Production process of medicinal mirabilite

Production process of medicinal mirabilite

The invention relates to a production process of medicinal mirabilite, which comprises the following steps: carrying out mechanical filtration and purification treatment on certain density of underground conveyed raw aqueous glauber salt to obtain aqueous glauber salt with extremely low impurity con...

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Hauptverfasser: ZHANG DAMING, LIU WENLIANG, LIU ZEMIN, LI CHUNXIAN, GOU XINGWU
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Sprache:chi ; eng
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CHEMISTRY
COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM
INORGANIC CHEMISTRY
METALLURGY
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creator ZHANG DAMING
LIU WENLIANG
LIU ZEMIN
LI CHUNXIAN
GOU XINGWU
description The invention relates to a production process of medicinal mirabilite, which comprises the following steps: carrying out mechanical filtration and purification treatment on certain density of underground conveyed raw aqueous glauber salt to obtain aqueous glauber salt with extremely low impurity content; measuring the content of calcium and magnesium ions for calculating the adding amount of sodium carbonate, and simultaneously adding the sodium carbonate excess by 20-30 percent; calculating the adding mount of sodium sulfide according to the measured ion content of heavy metals of Fe, Sn, Pb, Cd, Sb and the like in the raw aqueous glauber salt, and simultaneously adding the sodium sulfide excess by 30-40 percent; then adding sodium hydroxide to enable the pH value of the aqueous glauber salt to reach 9-11; adding 0.2-0.6wt% of white alum to enable various generated precipitates to be settled; and finally adding sulfuric acid to regulate the pH value of the aqueous glauber salt to be 6.6-7.2. The medicinal mi
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subjects CHEMISTRY
COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM
INORGANIC CHEMISTRY
METALLURGY
title Production process of medicinal mirabilite
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