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All Journal JAST : Jurnal Aplikasi Sains dan Teknologi Walisongo Journal of Chemistry Indonesian Journal of Chemistry and Environment
Suci Permata Sari
Universitas Islam Negeri Raden Fatah Palembang
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering Environmental Science Materials Science & Nanotechnology Other

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Penerapan Teknologi Pengolahan Limbah Biomassa Menjadi Asap Cair di Desa Sungai Dua Banyuasin Mariyamah Mariyamah; Nurul Kholidah; Suci Permata Sari
JAST : Jurnal Aplikasi Sains dan Teknologi Vol 4, No 2 (2020): EDISI DESEMBER 2020
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/jast.v4i2.2053

Abstract

ABSTRAK Desa Sungai Dua Banyuasin didominasi tanaman pertanian dan perkebunan yaitu padi, karet dan kelapa. Pada masa panen, limbah biomassa yang berupa sekam padi, tempurung biji karet dan tempurung kelapa sangat berlimpah dan belum dimanfaatkan secara optimal. Salah satu teknologi yang dapat mengolah limbah biomassa yaitu Unit Thermal Cracking. Alat ini menggunakan teknologi pirolisis yang dapat mengolah limbah biomassa menjadi asap cair dan arang. Kegiatan ini bertujuan untuk membantu masyarakat dalam pengolahan limbah biomassa menjadi asap cair yang memiliki banyak manfaat. Kegiatan pengabdian ini dilakukan dengan beberapa tahap yaitu a) Penyuluhan dengan tujuan memberikan informasi dan meningkatkan pemahaman masyarakat dalam mengolah limbah biomassa, b) Difusi iptek melalui pembuatan Unit Thermal Cracking, c) Pelatihan dalam menjalankan alat dan membuat asap cair. Kegiatan ini diikuti masyarakat secara antusias dengan membuat asap cair secara mandiri. Pada akhir kegiatan dilakukan serah terima alat dengan perangkat desa Sungai Dua Banyuasin. Dengan adanya kegiatan ini diharapkan dapat meningkatkan pengetahuan dan keterampilan dalam mengatasi limbah biomassa serta menghasilkan asap cair yang memiliki banyak manfaat.Kata kunci : biomassa; pirolisis; asap cair. ABSTRACT Sungai Dua Banyuasin village is dominated by agricultural and plantation crops, namely rice, rubber, and coconut. During the harvest period, biomass waste in rice husks, rubber seed shells, and coconut shells is very abundant and has not been used optimally. One of the technologies that can treat biomass waste is Unit Thermal Cracking. This tool uses pyrolysis technology so that it can process biomass waste into liquid smoke and charcoal. This activity aims to help the community process biomass waste and provide product solutions that can eliminate bad odors in the rubber processing process. Community service partners are the community, especially farmer groups and village officials in Sungai Dua Banyuasin. This service activity was carried out in several stages, including a) Counseling to provide information and increase understanding public in processing biomass waste, b) Diffusion of science and technology through the manufacture of Thermal Cracking Units, c) Training in running tools and making liquid smoke. This activity was followed by the community enthusiastically by making liquid smoke independently. At the end of the activity, the handover of equipment was carried out with Sungai Dua village officials.
Phytochemical Screening and Larvicidal Activity of Kebiul (Caesalpinia Bonduc. L) Seed Kernel Against Aedes Aegypti Mosquito Popi Rantina; Dwi Fitri Yani; Suci Permata Sari; Dany Raihan
Walisongo Journal of Chemistry Vol 5, No 1 (2022): Walisongo Journal of Chemistry
Publisher : Department of Chemistry Faculty of Science and Technology Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjc.v5i1.9476

Abstract

Dengue Hemorrhagic Fever (DHF) is caused by an infected A. aegypti mosquito, which can cause serious bleeding, a sudden drop in blood pressure and even death. Kebiul seed kernel extract is thought to contain flavonoid compounds, terpenoids, saponins and steroids that can be used as larvicides. The purpose of this study was to determine the toxicity of the extract, n-hexane fraction, and ethanol fraction of kernel seed (C. bonduc. L) against A. aegypti mosquito larvae.  This study used the methods of extraction, phytochemical screening, and toxicity tests by calculating larval mortality. Based on the results of phytochemical screening, extract of kernel seed (C. bonduc. L) contains tannins, flavonoids, alkaloids, steroidal saponins and terpenoids. Toxicity test (LC50 values) of extract, n-hexane fraction, and ethanol fraction of kernel seed (C. bonduc. L) are 368,566 g/mL, 483,010 g/mL, 338,361 g/mL. The LC50 value 1000 ppm has a toxic effect, so the kernel seed has the potential to be used as a larvicide.
Antioxidant Activity Testing of Extract Kweni Peel (Mangifera odorata Griff) Yolanda Dwi Lestari; Suci Permatasari; Ade Oktasari
Indonesian Journal of Chemistry and Environment Vol 3, No 2 (2020): DECEMBER 2020
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (685.361 KB) | DOI: 10.21831/ijce.v3i2.43508

Abstract

This research aims to test the antioxidant activity of extract kweni peel (Mangifera odoratta Griff). The antioxidant testing was performed by maceration using the solvents of n-hexane and ethanol 96% after that it was fractioned using ethyl acetate solvent. The phytochemical tests yield positive results from ethyl acetate extract were flavonoids and tannins. The antioxidant testing was carried out using the DPPH method (2,2, diphenyl-1-picrylhydrazyl) based on the inhibition concentration test parameters (IC50). The result showed that the antioxidant activity (IC50) found to be 169.43 µg/mL which was classified as moderate antioxidant activity intensity. Therefore, it can be concluded that the extract of kweni peel (Mangifera odoratta Griff) has potential antioxidant activity that could be used as an inhibitor of free radicals.
Co-Authors Ade Oktasari Dany Raihan Dwi Fitri Yani Mariyamah Mariyamah Nurul Kholidah Popi Rantina Yolanda Dwi Lestari