WO2015102154A1 - Appareil de purification d'eau polluée - Google Patents

Appareil de purification d'eau polluée Download PDF

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Publication number
WO2015102154A1
WO2015102154A1 PCT/KR2014/001815 KR2014001815W WO2015102154A1 WO 2015102154 A1 WO2015102154 A1 WO 2015102154A1 KR 2014001815 W KR2014001815 W KR 2014001815W WO 2015102154 A1 WO2015102154 A1 WO 2015102154A1
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WO
WIPO (PCT)
Prior art keywords
additive
polluted water
contaminated water
water
unit
Prior art date
Application number
PCT/KR2014/001815
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English (en)
Korean (ko)
Inventor
김열연
Original Assignee
주식회사 엠티씨엔씨
김열연
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 엠티씨엔씨, 김열연 filed Critical 주식회사 엠티씨엔씨
Publication of WO2015102154A1 publication Critical patent/WO2015102154A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Definitions

  • the present invention relates to a contaminated water purifying apparatus, and more particularly, to a contaminated water purifying apparatus capable of effectively purifying contaminated water including organic matter using a condensate extracted from food waste desorbing liquid through a two-step flocculation reaction. It is about.
  • contaminated water containing organic matter such as green algae or red tide blocks the sunlight in the water and reduces the amount of dissolved oxygen, thereby reducing the survival rate of the aquatic organisms and destroying the water state system.
  • green algae refers to a phenomenon in which phytoplankton green algae increase and change the water color to green in eutrophic lakes or slow-flowing streams.
  • the amount of dissolved oxygen in the water is reduced without being introduced into the furnace. This causes fish and aquatic life to die and stink, destroying the ecosystems of the waters and creating many social, economic and environmental problems.
  • the nutrients Once the nutrients have been introduced into the water, they will remain in the aquatic ecosystem unless they are removed, so the green algae will be repeated. To prevent the algae, the algae must be absorbed or removed.
  • red tide is a phenomenon in which plankton multiplies suddenly and changes the color of the sea, rivers, canals and lakes.
  • red tide is called red tide because water often changes red, but the color that actually changes is the cause. It depends on the color of plankton it becomes.
  • Phytoplankton such as diatom and dinoflagellate, are the most common causes of red tide, and red tide is also caused by cyanobacteria and protozoa noctiluca and mesodinium. The biggest cause of red tide is the eutrophication of water, as in South Korea, when there is too much organic nutrients in the water.
  • Korean Laid-Open Patent No. 1020110030838 is a method of removing green algae or red algae through spraying ocher, and more specifically, by spraying ocher in green algae or red tide-producing waters, the green algae or red algae organisms and loess are coagulated and then precipitated into water. And incidentally, the present invention relates to a method of improving water quality by destroying cells of green algae and red tide organisms by aluminum components in loess.
  • the aggregation reaction can be carried out effectively, but serious problems that cause various diseases (for example, Alzheimer's, etc.) can occur as a harmful component to the human body.
  • a metal oxide for example, aluminum sulfate, etc.
  • the present invention has been made in order to solve the above-described problems, by injecting a first additive made of an aqueous solution of a metal hydroxide in the contaminated water to agglomerate the organic matter contained in the contaminated water first, and aggregate the first aggregate and By using the desorbent condensate extracted from the food waste desorbent in the process of adding the second additive to settle as the second additive, a contaminant purification device capable of treating contaminated water harmless to human body through the desorbent condensate which is a natural substance To provide.
  • the present invention utilizes a valuable food waste stripping solution in the contaminated water purification method, it is possible to utilize the waste causing serious environmental pollution as a valuable industrial resources, and at the same time can be carried out economically contaminated water purification process It is intended to provide a purification device.
  • the present invention by uniformly mixing the organic matter contained in the contaminated water before the first and second flocculation step to increase the reaction area between the first and second additives and the organic material, it is possible to effectively increase the contaminated water purification rate To provide a contaminated water purification device.
  • a first injection unit for injecting a first additive made of an aqueous solution of a metal hydroxide having a hydroxyl group (OH) in the contaminated water to agglomerate organic matter contained in the contaminated water first;
  • a second injection unit for injecting a second additive including condensate from the food waste desorbent extracted from the food waste desorbent to the contaminated water after the completion of the first agglomeration to secondary aggregate and precipitate the primary aggregate.
  • the metal hydroxide may include at least one of sodium hydroxide (NaOH) and potassium hydroxide (KOH).
  • the first additive may be made of a saturated aqueous solution of the metal hydroxide.
  • the second additive may further include a metal oxide.
  • the metal oxide is aluminum sulfate [Al 2 (SO 4) 3], aluminum chloride (AlCl 3), ferrous sulfate (FeSO 4), ferric sulfate [Fe 2 (SO 4) 3], ferrous chloride (FeCl 2), And ferric chloride (FeCl 3).
  • a pH measuring unit for measuring the pH of the contaminated water
  • a control unit for controlling the first spraying unit to spray the first additive until the pH of the polluted water is adjusted to a range of 9 to 11 with reference to the measured pH of the polluted water.
  • the first waste additive of an aqueous solution of a metal hydroxide is added to the contaminated water to aggregate the organic matter contained in the contaminated water first, and the food waste in the process of adding the second additive to agglomerate and precipitate the first aggregate.
