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PENURUNAN WARNA, COD DAN TSS LIMBAH CAIR INDUSTRI TEKSTIL MENGGUNAKAN TEKNOLOGI DIELECTRIC BARRIER DISCHARGE DENGAN VARIASI TEGANGAN DAN FLOW RATE OKSIGEN

*Mochtar Hadiwidodo  -  , Indonesia
Haryono Setyo Huboyo  -  , Indonesia

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Abstract
Textile wastewater consist of colour matter, Chemical Oxygen Demand (COD) and Total Suspended
Solid (TSS) in high dose so that it have potency to pollute environment. Generally, textile wastewater
can be treatment by konventional method. But, this method was not efficient because operational cost
which is expensive. Discharge technology is new method to textile wastewater treatment. Dielectric
Barrier Discharge reactor is discharge reactor to decompose organic matter in wastewater. Discharge
was formed in reaktor which was given high voltage current to result active spesies with high oxidation
potential, such us

OH,

O,

H, O3 dan H2O2 which are important to organic matter decomposition. This
research intends to know capability of discharge which was formed in Dielectric Barrier Discharge
reactor to decrease color matter, COD, and TSS. Textile wastewater was treatment ini the Dielectric
Barrier Discharge reactor with variation in voltage (16,17,18 kV) and Oxygen flow rate (0,5;1,5;2,5
l/m). Voltage and oxygen flow rate variation affective to decomposition efficiency of colour, COD and
TSS. Decomposition of each pollutant will be higher with voltage increasing and flowrate decreasing.
Colour, COD and TSS decreasing was highest when was given maximum Voltage (18 kV) and
minimum Oxygen flow rate (0,5 l/m). Percentages of colour, COD and TSS are 47,78%, 76,50% and
70,72%. Even pH in final treatment are between 6-7. Energy input which was needed to maximal
treatment is 0,1128 kWh with electrical cost Rp.8,134/l.
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Keywords: textile wastewater, Dielectric Barrier Discharge, oxidation, active species

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Last update: 2024-12-04 00:50:57

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