Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Izarul Machdar"'
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan, Vol 17, Iss 2, Pp 171-181 (2023)
The rapid development of industrialization and urbanization in the world impact increased water pollution. Human activities, such as dam constructions, excessive water consumption, severance of river flows, compaction of riverbanks, and excessive use
Externí odkaz:
https://doaj.org/article/3d78eafd97674779816417430e9b56c7
Publikováno v:
JLI: Jurnal Litbang Industri, Vol 11, Iss 2, Pp 110-116 (2021)
Arang dapat diubah menjadi karbon aktif melalui tahapan aktivasi, yang mana proses ini dapat dilakukan secara kimia maupun fisika, dengan tujuan memperbesar ukuran porinya.Pada paper ini telah dikaji mengenai karakteristik karbon aktif dari arang tem
Externí odkaz:
https://doaj.org/article/0acb3a8102564993bb2371e99abd5674
Autor:
Umi Fathanah, Izarul Machdar, Medyan Riza, Nasrul Arahman, Mirna Rahmah Lubis, Mukramah Yusuf
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan, Vol 15, Iss 1, Pp 53-61 (2020)
Membrane technology has been implemented broadly for clean water treatment. To produce a better membrane, modification is carried out by adding chitosan into a polymer solution. Materials used in this research are polyethersulfone (PES) 18%, the n-me
Externí odkaz:
https://doaj.org/article/c9a0fe0465e046b392ea2c9669c11450
Publikováno v:
Jurnal Serambi Engineering, Vol 6, Iss 3 (2021)
Utilization of distilled patchouli waste is still very limited, so to optimize it, research is carried out on the manufacture of granule compost from patchouli solid waste trough 3 stages of activity. First aerobic fermentation process of Aceh Jaya p
Externí odkaz:
https://doaj.org/article/f38cc6de661047d39a7f1a19c77206e9
Publikováno v:
Sustainable Environment Research, Vol 28, Iss 6, Pp 282-288 (2018)
The effects of sponge pore-size (SPS) in a down-flow hanging sponge reactor were evaluated, in terms of removing organic and nitrogen substances from anaerobic reactor effluent. Five down-flow hanging sponge reactors with SPSs of 0.56, 0.63, 0.83, 1.
Externí odkaz:
https://doaj.org/article/59b5ab63564f4b0785fdb56804823e15
Autor:
Izarul Machdar, Cut Faradillasari, Nurul Atika Khair, Teku Muhammad Asnawi, Alfiansyah Yulianur BC, Y Yunardi
Publikováno v:
JLI: Jurnal Litbang Industri, Vol 8, Iss 1, Pp 11-16 (2018)
The present study reports the performance of magnetic activated carbon impregnated with Fe2+ and Fe3+ on the removal of dye from a simulated wastewater. The magnetic activated carbon (MAC) as a magnetic absorbent was prepared by co-precipitation meth
Externí odkaz:
https://doaj.org/article/17195b6717104c6f8e345ba4c07e8f40
Autor:
Faisal Faisal, Izarul Machdar, Syaifullah Muhammad, Takashi Onodera, Kazuaki Syutsubo, Akiyoshi Ohashi
Publikováno v:
JLI: Jurnal Litbang Industri, Vol 7, Iss 1, Pp 11-18 (2017)
Wastewater pollution will continue to grow as the population and community activities continue to increase. Various techniques have been applied for domestic waste treatment, but generally these processes require relatively high operation and mainten
Externí odkaz:
https://doaj.org/article/b14975a03743436393ed0f74e0c6002f
Autor:
Izarul Machdar
Publikováno v:
JLI: Jurnal Litbang Industri, Vol 6, Iss 2, Pp 83-88 (2016)
Performance efficiency in a Downflow Hanging Sponge (DHS) bioreactor is associated with the amount of time that a wastewater remains in the bioreactor. The bioreactor is considered as a plug flow reactor and its hydraulic residence time (HRT) depends
Externí odkaz:
https://doaj.org/article/09ce3c8dd7794737a80ad6761b9ecf01
Publikováno v:
International Journal of Technology, Vol 7, Iss 5, Pp 767-777 (2016)
The combination of baffled air flotation and a membrane system for the treatment of palm oil mill effluent (POME) was studied. The POME was obtained from a palm oil factory in PTPN I Tanjong Seumantoh, Aceh, Indonesia. Operation variables and cond
Externí odkaz:
https://doaj.org/article/73a46f19b49a4112a1fa4c1174e2df47
Publikováno v:
Jurnal Serambi Engineering, Vol 3, Iss 1 (2018)
School is one of areas that must be controlled by noise level. In accordance with the quality standards of noise level at the school or educational institution is 55 dB. The school conditions polluted air pollution will affect the comfort and ultimat
Externí odkaz:
https://doaj.org/article/f877f3d7ec704f3296d3196ab3b99707