  • the present invention utilizes a valuable food waste stripping solution in the contaminated water purification method, it is possible to utilize the waste causing serious environmental pollution as a valuable industrial resources, and at the same time can be carried out economically contaminated water purification process
  • a purification device can be provided.
  • the present invention by uniformly mixing the organic matter contained in the contaminated water before the first and second flocculation step to increase the reaction area between the first and second additives and the organic material, it is possible to effectively increase the contaminated water purification rate
  • a contaminated water purification device can be provided.
  • Figure 3 is a photograph showing the result of the secondary aggregation and sedimentation by adding a second additive to the contaminated water after the first aggregation of Figure 1 terminated.
  • the polluted water purification apparatus 100 is mounted to a main body, a main body, and a first injection unit 10 for injecting a first additive into contaminated water, and a main body sprayed with a second additive to contaminated water. It includes a second injection unit 20 to.
  • FIG. 2 is a photograph showing the result when primary agglomerates by adding a first additive to contaminated water in which a predetermined green alga is suspended.
  • FIG. 2 As shown in FIG. 2, the green algae suspended in the contaminated water by the first agglomeration are mostly agglomerated and changed into aggregates having a large volume.
  • the condensate of the desorption liquid according to the present invention has an advantage in that it is also possible to solve the problem of the disposal of food waste, which has recently emerged as a social problem because it is extracted from the food waste desorbing liquid.
  • the algae remover is used in the form of a composition of a uniform mixture of materials effective for flocculation or precipitation.
  • the second additive is formed separately from the first additive, and the second additive is formed by the first additive. After termination is added to the contaminated water to perform the function of inducing secondary flocculation and precipitation of flocculation. Since the second additive is formed in an aqueous solution like the first additive, the second additive may be uniformly sprayed onto the contaminated water.
  • the contaminated water is the main phase is liquid because the water occupies the main volume
  • the injected second additive is also a liquid phase, so the injected second additive changes the chemical state in the contaminated water within a short time, and the first aggregated green algae Rapidly secondary agglomeration to enhance aggregation and settle.
  • Figure 3 is a photograph showing the result of the secondary aggregation and sedimentation by adding a second additive to the contaminated water after the first aggregation of Figure 2 is terminated. As shown in FIG. 3, the aggregates are converted into agglomerates having a large volume by the first agglomeration but are still suspended in the contaminated water. Become.
  • the second additive may further include a predetermined metal oxide for faster precipitation.
  • the second additive is aluminum sulfate [Al 2 (SO 4) 3), aluminum chloride (AlCl 3), ferrous sulfate (FeSO 4), ferric sulfate [Fe 2 (SO 4) 3], ferrous chloride (FeCl 2), or chloride
  • Ferric chloride (FeCl2) or ferric chloride (FeCl3) can be prepared in aqueous phase with high concentration because of its high solubility at room temperature.
  • the contaminated water in which the algae are generated may be acidified due to the generation of nitrogen oxides or phosphates and the decrease of dissolved oxygen, and usually has a pH of 6-7.
  • the contaminated water purification apparatus 100 may further include a mixing unit 30 mounted on the main body to mix contaminated water.
  • the mixing unit 30 is driven before the first injection unit 10 injects the first additive into the contaminated water to perform a function of mixing the contaminated water.
  • the mixing unit 30 is driven, the green algae contained in the contaminated water are randomly dispersed to improve the reaction area with the first additive, thereby improving the first aggregation rate and finally improving the purification rate of the contaminated water.
  • the mixing unit 30 may be applied without limitation as long as it is a device capable of mixing contaminated water, such as a rotating brush, a rotating screw, and an air pump.
  • the mixing unit 30 when the mixing unit 30 is a rotating brush, the contaminated water is mixed by the rotation of the rotating brush immersed in the contaminated water.
  • the mixing unit 30 when the mixing unit 30 is an air pump, the mixing unit 30 injects air into the contaminated water to induce contaminated water to be mixed.
  • the polluted water purification apparatus 100 drives the second injection unit 20 to inject the second additive into the region where the first aggregation is completed.
  • the contaminated water purification apparatus 100 may be installed in a waste water treatment plant of a factory to perform a function of purifying contaminated water.
  • 100 mL of the contaminated water sample (raw water) was added to 100 mL of the first additive prepared in Example to aggregate first. After the completion of the primary aggregation, 100 mL of the second additive prepared in Example was added to induce secondary aggregation and precipitation.
  • the method for purifying contaminated water using the food waste leachate according to the present invention is contaminated by condensing and sedimenting organic substances at a similar rate as compared with the comparative example using aluminum sulfate, which is a metal oxide, as a second additive. It can be seen that the water can be purified. That is, the present invention by using the aqueous solution of the desorption solution, which is a natural material in place of the metal oxide harmful to the human body, can exhibit the same purification rate as the metal oxide and at the same time provide an effective method for purifying contaminated water harmless to the human body.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

