| Agricultural Land Pollution in Indonesia: Land Restoration and Reclamation Strategies
Q Helmy, P Suryatmana
Microbial Solutions for Sustainable Agriculture, 207-236
|
|
2026 |
| Heavy metal removal from coal fly ash under alkaline conditions by indigenous bacteria isolated from a coal ash dumpsite
Y Lisafitri, E Kardena, Q Helmy
Journal of Ecological Engineering 26 (4)
|
1 |
2025 |
| Enhancing field-scale bioremediation of weathered petroleum oil-contaminated soil with biocompost as a bulking agent
Q Helmy, E Kardena
Case Studies in Chemical and Environmental Engineering 9, 100735
|
15 |
2024 |
| Potential, isolation, and characterization of bacteria isolates from a coal ash dumpsite for recovery of nickel from coal fly ash
Y Lisafitri, E Kardena, Q Helmy
E3S Web of Conferences 485, 05001
|
4 |
2024 |
| Adsorption of Crystal Violet with Magnetic Graphene Oxide Nano Adsorbent Synthesized from Schima wallichii Wood
QH Danar Arifka Rahman, Mindriany Syafila
Indonesian Journal of Chemistry 24 (1), 13-22
|
3 |
2024 |
| Solubilizing waste activated sludge via thermal treatment to enhance the biodegradability
CS Liew, JW Lim, R Raksasat, H Rawindran, YC Ho, M Mohamad, …
AIP Conference Proceedings 2669 (1), 030001
|
|
2023 |
| DEKOLORISASI ZAT WARNA AZO MENGGUNAKAN ADVANCED OXIDATION PROCESS BERBASIS OZON
MS Qomarudin Helmy
Arena Tekstil 38 (1), 37-44
|
|
2023 |
| The synthesis and use of bio-based flocculant from Boehmeria nivea in coagulation-flocculation and direct flocculation of kaolin suspension
D Fauzani, S Notodarmojo, M Handajani, Q Helmy, T Kardiansyah
|
1 |
2023 |
| Effect of activated carbon particle size on methylene blue adsorption process in textile wastewater
AMH Musthofa, M Syafila, Q Helmy
Indonesian Journal of Chemistry 23 (2), 461-474
|
18 |
2023 |
| Biosurfactants in Oil Spill Cleanup
E Kardena, Q Helmy
Marine Surfactants, 327-374
|
1 |
2022 |
| Methylene Blue Adsorption by Activated Carbon and Nano–Activated Carbon from Biomass Waste: A Review
M Syafila, Q Helmy, AMH Musthofa
Jurnal Presipitasi: Media Komunikasi dan Pengembangan Teknik Lingkungan 19 …
|
7 |
2022 |
| The synthesis and use of α-cellulose and cationic cellulose from Boehmeria nivea as bio-flocculants in flocculation of kaolin suspension
D Fauzani, S Notodarmojo, M Handajani, Q Helmy, T Kardiansyah
|
|
2022 |
| Adsorption of Dyes Using Graphene Oxide-Based Nano-Adsorbent: A Review
DA Rahman, Q Helmy, M Syafila, A Gumilar
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan 19 …
|
7 |
2022 |
| Application of cellulose of Boehmeria nivea as natural flocculants in direct flocculation
D Fauzani, S Notodarmojo, M Handajani, Q Helmy, T Kardiansyah
IOP Conference Series: Earth and Environmental Science 1065 (1), 012002
|
1 |
2022 |
| Ozone-based processes in dye removal
Q Helmy, IWK Suryawan, S Notodarmojo
Advanced Oxidation Processes in Dye-Containing Wastewater: Volume 1, 91-128
|
6 |
2022 |
| Activated sludge: conventional dye treatment technique
RL Widajatno, E Kardena, NN Arifianingsih, Q Helmy
Biological Approaches in Dye-Containing Wastewater: Volume 1, 119-153
|
8 |
2022 |
| Enhanced remediation of hydrocarbons contaminated soil using electrokinetic soil flushing–landfarming processes
