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Application filed by 원본미기재, 스미또모가가꾸고오교 가부시끼가이샤filedCritical원본미기재
Publication of KR930012580ApublicationCriticalpatent/KR930012580A/en
Solid-Sorbent Or Filter-Aiding Compositions
(AREA)
Cleaning Or Drying Semiconductors
(AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
(AREA)
Abstract
황산중의 과산화수소의 농도를 0.1중량%이하로 조절하고 황산을 알루미나 함유 화합물과 접촉시켜 저 착색된 황산 알루미늄을 제조한다.The concentration of hydrogen peroxide in sulfuric acid is adjusted to 0.1 wt% or less and sulfuric acid is contacted with an alumina containing compound to produce low colored aluminum sulfate.
Description
황산 알루미늄의 제조방법Manufacturing method of aluminum sulfate
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
Claims (5)
황산중의 과산화수소의 농도를 0.1중량% 이하로 조절하는 단계 및 황산을 알루미나 함유 화합물과 접촉시키는 단계를 포함함을 특징으로 하는 황간 알루미늄의 제조방법.Adjusting the concentration of hydrogen peroxide in sulfuric acid to 0.1 wt% or less and contacting sulfuric acid with an alumina containing compound.제1항에 있어서, 황산중의 과산화수소의농도를 0.1 내지 0.01중량%로 조절함을 특징으로 하는 방법The method according to claim 1, wherein the concentration of hydrogen peroxide in sulfuric acid is adjusted to 0.1 to 0.01% by weight.제1항에 있어서, 황산 중의 과산화수소의 농도를 과산화수소를 제거하거나 황산을 희석시켜 조절함을 특징으로 하는 방법.The method of claim 1 wherein the concentration of hydrogen peroxide in the sulfuric acid is adjusted by removing hydrogen peroxide or diluting sulfuric acid.제3항에 있어서, 과산화수소를 활성탄으로 제거함을 특징으로 하는 방법.The method of claim 3 wherein the hydrogen peroxide is removed with activated carbon.제3항에 있어서, 과산화수소를 분해시켜 과산화수소를 제거함을 특징으로 하는 방법.4. The method of claim 3 wherein the hydrogen peroxide is decomposed to remove hydrogen peroxide.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920025531A1991-12-251992-12-24
Manufacturing method of aluminum sulfate
KR930012580A
(en)
Processes for the polymerization and for reducing the electrostatic charge in the polymerization of an olefin and / or an olefin and at least one or more other olefin (s), film, and, article