CN107445668A - Arsenic content and the method that Swine manure is prepared using the pig manure in a kind of reduction pig manure - Google Patents
Arsenic content and the method that Swine manure is prepared using the pig manure in a kind of reduction pig manure Download PDFInfo
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- CN107445668A CN107445668A CN201710802488.3A CN201710802488A CN107445668A CN 107445668 A CN107445668 A CN 107445668A CN 201710802488 A CN201710802488 A CN 201710802488A CN 107445668 A CN107445668 A CN 107445668A
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- 241000282898 Sus scrofa Species 0.000 title claims abstract description 145
- 210000003608 Feces Anatomy 0.000 title claims abstract description 134
- 239000010871 livestock manure Substances 0.000 title claims abstract description 133
- 229910052785 arsenic Inorganic materials 0.000 title claims abstract description 39
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000003756 stirring Methods 0.000 claims abstract description 49
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 35
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical class [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 28
- 235000019738 Limestone Nutrition 0.000 claims abstract description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 230000003068 static Effects 0.000 claims abstract description 9
- 238000007792 addition Methods 0.000 claims abstract description 7
- 244000052616 bacterial pathogens Species 0.000 claims abstract description 6
- 239000002985 plastic film Substances 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 18
- 239000006028 limestone Substances 0.000 claims description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000001131 transforming Effects 0.000 claims description 6
- 240000000218 Cannabis sativa Species 0.000 claims description 4
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 4
- 240000005158 Phaseolus vulgaris Species 0.000 claims description 4
- 239000003337 fertilizer Substances 0.000 claims description 4
- 239000002657 fibrous material Substances 0.000 claims description 4
- 235000012054 meals Nutrition 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 230000035943 smell Effects 0.000 claims description 4
- 241000196324 Embryophyta Species 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 230000005591 charge neutralization Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims description 3
- 238000005065 mining Methods 0.000 claims description 3
- 230000001264 neutralization Effects 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 239000002516 radical scavenger Substances 0.000 claims description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 2
- 239000002956 ash Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 239000003895 organic fertilizer Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000002585 base Substances 0.000 description 6
- 241000723377 Coffea Species 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 235000015277 pork Nutrition 0.000 description 3
- 235000020995 raw meat Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 206010034018 Parosmia Diseases 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000002075 main ingredient Substances 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000001954 sterilising Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 229960003563 Calcium Carbonate Drugs 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 235000015450 Tilia cordata Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000000295 complement Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000116 mitigating Effects 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 235000021251 pulses Nutrition 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
Abstract
The method that Swine manure is prepared the invention discloses arsenic content in a kind of reduction pig manure and using the pig manure, belongs to organic fertilizer technical field, technical points comprise the steps：(1) 30 80 kilograms of ethanol is added by pig manure per ton, carries out first time stirring, 12 48 hours are stood after stirring；(2) 30 80 kilograms of sodium hydroxides are added by pig manure per ton to enter in processing pond, is stood after stirring；(3) add 20 70 kilograms of pulverized limestones by pig manure per ton to enter in processing pond, the lower microbe conversion of static state；(4) 10 40 kilograms of sulfuric acid are added by pig manure per ton to be stirred into processing pond, obtains the pig manure that arsenic content meets national standard；(5) auxiliary material of material gross weight 35 40% is accounted for toward addition in processing pond, is transferred to stack retting area, covered plastic film is converted, and obtains Swine manure；The present invention is intended to provide arsenic content and the method that Swine manure is prepared using the pig manure in a kind of reduction pig manure easy to operate, processing cost is low and using effect is good；Prepared for organic fertilizer.
Description
Technical field
The present invention relates to a kind of swine manure treatment technique, more specifically, more particularly to it is a kind of reduce in pig manure arsenic content and
The method that Swine manure is prepared using the pig manure.
Background technology
Swine excrement recycling is the developing goal that country advocates, but due to containing heavy metal in swine excrement --- arsenic, to pig
Dung recovery and the surface layer pollution problem for solving the problems, such as to bring rural culture are difficult with realizing.
How to dissolve the contradiction between development scale cultivation and protecting ecology, be the important step for realizing poultry healthy aquaculture
One of.Contaminant transportation process and pollution result and how to handle be research new problem.
