CN101298395B - Citrus peel pomace anaerobic fermentation processing method - Google Patents

Citrus peel pomace anaerobic fermentation processing method Download PDF

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CN101298395B
CN101298395B CN2007100784470A CN200710078447A CN101298395B CN 101298395 B CN101298395 B CN 101298395B CN 2007100784470 A CN2007100784470 A CN 2007100784470A CN 200710078447 A CN200710078447 A CN 200710078447A CN 101298395 B CN101298395 B CN 101298395B
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citrus peel
peel residue
anaerobic fermentation
processing method
raw material
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CN101298395A (en
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张磊
李艳宾
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Southwest University
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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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • 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 processing method for the anaerobic fermentation of orange peel dregs; the anaerobic fermentation is carried out with certain feeding concentration by taking the orange peel dregs as raw material and adding the dejecta of human and animals. Batch or continuous anaerobic fermentations can be carried out by utilizing carbamide to adjust the C/N ratio and using an alkali liquor such as NaOH or NaHCO3, etc. and HC1 liquor to adjust the pH of a fermentation liquor. The invention carries out the anaerobic fermentation by utilizing wastes for processing oranges, which not only can effectively process a great amount of orange dregs and reduce environment pollution, but also can obtain firedamp energy, realize the recycling and utilization of the wastes for processing oranges, thus having positive environment protection meaning and better economic benefits.

