Article Per Year (5 Year)
p-Index From 2019 - 2024
0.61
P-Index
This Author published in this journals
All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal MIPA dan Pembelajarannya (JMIPAP)
Eka Trisnawati
Unknown Affiliation
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Energy Engineering Immunology & microbiology Materials Science & Nanotechnology Mathematics

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
Pengolahan Limbah Cair Industri Pulp Dan Kertas Dengan Metode SRAOP (Sulfate Radical-Advanced OxidationProcess) Menggunakan Katalis Nanomaterial Cobalt Framework (Co@NC) Eka Trisnawati; Edy Saputra; Chairul Chairul
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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

Abstract

Catalyst cobalt nanomaterial (Co@NC) was prepared by MOF strategy using rhombic dodecahedral cobalt based on Zeolitic Imidazolate Framework -67 (ZIF-67) as an effective precursor and template. Co@NC was successfully synthesized by reacting cobalt (II) nitrate and 2-methylimidazole with methanol solvent at room temperature and allowed to stand for 48 hours at room temperature to form a purple solid. Then it is carbonized at 600oC for 6 hours with argon. Their properties were characterized by X-ray diffraction (XRD). The Catalyst Co@NC catalyst has 4 peaks that appear at an angle of 2θ: 44.24 °, 51.70 °, 71.03 °, 79.73 ° which are perfectly indexed to the metal characteristics of Co [JCPDS File No. 89-4307]. The catalyst activity of Co@NC was evaluated for the oxidation degradation of organic compounds in the pulp and paper industrial wastewater with radical sulfate. Effect of catalyst concentration (0; 0.1; 0.2; 0.3; 0,4 g/L) and reaction time 120 minutes was investigated in this study. The optimum conditions with the percentage of COD removal reached 80,92% obtained at 120 minutes, catalyst concentration 0.4 g/L, concentration of peroxymonosulfate 2 g/L, reaction temperature of 30oC. Therefore, the Co@NC nanomaterial is very feasible as a catalyst in industrial applications that will be used for wastewater treatment effectively. Keywords: AOP, COD, MOF, Nanomaterial, Wastewater
Pengembangan paket ipa terpadu berbasisi inkuiri tema peredaran darah manusia untuk meningkatkan kreativitas siswa kelas VIII SMP/MTs Eka Trisnawati; Supriyono Koes H.; Metri Dian Insani
Jurnal MIPA dan Pembelajarannya (JMIPAP) Vol. 1 No. 2 (2021)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (926.644 KB) | DOI: 10.17977/um067v1i2p129-136

Abstract

The purpose of this research was to produce an integrated science package based on inquiry on human blood circulation theme to improve the creativity of the 8th graders of junior high school. The research used ADDIE (2009) developing model. The result of product development was integrated science package for students and teacher’s guideline. Based on the result of feasibility test, 92.53 percent for its content feasibility and 88.96 percent for its presentation feasibility which meant very feasible, it was predicted that the product feasibility in improving students creativity was 85.00 percent which meant very feasible. Feasibility test of teacher’s guideline the percentage of content and presentation feasibility was 88.96 percent which meant very feasible. On the readable test, it was obtained 89.94 percent which meant very feasible. Based on those result, science package must be tested wildely for feasibility.   Tujuan penelitian ini adalah menghasilkan produk Paket IPA Terpadu berbasis inkuiri tema peredaran darah manusia untuk meningkatkan kreativitas siswa kelas VIII SMP/MTs. Penelitian ini merupakan penelitian pengembangan yang dilakukan dengan model pengembangan ADDIE (2009). Hasil  dari penelitian ini adalah Paket IPA Terpadu untuk siswa dan  Panduan Guru. Hasil validasi menunjukkan bahwa uji kelayakan isi dan kelayakan penyajian  Paket IPA Terpadu memperoleh persentase sebesar 92,53 persen dan 88,96 persen dengan kriteria sangat layak, prediksi kemampuan Paket IPA Terpadu untuk meningkatkan kreativitas memperoleh persentase sebesar 85,00 persen dengan kriteria sangat layak. Uji kelayakan Panduan Guru memperoleh persentase sebesar 88,96 persen. Berdasarkan uji keterbacaan terbatas yang dilakukan, rata-rata nilai persentase yang diperoleh adalah 84,94 persen. Berdasarkan hasil yang diperoleh, agar Paket IPA Terpadu layak digunakan perlu diadakan uji coba lapangan secara luas.
Co-Authors Chairul Chairul Edy Saputra Metri Dian Insani Supriyono Koes H.