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All Journal Jurnal Teknologi Eksergi: Chemical Engineering Journal Jurnal Teknologi
Hadi, Faizah
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Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Pengaruh Pelarut, Rasio Pelarut, dan Waktu Ekstraksi Terhadap Astaxanthin dari Haematococcus sp. dengan Bantuan Ultrasound Assisted Extraction Putri, Wilda Ayu; Al Maqsidi, Muhammad Ariq; Achmad, Zubaidi; Hadi, Faizah; Nur, Muhamad Maulana Azimatun
Eksergi Vol 20, No 3 (2023)
Publisher : Prodi Teknik Kimia, Fakultas Teknologi Industri, UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/e.v20i3.10733

Abstract

Indonesia merupakan negara kepulauan dengan keanekaragaman hayati sehingga memilliki potensi bagi perairan Indonesia untuk mikroalga dapat tumbuh dan berkembang. Mikroalga Haematococcus sp. dikenal mengandung senyawa karotenoid, khususnya senyawa astaxanthin. Astaxanthin berkhasiat sebagai antioksidan yang dapat dimanfaatkan sebagai suplemen kesehatan. Penelitian ini bertujuan untuk mengetahui pengaruh jenis pelarut, volume pelarut, dan lama waktu ekstraksi terhadap kadar astaxanthin. Ekstraksi dilakukan dengan metode Ultrasound Assisted Extraction (UAE). Penelitian ini menggunakan metode percobaan dengan Rancangan Acak Lengkap (RAL) factorial dengan tiga variabel bebas yaitu jenis pelarut, volume pelarut dan waktu ekstraksi pada proses ekstraksi. Pada penelitian ini dilakukan analisis kadar astaxanthin dalam Haematococcus sp.yang diperoleh dari hasil kultivasi sendiri, kemudian dilakukan pengukuran kadar astaxanthin menggunakan spektrofotometri UV-Vis pada panjang gelombang 478 nm. Hasil pengukuran menunjukkan kadar astaxanthin tertinggi pada variasi pelarut aseton dengan volume 10 ml lama waktu 25 menit sebesar 0,0677%. 
Optimasi Proses Pembuatan Asap Cair dari Tempurung Kelapa Melalui Response Surface Methodology (RSM) Kholisoh, Siti Diyar; Achmad, Zubaidi; Hadi, Faizah
Jurnal Teknologi Vol 16 No 2 (2023): Jurnal Teknologi
Publisher : Jurnal Teknologi, Fakultas Teknik, Universitas AKPRIND Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/jurtek.v16i2.4552

Abstract

Response Surface Methodology (RSM) is a collection of mathematical and statistical techniques that are useful for analyzing complex processes that are influenced by several variables. This research aimed to apply RSM in optimizing the process of making liquid smoke from coconut shell pyrolysis. Optimum process conditions were reviewed based on the content of several functional compounds in liquid smoke including carbonyl content, phenol content, and acid content. The process variables comprised pyrolysis temperature (within the temperature range of 350 oC as low level (-1) and 450 oC as high level (+1)), pyrolysis time (within the range of 45 minutes as low level (-1) and 75 minutes as high level (+1)), and the water content in the coconut shell (within the range of 10% water content as low level (-1) and 20% as high level (+1)). This study results showed that the best carbonyl content in liquid smoke was 3.58% at temperature of 395 oC, pyrolysis time of 60 minutes, and water content of 16%. The optimum phenol content of 5.55% was achieved with a combination of pyrolysis time of 65 minutes and water content of 15.5%. Based on the acid content, an optimum value of 19.55% was obtained at a combination of pyrolysis time of 62 minutes and water content of 15.5%. The hypothesis H0 could be accepted statistically for the carbonyl content.
Penyisihan Kandungan Perak dalam Limbah Cair Pencucian Film Melalui Proses Biofiltrasi dengan Tanaman Eceng Gondok Diyar Kholisoh, Siti; Wahyu Widayati, Tunjung; Achmad, Zubaidi; Hadi, Faizah
Jurnal Teknologi Vol 17 No 1 (2024): Jurnal Teknologi
Publisher : Jurnal Teknologi, Fakultas Teknik, Universitas AKPRIND Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/jurtek.v17i1.4678

Abstract

Wastewater produced from the film washing process in photo studios generally has very high contents of heavy metals, such as silver (Ag). This situation can cause various health and environmental problems if it is not treated before disposal. Therefore, this research was aimed to reduce the silver content in the wastewater through biological processes. This study was conducted using a biofiltration process using water hyacinth plants. Film washing waste was first acclimatized into concentration of 2.5% and the initial silver content was measured. Afterwards, water hyacinth of 600, 900, 1200, and 1500 g, respectively, was planted into the wastewater. Waste samples were subsequently taken and analyzed every 2 days. The highest removal efficiency of 99.94% was yielded for 1500 g of plant. In this condition, the silver content in wastewater met the environmental quality standards.
Penyisihan Kandungan Perak dalam Limbah Cair Pencucian Film Melalui Proses Biofiltrasi dengan Tanaman Eceng Gondok Diyar Kholisoh, Siti; Wahyu Widayati, Tunjung; Achmad, Zubaidi; Hadi, Faizah
Jurnal Teknologi Vol 17 No 1 (2024): Jurnal Teknologi
Publisher : Jurnal Teknologi, Fakultas Teknik, Universitas AKPRIND Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/jurtek.v17i1.4678

Abstract

Wastewater produced from the film washing process in photo studios generally has very high contents of heavy metals, such as silver (Ag). This situation can cause various health and environmental problems if it is not treated before disposal. Therefore, this research was aimed to reduce the silver content in the wastewater through biological processes. This study was conducted using a biofiltration process using water hyacinth plants. Film washing waste was first acclimatized into concentration of 2.5% and the initial silver content was measured. Afterwards, water hyacinth of 600, 900, 1200, and 1500 g, respectively, was planted into the wastewater. Waste samples were subsequently taken and analyzed every 2 days. The highest removal efficiency of 99.94% was yielded for 1500 g of plant. In this condition, the silver content in wastewater met the environmental quality standards.
Co-Authors Achmad, Zubaidi Al Maqsidi, Muhammad Ariq Diyar Kholisoh, Siti Muhamad Maulana Azimatun Nur Putri, Wilda Ayu Siti Diyar Kholisoh, Siti Diyar Tunjung Wahyu Widayati