The content of the invention
It is an object of the invention to for above-mentioned the deficiencies in the prior art, there is provided a kind of easy to operate, processing cost it is low and
Arsenic content and the method that Swine manure is prepared using the pig manure in the good reduction pig manure of using effect.
The technical proposal of the invention is realized in this way：One kind reduces arsenic content in pig manure and prepares pig manure using the pig manure
The method of organic fertilizer, this method comprise the steps：
(1) pig manure in plant is collected using suction-type sewer scavenger and is transported to factory and pours into processing pond, by pig manure per ton
Add 30-80 kilograms of ethanol, carry out first time stirring, after stirring stand 12-48 hours, pig manure by original lumps it is sour, it is smelly,
Fishy smell changes into dispersed by ethanol and produces stronger ammonia taste, and pig manure Ph values are 1-5 after standing；
(2) add after the completion of ethanol stirring standing, adding 30-80 kilograms of sodium hydroxide by pig manure per ton enters processing pond
In, 12-48 hours are stood after stirring, pig manure is yellowish by blacking；
(3) add after the completion of sodium hydroxide standing, adding 20-70 kilograms of pulverized limestone by pig manure per ton enters in processing pond,
After stirring, static lower microbe conversion 12-36 hours；
(4) add after the completion of pulverized limestone standing, add 10-40 kilograms of sulfuric acid by pig manure per ton is stirred into processing pond
Mix, using the Ph values in acid-base neutralization regulation pig manure to 6.5-8, obtain the pig manure that arsenic content meets national standard；
(5) material gross weight 35-40% auxiliary material is accounted for toward addition in processing pond, stack retting area is transferred to after being again stirring for uniformly,
Covered plastic film is converted, and obtains Swine manure.
Arsenic content and prepared in a kind of above-mentioned reduction pig manure using the pig manure in the method for Swine manure, step (3)
Specially：Adding after the completion of sodium hydroxide standing, the standard that 20-70 kilograms of pulverized limestone is added by pig manure per ton weighs pulverized limestone,
Uniformly be divided into trisection, often plus a pulverized limestone, added again after stirring, so repeatedly uniform stirring three times after, pig manure Ph
Value brings up to 7-13 by original 1-5, and pig manure temperature is lifted to 40 ° -43 ° by original normal temperature, the lower microbe conversion 12-36 of static state
Hour.
Arsenic content and prepared in a kind of above-mentioned reduction pig manure using the pig manure in the method for Swine manure, step (5)
Specially：Addition accounts for material gross weight 35-40% auxiliary material in toward processing pond, and stack retting area is transferred to after being again stirring for uniformly, is capped
Plastic sheeting is converted, and conversion temperature is controlled at 50 ° -80 °, and interval is turned over once for 2-3 days；Transformation time is 20-60 days, obtains pig
Excrement organic fertilizer.
Arsenic content and prepared in a kind of above-mentioned reduction pig manure using the pig manure in the method for Swine manure, step (5)
In, the auxiliary material is made up of the material of following weight percentage：Mineral powder 0-8%, coarse fiber material 90-98%, vinasse powder 1-
3%.
Arsenic content and prepared in a kind of above-mentioned reduction pig manure using the pig manure in the method for Swine manure, step (5)
In, the mineral powder is the powder that residual ore is ground into coal mining.
Arsenic content and prepared in a kind of above-mentioned reduction pig manure using the pig manure in the method for Swine manure, it is described thick fine
It is the combination of any one or more in mushroom fertilizer slag, celestial being's grass meal, coffee grounds, bran powder and dregs of beans to tie up material.
The present invention uses above-mentioned technique, by the effect of ethanol, the material in pig manure is produced change, then with highly basic
And have positive effect to drop low arsenic content, realize pig manure recycling, reduce the As polluted soil in pig manure, then pass through
Addition auxiliary material stack retting obtains Swine manure, ensures food safety.
Embodiment
With reference to specific embodiment, the present invention is described in further detail, but does not form to any of the present invention
Limitation.