AJ Effendi, BS Ramadan, Q Helmy
Bioresource Technology Reports 17, 100959
|
26 |
2022 |
| Organic Pollutant Biodegradation by an Immobilized Mixed Bacterial Culture
E Kardena, Q Helmy
Jurnal Teknik Lingkungan 28 (2)
|
|
2022 |
| Environmental impact of municipal wastewater management based on analysis of life cycle assessment in Denpasar City
IWK Suryawan, A Rahman, JW Lim, Q Helmy
Desalination and water treatment 244, 55-62
|
37 |
2021 |
| Removal of cyanide from alumina smelter wastewater using precipitation and filtration technique
MF Huda, Q Helmy
IOP Conference Series: Earth and Environmental Science 896 (1), 012075
|
2 |
2021 |
| Biosurfactant and chemical surfactant effectiveness test for oil spills treatment in a saline environment
M Leslie, E Kardena, Q Helmy
IOP Conference Series: Earth and Environmental Science 896 (1), 012041
|
5 |
2021 |
| The cellulose of Boehmeria nivea as natural flocculants: synthesis, modification, and flocculation analysis
D Fauzani, S Notodarmojo, M Handajani, Q Helmy, T Kardiansyah
IOP Conference Series: Earth and Environmental Science 896 (1), 012056
|
7 |
2021 |
| Cellulose in natural flocculant applications: A review
D Fauzani, S Notodarmojo, M Handajani, Q Helmy, T Kardiansyah
Journal of Physics: Conference Series 2047 (1), 012030
|
30 |
2021 |
| Comparison of ozone pre-treatment and post-treatment hybrid with moving bed biofilm reactor in removal of Remazol Black 5
IWK Suryawan, IY Septiariva, Q Helmy, S Notodarmojo, M Wulandari, …
International Journal of Technology 12 (2), 728-738
|
30 |
2021 |
| Textile dye reactive black 5 (rb5) bio-sorption with moving bed biofilm reactor and activated sludge
IWK Suryawan, Q Helmy, S Notodarmojo, R Pratiwi, IY Septiariva
Indonesian Journal of Environmental Management and Sustainability 5 (2), 67-71
|
11 |
2021 |
| Antimicrobial Effect of Piper betle Leaves Extract on Cotton Fabrics for Vaginal Discharge Sanitary Napkins
S Gustiani, W Septiani, C Kasipah, D Sukardan, Q Helmy
Advanced Materials Research 1162, 159-165
|
4 |
2021 |
| Faecal sludge treatment facility site selection using GIS-based multi-criteria analysis and AHP: Case study of Bogor Regency
LA Devianto, N Dewi, Q Helmy, M Chaerul
IOP Conference Series: Earth and Environmental Science 733 (1), 012150
|
5 |
2021 |
| Textile Wastewater Post Treatment Using Ozonation
NI Wantoputri, Q Helmy, S Notodarmojo
Jurnal Presipitasi 18 (1), 56-63
|
7 |
2021 |
| Optimization Approach for Solvent Extraction Process of Oily Contaminated Soil with Addition of Biosurfactant
L Fitriyani, E Kardena, Q Helmy
대한환경공학회지 43 (2), 117-127
|
1 |
2021 |
| Xanthan Gum by Xanthomonas Campestris as Printing Thickener on Cotton Fabrics with Reactive Dyes
S Gustiani, C Kasipah, Q Helmy
Proceedings of the 1st International Conference on Islam, Science and …
|
2 |
2021 |
| Performance of Microbial Fuel Cell with Variation of External Resistors in Producing Electrical Energy and Removing Organic Compounds in Wastewater
S Hidayat, DW Aghnia, E Kardena, Q Helmy
JURNAL PRESIPITASI: MEDIA KOMUNIKASI DAN PENGEMBANGAN TEKNIK LINGKUNGAN …
|
2 |
2020 |
