KR960037582A - Thermal oxidation treatment method of wastewater and its apparatus - Google Patents

Thermal oxidation treatment method of wastewater and its apparatus Download PDF

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Publication number
KR960037582A
KR960037582A KR1019950016794A KR19950016794A KR960037582A KR 960037582 A KR960037582 A KR 960037582A KR 1019950016794 A KR1019950016794 A KR 1019950016794A KR 19950016794 A KR19950016794 A KR 19950016794A KR 960037582 A KR960037582 A KR 960037582A
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South Korea
Prior art keywords
waste water
vacuum reaction
oxidant
oxidation treatment
wastewater
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KR1019950016794A
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Korean (ko)
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KR0151355B1 (en
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안태영
안경수
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안태영
안경수
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Priority to KR1019950016794A priority Critical patent/KR0151355B1/en
Priority to GB9612871A priority patent/GB2302328B/en
Priority to CN96107121A priority patent/CN1150126A/en
Publication of KR960037582A publication Critical patent/KR960037582A/en
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Publication of KR0151355B1 publication Critical patent/KR0151355B1/en

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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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • 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
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/025—Thermal hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • C02F2001/007—Processes including a sedimentation step

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

본 발명은 오·폐수의 열산화처리방법 및 그 장치에 관한 것으로, 좀 더 구체적으로는 오·폐수를 저류조에 집수하여 침전처리시키는 단계; 상기 저류조에서 공급되는 오·폐수에 제1산화제 400∼2000㎎/ℓ를 혼합하여 40∼90℃로 유지되는 제1진공반응탱크에 유입시킨후, 교반하면서 15∼45분동안 진공반응시키는 단계; 상기 오·폐수에 중금속이 함유된 경우, 선택적으로 상기 제1산화제 400∼2000㎎/ℓ에 중금속 처리제 10∼100㎎/ℓ를 혼합시키는 단계; 선택적으로 상기 제1진공반응탱크에서 공급되는 오·폐수에 제2산화제 400∼2000㎎/ℓ를 혼합하여 40∼90℃로 유지되는 제2진공반응탱크에 유입시킨 후, 교반하면서 15∼45분동안 진공반응시키는 단계; 및 상기 진공반응 처리된 오·폐수를 여과시키는 단계를 포함하는 오·폐수의 열산화처리방법 및 상기 방법에 적절한 장치에 관한 것이다. 상기 방법 및 장치를 이용하면, 오·폐수를 경제적 및 효율적으로 처리하여 방출되는 오·폐수의 재사용이 가능케하고, 수질의 오염을 방지하여 자연을 보호할 수 있는 효과가 있는 것이다.The present invention relates to a method for thermal oxidation treatment of wastewater and its apparatus, and more particularly, to collect and sewage wastewater into a storage tank for precipitation treatment; Mixing 400-2000 mg / l of the first oxidant into the waste water supplied from the storage tank and introducing the first oxidant into a first vacuum reaction tank maintained at 40-90 ° C., followed by vacuum reaction for 15 to 45 minutes with stirring; When the waste water contains heavy metals, optionally mixing 10 to 100 mg / l of the heavy metal treatment agent with 400 to 2000 mg / l of the first oxidant; Optionally, 400-2000 mg / l of the second oxidant is mixed with the waste water supplied from the first vacuum reaction tank, introduced into the second vacuum reaction tank maintained at 40-90 ° C., and then stirred for 15 to 45 minutes. Vacuuming during; And it relates to a method for thermal oxidation treatment of the waste water and the apparatus suitable for the method comprising the step of filtering the waste water subjected to the vacuum reaction treatment. By using the method and apparatus, it is possible to reuse the wastewater discharged by treating the wastewater economically and efficiently, and to protect nature by preventing pollution of water quality.

Description

오·폐수의 열산화처리방법 및 그 장치Thermal oxidation treatment method of wastewater and its apparatus

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도의 (가) 및 (나)는 종래의 오·폐수 처리방법에 따른 개략적인 공정도이고, 제2도는 본 발명의 오·폐수 처리방법에 따른 개략적인 공정도이며, 제3도는 본 발명의 방법에 따른 진공반응탱크의 개략적인 단면도이고, 제4도는 제3도의 A-A선에 따라 절단된 단면을 개략적으로 도시한 도면이다.(A) and (b) of FIG. 1 are schematic process charts according to the conventional wastewater treatment method, FIG. 2 is a schematic process chart according to the wastewater treatment method of the present invention, and FIG. 3 is a method of the present invention. Figure 4 is a schematic cross-sectional view of the vacuum reaction tank according to Figure 4 is a schematic view showing a cross section taken along the line AA of FIG.

