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Waste water treatment system by superconductive magnetic separation

A wastewater treatment system and superconducting magnetic technology, applied in the fields of magnetic separation, magnetic field/electric field water/sewage treatment, water/sewage treatment, etc., can solve problems such as discharge restrictions, achieve high-speed advanced treatment, high efficiency, and simple operation Effect

Inactive Publication Date: 2005-11-16
NIKI GLASS +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Likewise, not only for the COD index, but also for the BOD (Biological Oxygen Demand) and TOC (Total Organic Carbon) indices, from an environmental point of view, the discharge of reagents that cause these indices to rise should be limited

Method used

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  • Waste water treatment system by superconductive magnetic separation
  • Waste water treatment system by superconductive magnetic separation
  • Waste water treatment system by superconductive magnetic separation

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Experimental program
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Embodiment approach

[0048] Embodiments of the present invention are described below with reference to the accompanying drawings.

[0049] Fig. 1 is a schematic diagram of an embodiment of the wastewater treatment system of the present invention. First, waste water 1 discharged from a factory or the like flows into the magnetizing (or magnetizing or magnetic seeding) device 2 through the filter 6 . In the magnetizing device 2, magnetism is applied to substances such as dyes, pigments, organic substances contained in adhesives, etc. (i.e., substances to be separated), which bind these substances to waste water by adsorption during stirring. Magnetic adsorbent 5 is realized. Alternatively, in the magnetizing device 2, the adsorbent 5 can be replaced by a colloidal chemical magnetic seeding method or a mechanochemical magnetic seeding method, and the magnetism can be directly applied or seeded on the substance.

[0050] Wastewater to be separated containing magnetized or magnetic seeded substances ...

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Abstract

An object of the invention is to provide a wastewater treatment system using a superconducting magnetic separator that can wash the magnetic filter efficiently. The system comprises in a bore of a superconducting magnet a removably built-up multiunit magnetic filter consisting of a plurality of single-unit magnetic filters. The multiunit magnetic filter has a total longitudinal length at least equal or greater than that of the superconducting magnet. During excitation of the superconducting magnet, a single-unit magnetic filter is removed from the upstream side (sewage side) of the multiunit magnetic filter by pushing in another single-unit magnetic filter from the downstream side (clean water side), and washed and returned to the downstream side again.

Description

field of invention [0001] The invention relates to a waste water treatment system using superconducting magnetic separation technology, in particular to a waste water treating system using a magnetite type superconducting magnetic separator to purify waste water. [0002] The term "wastewater treatment" as used herein also includes advanced purification treatment in water purification plants, as well as advanced purification treatment of groundwater, river water, sea water, and the like. The term "wastewater" used here refers not only to waste water or discharge water from various factories, experimental facilities, laboratories, school factories, household facilities, etc., but also to groundwater, river water, seawater, and water purification plants or sewage treatment plants, etc. Treated water, which broadly refers to "water containing substances to be separated". Background technique [0003] From the viewpoint of environmental protection and resource recycling, wastew...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/0355C02F1/28C02F1/48
CPCC02F1/488C02F1/281B03C1/0355C02F1/283B03C1/02C02F1/48
Inventor 仁木丈文野田泰广福西达男
Owner NIKI GLASS
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