| Application of mercury resistant bacteria isolated from artisanal small-scale gold tailings in biotransformation of mercury (II)-Contaminated soil
S Hidayat, E Kardena, Y Panha, Q Helmy
GEOMATE Journal 19 (71), 106-114
|
10 |
2020 |
| SUSTAINABLE REGENERATION OF MORDENITE MINERAL AS ION EXCHANGER FOR REMOVAL IRON AND MANGANESE IN GROUNDWATER
E Septiyani, Y Zevi, NN Arifianingsih
MATTER: International Journal of Science and Technology 6 (1), 147-160
|
5 |
2020 |
| Microorganisms
M Blumenberg, M Shaaban, A Elgaml
BoD–Books on Demand
|
|
2020 |
| IMOBILISASI KULTUR CAMPURAN MIKROBA DAN KARAKTERISTIK AKTIFITASNYA DALAM MENURUNKAN ORGANIK DAN AMONIAK PADA LIMBAH CAIR DOMESTIK IMMOBILIZATION OF MICROBIAL MIX CULTURE AND …
HGPQH Edwan Kardena
JURNAL TEKNIK LINGKUNGAN, INSTITUT TEKNOLOGI BANDUNG 26 (1), 73-86
|
5* |
2020 |
| Application of rhamnolipid biosurfactant for bio-detergent formulation
Q Helmy, S Gustiani, AT Mustikawati
IOP Conference Series: Materials Science and Engineering 823 (1), 012014
|
47 |
2020 |
| Biosurfactants production using glucose and molasses as carbon sources by Azotobacter vinelandii and soil washing application in hydrocarbon-contaminated soil
LA Devianto, CEL Latunussa, Q Helmy, E Kardena
IOP Conference Series: Earth and Environmental Science 475 (1), 012075
|
18 |
2020 |
| Kinerja Microbial Fuel Cell dengan Variasi Hambatan Eksternal dalam Menghasilkan Energi Listrik dan Menyisihkan Senyawa Organik pada Limbah Cair
S Hidayat, DW Aghnia, E Kardena, Q Helmy
Jurnal Presipitasi: Media Komunikasi dan Pengembangan Teknik Lingkungan 17 …
|
3 |
2020 |
| Laboratory scale ozone-based post-treatment from textile wastewater treatment plant effluent for water reuse
IWK Suryawan, Q Helmy, S Notodarmojo
Journal of Physics: Conference Series 1456 (1), 012002
|
28 |
2020 |
| Sulfide removal using immobilized living cell in alginate matrices in anaerobic condition
ODN Mentari, Q Helmy, E Kardena
E3S Web of Conferences 148, 05008
|
1 |
2020 |
| Peat water treatment using oxidation and physical filtration system and its performance in reducing iron (Fe), turbidity, and color
NN Arifianingsih, Y Zevi, Q Helmy, S Notodarmojo, H Fujita, Y Shimayama, …
E3S Web of Conferences 148, 07011
|
9 |
2020 |
| Probiotics and bioremediation
Q Helmy, E Kardena, S Gustiani
Microorganisms
|
15 |
2019 |
| Desplazamientos forzados y migraciones. Breves lecciones aprendidas en Colombia
MC de Herrera
AREA-Agenda de Reflexión en Arquitectura, Diseño y Urbanismo, 1-18
|
2 |
2019 |
| Improvement of the raw drinking water quality from shallow well by ozone treatment
Q Helmy, S Notodarmojo
IOP Conference Series: Materials Science and Engineering 620 (1), 012052
|
6 |
2019 |
| Potential of soil amendments and Jatropha curcas plant in the remediation of heavy metals contaminated agricultural land
R Leapheng, AJ Effendi, Q Helmy
IOP Conference Series: Materials Science and Engineering 536 (1), 012065
|
7 |
2019 |
| Decolorization of Reactive black-5 Dye by UV based photocatalytic with immobilized ZnO nanoparticles onto ceramic plate surface
W Aditya, S Notodarmodjo, Q Helmy
IOP Conference Series: Materials Science and Engineering 536 (1), 012068
|
6 |
2019 |
| Arsenic removal in groundwater by UV based photocatalysis with immobilized ZnO-nanoparticle on ceramic plate
