| Studies on desorption and regeneration of natural pumice for iron removal from aqueous solution S Indah, D Helard, A Binuwara Water Science and Technology 2017 (2), 509-515, 2018 | 35 | 2018 |
| Utilization of maize husk (Zea mays L.) as low-cost adsorbent in removal of iron from aqueous solution S Indah, D Helard, A Sasmita Water Science and Technology 73 (12), 2929-2935, 2016 | 30 | 2016 |
| Identifikasi mikroba anaerob dominan pada pengolahan limbah cair pabrik karet dengan sistem multi soil layering (MSL) PS Komala, D Helard, D Delimas Jurnal Teknik Lingkungan UNAND 9 (1), 74-88, 2012 | 25 | 2012 |
| Efisiensi Metode Multi Soil Layering (MSL) dalam Penyisihan COD dari Limbah Cair Hotel (Studi Kasus: Hotel" X" Padang) S Elystia, S Indah, D Helard Jurnal Teknik Lingkungan UNAND 9 (2), 121-128, 2012 | 16 | 2012 |
| Pengaruh Variasi Rasio Waktu Reaksi terhadap Waktu Stabilisasi pada Penyisihan Senyawa Organik dari Air Buangan Pabrik Minyak Kelapa Sawit dengan Sequencing Batch Reactor Aerob D Helard Universitas Andalas, Sumatera Barat, 2007 | 16 | 2007 |
| The Adsorption and Regeneration of Natural Pumice as LowCost Adsorbent for Nitrate Removal From Water D Helard, S Indah, CM Sari, H Mariesta Journal of Geoscience, Engineering, Environment, and Technology 3 (02), 86-93, 2018 | 14 | 2018 |
| Rapid vermicomposting of fresh fruit and vegetable wastes using earthworm Eisenia foetida K Huang, F Li, J Li, D Helard, K Hirooka Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research …, 2012 | 12 | 2012 |
| Utilization of pumice from Sungai Pasak, West Sumatera, Indonesia as low-cost adsorbent in removal of manganese from aqueous solution S Indah, D Helard, T Edwin, R Pratiwi AIP Conference Proceedings 1823 (1), 2017 | 10 | 2017 |
| Biodegradation of natural estrogens by biofilms from biological activated carbon: effect of temperature X Guo, F Li, D Helard, T Kawaguchi Scientific Research Publishing, 2012 | 10 | 2012 |
| Evaluation of iron and manganese-coated pumice from Sungai Pasak, West Sumatera, Indonesia for the removal of Fe (II) and Mn (II) from aqueous solutions S Indah, D Helard Procedia Environmental Sciences 37, 556-563, 2017 | 8 | 2017 |
| FORMATION AND ROLE OF BACTERIAL COMMUNITY IN THE SEDIMENT BED OF OPEN CHANNEL RECEIVING JOHKASOU EFFLUENT: MULTIVARIATE STATISTICAL ANALYSIS INTERPRETATION D HELARD, JA FAJRI, AS SETIYAWAN, F LI, T YAMADA, A HORIO, ... Journal of Japan Society of Civil Engineer (JSCE) Ser. G (Environmental …, 2012 | 8 | 2012 |
| Spatial variation of electrical conductivity, total suspended solids, and total dissolved solids in the Batang Arau River, West Sumatera, Indonesia D Helard, S Indah, M Wilandari IOP Conference Series: Materials Science and Engineering 1041 (1), 012027, 2021 | 7 | 2021 |
| Spatial distribution of coliform bacteria in Batang arau River, Padang, west Sumatera, Indonesia D Helard, S Indah, M Wilandari IOP Conference Series: Materials Science and Engineering 602 (1), 012062, 2019 | 7 | 2019 |
| Spatial variability of ammonium, nitrite and nitrate concentrations in water of Batang Arau River, West Sumatera, Indonesia D Helard, S Indah, M Oktavia Water Supply 20 (4), 1484–1492, 2020 | 6 | 2020 |
| Pengaruh variasi konsentrasi logam mangan (Mn) terhadap efisiensi penyisihan logam besi (Fe) pada adsorpsi menggunakan serbuk kulit jagung sebagai adsorben S Indah, D Helard, R Yedriana Dampak 13 (2), 100-106, 2016 | 6 | 2016 |
| Kajian Kinerja Pengelolaan Sistem Penyediaan Air Minum (SPAM) di Kabupaten Solok dan Kota Solok Berbasis Buku Kinerja Badan Peningkatan Penyelenggaraan Sistem Penyediaan Air Minum A Nasution, D Helard, S Indah CIVED 8 (3), 213-228, 2021 | 5 | 2021 |
| Spatial variation of metals in the Batang Arau River, West Sumatera, Indonesia S Indah, D Helard, MA Herfi, H Hamid Water Environment Research 90 (3), 234-243, 2018 | 5 | 2018 |
| Penyisihan Kalium Dari Limbah Cair Persawahan Dengan Metode Multi Soil Layering (Msl) T Ihsan, S Indah, D Helard Dampak 10 (2), 133-141, 2013 | 5 | 2013 |
| Evaluasi Sistem Jaringan Distribusi Dan Perencanaan Pengendalian Tekanan Pada Zona Spam Jawa Gadut, Kecamatan Pauh, Pdam Kota Padang T Wirawan, D Helard, PS Komala Jurnal Rekayasa 10 (1), 1-16, 2020 | 4 | 2020 |
| Removal of nitrate from groundwater by column using pumice as adsorbent as an effort for water resources conservation D Helard, S Indah, DP Kiflia IOP Conference Series: Materials Science and Engineering 846 (1), 012059, 2020 | 4 | 2020 |
Shinta IndahAndalas UniversityEmail yang diverifikasi di eng.unand.ac.id
