Claim Missing Document
Check
Articles

Found 22 Documents
Search

STUDI OPTIMALISASI KOMPOSISI GLISEROL DAN KITOSAN TERHADAP KARAKTERISTIK SIFAT FISIK PLASTIK BIODEGRADABLE DARI LIMBAH NASI AKING DAN TEPUNG TAPIOKA Nisa Nurhidayanti; Indah Yulian Kusuma Wardani; Nur Ilman Ilyas
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 15 No 1 (2021)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJES.2021.v15.i01.p03

Abstract

Aking rice is rice waste that is no longer suitable for public consumption, however, the high starch content of aking rice can be used as a raw material for making biodegradable plastics. Good biodegradable plastic made from cassava starch and rice flour, to increase its elasticity and extensibility it is necessary to add chitosan additives and glycerol plasticizers. This study aims to determine the optimum conditions for the composition of glycerol and chitosan for the physical properties of biodegradable plastics made from aking rice and tapioca starch. Biodegradable plastics in this study were made with 3 grams of aking rice flour and 7 grams of tapioka flour with the addition of variations in the composition of chitosan (3 grams, 5 grams, and 7 grams) and the addition of variations in the composition of glycerol (2 ml, 4 ml, 6 ml, and 8 ml). As a result, the highest tensile strength value at 7: 2 composition variation is 41.29 MPa, the highest elongation percentage at 3: 8 composition variation is 135.8%, the highest water resistance at 7: 8 composition variation is -206%, the highest percent water absorption and the fastest biodegradation process at a variation of the composition of 3: 2, namely 1603% and completely degraded on the 4th day.Keywords: aking rice, biodegradable plastic, chitosan, glycerol and tapioca starch.
Implementation of Zero Etanol in the Analysis of Lambucid Tablet Sampling at PT. Kalbe Farma Tbk Nisa Nurhidayanti; Deni Rusli
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (245.826 KB) | DOI: 10.14710/presipitasi.v18i2.212-218

Abstract

PT. Kalbe Farma Tbk Bekasi is one of the pharmaceutical industries in Indonesia which has an essential role in the world of health because it produces several different preparations of drugs, one of which is lambucid tablets as medicine for heartburn. The ethanol waste produced in the production of lambucid tablets is toxic and can pollute the environment if it is not managed correctly. In testing the levels of the active substance in the Lambucid tablet product, it is known that the analysis process produces quite a lot of ethanol waste. This study aims to implement a method of developing the lambucid tablet production analysis test without making ethanol waste. The development method for removing ethanol in the analysis of lambucid tablet samples was carried out by replacing the titration method, which originally required quite a lot of ethanol to become an analytical method based on MA Tentative Promag Fruity Strawbery Tablet with number: MP-I 664253 A, this method has been tested by the team. RnD Andev PT.Kalbe Farma so that the data obtained are valid data with the advantage of not producing ethanol waste in each analysis. Through this method, the company can save Rp. 46.800.000 per year for the purchase of pure ethanol.
Efektivitas Hidroponik Tanaman Bunga Kana, Kayu Apu serta Ampas Kopi dalam Pengolahan Air Limbah Greywater Domestik Nurhidayanti, Nisa; Ardiatma, Dodit
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 17, No 3 (2020): November 2020
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (45.586 KB) | DOI: 10.14710/presipitasi.v17i3.272-283

