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All Journal Eksergi: Chemical Engineering Journal
Dodi Eko Nanda
Department of Geographical Environment and Pollution Control, Zhejiang Normal University, China
Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Penelitian Terkini tentang Pengembangan Pemisahan dan Penangkapan Karbon dengan Membran Berbahan Dasar Polimer: Tinjauan Kebaruan Retno Dwi Nyamiati; Siti Nurkhamidah; Dodi Eko Nanda; Daniel Timotius; Mahreni Mahreni; Dian Purnami Handayani; Dwi Amalia; Alfathony Krisnabudhi
Eksergi Vol 20, No 2 (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.v20i2.9096

Abstract

Separation and capture of carbon dioxide (CO2) has become a very hot topic of discussion recently. The increasing amount of carbon dioxide in the environment makes environmental pollution very significant. Membrane technology is one of the alternative carbon separation processes that are increasingly in demand, because membrane technology provides excellent advantages in terms of energy requirements used, capital investment invested, and ease of operating equipment compared to other processes. Many membrane constituent materials can be used to be the basic material for making membranes, including polymeric materials. This review discusses the various polymeric materials that can be used as basic materials for gas membranes in terms of plasticization, constituent components, flexibility, and mechanical strength. It also provides an understanding of alternatives to improve the properties of polymer-based membranes.
Evaluasi Nilai Difusifitas Pelarut dan Konstanta Kecepatan Ekstraksi pada Isolasi Piperin Lada Hitam Mega Mustikaningrum; Desty Arista; Retno Dwi Nyamiati; Dodi Eko Nanda
Eksergi Vol 20, No 2 (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.v20i2.8996

Abstract

Piperine is a type of bioactive compound that can be isolated from black pepper. Currently the utilization of piperine is dominated by the health sector. In this study, piperine was isolated using the Soxhlet method. The purpose of this research is to propose a mathematical model to determine the value of the diffusivity (DA) of piperine, the extraction rate constant (k) and the piperine isolation equilibrium constant for commercial designs. Based on the results obtained the value of DA was obtained at 0.1878 m2/minute, the value of k was obtained at 0.0012 m/minute and the value of K was obtained at 0.900. Extraction was carried out using 96% ethanol solvent with a ratio of 25:1 to black pepper samples using the soxhletation method of 5 circulations. The resulting piperine extract was 55.46 mol/liter
Co-Authors Alfathony Krisnabudhi Daniel Timotius Desty Arista Dian Purnami Handayani Dwi Amalia Mahreni Mahreni Mega Mustikaningrum Nurkhamidah, Siti Nyamiati, Retno Dwi