Cette invention concerne un appareil de purification d'eau polluée. Cet appareil de purification d'eau polluée, selon la présente invention, comprend : une première unité d'injection pour injecter, dans l'eau polluée, un premier additif comprenant une solution aqueuse d'un hydroxyde métallique possédant un groupe hydroxyle (OH) afin d'effectuer une première coagulation de la substance organique incluse dans l'eau polluée ; et une seconde unité d'injection pour injecter, dans l'eau polluée, un second additif comprenant une solution condensée de liquide séparé extraite du liquide séparé de résidus alimentaires, afin d'effectuer une seconde coagulation de la substance ayant subi une première coagulation et de faire décanter cette dernière, après la première coagulation La présente invention permet de produire un appareil de purification d'eau polluée pouvant effectuer un traitement de l'eau polluée qui n'est pas nocif au corps humain en utilisant la solution condensé de liquide séparé, qui est une substance naturelle, et ce, en effectuant une première coagulation de la substance organique incluse dans l'eau polluée en ajoutant, à l'eau polluée, le premier additif comprenant la solution aqueuse d'hydroxyde métallique, et en utilisant la solution condensée de liquide séparé extraite du liquide séparé des résidus alimentaires dans l'étape où l'on ajoute le second additif afin de faire coaguler la substance ayant subi une première coagulation et la faire décanter.
PCT/KR2014/001815 2014-01-02 2014-03-05 Appareil de purification d'eau polluée WO2015102154A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0000099 2014-01-02
KR1020140000099A KR20150080699A (ko) 2014-01-02 2014-01-02 오염수 정화 장치

Publications (1)

Publication Number Publication Date
WO2015102154A1 true WO2015102154A1 (fr) 2015-07-09

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040002831A (ko) * 2003-06-11 2004-01-07 홍성수 고농도 유기물을 함유한 폐수 처리 방법 및 장치
KR20040072385A (ko) * 2003-02-12 2004-08-18 삼원바이오(주) 유기성폐기물 유래의 유기산 함유 응축수 및 이의 이용방법
KR20070047731A (ko) * 2006-11-30 2007-05-07 수도권매립지관리공사 생활쓰레기 매립지 침출수와 음식물류폐기물 탈리액의 병합정화처리방법
KR20110020562A (ko) * 2009-08-24 2011-03-03 나민수 음식물 쓰레기를 이용한 탈리액의 제조방법
KR20110030838A (ko) * 2009-09-18 2011-03-24 김열연 녹조 또는 적조 제거 키트 및 이를 이용한 녹조 또는 적조 제거 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040072385A (ko) * 2003-02-12 2004-08-18 삼원바이오(주) 유기성폐기물 유래의 유기산 함유 응축수 및 이의 이용방법
KR20040002831A (ko) * 2003-06-11 2004-01-07 홍성수 고농도 유기물을 함유한 폐수 처리 방법 및 장치
KR20070047731A (ko) * 2006-11-30 2007-05-07 수도권매립지관리공사 생활쓰레기 매립지 침출수와 음식물류폐기물 탈리액의 병합정화처리방법
KR20110020562A (ko) * 2009-08-24 2011-03-03 나민수 음식물 쓰레기를 이용한 탈리액의 제조방법
KR20110030838A (ko) * 2009-09-18 2011-03-24 김열연 녹조 또는 적조 제거 키트 및 이를 이용한 녹조 또는 적조 제거 방법

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