KR960704804A - Method of treating wastewater containing organic and inorganic compounds - Google Patents

Method of treating wastewater containing organic and inorganic compounds

Info

Publication number
KR960704804A
KR960704804A KR1019960701480A KR19960701480A KR960704804A KR 960704804 A KR960704804 A KR 960704804A KR 1019960701480 A KR1019960701480 A KR 1019960701480A KR 19960701480 A KR19960701480 A KR 19960701480A KR 960704804 A KR960704804 A KR 960704804A
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KR
South Korea
Prior art keywords
activated carbon
hours
treatment step
treated
wastewater
Prior art date
Application number
KR1019960701480A
Other languages
Korean (ko)
Inventor
볼프강 딜라
헬무트 딜렌 부르크
한스-게오르그 크레버
에리히 플뢰니센
Original Assignee
디터 라우어
솔베이 도이치란트 게엠베하
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.)
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Application filed by 디터 라우어, 솔베이 도이치란트 게엠베하 filed Critical 디터 라우어
Publication of KR960704804A publication Critical patent/KR960704804A/en

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Classifications

    • 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
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/354—After-treatment
    • C01B32/36—Reactivation or regeneration
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • 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
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • 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
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Abstract

본 발명은 유기 및 무기 화합물을 함유한 폐수, 특히 에피클로로히드린 합성이 생성되는 폐수의 처리에관한 것이다. 본 발명에 따르면 폐수는 1)열-알칼리 처리, 2) 생물학적 처리 그리고 경우에 따라 3) 활성탄 처리를 행하게 된다.The present invention relates to the treatment of wastewater containing organic and inorganic compounds, especially wastewater from which epichlorohydrin synthesis is produced. According to the invention the wastewater is subjected to 1) heat-alkali treatment, 2) biological treatment and optionally 3) activated carbon treatment.

Description

유기 및 무기 화합물을 함유하는 폐수의 처리방법Method of treating wastewater containing organic and inorganic compounds

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (15)

