With the sun's energy,this simple single-basin, passive-solar distiller can produce up to 4 gallons of purified water per day. Learn how to use passive solar water distillation to purify your drinking ...
Following installation of a new air-cooled condenser as part of its crude distillation unit's preflash tower overhead, a US Midwestern refinery began producing off-spec light naphtha that led to ...
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