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Januar Arif Fatkhurrahman
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Balai Besar Teknologi Pencegahan Pencemaran Industri Bagian Penelitian dan Pengembangan Jl. Kimangunsarkoro No 6 Semarang, Jawa Tengah, Indonesia 50136
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Jurnal Riset Teknologi Pencegahan Pencemaran Industri
Published by Balai Besar Standardisasi dan Pelayanan Jasa Pencegahan Pencemaran Industri
ISSN : 20870965     EISSN : 25035010     DOI : https://doi.org/10.21771
Core Subject : Science, Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Engineering Environmental Science
Jurnal Riset Teknologi Pencegahan Pencemaran Industri is published biannualy by the Balai Besar Teknologi Pencegahan Pencemaran Industri, this is Research and Development Institution under Badan Penelitian dan Pengembangan Industri of Ministry of Industry Republic Indonesia. The Jurnal Riset Teknologi Pencegahan Pencemaran Industri covers a broad spectrum of the science and technology of air, soil, and water pollution management and control while emphasizing scientific and engineering solutions to environmental issues encountered in industrialization. Particularly, interdisciplinary topics and multi-regional/global impacts of environmental pollution, advance material, and energy as well as scientific and engineering aspects of novel technologies are considered favorably. The scope of the Journal includes the following areas, but is not limited to: 1. Environmental Technology, within the area of air pollution technology, wastewater treatment technology, and management of solid waste and harzardous toxic substance 2. Process technology and simulation, technology and/or simulation in industrial production process aims to minimize waste and environmental degradation 3. Design Engineering, device engineering to improve process efficiency, measurement accuracy and to detect pollutant 4. Material fabrication, environmental friendly material fabrication as subtitution material for industry 5. Energy Conservation, process engineering / technology / conservation of resources for energy generation.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 5 Documents
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Search results for , issue "Vol. 14 No. 2 (2023)" : 5 Documents clear
Modification of Steel Surface with Addition of Cocoa Fruit Pod Extract Inhibitor Using Electrodeposition Method Yuli Yetri; Rakiman; Sukatik; Maimuzar; Silva Azaria Mahaputri
Jurnal Riset Teknologi Pencegahan Pencemaran Industri Vol. 14 No. 2 (2023)
Publisher : Balai Besar Standardisasi dan Pelayanan Jasa Pencegahan Pencemaran Industri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21771/jrtppi.2023.v14.no2.p1-9

Abstract

The steel surface modification has been carried out with the addition of an inhibitor of cocoa fruit pod extract with varying concentrations of 0.5%, 1%, 1.5%, 2.0% and 2.5%. The aim is to add inhibitors to improve the appearance, and to slow down the corrosion rate. The electrodeposition method was used to form a thin film on the surface at a voltage of 3 volts for 3 minutes. Surface characterization using optical microscopy and scanning electron microscopy (SEM). X-Ray Diffraction (XRD) is used to determine the phase that occurs. The corrosion rate was calculated using the weight loss and potentiostate methods. The results of the characterization of the steel surface with the addition of 1% fruit pod extract inhibitor at the electrodeposition showed that the surface was smoother and more even and there was no porosity. XRD analysis showed that the electrodeposition results under the same conditions contained two elemental phases, namely Cu and Fe with different intensity values. The highest intensity is located at the peak of the second position of 2-Theta 44,84860 which is the peak of the Fe crystal. The lowest intensity is located at the third peak of 259.89 at the position of 2-Theta 98.9141 which is the peak of Cu. The high intensity indicates that the particle has good crystallinity. Cocoa fruit pod inhibitor is able to slow down the corrosion rate and smooth the metal surface by electrodeposition method.
Water Hyacinth Potential in The Pollution Impact Reduction of Coffee Agroindustry Wastewater Elida Novita; Sri Wahyuningsih; Mastuki Andika; Hendra Andiananta Pradana
Jurnal Riset Teknologi Pencegahan Pencemaran Industri Vol. 14 No. 2 (2023)
Publisher : Balai Besar Standardisasi dan Pelayanan Jasa Pencegahan Pencemaran Industri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21771/jrtppi.2023.v14.no2.p10-22

Abstract

Coffee processing wastewater originating from the coffee agroindustry has the potential to reduce environmental quality. Water hyacinth is one of the biological agents capable of reducing pollutants in wastewater through a rhizo-filtration mechanism in the phytoremediation process. The pollutant reducing ability of water hyacinth is limited so that the replacement of water hyacinth is one of the alternatives for optimizing the phytoremediation method. The purpose of this research was to compare the replacement time of water hyacinth to the decrease parameters namely turbidity, Biochemicals Oxygen Demand (BOD), Chemicals Oxygen Demand (COD), ammonia, and phosphate in the treatment of coffee processing wastewater using the phytoremediation method. The research stages consisted of water hyacinth acclimatization, determination of hydraulic resistance time, water hyacinth replacement time, and analysis of wastewater pollutant reduction. The density of water hyacinth used is 30 grams / L and the incubation time is 14 days. The results showed that the replacement of water hyacinth had a positive effect on improving the quality of coffee processing wastewater. The most water hyacinth replacement was on the 7th day. The percentage of turbidity parameters, Biochemicals Oxygen Demand (BOD), Chemicals Oxygen Demand (COD), ammonia (NH3-N), and phosphate (PO4-P) in the treatment of coffee processing wastewater with replacement of water hyacinth sequentially is 92.02%; 81.10%; 81.05%; 76.03% and 72.40%.
Removal of Ammonium and Phosphate from Synthetic Wastewater of Complex Fertilizer Industry Through Struvite Crystallization Process Muhammad Zulfikar Luthfi; Tjandra Setiadi; Dennis Farina Nury; Choerudin Choerudin
Jurnal Riset Teknologi Pencegahan Pencemaran Industri Vol. 14 No. 2 (2023)
Publisher : Balai Besar Standardisasi dan Pelayanan Jasa Pencegahan Pencemaran Industri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21771/jrtppi.2023.v14.no2.p23-32

