Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Maktum Muharja,"'
Autor:
Dwina Moentamaria, Zakijah Irfin, Achmad Chumaidi, Arief Widjaja, Tri Widjaja, Maktum Muharja, Rizki Fitria Darmayanti
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 19, Iss 2, Pp 215-229 (2024)
The low cost and excellent catalytic properties of lipase for industrial processes are highly desirable. A promising new approach involves the support modification of lipase and spacer arm, which enables the enhancement of lipase properties. This stu
Externí odkaz:
https://doaj.org/article/835db1c84782497db28885de60d879da
Autor:
Rizki Fitria Darmayanti, Maktum Muharja, Bramantyo Airlangga, Arief Widjaja, Ara Nugrahayu Nalawati
Publikováno v:
International Journal of Technology, Vol 15, Iss 4, Pp 890-902 (2024)
This study compared free and immobilized cells with palm oil and hexanol as an extractant in a large volume ratio of extractant to the broth. Fermentation was conducted using TYA (Tryptone-Yeast-Acetate) media, glucose as the substrate and the pal
Externí odkaz:
https://doaj.org/article/b391f4d7eef84cb3ae4f860e210434f9
Autor:
Abdul Halim, Farah Layli Ramadhani, Latif Wahyudi, Roni Maryana, Maya Ismayati, Maktum Muharja, Nanta Fakih Prebianto, Edwin K. Sijabat, Azmi Alvian Gabriel, Surya Iryana Ihsanpuro
Publikováno v:
South African Journal of Chemical Engineering, Vol 49, Iss , Pp 114-121 (2024)
The application of the expanded polystyrene (EPS) waste to the functional material is still a challenge. The hydrophobic property of polystyrene has a potential to create a superhydrophobic surface. Here, we use expanded polystyrene waste to coat sur
Externí odkaz:
https://doaj.org/article/6710199add264c37a99efbb8d6d781e3
Autor:
Zuhriah Mumtazah, Reva Edra Nugraha, Arif Priyangga, Maktum Muharja, Rizki Fitria Darmayanti, Ditta Kharisma Yolanda Putri, Husnul Khotimah
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 10, Iss , Pp 100956- (2024)
Managing fouling from organic and biological materials has consistently posed a significant challenge in water and wastewater treatment via membrane technology. This research aimed to develop a new membrane with hydrophilic characteristics and assess
Externí odkaz:
https://doaj.org/article/c040e1eaf6b34638b49c1e16380d4efa
Autor:
Maktum Muharja, Husnul Khotimah, Darmayanti Rizki Fitria, Prastika Andika, Khamil Achri Isnan, Azhar Badril
Publikováno v:
Jurnal Teknik Kimia dan Lingkungan, Vol 8, Iss 1, Pp 1-13 (2024)
Biogas has been considered as a renewable alternative energy produced by anaerobic digestion of cow manure. A process of anaerobic digestion of cow manure was simulated by Aspen Plus software to analyze the cost of production. The simulated project u
Externí odkaz:
https://doaj.org/article/edff796ac4a4490b98eedef48f921b55
Autor:
Rahadian Abdul Rachman, Nurul Widiastuti, Adi Setyo Purnomo, Arief Widjaja, Zuhriah Mumtazah, Rizki Fitria Darmayanti, Maktum Muharja
Publikováno v:
South African Journal of Chemical Engineering, Vol 48, Iss , Pp 436-450 (2024)
The main challenge with membrane bioreactors is fouling, which leads to decreased flux performance and a shortened membrane lifespan. This study aims to provide a solution for the flux recovery and removal of irreversible fouling on Polyvinylidene Fl
Externí odkaz:
https://doaj.org/article/d316e2890adf4b79a5891b799aba3d5d
Publikováno v:
South African Journal of Chemical Engineering, Vol 47, Iss , Pp 312-321 (2024)
Crude nyamplung Calophyllum inophyllum is a potential non-edible feedstock for biodiesel production. Calophyllum Inophyllum oil (CCIO) is a non-edible oil that has a high content of triglyceride (TG) and free fatty acid (FFA). This study aims to opti
Externí odkaz:
https://doaj.org/article/9371e95df9b140aba667c0002ed1b346
Autor:
Nur Fadhilah, Maktum Muharja, Doty Dewi Risanti, Ruri Agung Wahyuono, Dendy Satrio, Achri Isnan Khamil, Siska Nuri Fadilah
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 18, Iss 4, Pp 615-626 (2023)
The presence of oxide layers covering the surface of aluminum is known to impede the hydrogen production reaction. These oxide layers can be broken by adding catalysts and increasing the aluminum-water reaction temperature. Common catalysts used are
Externí odkaz:
https://doaj.org/article/10e725ef50564726882df2ff2d5305dc
Autor:
Maktum Muharja, Siska Nuri Fadilah, Nur Fadhilah, Rizki Fitria Darmayanti, Arief Widjaja, Achri Isnan Khamil
Publikováno v:
Rekayasa, Vol 16, Iss 2, Pp 107-116 (2023)
Subcritical water hydrolysis of bagasse requires energy to convert lignocellulosic biomass into fermentation-ready sugars. Bagasse biomass has the potential to be used as raw material for the production of reducing sugar. This study evaluates the eff
Externí odkaz:
https://doaj.org/article/c8c796d4e46a4385ae0568a98df0a7d7
Autor:
Nur Fadhilah1, Maktum Muharja2 maktum@unej.ac.id, Doty Dewi Risanti1 risanti@ep.its.ac.id, Ruri Agung Wahyuono1, Dendy Satrio3, Achri Isnan Khamil2, Siska Nuri Fadilah4
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis. Dec2023, Vol. 18 Issue 4, p615-626. 12p.