Erna Frida
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View article: Peat Water Purification using Pahae Natural Zeolite and Activated Carbon Derived from Candlenut Shell (Aleurites moluccana)
Peat Water Purification using Pahae Natural Zeolite and Activated Carbon Derived from Candlenut Shell (Aleurites moluccana) Open
The escalating demand for freshwater due to the increased global population and intensified industrial activities necessitates innovative approaches to water treatment. This study explores the efficacy of a novel composite adsorbent materi…
View article: Overcurrent effects on copper insulated PVC cables and fire resistance via thermal imaging and macrostructure analysis
Overcurrent effects on copper insulated PVC cables and fire resistance via thermal imaging and macrostructure analysis Open
This study investigates the effects of overcurrent on copper (Cu) insulated polyvinyl chloride (PVC) cables, focusing on their thermal behavior and fire resistance. We utilized thermal imaging, macrostructural analysis, and Joule heating c…
View article: Mapping the landscape of WCO biolubricant studies: A Comprehensive bibliometric review with vosviewer
Mapping the landscape of WCO biolubricant studies: A Comprehensive bibliometric review with vosviewer Open
This study explores the growing field of biolubricants as sustainable alternatives to petroleum-based lubricants. This paper highlights the gap in the current literature regarding biolubricants from Waste Cooking Oil (WCO) using a mixed-me…
View article: Eco-friendly alginate/PCL-TiO2 hybrid biocomposites: Preparation, properties, and methylene blue photodegradation
Eco-friendly alginate/PCL-TiO2 hybrid biocomposites: Preparation, properties, and methylene blue photodegradation Open
The study focuses on developing an environmentally friendly method for synthesizing hybrid biocomposites using sodium alginate, polycaprolactone (PCL), and TiO2 fillers. The eco-friendly alginate/PCL-TiO2 hybrid biocomposites were prepared…
View article: Adsorption Mechanism of Heavy Metals Using Activated Carbon Derived from Hydrilla Verticillata
Adsorption Mechanism of Heavy Metals Using Activated Carbon Derived from Hydrilla Verticillata Open
This research investigates the adsorption mechanism of heavy metals (Cu, Pb, Fe and Zn) using activated carbon derived from Hydrilla verticillata, addressing the critical issue of water pollution caused by heavy metals, which pose signific…
View article: UV Exposure Time Optimization for Enhanced Conversion, Hardness, and Flexural Strength in UDMA/TEG-DMA Composite Resins
UV Exposure Time Optimization for Enhanced Conversion, Hardness, and Flexural Strength in UDMA/TEG-DMA Composite Resins Open
This study examines the effects of varying ultraviolet (UV) exposure times on the properties of UDMA/TEG-DMA composite resins, focusing on degree of conversion, surface morphology, water absorption, shrinkage, hardness, and flexural streng…
View article: Spatial evaluation rainfall estimation on weather radar using Marshall–Palmer reflectivity–rainfall rate in Banten
Spatial evaluation rainfall estimation on weather radar using Marshall–Palmer reflectivity–rainfall rate in Banten Open
Based on data from the National Disaster Management Agency (Ind.: Badan Nasional Penanggulangan Bencana – BNPB), throughout 2022, more than 91% of disaster events were hydrometeorological disasters, with floods at 43% and landslides at 17%…
View article: Characterization of Adsorbents Based on Pahae Natural Zeolite and Candlenut Shell Activated Carbon for Peat Water Purification
Characterization of Adsorbents Based on Pahae Natural Zeolite and Candlenut Shell Activated Carbon for Peat Water Purification Open
The importance of developing effective adsorbents for environmental applications cannot be overstated, particularly in the context of water and wastewater treatment. Previous research has extensively explored various natural and synthetic …
View article: Preparation of hydrilla verticillata activated carbon adsorbent for remediation of wastewater containing the active metal chromium
Preparation of hydrilla verticillata activated carbon adsorbent for remediation of wastewater containing the active metal chromium Open
This research aims to determine the capacity of Hydrilla Verticillata activated carbon adsorbent in absorbing the heavy metal chromium. The method used in making Hydrilla Verticillata activated carbon is by carbonization at a temperature o…
View article: Manufacturing and Characterization of Composite Boards from Corn Husk Fiber, Water Hyacinth Fibers, and Sawdust Using Epoxy Resin
