Citrus peel pomace anaerobic fermentation processing method

A technology of citrus peel residue and anaerobic fermentation, which is applied in the treatment, application, organic fertilizer and other directions of bio-organic parts, can solve the difficulty in conversion and utilization of organic fertilizers, and it is difficult to deal with citrus peel residues and citrus peel residues in a timely and effective manner on a large scale. Problems such as large amount of water

Inactive Publication Date: 2008-11-05
SOUTHWEST UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to technical constraints and palatability issues, there are only experimental reports on feeding poultry and livestock with a small amount of orange residue at this stage.
In addition, because the water content of citrus peels is too high, the cost of composting is too high, and the surrounding environment is easily re-polluted during the composting process, so it is also difficult to transform and utilize its organic fertilizers.
It can be seen that only by using the above two methods, it is difficult to deal with the citrus peels with a daily production capacity of tens of thousands of tons in a large-scale, timely and effective manner.

Method used

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  • Citrus peel pomace anaerobic fermentation processing method
  • Citrus peel pomace anaerobic fermentation processing method
  • Citrus peel pomace anaerobic fermentation processing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Fully mix 0.933kg of citrus peel residue (moisture content 82.30%, the same below) with 0.400kg pig manure (water content 81.07%, the same below), without stacking, add urea 8.88g to adjust the fermentation material C / N to 25: 1. Then add 0.853kg of inoculum (the solid content is about 5.65%, the same below), and add 1.814L of tap water, mix well, and anaerobically ferment for 30d at an average temperature of 20°C. During the fermentation process, adjust and maintain the pH of the fermentation broth between 6.5-7.5 with NaOH solution and HCl solution. The results are shown in Table 1.

[0015] Table 1

[0016]

Embodiment 2

[0018] Fully mix 0.800kg of citrus peel residue with 0.533kg of pig manure without stacking and retting, add 8.88g of urea to adjust the C / N of the fermentation material to 25:1, then add 0.853kg of inoculum, and add 1.814L of tap water, mix thoroughly, Anaerobic fermentation was carried out for 30 days at an average temperature of 20°C. During the fermentation process, adjust and maintain the pH of the fermentation broth between 6.5-7.5 with NaOH solution and HCl solution. The results are shown in Table 2.

[0019] Table 2

[0020]

Embodiment 3

[0022] Fully mix 0.667kg of citrus peel and 0.667kg of pig manure without stacking and retting, add 8.88g of urea to adjust the C / N of the fermentation material to 25:1, then add 0.853kg of inoculum, and add 1.814L of tap water, mix thoroughly, Anaerobic fermentation was carried out for 30 days at an average temperature of 20°C. During the fermentation process, adjust and maintain the pH of the fermentation broth between 6.5-7.5 with NaOH solution and HCl solution. The results are shown in Table 3.

[0023] table 3

[0024]

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PUM

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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

technical field [0001] The invention relates to a method for treating citrus peel, in particular to a method for anaerobic fermentation treatment with citrus peel. Background technique [0002] At present, landfill is the main way to deal with fresh peel residues from citrus processing or peel residues after extracting citrus essential oils. At the same time, there are two ways of resource utilization: one is to produce protein feed, and the other is to make organic fertilizer. However, due to technical constraints and palatability issues, there are only experimental reports of adding a small amount of orange residue to feed poultry and livestock at this stage. In addition, because the water content of citrus peels is too large, the cost of composting is too high, and the surrounding environment is easily re-polluted during the composting process, so the conversion and utilization of its organic fertilizers are also struggling. It can be seen that only using the above two ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F17/00C05F9/04C05F3/00
CPCY02A40/20Y02E50/30Y02W30/40
Inventor 张磊李艳宾
Owner SOUTHWEST UNIVERSITY
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