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Peningkatan Karakteristik Biodegradable Plastics dari Kulit Pisang Candi dengan Penambahan Filler Kalsium Silikat dan Clay S. Sigit Udjiana; Sigit Hadiantoro; Anang Takwanto; Anugrah Windy Mustikarini
Jurnal Teknik Kimia dan Lingkungan Vol. 4 No. 2 (2020): October 2020
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1123.455 KB) | DOI: 10.33795/jtkl.v4i2.135

Abstract

Biodegradable plastics adalah plastik yang memiliki sifat ramah lingkungan. Kulit pisang candi berpotensi digunakan sebagai bahan dasar pembuatan bioplastik karena mengandung pati sebesar 28,488 %. Penelitian ini bertujuan untuk mengetahui pengaruh plasticizer (sorbitol) dan filler (kalsium silikat dan clay) terhadap kuat tarik, % elongasi, % biodegradasi dan % absorpsi bioplastik. Berdasarkan hasil yang diperoleh, semakin banyak filler clay atau kalsium silikat maka bioplastik memiliki kuat tarik yang besar dan % elongasi yang semakin kecil. Semakin banyak clay yang ditambahkan maka semakin besar daya absorpsi terhadap air, namun semakin banyak kalsium silikat yang ditambahkan maka semakin kecil daya absorpsi terhadap air. Semakin banyak filler kalsium silikat dan clay maka semakin kecil % biodegradasi bioplastik. Semakin banyak jumlah sorbitol yang ditambahkan maka semakin besar % elongasi, % biodegradasi dan % water absorption namun semakin kecil % kuat tarik. Bioplastik dengan penambahan filler kalsium silikat memiliki kuat tarik antara 4,11-22,08 Mpa, % elongasi antara 2,17%-57,95%, % water absorption antara 67,26%-120% dan %biodegradasi antara 0,61%-19,22%. Bioplastik dengan penambahan filler clay memiliki kuat tarik antara 2,38-14,05 Mpa, %elongasi antara 2,11%-46,24%, % water absorption antara 79,07%-150,67% dan %biodegradasi antara 1,17%-34,54%. Biodegradable plastics is plastic which has environmentally properties. Candi banana peels potential to be used as a basic material for making bioplastics because it contains 28,488% starch. The aims of our research is to determine the effect of plasticizer (sorbitol) and filler (calcium silicate and clay) on tensile strength, elongation (%), biodegradation (%) and bioplastic absorption (%). Based on the result, the more amount of calcium silicate or clay filler added, the larger tensile strength and the smaller % elongation. The more amount of clay added, the greater absorption capacity of water, but the more calcium silicate added, the smaller absorption capacity of water. The more amount calcium silicate filler added, the smaller the biodegradation of bioplastic, but in the data based on clay filler, % biodegradation decreased. The more amount of sorbitol added, the greater % elongation, % biodegradation and % water absorption, but the smaller % tensile strength. Bioplastics with calcium silicate as filler has tensile strength between 4.11-22.08 Mpa, % elongation between 2.17% -57.95%, % water absorption between 67.26% -120% and % biodegradation between 0.61-19.22%. Bioplastics with clay as filler has tensile strength between 2.38-14.05 MPa, % elongation between 2.11%-46.24%, % water absorption between 79.07%-150.67% and % biodegradation between 1,17% -34.54%.
PELATIHAN PEMBUATAN PUPUK BOKASHI DI PONDOK PESANTREN RAUDHATUL MADINAH KOTA BATU Anugrah Windy Mustikarini; Anugrah Windy Mustikarini; Achmad Sjaifullah; Arief Budiono; Zakijah Irfin
Jurnal Pengabdian kepada Masyarakat Vol. 10 No. 1 (2023): JURNAL PENGABDIAN KEPADA MASYARAKAT 2023
Publisher : P3M Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/abdimas.v10i1.4240

Abstract

Community service through various forms of activities (PPM) is a manifestation of the commitment of the Department of Chemical Engineering at the State Polytechnic of Malang in implementing the Tri Dharma of Higher Education. The purpose of this PPM is to help meet the training needs of the Raudhatul Madinah Islamic Boarding School in order to improve the skills of students. One of the trainings that can be done is training on making bokasi fertilizer by utilizing surrounding waste. Aspects of the problems resolved in this PPM Program are improving the ability, competence, and understanding of the target audience as well as the utilization of waste into higher value products. This PPM activity consists of several activities, including: 1) Assistance in making bokashi fertilizer, 2) Delivery of materials for making bokashi fertilizer. The results of the PPM showed an increase in participants' knowledge and skills in making bokashi fertilizer. Furthermore, several PPM achievements that have been achieved include: Articles published in national journals with ISSN, and publication of activities on social media.