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In-membrane yeast phosphorus removal device and method for treating phosphorus-containing wastewater

A yeast and wastewater technology, applied in aerobic process treatment, sustainable biological treatment, chemical instruments and methods, etc., can solve the problems of insufficient adaptability of energy consumption, complex operation management, large footprint, etc., and achieve easy maintenance The effect of management, wide adaptability and small footprint

Inactive Publication Date: 2015-09-09
JIANGSU GRANDCHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this process requires a huge internal return system (including sludge return and mixed liquid return), requires a separate secondary sedimentation tank, and occupies a large area, so it is more complicated in operation and management. The adaptability of water quality and water quantity is still insufficient, and the cost is relatively high

Method used

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  • In-membrane yeast phosphorus removal device and method for treating phosphorus-containing wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Connect the air inlet pipe and the outlet nozzle of the aeration tray to form an air path, arrange the air path at the bottom of the filter membrane, and then attach the periphery of the filter membrane to the inner wall of the reactor and the bottom of the reactor to place in the reactor, and the cultured yeast Bacteria (such as Saccharomyces cerevisiae, Crimson yeast, etc.) are poured into the filter membrane, and the filter membrane traps the yeast in the membrane, and the culture solution flows out of the reactor through the filter membrane. After emptying, close the outlet pipe, and the waste water to be treated with a total nitrogen content (TP) of 16 mg / L will flow from the inlet pipe into the filter membrane, and air will be introduced to maintain the dissolved oxygen (DO) at 2-4 mg / L. After 4 hours of treatment, the outlet pipe was opened, so that the treated wastewater was discharged from the reactor through the filter membrane, and the yeast was still trapped ...

Embodiment 2

[0036] Connect the air inlet pipe and the outlet nozzle of the aeration tray to form an air path, arrange the air path at the bottom of the filter membrane, and then attach the periphery of the filter membrane to the inner wall of the reactor and the bottom of the reactor to place in the reactor, and the cultured yeast Bacteria (such as Saccharomyces cerevisiae, Crimson yeast, etc.) are poured into the filter membrane, and the filter membrane traps the yeast in the membrane, and the culture solution flows out of the reactor through the filter membrane. After emptying, close the outlet pipe, flow the waste water with a TP of 50 mg / L to be treated from the inlet pipe into the filter membrane, pass air in, keep the DO at 2-4 mg / L, and open the outlet pipe after 6-8 hours of treatment , so that the treated wastewater is discharged from the reactor through the filter membrane, and the yeast is still trapped in the filter membrane, and then a new round of wastewater treatment is carr...

Embodiment 3

[0038] Connect the air inlet pipe and the outlet nozzle of the aeration tray to form an air path, arrange the air path at the bottom of the filter membrane, and then attach the periphery of the filter membrane to the inner wall of the reactor and the bottom of the reactor to place in the reactor, and the cultured yeast Bacteria (such as Saccharomyces cerevisiae, Crimson yeast, etc.) are poured into the filter membrane, the filter membrane traps the yeast in the membrane, and the culture solution flows out of the reactor through the filter membrane. After emptying, close the outlet pipe, flow the waste water with a TP of 80 mg / L to be treated from the inlet pipe into the filter membrane, and let in air to keep the DO at 2-4 mg / L. After 12 hours of treatment, open the outlet pipe to make The treated wastewater is discharged from the reactor through the filter membrane, and the yeast is still trapped in the filter membrane, and then a new round of wastewater treatment is carried o...

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Abstract

The invention relates to a dephosphorization device of intramembranous saccharomycetes. The device comprises a gas circuit, a reactor, a water inlet pipe and a water outlet pipe, wherein the top of the reactor is opened, filter membranes are arranged on the inner wall and at the bottom of the reactor, and the water outlet pipe is arranged at the bottom of the reactor; the water inlet pipe is used for providing phosphorus wastewater to the reactor; the gas circuit comprises a gas inlet pipe and an aerating disc connected to each other, and the aerating disc is arranged above the filter membrane at the bottom in the reactor. The method for treating phosphorus wastewater by using the device comprises the following steps: (1) pouring cultured a saccharomycetes liquid into the filter membranes which intercept the saccharomycetes in the filter membranes; (2) entering to-be-treated phosphorus wastewater flowing from the water inlet pipe into the filter membranes in the reactor, and air is introduced from the gas inlet pipe and the aerating disc, so that aerobic reaction is carried out on the saccharomycetes, the reaction time is 4-12 hours, and treated wastewater is discharged outside the reactor (3). The device is fewer in occupied area, easy to maintain and manage, simple and convenient to operate and low in cost, and the treatment time can be controlled according to TP (Total Phosphorus) condition of wastewater, so that the TP removal rate in treated wastewater can reach 80%.

Description

technical field [0001] The invention relates to a phosphorus removal device, in particular to an intramembrane yeast phosphorus removal device and a method for treating phosphorus-containing wastewater by using the device, belonging to the technical field of environmental protection equipment. Background technique [0002] Phosphorus is one of the main substances that cause eutrophication of water bodies. With the development and utilization of environmental resources by humans, a large amount of phosphorus-containing sewage is discharged into rivers and lakes, which intensifies the eutrophication of water bodies. Due to the phosphorus nutrients in water bodies The enrichment of algae and other plankton causes the rapid reproduction of algae and other plankton, which reduces the dissolved oxygen content of the water body, resulting in the decline or even extinction of algae, plankton, plants, aquatic organisms and fish pollution. At present, the biological treatment of phosp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/34C02F3/02
CPCY02W10/15Y02W10/10
Inventor 黄塔宋晨孙义新
Owner JIANGSU GRANDCHEM IND