Arsenic content and the method that Swine manure is prepared using the pig manure, this method bag in a kind of reduction pig manure of the present invention
Include following step：
(1) pig manure in plant is collected using suction-type sewer scavenger and is transported to factory and pours into processing pond, by pig manure per ton
Add 30-80 kilograms of ethanol, carry out first time stirring, after stirring stand 12-48 hours, pig manure by original lumps it is sour, it is smelly,
Fishy smell changes into dispersed by ethanol and produces stronger ammonia taste, and pig manure Ph values are 1-5 after standing.
(2) add after the completion of ethanol stirring standing, adding 30-80 kilograms of sodium hydroxide by pig manure per ton enters processing pond
In, 12-48 hours are stood after stirring, pig manure is yellowish by blacking.Neutralized using highly basic, have positive effect to drop low arsenic content.
(3) add after the completion of sodium hydroxide standing, the standard that 20-70 kilograms of pulverized limestone is added by pig manure per ton weighs lime
Powder, be uniformly divided into trisection, often plus a pulverized limestone, added again after stirring, so repeatedly uniform stirring three times after, pig manure
Ph values bring up to 7-13 by original 1-5, and pig manure temperature is lifted to 40 ° -43 ° by original normal temperature, the lower microbe conversion 12- of static state
36 hours.Pulverized limestone, which meets water, can produce calcium carbonate, play mitigation and stabilization, while produce high heat in its course of reaction,
Pig manure temperature can be improved, there is deodorization, sterilization and sterilization.
(4) add after the completion of pulverized limestone standing, add 10-40 kilograms of sulfuric acid by pig manure per ton is stirred into processing pond
Mix, using the Ph values in acid-base neutralization regulation pig manure to 6.5-8, obtain the pig manure that arsenic content meets national standard.
(5) material gross weight 35-40% auxiliary material is accounted for toward addition in processing pond, stack retting area is transferred to after being again stirring for uniformly,
Covered plastic film is converted, and conversion temperature is controlled at 50 ° -80 °, and interval is turned over once for 2-3 days；Transformation time is 20-60 days,
Obtain Swine manure.The auxiliary material is made up of the material of following weight percentage：Mineral powder 0-8%, coarse fiber material 90-
98%th, vinasse powder 1-3%.The coarse fiber material is any in mushroom fertilizer slag, celestial being's grass meal, coffee grounds, bran powder and dregs of beans
One or more combinations.Mineral powder is the powder that residual ore is ground into coal mining.
Mushroom fertilizer slag, itself it is to use the crude fibre materials such as straw, cornstalk, adds active bacteria to form, after the harvesting of mushroom class, its
Remaining bacterium and crude fibre in waste material are all present, and play a part of to suppress conversion, water suction as auxiliary material.
Celestial being's grass meal, alkalescence, category crude fibre, have the function that to absorb water and suppress acid.
Coffee grounds, there is strong fragrance, plays a part of to neutralize stink, Coffea pulse family class, protein in process of production
Content is high, can increase nutrient.
Dregs of beans, Main Ingredients and Appearance are protein, increase organic fertilizer nutrient content.
Bran powder, Main Ingredients and Appearance is lignin and crude fibre, for absorbing water, and turns into the nutrient of organic fertilizer after decomposed.
It vinasse powder, also containing wine composition, can both absorb water, and be the material of the high nutrient of organic fertilizer again, while can also increase
Fermentation temperature.
Pig manure moisture content reaches 70-80%, though being converted through ethanol, ground caustic, pulverized limestone, arsenic element therein still has residual, no
It may be wholly absent, pig manure develops as recycling, the reduction of water content, it is necessary to have crude fibre material to absorb water
Part, the auxiliary material used in this project is all related to alkalescence and crude fibre, although ethanol decomposes the lumps in pig manure, pig
Starch residual proportion in excrement is excessive, when fading away for alcohol, the very strong agglomerate phenomenon of viscosity still occurs, with alkalescence
Crude fibre makees auxiliary material, plays complementary effect.
