AbstractBy using a solution of Na 2 CO 3, and aqueous Buffer (Na2CO3/NaHCO3) which concentration 0.1, 0.5, and 1M in the water samples are made in the Sub-subsections 1, 2 and 3 the Flask at flow rate 0.1 0.2 0.3 L/min, and the study of factors that affect the efficiency of the therapy device to trap acid fumes include concentrated acid vapour, absorption, source, flow rate, fume hood, coupled with the behavior of devices trap acid fumes and steam trap with acid absorption and adsorption by repeated trial 3.
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