PENGOLAHAN AIR GAMBUT DENGAN MEDIA FILTER BATU APUNG
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Date
2013-01-07
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Abstract
Peat water is surface water sources are often found in the province of Riau,
dark brown to black (124-850 PtCo), high value of organic (138-1560 mg / l
KMnO4), and acidic (pH 3.7 to 5.3 ). Conditions of this water showed that the
peat water still requires special processing before it can be used as a source of
drinking water. One alternative treatment to reduce color of the peat water is the
pumice filter.
The purpose of this experiment was to study the use of a pumice stone in
peat water processing. The principle of this peat water treatment was the process
of acclimatization for 6 days in advance to grow biofilms in layer of pumice filters
that have been filled with pumice stone and gravel. Once it was done running for
7 samples. In the pumice filter occured adsorption process, filtration process and
biological activity by micro-organisms.
This experiment used pumice filter reactor, with three variations of the
filtration rate was 0.25;1,5;5.0 m/h and thick pumice stone was 60 cm. The best
results were obtained in this experiment was the filtration rate 0.25 m / h and 60
cm thick pumice, where optimal efficiency in reducing peat water colors at
94.15%, reduced organic content at 89.78%, increased pH value at 64.58%, and
reduced value of turbidity at 98.51%. This result suitable with water standards
of PERMENKES No.416 / MENKES /PER/IX/1990, except for the organic
content parameters.
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Keywords
peat water, filtration, pumice filter, anova