Abstract

Pelita Bangsa University is a developing private university in Bekasi Regency with an increasing number of students every year. The problem with the increasing number of students causes the domestic waste water produced to also increase. The purpose of this study was to determine the hydroponic effectiveness of Kana Flower and Apu wood and coffee grounds in reducing BOD, TSS, Oil and Fat of domestic greywater waste. The stages of the research method began with making activated charcoal from coffee grounds, taking wastewater samples, testing wastewater, acclimatizing plants, range finding tests, testing phytoreactors with activated carbon filters, and continuing with data analysis. The results of testing the parameters of domestic greywater waste with an activated carbon filter from coffee grounds for seven days obtained a final value of TSS <2.5 mg/l, BOD 23 mg/l, Oil and Fat of <0.1 mg/l, pH 7.61 and TDS of 286 ppm. The test results have met the quality standards for domestic wastewater according to the Regulation of the Minister of Environment and Forestry of the Republic of Indonesia Number 68 of 2016. Based on the results of the study, it was found that the effectiveness of reducing the concentration of several parameters from the phytoremediation process with activated carbon filters from coffee grounds was a decrease in TSS of 98.20%, BOD 76.04%, oil and fat 0%, pH 0.39% and TDS 29.03%.
The Effectiveness of Reducing Ammonia Content Using Phytoremediation Methods in Domestic Waste of Pelita Bangsa University Nisa Nurhidayanti; Nadya Ulfani Sara
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (352.332 KB) | DOI: 10.14710/presipitasi.v18i2.192-201

Abstract

Pelita Bangsa University is a private university with an increasing number of students every academic year. The increase in the number of students causes an increase in the amount of domestic waste generated. This study aims to determine the effectiveness of reducing Ammonia content in Pelita Bangsa University Domestic Waste by phytoremediation method using Apu Wood (Pistia stratiotes L.) and Kana Flower (Canna Indica) as well as the use of coffee grounds as activated carbon. The first step in this research is the manufacture of activated carbon from coffee grounds. The next step is to take samples of the Pelita Bangsa University domestic waste test. The test samples were brought to the laboratory, and the Ammonia parameter was tested to determine the initial concentration of the waste. Then the next step is the acclimatization process of plants and then continued with the Range Finding Test process. After that, the waste treatment process is carried out with a phytoreactor. Furthermore, the waste from the phytoreactor processing is taken to the laboratory for testing the ammonia parameters. The last step is to analyze the test results data. Based on the results of laboratory tests, the ammonia content after the phytoremediation process with and without a filter is <0.1 mg/L with the effectiveness of reducing the ammonia concentration by 97.10% with the addition of coffee grounds activated carbon filter and 96.7% for the use of the phytoremediation method without filters.
Studi Pengolahan Limbah Greywater Domestik menggunakan Sistem Hidroponik dengan Filter Ampas Kopi Nisa Nurhidayanti; Dodit Ardiatma; Tata Tarnita
Jurnal Tekno Insentif Vol 15 No 1 (2021): Jurnal Tekno Insentif
Publisher : Lembaga Layanan Pendidikan Tinggi Wilayah IV

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36787/jti.v15i1.394

Abstract

ABSTRAK Air limbah domestik merupakan produk hasil aktivitas manusia setiap hari yang perlu dilakukan pengolahan agar keberadaannya tidak mencemari lingkungan dan mengganggu kesehatan manusia. Air limbah yang dihasilkan dari kontrakan X cukup mengganggu estetika karena warnanya yang keruh dan berbau tidak sedap, sehingga perlu dilakukan pengolahan. Penelitian ini bertujuan untuk mengkaji efektivitas hidroponik tanaman dengan filter karbon aktif ampas kopi dalam menurunkan polutan limbah greywater domestik. Tahapan penelitian ini meliputi aklimatisasi, RFT, pengujian parameter polutan dan analisa data. Konsentrasi limbah optimum yang tidak menimbulkan kematian pada tanaman sebesar 40% v/v. Hasil pengujian parameter selama tujuh hari didapatkan efektivitas penurunan polutan BOD sebesar 80.65%, COD sebesar 70.59%, TSS sebesar 79,17%, TDS sebesar -1,82%, fosfat sebesar -62,22% dan detergen sebesar -93,33% dan pH sebesar -0,75%. Artinya penelitian ini efektif untuk menurunkan polutan BOD, COD dan TSS, namun tidak efektif untuk menurunkan polutan TDS, fosfat dan detergen. Penelitian ini perlu ditindaklanjuti dengan mengkaji efektifitas penurunan polutan NH3 dan total coliform yang terkandung pada limbah domestik. ABSTRACT Household wastewater is a product of daily human activities that need to be treated so that does not pollute the environment and disturbing human health. The waste water generated from the rented house X is quite disturbing aesthetics because of the cloudy warning and bad odor, so it needs to be treated. This study aims to examine the hydroponic authority of plants with activated carbon coffee grounds filters in reducing household waste pollution. The stages of this research include acclimatization, RFT, testing of pollutant parameters and data analysis. The optimal concentration of waste which does not cause death in plants is 40% v / v. The parameter testing result for seven days showed the effectiveness of reducing BOD pollutants by 80.65%, COD 70.59%, TSS 79.17%, TDS -1.82%, phosphate -62.22% and detergent - 93.33% and pH -0.75%. The research is effective in reducing BOD, COD and TSS pollutants, but not effective for reducing TDS pollutants, phosphates and detergents. This research needs to be followed up by examining the effectiveness of reducing NH3 and total coliform contaminants which is contained in domestic waste.
Dampak Cemaran Residu Klorpirifos Terhadap Penurunan Kualitas Lingkungan pada Lahan Pertanian Supriyanto Supriyanto; Nisa Nurhidayanti; Harry Fadillah Pratama
Jurnal Tekno Insentif Vol 15 No 1 (2021): Jurnal Tekno Insentif
Publisher : Lembaga Layanan Pendidikan Tinggi Wilayah IV

