KR860002297A - Method to suppress scale formation in flue gas desulfurization - Google Patents

Method to suppress scale formation in flue gas desulfurization Download PDF

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Publication number
KR860002297A
KR860002297A KR1019840005416A KR840005416A KR860002297A KR 860002297 A KR860002297 A KR 860002297A KR 1019840005416 A KR1019840005416 A KR 1019840005416A KR 840005416 A KR840005416 A KR 840005416A KR 860002297 A KR860002297 A KR 860002297A
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South Korea
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compound
mentioned
haloepoxy
dihalo
hydrogen
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KR1019840005416A
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Korean (ko)
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KR900006083B1 (en
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커크 크럼프 드루스
알란 윌슨 데이비드
딘 갓튼 개리
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리챠드 골든 워터맨
더 다우 케미칼 캄파니
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Priority to KR1019840005416A priority Critical patent/KR900006083B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

내용 없음No content

Description

연도 개스 탈황공정에서 스케일의 형성을 억제하는 방법Method to suppress scale formation in flue gas desulfurization

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

본 도면은 개스 탈황공정에 사용되는 본 발명의 흡수탑과 이의 부속장치를 개략적으로 도시한 것이다.This figure schematically shows the absorption tower of the present invention and its accessories used in a gas desulfurization process.

Claims (6)

산화 황-함유 고온 개스를 칼슘 화합물-함유 수용액 또는 수성 슬러리와 접촉시켜 급냉시키고, 언급된 산화 황과 언급된 칼슘화합물과의 반응 생성물을 회수하는 증기-액체 접촉 컬럼에, 언급된 개스를 도입시키는 것으로 이루어진 개스탈황 공정에 있어서, 아미노에틸피페라진과 디할로 또는 할로에폭시 유기화합물과의 반응물(아민화합물에 대한 디할로 또는 할로에폭시 화합물의 몰비는 약 0.20 내지약 0.80이다)의 포스포노메틸화 생성물을 언급된 수용액 또는 수성 슬러리에 첨가시키며, 언급된 회수단계가 언급된 수용액 또는 수성 슬러리를 가열하여 황-칼슘 반응 생성물을 침전시키는 것으로 이루어지는 것임을 특징으로 하는 방법.The oxidized sulfur-containing hot gas is quenched by contact with a calcium compound-containing aqueous solution or an aqueous slurry, and the mentioned gas is introduced into a vapor-liquid contact column that recovers the reaction product of the sulfur oxide mentioned with the calcium compound mentioned. In a gas desulfurization process, a phosphonomethylated product of a reaction product of aminoethylpiperazine with a dihalo or haloepoxy organic compound (the molar ratio of dihalo or haloepoxy to amine compound is about 0.20 to about 0.80) Adding to the mentioned aqueous solution or aqueous slurry, wherein the recovery step mentioned consists in heating the mentioned aqueous solution or aqueous slurry to precipitate the sulfur-calcium reaction product. 제1항에 있어서, 언급된 칼슘 화합물이 탄산 칼슘인 방법.The method of claim 1 wherein the calcium compound mentioned is calcium carbonate. 제1항에 있어서, 언급된 디할로 화합물이 탄소수 1 내지 20의 화합물이고, 언급된 할로에폭시 화합물이 탄소수 3 내지 10의 화합물인 방법.The process according to claim 1, wherein the mentioned dihalo compound is a compound having 1 to 20 carbon atoms and the mentioned haloepoxy compound is a compound having 3 to 10 carbon atoms. 제1항에 있어서, 언급된 포스포노메틸화 생성물이 하기 일반식을 갖는 화합물인 방법 :The process of claim 1 wherein the phosphonomethylated product mentioned is a compound having the general formula: 상기식에서, A는, 일반식또는[여기서, Z는 수소, 하이드록시에틸, 하이드록시프로필,또는 BA(여기서, M은 수소, 알칼리 금속 또는 암모늄이다)이며, Z그룹의 50%이상은그룹이다]의 유기 라디칼이고, B는, 일반식 또는[여기서, Ar은또는이고, n은 1 내지 10이며, n'는 1 내지 3이고, R은 수소 또는 메틸이며, R'는 수소, 탄소수 1 내지 4의 알킬라디칼 또는 하이드록시알킬 라디칼, 하이드록시 라디칼 또는 할로겐원자이다]의 디할로 또는 할로에폭시 유기 화합물로부터 유도된 2가 라디칼이며, m은 1 내지 10이다.In the above formula, A is a general formula or [Where Z is hydrogen, hydroxyethyl, hydroxypropyl, Or BA, wherein M is hydrogen, an alkali metal or ammonium, and at least 50% of the Z group Group is an organic radical, and B is a general formula or [Where Ar is or N is 1 to 10, n 'is 1 to 3, R is hydrogen or methyl, and R' is hydrogen, an alkyl radical or hydroxyalkyl radical having 1 to 4 carbon atoms, a hydroxy radical or a halogen atom. Is a divalent radical derived from a dihalo or haloepoxy organic compound of which m is from 1 to 10. 제6항에 있어서, Z가이고, m이 1 내지 3인 방법.The compound of claim 6, wherein Z is And m is 1-3. 제3항에 있어서, B가 1,2-디클로로에탄으로부터 유도된 2가 라디칼이고, m이 1 내지 4인 방법.4. The process of claim 3 wherein B is a divalent radical derived from 1,2-dichloroethane and m is 1-4. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840005416A 1984-09-04 1984-09-04 Polymeric alkylene phosphoric acid piperazine derivatives for scale control in flue gas desulfurization KR900006083B1 (en)

Priority Applications (1)

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KR1019840005416A KR900006083B1 (en) 1984-09-04 1984-09-04 Polymeric alkylene phosphoric acid piperazine derivatives for scale control in flue gas desulfurization

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KR1019840005416A KR900006083B1 (en) 1984-09-04 1984-09-04 Polymeric alkylene phosphoric acid piperazine derivatives for scale control in flue gas desulfurization

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KR860002297A true KR860002297A (en) 1986-04-24
KR900006083B1 KR900006083B1 (en) 1990-08-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100848286B1 (en) * 2007-01-09 2008-07-25 한국동서발전(주) Scale Preventer and Scale Preventing Method for Wastewater Disposal Facility in Flue Gas Desulfurization System Using Sodium Hypochlorite
CN105180486A (en) * 2015-08-11 2015-12-23 瓮福（集团）有限责任公司 Method for comprehensively recycling waste heat of phosphate fertilizer plant

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