ANALISIS KARAKTERISTIK METIL ESTER (BIODIESEL) MINYAK KEMIRI  SEBAGAI ALTERNATIF BIOADITIF PENURUN TITIK TUANG BIODIESEL CPO

Misdawati Misdawati; Siswadi Siswadi; Sari Farah Dina Farah Dina

doi:10.35261/barometer.v9i1.10945

Penulis

Misdawati Misdawati Program Studi Teknik Mesin, Fakultas Teknik, Universitas Alwashliyah Medan
Siswadi Siswadi Universitas Singaperbangsa Karawang
Sari Farah Dina Farah Dina Prodi D-III Teknik Mesin, Politeknik Teknologi Kimia Industri, PTKI Medan

DOI:

https://doi.org/10.35261/barometer.v9i1.10945

Abstrak

Kelemahan biodiesel CPO adalah titik tuangnya (pour point) yang tinggi sehingga pada suhu rendah akan menyebabkan masalah dalam pemanfaatannya pada mesin pengguna. Akan mengakibatkan terjadinya penyumbatan pada filter dan saluran bahan bakar Penelitian ini bertujuan untuk menurunkan titik tuang biodiesel CPO dengan cara mencampurkannya dengan metil ester (biodiesel) minyak kemiri. Dalam penelitian ini pengaruh komposisi, jenis biodiesel yang dicampurkan dievaluasi untuk mencari kombinasi yang paling baik dari ratio biodiesel dalam campuran . Pengaruh asam linolenat yang ada pada minyak kemiri terhadap kualitas biodiesel yang dihasilkan juga dievaluasi. Hasil penelitian menunjukkan bahwa semakin banyak proporsi penambahan biodiesel minyak kemiri, maka titik tuang biodiesel campuran menjadi semakin rendah. Biodiesel bertitik tuang rendah diperoleh 10^oC dari pencampuran biodiesel CPO dengan biodiesel kemiri pada komposisi 80 : 20 dan titik tuang optimal diperoleh -5^oC. Ternyata ikatan rangkap dua yang ada pada asam lemak linolenat sangat mempengaruhi kualitas biodiesel yang dihasilkan dari pada panjang rantai karbon asam lemak.

Unduhan

Data unduhan belum tersedia.

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