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All Journal Jurnal Sains Dasar IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Jurnal Pengabdian UntukMu NegeRI JURNAL PHOTON Jurnal Inovasi Teknik Kimia Acta Chimica Asiana Jurnal Pengabdian kepada Masyarakat Nusantara Mestaka: Jurnal Pengabdian Kepada Masyarakat Abdi Akommedia : Jurnal Pengabdian Masyarakat
Hasmalina Nasution
Prodi. Kimia, Fakultas MIPA Dan Kesehatan, Universitas Muhammadiyah Riau
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Journal : JURNAL PHOTON

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Tanaman Apu-Apu (Pistia stratiotes L) dengan Penambahan Zeolit sebagai Agen Fitoremediasi Air Terkontaminasi Logam Kadmium (Cd), Tembaga (Cu) Dan Timbal (Pb) Hasmalina Nasution; Siti Fatimah; Fitra Perdana; Sri Hilma Siregar
Sistem Informasi Vol 11 No 2 (2021): Jurnal Photon
Publisher : LPPM Universitas Muhammadiyah Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jp.v11i2.2770

Abstract

Penelitian ini bertujuan untuk mengetahui penurunan kadar logam berat (Cd, Cu dan Pb) dalam air yang terkontaminasi logam berat dan mengetahui pengaruh perlakuan terhadap penurunan konsentrasi logam berat dalam air. Penelitian ini menggunakan rancangan acak lengkap (RAL) dengan 4 Perlakuan yaitu P1 (0 gr apu-apu + 150 gr zeolit), P2 (50 gr apu-apu + 100 gr zeolit), P3 (100 gr apu-apu + 50 gr zeolit) dan P4 (150 gr apu-apu + 0 gr zeolit). Parameter utama dalam penelitian ini yaitu penurunan konsentrasi dalam air. Analisa data yang digunakan adalah analisa ANOVA untuk melihat pengaruh perlakuan terhadap penurunan logam. Analisa kadar logam (Cd,Cu dan Pb) dengan menggunakan spektrofotometer serapan atom (SSA). Persentase Penurunan kadar Cd tertinggi yaitu 73.80 % sedangkan yang terendah 69.90 %, Persentase Penurunan kadar Cu tertinggi yaitu 89.46 % sedangkan yang terendah 42.81 %, dan Persentase Penurunan kadar Pb tertinggi yaitu 99.07 % sedangkan yang terendah 81.24 %, Nilai Penurunan kadar (Cd, Cu dan Pb) tertinggi diperoleh oleh P3. Hasil uji ANOVA menunjukkan bahwa terdapat pengaruh yang nyata perlakuan terhadap penurunan konsentrasi dalam air pada taraf nyata (p<0,05). Hasil penentuan uji presisi dan linearitas menunjukkan bahwa metode yang digunakan memiliki linearitas serta presisi yang baik.
Sintesis Biodiesel dari Minyak Jelantah Menggunakan Katalis Bentonit, K-Bentonit Dan K-Bentonit Terimpregnasi CaO Hasmalina Nasution; Wahyuni Puspita Sanda; Rahmadini Syafri; Sri Hilma Siregar; Yuhelson; Prasetya
Sistem Informasi Vol 12 No 1 (2021): Jurnal Photon
Publisher : LPPM Universitas Muhammadiyah Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jp.v12i1.3312

