Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Prismawiryanti"'
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 10, Iss 2, Pp 185-192 (2024)
Water pollution from settlements, agriculture, and industry is a significant issue, as it introduces pollutants like heavy metals into water bodies, harming both humans and aquatic ecosystems. Phytoremediation is a cost-effective, eco-friendly techno
Externí odkaz:
https://doaj.org/article/306ef5beae384889bfcedc8e950bc7c6
Autor:
Sirah Diniati Nea, Nurhaeni, Dwi Juli Puspitasari, Prismawiryanti, Nov Irmawati Inda, Ni Ketut Sumarni, Ruslan
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 10, Iss 1, Pp 77-84 (2024)
The increasing environmental pollution is one of the consequences of human activities that continue to expand. The environment has limitations in coping with pollutants generated by humans, such as waste from the laundry industry. This research aims
Externí odkaz:
https://doaj.org/article/0045e8e7d7c74929b3abaeba0632b34a
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 9, Iss 3, Pp 250-257 (2023)
The peroxide value and free fatty acid content influence the quality of cooking oil. Activated charcoal from coffee grounds has been used in processing used cooking oil. This research aimed to determine the ratio of coffee grounds activated charcoal
Externí odkaz:
https://doaj.org/article/22e354c6ffaf4a3f8e4611ad6d0d688f
Publikováno v:
Kaibon Abhinaya, Vol 5, Iss 2, Pp 187-191 (2023)
Salah satu masalah yang sering timbul dalam dunia Pendidikan adalah kurangnya sumber belajar, sarana pendidikan dan pemanfaatannya dalam membantu proses pembelajaran. Kurangnya pengetahuan guru dalam penggunaan, perawatan dan penyimpanan peralatan da
Externí odkaz:
https://doaj.org/article/7258c6841d5f4b5f9a7d5bf33e6e7c75
Pemanfaatan Karbon Aktif Kulit Kacang Tanah untuk Menurunkan Kadar Ion logam Ca2+ dan Mg2+ dalam Air
Autor:
Wilda Yanti, Husain Sosidi, Indriani, Prismawiryanti, Dwi Juli Puspitasari, Moh. Mirzan, Erwin Abdul Rahim, Nov Irmawati Inda
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 9, Iss 2, Pp 157-163 (2023)
Peanut shell has a high cellulose content as a carbon source which can be used as a basic ingredient for making activated charcoal. Research on peanut shells used as activated charcoal aims to determine the effect of contact time and pH on reducing l
Externí odkaz:
https://doaj.org/article/908fac44877b4ab3b36f9f606e24fab5
Autor:
Lisma Habiba, Nov Irmawati Inda, Prismawiryanti, Husain Sosidi, Ni Ketut Sumarni, Dwi Juli Puspitasari, Moh. Mirzan, Jusman
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 9, Iss 1, Pp 77-84 (2023)
Corn cobs which generally only become waste can be processed into activated carbon and used for the absorption of heavy metals, such as copper(II) ions. This study aims to determine the morphology of corn cobs charcoal after activation, determine the
Externí odkaz:
https://doaj.org/article/d12612c930ce4c78a8ea95f306719cdc
Autor:
Khairuddin, Ruslan Ruslan, Muh.Ricky Arisandi M. Tahili, Dwi Juli Puspitasari, Indriani, Husain Sosidi, Prismawiryanti, Moh. Mirzan
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 8, Iss 2, Pp 171-177 (2022)
Oil palm midribs (Elaeis guenensis Jacq.) are one of the wastes from oil palm plantations. The high carbon element composition in the palm midribs has the potential to be used as charcoal or activated carbon. Activated carbon can reduce COD levels in
Externí odkaz:
https://doaj.org/article/0913a89233564071963993faf9098d1d
Autor:
Nurhaeni, Frischa Sari Kencana, Andi Tenri Ajeng, Khairuddin, Prismawiryanti, Syamsuddin, Dwi Juli Puspitasari, Indriani, Erwin Abdul Rahim
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 8, Iss 1, Pp 67-73 (2022)
Tofu pulp which generally becomes waste can be used as a source of protein concentrate. Protein concentrates from tofu pulp have been obtained at various ratios of tofu pulp: ammonium sulfate and ammonium sulfate salt concentration. The research was
Externí odkaz:
https://doaj.org/article/a77db13032204d36b46f813ce56c98f6
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 7, Iss 3, Pp 186-193 (2021)
Young coconut coir (Cocos nucifera Linn.) waste has the potential to be processed into a useful product, namely as a source of natural dyes, especially in cotton fabrics. Processing is carried out through a maceration process for 72 hours using 96% e
Externí odkaz:
https://doaj.org/article/33825462829a4d76bf4838ded1e77cd9
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 7, Iss 2, Pp 154-160 (2021)
The quality of Dumbo Catfish (Clarias gariepinus) oil can be maintained during storage with the addition of crude lycopene in tomatoes as an antioxidant. The purpose of this study was to obtain the best ratio between crude lycopene in tomatoes and Du
Externí odkaz:
https://doaj.org/article/c7598167f5bb4ec48503a64b9b540fe2