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All Journal Seminar Nasional Teknik Kimia Kejuangan Konversi Jurnal Penelitian Karet Jurnal Nutrisi Ternak Tropis (JNT) REACTOR : Journal of Research On Chemistry And Engineering JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) Journal of Industrial Community Empowerment Jurnal Pengabdian Masyarakat Bangsa Maximus: Journal of Biological and Life Sciences TeknoKreatif: Jurnal Pengabdian kepada Masyarakat Journal Of Chemical Process Engineering Jurnal Bioteknologi & Biosains Indonesia (JBBI)
Deviany, Deviany
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Sosialisasi Pemanfaatan Asap Cair Hasil Karbonisasi Tempurung Kelapa di Perkebunan Karet PTPN VII Unit Kedaton deviany, deviany
TeknoKreatif: Jurnal Pengabdian kepada Masyarakat Vol 3 No 2 (2023): TEKNOKREATIF : Jurnal Pengabdian Kepada Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LP2M), Institut Teknologi Sumatera, Lampung, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/teknokreatif.v3i2.1131

Abstract

Tanaman kelapa merupakan salah satu komoditas sektor perkebunan yang mempunyai peran dan kontribusi penting bagi Kabupaten Lampung Selatan. Umumnya, tempurung kelapa sebagai hasil samping perkebunan hanya digunakan sebagai bahan baku pembuatan arang aktif. Mempertimbangkan potensi limbah tempurung kelapa yang belum dimanfaatkan secara maksimal, tim Pengabdian kepada Masyarakat (PKM) Institut Teknologi Sumatera (ITERA) merancang dan membangun tungku karbonisasi dan alat distilasi di desa Muara Putih, Natar yang menghasilkan produk arang aktif dan asap cair. Asap cair dapat dimanfaatkan sebagai biopestisida dan koagulan alami penggumpal lateks. Kegiatan sosialisasi pemanfaatan asap cair sebagai koagulan alami lateks dilaksanakan di Stasiun Penerimaan Lateks PT. Perkebunan Nusantara VII Unit Kedaton. Dilakukan demonstrasi langsung untuk membandingkan penggumpalan lateks oleh asap cair dan asam formiat sebagai koagulan kimia yang umum digunakan. Asap cair sebagai koagulan alami lateks memberikan waktu koagulasi yang lebih cepat dan menghasilkan lebih banyak koagulum. Sosialisasi ini memberikan informasi tentang nilai lebih pemanfaatan asap cair sebagai koagulan lateks kepada petani karet. Tungku karbonisasi dan unit distilasi yang dibangun oleh tim PKM mengolah limbah tempurung kelapa menjadi asap cair yang dapat digunakan sebagai alternatif koagulan lateks. Kata kunci: Asam formiat, Asap cair, Karet, Koagulan lateks, Tempurung kelapa
Characteristics of PB 260 clone rubber coagulated with natural coagulants: type of Averrhoa Achmad, Feerzet; Deviany, Deviany; Yuniarti, Reni; Fikrah, Faizatul; Az-Zahra, Syifa; Qarimah, Akhlatul; Marlina, Titi; Tambunan, Yonathan Marasi; Rahmadini, Gustia; Damayanti, Damayanti; Suhartono, Suhartono; Suharto, Suharto
Konversi Vol 13, No 1 (2024): April 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v13i1.18724