Manufacturing and Characterization of Composite Boards from Corn Husk Fiber, Water Hyacinth Fibers, and Sawdust Using Epoxy Resin Open
Composite board has been made with corn husk fiber (CHF), water hyacinth fiber, and wood sawdust using epoxy resin as an adhesive. The composition of each fiberwas varied, and physical tests (density, porosity, water absorption, and thickn…
View article: CHARACTERIZATION OF ASPHALT MODIFICATION USING GROUND RUBBER AND REACTIVE RUBBER NR-g-MA AS COMPATIBILIZER
CHARACTERIZATION OF ASPHALT MODIFICATION USING GROUND RUBBER AND REACTIVE RUBBER NR-g-MA AS COMPATIBILIZER Open
This study aims to improve the quality of asphalt by adding ground tyre rubber (GR) and reactive rubber (NR-g-MA) as compatibilizers of asphalt-rubber mixability. The use of GR has been widely used to improve the performance of asphalt and…
View article: Extraction and Characterization of Nanocrystalline Cellulose from Sugar Palm Fibres (Arenga Pinnata)
Extraction and Characterization of Nanocrystalline Cellulose from Sugar Palm Fibres (Arenga Pinnata) Open
In this work, cellulose was isolated from sugar palm fibre (Arenga pinnata) and converted into sugar palm fibre nanocrystalline cellulose (NCCs) in the hamlet of Medan Sinembah, Indonesia. Alkalization and bleaching were the stages of the …
View article: The Effect of Rice Husk Ash and Pineapple Leaf Fiber on Physical and Mechanical Properties of Concrete
The Effect of Rice Husk Ash and Pineapple Leaf Fiber on Physical and Mechanical Properties of Concrete Open
This study used the cast-in-situ method to make concrete based on rice husk ash and pineapple leaf fiber. Rice husk ash and pineapple leaf fiber were used as the cement substitutes with different variations: 0%, 2.5%, 5%, and 7.5%. Paramet…
View article: New Material Nanocomposite Thermoplastic Elastomer with Low Cost Hybrid Filler Oil Palm Boiler Ash/Carbon Black
New Material Nanocomposite Thermoplastic Elastomer with Low Cost Hybrid Filler Oil Palm Boiler Ash/Carbon Black Open
This study aims to prepare thermoplastic elastomeric nanocomposites with Low-Cost Hybrid Filler Oil Palm Boiler Ash/Carbon Black as New Material. Hybrid filler composites promise to overcome the limitations of composites. The effects offer…
View article: Effect of Hybrid Filler Oil Palm Boiler Ash – Bentonite on Thermal Characteristics of Natural Rubber Compounds
Effect of Hybrid Filler Oil Palm Boiler Ash – Bentonite on Thermal Characteristics of Natural Rubber Compounds Open
The concept of hybrid fillers by combining several types of fillers, especially with the inclusion of nanoscale filler particles, has attracted the attention of many researchers. The addition of filler to the rubber compound can improve th…
View article: Carboxymethyl Cellulose Nanoadsorbent for Remediation of Polluted Water
Carboxymethyl Cellulose Nanoadsorbent for Remediation of Polluted Water Open
The development of nanoadsorbents for remediation of polluted water in order to obtain clean and healthy water quality has been carried out, namely the incorporation of Chitosan (K)-Magnetic (M)-Activated Carbon (K) materials. The activate…
View article: Preparation of Environmentally Friendly Adsorbent using Oil Palm Boiler Ash, Bentonite and Titanium Dioxide Nanocomposite Materials
Preparation of Environmentally Friendly Adsorbent using Oil Palm Boiler Ash, Bentonite and Titanium Dioxide Nanocomposite Materials Open
Using products derived from agricultural wastes as low-cost adsorbent materials to remove organic or inorganic contaminants would be ideal as these materials are readily available in many countries. This study aims to prepare environmental…
View article: Optimization of Palm Oil Boiler Ash Biomass Waste as a Source of Silica with Various Preparation Methods
Optimization of Palm Oil Boiler Ash Biomass Waste as a Source of Silica with Various Preparation Methods Open
Several studies have synthesized silica from waste. The silica synthesis method from agricultural waste aims to produce high purity silica with low contaminants at an affordable cost. This study synthesized silica from oil palm boiler ash …
View article: Analysis structure and morphology of bentonite-opba nanocomposites as nanofillers
Analysis structure and morphology of bentonite-opba nanocomposites as nanofillers Open
used as a nanofiller. The methods used to synthesis bentonite nanoparticles are ball mill and co-precipitation and modification with surfactant cetyltrimethylammonium bromide (CTAB). Likewise, the OPBA synthesis process with the ball mill …