폐수의 흡착성 유기 헬로겐 화합물 (AOX) 양이 리터당 10mg 이상, 용해성 유기 화합물이, 리터당 0.10g이상인, 주로 에피클로로히드린 합성 유래의 유기 및 무기 화합물을 함유한 폐수를 처리하는 방법으로서, 1) 폐수는 pH값이 10 내지 14(실온측정)이거나 그 값에 맞춘 후에 폐수를 한 반응조에 유입시키거나 통과하게 하는데, 여기서 온도가 75℃이상, 압력이 적어도 1바아(bar)(절대압력), 체류시간은 적어도 0.5시간 되도록 조절하여 처리한 후 처리된 폐수를 반응조에서 빼내고 /또는, 2) pH값을 4 내지 12(실온측정)로 맞추고 온도를 35℃이하로 한후, 비표면적이 적어도 800내지 1200㎡/g이며, 입자크기는 0.8 내지 4mm인 활성탄으로 채워진 반응조로 보내어 평균 지체시간 3 내지 15시간 동안 흐르게 한 후, 3) 그람양성 및/또는 그람음성 박테리아를 이용하여 평균 4 내지 25시간 동안 온도 35℃이하에서 생화학적 및 생물학적 처리를 행하여 생물학적 처리단계를 행하며, 상기 2)에서 유래한 오염된 활성탄을 탈이온화수 혹은 부분적으로 탈이온화된 물로 세척한 후 농도가 0.5 내지 5mol/1인 소듐하이드록사이드 용액으로 75내지 185℃에서 약 0.5 내지 7시간 열처리 후 활성탄을 35℃이하로 냉각 후 탈이온화수 혹은 부분적으로 탈이온화된 물로 세척하거나 세척후 냉각시키고, 탈이온화수 혹은 부분적으로 탈이온화된 물로 세척한 후 35℃ 이하로 냉각하여 다시 상기 2)의 공정에 사용하는 것을 특징으로 하는 폐수처리방법.1) A method of treating wastewater containing mainly organic and inorganic compounds derived from epichlorohydrin synthesis, in which the amount of adsorptive organic halogen compound (AOX) in the wastewater is 10 mg or more per liter and the soluble organic compound is 0.10 g or more per liter. Waste water is introduced into or passed through a reactor after the pH value is between 10 and 14 (room temperature measurement) or at that value, where the temperature is at least 75 ° C. and the pressure is at least 1 bar (absolute pressure), The residence time is adjusted to be at least 0.5 hours, and then treated wastewater is removed from the reaction tank, and / or 2) the pH value is set to 4 to 12 (room temperature measurement) and the temperature is lower than 35 ° C, and the specific surface area is at least 800 to 1200 m 2 / g, particle size is sent to the reactor filled with activated carbon 0.8 ~ 4mm to flow for 3 to 15 hours of the average delay time, and 3) using the Gram positive and / or Gram negative bacteria on average 4 ~ A biochemical and biological treatment is carried out by performing a biochemical and biological treatment at a temperature of 35 ° C. or below for 25 hours, and the contaminated activated carbon derived from 2) is washed with deionized water or partially deionized water, and then the concentration is 0.5 to 5 mol / After heat treatment at 75 to 185 ° C for about 0.5 to 7 hours with sodium hydroxide solution of 1, the activated carbon is cooled to below 35 ° C and then washed with deionized water or partially deionized water, or cooled after washing, and deionized water or partially Washing with deionized water and then cooled to 35 ℃ or less and used again in the process of 2). 제1항에 있어서, 처리단계 1)에서 바람직하게는 pH값이 11 내지 14(실온측정), 온도가 85 내지 185℃ 압력이 1.0 내지 10.5비아(bar) (절대압력), 체류시간이 1 내지 8시간인 것을 특징으로 하는 방법.The method according to claim 1, wherein in the treatment step 1), the pH value is preferably 11 to 14 (room temperature measurement), the temperature is 85 to 185 ° C, the pressure is 1.0 to 10.5 bar (absolute pressure), and the residence time is 1 to 8 hours. 제1항에 있어서, 처리단계 3)에서 그람양성 박테리아를 전 미생물군의 20 내지 98%, 그람음성 박테리아를 2 내지 80% 사용하는 것을 특징으로 하는 방법.The method according to claim 1, wherein 20 to 98% of the entire microbial group and 2 to 80% of the gram-negative bacteria are used in the treatment step 3). 제1항 또는 제3항에 있어서, 그람양성 박테리아로서, 바람직하게는 클라비박터(Clavibacter) 셀룰로모나스(Cellulomonas), 오레오박테리움(Aureobacterium), 마이코박테리움(Micobacterium), 쿠르토박테리움(Curtobacterium)을, 그람 음성 박테리아로서 칼리게네스(Alcaligenes)속을 사용하는 것을 특징으로 하는 방법.The method according to claim 1 or 3, which is a Gram-positive bacterium, preferably Clavibacter Cellulomonas, Aureobacterium, Mycobacterium, Curtobacterium (4). Curtobacterium), using the genus Alcaligenes as a Gram-negative bacterium. 