.
3. the preparation of coat fertilizer: weigh a certain amount of carbamide 10.0-20.0g and ground phosphate rock 5.0-10.0g; utilize the principle of granulating disc; first by the conical flask pouring rapidly 250ml after carbamide hot air drying 5-10min into; then drip homemade modified soy sauce residue waste oil 2-3 to drip; rocking-turn 1-2min in the case of with manual rotation as 3-6r/s; being slowly added into 1-2g ground phosphate rock rocking-turn 5min, rotating speed is 2-5r/s;Add modified soy sauce residue waste oil 2-3 and drip modified soy sauce residue waste oil rocking-turn 2-5min, be slowly added into 1-2g ground phosphate rock rocking-turn 5min, rotating speed 3-5r/s;So repeating 5-8 time, finally add a droplet modification soy sauce residue waste oil and homemade firming agent rocking-turn 5 min, so modified soy sauce residue waste oil aliphatic radical coat fertilizer just prepares;The above-mentioned coat fertilizer prepared is poured into surface plate, 30-50 h in the air dry oven of 40-60 DEG C, it is then placed in sealing in bag, and preserves in the environment being relatively dried.
The preparation method of a kind of modified soy sauce residue waste oil aliphatic radical coat fertilizer the most as claimed in claim 2, it is characterised in that waste oil can first be conjugated modified epoxidation again, and in waste oil epoxidation preparation process, supersound process effect is preferable, model of action 5s/7s.
The preparation method of a kind of modified soy sauce residue waste oil aliphatic radical coat fertilizer the most as claimed in claim 2, it is characterised in that after waste oil epoxidation can high temperature pre-polymerization 1-2h, optimum temperature 180-220 DEG C, or compound with homemade adhesion agent.
The preparation method of a kind of modified soy sauce residue waste oil aliphatic radical coat fertilizer the most as claimed in claim 2, it is characterised in that in the case of reaction waste oil takes 30g, the optimum proportioning of epoxidizing agent is acetic acid: hydrogen peroxide=7.0:33.0, concentrated sulphuric acid 0.08ml.
The preparation method of a kind of modified soy sauce residue waste oil aliphatic radical coat fertilizer the most as claimed in claim 2, it is characterised in that the optimal reaction temperature of modified epoxy waste oil is 80 DEG C, and optimum reacting time is 4-5 h.
The preparation method of a kind of modified soy sauce residue waste oil aliphatic radical coat fertilizer the most as claimed in claim 3, it is characterised in that the optimised process of peplos be nitrogenous fertilizer, ground phosphate rock ratio be 1:0.5, the Best Times of peplos is 30-40min, optimal number of times 5-8 time.
The preparation method of a kind of modified soy sauce residue waste oil aliphatic radical coat fertilizer the most as claimed in claim 3, it is characterised in that the optimum temperature solidifying preservation after peplos is 40-60 DEG C, and the time is 30-50h.
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CN107459436A (en) * | 2017-09-22 | 2017-12-12 | 芜湖晋诚农业科技有限公司 | A kind of fertilizer of anti-tomato continuous cropping disease |
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CN107459435A (en) * | 2017-09-22 | 2017-12-12 | 芜湖晋诚农业科技有限公司 | A kind of fertilizer for improving tomato quality |
CN107459436A (en) * | 2017-09-22 | 2017-12-12 | 芜湖晋诚农业科技有限公司 | A kind of fertilizer of anti-tomato continuous cropping disease |
CN108821846A (en) * | 2018-06-01 | 2018-11-16 | 山东农业大学 | A kind of high molecular slow-release fertilizer using gutter oil synthesis |
CN109336670A (en) * | 2018-10-08 | 2019-02-15 | 仲恺农业工程学院 | Method for modifying grease and application thereof |
CN109336670B (en) * | 2018-10-08 | 2021-07-27 | 仲恺农业工程学院 | Method for modifying grease and application thereof |
CN109699440A (en) * | 2019-03-06 | 2019-05-03 | 陈硕 | A kind of multifunctional ecological seedling culturing substrate block |
CN109699440B (en) * | 2019-03-06 | 2021-12-28 | 陈硕 | Multifunctional ecological seedling raising substrate block |
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