CN103387432B - Method for efficiently removing antibiotics by composting bamboo carbon and pig dung - Google Patents
Method for efficiently removing antibiotics by composting bamboo carbon and pig dung Download PDFInfo
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- CN103387432B CN103387432B CN201310321885.0A CN201310321885A CN103387432B CN 103387432 B CN103387432 B CN 103387432B CN 201310321885 A CN201310321885 A CN 201310321885A CN 103387432 B CN103387432 B CN 103387432B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention relates to a method for efficiently removing antibiotics by composting bamboo carbon and pig dung, and belongs to the technical field of biological environmental protection. The method comprises the process steps of (1) pretreating compost materials; (2) mixing the compost materials in proportion; (3) carrying out composting fermentation; (4) freeze-drying and screening compost, and measuring the content of the antibiotics. The method for efficiently removing the antibiotics by composting the bamboo carbon and the pig dung, disclosed by the invention, is reasonable in design; according to the method, after air dried sawdust, decomposed dung and the bamboo carbon are reasonably compounded together and are subjected to high-temperature composting fermentation, the harmful antibiotics contained in livestock and poultry dung are removed to a great degree, the removal ratio of the harmful antibiotics achieves more than 90%, and the fertilizer quality is enhanced.
Description
Technical field
The invention belongs to technical field of biological environmental protection, be specifically related to a kind of bamboo charcoal pig manure and efficiently remove antibiotic method.
Background technology
Bamboo is extensively distributed in the torrid zone, subtropics and area, warm temperate zone, and bamboo wood can do material of construction, and surf green, bamboo juice can be used as medicine.Bamboo charcoal is the primary product obtained after bamboo wood pyrolysis, there is abundant porosity distribution, high-specific surface area, a large amount of surface negative charges, therefore it all has stronger adsorptive power to a lot of material, meanwhile, also there is the advantages such as material is easy to get, adsorption time is short, removal effect is good, regeneration is easy, consume less, economy is convenient.Therefore, bamboo charcoal can be used as a kind of good sorbing material.
Along with livestock and poultry breeding industry modernization, mass-producing, intensive development, microbiotic is widely used in livestock and poultry cultivation process.But, microbiotic can not be completely absorbed mostly, and nearly 40% ~ 90% discharges outside animal body with the form of parent or metabolite, enters soil and water environment, the health of soil ecosystem, water ecosystem is produced and poisons, and finally harm is produced to HUMAN HEALTH by food chain.Therefore, in feces of livestock and poultry, the harm of residual antibiotic to the pollution of environment and the mankind has caused the great attention of people.
Prior art is fermented mainly through pig manure During High-Temperature Composting to removal research antibiotic in pig manure, it is lower to antibiotic clearance, add bamboo charcoal pig manure During High-Temperature Composting, bamboo charcoal can be utilized organic strong adsorptivity, reach and effectively remove antibiotic object, simultaneously, use bamboo charcoal in soil can hold and stay soil nutrient material, therefore bamboo charcoal pig manure During High-Temperature Composting, not only can improve the recycling of pig manure waste, reduce the risk of environmental pollution, soil Promoting plant growth can also be improved, realize resource security, utilize efficiently.
Summary of the invention
For prior art Problems existing, the object of the invention is to design provides a kind of bamboo charcoal pig manure efficiently to remove the technical scheme of antibiotic method.
Described a kind of bamboo charcoal pig manure efficiently removes antibiotic method, it is characterized in that comprising following processing step:
1) compost material pre-treatment: select through air-dry sawdust, become thoroughly decomposed ight soil and bamboo charcoal;
2) be mixed in proportion compost material: be the air-dry sawdust of 6 ~ 7% by weight percentage, the ight soil that becomes thoroughly decomposed of 5 ~ 6%, the bamboo charcoal of 0 ~ 9% and 81 ~ 87% fresh pig manure carry out mix, after mixing, the carbon-nitrogen ratio of compost material is 21 ~ 25:1;
3) compost fermentation: by step 2) moisture content of mixed compost material is adjusted to 60 ~ 65% laggard row compost fermentations, before in composting process surrounding every 5d, after carry out artificial turning every 7d, after compost fermentation 45d, heap temperature is down to envrionment temperature;
4) compost is through lyophilize, sieves, and measures antibiotic content.
Described a kind of bamboo charcoal pig manure efficiently removes antibiotic method, it is characterized in that sawdust air-dry in described step 1) is screened to diameter 0.1 ~ 1cm, ight soil outward appearance of becoming thoroughly decomposed is furvous or brown, sieves in pelletized form, bamboo charcoal is more than 800 DEG C and fires and form, and pulverizes in 0.5 ~ 1cm.