Test case 1
Same Meizhou pork pig field takes 1000 grams of pig manure sample, adds 30 grams of ethanol and is tentatively stirred, pig in stirring
Excrement glues bulk and decomposed rapidly, and sour fishy smell switchs to one ammonia taste.Stirring adds 30 grams of sodium hydroxide after 2 to 3 minutes, carries out second
Stirring, ammonia taste starts to alleviate in stirring, pig manure color by it is black change into it is faint yellow.After stirring 2 to 3 minutes, pulverized limestone 20 is added
Gram it is again stirring for, pig manure is brown after stirring, slightly alkali taste, and the sour raw meat and ammonia taste in pig manure all disappear.The Ph of pig manure
Value is brought up between 9-10, and temperature is brought up between 30-33 degree, and static transformation fermentation adds 10 grams of sulfuric acid and carried out after 12 hours
Stirring, adjusts Ph values, and pH value is controlled between 7-8.
After sample dries after seven days, 250 grams of feeding sample detects to the chemical examination of Meizhou City Minister of the General Administration for Quality Supervision, testing result arsenic content (with
Wet basis meter)：8.8mg/kg, the dry and wet scale merit (testing number × 100 ÷ 70) provided according to quality testing department calculate：To dry base
Meter arsenic is 8.8 × 100 ÷ 70=11.73mg/kg, and arsenic contains compared with the content 18.9mg/kg of the arsenic of first time examining report
Amount disappears 38%.
Test case 2
Same Meizhou pork pig field takes 1000 grams of pig manure sample, adds 50 grams of ethanol and is tentatively stirred, pig in stirring
Excrement glues bulk and decomposed rapidly, and sour fishy smell switchs to pungent ammonia taste.Stirring adds 50 grams of sodium hydroxide after 2 to 3 minutes, carries out second
Secondary stirring, ammonia taste starts to alleviate in stirring, and pig manure color changes into buff by black.After stirring 2 to 3 minutes, pulverized limestone is added
40 grams are again stirring for, and pig manure is brown after stirring, slightly heavy alkali taste, and the sour raw meat and ammonia taste in pig manure all disappear.Pig manure
PH value bring up between 11-12, temperature is brought up between 36-38 degree, and static transformation fermentation is after 24 hours, adds 25 grams of sulfuric acid
It is stirred, adjusts pH value, pH value is controlled between 7-8.
Sample drying is dry after seven days takes 500 grams to be sent to the chemical examination detection of Meizhou City Minister of the General Administration for Quality Supervision, and testing result arsenic content is (with wet basis
Meter)：5.6mg/kg, the dry and wet scale merit (testing number × 100 ÷ 70) provided according to quality testing department calculate：The arsenic in terms of drying base
For 5.6 × 100 ÷ 70=8mg/kg, the disappearance amplitude of arsenic reduces by 27% again compared with case 1.
Case 2 compares with former pig manure censorship for the first time, and the content of arsenic disappears 10.9mg/kg, and disappearance amplitude is 65%.
Test case 3
Same Meizhou pork pig field takes 1000 grams of pig manure sample, adds 80 grams of ethanol and is tentatively stirred, pig in stirring
Excrement glues bulk and decomposed rapidly, and sour fishy smell switchs to stronger pungent ammonia taste.Stirring adds 80 grams of sodium hydroxide after 2 to 3 minutes, carries out
Second of stirring, ammonia taste starts to alleviate in stirring, and pig manure color changes into buff by black.After stirring 2 to 3 minutes, stone is added
70 grams of ashes is again stirring for, and pig manure is brown after stirring, band weight alkali taste, and the sour raw meat and ammonia taste in pig manure all disappear.Pig
The pH value of excrement is brought up between 12-13, and temperature is brought up between 40-43 degree, and static transformation fermentation adds 40 grams of sulphur after 36 hours
Acid is stirred, and adjusts pH value, and pH value is controlled between 6.5-8.
Sample drying is dry after seven days takes 250 grams to be sent to the chemical examination detection of Meizhou City Minister of the General Administration for Quality Supervision, and testing result arsenic content is (with drying
Base meter)：4.8mg/kg, count arsenic with former pig manure censorship for the first time to dry base and compareed as 18.9mg/kg, the content of arsenic disappears
14.1mg/kg, disappearance amplitude are 75%.
Prove through test of many times, first stimulated with ethanol, pig manure is changed, then the arsenic in pig manure is disappeared with ground caustic,
Effect develops it is clear that along with the regulation of " day clear day is clean " is implemented to the recycling of pig manure.Reduce cultivation opposite
Layer pollution must be feasible.