A Adnan, S Notodarmodjo, Q Helmy
IOP Conference Series: Materials Science and Engineering 536 (1), 012075
|
3 |
2019 |
| Removal of hexavalent chromium from raw drinking water by zeolite-FeO composite supported carbon: case study Citarum river
YR Widyawati, S Notodarmojo, S Hidayat, Q Helmy
IOP Conference Series: Materials Science and Engineering 536 (1), 012067
|
3 |
2019 |
| Arsenic removal in groundwater by integrated ozonation and adsorption by activated carbon and zeolite
YF Rusmana, S Notodarmojo, Q Helmy
IOP Conference Series: Materials Science and Engineering 536 (1), 012073
|
11 |
2019 |
| Reactive Black-5 removal by ozonation as post treatment
NI Wantoputri, S Notodarmojo, Q Helmy
IOP Conference Series: Materials Science and Engineering 536 (1), 012083
|
10 |
2019 |
| Biosurfactant-enhanced petroleum oil bioremediation
AJ Effendi, E Kardena, Q Helmy
Microbial action on hydrocarbons, 143-179
|
23 |
2019 |
| A study on municipal leachate treatment through a combination of biological processes and ozonation
I Yenis Septiariva, T Padmi, E Damanhuri, Q Helmy
MATEC Web of Conferences 276, 06030
|
10 |
2019 |
| Heat Transfer Analysis and Water Quality in Saline Water Desalination Using Solar Energy in Vacuum Condition
RA Kusumadewi, S Notodarmodjo, Q Helmy
Indonesian Journal of Urban and Environmental Technology 2 (1), 66-87
|
6 |
2018 |
| Microbial action on hydrocarbons
AJ Effendi, E Kardena, Q Helmy
Singapore: Springer
|
10 |
2018 |
| Microbial action on hydrocarbons
V Kumar, M Kumar, R Prasad
Springer
|
50 |
2018 |
| Utilization of solar energy for sea water and brackish water desalination using vacuum pressure and number of trays variations
RA Kusumadewi, S Notodarmodjo, Q Helmy
MATEC Web of Conferences 197, 13015
|
3 |
2018 |
| Characterization of biosurfactant produced by petrofilic bacteria isolated from hydrocarbon impacted soil and its potential application in bioremediation
DM Arsyah, E Kardena, Q Helmy
IOP Conference Series: Earth and Environmental Science 106 (1), 012101
|
9 |
2018 |
| Decolourization of remazol black-5 textile dyes using moving bed bio-film reactor
R Pratiwi, S Notodarmojo, Q Helmy
IOP conference series: earth and environmental science 106 (1), 012089
|
33 |
2018 |
| Textile wastewater treatment: colour and COD removal of reactive black-5 by ozonation
IWK Suryawan, Q Helmy, S Notodarmojo
IOP conference series: earth and environmental science 106 (1), 012102
|
61 |
2018 |
| Molecular imprinted hydrogel polymer (MIHP) as microbial immobilization media in artificial produced water treatment
E Kardena, SL Ridhati, Q Helmy
IOP Conference Series: Earth and Environmental Science 106 (1), 012088
|
6 |
2018 |
| Integrating electrokinetic and bioremediation process for treating oil contaminated low permeability soil
B Surya Ramadan, A Jatnika Effendi, Q Helmy
E3S Web of Conferences 31, 03005
|
11 |
2018 |
| Removal of color and chemical oxygen demand from textile wastewater using advanced oxydation process (AOPs)
Q Helmy, S Notodarmojo, IA Aruan, R Apriliawati
IPTEK Journal of Proceedings Series 3 (6)
|
6 |
2017 |
| BIODEGRADATION OF ORGANIC MATERIAL FROM PRODUCE WATER USING CONSORTIUM MICROORGANISM WITH STEP AERATION PROCESSING