Claims (8)

화학적 및 산화처리에 의한 모든 수처리방법에 있어서, 오·폐수를 저류조에 지비수하여 침전처리시키는 단계; 상기 저류조에서 공급되는 오·폐수에 제1산화제 100∼5000㎎/ℓ를 혼합하여 40∼90℃로 유지되는 제1진공반응탱크에 유지시킨후, 교반하면서 15∼45분 동안 진공반응시키는 단계; 상기 오·폐수에 중금속이 함유된 경우, 선택적으로 상기 제1산화제 100∼5000㎎/ℓ에 중금속 처리제 10∼100㎎/ℓ를 혼합시키는 단계; 선택적으로, 상기 제1진공반응탱크에서 공급되는 오·폐수에 제2산화제 100∼5000㎎/ℓ를 혼합하여 40∼90℃로 유지되는 제2진공반응탱크에 유입시킨 후, 교반하면서 15∼45분동안 진공반응시키는 단계; 및 상기 진공반응 처리된 오·폐수를 여과시키는 단계를 포함하는 것을 특징으로 하는 오·폐수의 열산화처리방법.A method of treating water by chemical and oxidation treatment, the method comprising: sedimentation of sewage and sewage in a storage tank; Mixing 100 to 5000 mg / l of the first oxidant to the waste water supplied from the storage tank and maintaining the mixture in a first vacuum reaction tank maintained at 40 to 90 ° C., followed by vacuum reaction for 15 to 45 minutes while stirring; Optionally, when heavy metal is contained in the waste water, optionally mixing 10 to 100 mg / L of the heavy metal treatment agent with 100 to 5000 mg / L of the first oxidizing agent; Optionally, 100-5000 mg / l of the second oxidant is mixed with the waste water supplied from the first vacuum reaction tank and introduced into the second vacuum reaction tank maintained at 40-90 ° C., and then 15-45 with stirring. Vacuum reaction for minutes; And filtration of the wastewater subjected to the vacuum reaction treatment. 제1항에 있어서, 상기 제1산화제가 H2O2, MnO2, NHO3및 KMnO4로 이루어진 군으로부터 하나 또는 그 이상 선택됨을 특징으로 하는 오·폐수의 열산화처리방법.The method of thermally treating wastewater according to claim 1, wherein the first oxidant is selected from the group consisting of H 2 O 2 , MnO 2 , NHO 3 and KMnO 4 . 제1항 또는 제2항에 있어서, 상기 제1산화제가 물 1L에 대하여 10∼40㎎ H2O2및 4,000∼80,000㎎ KMnO4로 이루어짐을 특징으로 하는 오·폐수의 열산화처리방법.The thermal oxidation treatment method of wastewater according to claim 1 or 2, wherein the first oxidizing agent consists of 10-40 mg H 2 O 2 and 4,000-80,000 mg KMnO 4 with respect to 1 L of water. 제1항에 있어서, 상기 제2산화제가 NaC1O3, KMnO4, NaOCl, KCr2O7, KNO3, NaNO3, K2S2O8및 H2SO4로 이루어진 군으로부터 하나 또는 그 이상 선택됨을 특징으로 하는 오·폐수의 열산화처리방법.The method of claim 1, wherein the second oxidant is selected from the group consisting of NaC1O 3 , KMnO 4 , NaOCl, KCr 2 O 7 , KNO 3 , NaNO 3 , K 2 S 2 O 8 and H 2 SO 4 Thermal oxidation treatment method of waste water, characterized in that. 제1항 또는 제4항에 있어서, 상기 제2산화제가 물 1L에 대하여 4,000∼80,000㎎의 KMnO4, 1,000∼30,000㎎의 K2S2O8및 70∼150㎎의 H2SO4로 이루어짐을 특징으로 하는 오·폐수의 열산화처리방법.The method according to claim 1 or 4, wherein the second oxidizing agent is composed of 4,000 to 80,000 mg of KMnO 4 , 1,000 to 30,000 mg of K 2 S 2 O 8 and 70 to 150 mg of H 2 SO 4 based on 1 L of water. Thermal oxidation treatment method of waste water, characterized in that. 제1항 또는 제4항에 있어서, 상기 제2산화제가 물 1L에 대하여 4,000∼80,000㎎의 KMnO4, 1,000∼2,000㎎의 NaOCl 및 1,000∼3,000㎎의 K2S2O8로 이루어짐을 특징으로 하는 오·폐수의 열산화처리방법.The method according to claim 1 or 4, characterized in that the second oxidant consists of 4,000-80,000 mg of KMnO 4 , 1,000-2,000 mg of NaOCl and 1,000-3,000 mg of K 2 S 2 O 8 with respect to 1 L of water. Thermal oxidation treatment method of wastewater 제1항에 있어서, 상기 방법이 상기 여과단계 이후에 활성탄 여과단계 및 이온교환수지 처리단계를 더욱 포함하는 것을 특징으로 하는 오·폐수의 열산화처리방법.The thermal oxidation treatment method of waste water according to claim 1, wherein the method further comprises an activated carbon filtration step and an ion exchange resin treatment step after the filtration step. 