flotation. flotation. dissolved air flotation, removes suspended solids non-selectively from slurry by bubbles that are generated by air coming out of solution; froth flotation, recovers valuable, hydrophobic solids by attachment to air bubbles generated by mechanical agitation of an air-slurry mixture, which float, and are recovered
this list contains acronyms, initialisms, and pseudo-blends that begin with the letter d.. for the purposes of this list: acronym = an abbreviation pronounced as if it were a word, e.g., sars = severe acute respiratory syndrome, pronounced to rhyme with cars; initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., cd = compact disc, pronounced .
flotation. flotation. dissolved air flotation, removes suspended solids non-selectively from slurry by bubbles that are generated by air coming out of solution; froth flotation, recovers valuable, hydrophobic solids by attachment to air bubbles generated by mechanical agitation of an air-slurry mixture, which floats, and are recovered
gravity filtration is a method of filtering impurities from solutions by using gravity to pull liquid through a filter. the two main kinds of filtration used in laboratories are gravity and vacuum/suction. gravity filtration is often used in chemical laboratories to filter precipitates from precipitation reactions as well as drying agents, inadmissible side items, or remaining reactants.
sedimentation is a physical water treatment process using gravity to remove suspended solids from water. solid particles entrained by the turbulence of moving water may be removed naturally by sedimentation in the still water of lakes and oceans. settling basins are ponds constructed for the purpose of removing entrained solids by sedimentation.
various flotation methods such as dissolved gas flotation dgf , dissolved air flotation daf , and induced gas flotation igf may be used. typically this separation step is used following a primary oil–water separation step which is able to remove a large portion of the free oil.
a deaerator is a device that removes oxygen and other dissolved gases from liquids. deaerators are commonly used to remove dissolved gases in feedwater for steam-generating boilers.dissolved oxygen in feedwater will cause serious corrosion damage in a boiler by attaching to the walls of metal piping and other equipment and forming oxides like rust . . dissolved carbon dioxide combines with .
solid-phase extraction spe is an extractive technique by which compounds that are dissolved or suspended in a liquid mixture are separated from other compounds in the mixture according to their physical and chemical properties.analytical laboratories use solid phase extraction to concentrate and purify samples for analysis. solid phase extraction can be used to isolate analytes of interest .
the purpose of this test is to select types of coagulant alum and also to estimate the optimal dose needed in removing the charged particles that occurred in seven trust water. jar test is an experiment to understand the processes of coagulation, flocculation and sedimentation awwa, 2011 .
air-sensitive vacuum distillation. some compounds have high boiling points as well as being air sensitive. a simple vacuum distillation system as exemplified above can be used, whereby the vacuum is replaced with an inert gas after the distillation is complete. however, this is a less satisfactory system if one desires to collect fractions .