Search Results - "Helmy, Qomarudin"

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  1. 1

    Enhancing field-scale bioremediation of weathered petroleum oil-contaminated soil with biocompost as a bulking agent by Helmy, Qomarudin, Kardena, Edwan

    “…The field-scale cleanup of weathered petroleum oil-contaminated soils from the Minas Oil Fields in Indonesia was investigated using landfarming bioremediation…”
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    Journal Article
  2. 2

    Effect of Activated Carbon Particle Size on Methylene Blue Adsorption Process in Textile Wastewater by Musthofa, Akhmad Masykur Hadi, Syafila, Mindriany, Helmy, Qomarudin

    Published in Indonesian journal of chemistry (01-04-2023)
    “…Up to 60–70% of the total textile dyes produced are azo dyes. An example of azo dye is methylene blue, which is commonly used in dyeing wool, silk, and cotton…”
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    Journal Article
  3. 3

    Adsorption of Crystal Violet with Magnetic Graphene Oxide Nano Adsorbent Synthesized from Schima wallichii Wood by Rahman, Danar Arifka, Syafila, Mindriany, Helmy, Qomarudin

    Published in Indonesian journal of chemistry (01-02-2024)
    “…The textile industry continues to experience production developments to reach a target for the country's economic development. The increase in production leads…”
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    Journal Article
  4. 4

    Potential, isolation, and characterization of bacteria isolates from a coal ash dumpsite for recovery of nickel from coal fly ash by Lisafitri, Yuni, Kardena, Edwan, Helmy, Qomarudin

    Published in E3S web of conferences (01-01-2024)
    “…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…”
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    Journal Article
  5. 5

    Adsorption of Dyes Using Graphene Oxide-Based Nano-Adsorbent: A Review by Rahman, Danar Arifka, Helmy, Qomarudin, Syafila, Mindriany, Gumilar, Andri

    Published in Jurnal Presipitasi (30-07-2022)
    “…Graphene Oxide (GO) based adsorbents have attracted much attention from researchers because there have been many reports that they are effective for removing…”
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    Journal Article
  6. 6

    Textile Wastewater Post Treatment Using Ozonation by Wantoputri, Noviani Ima, Helmy, Qomarudin, Notodarmojo, Suprihanto

    Published in Jurnal Presipitasi (31-03-2021)
    “…The textile industry is one of the industries that discharge an enormous quantity of highly colored wastewater because of the large amount of water used in the…”
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    Journal Article
  7. 7

    Optimization Approach for Solvent Extraction Process of Oily Contaminated Soil with Addition of Biosurfactant by Fitriyani, Lely, Kardena, Edwan, Sukandar, Helmy, Qomarudin

    Published in Daehan hwan'gyeong gonghag hoeji (01-02-2021)
    “…Objectives : Solvent extraction is a process in which not only enable to reduce oil contaminant from soil residue, but also capable to recover oil from soil…”
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    Journal Article
  8. 8

    Sulfide removal using immobilized living cell in alginate matrices in anaerobic condition by Dinasakti Nurul Mentari, Okti, Helmy, Qomarudin, Kardena, Edwan

    Published in E3S web of conferences (01-01-2020)
    “…Biological sulfide oxidation using immobilized cells offers high removal efficiency, minimum cell loss, possibility of cells reuse, and protect cells from…”
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    Journal Article
  9. 9

    Comparison of Ozone Pre-Treatment and Post-Treatment Hybrid with Moving Bed Biofilm Reactor in Removal of Remazol Black 5 by I Wayan Koko Suryawan, Iva Yenis Septiariva, Qomarudin Helmy, Suprihanto Notodarmojo, Marita Wulandari, Novi Kartika Sari, Ariyanti Sarwono, Riska Pratiwi, Jun-Wei Lim

    Published in International Journal of Technology (01-10-2021)
    “…The purpose of this research is to investigate wastewater treatment with ozone pre-treatment and post-treatment integrated with Moving Bed Biofilm Reactor…”
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    Journal Article
  10. 10

    Utilization of solar energy for sea water and brackish water desalination using vacuum pressure and number of trays variations by Kusumadewi, Riana Ayu, Notodarmodjo, Suprihanto, Helmy, Qomarudin

    Published in MATEC Web of Conferences (01-01-2018)
    “…Surface water pollution caused by industrial, agricultural, and domestic waste limit the availability of clean water sources. One solution is to use sea water…”
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    Journal Article Conference Proceeding
  11. 11

