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KARAKTERISTIK BIODIESEL DARI MINYAK JELANTAH MENGGUNAKAN KATALIS ABU TANDAN KOSONG SAWIT Budi Ariyani, Sukma; Asmawit; Hidayati
JURNAL BORNEO AKCAYA Vol 3 No 1 (2016): Jurnal Penelitian dan Pengembangan Pelayanan Publik
Publisher : Badan Penelitian dan Pengembangan Provinsi Kalimantan Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51266/borneoakcaya.v3i1.52

Abstract

The purpose of this study was to know the effect of adding a catalyst ash of palm empty fruit bunches on the number and characteristics of biodiesel produced from used cooking oil. The independent variables studied are heavy ash of palm empty fruit bunches (8, 10 and 12 g), the mole ratio of methanol: oil (6: 1, 9: 1 and 12: 1) and reaction time (60, 90 and 120 minutes). The results obtained are highest biodiesel yield is obtained of 54.7 mg/Kg on a reaction time of 60 minutes, the mole ratio of methanol:oil at 12:1, catalyst ash 10 g per 75 mL of methanol at a temperature of 60oC and stirring speed 600 rpm. Characteristics of biodiesel were analyzed in the study include the density, kinematic viscosity, cetane number, flash point, the point of fog, carbon residue, distillation temperature 90% vol, phosphorus, acid number and calorific value.
Pengaruh Pengetahuan Pajak dan Kesadaran Wajib Pajak Terhadap Kepatuhan Wajib Pajak dalam Membayar Pajak Kendaraan Bermotor Kota Palangka Raya Kharisma Nugraha Putra; Rahman; Hidayati; Theresia Mentari
Balance: Media Informasi Akuntansi dan Keuangan Vol. 15 No. 2 (2023): Jurnal BALANCE: Media Informasi Akuntansi dan Keuangan
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52300/blnc.v15i2.10756

Abstract

The purpose of this research is to examine and provide empirical evidence of the influence of tax knowledge and taxpayer awareness in taxpayer compliance in paying vehicle tax. The population of this research is vehicle tax payers in Palangka Raya City. The sample of this research is 100 respondents obtained using convenience sampling technique. The research questionnaire data was analyzed using the help of the Partial Least Squares (PLS) analysis tool. The results of the study show that there is no effect between tax knowledge on taxpayer compliance and there is an effect of taxpayer awareness on taxpayer compliance. These findings help to open insights related to policies that can increase motor vehicle tax compliance in the City of Palangka Raya.