Interpretation of Aquifer Depth to Determine Groundwater volume Using the Geoelectric Method of Schlumberger Configuration in Tangkerang Utara Pekanbaru has been carried out. This research was done due to the decreasing of water surface both in terms of quality and quantity caused by increasing number of population and agricultural activities with decreasing green open space in (2014 -2019…
The aim of this study was to analyze the gap energy and crystal structure of Barium Zirconium Titanate (BZT) thin film with three composition variation namely BaZr0,85Ti0,15O3, BaZr0,9Ti0,1O3 dan BaZr0,95Ti0,05O3. The Thin film were deposited by sol-gel method which prepared by spin coater of 3000 rpm rotary speed for 30 seconds. The thin film ware grown using two annealing temperatures of 600�…
The determination of groundwater potential has been done on the labersa road of Simpang Tiga Village, Bukit Raya District, Pekanbaru City, Riau Province. using the Geoelectric Method Schlumberger Configuration. This research is motivated by the potential for surface water that is decreasing due to increased population growth and agriculture in 2014–2019 in Simpang Tiga Village. This rese…
Biomass-derived porous activated carbon materials have been receiving considerable attention in energy-storage devices especially for supercapacitor due to abundant, renewable, sustainable, and cost-effective production. In this study, porous activated carbon material with monolithic form has been successfully prepared from coconut husk fiber through one-stage integrated pyrolysis and ZnCl2 imp…
Thin films of Barium Zirconium Titanate (BZT) with the composition BaZr0,8Ti0,2O3, BaZr0,75Ti0,25O3, and BaZr0,7Ti0,3O3 were prepared using the sol-gel method prepared by spin coating at a speed of 3000 rpm for 30 seconds. The annealing temperature of each composition was 600oC and 650oC, which were annealed for 1 hour. Thin films were characterized using ultraviolet-visible spectroscopy to…
Sorting and grading FFB (fresh fruit brunch) are important tasks in order to obtain high quality CPO (crude palm oil). Multispectral imaging is an alternative to hyperspectral imaging to be implemented in a high speed sorting machine due to less bandwidths used. Hence, less processing time is needed. This study aims to use a multispectral imaging system for oil palm FFB maturity classificat…
The height of the water level in peatlands greatly affects the peatland ecosystem. Poor water management on peatlands is one of the triggers for the destruction of peatlands. The water level of the peat that must be maintained to maintain the stability of the peatland is 40 cm. This research used an experimental method of measuring the water level in peatlands using the ultrasonic sensor H…
A thin layer of Barium Zirconium Titanate (BaZr0,3Ti0,7O3) will be grown on a glass substrate using sol-gel method with variations in annealing temperature assisted by a spin coating process at 3000 rpm for 30 seconds. The BaZr0,3Ti0,7O3 thin layer was annealed for 1 hour at a temperature of 600 C and 650 C. Characterization was carried out using X-Ray Diffractometer (XRD) to determine the cr…
Mapping survey of underground water depth in the village of Rimbo Panjang using the Schlumberger geo-electric method has been done. Data was collected using resistivity meter equipment at three points of the track with a length of 120 meters. The data obtained are current strength (I), potential difference (V) and the resistance (R). The data was processed using a progress and then the soil…
Acoustic filter model to pass low frequency (low pass filter) in a 2 dimensional pipe has been carried out using computational methods. This study is aimed to model the acoustic wave flow pattern in the pipe and calculate its transmission coefficient. The research is aimed for simplicity, the pipe used in this study was a 2-dimensional model to enlarge the variation of pipe geometries with 1, 2…
Carbon electrodes derived from palm leaf midrib biomass have the potential to be used as supercapacitor carbon electrodes. Supercapacitor electrodes from palm leaf midrib biomass were made through pre-carbonization process, chemical activation using a potassium hydroxide activator with a concentration of 1 M, then the carbonization process with variations in carbonization temperature of 650…
One of the geothermal systems in Riau is in Pawan Village, Rokan Hulu District. The geothermal system is stored in rocks beneath the earth's surface, so it is necessary to identify the subsurface lithology. The purpose of this study is to analyze the subsurface resistivity value and identify the lithology of rock layers in the Pawan Hot Spring Tourist attraction. The method used is Geoelect…
The existence of aquifer layer and water quality tests in Rimba Panjang, Kampar have been explored using geoelectric resistivity method with Wenner configuration and hydrogeochemical method. Geoelectrical method is one of geophysical methods to understand geological condition subsurface based on resistivity value of rock types. Hydrogeochemical method is a method for studying the chemical …
Geothermal is a natural resource that provides benefits to humans, hydrothermal are one of it. Identification to explore the existence of hydrothermal distribution, can using the geoelectric resistivity method of the Wenner configuration in the vicinity of Pawan Village, Rokan Hulu Regency, Riau Province which is located at coordinates 0°50'20" north latitude and 100°15'19" east longitude…
Methylene Blue is one of the synthetic dyes which is widely used in textile industry. Methylene Blue from textile industry produces a negative impact on health and the environment such as water contamination, therefore necessary to remove the methylne blue from contaminated water. The application of magnetite (Fe3O4) particles for degradation of Methylene Blue has been explored . The concentrat…
The decline in the quality of aquatic resources due to pollution from agricultural and industrial activities has become a particular concern in recent years. For this reason, prevention efforts are made by observing the determinants of water quality, one of which is the level of dissolved oxygen (DO). DO levels were detected using a biosensor module integrated with a microchip, namely the type …
This study aims to synthesize and characterize Gold Nanobipyramids (GNBPs) and to analyze their potential application to plasmonic sensors. Synthesis of GNBPs uses the Seed Mediated Growth Method (SMGM). GNBPs were characterized using Spectroscopy UV-Vis, X-Ray Difraction (XRD) and Field Emission Scanning Electron Microscope (FESEM) to determine their optical properties, crystaline and mor…
Research has been done in the area of Bukit Raya Subdistrict which aims to determine the potential for groundwater and underground lithology, determine the permeability of the soil layer, and determine the quality of well water and trench water around the research trajectory. The method used in this research is the geoelectric resistivity method of the Wenner Configuration by taking 2 lines…
Peat water is surface water which is often found in peatland or lowland areas, especially on the islands of Borneo and Sumatra. An analysis of the quality of peat water has been carried out using the slow sand filtering method around the Uin Suska Riau Campus in Pekanbaru City. Test samples were taken at 10 different points. Outputs from measurements are conductivity, pH and TDS, Fe and Mn valu…
This research of Underground Water and Hydrogeochemistry has been done sorrounding the Street Matoa Raya West Sidomulyo, Tampan District using the Geoelectric Method Schlumberger Configuration and water quality test at UPT Health and Environment Laboratory of Riau Province. This researchs was aimed to identify the subsurface lithology based on resistivity values of rocks in the research ar…