밀폐된 원통형 구조물의 일측면에 주입구 및 상대 측면에 배출구가 형성되어 오·폐수가 이동하며, 상기 주입구와 배출구의 입출구에 하부가 개방된 반원형의 칸막이가 설치되어 상기 오·폐수의 체류시간을 일정하게 유지시키고, 상기 구조물의 내부중앙에 교반기가 설치되어 있으며, 외부에는 단열재가 피복되어 있고, 외면 상부 일측면에 압력게이지와 가스배출 밸브가 형성되어 가스의 포화발생시에는 가스배출관을 통하여 저류조로 이송되거나 유입관으로 유입되며, 상기 구조물의 내부에 열을 가할 수 있는 가열수단이 상기 구조물과 병행 설치됨을 특징으로 하는 오·폐수의 열산화처리장치.The discharge port is formed on one side of the sealed cylindrical structure and the discharge port is formed on the opposite side, and the waste water is moved, and the semi-circular partition with the lower part is installed at the inlet and outlet of the injection hole and the discharge port so that the residence time of the waste water is fixed. It is maintained at the inside of the structure, the agitator is installed in the inner center of the structure, the outer surface is coated with a heat insulating material, the pressure gauge and gas discharge valve is formed on one side of the upper surface of the outer surface when the saturation of gas is transferred to the storage tank through the gas discharge pipe Or introduced into the inlet pipe, and a heating means capable of applying heat to the inside of the structure is installed in parallel with the structure. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950016794A 1995-06-21 1995-06-21 Apparatus and method for the treatment of waste water KR0151355B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019950016794A KR0151355B1 (en) 1995-06-21 1995-06-21 Apparatus and method for the treatment of waste water
GB9612871A GB2302328B (en) 1995-06-21 1996-06-19 Method of and system for disposing sewage and waste water through thermal oxidation
CN96107121A CN1150126A (en) 1995-06-21 1996-06-21 Method of and system for disposing sewage and waste water through thermal oxidation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950016794A KR0151355B1 (en) 1995-06-21 1995-06-21 Apparatus and method for the treatment of waste water

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KR960037582A true KR960037582A (en) 1996-11-19
KR0151355B1 KR0151355B1 (en) 1998-08-17

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CN (1) CN1150126A (en)
GB (1) GB2302328B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102190326A (en) * 2010-03-05 2011-09-21 昶昕实业股份有限公司 Methods for recovering copper from copper-containing waste liquor
KR101585853B1 (en) 2014-01-15 2016-01-15 주식회사 메트로엔지니어링 Environmental pollution prevention equipment type steam removal device
CN105152300A (en) * 2015-08-05 2015-12-16 同济大学 Method for degrading taste and odor compound in water based on thermally-activated oxidant
CN110357186A (en) * 2019-06-14 2019-10-22 盐城荣平建设工程有限公司 A kind of ground construction environment-friendly sewage purification ancillary equipment

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Publication number Publication date
GB2302328A (en) 1997-01-15
CN1150126A (en) 1997-05-21
GB9612871D0 (en) 1996-08-21
GB2302328B (en) 1997-12-03
KR0151355B1 (en) 1998-08-17

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