Thin and seawater biocomposite biodegradation sewage purification technology

Abstract

Most of the conventional final treatment plants for sewage and polluted water exist at a position in contact with the ocean and discharge the sewage and polluted water into the sea after treatment, and the principle of the treatment is bacterial decomposition, which is a method using biodegradation by freshwater microorganisms. Although the contents of Escherichia coli and chemical substances are prescribed as numerical values by law, they are far from perfect including human errors. In recent years, the global environment has been emphasized, and marine pollution is an essential problem imposed on mankind.SOLUTION: To construct a technique for improving a final treatment plant of sewage or waste water in consideration of the environment, to verify the conventional biological decomposition theory of only bacteria, and to enable safe marine discharge by a technique requiring complete treatment in a land facility. To provide a technique and a means capable of greatly improving a complete decomposition treatment in which the natural environment of land and sea is built up by a land facility, by utilizing the ecology of organisms living in a fresh water area and a sea water area, providing a fresh water tank group and a sea water tank group, allowing a bacteria group and small organisms to coexist, utilizing the respective biological characteristics, and aiming at the advancement and completion of the present biodegradation.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] This invention is basically related to methods and equipment for purifying sewage, and is primarily a technology for improving the biodegradation capacity of terminal sewage treatment plants. It is not limited to the current method of simple bacterial decomposition, but relates to a sewage purification technology and purification equipment system and structure that enables complete treatment by utilizing the food chain of freshwater and marine organisms through the symbiosis of microorganisms and small organisms to achieve complex decomposition. [Background technology]

[0002] Conventional sewage treatment plants use aeration, stirring, sedimentation, filtration, etc., but the treatment capacity is low, and when the expected standard intake volume is exceeded, wastewater is discharged into rivers and especially the ocean because the discharge concentration is below the set limit. This simply assumes dilution in the ocean and decomposition by marine bacteria. This is a simplistic thinking that simply accepts appropriate numerical values ​​and ignores the completeness of the wastewater and sewage that is ultimately discharged into the ocean. Summary of the Invention [Problem to be solved by the invention]

[0003] The conventional method of treating sewage wastewater and the purification method at treatment plants was to release it into the natural environment through bacterial decomposition and sediment removal. Discharge standards have been established, but with the exception of testing for chemical toxins, they are merely arbitrary and convenient numbers chosen. In other words, the idea is that the wastewater will be diluted in the ocean. In modern times, when marine pollution has become a global issue, it can be said that the degree of perfection is low, but no improvements have been made. Measures to solve the problem

[0004] The invention of claim 1, which aims to solve this problem, is a technology that improves the unstable decomposition rate and incomplete decomposition degree caused by biodegradation of bacteria that simply live in freshwater within an aerobic device, and modifies the water to the state of fresh water or true seawater.It is deployed in multiple stages and allows symbiotic reproduction, and a highly efficient biodegradation and purification facility is constructed with multiple tanks and a biological arrangement that utilizes the characteristics of microorganisms and small organisms that feed on filth itself and bacteria, making use of the food chain.

[0005] The microorganisms and small creatures that are added to live in this septic tank other than bacteria are basically a combination of daphnia, threadworms, nematodes, shrimps, and small shrimps, but nematodes generally like to eat E. coli and putrefactive bacteria, so this characteristic is also utilized.

[0006] In order to allow the microorganisms and small organisms added to this septic tank to demonstrate their individual characteristics, and to basically separate freshwater and saltwater habitats, an outflow guard filter is installed at each stage, but many are adaptable and can survive in both freshwater and saltwater areas, so they are also suitable for the decomposition tank in the area that goes through the stages, and even if some of the freshwater organisms flow into the saltwater tank and die, they will become food for other organisms in the next tank.

[0007] The combined freshwater and saltwater organism decomposition and wastewater purification technology of claim 1 adjusts the amount of air mixed, light intensity, water temperature, etc. to improve the feeding ability of the organisms depending on the environment. The amount of air mixed is based on a waterwheel type, and an aeration compressor is installed. As most of the organisms used are aerated or semi-aerated, a mesh blackout curtain similar to that used in agricultural greenhouses is installed. Temperatures below 40°C, which is in the high heat range, are not a problem, but adjustment equipment is installed. The water discharged is tested for quality in the final tank, and any non-conforming conditions are reversed and reprocessed.

[0008] The invention of claim 2 is characterized by the fact that, in order to cultivate the small organisms used in claim 1, most of the wastewater (especially animal excrement) becomes direct food for various types of bacteria, daphnia, threadworms, and nematodes, and that the invention cultivates and utilizes shrimps and small shrimps that feed on daphnia, threadworms, and nematodes.The method of growing the shrimps is exactly like a food chain, and it is a breeding and reproduction technology that sets the main species to activate this chain.

[0009] The invention of claim 3 is a recovery (harvesting) technology for commercializing the grown and bred daphnia, threadworms, nematodes, and shrimps of the invention of claim 1 as secondary edible products by utilizing the resources, and by providing a dark shelter capture area that takes advantage of the dark movement characteristics of aphrodite or semi-aphrodite organisms.