View article: Processing Durian Skin Into Compost Using Enumeration Machine Technology in Sungai Raya Village
Processing Durian Skin Into Compost Using Enumeration Machine Technology in Sungai Raya Village Open
Dairi Regency is the largest durian fruit producer in North Sumatra Province with a production of 23 thousand tons per year. One of the largest durian-producing villages in Dairi Regency is Sungai Raya Village. The estimated volume of duri…
View article: Preparation and characterization of CTAB surfactant modified TiO<sub>2</sub> nanoparticles as antibacterial fabric coating material
Preparation and characterization of CTAB surfactant modified TiO<sub>2</sub> nanoparticles as antibacterial fabric coating material Open
TiO 2 preparation has been carried out with the addition of cetyl trimethyl ammonium bromide (CTAB) surfactant. The sol-gel method is used in the preparation of TiO 2 , where TiCl 4 is used as a precursor. The resulting TiO 2 was character…
View article: Preparation and characterization of Bentonite-OPBA nanocomposite as filler
Preparation and characterization of Bentonite-OPBA nanocomposite as filler Open
Bentonite-OPBA nanocomposite has been made. The preparation of OPBA and bentonite was carried out by calcination process at a temperature of 700oC for bentonite and 500 °C for OPBA and a ball mill process for 10 hours and coprecipitation m…
View article: Physical analysis of TiO<sub>2</sub> and bentonite nanocomposite as adsorbent materials
Physical analysis of TiO<sub>2</sub> and bentonite nanocomposite as adsorbent materials Open
The research analyzed the physical properties of TiO 2 and bentonite nanocomposite as adsorbent materials. The TiO 2 synthesis method was carried out through a sol–gel process. Meanwhile the synthesis of bentonite was carried out by the ba…
View article: Mechanical Properties of Natural Rubber Compounds with Oil palm boiler ash and Carbon Black as a Filler
Mechanical Properties of Natural Rubber Compounds with Oil palm boiler ash and Carbon Black as a Filler Open
This study aims to determine the mechanical properties of natural rubber compounds with variations of OPBA nanoparticle fillers and carbon black. Preparation methods for natural rubber compounds using Open Mill. Indonesian rubber standard …
View article: Analysis of natural rubber compounds with filler Of Oil Palm Empty Bunches Powder and Carbon Black
Analysis of natural rubber compounds with filler Of Oil Palm Empty Bunches Powder and Carbon Black Open
The study aimed to determine the effect of the addition of carbon black (CB) and Palm Empty Bunch Powder (OPBEP) as a filler in natural rubber compounds on thermal and transmittance properties. The composting method is done at the Open mil…
View article: Microstructure and thermal properties of natural rubber compound with palm oil boilers ash for nanoparticle filler
Microstructure and thermal properties of natural rubber compound with palm oil boilers ash for nanoparticle filler Open
This study aims to determine the properties of natural rubber compounds by varying the Oil Palm Boiler Ash (OPBA) nanoparticles with variations (0,2,4,6 and 8) wt%. The preparation method for natural rubber compounds uses Open Mill by mixi…
View article: PREPARASI DAN KARAKTERISASI BIOMASSA KULIT PINANG DAN TEMPURUNG KELAPA MENJADI BRIKET DENGAN MENGGUNAKAN TEPUNG TAPIOKA SEBAGAI PEREKAT
PREPARASI DAN KARAKTERISASI BIOMASSA KULIT PINANG DAN TEMPURUNG KELAPA MENJADI BRIKET DENGAN MENGGUNAKAN TEPUNG TAPIOKA SEBAGAI PEREKAT Open
This study conducted the preparation and characterization of charcoal briquettes originating from areca nut skin biomass and coconut shell using tapioca flour as an adhesive. Stages of preparation are cleaning, carbonization, densification…
View article: Preparation and characterization of oil palm ash from boiler to nanoparticle
Preparation and characterization of oil palm ash from boiler to nanoparticle Open
This study aims to determine the characteristics of oil palm boiler ash (OPBA) after processing with ball mill and coprecipitation methods. The method used is OPBA from a palm oil mill, processed using a ball mill for 1 hour at a speed of …
View article: Preparation And Characterization Of Oil Palm Empty Bunches Powder
Preparation And Characterization Of Oil Palm Empty Bunches Powder Open
The objective of this study was to determine the characteristics of Oil Palm Empty Bunch powder (OPEBP). The method performed in OPEBP processing into nano particles is used by the method of ball mill and coprecipitation. The characterizat…