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36787/jti.v15i1.395

Abstract

Abstrak Bawang merah merupakan salah satu komoditas hortikultural penting yang dikonsumsi oleh penduduk Indonesia. Insektisida golongan organofosfat yang digunakan petani bawang merah mengandung senyawa klorpirifos. Penggunaan pestisida dengan intensitas yang terlalu tinggi dan berkelanjutan menimbulkan berbagai masalah kesehatan dan pencemaran lingkungan, penurunan produktivitas tanah, keracunan pada hewan dan manusia. Penelitian ini menganalisis dampak cemaran residu klorpirifos terhadap penurunan kualitas lingkungan pada lahan pertanian. Metode pengambilan sampel menggunakan purposive sampling. Penentuan kadar residu klorpirifos dalam tanah menggunakan gas kromatografi dengan detektor ECD dan uji regresi linear. Kadar residu klorpirifos terbesar pada penggunaan insektisida dengan konsentrasi 1,0% atau 10.000 mg/kg yaitu sebesar 1,83 mg/kg. Hasil pengujian sampel A, B, C, D dan E menunjukkan tingginya kadar residu klorpirifos karena melebihi batas maksimum residu klorpirifos sebesar 2 mg/kg. Dampak cemaran residu klorpirifos dalam tanah dapat menyebabkan perubahan pH, turunnya jumlah organisme dalam tanah serta turunnya kandungan C-organik dan N-total tanah. Abstract Shallots are one of the important horticultural commodities that are consumed by Indonesians. The organophosphate class insecticide used by shallot farmers contains chlorpyrifos compounds. The use of pesticides with too high intensity and sustainable causes various health problems and environmental pollution, decreased soil productivity, is potentially poisoning to animals and humans. The study analysed the impact of chlorpyrifos residue contamination on environmental quality degradation in agricultural land. The sampling method used was purposive sampling.The determination of chlorpyrifos residue in the soil was undertakeun using gas chromatography with an ECD detector and a linear regression test. The highest residual chlorpyrifos concentration was found in the use of insecticides with a concentration of 1.0% or 10,000 mg / kg, which was 1.83 mg / kg. The test results of samples A, B, C, D and E showed high levels of chlorpyrifos residue because they exceeded the maximum residue limit of 2 mg / kg chlorpyrifos. The impact of chlorpyrifos residue contamination in the soil can cause pH changes, a decrease in the number of organisms in the soil and a decrease in the total soil C-organic and N-content.
Studi Pengolahan Limbah Cair Laundry menggunakan Serbuk Biji Asam Jawa sebagai Biokoagulan Nisa Nurhidayanti; Nur Ilman Ilyas; Dema Puji Lazuardini
Jurnal Tekno Insentif Vol 16 No 1 (2022): Jurnal Tekno Insentif
Publisher : Lembaga Layanan Pendidikan Tinggi Wilayah IV

