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Priority to KR1019890002751ApriorityCriticalpatent/KR910003627B1/en
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C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
C01D5/16—Purification
Abstract
내용 없음No content
Description
황산나트륨의 정제법Purification of Sodium Sulfate
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
Claims (2)
황산나트륨을 정제하는 방법에 있어서, 황산나트륨을 직접 또는 간접 로에 넣어 800℃ 내지 1500℃의 온도에서 4-7시간 소성시키는 황산나트륨의 정제법.The method for purifying sodium sulfate, wherein the sodium sulfate is put in a direct or indirect furnace and calcined at a temperature of 800 ° C to 1500 ° C for 4-7 hours to purify sodium sulfate.제1항에 있어서, 원료 황산나트륨과 함께 산화제를 넣어 소성시키는 황산나트륨의 정제법.The method for purifying sodium sulfate according to claim 1, wherein an oxidizing agent is added and calcined together with the raw material sodium sulfate.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890002751A1989-03-061989-03-06Refinery process of sodium sulfate
KR910003627B1
(en)
PROCESS TO PURIFY HELIO GROUP HIGH PURITY FEEDING GAS CONTAINING AT LEAST ONE BETWEEN OXYGEN, HYDROGEN OR HUMIDITY, PURIFICATION SYSTEM ABLE TO CHANGE OR REVERSE THE FLOW OF THE CONTAMINATED GAS OF HELIO GROUP, SYSTEM OR SYSTEM. THE FLOW OF GAS FROM THE HELIO GROUP IS ABLE TO BE USED IN A POINT OF USE OF GAS IN THE HELIO GROUP OF HIGH PURITY