Method for biologically treating and transforming blue algae by using insect larvae

A big-headed golden fly and biological treatment technology, applied in the field of resources and environment, to achieve the effects of high efficiency, short processing time, and solving the problem of way out

Active Publication Date: 2012-05-23
周雨珺
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, although the protein content of cyanobacteria is much higher than that of pig manure, organic waste, etc., these cyanobacteria proteins are difficult to be directly utilized by fly maggots, so so far, there are no reports of any patents related to processing cyanobacteria with fly maggots

Method used

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Embodiment Construction

[0034] The following describes embodiments of the present invention.

[0035] 1. Preparation of cyanobacteria culture material

[0036] Take 30kg of cyanobacteria mud, and first hydrothermally heat (121°C and 1.2MPa) for 30 minutes to destroy the cyanobacteria cells. After cooling, add 20% bran according to its weight and mix well. Then inoculate about 5% of the mixed fermentation bacteria liquid and ferment naturally for 2 days.

[0037] 2. Preparation of golden fly eggs

[0038] Take about 10g of pure golden fly eggs from the breeding cage for hatching larvae (fly maggots).

[0039] 3. Cultivation of fly maggots with cyanobacteria culture material

[0040] The prepared cyanobacteria culture material is evenly placed in two culture plates with a groove on each side. The length of the plate is 70 cm, the width is 50 cm, and the depth is 8 cm. The culture material is filled with a thickness of 5 cm. According to the standard of 0.3 grams of eggs per kilogram of material (equivalent to ...

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Abstract

The invention provides a method for biologically treating and transforming blue algae by using insect larvae, and belongs to the technical field of resource environments. The method comprises the following steps of: after the fished blue algae serous fluid or the dehydrated blue algae mud is hydro-thermally treated, adding a little amount of bran into the blue algae serous fluid or the blue algaemud, and pre-fermenting the mixture for 2 days to prepare a culture material for fly larvae, wherein the thickness of the culture material in a culture tray is 5 to 10 centimeters; inoculating 0.3 gram of fly eggs to the surface of each kilogram of culture material, wherein the point-sowing density is 3 to 5 places per square meter; and placing the culture tray in a room with good ventilation andweak rays, culturing the fly eggs for 3 to 5 days, and harvesting the fly larvae serving as feed protein after the fly larvae is mature. The residue is smell-less and loose, greatly reduces the moisture, has rich nutrient, and can be directly used as a biological organic fertilizer. The method for treating the blue algae is efficient and quick and has high economic benefit.

Description

1. Technical Field [0001] The invention relates to a method for biologically treating and transforming cyanobacteria with golden fly larvae, so that the cyanobacteria can be fully utilized as resources, and belongs to the technical field of resources and environment. 2. Background technology [0002] With the discharge of industrial wastewater and domestic sewage, and some agricultural activities (such as large-scale fertilization), a large amount of nutrients enter the lake, leading to the increasingly serious eutrophication of the water body, which induces the large-scale outbreak of cyanobacteria (water bloom phenomenon) ). The cyanobacteria bloom will deteriorate the sensory properties such as water color and transparency. When the cyanobacteria reproduce, they will emit a fishy smell, and they will also emit a bad smell when they die and rot. The proliferation of cyanobacteria and the decomposition of dead algae will also consume a large amount of oxygen in the water, causi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/033C02F11/02C05F17/00
CPCY02W30/40
Inventor 周雨珺
Owner 周雨珺
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