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36787/jti.v16i1.453

Abstract

Abstrak Banyaknya usaha laundry yang membuang limbahnya secara langsung ke lingkungan sehingga mencemari badan air. Pemanfaatan biokoagulan seperti biji asam jawa dapat menjadi salah satu alternatif pengolahan air limbah. Penelitian ini bertujuan untuk mengetahui pengaruh serbuk biji asam jawa dalam menurunkan kontaminan COD, TSS, fosfat dan minyak lemak pada limbah cair laundry Taman Sentosa, Kecamatan Cikarang Selatan, Kabupaten Bekasi, Jawa Barat. Metode yang digunakan adalah eksperimen laboratorium meggunakan prinsip flokulasi koagulasi. Pada penelitian ini digunakan variasi dosis koagulan 1500 mg/L; 2500 mg/L; 3000 mg/L; 3500 mg/L dan 4000 mg/L. Hasil penelitian sebelum penambahan koagulan adalah kadar COD sebesar 3.160 mg/L, kadar TSS sebesar 703 mg/L, kadar fosfat sebesar 4,20 mg/L dan kadar minyak lemak sebesar 25,25 mg/L. Setelah penambahan koagulan serbuk biji asam jawa mampu menurunkan kadar COD dengan efisiensi penyisihan sebesar 30,75%. Sedangkan efisiensi serbuk biji asam jawa dalam menurunkan TSS sebesar -7,26%, fosfat sebesar -2,38% dan minyak dan lemak sebesar -596,63%. Berdasarkan hasil tersebut maka serbuk biji asam jawa tidak efektif untuk menurunkan kadar COD, TSS, fosfat dan minyak lemak karena belum mampu memenuhi baku mutu buangan limbah industri laundry. Abstract Many laundry businesses dispose of their waste directly into the environment, thus polluting water bodies. The use of biocoagulants such as tamarind seeds can be an alternative for wastewater treatment. This study aims to determine the effect of tamarind seed powder in reducing contaminants of COD, TSS, phosphate and fatty oil in Sentosa Park laundry wastewater, Cikarang Selatan District, Bekasi Regency, West Java. The method used is a laboratory experiment using the principle of coagulation flocculation. This study used a coagulant dose variation of 1500 mg / L; 2500 mg / L; 3000 mg / L; 3500 mg / L and 4000 mg / L. The results of the study before the addition of coagulants were COD levels of 3.160 mg / L, TSS levels of 703 mg / L, phosphate levels of 4.20 mg / L and fatty oil content of 25.25 mg / L. After the addition of coagulant tamarind seed powder, it was able to reduce COD levels with a removal efficiency of 30.75%. Meanwhile, the efficiency of tamarind seed powder in reducing TSS was -7.26%, phosphate was -2.38% and oil and fat was -596.63%. Based on these results, tamarind seed powder is not effective in reducing levels of COD, TSS, phosphate and fatty oil because it has not been able to meet the quality standards of industrial laundry waste disposal.
Studi Kinetika Reaksi Pembuatan Biodiesel dari Minyak Nyamplung Menggunakan Iradiasi Microwave Nisa Nurhidayanti
Jurnal Tekno Insentif Vol 12 No 2 (2018): Jurnal Tekno Insentif
Publisher : Lembaga Layanan Pendidikan Tinggi Wilayah IV

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (387.364 KB) | DOI: 10.36787/jti.v12i2.100

