Cobalt basics

Cobalt (CO), derived from kobold, means "the devil" (its ore is so toxic that it once threatened its own mining), discovered in 1735. For centuries, blue cobalt salts have consistently given porcelain, bricks and enamels a beautiful color. Cobalt alloy can be used to manufacture jet a

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Commonly used filtering methods

When the slurry is filtered, there is a driving force to overcome the resistance of the filter cake and the resistance of the filter medium. Therefore, depending on the driving force, the filtering methods can be roughly divided into the following types: 1. Gravity filtration, that is, the filtrat

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Taizhou Radio and Television Launches Visitor Logging Era

Taizhou Radio and TV Station is currently using Desheng’s visitor system. Taizhou Radio and TV Group is a comprehensive media entity that focuses on broadcasting, television, transmission networks, and newspaper and magazine propaganda and runs other related industries. Founded in January 19

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镨(Pr) Basic knowledge introduction

About 160 years ago, Swede Mo Sangde discovered a new element from lanthanum, but it is not a single element, Mo Sangde discover the nature of such elements and lanthanum are very similar, they put their named "Pr-Nd" . "镨钕" Greek is the meaning of "twin".

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A lignite ore dressing technology

Limonite ore nature, the great majority of 2Fe 2 O 3 · 3H 2 O exists in the form, amorphous form, or a colloid aphanitic appearance color was brown, dark brown to brown-black, to the weak magnetic. Limonite has very few rich ore, iron content is lower than magnetite and hematite, and most of the

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