1. Application of cellulose of Boehmeria nivea as natural flocculants in direct flocculation. Issue 1 (1st July 2022) Authors: Fauzani, D; Notodarmojo, S; Handajani, M; Helmy, Q; Kardiansyah, T Journal: IOP conference series Issue: Volume 1065:Issue 1(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Arsenic removal in groundwater by integrated ozonation and adsorption by activated carbon and zeolite. Issue 1 (June 2019) Authors: Rusmana, YF; Notodarmojo, S; Helmy, Q Journal: IOP conference series Issue: Volume 536:Issue 1(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Arsenic removal in groundwater by UV based photocatalysis with immobilized ZnO-nanoparticle on ceramic plate. Issue 1 (June 2019) Authors: Adnan, A; Notodarmodjo, S; Helmy, Q Journal: IOP conference series Issue: Volume 536:Issue 1(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Biosurfactant and chemical surfactant effectiveness test for oil spills treatment in a saline environment. Issue 1 (November 2021) Authors: Leslie, M; Kardena, E; Helmy, Q Journal: IOP conference series Issue: Volume 896:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Biosurfactants production using glucose and molasses as carbon sources by Azotobacter vinelandii and soil washing application in hydrocarbon-contaminated soil. Issue 1 (April 2020) Authors: Devianto, L A; Latunussa, C E L; Helmy, Q; Kardena, E Journal: IOP conference series Issue: Volume 475:Issue 1(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Decolorization of Reactive black-5 Dye by UV based photocatalytic with immobilized ZnO nanoparticles onto ceramic plate surface. Issue 1 (June 2019) Authors: Aditya, W; Notodarmodjo, S; Helmy, Q Journal: IOP conference series Issue: Volume 536:Issue 1(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Faecal sludge treatment facility site selection using GIS-based multi-criteria analysis and AHP: Case study of Bogor Regency. Issue 1 (April 2021) Authors: Devianto, L A; Dewi, N N A M S U; Helmy, Q; Chaerul, M Journal: IOP conference series Issue: Volume 733:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Potential of Soil Amendments and Jatropha Curcas Plant in the Remediation of Heavy Metals Contaminated Agricultural Land. Issue 1 (June 2019) Authors: Leapheng, R; Effendi, A J; Helmy, Q Journal: IOP conference series Issue: Volume 536:Issue 1(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. Reactive Black-5 Removal by Ozonation as Post Treatment. Issue 1 (June 2019) Authors: Wantoputri, NI; Notodarmojo, S; Helmy, Q Journal: IOP conference series Issue: Volume 536:Issue 1(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Reactive Black-5 Removal by Ozonation as Post Treatment. Issue 1 (June 2019) Authors: Wantoputri, NI; Notodarmojo, S; Helmy, Q Journal: IOP conference series Issue: Volume 536:Issue 1(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