Above-mentioned a kind of bamboo charcoal pig manure efficiently removes antibiotic method, reasonable in design, utilize air-dry sawdust, become thoroughly decomposed ight soil and bamboo charcoal reasonably composite together with, after During High-Temperature Composting fermentation, microbiotic harmful in animal dung is not only made to obtain removal to a great extent, its clearance reaches more than 90%, and improves the quality of fertilizer.
Accompanying drawing explanation
Fig. 1 is the embodiment of adding bamboo charcoal and the changing trend diagram of microbiotic removal effect in the comparative example pig manure process of not adding bamboo charcoal.
Embodiment
The present invention is further illustrated below in conjunction with embodiment.
Embodiment 1
Experiment material: sawdust, become thoroughly decomposed excrement, bamboo charcoal, fresh pig manure
A kind of bamboo charcoal pig manure efficiently removes antibiotic method, and the method is made up of following step:
(1) compost material pre-treatment: by sawdust in advance through air-dry, being screened to diameter is 0.1 ~ 1cm; The ight soil that becomes thoroughly decomposed selects outward appearance to be furvous or brown, sieves in pelletized form; Bamboo charcoal is more than 800 DEG C and fires and form, and pulverizes in 0.5 ~ 1cm;
(2) be mixed in proportion compost material: be the air-dry sawdust of 6.9% by weight percentage, the ight soil that becomes thoroughly decomposed of 5.6%, the bamboo charcoal of 2.5% and 85% fresh pig manure carry out mix, after mixing, the carbon-nitrogen ratio (C/N) of compost material is 21:1;
(3) compost fermentation: the moisture content of step (2) mixed compost material is adjusted to 61% laggard row compost fermentation, before in composting process, surrounding is every 5d, after every 7d, carry out artificial turning, within the 7th day of compost, reach top temperature, aerobic compost is short for start time, fermentation the 0th, 3,7,10,20,30,45d gathers compound sample, after compost fermentation 45d, heap temperature is down to envrionment temperature;
(4) compost is through lyophilize, sieves, and measures antibiotic content.
The present embodiment is in composting process, and after compost becomes thoroughly decomposed completely, the pH value of heap body is 7.53, specific conductivity is 4.7 ms/cm, and total nitrogen content is 7.54 g/kg, and content of tatal phosphorus is 3.6 g/kg, full potassium content 9.7 g/kg, C/N are than being 15.8:1, and antibiotic clearance reaches 94.5%.
Embodiment 2
Experiment material: sawdust, become thoroughly decomposed excrement, bamboo charcoal, fresh pig manure
A kind of bamboo charcoal pig manure efficiently removes antibiotic method, and the method is made up of following step:
(1) compost material pre-treatment: by sawdust in advance through air-dry, being screened to diameter is 0.1 ~ 1cm; The ight soil that becomes thoroughly decomposed selects outward appearance to be furvous or brown, sieves in pelletized form; Bamboo charcoal is more than 800 DEG C and fires and form, and pulverizes in 0.5 ~ 1cm;
(2) be mixed in proportion compost material: be the air-dry sawdust of 6.5% by weight percentage, the ight soil that becomes thoroughly decomposed of 5.5%, the bamboo charcoal of 5% and 83% fresh pig manure carry out mix, after mixing, the carbon-nitrogen ratio (C/N) of compost material is 22:1;
(3) compost fermentation: the moisture content of step (2) mixed compost material is adjusted to 60% laggard row compost fermentation, before in composting process, surrounding is every 5d, after every 7d, carry out artificial turning, within the 6th day of compost, reach top temperature, aerobic compost is short for start time, and the 0th, 3,7,10,20,30,45 d of fermentation gather compound sample, after compost fermentation 45 d, heap temperature is down to envrionment temperature;
(4) compost is through lyophilize, sieves, and measures antibiotic content.
The present embodiment is in composting process, and after compost becomes thoroughly decomposed completely, the pH value of heap body is 7.46, specific conductivity is 4.4 ms/cm, and total nitrogen content is 7.6 g/kg, and content of tatal phosphorus is 4.0 g/kg, full potassium content 10.1 g/kg, C/N are than being 14.2:1, and antibiotic clearance reaches 97.5%.
