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All Journal Konversi CHEESA: Chemical Engineering Research Articles Prosiding Seminar Nasional Sains dan Teknologi Terapan Journal of Applied Sciences, Management and Engineering Technology (JASMET)
Nurull Fanani
Universitas WR Supratman
Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Journal : Konversi

 1 
SYNTHESIS OF ACTIVATED CARBON (AC) FROM BAMBOO WASTE AS A SUPPORT OF ZINC OXIDE (ZnO) CATALYST Nurull Fanani; Ika Fitri Ulfindrayani
Konversi Vol 8, No 2 (2019): Oktober 2019
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v8i2.7183

Abstract

Penelitian ini dilakukan untuk mengetahui karakteristik karbon aktif yang terbuat dari limbah bambu untuk dapat digunakan sebagai pendukung katalis Seng Oksida (ZnO). Limbah bambu yang diperoleh dari industri kerajinan bambu dan bekas pemasangan baliho ini di potong-potong terlebih dahulu agar dapat dimasukkan kedalam reaktor karbonisasi (kalsiner), kemudian dilakukan proses karbonisasi pada suhu 400oC selama 2 jam. Karbon yang dihasilkan dari proses karbonisasi diaktivasi dengan menggunakan H3PO4  kemudian di impregnasi dengan katalis Seng oksida (ZnO). Impregnasi dilakukan dengan perbandingan loading katalis yaitu 2,5%, 5% dan 10%. Katalis yang dihasilkan dalam penelitian ini kemudian dikarakterisasi dengan menggunakan BET untuk mengetahui luas permukaan dan XRD untuk menunjukkan kristalinitasnya. Sedangkan untuk identifikasi gugus karbon digunakan spektofotometer FTIR. Hasil dari karakterisasi BET menunjukkan luas permukaan sebesar  292.219 m2/g pada loading 10%, hasil XRD menunjukkan bahwa katalis yag telah diimpregnasi bersifat amorf atau tidak menunjukkan perubahan dan hasil FTIR menunjukkan bahwa karbon aktif yang diperoleh memiliki gugus fungsi OH, C-O, CH, C-OH, dan CH2.
ANOVA APPLICATION TO ASSESS THE EFFECT OF TEMPERATURE ON VALUE AND YIELD ON LIQUID FUEL FROM HDPE Nurull Fanani; Eky Novianarenti; Erlinda Ningsih; Kartika Udyani; Ari Prayitno; Denny Angga Saputra
Konversi Vol 10, No 1 (2021): April 2021
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v10i1.10340

Abstract

Proper processing to overcome the abundance of plastic waste is needed. Currently, pyrolysis technology is one method that can overcome plastic waste. Pyrolysis is a thermochemical process, which breaks down long alkyl chains into hydrocarbons at high temperatures. This study aims to determine the effect of temperature on yield and heating value using the analysis of variance (ANOVA) method. The pyrolysis of plastic waste is carried out with HDPE plastic material. The pyrolysis process is carried out in a reactor with 50 grams of feed at various temperatures of 500, 550, 600 and 650⁰C. The conclusion that can be drawn from this research is that there is a decrease in yield and calorific value with increasing temperature. The results of the analysis concluded that temperature had an effect on the yield produced and the calorific value of the product. The best yield was obtained at 35.86% and a heating value of 10530.461cal / g at a temperature of 100oC. Based on the results of data analysis using the ANOVA method, it was found that the experimental hypothesis was that temperature had an effect on yield and calorific value.
Utilization of pineapple stems as biocatalysts in the production of coconut oil using the enzymatic method Fanani, Nurull; Nisa, Nur Ihda Farikhatin; Siswoyo, Deddy Kurniawan Putra; Tuhuloula, Abubakar; Putri, Novy Pralisa
Konversi Vol 14, No 1 (2025): APRIL 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v14i1.22233

Abstract

The utilization of pineapple fruit stems as a by-product of the agricultural process has not been optimally utilized. Meanwhile, pineapple fruit stems have promising economic potential in the field of biotechnology and food processing. This is because pineapple fruit stems contain bromelain enzyme which is quite high compared to ripe fruit flesh, which is around 0.1-0.6%. This bromelain enzyme functions as a biocatalyst in breaking down protein and fat through the hydrolysis reaction of coconut oil. So to find out the catalytic activity of bromelain enzyme in pineapple fruit stems, the process of making coconut oil is carried out enzymatic method through variable addition of doses of 20, 30, 40, and 50% of the weight of coconut milk and enzymatic time duration of 6, 12, 18, and 24 hours. Based on the research results, the best variable is the addition of 30% biocatalyst dose and 24 hours of enzymatic process with the highest yield percentage of 67.9% and product characteristics that have met SNI 7381: 2008. This shows that pineapple fruit stems have the potential as a good biocatalyst in making coconut oil as well as providing added value to pineapple fruit stems in an effort to verify agricultural waste.
Co-Authors A'yuni, Qurrota Abubakar Tuhuloula Agus Budianto Ari Prayitno Denny Angga Saputra Devi Lestari Eky Novianarenti Erlinda Ningsih Gaol, Binaria Lumban Ika Fitri Ulfindrayani Kartika Udyani Novy Pralisa Putri, Novy Pralisa Nur Ihda Farikhatin Nisa Nurani Ikhlas Siswoyo, Deddy Kurniawan Putra