R Laksmono, Q Helmy
International Journal of Advanced Research 5 (2), 1074-1078
|
|
2017 |
| Produksi dan karakterisasi gum xanthan dari ampas tahu sebagai pengental pada proses tekstil
S Gustiani, Q Helmy, C Kasipah, E Novarini
Arena Tekstil 32 (2), 227690
|
21 |
2017 |
| Biological treatment of synthetic oilfield-produced water in activated sludge using a consortium of endogenous bacteria isolated from a tropical area
E Kardena, S Hidayat, S Nora, Q Helmy
J. Pet. Environ. Biotechnol 8 (3)
|
24 |
2017 |
| A SMALL-SCALE, LOW-TECHNOLOGY WATER TREATMENT PLANT: THE TREATMENT OF RAW WATER WITH HIGH SUSPENDED CLAY, IRON, AND MANGANESE
Q Helmy, M Zahra, S Notodarmojo
The 5th Environmental Technology and Management Conference
|
1 |
2015 |
| Degradasi surfaktan sodium lauryl sulfat dengan proses fotokatalisis menggunakan nano partikel zno
A Maretta, Q Helmy
Jurnal Teknik Lingkungan 21 (1), 1-8
|
19 |
2015 |
| Degradation of Sodium Lauryl Sulfate Surfactant with Phoyocatalytic Process Using ZnO Nanoparticle
A Maretta, Q Helmy
3rd International Seminar on Sustainable Urban Development
|
1 |
2015 |
| Petroleum oil and gas industry waste treatment; common practice in Indonesia
Q Helmy, E Kardena
Journal of Petroleum & Environmental Biotechnology 6 (5), 1
|
64 |
2015 |
| Bioremediation of aged petroleum oil contaminated soil: from laboratory scale to full scale application
Q Helmy, R Laksmono, E Kardena
Procedia Chemistry 14, 326-333
|
66 |
2015 |
| 16 Biosurfactants and Soil
E Kardena, Q Helmy, N Funamizu
Biosurfactants: Production and Utilization—Processes, Technologies, and …
|
|
2014 |
| Biosurfactants: production and utilization—processes, technologies, and economics
N Kosaric, FV Sukan
CRC press
|
176 |
2014 |
| Biosurfactants and soil bioremediation
E Kardena, Q Helmy, N Funamizu
N. Kosaric, F. Vardar-Sukan & Sukan, eds. Bio surfactants Production and …
|
16 |
2014 |
| Sintesis nanopartikel perak dan uji aktivitasnya terhadap bakteri E. coli dan S. aureus
T Wahyudi, D Sugiyana, Q Helmy
Arena Tekstil 26 (1)
|
91 |
2011 |
| Strategies toward commercial scale of biosurfactant production as potential substitute for it’s chemically counterparts
Q Helmy, E Kardena, N Funamizu, Wisjnuprapto
International Journal of Biotechnology 12 (1-2), 66-86
|
97 |
2011 |
| Application of biosurfactant produced by Azotobacter vinelandii AV01 for enhanced oil recovery and biodegradation of oil sludge
Q Helmy, E Kardena, Z Nurachman
INTERNATIONAL JOURNAL OF CIVIL AND ENVIRONMENTAL ENGINEERING 10 (1), 7-14
|
48 |
2010 |
| PERFORMANCE OF PETROFILIC CONSORTIA AND EFFECT OF SURFACTANT TWEEN 80 ADDITION IN THE OIL SLUDGE REMOVAL PROCESS.
Q Helmy, E Kardena
Journal of Applied Sciences in Environmental Sanitation 4 (3)
|
13 |
2009 |
| Jatropha seed cake as unconventional substrate for biosur-factant production by Azotobacter vinelandii
Q Helmy, CEL Latunussa, P Suryatmana, E Kardena
J Appl Ind Biotechnol Trop Reg 1, 1-5
|
1 |
2008 |
| Biosurfactants Production from Azotobacter sp. and its Appli-cation in Biodegradation of Petroleum Hydrocarbon
Q Helmy, P Suryatmana, E Kardena, N Funamizu
J. Appl. Ind. Biotechnol. Trop. Reg 1, 1-5
|
9 |
2008 |