Embodiment 3
Experiment material: sawdust, become thoroughly decomposed excrement, bamboo charcoal, fresh pig manure
A kind of bamboo charcoal pig manure efficiently removes antibiotic method, and the method is made up of following step:
(1) compost material pre-treatment: by sawdust in advance through air-dry, being screened to diameter is 0.1 ~ 1cm; The ight soil that becomes thoroughly decomposed selects outward appearance to be furvous or brown, sieves in pelletized form; Bamboo charcoal is more than 800 DEG C and fires and form, and pulverizes in 0.5 ~ 1cm;
(2) be mixed in proportion compost material: be the air-dry sawdust of 6.3% by weight percentage, the ight soil that becomes thoroughly decomposed of 5.4%, the bamboo charcoal of 7.3% and 81% fresh pig manure carry out mix, after mixing, the carbon-nitrogen ratio (C/N) of compost material is 25:1;
(3) compost fermentation: the moisture content of step (2) mixed compost material is adjusted to 60% laggard row compost fermentation, before in composting process, surrounding is every 5d, after every 7d, carry out artificial turning, within the 6th day of compost, reach top temperature, aerobic compost is short for start time, and the 0th, 3,7,10,20,30,45 d of fermentation gather compound sample, after compost fermentation 45 d, heap temperature is down to envrionment temperature;
(4) compost is through lyophilize, sieves, and measures antibiotic content.
The present embodiment is in composting process, and after compost becomes thoroughly decomposed completely, the pH value of heap body is 7.48, specific conductivity is 4.37 ms/cm, and total nitrogen content is 7.89 g/kg, and content of tatal phosphorus is 4.03 g/kg, full potassium content 10.32 g/kg, C/N are than being 13.4:1, and antibiotic clearance reaches 98.6%.
Comparative example 1
Experiment material: sawdust, become thoroughly decomposed excrement, fresh pig manure
(1) compost material pre-treatment: by sawdust in advance through air-dry, being screened to diameter is 0.1 ~ 1cm; The ight soil that becomes thoroughly decomposed selects outward appearance to be furvous or brown, sieves in pelletized form;
(2) be mixed in proportion compost material: be by weight percentage the air-dry sawdust of 6.8%, 5.8% become thoroughly decomposed excrement and 87.4% fresh pig manure carry out mix, after mixing, the carbon-nitrogen ratio (C/N) of compost material is 20:1;
(3) compost fermentation: the moisture content of step (2) mixed compost material is adjusted to 64% laggard row compost fermentation, before in composting process, surrounding is every 5 d, after every 7 d, carry out artificial turning, within the 12nd day of compost, reach top temperature, aerobic compost is short for start time, and the 0th, 3,7,10,20,30,45 d of fermentation gather compound sample, after compost fermentation 45 d, heap temperature is down to envrionment temperature;
(4) compost is through lyophilize, sieves, and measures antibiotic content.
Comparative example is in composting process, and after compost becomes thoroughly decomposed completely, the pH value of heap body is 7.36, specific conductivity is 5.05 ms/cm, and total nitrogen content is 5.97 g/kg, and content of tatal phosphorus is 3.4 g/kg, full potassium content 96 g/kg, C/N are than being 20:1, and antibiotic clearance reaches 82.7%.
Test-results
As shown in Figure 1, this test is added bamboo charcoal and is carried out compost in fresh pig manure, and after fermentation ends, in embodiment compost material, antibiotic degradation rate is higher than the comparative example not adding bamboo charcoal, and degradation rate reaches more than 90%.
Claims (3)
1. bamboo charcoal pig manure removes an antibiotic method, it is characterized in that being made up of following processing step:
(1) compost material pre-treatment: by sawdust in advance through air-dry, being screened to diameter is 0.1 ~ 1cm; The ight soil that becomes thoroughly decomposed selects outward appearance to be furvous or brown, sieves in pelletized form; Bamboo charcoal is more than 800 DEG C and fires and form, and pulverizes in 0.5 ~ 1cm;
(2) be mixed in proportion compost material: be the air-dry sawdust of 6.9% by weight percentage, the ight soil that becomes thoroughly decomposed of 5.6%, the bamboo charcoal of 2.5% and 85% fresh pig manure carry out mix, after mixing, the carbon-nitrogen ratio of compost material is 21:1;
(3) compost fermentation: the moisture content of step (2) mixed compost material is adjusted to 61% laggard row compost fermentation, before in composting process, surrounding is every 5d, after every 7d, carry out artificial turning, within the 7th day of compost, reach top temperature, aerobic compost is short for start time, fermentation the 0th, 3,7,10,20,30,45d gathers compound sample, after compost fermentation 45d, heap temperature is down to envrionment temperature;
(4) compost is through lyophilize, sieves, and measures antibiotic content.