Embodiment provided above is the better embodiment of the present invention, is only used for the convenient explanation present invention, not to this hair
It is bright to make any formal limitation, any those of ordinary skill in the art, if putting forward skill not departing from the present invention
In the range of art feature, using the equivalent embodiment for locally changing or modifying made by disclosed technology contents, and
Without departing from the technical feature content of the present invention, in the range of still falling within the technology of the present invention feature.
Claims (6)
1. a kind of reduce arsenic content and the method that Swine manure is prepared using the pig manure in pig manure, it is characterised in that this method
Comprise the steps：
(1) pig manure in plant is collected using suction-type sewer scavenger and is transported to factory and pours into processing pond, added by pig manure per ton
30-80 kilograms of ethanol, first time stirring is carried out, 12-48 hours are stood after stirring, pig manure is by original lumps are sour, smelly, fishy smell
Dispersed is changed into by ethanol and produces stronger ammonia taste, pig manure Ph values are 1-5 after standing；
(2) add after the completion of ethanol stirring standing, adding 30-80 kilograms of sodium hydroxide by pig manure per ton enters in processing pond, stirs
12-48 hours are stood after mixing, pig manure is yellowish by blacking；
(3) add after the completion of sodium hydroxide standing, adding 20-70 kilograms of pulverized limestone by pig manure per ton enters in processing pond, stirring
After uniformly, static lower microbe conversion 12-36 hours；
(4) add after the completion of pulverized limestone standing, add 10-40 kilograms of sulfuric acid by pig manure per ton is stirred into processing pond, profit
With the Ph values in acid-base neutralization regulation pig manure to 6.5-8, the pig manure that arsenic content meets national standard is obtained；
(5) material gross weight 35-40% auxiliary material is accounted for toward addition in processing pond, stack retting area is transferred to after being again stirring for uniformly, is capped
Plastic sheeting is converted, and obtains Swine manure.
A kind of reduce arsenic content in pig manure 2. according to claim 1 and the side of Swine manure is prepared using the pig manure
Method, it is characterised in that step (3) is specially：Add after the completion of sodium hydroxide standing, 20-70 kilograms of stone is added by pig manure per ton
The standard of ashes weighs pulverized limestone, is uniformly divided into trisection, often adds a pulverized limestone, is added again after stirring, so repeatedly
Uniform stirring three times after, pig manure Ph values bring up to 7-13 by original 1-5, pig manure temperature by original normal temperature lifting to 40 °-
43 °, static lower microbe conversion 12-36 hours.
A kind of reduce arsenic content in pig manure 3. according to claim 1 and the side of Swine manure is prepared using the pig manure
Method, it is characterised in that step (5) is specially：Addition accounts for material gross weight 35-40% auxiliary material in toward processing pond, is again stirring for
Stack retting area is transferred to after uniformly, covered plastic film is converted, and conversion temperature is controlled at 50 ° -80 °, and interval is turned over once for 2-3 days；
Transformation time is 20-60 days, obtains Swine manure.
4. arsenic content and prepare Swine manure using the pig manure in a kind of reduction pig manure according to claim 1 or 3
Method, it is characterised in that in step (5), the auxiliary material is made up of the material of following weight percentage：Mineral powder 0-8%, thick fibre
Tie up material 90-98%, vinasse powder 1-3%.
A kind of reduce arsenic content in pig manure 5. according to claim 4 and the side of Swine manure is prepared using the pig manure
Method, it is characterised in that in step (5), the mineral powder is the powder that residual ore is ground into coal mining.
A kind of reduce arsenic content in pig manure 6. according to claim 4 and the side of Swine manure is prepared using the pig manure
Method, it is characterised in that the coarse fiber material is any one in mushroom fertilizer slag, celestial being's grass meal, coffee grounds, bran powder and dregs of beans
Or a variety of combination.
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| CN103723897A (en) * | 2013-12-04 | 2014-04-16 | 刘军亮 | Processing technology for sterilization, deodorization, dehydration and heavy metal removing of sludge |
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Application publication date: 20171208 |