Description

Citrus peel pomace anaerobic fermentation processing method
Technical field
The present invention relates to a kind of citrus peel residue treatment process, particularly carry out the method that anaerobically fermenting is handled with citrus peel residue.
Background technology
At present, for the fresh hide slag of oranges and tangerines processing generation or the processing of the skin slag after squeezing tangerine oil, mainly take the mode of landfill.Also there are simultaneously two kinds of recycling approach: the one, produce protein fodder, the one, make organic fertilizer.Yet, because the restriction of technology, and the palatability problem, present stage only has adds the test report that a small amount of tangerine slag is raised fowl, poultry.In addition, excessive because of the citrus peel residue water content, the compost cost is too high, and very easily surrounding environment is caused once more in composting process and pollute, so also having difficulty in walking aspect the trans-utilization of its organic fertilizer.As seen, only utilize above two kinds of approach, be difficult on a large scale, handle timely and effectively day generation in ten thousand tons citrus peel residue.Therefore, the treatment process that necessary searching is new is to solve the environmental pressure that increases the weight of day by day.
Summary of the invention
The present invention is directed to the problems referred to above that prior art exists, provide a kind of citrus peel residue to carry out the method that anaerobically fermenting is handled, this method not only can effectively be handled large batch of citrus peel residue, and can also reclaim certain biogas energy, and obtains fine natural pond liquid, biogas residue organic fertilizer.
The technical solution adopted in the present invention is:
A kind of citrus peel pomace anaerobic fermentation processing method, carry out according to the following steps:
(1) be main raw material with the citrus peel residue, be aided with a certain amount of pig manure, citrus peel residue is in 5:5 to 7:3 scope with the fresh weight ratio of pig manure, utilizes urea to regulate its carbon-nitrogen ratio at 20-30:1;
(2) stack retting is 0-5 days;
(3) concentration with 4-6% feed intake (density calculating method is the per-cent that the dry matter weight of feed liquid accounts for total feed liquid weight), inoculate 20% the outmoded mud of methane-generating pit (method of calculation of inoculum size account for the per-cent of the dry matter weight that is fed intake for the inoculum dry matter weight) simultaneously through citrus peel residue leach liquor immersion domestication, with raw material and inoculum thorough mixing, carry out anaerobically fermenting;
Initial from fermenting to finishing, with NaOH solution or NaHCO 3Solution and HCl solution are regulated and are kept fermented liquid pH between 6.5-7.5.
This technical scheme can be carried out batch fermentation of citrus peel residue.Also can continuously ferment simultaneously, refuelling scheme is: reload 8-12 days time, reload batch was 2.5-7.5% (raw material occupies validity response volumetrical per-cent).
Because the entire treatment process under anaerobic carries out, thereby can avoid the pollution to environment such as citrus peel residue effusion.This method not only can effectively be handled citrus peel residue, can also reclaim biogas energy during the fermentation, and the residue after the fermentation then is good organic fertilizer.
Embodiment
Below relend and help embodiment to be described in more detail the present invention; but should be appreciated that following examples only are illustrative; it is not limiting the scope of the invention; the conversion of any those of ordinary skill in the art under the spirit that does not break away from claim protection of the present invention all should be within protection scope of the present invention.
Embodiment 1
With 0.933kg citrus peel residue (water content 82.30%, down together) with 0.400kg pig manure (water content 81.07%, thorough mixing down together), stack retting does not add urea 8.88g to regulate fermentation material C/N to 25:1, adds inoculum 0.853kg (solid content about 5.65% then, down together), and adding tap water 1.814L, thorough mixing is anaerobically fermenting 30d under 20 ℃ the condition in medial temperature.Keep fermented liquid pH between 6.5-7.5 with NaOH solution and the adjusting of HCI solution in the fermenting process.The results are shown in table 1.
Table 1
Embodiment 2
With 0.800kg citrus peel residue and 0.533kg pig manure thorough mixing, stack retting does not add urea 8.88g to regulate fermentation material C/N to 25:1, add inoculum 0.853kg then, and adding tap water 1.814L, thorough mixing is anaerobically fermenting 30d under 20 ℃ the condition in medial temperature.Keep fermented liquid pH between 6.5-7.5 with NaOH solution and the adjusting of HCl solution in the fermenting process.The results are shown in table 2.
Table 2
Figure S07178447020070528D000022
Embodiment 3
With 0.667kg citrus peel residue and 0.667kg pig manure thorough mixing, stack retting does not add urea 8.88g to regulate fermentation material C/N to 25:1, add inoculum 0.853kg then, and adding tap water 1.814L, thorough mixing is anaerobically fermenting 30d under 20 ℃ the condition in medial temperature.Keep fermented liquid pH between 6.5-7.5 with NaOH solution and the adjusting of HCl solution in the fermenting process.The results are shown in table 3.
Table 3
Figure S07178447020070528D000023
Embodiment 4
With 0.933kg citrus peel residue and 0.400kg pig manure thorough mixing, stack retting 5d adds urea 8.88g to regulate fermentation material C/N to 25:1, add inoculum 0.853kg then, and adding tap water 1.814L, thorough mixing is anaerobically fermenting 30d under 20 ℃ the condition in medial temperature.Keep fermented liquid pH between 6.5-7.5 with NaOH solution and the adjusting of HCI solution in the fermenting process.The results are shown in table 4.
Table 4
Figure S07178447020070528D000031
Embodiment 5
With 0.933kg citrus peel residue and 0.400kg pig manure thorough mixing, stack retting not, add urea 8.88g to regulate fermentation material C/N to 25:1, add inoculum 0.853kg then, and add tap water 1.814L, thorough mixing, be anaerobically fermenting 30d under 19 ℃ the condition in medial temperature, in the fermenting process, regulate with NaHCO3 solution and HCl solution and to keep fermented liquid pH between 6.5-7.5, reload every 12d, reload batch is 7.5%.The results are shown in table 4.
Table 5
Figure S07178447020070528D000032
Embodiment 6
With 0.933kg citrus peel residue and 0.400kg pig manure thorough mixing, stack retting 5d, add urea 8.88g to regulate fermentation material C/N to 25:1, add inoculum 0.853kg then, and adding tap water 1.814L, thorough mixing is anaerobically fermenting 30d under 19 ℃ the condition in medial temperature, in the fermenting process, use NaHCO 3Solution and HCl solution are regulated and are kept fermented liquid pH between 6.5-7.5, reload every 8d, and reload batch is 5%.The results are shown in table 6.
Table 6
Figure S07178447020070528D000033
Embodiment 7
With 0.933kg citrus peel residue and 0.400kg pig manure thorough mixing, stack retting 5d, add urea 8.88g to regulate fermentation material C/N to 25:1, add inoculum 0.853kg then, and adding tap water 1.814L, thorough mixing is anaerobically fermenting 30d under 19 ℃ the condition in medial temperature, in the fermenting process, use NaHCO 3Solution and HCl solution are regulated and are kept fermented liquid pH between 6.5-7.5, reload every 10d, and reload batch is 7.5%.The results are shown in table 7.
Table 7
Figure S07178447020070528D000034

