KR970006194A - Treatment of fluorine-containing wastewater - Google Patents

Treatment of fluorine-containing wastewater Download PDF

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Publication number
KR970006194A
KR970006194A KR1019950019976A KR19950019976A KR970006194A KR 970006194 A KR970006194 A KR 970006194A KR 1019950019976 A KR1019950019976 A KR 1019950019976A KR 19950019976 A KR19950019976 A KR 19950019976A KR 970006194 A KR970006194 A KR 970006194A
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KR
South Korea
Prior art keywords
fluorine
containing wastewater
wastewater
rare earth
treating
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KR1019950019976A
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Korean (ko)
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KR0142932B1 (en
Inventor
홍영호
양성훈
우상모
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이정성
주식회사 Lg 금속
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Priority to KR1019950019976A priority Critical patent/KR0142932B1/en
Publication of KR970006194A publication Critical patent/KR970006194A/en
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Publication of KR0142932B1 publication Critical patent/KR0142932B1/en

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Abstract

본 발명은 불소가 함유된 폐수를 처리함에 있어서, 폐수의 pH를 중성이하로 조절한 후 가용성 희토류 화합물을 첨가시켜 불소제거 효율을 증대시키는 것에 관한 것으로, 불소함유 폐수를 가용성 희토류 화합물로 처리함에 이어서, 폐수에 무기산을 투입하여 pH를 중성이하로 조절 후 가용성 희토류 화합물을 첨가하여 폐수중의 불소를 제거시키는 것을 특징으로 하는 불소함유 폐수의 처리방법에 관한 기술이다.The present invention relates to increasing the efficiency of fluorine removal by adjusting the pH of wastewater to neutrality and then adding soluble rare earth compounds in treating fluorine-containing wastewater, and then treating fluorine-containing wastewater with soluble rare earth compounds. , A method for treating fluorine-containing wastewater, characterized in that fluorine is removed from the wastewater by adding an inorganic acid to the wastewater to adjust the pH to neutral and then adding a soluble rare earth compound.

Description

불소함유 폐수의 처리방법Treatment of fluorine-containing wastewater

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

Claims (4)

불소함유 폐수를 가용성 희토류 화합물로 처리함에 있어서, 폐수에 무기산을 투입하여 pH를 중성이하로 조절 후 가용성 희토류 화합물을 첨가하여 폐수중의 불소를 제거시키는 것을 특징으로 하는 불소함유 폐수의 처리방법.A method for treating fluorine-containing wastewater, wherein the treatment of fluorine-containing wastewater with soluble rare earth compounds comprises adding inorganic acid to the wastewater to adjust the pH to neutral and then adding soluble rare earth compounds to remove fluorine from the wastewater. 제1항에 있어서, 무기산이 질산, 염산, 황산인 것을 특징으로 하는 불소함유 폐수의 처리방법.The method for treating fluorine-containing wastewater according to claim 1, wherein the inorganic acid is nitric acid, hydrochloric acid, sulfuric acid. 제1항에 있어서, 무기산으로 처리한 pH가 3∼7인 것을 특징으로 하는 불소함유 폐수의 처리방법.The method for treating fluorine-containing wastewater according to claim 1, wherein the pH treated with the inorganic acid is 3 to 7. 제1항에 있어서, 불소함유 폐수가 폐수의 원소 또는 소석회에 의한 1차 처리수 인 것을 특징으로 하는 불소함유 폐수의 처리방법.The method for treating fluorine-containing wastewater according to claim 1, wherein the fluorine-containing wastewater is primary treated water by elemental or hydrated lime of the wastewater. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950019976A 1995-07-07 1995-07-07 Treatment of fluorine-containing wastewater KR0142932B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950019976A KR0142932B1 (en) 1995-07-07 1995-07-07 Treatment of fluorine-containing wastewater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950019976A KR0142932B1 (en) 1995-07-07 1995-07-07 Treatment of fluorine-containing wastewater

Publications (2)

Publication Number Publication Date
KR970006194A true KR970006194A (en) 1997-02-19
KR0142932B1 KR0142932B1 (en) 1998-07-01

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KR1019950019976A KR0142932B1 (en) 1995-07-07 1995-07-07 Treatment of fluorine-containing wastewater

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100435475B1 (en) * 1999-12-27 2004-06-10 주식회사 포스코 A Solution for Removing Fluorine Ion Having Simultaneous Removal Effect of COD and CN and A Treatment Method of Wastewater Using It
KR100369892B1 (en) * 2000-11-07 2003-01-29 김재종 Method for treating of contaminated water with fluoride
KR20040031344A (en) * 2002-10-04 2004-04-13 장영옥 The removal agent of fluoride ions using waste polishes and its making method

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KR0142932B1 (en) 1998-07-01

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