Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Helmy, Qomarudin"'
Publikováno v:
E3S Web of Conferences, Vol 485, p 05001 (2024)
Nickel is one of the heavy metals that has potential uses in industrial factories. The high demand for nickel causes various efforts to be made to recover nickel from waste. In general, metal recovery is carried out using chemicals in large quantitie
Externí odkaz:
https://doaj.org/article/6e93f3c8e74c4f28a792f262949f512e
Publikováno v:
In Procedia Chemistry 2015 14:326-333
Publikováno v:
E3S Web of Conferences, Vol 148, p 05008 (2020)
Biological sulfide oxidation using immobilized cells offers high removal efficiency, minimum cell loss, possibility of cells reuse, and protect cells from harmful substances and conditions in the bulk environment. In this study, sulfide was treated u
Externí odkaz:
https://doaj.org/article/ddfbe4b256cc44a1b503b1b5c8a20014
Autor:
Arifianingsih Nur Novilina, Zevi Yuniati, Helmy Qomarudin, Notodarmojo Suprihanto, Fujita Hirofumi, Shimayama Yoshinobu, Kirihara Masao
Publikováno v:
E3S Web of Conferences, Vol 148, p 07011 (2020)
This research was conducted to treat peat water using oxidation and physical filtration system. Initially, the characterization of peat water was determined by three parameters, including iron (Fe), turbidity, and color. These three parameters exhibi
Externí odkaz:
https://doaj.org/article/ae7e408a1ffe4b78adce3fecc26eef78
Autor:
Liew, Chin Seng, Lim, Jun Wei, Raksasat, Ratchaprapa, Rawindran, Hemamalini, Ho, Yeek Chia, Mohamad, Mardawani, Kiatkittipong, Worapon, Helmy, Qomarudin, Lam, Man Kee
Publikováno v:
AIP Conference Proceedings; 2023, Vol. 2669 Issue 1, p1-7, 7p
Publikováno v:
MATEC Web of Conferences, Vol 276, p 06030 (2019)
Landfill is the most commonly method of municipal solid waste disposal in many countries. This practice has great potential to produce highly polluted leachate in massive quantities, which can cause environmental contamination. Biological processes a
Externí odkaz:
https://doaj.org/article/44736178689d474a839fc9e9cb778369
Autor:
Helmy, Qomarudin, Kardena, Edwan
Publikováno v:
In Case Studies in Chemical and Environmental Engineering June 2024 9
Publikováno v:
MATEC Web of Conferences, Vol 197, p 13015 (2018)
Surface water pollution caused by industrial, agricultural, and domestic waste limit the availability of clean water sources. One solution is to use sea water as a source of clean water. Seawater desalination using solar energy is now growing. The pu
Externí odkaz:
https://doaj.org/article/227321b6e5f94cfc8a97f1e934fa4f42
Publikováno v:
E3S Web of Conferences, Vol 31, p 03005 (2018)
Traditional oil mining activities always ignores environmental regulation which may cause contamination in soil and environment. Crude oil contamination in low-permeability soil complicates recovery process because it requires substantial energy for
Externí odkaz:
https://doaj.org/article/af92bf9629e1459fb224fb1ee429836c
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