JPH10290979A - Sewage purifying method and device therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To decrease the frequency of removing the contaminant depositing on activated carbon by exposing the sewage to magnetism to micronize the combined water molecules in the sewage and then removing the contaminant by the use of activated carbon. SOLUTION: The circulating pump 4 of this sewage purifier connecting a storage tank 1 and an activated carbon tank 3 is passed through a magnetism exposer 2 provided with a magnetic force-emitting magnet, and the activated carbon tank 3 is connected to the storage tank 1 through the circulating pipe 4. The circulating pipe 4 is collapsed flat in the exposer 2, the sewage flowing in the pipe 4 is more efficiently exposed to magnetism, hence the molecules are dissociated and micronized, and the moisture is easily passed through the micropore of the activated carbon. As a result, even if the contaminant is accumulated in the micropore of the activated carbon, only the moisture is easily passed through the activated carbon. The sewage is repeatedly passed through the exposer 2 from the storage tank 1, circulated from the activated carbon tank 3 to the storage tank 1 and purified.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for purifying sewage such as night soil and making it reusable. More specifically, the present invention relates to a method for purifying human waste excreted in flush toilets and livestock human excrement and the like so as to be reusable as water in flush toilets.

[0002]

2. Description of the Related Art One of the methods for treating wastewater such as human waste is a method using activated carbon. Activated carbon is a carbon material that has a large number of micropores and a large surface area. Therefore, by allowing the sewage to pass through the activated carbon tank, the pollutants in the sewage can be adsorbed with these fine pores and surface area.

[0003]

Activated carbon is one of the pollutants contained in sewage water, and contains BOD (Biochemical Oxygen Demand) and COD.
(Chemical oxygen demand), excellent in removing pigments and odor components. When such a pollutant component is adsorbed, the activated carbon is clogged with micropores, and the function of removing the pollutant component is reduced. Therefore, heat treatment and chemical treatment are applied to the clogged activated carbon,
It is common practice to remove pollutants and recycle. However, when heat treatment or chemical treatment is performed, equipment for the heat treatment or chemical treatment is also required, and the general distribution is lacking from the viewpoint of the increase in the size of the equipment and economy. Therefore, the present invention provides a sewage purification method and a sewage purification apparatus that require a small number of times of removing the pollutant component attached to the activated carbon while using the activated carbon, and furthermore, the pollutant component attached to the activated carbon by a simple method. It is an object of the present invention to provide a sewage purification method and a sewage purification device that can be removed from the wastewater.

[0004]

Means for Solving the Problems In order to solve the above-mentioned problems, the method for purifying sewage according to the present invention employs a method in which sewage is first exposed to strong magnetism and then purified with activated carbon. Exposure to strong magnetism breaks the bonds between the water molecules and breaks them down, making it easier for water to pass through the micropores of the activated carbon. This makes it possible to provide a sewage purification method in which only water can easily pass through the activated carbon even if the polluted components are accumulated in the micropores of the activated carbon, and the number of times of removing the polluted components attached to the activated carbon is reduced. It becomes.

Further, as means for removing the polluted components clogged with the activated carbon, means for removing the polluted components using air pressure is employed. This makes it possible to remove the polluting components attached to the activated carbon by a simple method.

[0006] Further, the air pressure promotes the biological treatment of the pollutant components by bacteria, so that the decomposition and removal of the pollutant components become more efficient.

In the sewage purification apparatus according to the present invention, the principle of the sewage purification method according to the present invention is adopted. That is, the sewage is exposed to magnetism by an exposure device, and then the sewage is purified in an activated carbon tank. In addition, by sending air into the activated carbon tank, the polluted components attached to the activated carbon are removed, and the biological treatment of the polluted components by bacteria is promoted.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram showing one embodiment of a sewage purification apparatus according to the present invention. The sewage purification device is composed of a storage tank (1), a magnetizing device (2), an activated carbon tank (3), a circulation pipe (4), and a pump (5). Sewage is sent to the storage tank (1) from a sewage sending pipe (6). The storage tank (1) and the activated carbon tank (3) are connected by a circulation pipe (4), and a pump (5) is interposed on the way. The pump (5) sends the wastewater in the storage tank (1) to the activated carbon tank (3).

[0009] A circulation pipe (4) connecting the storage tank (1) and the activated carbon tank (3) passes through the exposing device (2) on the way. In this exposure device (2), the circulation pipe (4) is crushed into a flat shape. Thereby, the sewage flowing in the circulation pipe (4) is more efficiently exposed to magnetism. 6000 in the magnetic exposure device (2)
It is equipped with a magnet that produces a magnetic force of ~ 9000 Gauss.

[0010] Further, the activated carbon tank (3) and the storage tank (1) are also connected by a circulation pipe (4), and sewage passing through the activated carbon tank (3) is sent to the storage tank (1).

By repeating the above-described circulation process from the storage tank (1) to the activated carbon tank (3), passing through the magnetizing device (2), and further from the activated carbon tank (3) to the storage tank (1). The sewage is purified.

Further, an air sending pipe (7) is attached to the activated carbon tank (3) in order to remove polluting components attached to the activated carbon. Activated carbon tank (3) from this air sending pipe (7)
Then, pressurized air is sent to remove contaminants adhering to the activated carbon by bubbles generated by the air.

[0013]

Table 1 shows the results of water quality inspection of sewage purified by the sewage purification method according to the present invention.

The processing efficiency is 95.4% in BOD, CODM
n: 91.9%, SS: 94.6%, E. coli: 9
It was 4.0%.

[0015]

According to the present invention having the above-described structure, the method and apparatus for purifying sewage and the apparatus for purifying sewage require only a small number of times of removing pollutants adhering to activated carbon while using activated carbon. It is possible to provide a sewage purification method and a sewage purification apparatus capable of removing a pollutant component attached to activated carbon by a simple method.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a sewage purification device according to the present invention.

[Explanation of symbols]

 1. Storage tank 2. Magnetizing device 3. Activated carbon tank 4. Circulation pipe 5. Pump 6. Sewage delivery pipe 7. Air delivery pipe

Claims (4)

[Claims] 1. A sewage purification method comprising exposing sewage to magnetism to fragment bound water molecules in the sewage and then removing pollutants in the sewage using activated carbon. 2. The method according to claim 1, wherein air pollution is used to remove pollutants adhering to the activated carbon and to promote biological treatment of the pollutants by bacteria. 3. A sewage purifying apparatus comprising a storage tank (1) for storing sewage, a magnetizing device (2), an activated carbon tank (3), a circulation pipe (4) and a pump (5). 4. Sewage according to claim 3, characterized in that the activated carbon tank (3) is provided with a device for sending air pressure for removing the pollutants and for promoting the biological treatment of the pollutants by bacteria. Purification device.