제1항에 있어서, 처리단계 3)에서 그람양성 박테리아인 클라비박터(Clavibacter), 셀룰로모나스(Cellulomonas), 오레오박테리움(Aureobacterium), 마이코박테리움(Micobacterium), 쿠르토박테리움(Curtobacterium)만을 사용하는 것을 특징으로 하는 방법.The method according to claim 1, wherein the Gram-positive bacteria Clavibacter, Cellulomonas, Aureobacterium, Mycobacterium, Curtobacterium in the treatment step 3). Using only bays. 제1항에 있어서, 처리단계 3)에서 평균 체류시간이 7 내지 18시간인 것을 특징으로 하는 방법.A process according to claim 1, characterized in that the mean residence time in process step 3) is from 7 to 18 hours. 제1항에 있어서, 오염된 활성탄을 농도가 1.0mol/1인 소듐하이드록사이드 용액으로 95 내지 170℃에서 약 1 내지 4시간 처리하는 것을 특징으로 하는 방법.The method of claim 1, wherein the contaminated activated carbon is treated with sodium hydroxide solution having a concentration of 1.0 mol / 1 at 95-170 ° C. for about 1 to 4 hours. 제1항에 있어서, 처리단계 2)를 거치기 전에 폐수를 pH 값이 4.5 내지 8이 되도록 하는 것을 특징으로 하는 방법.The method of claim 1 wherein the wastewater is subjected to a pH value of 4.5 to 8 prior to the treatment step 2). 제1항 또는 제7항에 있어서, 활성탄의 재생을 위하여 소듐하이드록사이드를 반복 사용하는 것을 특징으로 하는 방법.8. Process according to claim 1 or 7, characterized in that sodium hydroxide is repeatedly used for the regeneration of activated carbon. 제9항에 있어서, 활성탄의 재생을 위하여 소듐하이드록사이드의 pH값이 13 이하로 저하되기 까지는 소듐이드록사이드를 재사용할 수 있는 것을 특징으로 하는 방법.The method according to claim 9, wherein the sodium hydroxide can be reused until the pH value of sodium hydroxide is lowered to 13 or less for the regeneration of activated carbon. 제1항에 있어서, 활성탄의 흡착 능력이 저하되었을 때 추가로 활성탄 Kg당 5 내지 20d㎡염산으로 실온에서 지체시간 3내지 15시간 동안 처리하는 것을 특징으로 하는 방법.The method according to claim 1, wherein when the adsorption capacity of the activated carbon is lowered, the method is further treated with 5 to 20 m 2 hydrochloric acid per Kg of activated carbon at room temperature for a lag time of 3 to 15 hours. 제1항에 있어서, 폐수를 활성탄으로 처리하는 공정을 생물학적 처리단계 이후에도 또한 행할 수 있는 것을 특징으로 하는 방법.A process according to claim 1, wherein the process of treating the wastewater with activated carbon can also be carried out after the biological treatment step. 제1항에 있어서, 폐수를, 경우에 따라, 처리단계 2)에 따라 활성탄으로 처리한 후, 처리단계 3)에 따라 생물학적으로 처리하는 것을 특징으로 하는 방법.The process according to claim 1, characterized in that the wastewater is optionally treated with activated carbon according to treatment step 2) and then biologically treated according to treatment step 3). 제1항에 있어서, 폐수를, 경우에 따라, 처리단계 1)에 따라 열처리한 후, 처리단계 3)에 따라 생물학적으로 처리하고 나서 처리단계 2)에 따라 활성탄으로 처리하는 것을 특징으로 하는 방법.A process according to claim 1, characterized in that the waste water is optionally treated in accordance with treatment step 1) and then biologically treated in accordance with treatment step 3) and then treated with activated charcoal in accordance with treatment step 2). 제1항 내지 제4항 중 어느 한 항에 따른 폐수를 처리하는데 쓰이는 활성탄을 1)물로 세척하고, 2) 0.5내지 7시간동안 75내지 185℃에서 소듐하이드록사이드로 처리하고, 3) 다시 물로 세척하며, 여기서 활성탄의 흡착 능력이 저하되었을 때 추가로 처리전 혹은 중간에 염산 처리를 행하는 것을 특징으로 하는 활성탄 재생방법.The activated carbon used to treat the wastewater according to any one of claims 1 to 4 is 1) washed with water, 2) treated with sodium hydroxide at 75 to 185 ° C. for 0.5 to 7 hours, and 3) again with water. Washing, wherein hydrochloric acid treatment is further performed before or during the treatment when the adsorption capacity of the activated carbon is lowered. ※ 참고사항: 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the original application.
KR1019960701480A 1993-11-23 1994-11-12 Method of treating wastewater containing organic and inorganic compounds KR960704804A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4339887.1 1993-11-23
DE19934339887 DE4339887A1 (en) 1993-11-23 1993-11-23 Process for the treatment of waste water containing organic and inorganic compounds
PCT/EP1994/003761 WO1995014639A1 (en) 1993-11-23 1994-11-12 Process for the treatment of waste water containing organic and inorganic compounds