Abstract

The aim of this research was to determine the properties of the PB 260 clone rubber using the Averrhoa type coagulant. The natural coagulants used in this study were Averrhoa bilimbi and Averrhoa carambola. The latex used was 150 ml of PB 260 clone rubber with a concentration of 100% natural coagulant of 75 ml and 2% formic acid. The rubber properties that were tested were Po, PRI, DRC, ash content, dirt content, volatile matter content and Mooney viscosity. This research also uses a special treatment in the form of centrifugation speed. The higher the centrifugation speed, the higher the pH value of the natural coagulant and the lower the H+ ion value, which accelerates the coagulation time of the latex. In natural coagulant extract, the highest values of Po, PRI, DRC, ash content, dirt content and Mooney viscosity were obtained at 0 rpm for Averrhoa bilimbi extract with values of 40%, 94.17%, 32.83%, 0, 32%, 0.038% and 77 MU. Meanwhile, in the test for volatile matter content, the highest value was found in Averrhoa carambola at 5000 rpm with a value of 0.23%.
Unlocking The Potential of Lampung Agricultural Waste: Banana Kepok Peel Silage (Musa × Paradisiaca) for Ruminant Nutrition Through an Optimization of Ensiling Time Deviany, Deviany; Yusuf, Reggina Aulia; Raqin, Mohammad Rayhan; Ramadhan, Aditia Fajar; Nugraha, Dea Amanda; Afriliza, Tiara Fitri
Jurnal Nutrisi Ternak Tropis Vol. 7 No. 2 (2024): JNT Jurnal Nutrisi Ternak Tropis September
Publisher : Faculty of Animal Science, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jnt.2024.007.02.1

Abstract

This study investigates the optimization of ensiling time for fermenting Kepok/Saba banana peel into silage for ruminant nutrition. Two ensiling durations were compared: T1 with a 7-day ensiling time and T2 with a 14-day ensiling time. The results of the experiment reveal that while T2 demonstrated certain advantages, such as enhanced aroma and texture due to extended fermentation, the physical quality of silage from T1 was comparable, and the proximate analysis indicated no significant difference in nutritional content between T1 and T2. Additionally, T1 silage exhibited a lower crude fiber content compared to T2, suggesting potentially better digestibility and nutrient availability for livestock. These findings emphasize the practicality of choosing T1 to expedite production without compromising physical quality or nutritional integrity. The study underscores the potential of Kepok/Saba banana peel waste to be processed into silage, offering a sustainable solution for utilizing Lampung’s agricultural by-products for ruminant nutrition enhancement.
Potensi Mikroorganisme Indigen Perairan Teluk Lampung sebagai Pendegradasi Masker Sekali Pakai (Disposable Face Mask) Deviany, Deviany; Achmad, Feerzet; Purwanti, Millennia Rischa; Yudhanti, Tri Febri
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

To prevent the transmission of COVID-19, the World Health Organization recommends the implementation of health protocols including using disposable masks. The use of disposable face masks has an impact on the emergence of mask waste in aquatic environments which results in pollution of water sources by microfibers. Degradation by indigenous microorganisms can be one of the solutions for handling waste that is environmentally friendly and cost effective. In this study, bacteria were isolated from the coast of Lampung Bay which was polluted with plastic waste and masks. Bacterial isolates were characterized by morphological and biochemical tests before the selected one being used for degradation. After seven days of incubation, gravimetric analysis showed that the mask pieces increased in weight when compared to the control. However, the degradation process can be shown by the results of Scanning Electron Microscope (SEM) analysis which shows damage in the form of holes on the surface of the mask when compared to the new mask and the control. SEM images also showed the presence of bacterial biomass remnants attached to the surface of the mask. Based on the results of this study, Lampung Bay indigenous microorganism isolate showed potential as a degrader of disposable face masks.
Degradasi Masker Sekali Pakai dengan Vermiremediasi dan Penambahan Isolat Bakteri Teluk Lampung Deviany, Deviany; Achmad, Feerzet; Rosafira, Adela; Aini, Syarifah
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The use of disposable face masks during the Covid-19 pandemic has resulted in the emergence of mask waste polluting aquatic environments due to poor management. This waste will decompose into microfibers which accumulate in aquatic organisms. The combination of vermiremediation with the addition of degrading microorganisms can be one of the solutions for treating disposable mask waste. In this study, Eudrilus eugeniae, an earthworm species, was used in vermiremediation with variations in the treatment by adding indigenous bacterial isolate from the waters of Lampung Bay which has been proven able to degrade disposable masks. The results showed that the vermiremediation technique can be used to degrade disposable masks, indicated by a decrease in mask weight after incubation for two months in the amount of 0.03 grams and 0.05 grams for the treatment with the Eudrilus eugeniae and a combination of bacterial isolate respectively against the initial weight. Lampung Bay indigenous bacterial isolate helped accelerate the mask degradation process in the combined vermiremediation technique. The carbon, nitrogen, phosphorus, and potassium contents of the compost produced by the vermiremediation process have met the SNI for compost from domestic organic waste.
FISIBILITAS PEMANFAATAN KOAGULAN ALAMI TERHADAP KARAKTERISTIK KARET PADA PRODUKSI SIR 20 Achmad, Feerzet; DEVIANY, DEVIANY; Nuranisa, Ayunda; Antika, Rindi; SUHARTONO, SUHARTONO; SUHARTO, SUHARTO
Jurnal Penelitian Karet JPK : Volume 41, Nomor 2, Tahun 2023
Publisher : Pusat Penelitian Karet - PT. Riset Perkebunan Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/ppk.jpk.v41i2.876

