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All Journal Agrointek Jurnal Teknik Kimia Jurnal Teknologi Pertanian Jurnal Fisika Unand JURNAL INTEGRASI PROSES Journal of Natural Sciences and Mathematics Research Briliant: Jurnal Riset dan Konseptual Jurnal Penelitian Pendidikan IPA (JPPIPA) CHEESA: Chemical Engineering Research Articles Journal of Functional Food and Nutraceutical Journal of Applied Science, Engineering, Technology, and Education Nusantara Science and Technology Proceedings International Journal of Eco-Innovation in Science and Engineering (IJEISE) AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Journal Serambi Engineering (JSE) Indonesian Journal of Chemical Science
Sintha Soraya Santi
Program Studi Teknik Kimia, Universitas Pembangunan Nasional “Veteran” Jawa Timur
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Other

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Journal : CHEESA: Chemical Engineering Research Articles

 1 
Optimization of Particle Size and Addition of Vinasse Waste to Improve Characteristics of Rice Husk Charcoal Briquettes Santi, Sintha Soraya; Azzahra, Tsania Putri; Salfana, Dian Rizka; Pasang, Timotius
CHEESA: Chemical Engineering Research Articles Vol. 7 No. 1 (2024)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/cheesa.v7i1.19575.36-46

Abstract

Biobriquettes are a biomass fuel with high calorific value. This study aims to determine the optimal conditions for the particle size of husk charcoal and the addition of vinasse waste as an independent variable, using the Response Surface Methodology and the Central Composite Design (CCD) method on Design Expert 13 software. The sample mixed with tapioca starch (8:1), which acts as an adhesive, and add vinasse waste in 3, 6, 9, and 12 mL amounts. Carbonization process, which is then mashed and sieved according to particle sizes of 20, 30, 40, 50, and 60 mesh. Then, the sample is mixed with tapioca starch as adhesive with the ratio of charcoal and adhesive 8:1 as well as vinasse waste in volumes of 3, 6, 9, and 12 mL. The resulting briquette samples were tested in the form of water content, ash content, and calorific value tests. The optimum conditions that have a significant effect on the response variable are the combination of particle size variables of 35.152 mesh and the volume of vinasse waste of 6.049 mL. The moisture content obtained was 6.696%., The ash content was 5.450%, and the calorific value was 5003.399 cal/g with a desirability value of 0.927 in the quadratic model.
Sintesis dan Karakterisasi Kalsium Fosfat dari Cangkang Bekicot dengan Metode Presipitasi Pangestu, Titan Obby; Damayanti, Savira Farizqy; Santi, Sintha Soraya; Muljani, Srie
CHEESA: Chemical Engineering Research Articles Vol. 4 No. 2 (2021)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/cheesa.v4i2.8931.82-90

Abstract

Cangkang bekicot memiliki potensi sebagai bahan baku sintesis kalsium fosfat karena kandungan kalsium yang sangat tinggi, yaitu sekitar 99 %. Kalsium fosfat dapat diaplikasikan sebagai biomaterial karena sifatnya yang sama dengan jaringan penyusun tulang. Pada saat ini kebutuhan akan biomaterial sangat tinggi dan telah memberi dampak yang cukup besar terutama dalam bidang kedokteran ortopedi. Penelitian ini bertujuan untuk mengkaji karakteristik kalsium fosfat dengan menggunakan bahan baku cangkang bekicot. Penelitian ini dilakukan dengan metode presipitasi dengan variasi pH dan suhu sintering. Cangkang bekicot di kalsinasi pada suhu 900 oC lalu di campurkan dengan larutan asam fosfat sesuai dengan rasio molar Ca/P 1,67. Pengendapan kalsium fosfat dilakukan saat proses presipitasi dengan penambahan NaOH untuk mengatur pH pada rentang 11 dan 12. Selanjutnya dilakukan proses sintering pada suhu 600, 700, 800, dan 900 oC. Karakterisasi kalsium fosfat yang dihasilkan menggunakan XRF, XRD, dan SEM. Hasil penelitian menunjukkan perolehan hidroksiapatit (Hap) mencapai 100% pada pH 12, dan suhu 600 oC dengan struktur kristal amorf.
Co-Authors Amalia Azzahroh Andriani, Silvia Desy Anjuda, Adli Putra Ardya Pramesti Regita Cahyani Ari Suwito Putra Ramadhon Ariesta Artamevia, Nazwa Azzahra, Tsania Putri Bintang Arya Sena Cakradetha, Ivenda Sasquea Chamida, Rida Damayanti, Savira Farizqy Dyah Suci Perwitasari Erliyanti, Nove Kartika Erwan Adi Saputro Erwan Adi Saputro Febriansyah, Harris Foni Putri Sandi Hamzah Fansuri Haque, Annisa Mutiara Salma Hariyanto, Ayu Puspita Kandhi Hartono, Muhamad Dendy Ika Nawang Puspitawati Indah Dwi Asti Irawati , Febriana ISNI UTAMI Juventino, Syahdhan Adiyah Islami Kesuma, Destha A. Ketut Sumada Khonsa Rezkania, Gita Kindriari Nurma Wahyusi Kusumawati, Yuly Milenia, Bella Mohd Hafiz Dzarfan Othman Muhammad Aji Pangestu Mutasim Billah Muthiah, Dewi Muzdalifah, Muzdalifah Nandini , Atika Nelvira Juanmara Ardyansa Novel Karaman Nur Aini Fauziyah Nuraffandy, Achmad Naufal Nurfita, Etti Nurhediana, Silvana Dwi Nurul Widji Triana Pangestu, Titan Obby Pasang, Tim Pasang, Timotius Pramuji, Faiq Hawaari Ahmad Prastica, Nita Purwanto Purwanto Puspitasari, Kurnia Putranto, Thomas T. Rahmani, Tara Puri Ducha Reva Edra Nugraha Ristikawati, Anita Rohman Rosida Rosida Rosida Rosida Rosida Rosida Rosida, Rosida - S Suprihatin Salfana, Dian Rizka Sani Sania, Nabilla Silvana Dwi Nurherdiana Silvy Indah Safitri Sri Redjeki SRIE MULJANI Suriyanto Suriyanto, Suriyanto Susilowati sutiyono sutiyono Sutiyono, Sutiyono Syafsir Akhlus Tasya Vyra Putri Ariyani Trianna, Nurul Widji Utama, Shanita Agitiya Wahyudi, Bambang Wahyusi, Kindriari Nurma Winandri, Kautsar Rahman Windhy Mutiara Salsabillah Yahya A. Yogaswara, Rachmad Ramadhan Zafirah, Shakanti 'Aqilah