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Journal : Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE)

Determination of moisture diffusivity and activation energy on fixed bed drying of red pepper (Capsicum annum) on convective solar drying Siti Asmaniyah Mardiyani; Sumardi Hadi Sumarlan; Bambang Dwi Argo; Amin Setyo Leksono
Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Vol 4, No 2 (2021)
Publisher : Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.afssaae.2021.004.02.4

Abstract

Moisture diffusivity and activation energy are two important variables in a drying process to understand a certain product's drying behavior. This study aimed to determine the value of effective moisture diffusivity and the activation energy of red pepper in a conventional forced convective drying based on electricity (conventional convective drying/CCD) and forced convective drying based on solar energy (convective solar drying/CSD). The value of effective moisture diffusivity was determined using the equation, which refers to Fick’s second law. The Arrhenius equation determines the activation energy value as a model of the relationship of inverse temperature and the normal logarithmic value of effective moisture diffusivity. The results showed that the values of effective moisture diffusivity of CCD 70 °C were the highest. The regression analysis between the drying layers (X), and effective moisture diffusivity (Y) showed a polynomial pattern with a coefficient determination R2 value of 0.85 (CCD 70 °C), 0.81 (CCD 60 °C), 0.88 (CCD 50 °C), and 0.48 (CSD). (R2)  The higher moisture diffusivity values in CCD indicated that the drying systems are more stable than CSD. The drying activation energy calculation showed that the value of CCD's activation energy was 36.36 kJ/mol.K, while the value of CSD's activation energy was 31.28 kJ/mol.K. Those results were consistent with the results of the previous studies. 
Co-Authors , Sunawan A. R. Darmawan Putra Abbas, Toh Bagus Abdul Basit Addelia Shakilla Addelia Shakilla Addieny Sugesti Afriadi, Andre Ainul Yaqin Akhmad Faruq Alhikami Amar Syaf Pirain Amin Setyo Leksono Amin Setyo Leksono Andre Afriadi Anis Rosyidah Anis Sholihah Anis Sholihah Assyfa, Isna Khofifah Aziz, Mahmud Abdul Azrina, Siti Nur Bajuber, Hasan Ainurridha A. Bakir Bakir Bambang Dwi Argo Buchori Muslim Buchori Muslim Cahyati, Ririn Delphia, Phila Desy Nofita Sari Dewi Ianah Dhea Alief Rahmasari dhea alief rahmasari didan faik fuadi Didit Hendrawan Diki Heru Frandika Dwi Susilowati Dwi Susilowati Eko Noerhayati Ena Marlina Fernandito Putra Khairuddin Frandika, Diki Heru gabrilla fergiawan listianto Hardianti Safitri Hasan Ainurridha A. Bajuber Hazel Muhamad Hendrawan, Didit Indah Maulidiyah Indiyah Murwani Indiyah Murwani Indiyah Muwarni irwan yudha pradana Istirochah Pujiwati Jofita, Dinda Dara Koti, Suhartini La Choviya Hawa lucky handy ardiansyah M. Hidayatullah M. Hidayatullah Mahayu Woro Lestari Mahmud Abdul Aziz Maria Ulfah Mas'ud Said Mochamad Irvan Syahroni Mohammad Fadli mohammad zubaidil asrori Muhamad, Hazel Muhammad Ainul Yaqin Muhammad Anggi Tiar Nugraha Muhammad Bima Bintang Mulya Muhammad Zamik Sofa Mulya, Muhammad Bima Bintang Murwani, Indiyah Nasrudin, Anas Nikmatul Khoiriyah Nour Athiroh Nugraha, Muhammad Anggi Tiar Nurhidayati, Nurhidayati Panji Eka Sukmana Phila Delphia Pirain, Amar Syaf Qur'ania, Anita Ririn Cahyati Safitri, Hardianti Santi Nur Aini santi nur aini Selvyana Meilanian Anggraeni SITI MUSLIKAH Siti Nur Azrina Sofa, Muhammad Zamik Solid Sukari Sugiarto Sugiarto Sugiarto Sugiarto Suhartini Koti Sukari, Solid Sukmana, Panji Eka Sumardi Hadi Sumarlan Sumardi Hadi Sumarlan Sunawan Sunawan Suprapto, Bambang Syahputra, Vicky Tri TATI NURHAYATI Taufikurrahman Taufikurrahman Toh Bagus Abbas Trismawati, Trismawati Vicky Tri Syahputra Wirateruna, Efendi S Yazirin, Cepi yuni aulia agustin Yusuf Wibisono Zuhanid Zamarudah Zuhanid Zamarudah