Abstract

Tujuan penelitian ini adalah memahami pengaruh koagulan alami pada karakteristik karet SIR 20. Koagulan alami yang digunakan yaitu mangga kweni, asam gelugur, manggis, ciplukan, dan rambutan, karena bersifat asam dan banyak ketersediaannya. Koagulan alami diekstrak dan selanjutnya langsung digunakan sebagai koagulan, namun ekstrak ini juga dilakukan sentrifugasi untuk mendapatkan ekstrak yang lebih bersih. Koagulan kimia yang digunakan sebagai pembanding adalah asam formiat dengan konsentrasi 2%. Volume koagulan sentrifugasi dan tanpa sentrifugasi yang digunakan adalah 75 ml dicampur dengan 150 ml lateks, sehingga terjadinya proses koagulasi dan menghasilkan koagulum. Koagulum dikarakterisasi sesuai mutu SIR 20 dalam SNI 1993:2017 meliputi parameter Po, PRI, viskositas mooney, kadar abu, kadar pengotor, kadar zat menguap, dan kadar nitrogen. Pengaruh karakteristik karet dengan koagulan alami tanpa sentrifugasi menghasilkan nilai Po tertinggi dari ciplukan sebesar 44, PRI tertinggi dari manggis sebesar 75%, viskositas mooney tertinggi dari manggis, ciplukan, dan rambutan sebesar 81 MU, kadar zat menguap terendah dari mangga kweni sebesar 0,31% dan kadar nitrogen dari ciplukan sebesar 0,02%. Sedangkan kadar abu dan kadar kotoran terendah dihasilkan dari koagulan alami sentrifugasi dengan kadar abu terendah dari rambutan sebesar 0,192% dan kadar kotoran terendah pada mangga kweni sebesar 0,20%. Penggunaan koagulan alami sebagai koagulan lateks menghasilkan mutu karet yang lebih baik dibandingkan dengan koagulan kimia asam formiat 2%, tetapi penggunaan koagulan alami menghasilkan kandungan nitrogen yang tinggi. Koagulan alami dengan sentrifugasi dan tanpa sentrifugasi pada asam gelugur, ciplukan, rambutan yang digunakan telah memenuhi persyaratan SNI 06-1903-2017 SIR 20.
Potential of Freshwater Microalgae in Biodegradation of Disposable Face Masks Deviany, Deviany; Nainggolan, Gabriela; Br Pelawi, Luluinaita
Journal of Chemical Process Engineering Vol. 9 No. 2 (2024): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/jcpe.v9i2.1002

