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Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
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Abstract
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아라고나이트결정형 탄산칼슘의 제조방법Process for preparing aragonite crystalline calcium carbonate
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
Claims (2)
Ca(OH)2의 물 슬러리에 CO2가스를 취입하여 탄산칼슘을 생성시킴에 있어서 Ca(OH)2물 슬러리 농도를 5 내지 40중량%, 온도를 5 내지 65℃로 조정하고, Ca(OH)2의 물 슬러리중에 가용성 인산화합물을 PO4-3로 하여 Ca(OH)2에 대하여 0.1 내지 20중량% 첨가하여 CO2가스로 탄산화 시킴으로써 아라고나이트 결정형 탄산칼슘을 생성시키는 것을 특징으로 하는 아라고나이트결정형 탄산칼슘의 제조방법.Ca (OH) blowing CO 2 gas into the aqueous slurry of 2 is adjusted by Ca (OH) 2 water slurry concentration of 5 to 40% by weight, 5 to 65 ℃ the temperature in Sikkim generate calcium carbonate and Ca (OH ) by the soluble phosphoric acid compound in an aqueous slurry of 2 to PO 4-3 Ca (OH) aragonite by adding 0.1 to 20% by weight relative to 2, characterized in that to produce the aragonite crystal form calcium carbonate by carbonation with CO 2 gas Method for producing crystalline calcium carbonate.제1항에 있어서, 가용성 인산 화합물이 H3PO4, K3PO4, KH2PO4, K2HPO4, Na2HPO4·12H2O, (NH4)3PO4·3H2O중에서 선택되는 적어도 일종인 것을 특징으로 하는 아라고나이트 결정형 탄산칼슘의 제조방법.The method of claim 1, wherein the soluble phosphoric acid compound is H 3 PO 4 , K 3 PO 4 , KH 2 PO 4 , K 2 HPO 4 , Na 2 HPO 4 · 12H 2 O, (NH 4 ) 3 PO 4 · 3H 2 O A method for producing aragonite crystalline calcium carbonate, characterized in that at least one selected from.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880012014A1988-09-161988-09-16Method of preparing aragonite form of caco3
KR950001787B1
(en)