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Journal : EcoNews

Pemanfaatan minyak jelantah menjadi pengharum ruangan sebagai peluang usaha masyarakat di Kecamatan Senapelan Hafid Muhaimin Hasward; Zulkarnain Zulkarnain; Manyuk Fauzi
EcoNews Vol 4 No 1 (2021): EcoNews
Publisher : Program Studi Ilmu Lingkungan, Program Pascasarjana Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (467.11 KB) | DOI: 10.47826/econews.4.1.p.28-34

Abstract

Used cooking oil is used frying oil that is usually used repeatedly. For fried food and rice traders, using used cooking oil repeatedly can get big profits because it can save expenses to buy cooking oil. Cooking oil is used repeatedly, causing the fatty acids contained will be more saturated and will change color. dumping used cooking oil into the trenches around the place of sale can damage existing ecosystems and kill aquatic biota and siltation of trenches. If used cooking oil is processed and utilized, it can be an added value and a business opportunity for the community. Like the research conducted by Dalimunthe (2009) turned waste cooking oil into soap. Based on the results of research traders in the District Senapelan know the dangers arising from waste cooking oil is very large for consumers and the environment, but all traders still use cooking oil more than four times the frying pan. Cooking oil used as a frying oil besides being used as soap can also be reused as an air freshener. The need for the government's role in increasing the knowledge of traders to preserve the environment that can be generated from waste cooking oil.
Evaluasi tingkat keberhasilan reklamasi lahan bekas tambang timah di PT Timah Tbk Nugrahani Trie Ryzzky; Yusni Ikhwan Siregar; Zulkarnain Zulkarnain
EcoNews Vol 6 No 1 (2023): EcoNews
Publisher : Program Studi Ilmu Lingkungan, Program Pascasarjana Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1021.458 KB) | DOI: 10.31258/econews.6.1.p.60-66

Abstract

PT Timah Tbk has operated tin mining for ± 45 years. The ratio between disturbed land reclaimed by PT Timah Tbk indicated a bad ratio. The study aims to analyze and evaluate the land reclamation of former tin mines in Air Jangkang Sinar Rembulan, Riding Panjang, Merawang, Bangka, Bangka Belitung Province. The reclamation is important to beneficial for the ecology, social and economic community. The research method used was an assessment of the success rate of reclamation based on a matrix that refers to Minister of Energy and Mineral Resources No. 1827 K/30/MEM/2018. The evaluation was done by comparing the plan and implementation data. Apparently, the overall reclamation is very good in that of backfilling 89%, spreading of top soil 93%, erosion and sedimentation 83%, planting 90%, acid mine water 92%, header closing 100% and maintenance 82%. Canopy cover mine 90%.
Co-Authors ', Kusai Abdul Ghoni Adha, M. Radiva Adhisti Handarie Agung Adrian Eko Desrilianto Ahmad Solihin Alataf, Azahrah Aprila Amrivo, Viktor Amrizal ' Andika Irwan Annisa Lady Fajri Anuar Rasyid Ardiansyah, Gari Ardiyansah, Ari Ari Prima Dewi Arif Satria Arif, Zainal Bambang Dewo Bagus Cesilia, Lisa Chicka Willy Yanti Darwis AN Darwis AN Darwis Darwis Darwis Darwis Defni Ariani Deni Efizon Desi Intan Sari Devia Sari Deviasari Deviasari Dhuha, Nur Adh Djuara P Lubis Dukut Tri Sadono Eddiwan Kamaruddin Efni Noor Salam Efria Tika Rahayu Ernidawati, Ernidawati Fakhruddin Fakhruddin Fathoni Ahmad Fauzi, Manyuk Febrian Febrian Febriani, Egia Firman Nugroho Giska Regina Gussaf, Saskia Amanda Hafid Muhaimin Hasward Hamdi Hamid Hanifa, Nurul Hasanuddin Hasanuddin Hendrik ' Henni Syawal Husnul Yaqin Harahap, Husnul Yaqin I Gusti Ngurah Antaryama Idris Idris iman, Khairul Inayah, Nisywatul Irsya, Habib Isma Mulyani Khaira Usnia Khoirunnisak ' Kusai Kusai Kusai Kusai ' Kusai Kusai Kusai Kusai Kusai Yatim Lamun Bathara Mahrunnisa Mahrunnisa Mahrunnisa, Mahrunnisa Malayani, Bela Mardona Mardona Maryati Maryati Mawaddah, Ira Meliana P. Panjaitan Melsya Trivianti Mubarak Mubarak Muhammad fauzan Mujoko, Windasari Kamelia Musa Hubeis Mustikawati ' Natalia Kristiani Sianturi Nazhif Arrahman Neni Hermita Ningsih, Winda Prasetia Nopa Ratna Sari Nugrahani Trie Ryzzky Nuraini Nuraini Nuri Resty Ani Nuzila Fitria Paramitha Sihombing Pertiwi, Zuwini Pratama, Thomas Kurnia Putra, Nurdiansyah Rafi kurniawan Rahel Laura Br. Pardosi Rahmadi Rahmadi Ramadhani, Andika Wahyu Ranti Rumapea Reza Kurnia Ndaru Ridar Hendri Ridwan Manda Putra Rindi Metalisa, Rindi Rizki Ramadhan Rizki Ramadhan Roflimas Roflimas Rolf Geffken Rosdiana M Manurung Saknah ' Sarnila ' Satria, Defni Sebayang, Elseria Br Shufi Hawina Sihombing, Yogi Hasan Silitonga, Dian Taruli Simanjuntak, Asnika Putri Siregar, Sari Wahyuni Sri Hartati Suci Fahriza Suhebi Robi Sylvana Capriaty Pakpahan Tamba, Florentina Tindaon, Rohmana Santi Titra Hidayah Tomi Ramadona Trisla Warningsih Veronica, Dinny Viktor Amrifo Viktor Amrifo Wan Muhammad Yunus, Wan Muhammad Wati, Almustika Wiguna, M. Alfatah Putra Winanda, Treza Desri Yasin Setiawan Yulindra, Eni Yunita, Milla Yusni Ikhwan Siregar Yusrizal Yusrizal Yustika, Ira Zahtamal Zahtamal Zelita, Nuri Zhurayda '