Used in processed foods and cosmetics, the red pigments in Capsicum (chile pepper) are important sources of non-toxic red dyes. The common method for extracting pigments from dried Capsicum uses ...
Extracting lithium from currently underutilized brines, such as geothermal and oilfield brines, will be necessary to meet the ...
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New method uses hygroscopic salt, humid air to recover 96% lithium from mining waste
Conventional lithium mining is a slow, water-intensive, and environmentally damaging process. The prevailing technique, ...
EXCLUDING mechanical, smelting, and amalgamation processes, the methods of extracting gold from its ores may conveniently be grouped together under the heading of wet or chemical methods. In these, ...
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After a Schenectady, N.Y., factory that produced enamels, varnishes and other resins for more than 80 years—and had a history of chemical spills—finally closed in 1997, New York’s environmental ...
LAS CRUCES, NM – Plant pigments are an important source of non-toxic compounds for use as food or cosmetic coloring agents. In addition to their known nutritional value, the red pigments in Capsicum ...
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