But the water is changed from transparent lime water and then apply clear lime water through filter to remove carbon dioxide gas released by sediment load filter. After that, bring a piece of paper to bring the oven to filter sediment derived comparison. The results of the experiments have found that carbon dioxide gas through the water without filter sludge pH value is 3.38 g ... heavy water through filters by filter from cellulose in the pH value, the sludge is Durian shell ... hard ... and g filters by filter from banana peel is pH value in cellulose ... heavy sludge ... g.
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