2. bamboo charcoal pig manure removes an antibiotic method, it is characterized in that being made up of following processing step:
(1) compost material pre-treatment: by sawdust in advance through air-dry, being screened to diameter is 0.1 ~ 1cm; The ight soil that becomes thoroughly decomposed selects outward appearance to be furvous or brown, sieves in pelletized form; Bamboo charcoal is more than 800 DEG C and fires and form, and pulverizes in 0.5 ~ 1cm;
(2) be mixed in proportion compost material: be the air-dry sawdust of 6.5% by weight percentage, the ight soil that becomes thoroughly decomposed of 5.5%, the bamboo charcoal of 5% and 83% fresh pig manure carry out mix, after mixing, the carbon-nitrogen ratio of compost material is 22:1;
(3) compost fermentation: the moisture content of step (2) mixed compost material is adjusted to 60% laggard row compost fermentation, before in composting process, surrounding is every 5d, after every 7d, carry out artificial turning, within the 6th day of compost, reach top temperature, aerobic compost is short for start time, fermentation the 0th, 3,7,10,20,30,45d gathers compound sample, after compost fermentation 45 d, heap temperature is down to envrionment temperature;
(4) compost is through lyophilize, sieves, and measures antibiotic content.
3. bamboo charcoal pig manure removes an antibiotic method, it is characterized in that being made up of following processing step:
(1) compost material pre-treatment: by sawdust in advance through air-dry, being screened to diameter is 0.1 ~ 1cm; The ight soil that becomes thoroughly decomposed selects outward appearance to be furvous or brown, sieves in pelletized form; Bamboo charcoal is more than 800 DEG C and fires and form, and pulverizes in 0.5 ~ 1cm;
(2) be mixed in proportion compost material: be the air-dry sawdust of 6.3% by weight percentage, the ight soil that becomes thoroughly decomposed of 5.4%, the bamboo charcoal of 7.3% and 81% fresh pig manure carry out mix, after mixing, the carbon-nitrogen ratio of compost material is 25:1;
(3) compost fermentation: the moisture content of step (2) mixed compost material is adjusted to 60% laggard row compost fermentation, before in composting process, surrounding is every 5d, after every 7d, carry out artificial turning, within the 6th day of compost, reach top temperature, aerobic compost is short for start time, fermentation the 0th, 3,7,10,20,30,45d gathers compound sample, after compost fermentation 45d, heap temperature is down to envrionment temperature;
(4) compost is through lyophilize, sieves, and measures antibiotic content.
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| CN103739328B (en) * | 2013-12-27 | 2016-03-02 | 环境保护部华南环境科学研究所 | The aerobic compost method of sulfa antibiotics in a kind of efficient degradation feces of livestock and poultry |
| CN103739327B (en) * | 2013-12-27 | 2016-06-08 | 环境保护部华南环境科学研究所 | A kind of anaerobic composting method of sulfamido microbiotic in efficient degradation feces of livestock and poultry |
| CN106495770A (en) * | 2016-10-21 | 2017-03-15 | 青岛农业大学 | A kind of efficient high-rate composting fermentation process of utilization agriculture and forestry organic waste material |
| CN106518327A (en) * | 2016-10-24 | 2017-03-22 | 烟台市昊星晟信息技术有限公司 | Method for preparing compost with effect of removing antibiotics |
| CN106518328A (en) * | 2016-10-24 | 2017-03-22 | 烟台市昊星晟信息技术有限公司 | Organic fertilizer production method |
| CN106518326A (en) * | 2016-10-24 | 2017-03-22 | 烟台市昊星晟信息技术有限公司 | A production method of a fertilizer having an antibiotic degrading effect |
| CN106866234B (en) * | 2017-02-14 | 2023-06-16 | 浙江省农业科学院 | Composting method for efficiently degrading antibiotics in livestock manure |
| CN107129374A (en) * | 2017-06-05 | 2017-09-05 | 西北农林科技大学 | A kind of method of Tetracyclines resistant gene abundance in reduction organic fertilizer |
| CN107649504B (en) * | 2017-10-20 | 2018-08-28 | 温州科技职业学院 | A kind of method of resistance gene contamination in repairing and treating soil |
| CN110550973A (en) * | 2019-10-14 | 2019-12-10 | 福建师范大学 | preparation method of sludge-based biochar-doped pig manure compost |
| CN112159267B (en) * | 2020-09-21 | 2022-04-08 | 中山大学 | Method for reducing pollution of sulfanilamide antibiotics and resistance genes thereof in maggot manure compost |
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