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Title: | Kultivasi Arthrospira platensis dalam Media Palm Oil Mill Effluent dengan Konsentrasi Berbeda |
Other Titles: | Cultivation of Microalgae Arthrospira platensis in palm oil mill effluent Media with Different Concentrations |
Authors: | Ekasari, Julie Suprayudi, Muhammad Mubarak, Duta |
Issue Date: | 2023 |
Publisher: | IPB University |
Abstract: | Tingginya kebutuhan nutrien bagi pertumbuhan A. platensis berakibat pada
pemenuhan kebutuhan pupuk yang tinggi. Salah satu cara mengatasi hal tersebut
adalah dengan pemanfaatan limbah tinggi nitrogen hasil olahan minyak kelapa
sawit berupa limbah cair yang dikenal dengan nama palm oil mill effluent (POME)
sebagai media pertumbuhan A. platensis. Penelitian ini bertujuan mengevaluasi
konsentrasi POME yang efektif sebagai media pertumbuhan A. platensis. Inokulan
A. platensis diinokulasi ke dalam 15 unit wadah berukuran 15 L dan ditambahkan
POME dengan konsentrasi berbeda, yaitu 10% v/v (P10), 20% v/v (P20), dan 30%
v/v (P30) dan tanpa penambahan POME sebagai kontrol (K). Kepadatan A.
platensis diukur menggunakan spektrofotometer pada panjang gelombang 680 nm.
Kepadatan awal yang digunakan pada awal pemeliharaan memiliki nilai absorbansi
optical density (OD) berkisar 0,50–0,55. Parameter yang diukur adalah laju
pertumbuhan spesifik (LPS), biomassa panen A. platensis, efisiensi penurunan
chemical oxygen demand (COD) dan efisiensi penurunan biological oxygen
demand (BOD). Hasil penelitian menunjukkan bahwa POME dapat digunakan
sebagai media pertumbuhan A. platensis. Pada perlakuan konsentrasi POME 10%
(v/v), mampu meningkatkan laju pertumbuhan spesifik sel, biomassa serta mampu
memanfaatkan karbon organik untuk tumbuh dalam POME yang ditunjukan pada
penurunan COD dan BOD. The high need for nutrients for the growth of A. platensis results in meeting the high need for fertilizer. One way to overcome this is by utilizing high- nitrogen waste resulting from processed palm oil in the form of liquid waste known as palm oil mill effluent (POME) as a growth medium for A. platensis. This study aims to evaluate the effective concentration of POME as a growth medium for A. platensis. The A. platensis inoculant was inoculated into 15 units of 15 L containers and POME was added with different concentrations, namely 10% v/v (P10), 20% v/v (P20), and 30% v/v (P30) and without the addition of POME as a control (K). The density of A. platensis was measured using a spectrophotometer at a wavelength of 680 nm. The initial density used at the beginning of maintenance has an optical density (OD) absorbance value ranging from 0.50–0.55. Parameters measured were specific growth rate (LPS), A. platensis harvested biomass, chemical oxygen demand (COD) reduction efficiency and biological oxygen demand (BOD) reduction efficiency. The results showed that POME could be used as a growth medium for A. platensis. In the treatment of 10% POME concentration, it was able to increase the specific growth rate of cells, biomass and was able to utilize organic carbon to grow in POME which was shown in the reduction of COD and BOD. |
URI: | http://repository.ipb.ac.id/handle/123456789/124879 |
Appears in Collections: | UT - Aquaculture |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Cover, Lembar Pengesahan, Prakata, Daftar Isi.pdf Restricted Access | Cover | 967.83 kB | Adobe PDF | View/Open |
C14190016_Duta Ramadhan Mubarak.pdf Restricted Access | Fulltext | 1.93 MB | Adobe PDF | View/Open |
Lampiran.pdf Restricted Access | Lampiran | 829.14 kB | Adobe PDF | View/Open |
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