    A study on municipal leachate treatment through a combination of biological processes and ozonation by Yenis Septiariva, Iva, Padmi, Tri, Damanhuri, Enri, Helmy, Qomarudin

    Published in MATEC Web of Conferences (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…”
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    Journal Article Conference Proceeding
  12. 12

    INFLUENCE OF ORGANIC LOADING AND MIXING TO THE STABILIZED LEACHATE COD REMOVAL USING CIRCULATING ANAEROBIC REACTOR by Aghasa, Aghasa, Helmy, Qomarudin, Chaerul, Mochammad

    Published in Reaktor (Semarang, Indonesia) (31-05-2017)
    “…Abstract In Indonesia, several leachate treatments were operated with most of the treatments are using conventional anaerobic lagoon system in pre-treatment…”
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    Journal Article
  13. 13

    Peat water treatment using oxidation and physical filtration system and its performance in reducing iron (Fe), turbidity, and color by Arifianingsih, Nur Novilina, Zevi, Yuniati, Helmy, Qomarudin, Notodarmojo, Suprihanto, Fujita, Hirofumi, Shimayama, Yoshinobu, Kirihara, Masao

    Published in E3S web of conferences (01-01-2020)
    “…This research was conducted to treat peat water using oxidation and physical filtration system. Initially, the characterization of peat water was determined by…”
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    Journal Article
  14. 14

    Integrating Electrokinetic and Bioremediation Process for Treating Oil Contaminated Low Permeability Soil by Surya Ramadan, Bimastyaji, Jatnika Effendi, Agus, Helmy, Qomarudin

    Published in E3S web of conferences (01-01-2018)
    “…Traditional oil mining activities always ignores environmental regulation which may cause contamination in soil and environment. Crude oil contamination in…”
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    Journal Article Conference Proceeding
  15. 15

    Environmental impact of municipal wastewater management based on analysis of life cycle assessment in Denpasar City by Suryawan, I. Wayan Koko, Rahman, Ari, Lim, Jun-Wei, Helmy, Qomarudin

    Published in Desalination and water treatment (01-12-2021)
    “…The municipal wastewater treatment in Denpasar City has a service target of 100%, which supports the Ministry of Public Works and Public Housing (PUPR),…”
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    Journal Article
  16. 16

    Methylene Blue Adsorption by Activated Carbon and Nano–Activated Carbon from Biomass Waste: A Review by Mindriany Syafila, Qomarudin Helmy, Akhmad Masykur Hadi Musthofa

    Published in Jurnal Presipitasi (01-11-2022)
    “…Dyes are becoming increasingly prevalent in wastewater, and their presence caused serious threats to the environment. One of the most widely used dyes is…”
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    Journal Article
  17. 17

    Performance of Microbial Fuel Cell with Variation of External Resistors in Producing Electrical Energy and Removing Organic Compounds in Wastewater by Hidayat, Syarif, Aghnia, Dini Widyani, Kardena, Edwan, Helmy, Qomarudin

    Published in Jurnal presipitasi (30-11-2020)
    “…wastewater into direct electrical energy. In this study, the applied external resistance in the MFC reactor was optimized to determine its optimum conditions…”
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    Journal Article
  18. 18

    Comparison of Different Volume Reactor for Batik Wastewater Pre-Treatment with Ozonation to Improve Biodegradability by Sofiyah, Evi Siti, Septiariva, Iva Yenis, Helmy, Qomarudin, Notodarmojo, Suprihanto, Suryawan, I Wayan Koko

    Published in Reaktor (Semarang, Indonesia) (18-08-2022)
    “…Batik is a unique ethnic and heritage textile from Indonesia with low biodegradability (BOD5/COD) and demanding biological wastewater treatment. However, in…”
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    Journal Article
  19. 19

    Kinerja Microbial Fuel Cell dengan Variasi Hambatan Eksternal dalam Menghasilkan Energi Listrik dan Menyisihkan Senyawa Organik pada Limbah Cair by Syarif Hidayat, Dini Widyani Aghnia, Edwan Kardena, Qomarudin Helmy

    Published in Jurnal Presipitasi (01-11-2020)
    “…Microbial Fuel Cell (MFC) merupakan teknologi yang dapat digunakan untuk mengkonversikan senyawa organik yang terkandung dalam limbah cair menjadi energi…”
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    Journal Article