PENGOLAHAN PRIMER LIMBAH TEKSTIL DENGAN ELEKTROKOAGULASI

Lieke Riadi; Whenny Ferydhiwati; Liok Dimas Sanjaya Loeman

doi:10.14710/reaktor.15.2.73-78

DOI: https://doi.org/10.14710/reaktor.15.2.73-78

PENGOLAHAN PRIMER LIMBAH TEKSTIL DENGAN ELEKTROKOAGULASI

*Lieke Riadi - Jurusan Teknik Kimia, Universitas Surabaya. Jl. Raya Kalirungkut, Surabaya

Whenny Ferydhiwati - Jurusan Teknik Kimia, Universitas Surabaya. Jl. Raya Kalirungkut, Surabaya

Liok Dimas Sanjaya Loeman - Jurusan Teknik Kimia, Universitas Surabaya. Jl. Raya Kalirungkut, Surabaya

Published: 27 Oct 2014.

BibTex Citation Data :

@article{Reaktor8150,
    author = {Lieke Riadi and Whenny Ferydhiwati and Liok Dimas Loeman},
    title = {PENGOLAHAN PRIMER LIMBAH TEKSTIL DENGAN ELEKTROKOAGULASI},
    journal = {Reaktor},
  volume = {15},
    number = {2},
    year = {2014},
    keywords = {textile waste water, electrocoagulation, color removal, TSS removal, degradation rate of COD},
    abstract = {  Limbah industri tekstil di area pinggir kota Surabaya mempunyai karakteristik perbandingan COD dan BOD = 5.57. Limbah jenis ini sulit untuk dibiodegradasi. Studi ini mempelajari tekonologi elektrokoagulasi untuk mengolah limbah tekstil dengan menurunkan intensitas warna, Total Suspended Solid (TSS) dan Chemical Oxygen Demand (COD). Percobaan batch   p  ada suhu kamar dilakukan untuk mempelajari pengaruh pH, jarak elektroda terhadap penurunan warna,TSS dan COD dan membandingkan biaya operasinya jika menggunakan pengolahan kimia.Effisiensi penurunan tertinggi untuk warna (91.96%),  TSS (49.17%), dan COD (29.67%) terjadi pada pH awal 4.0 dan jarak elektroda 2 cm dengan  elektroda Al/Al. Waktu optimum penurunan intensitas warna   dalah 10 menit. Laju penurunan COD adalah : -dC/dt = 0.0053 C +0.056 , dengan C adalah konsentrasi COD. Jumlah sludge yang dihasilkan daripengolahan elektrokoagulasi  3.4 % lebih kecil dibandingkan menggunakan bahan kimia. Biaya yang digunakan untuk pengolahan dengan elektrokoagulasi 52.35 % lebih murah dibandingkan jika menggunakan koagulasi dengan bahan kimia ( tawas).      Kata kunci  :       elektrokoagulasi, penurunan warna, penurunan TSS, laju degradasi COD ,  imbah tekstil     Abstract     Waste water from textile industry which is located in one suburb of Surabaya city as characteristic which the ratio of COD to BOD was 5.57. This type of waste water is difficult to be biodegraded. This study investigated elektrokoagulasi technology to treat textile waste water by removing color, total suspended solid, and Chemical Oxygen Demand. Batch experiment at room temperature was carried out to study the effect of pH, electrode distance for color, TSS and COD removal. This study also tried to compare the operation cost between elektrokoagulasi and chemical processes. The best removal efficiencies by Al electrodes was 91.96 % for color, 49.17 % for TSS and 29.67 % for COD which were under initial pH 4.0 and electrodes distance 2 cm. The optimum operation time for color removal was  found 10 minutes.The COD degradation rate was - dC/dt = 0.0053 C +0.056, with C= COD concentration. Sludge result from elektrokoagulasi was 3.4 % less than that by chemical treatment.The operation cost for elektrokoagulasi is 52.35 % less than that for chemical coagulation.     },
   issn = {2407-5973},   pages = {73--78}  doi = {10.14710/reaktor.15.2.73-78},
    url = {https://ejournal.undip.ac.id/index.php/reaktor/article/view/8150}
}

Citation Format:

Abstract

Limbah industri tekstil di area pinggir kota Surabaya mempunyai karakteristik perbandingan COD dan BOD = 5.57. Limbah jenis ini sulit untuk dibiodegradasi. Studi ini mempelajari tekonologi elektrokoagulasi untuk mengolah limbah tekstil dengan menurunkan intensitas warna, Total Suspended Solid (TSS) dan Chemical Oxygen Demand (COD). Percobaan batch pada suhu kamar dilakukan untuk mempelajari pengaruh pH, jarak elektroda terhadap penurunan warna,TSS dan COD dan membandingkan biaya operasinya jika menggunakan pengolahan kimia.Effisiensi penurunan tertinggi untuk warna (91.96%), TSS (49.17%), dan COD (29.67%) terjadi pada pH awal 4.0 dan jarak elektroda 2 cm dengan elektroda Al/Al. Waktu optimum penurunan intensitas warna dalah 10 menit. Laju penurunan COD adalah : -dC/dt = 0.0053 C +0.056 , dengan C adalah konsentrasi COD. Jumlah sludge yang dihasilkan daripengolahan elektrokoagulasi 3.4 % lebih kecil dibandingkan menggunakan bahan kimia. Biaya yang digunakan untuk pengolahan dengan elektrokoagulasi 52.35 % lebih murah dibandingkan jika menggunakan koagulasi dengan bahan kimia ( tawas).

Kata kunci : elektrokoagulasi, penurunan warna, penurunan TSS, laju degradasi COD, imbah tekstil

Abstract

Waste water from textile industry which is located in one suburb of Surabaya city as characteristic which the ratio of COD to BOD was 5.57. This type of waste water is difficult to be biodegraded. This study investigated elektrokoagulasi technology to treat textile waste water by removing color, total suspended solid, and Chemical Oxygen Demand. Batch experiment at room temperature was carried out to study the effect of pH, electrode distance for color, TSS and COD removal. This study also tried to compare the operation cost between elektrokoagulasi and chemical processes. The best removal efficiencies by Al electrodes was 91.96 % for color, 49.17 % for TSS and 29.67 % for COD which were under initial pH 4.0 and electrodes distance 2 cm. The optimum operation time for color removal was found 10 minutes.The COD degradation rate was - dC/dt = 0.0053 C +0.056, with C= COD concentration. Sludge result from elektrokoagulasi was 3.4 % less than that by chemical treatment.The operation cost for elektrokoagulasi is 52.35 % less than that for chemical coagulation.

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Keywords: textile waste water, electrocoagulation, color removal, TSS removal, degradation rate of COD

Funding: Jurusan Teknik Kimia UBAYA

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Article Info

Section: Research Article

Language : EN; IND

In Volume 15, No.2, OKTOBER 2014

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