Combination of coagulation, adsorption, and ultrafiltration processes for organic matter removal from peat water

M Elma, AE Pratiwi, A Rahma, ELA Rampun… - Sustainability, 2021 - mdpi.com
The high content of natural organic matter (NOM) is one of the challenging characteristics of
peat water. It is also highly contaminated and contributes to some water-borne diseases …

Designing a mesoporous hybrid organo-silica thin film prepared from an organic catalyst

A Sumardi, M Elma, ELA Rampun… - Membrane …, 2021 - magonlinelibrary.com
Silica material has limited hydrostability when it is produced as a thin film. In order to
mitigate this restriction a modification strategy is needed. This article provides details of …

Photocatalytic–pervaporation using membranes based on organo-silica for wetland saline water desalination

ZL Assyaifi, M Elma, I Syauqiah, ELA Rampun… - Membrane …, 2021 - Elsevier
This study aims to analyse the morphological structure of organo-silica membranes and
investigate their use and performance in a hybrid photocatalytic–pervaporation process for …

[HTML][HTML] Hydrogel derived from water hyacinth and pectin from banana peel as a membrane layer

M Elma, NKDA Saraswati, PFA Simatupang… - Materials Today …, 2023 - Elsevier
Hydrogels is a unique material that affordable to apply as a membranes layer. In tropical
country, such as Indonesia there is easily found water hyacinth (a weed plant) which is …

TEOS/TEVS membrane by dual acid-base catalyzed in seawater desalination with different temperature feeds

M Elma, Y Mawaddah, LS Wati, A Sumardi… - AIP Conference …, 2023 - pubs.aip.org
Lack of clean water lately becomes a major concern in South Kalimantan-Indonesia.
Seawater has potential to fulfill water needs. However, it has a high salt content of 35 gL-1 …

Organo-Silica Membrane Prepared from TEOS-TEVS Modified with Organic-Acid Catalyst for Brackish Water Desalination

M Elma, AE Lestari, A Sumardi, ZL Assyaifi… - … Rekayasa Kimia & …, 2021 - jurnal.usk.ac.id
The sol gel process is one of the processes used in the manufacture of thin films on
membranes because it can control the pore size in the resulting silica matrix. In addition …

Removal of artificial iron ions using activated carbon from sago pith waste

I Syauqiah, ASK Harivram, ELA Rampun… - Materials Today …, 2022 - Elsevier
In the present day, the industry is growing rapidly. Every process in the industries brings out
pollution. Heavy metals, especially iron ions have contaminated water resources due to …

Vacuum versus air calcination of modified TEOS-MTES based membrane for seawater desalination

M Elma, L Septyaningrum, R Rahmawati… - AIP Conference …, 2023 - pubs.aip.org
Tetraethyl orthosilicate-methytriethoxysilane (TEOS-MTES) was successfully fabricated in
this work to be applied in desalination. The aim of this work is to investigate xerogel …

PVDF-TiO2 hollow fibre membrane for water desalination

M Elma, M Mahmud, N Huda, ZL Assyaifi… - Jurnal Riset Teknologi …, 2021 - jrtppi.id
The clean water crisis is increasing along with the increasing human population. Sea water
is one of the largest water sources that can be utilized on the earth. However, the high salt …

[PDF][PDF] Deconvolution of TEOS/TEVS xerogel by single or dual organic catalyst addition

A Sumardi, M Elma, AE Lestari, ZL Assyaifi… - Jurnal Kimia …, 2021 - academia.edu
Currently, xerogel has been applied as a filtration material, especially in membrane
desalination. However, the xerogel matrix structure for desalination have to be designed …