Abstract

The use of disposable face masks can reduce the transmission of Covid-19 through saliva splashes from infected patients. However, the use of these masks causes waste generation that has the potential to release microplastic fibers into the environment. Biodegradation by freshwater microalgae can be a solution to handling disposable face mask waste. Microalgae were isolated from retention ponds in Institut Teknologi Sumatera using Walne fertilizer and pineapple liquid waste (LCN) as alternative growth media. Selected isolate was used to degrade three-ply mask pieces with Walne:LCN media ratios of 1:0,; 0:1, and 1:1 as well as Walne media without the addition of isolate as a control. Analysis of the masks degradation results was carried out using gravimetric and Fourier Transform Infraredmethods. Gravimetric analysis showed a decrease in mask mass after degradation for the control, 1:0, 0:1, 1:1 treatments, which were 0.0004grams, 0.0054grams, 0.0088grams and 0.0193grams, respectively. FTIR analysis showed new functional groups (O-H), increased C=C, and decreased C-H % transmittance of the masks after degradation. It can be concluded from the analysis that microalgae isolated from ITERA’s retention basin was able to degrade disposable masks, which is characterized by a decrease in mask mass and changes in % transmittance of C=C and C-H functional groups. The addition of LCN did not show a significant effect on mask degradation compared to variations without LCN, as evidenced by the FTIR results in the 1:1 variation where no alkene groups appeared and the alkyl group spectrum peaks were not much different from the control
Perkembangan concentrated solar cells (CSC) untuk meningkatkan efisiensi energi matahari menuju energi bersih dan berkelanjutan Yusuf, Reggina Aulia; Setianingsih, Putri Indah Ayu; Hernawan, Ashilah Diandra; Deviany, Deviany; Yusupandi, Fauzi; Suryanto, Ido; Armanda, Selvy; Yusadetama, Ega Amoret; Corrysha, Jihan Luthfi; Nugraha, Dea Amanda; Afriliza, Tiara Fitri; Alhanif, Misbahudin
JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) Vol. 4 No. 3: September 2024
Publisher : Jurusan Teknik Elektro, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/jitel.v4.i3.2024.195-208

Abstract

Dalam upaya mengurangi ketergantungan terhadap energi fosil, sel surya menjadi salah satu potensi energi terbarukan yang menjanjikan, terutama di wilayah dengan intensitas cahaya matahari yang tinggi seperti di Indonesia. Berbagai jenis sel surya telah banyak dikembangkan, mulai dari generasi pertama hingga generasi ketiga sebagai era baru dalam perkembangan teknologi sel surya. Concentrated Solar Cell (CSC) memunculkan harapan baru dalam pemanfaatan energi surya. Konsep dasar CSC melibatkan penggunaan lensa atau cermin konsentrator untuk meningkatkan intensitas cahaya matahari yang mencapai sel surya. Dengan memanfaatkan efek fotovoltaik pada material semikonduktor, CSC dapat meningkatkan efisiensi konversi energi matahari menjadi listrik. Mekanisme kerja CSC tidak hanya mengurangi jumlah sel yang diperlukan, tetapi juga memungkinkan desain multi-junction tandem yang lebih efisien, menggunakan bahan dan proses produksi yang umumnya mahal namun menjadi lebih terjangkau melalui penggunaan CSC. Berdasarkan ulasan analisis siklus hidup (LCA) yang dilakukan beberapa peneliti, CSC menunjukkan keunggulan dalam pengurangan material terbatas, seperti germanium (Ge) dan gallium (Ga), yang mendukung keberlanjutan pada skala besar. Keunggulan ini memberikan gambaran lebih luas tentang dampak positif CSC terhadap penurunan ketergantungan pada sumber daya yang langka dan peningkatan keberlanjutan di sektor energi.
UTILIZATION OF PINEAPPLE PROCESSING LIQUID WASTE IN BIODEGRADATION OF DISPOSABLE FACE MASK BY BACTERIA FROM LAMPUNG BAY Deviany, Deviany; Zhofiroh, Nawrah Meisyah Muthi'ah; Febrina, Yane Fita; Yusuf, Reggina Aulia; Achmad, Feerzet; Yuniarti, Reni; Istiadi, Khaerunissa Anbar
Jurnal Bioteknologi dan Biosains Indonesia Vol. 11 No. 2 (2024)
Publisher : BRIN - Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jbbi.11.2.8192