Abstract

Biodiesel is an alternative fuel for diesel engines produced by a transesterification reaction between vegetable oils or animal fats containing triglycerides and alcohol, one of which is methanol. The use of homogeneous base catalysts in the synthesis of biodiesel still poses a problem for the environment because it is difficult to separate, therefore, researchers use variations of heterogeneous base catalysts. The synthesis of biodiesel from used cooking oil was carried out through a transesterification reaction with technical methanol with a catalyst of CaO impregnated Bentonite, K-Bentonite and Bentonite using the reflux method at 65ºC for 2 hours. The ratio of the volume of oil, methanol, and catalyst used is 5:1:1%-w oil. Based on the research that has been done, the yield of each catalyst is 84.85% bentonite, 84.24% K-bentonite and 89.27% ​​K-bentonite-CaO. The characteristics of biodiesel obtained from each of these catalysts such as calorific value and density have met the quality requirements of the Indonesian National Standard (SNI 7182-2012), except for the acid number and kinematic viscosity which still exceed the quality requirements of SNI 7182-2012.
Karakterisasi Hasil Sintesis Fotokatalis TiO2 Dengan Metode Sol-Gel dan Hidrothermal Untuk Aplikasi Limbah Petroleum Manja Nanda Resa Manja; Hasmalina Nasution; Zumrotun Nasihah; Tengku Finalia; Laila Rahmadanis; Prasetya Prasetya; Rahmadini Syafri; Sri Hilma Siregar
Sistem Informasi Vol 12 No 2 (2022): Jurnal Photon
Publisher : LPPM Universitas Muhammadiyah Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jp.v12i2.3473

Abstract

Petroleum waste (crude oil) has become one of the sources of pollution in the sea. The pollution caused comes from several factors, oil spills from tankers, deliberate disposal of irresponsible industries. The layer of crude oil on the surface of the air holds back gas exchange from the atmosphere and reduces the solubility of oxygen in the waters so that it interferes with the respiration and photosynthesis processes in phytoplankton which are food producers in the sea. This study aims to characterize the synthesized TiO2 photocatalyst material using two methods, namely Sol-Gel (SG) and Hydrothermal (HD) which will then be used for applications in petroleum waste. To determine effectiveness of TiO2 photocatalyst in reducing crude oil spills on the sea surface based on fatty oil parameter tests. The synthesis of TiO2 was carried out by the solgel method (SG) and the hydrothermal method (HD) at various temperatures of 300 oC, 500 oC, and 700 oC. Characterization of the material formed using the SEM-EDX instrument, showed that in general it is spherical in shape, and is composed of C, O and Ti elements. The maximum effectiveness of SG-300, SG-500, and SG-700 was able to reduce fat oil content by 57.19%, 66.14% and 41.42% while HD-300, HD-500, and HD-700 were able to reduce fatty oil content. maximum of 60.87%. , 56.41% and 45.68% in the 120 minute irradiation time. The results showed that the photodegradation process in petroleum waste treatment using TiO2 material was able to reduce the fat oil content.
Co-Authors - Helvina - Wahyunungsih Abdifi, Reza Alfayed, M. Annisa Mardhatila Aulia Rizki Rahmadani Chantika, Putri Indah Dayumita, Novialis Dedi Suwito Deliani, Winda Evi Marlina F, Siti Fitra Perdana Fitri, Rennadya Sekar Helvina, - Henny D J Hilwan Yuda Teruna Isnaniar Isranbidin Isranbidin J, Henny D Jasril - Jasril Jasril Jufrizal Syahri Jufrizal Syahri Laila Rahmadanis Laira, Ulsanna M. Alfayed Manja Nanda Resa Manja Mardhatila, Annisa MULYANI Musyirna Rahmah Nasution Nur Enizan Nurlaili Nurlaili Nurlaili Nurlaili Prasetya Prasetya Prasetya Prasetya Prasetya, Prasetya Putri Khorely Putri, Elvina Salsabila Putri, Rahmayani Indah Rahayu, Anggi Putri Rahmadhani, Annisa Rahmadini Syafri Rahmayani Indah Putri Rahmita Syafitri Rahmiwati Hilma Ramadhanti, Aulia Rizki Retno Hidayati Reza Abdifi Riani Ulfa Sari, Meidita Kemala Sha-Ling Han Siregar, Sri Hilma Siregar, srihilma Siti F Siti Fatimah Sri Hilma Siregar Tengku Finalia Ulfa, Riani Ulsanna Laira Utami, Herdina Wahyuni Puspita Sanda Wahyunungsih, - Winda Deliani Wirdati Irma Yuhelson Zumrotun Nasihah