[0010] The biodegradation technology of this invention significantly improves the treatment speed and large-volume treatment, which are the most important factors and can be said to be a groundbreaking improvement in performance compared to the incomplete treatment performance of current sewage and wastewater treatment facilities, and achieves a high degree of complete decomposition with almost no unpleasant odors.In addition, there is no need to build new facilities, and it can be done with just an addition to an existing facility, which also contributes to cost savings.Furthermore, it is possible to harvest the small organisms used and bred for biodegradation and commercialize them as feed for fish and livestock, or as human food, as a secondary industry. DETAILED DESCRIPTION OF THE INVENTION

[0011] Figure 1 is a plan view of the entire invention showing claim 1, which is based on an existing facility, and improvements to the existing facility require the addition of shading, filters, overflow equipment, etc.

[0012] Furthermore, the amount of coagulation and precipitating agent currently used is completely unnecessary, and the main reason is to keep the organisms that eat the bacteria alive, so there is no need to use the current disinfectants at any stage.

[0013] Tanks 1 to 4 should be filled with about 30 to 50 centimeters of paddy field soil and filled with about 1 to 2 meters of fresh water (this is optional, but allow for ample capacity for receiving and draining water during heavy rain).

[0014] Tanks 5 to 8 are filled with about 50 centimeters of sea sand, and the seawater and freshwater ratio is set to four equal levels of seawater concentration, ranging from about 10% seawater to 100% seawater, with the water depth set to about 2.5 meters.

[0015] The seawater distribution and injection system to be installed in this group of tanks will use small tanks and an automatic metering pump system, and will adjust the seawater ratio and add adapted water to each tank except for the initial operation.

[0016] The form of claim 1 of this invention is a combination of freshwater and seawater areas, which makes use of the decomposition characteristics and feeding habits of the microorganisms and small organisms that live in each area, creating a setting similar to that in nature and making it environmentally friendly.

[0017] In setting up the biota, bacteria and small organisms are all organisms that exist in nature, and the rice field soil laid in the freshwater area already contains a large amount of bacteria, daphnia, threadworms, freshwater shrimps, and Yamatonuma shrimp, as well as solids and eggs, which reproduce vigorously, but it is best to collect and capture them separately and replenish them.In the saltwater area, the sea sand also contains marine and amphibian microorganisms and various eggs, but just like in the freshwater tank, it is best to add separately collected shrimps and small shrimps, and iron slag discharged from steelworks, which is a waste product, is also added because it is useful to the organisms. [Industrial Applicability]

[0018] The technology we invented has the advantage that it can be easily implemented by setting up new facilities using a basic structure or by adding supplementary equipment to existing facilities.In particular, since public sewage treatment plants and final wastewater treatment plants are located adjacent to the ocean, we believe that it will be further developed as a technology that focuses on improving the integrity of land by allowing the use of seawater and marine life.

[0019] Current sewage and wastewater purification facilities utilize the decomposition action of bacteria through aeration, but the current state of microbial decomposition science is fixed and not developing with regard to the combination of microorganisms and small organisms that live in freshwater environments. While wastewater treatment plants exist as a behind-the-scenes presence for non-industrial purposes, we believe that releasing incompletely treated water into the ocean to dilute it and improving the current situation, which relies on marine bacteria, will contribute to society.

[0020] Discharging the waste into the ocean, which accelerates the decomposition rate and makes it similar to freshwater, is revolutionary, and utilizing the characteristics of small organisms opens up the future of waste disposal. While it is possible to commercialize these organisms, this is not the only way to do so, and it cannot be said that they can be used industrially. If companies and hotels were to have self-purification systems, it would be possible to build buildings adjacent to the sea, making it possible to utilize rich natural areas at low cost.

[0021] We believe that this invention will be a factor that will lead to the development of the fundamentals of purification processing, and we would like to establish the idea of ​​completing the process on land, which utilizes the food chain, a natural ecology, as a technology that contributes to society.

[0022] Nematodes were also selected as one of the organisms to be utilized in this invention. Many species of nematodes prefer E. coli and are eaten in large quantities. Nematodes, including aquatic leeches and anisakids, are also members of the nematode family. No matter where a nematode is cut, it will regenerate and instantly become a single solid. Many researchers have yet to fully understand the mechanism behind this. While industrial applications can contribute to medicine and ecology, providing solid research materials free of charge cannot be considered industrial use.

[0023] However, daphnia, marsh shrimp, shrimp, and small shrimp can be commercialized and used as feed for ornamental fish and livestock. Because they are generated in sewage treatment plants, they are not suitable for human consumption, but in reality, human and livestock feces are directly added as a nutrient source to the shrimp ponds where Japan imports black tiger shrimp from Southeast Asia. This is something that ordinary Japanese people do not know about. [Brief explanation of the drawings]

[0024] [Figure 1] This is a plan view of the basic equipment of claim 1. [Figure 2] 2 is a cross-sectional view AA of a single tank of the basic equipment of claim 1. [Explanation of symbols] 1 Tank 1 to Tank 4 (freshwater decomposition tank) 11 Pipe (from freshwater tank to seawater tank) 2 Tanks 5 to 8 (seawater digestion tank) 12 Organism harvesting hatch 3 Sewage wastewater inlet 13 Fresh water or conditioned seawater 4 Seawater replenishment system tank 14 Soil or sea sand 5. Waterwheel-type dissolved oxygen injection equipment 6 Compressor type aeration 7. Outlet to the ocean 8. Light-adjusting exterior panels (opening roof, light-adjusting curtain) 9. Dark variable panel (with a hatch for harvesting useful organisms) 10-stage tank feed partition (simple filter system)

Claims

1. Basic structure of the small organism food chain decomposition technology and facilities at wastewater treatment plants.

2. A technique for growing and propagating the small organisms of claim 1.

3. The small organism harvesting technique and commercial use of claim 2.

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