Zobrazeno 1 - 10
of 121
pro vyhledávání: '"Lapindo"'
Autor:
Qurrota A'yuni, Alfa Akustia Widati, Muchammad Tamyiz, Hartati Hartati, Rahma Yunia Utami, Mohamad Afiq Mohamed Huri, Axel Dimaz Sanusi Pasaribu
Publikováno v:
South African Journal of Chemical Engineering, Vol 50, Iss , Pp 143-151 (2024)
Fingerprint powder remains one of the most effective techniques for identifying individuals from their latent fingerprints. Visualizing latent fingerprints requires powder with high color contrast and strong adhesive to be easily applied on various s
Externí odkaz:
https://doaj.org/article/37d42dfed16a44d1950236ffd1f44a0c
Autor:
Safira Anisah Haromain, Emma Yuliani, Ussy Andawayanti, Tsuyoshi Imai, Firda Samaniyatul Aliyah
Publikováno v:
Jurnal Teknik Pengairan, Vol 15, Iss 1 (2024)
The Lapindo mud phenomenon has been going on for 17 years, causing damage to the land and subsurface geological structures which raises concerns about reducing groundwater quality. This research aims to determine groundwater flow patterns based on su
Externí odkaz:
https://doaj.org/article/9bc66fd1f44640908de08c382d1053a0
Akademický článek
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Autor:
Wega Trisunaryanti, Salma Nur Azizah, Dyah Ayu Fatmawati, Triyono Triyono, Novia Cahya Ningrum
Publikováno v:
Indonesian Journal of Chemistry, Vol 22, Iss 4, Pp 896-912 (2022)
In the present work, optimum conditions for hydrocracking of waste palm cooking oil (WPCO) over a Ni-NH2/Lapindo mud catalyst were studied to obtain a high quantity and quality of biofuel. The utilized catalyst support material was Lapindo mud (LM) f
Externí odkaz:
https://doaj.org/article/bf5dfda907924e34827a0c29778a5361
Autor:
Cahyarani Paramesti, Wega Trisunaryanti, Savitri Larasati, Nugroho Raka Santoso, Sri Sudiono, Triyono Triyono, Dyah Ayu Fatmawati
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 16, Iss 1, Pp 22-30 (2021)
The synthesis and characterization of Ni/mesoporous silica (Ni/MS) catalysts from Lapindo mud with various metal loading for the hydrocracking of waste cooking oil into biofuel has been conducted. The MS was synthesized by the hydrothermal method usi
Externí odkaz:
https://doaj.org/article/ae1fcdd1a2f944bb88ef6f31f82895c2
Publikováno v:
Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang, Vol 6, Iss 1, Pp 133-141 (2021)
Sidoarjo Regency, especially Porong District, is an area affected by the Lapindo disaster. The disaster resulted in the closure of several industries and many workers who lost their jobs, agricultural land designation, migration of population from Si
Externí odkaz:
https://doaj.org/article/089c20ada52a4c4aab318f41c3b9167c
Autor:
Rahayu, Yuni Sri
Publikováno v:
Management of Environmental Quality: An International Journal, 2020, Vol. 31, Issue 3, pp. 586-601.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/MEQ-05-2019-0102
Autor:
Wega Trisunaryanti, Triyono Triyono, Nugroho Raka Santoso, Savitri Larasati, Cahyarani Paramesti, Dyah Ayu Fatmawati
Publikováno v:
Indonesian Journal of Chemistry, Vol 21, Iss 3, Pp 527-536 (2020)
The analysis of the effect of cobalt concentration supported on mesoporous silica (MS) has been evaluated. This study was aimed to observe the physical and chemical characteristics of the catalysts, and also to study the catalytic activity and its se
Externí odkaz:
https://doaj.org/article/f83d671531d64874b51d2e6ce28dc671
Autor:
Ika Fitri Ulfindrayani, Nurani Ikhlas, Qurrota A’yuni, Nurull Fanani, Binaria Lumban Gaol, Devi Lestari
Publikováno v:
CHEESA, Vol 2, Iss 2, Pp 50-55 (2019)
Metil orange merupakan salah satu zat warna yang banyak digunakan di industri tekstil. Metil orange ini tergolong ke dalam zat warna yang berbahaya bagi lingkungan. Salah satu metode yang baik digunakan untuk mengurangi bahaya dari metil orange yaitu
Externí odkaz:
https://doaj.org/article/b3f3657e3a084a308f607af517f1835a
Autor:
Nur Hidayatul Nazirah Kamarudin, Herma Dina Setiabudi, Aishah Abdul Jalil, Siti Hazirah Adam, Nur Fatien Muhamad Salleh
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 14, Iss 1, Pp 189-195 (2019)
This study applied ultrasonic irradiation technique to remove acid orange 52 (AO52) and in the meantime utilizing the potential adsorbent, Lapindo volcanic mud (LVM). LVM was collected from the erupted mud in Sidoarjo, Indonesia and calcined prior th
Externí odkaz:
https://doaj.org/article/2ce6f79329da4e1db879883ab0b7712b