Abstract

Abstrak -Minyak nyamplung (Calophyllum inophyllum Linn) adalah salah satu bahan baku yang potensial untuk produksi biodiesel karena kandungan minyaknya yang tinggi. Minyak nyamplung mengandung asam lemak bebas yang tinggi, proses pretreatment dalam penelitian ini dapat mereduksi asam lemak bebas dari 27,978 % menjadi 1,269% sehingga minyak dapat dilanjutkan pada proses transesterifikasi. Iradiasi microwave digunakan pada proses transesterifikasi sebagai metode alternatif yang lebih cepat dibandingkan dengan metode refluks konvensional. Tujuan penelitian ini untuk mengidentifikasi metil ester dalam produk, mengkaji kinetika reaksi pembuatan biodiesel dan mengkaji pengaruh penggunaan iradiasi microwave terhadap energi aktivasi dan laju reaksi transesterifikasi dibandingkan dengan metode konvensional. Power microwave (100, 200 dan 400W), waktu iradiasi (5, 7, 10, 12 dan 15 menit) dan suhu reaksi (50, 55, 60, 65 dan 70 oC) digunakan sebagai parameter penelitian. Kondisi operasi terbaik menggunakan power microwave 200W pada suhu 65 oC selama 5 menit, yield biodiesel maksimal sebesar 84,62% dan sifat fisik biodiesel telah memenuhi standar SNI 04-7182-2006, ASTM 6751-02 dan EN-14214. Biodiesel nyamplung mengandung 30,23% metil oleat, 25,76% metil linolelaidat, 19,21% metil palmitat, 15,75% metil stearat, 2,11% metil lignocerat, 1,41% metil eicosanoic, 0,54% metil behenate dan 0,37% metil palmitoleat. Biodiesel nyamplung dengan iradiasi microwave memiliki energi aktivasi (Ea) sebesar 2579,834 J/mol, faktor tumbukan (A) sebesar 1,0161 L/mol menit, laju reaksi transesterifikasi (rt) = 1,0161e(-2579,834/RT) [ME] dan waktu reaksi selama 5 menit. Sedangkan biodiesel nyamplung dengan metode konvensional memiliki energi aktivasi (Ea) sebesar 4831,265 J/mol, faktor tumbukan (A) sebesar 0,3772 L/mol, laju reaksi transesterifikasi (rt)=0,3772 e(-4831,265/RT)[ME] dan waktu reaksi selama 30 menit. Hasil penelitian menunjukkan penggunaan iradiasi microwave dapat meningkatkan laju reaksi transesterifikasi, menurunkan energi aktivasi dan mengurangi waktu reaksi menjadi 1/6 kali lebih cepat dibandingkan metode konvensional. Abstract - Nyamplung (Calophyllum inophyllum Linn) is an potential feedstock for biodiesel production because of its high oil content. As nyamplung oil contains high free fatty acid, a pretreatment process in this research was carried out to reduce the amount of FFA from 27.498 wt% to 1.269 wt% so that the oil can be resumed in the transesterification process. Microwave irradiation is used in the transesterification process as an alternative method that is faster than the conventional reflux method.The purpose of this research was to study identify methyl ester in the product, examine the kinetics of biodiesel and assess the effect of using microwave irradiation to activation energy and the rate of transesterification reactions compared to conventional methods. Microwave power (100, 200 and 400W), reaction time (5, 7, 10, 12 and 15 minutes) and reaction temperature (50, 55, 60, 65 and 70 oC) were selected as experimental parameters. The optimum conditions for transesterification process is using microwave power of 200W at 65 ° C for 5 minutes to obtain yield biodiesel of 84.62% and physical properties biodiesel meet the standard of SNI 04-7182-2006, ASTM 6751-02 and EN-14214. Nyamplung biodiesel contains about 30.23% of methyl oleic, 25.76% of methyl linolelaidate, 19.21% of methyl palmitic, 15.75% of methyl stearic, 2.11% of methyl lignoceric, 1.41 % of methyl eicosanoic, 0.54% of methyl behenate and 0.37% of methyl palmitoleic. Nyamplung biodiesel preparation using microwave irradiation has the activation energy (Ea) of 2579.834 J / mol, collision factor (A) of 1.0161 L/mol min, the rate of transesterification reaction (rt) = 1,0161e (-2,579.834 / RT ) [ME] and reaction time of 5 minutes. Nyamplung biodiesel preparation using the conventional method has the activation energy (Ea) of 4831.265 J / mol, collision factor (A) of 0.3772 L / mol and the rate of the transesterification reaction (rt) = 0.3772 e (-4,831.265 / RT) [ME] and reaction time of 30 minutes. The results showed the use of microwave irradiation increases the rate of transesterification reaction, lowering the activation energy and reduce the reaction time becomes 1/6 times faster than conventional methods.
STUDI KOMPARASI PENURUNAN KESADAHAN MENGGUNAKAN SERBUK ECENG GONDOK TERAKTIVASI ASAM DAN BASA DENGAN SISTEM KANTONG CELUP Nisa Nurhidayanti; Supriyanto Supriyanto; Yuli Winarto
Jurnal Sains & Teknologi Lingkungan Vol. 13 No. 2 (2021): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol13.iss2.art2