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KR960704804A true KR960704804A (en) 1996-10-09

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EP (1) EP0730560A1 (en)
JP (1) JPH09505237A (en)
KR (1) KR960704804A (en)
CN (1) CN1145612A (en)
CZ (1) CZ104796A3 (en)
DE (1) DE4339887A1 (en)
PL (1) PL312985A1 (en)
WO (1) WO1995014639A1 (en)

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DE10223112A1 (en) * 2002-05-21 2003-12-24 Ufz Leipzighalle Gmbh Removal of organic halogen compounds from water, especially ground water, involves hydrolysis of hardly volatile compounds to more volatile, partly dehydrohalogenated compounds in activated charcoal bed before stripping with gas
CA2597983A1 (en) 2003-11-20 2005-06-16 Solvay (Societe Anonyme) Pseudo-azeotropic composition containing dichloropropanol and process for producing such composition
JP2010536559A (en) * 2007-08-23 2010-12-02 ダウ グローバル テクノロジーズ インコーポレイティド Reduction of total organic carbon (TOC) in brine by chlorinolysis
US8105481B2 (en) * 2007-12-19 2012-01-31 Chevron U.S.A. Inc. Reduction of organic halide contamination in hydrocarbon products
WO2012041816A1 (en) 2010-09-30 2012-04-05 Solvay Sa Derivative of epichlorohydrin of natural origin
JP6264947B2 (en) * 2014-03-03 2018-01-24 東ソー株式会社 Process for producing a mixture of diphenylmethanediamine and polyphenylenepolymethylenepolyamine
DE102014111393A1 (en) * 2014-08-11 2016-02-11 Ovivo Luxembourg S.À.R.L. Process for the in situ regeneration of trihalomethane-loaded activated carbons by alkaline hydrolysis
CN104591405A (en) * 2015-01-14 2015-05-06 苏忠 Method for treating coal-chemical engineering wastewater with klebsiella pneumoniae
CN107922192A (en) * 2015-05-29 2018-04-17 ambuja中间体私人有限公司 New-type environmentally friendly " zero solid discharge " processing for dye and dye intermediate industry

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GB191219357A (en) * 1912-08-23 1912-12-12 Abraham Wynberg The Production of Revivified Decolourizing Carbon to Adapt it for Re-use.
JPS59173199A (en) * 1983-03-22 1984-10-01 Kansai Electric Power Co Inc:The Biological treatment of waste water containing dithionic acid and ammonia
US4623464A (en) * 1985-03-21 1986-11-18 Occidental Chemical Corporation Removal of dioxins, PCB's and other halogenated organic compounds from wastewater
US4695386A (en) * 1985-05-20 1987-09-22 Advanced Separation Technologies Incorporated Process for the decolorization of pulp mill process streams
IT1227301B (en) * 1988-10-07 1991-04-05 Eniricerche Spa TREATMENT OF EFFLUENTS FROM THE PRODUCTION OF EPOXY RESINS
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DE4229355A1 (en) * 1992-09-06 1994-03-10 Solvay Deutschland Process and appts for the removal of chlorinated organic cpds from effluent - esp. from epichlorohydrin prodn

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JPH09505237A (en) 1997-05-27
DE4339887A1 (en) 1995-05-24
PL312985A1 (en) 1996-05-27
CN1145612A (en) 1997-03-19
WO1995014639A1 (en) 1995-06-01
CZ104796A3 (en) 1996-08-14
EP0730560A1 (en) 1996-09-11

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