Abstract

The designation of COVID-19 as a global pandemic led to an increased use of single-use face masks, which result in waste that is difficult to degrade and has the potential to release microplastic fibers into the environment. This study aims to examine the im-pact of adding pineapple peel liquid waste (LCN) as a growth medium for the biodeg-radation of single-use face masks by bacterial isolates obtained from the waters of the Lampung Bay. The study investigates how LCN affects the efficiency of mask degra-dation by microorganisms, as well as how the ratio of LCN mixed with other growth media, such as Nutrient Broth (NB), influences the degradation process. The biodeg-radation process was carried out using a biostimulation technique, where bacterial iso-lates were incubated in media containing LCN at a 1:1 ratio. The degradation process lasted for 15 days, with the results being analyzed using gravimetry and Fourier-Transform Infrared Spectroscopy (FTIR). Gravimetric results showed a greater weight reduction in treated masks compared to the control masks. FTIR analysis also indicat-ed changes in the intensity of functional groups in the degraded layers of the masks, as well as the emergence of C≡C functional groups in the second and third layers. This study demonstrates that the addition of LCN can accelerate the biodegradation of sin-gle-use face masks, offering a new approach for managing mask waste.
BIODEGRADATION OF POLYETHYLENE AND POLYETHYLENE OXO-DEGRADABLE BY BACTERIAL ISOLATE FROM CONTAMINATED LAMPUNG BAY Deviany, Deviany; Damayanti, Damayanti; Nury, Dennis Farina
MAXIMUS: Journal of Biological and Life Sciences Vol 3 No 1 (2025)
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/maximus.v3i1.2150

Abstract

Pandemi COVID-19 mendorong peningkatan kesadaran masyarakat terhadap kebersihan dengan penggunaan material sekali pakai seperti plastik dan masker. Hal ini menimbulkan pencemaran mikroplastik di lingkungan sehingga diperlukan upaya penanggulangan salah satunya melalui proses biodegradasi. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan isolat bakteri dari perairan tercemar Teluk Lampung terhadap degradasi plastik polietilena dan plastik polietilena oxo-degradable. Proses biodegradasi dilakukan menggunakan isolat bakteri terpilih dari Pantai Sukaraja, Lampung yang diinkubasi selama 21 hari. Media Mineral Salt Medium tanpa penambahan sumber karbon digunakan pada tahap penapisan dan proses degradasi. Pada proses degradasi, isolat bakteri terpilih diinkubasi bersama sampel plastik PE dan PE oxo-degradable dengan kontrol tanpa penambahan isolat. Semua sampel hasil degradasi kemudian dianalisis dengan gravimetri yang menunjukan adanya penurunan berat pada setiap variasi sampel yaitu kontrol plastik PE, plastik PE, kontrol plastik PE oxo-degradable, serta plastik PE oxo-degradable masing-masing sebesar 12,3%, 17,31%, 8,9%, dan 10,84%. Penelitian ini menunjukkan penambahan isolat bakteri terpilih dari Teluk Lampung mempengaruhi degradasi plastik PE dan PE oxo-degradable.
Co-Authors AA Sudharmawan, AA Afriliza, Tiara Fitri Akhmad Zainal Abidin, Akhmad Zainal Aldillah Herlambang Alhuda, Alhuda Andri Sanjaya Antika, Rindi Ardian, Muhammad Ikhwan Armanda, Selvy Auriyani, Wika Atro Az-zahra, Syifa A’yuni , Dewi Qurrota Br Pelawi, Luluinaita Corrysha, Jihan Luthfi Damayanti Damayanti Demi Dama Yanti Dennis Farina Nury Febrina, Yane Fita Feerzet Achmad Fikrah, Faizatul Hernawan, Ashilah Diandra Khaerunissa Anbar Istiadi Mahendra, Lufi Eka Marlina, Titi Mediana, Annisa Misbahudin Alhanif Musa Musa Mustafa , Mustafa Nainggolan, Gabriela Nugraha, Dea Amanda Nurafinda, Meylani Dwi Nuranisa, Ayunda Prasetyo, Rizky Dimas Purwanti, Millennia Rischa Putri, Amelia Syifa Divana Qarimah, Akhlatul Qorimah, Akhlatul Rahmadini, Gustia Ramadhan, Aditia Fajar Ramadhan, Zulfikar Raqin, Mohammad Rayhan Reni Yuniarti Rosafira, Adela Satria , Arysca Wisnu Setianingsih, Putri Indah Ayu Simbolon, Nur Indah Suharto Suharto Suhartono Suryanto, Ido Syarifah Aini Tambunan, Yonathan Marasi Yudhanti, Tri Febri Yusadetama, Ega Amoret Yusuf, Reggina Aulia Yusupandi, Fauzi Zhofiroh, Nawrah Meisyah Muthi'ah