Abstract

Eceng gondok merupakan salah satu jenis tumbuhan air yang mempunyai kemampuan menyerap dan mengakumulasi logam berat. Pemakaian air sadah yang lama dapat menimbulkan gangguan ginjal. Air sumur di Komplek PJKA RT 01 / RW 01 Dusun Tanjungsari Lemah Abang Cikarang Utara mengandung kesadahan tinggi. Penelitian ini bertujuan untuk mengetahui kefektifan adsorben eceng gondok teraktivasi HCl 3M dan NaOH 2% dengan variasi massa dalam menurunkan kadar kesadahan air sumur gali. Penelitian ini merupakan penelitian eksperimental dengan desain penelitian uji pendahuluan untuk mengetahui kadar kesadahan awal kemudian dikontakkan dengan serbuk eceng gondok teraktivasi. Hasil penelitian menunjukkan bahwa adsorben eceng gondok teraktivasi HCl 3 M dengan variasi dosis 0,5 g mampu mengapsorpsi kesadahan sebesar 11,15% dengan nilai kesadahan teradsorpsi sebesar 62,5 mg/L dan nilai kesadahan menjadi 498 mg/L. Sedangkan adsorben eceng gondok teraktivasi NaOH 2% dengan variasi dosis 0,1 g mampu mengapsorpsi kesadahan sebesar 34,5 mg/l atau dengan persen adsorpsi sebesar 6,16% dan nilai kesadahan menjadi 526 mg/L.
Efek Penggunaan Iradiasi Microwave Dalam Pembuatan Biodiesel Minyak Nyamplung (Calophyllum Inophyllum Linn) Nisa Nurhidayanti
Jurnal Pelita Teknologi Vol 12 No 1 (2017): Volume 12 Nomor 1 April 2017
Publisher : DPPM Universitas Pelita Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (452.391 KB)

Abstract

Abstrak Penggunaan biodiesel dilakukan untuk menggantikan penggunaan bahan bakar fosil yang persediaannya semakin berkurang. Bahan baku biodiesel yang baik menggunakan bahan non pangan sehingga penggunaannya tidak berkompetisi dengan kebutuhan pangan. Nyamplung (Calophyllum inophyllum Linn) adalah satu tanaman nonpangan yang berpotensi menghasilkan randemen biodiesel yang tinggi. Minyak nyamplung dalam penelitian ini memiliki kandungan FFA sebesar 27,498%, oleh karena itu diperlukan proses pretreatment yang terdiri dari degumming untuk menghilangkan getah, esterifikasi dan netralisasi untuk menurunkan FFA < 2% agar minyak dapat dilanjutkan pada proses transesterifikasi. Tujuan penelitian ini untuk mengkaji pengaruh daya microwave, waktu dan suhu reaksi terhadap yield biodiesel. Transesterifikasi dilakukan dengan menggunakan variasi daya (100, 200 dan 400W), variasi waktu (5, 7, 10, 12 dan 15 menit) dan variasi suhu (50, 55, 60, 65 dan 70 oC). Hasil penelitian menunjukkan kondisi terbaik menggunakan power microwave 200W pada suhu 65 oC selama 5 menit, yield biodiesel maksimal sebesar 84,62% dan sifat fisik biodiesel telah memenuhi standar SNI 04-7182-2006, ASTM 6751-02 dan EN-14214. Hasil penelitian menunjukkan penggunaan iradiasi microwave dapat mengurangi waktu reaksi transesterifikasi menjadi 1/6 kali lebih cepat dibandingkan metode konvensional. Kata kunci: Efek, biodiesel, microwave, minyak nyamplung