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Method for purifying sea animal cultivation sewage

A technology for marine animals and aquaculture sewage, applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve problems such as aquaculture pollution, and achieve good results, simple procedures, and reduced morbidity. Effect

Inactive Publication Date: 2008-01-09
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technology of using sponge to purify water quality can effectively solve the problem of breeding pollution

Method used

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  • Method for purifying sea animal cultivation sewage
  • Method for purifying sea animal cultivation sewage

Examples

Experimental program
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Effect test

Embodiment 1

[0029] Purification effect of luxuriant membrane sponge on flounder aquaculture wastewater:

[0030] According to the inventive method, the luxuriant membrane sponge is collected in the sea area, washed with clean sea water, put into an incubator (6-10° C.) refrigerated with ice cubes, and transported back to the laboratory. Rinse the sponge three times with sand-filtered seawater at 18°C, and bind 5 sponge blocks weighing about 15g each with 0.2g polyethylene ropes to 5 polyethylene plate attachment bases washed with sand-filtered seawater and each weighing 15g. Suspended in a glass rearing tank filled with 50L flounder breeding sewage, slightly inflated, dissolved oxygen 6.2mg / l. The water temperature is 18±2°C. Change the water once every morning and evening, and suck out 25L of water from the bottom of the breeding tank each time with a siphon, and then add 25L of fish farming sewage with the siphon. After 2 days, all 5 sponges were attached to the attachment base. Afte...

Embodiment 2

[0035] The purification effect of the luxuriant membrane sponge on the aquaculture sewage in the sea cucumber pond:

[0036] A sea cucumber breeding pond was selected at the seaside of Guojiagou Village, Lvshun, Dalian City. The dams on the east and west sides are 100M long, and the dams on the north and south sides are 80M long. The height of the dams ranges from 0.5M to 3.5M from north to south. When the tide is low, the dam is exposed to the water surface, so that the sea cucumber pool is isolated from the outside water body; when the tide is high, the dam is submerged in the sea water, and the water of the sea cucumber pool is integrated with the outside sea water.

[0037] Cables are installed at a height of 3m on both sides of the east and west dykes, and a float is tied every 6 meters on the cables. Two adjacent buoys (points A and B) in the middle area of ​​the cable, where the water depth and bottom quality are basically the same, are selected as the experimental poin...

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Abstract

This invention relates a method for purifying waste-water from marine animals culturing farm. The procedures are: collecting sponge from mesolittoral zone in the sea, being adhered on solid attachment, temporary culturing in running water, finally said sponge together with the solid attachment is placed in the water of marine animals culturing farm, or the effluent from the farm. Due to the continuous filter-feeding of organism by said sponge, the waste-water is purified. This inventive method has advantages of: dropped incidence of diseases of cultured marine animals, increasing yield of products, improving the quality of the products, continuous purification, no use of chemicals, achieving economic benefit, safety and environmental-protection.

Description

technical field [0001] The invention relates to the restoration and treatment of the polluted seawater environment, especially the purification of marine animal breeding sewage, specifically a method for purifying marine animal product breeding sewage by utilizing the filter-feeding characteristics of marine benthic animals. Background technique [0002] my country is a big country in marine animal breeding. However, with the rapid development of the aquaculture industry, the scale and intensification of aquaculture continue to increase. While producing economically valuable animal and seafood products, immeasurable harmful bacteria are also produced, causing disease and death of farmed animals and polluting nearby sea areas. Polluted seawater not only threatens the safety of nearby bathing beaches, but also makes mariculture disease difficult to prevent, and economic losses are increasingly serious. [0003] Although it is urgent to solve the pollution problem caused by m...

Claims

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Application Information

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IPC IPC(8): C02F3/32
Inventor 张卫张喜昌金美芳付晚涛
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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