Abstract

The complex fertilizer industry produces wastewater which contributes to the pollution of water bodies because it contains high levels of phosphate and ammonium concentrations and high TKN (Total Kjeldahl Nitrogen) which contains organic nitrogen. The organic nitrogen contained in the complex fertilizer wastewater is urea so it can be hydrolyzed to ammonium using the urease enzyme. The ammonium formed from the hydrolysis of urea will then react with magnesium and phosphate to form struvite, a crystal of Magnesium Ammonium Phosphate (MAP). The purpose of this study was to determine the effect of aeration and the enzyme urease in the removal of ammonium and phosphate in complex fertilizer synthetic wastewater through struvite precipitation. Struvite precipitation was carried out in a batch reactor which had a working volume of 0.5 L with variations in aeration rate, aeration time, and the addition of urease enzyme from Jack bean peas (Canavalia ensiformis). Residual ammonium and phosphate levels were analyzed and struvite crystal formation (MAP) was determined using Scanning Electron Microscope (SEM) and X-ray diffraction (XRD). The results showed that the aeration reactor was able to form struvite crystals and remove the ammonium and phosphate content in the synthetic wastewater of complex fertilizers. The removal of ammonium with a molar ratio of [Mg2+] : [NH4+] : [PO43-] 1:2:1 reached 61-77% at high aeration rates because a lot of ammonium was released into the air. The phosphate removal reached 99%. The urease enzyme was proven to be able to hydrolyze urea into ammonium and increase the pH value and affect the shape of the resulting struvite crystals. The precipitate product obtained was struvite crystals which were confirmed by analysis using SEM-EDX and XRD.
Application of Green Retrofitting Ready Mix Concrete Plant in Indonesia to Increase Financial Benefits and Reduce Environmental Issues: A Case Study Mohammad Kholis Ardiansyah; Albert Eddy Husin; Mawardi Amin
Jurnal Riset Teknologi Pencegahan Pencemaran Industri Vol. 14 No. 2 (2023)
Publisher : Balai Besar Standardisasi dan Pelayanan Jasa Pencegahan Pencemaran Industri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21771/jrtppi.2023.v14.no2.p33-44

Abstract

Currently, the Indonesian government continues to encourage the realization of sustainable development. The green concept is a sustainable development trend in the construction material industry. The concrete industry plays a vital role as a supplier of concrete materials in construction, so its availability is essential. The role of concrete industry itself has a negative impact on the environment. Stakeholders increase the cost of green retrofitting so that the industry or building becomes eco-friendly. The research method was carried out using a process case study, namely, how to implement green retrofitting cost performance in the concrete industry using Value Engineering and Life Cycle Cost Analysis. Theoretically, the research results provide additional knowledge for academics; practitioners can provide problem-solving to get an overview of the implementation of the green concept in the industry regarding the flow of implementation and the benefits of savings in an environmentally friendly production process. The application of value engineering in the green retrofitting of the concrete industry has increased the cost performance of green retrofitting by 8.66% with a return of 3 years and 8 months and increased the functions and benefits of an eco-friendly and sustainable concrete industry
Easy Preparation of Zinc Molybdate Photocatalyst and Its Application for Degradation of Methylene Blue Ridla Bakri; Rika Firmansyah; Yoki Yulizar
Jurnal Riset Teknologi Pencegahan Pencemaran Industri Vol. 14 No. 2 (2023)
Publisher : Balai Besar Standardisasi dan Pelayanan Jasa Pencegahan Pencemaran Industri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21771/jrtppi.2023.v14.no2.p45-53

Abstract

Photocatalyst is one way that can be done to overcome the problem of dye waste in water. Hazardous chemicals are regularly used in the manufacture of photocatalysts. In this research, ZnMoO4 was prepared by an environmentally friendly and cost-effective synthesis. The functional groups, crystalline structure and morphology of ZnMoO4 were characterised using fourier transform infrared (FTIR), X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and transmission electron microscopy (TEM). The band gap energy has been studied through UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS). The photocatalytic activity of ZnMoO4 was tested against the organic pollutant methylene blue under visible light irradiation and its degradation products were analyzed with a UV-Vis spectrophotometer at a wavelength of 664 nm. The photocatalytic process of ZnMoO4 has been able to degrade 99% of methylene blue after 80 minutes of irradiation. The excellent photodegradation performance indicates that the transition activity of electron currents from the valence band to the conduction band on ZnMoO4 is going well.

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