Claims (2)

1. the anaerobic fermentation processing method of citrus peel residue is characterized in that carrying out according to the following steps:
(1) be main raw material with the citrus peel residue, be aided with pig manure, citrus peel residue is 5: 5～7: 3 with the fresh weight ratio of pig manure, utilizes urea to regulate its carbon-nitrogen ratio at 20-30: 1;
(2) stack retting 0-5 days;
(3) concentration that accounts for the per-cent 4-6% of total feed liquid weight with the dry matter weight of feed liquid feeds intake and inoculates the outmoded mud of methane-generating pit that soaks domestication through the citrus peel residue leach liquor, the inoculum dry matter weight accounts for the per-cent 20% of the dry matter weight that is fed intake, with raw material and inoculum thorough mixing, carry out anaerobically fermenting;
Initial from fermenting to finishing, with NaOH solution or NaHCO 3Solution and HCl solution are regulated and are kept fermented liquid pH between 6.5-7.5.
2. the anaerobic fermentation processing method of citrus peel residue according to claim 1 is characterized in that, citrus peel residue is carried out batch a fermentation or a continuous anaerobic fermentation, reloads time 8-12 days, and reload batch occupies validity response volumetrical per-cent with raw material and counts 2.5-7.5%.
CN2007100784470A 2007-04-30 2007-04-30 Citrus peel pomace anaerobic fermentation processing method Expired - Fee Related CN101298395B (en)

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Publication number Priority date Publication date Assignee Title
CN101509016B (en) * 2009-03-23 2012-03-28 西南大学 Method for diphasic fermentation of generating matter energy by using agricultural product castoff such as tangerine hull slag
CN102120959A (en) * 2010-12-14 2011-07-13 四川禹伽茶业科技有限公司 Method for preparing biogas by fermenting exhausted tea
CN102080006A (en) * 2011-02-01 2011-06-01 赣州中橙果业科技开发股份有限公司 Citrus peel biomass energy particle and preparation method thereof by squeezing
CN102887791B (en) * 2012-10-26 2014-01-01 中国农业科学院柑桔研究所 Method for preparing citrus container nursery nutrition soil
CN103396235B (en) * 2013-08-05 2015-04-29 西南大学 Method for producing organic fertilizer by orange peel slag
CN103819282B (en) * 2014-03-04 2015-11-11 重庆圣沛农业科技有限公司 A kind of citrus peel residue seedling medium and preparation method thereof
CN105016854A (en) * 2015-06-30 2015-11-04 成都新柯力化工科技有限公司 Fruit special fertilizer synergist, and preparation method thereof
CN105130149B (en) * 2015-07-23 2018-01-05 中国科学院重庆绿色智能技术研究院 A kind of method for recycling citrus peel residue and dewatered sludge fermentation and biogas production
CN105001007B (en) * 2015-08-10 2018-03-09 中国科学院重庆绿色智能技术研究院 A kind of method and organic fertilizer that organic fertilizer is manufactured using citrus peel residue and municipal sludge as primary raw material
CN109678607A (en) * 2019-02-19 2019-04-26 江西浩德实业有限公司 A kind of orange peel fermentation organic fertilizer and preparation method thereof
CN110760547B (en) * 2019-12-06 2021-07-20 江西省环境保护科学研究院 Method for treating waste navel oranges based on fruit-pig-marsh-fruit-fish in-situ closed-loop digestion

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CN1613819A (en) * 2004-12-09 2005-05-11 王喜顺 Farm nanure planting bricks and production thereof
CN1785924A (en) * 2005-11-04 2006-06-14 袁登辉 Amino acid organic fertilizer, its preparation method and use
CN1789216A (en) * 2004-12-13 2006-06-21 郭志忠 Cyclic utilization of orange peel dregs for producing organic fertilizer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1613819A (en) * 2004-12-09 2005-05-11 王喜顺 Farm nanure planting bricks and production thereof
CN1789216A (en) * 2004-12-13 2006-06-21 郭志忠 Cyclic utilization of orange peel dregs for producing organic fertilizer
CN1785924A (en) * 2005-11-04 2006-06-14 袁登辉 Amino acid organic fertilizer, its preparation method and use

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