Aktivasi Zeolit Alam Asal Bayah dengan Asam dan Basa sebagai Aditif
                        Campuran Beraspal Hangat (Warm Mixed Asphalt (WMA))

Sentosa, Leo; Subagio, Bambang Sugeng; Rahman, Harmein; Yamin, R. Anwar

doi:10.5614/jts.2018.25.3.5

Cited by 5 publications

(4 citation statements)

References 0 publications

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“…The activation of acid causes most of these impurities to emerge from the opening of the pores and allows the formation of carbon deposits during the process. The same results have also been reported by Sentosa et al [24], where EDS data show Bayah natural zeolite has a carbon level of 13.83%, which even increases after the activation process with HCl acid to 30-36%. Based on the surface morphology of nickel loaded on the zeolite catalyst (Figure 3), the crystal size change is more homogenous, indicating the absence of a sintering process.…”

Section: Catalyst Morphologysupporting

confidence: 89%

The Stabilization of Liquid Smoke through Hydrodeoxygenation Over Nickel Catalyst Loaded on Sarulla Natural Zeolite

et al. 2020

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Constituents of liquid smoke possess a huge potential to be converted as value-added chemicals, such as flavoring, antiseptics, antioxidants, or even fossil oil substitutes. However, liquid smoke instability, led by the presence of oxygenate compounds, is an obstacle for further utilization and processing. On the other hand, catalyst efficiency in hydrodeoxygenation (HDO) remains challenging. Sarulla natural zeolite (Z), with abundant availability, has not been comprehensively investigated in the catalytic performance of HDO. In this study, Sarulla natural zeolite with different Si/Al ratios, which are activated by several concentrations of hydrochloric acid and nickel supported by Z (Ni-Z) synthesized by wet impregnation, were evaluated for HDO of liquid smoke, particularly in reducing oxygenate compounds. Catalyst morphology, surface area, pores, and crystallinity are investigated. Catalytic performances were evaluated, particularly on reducing oxygenate compounds and the shifting of phenol and its derivatives. Furthermore, the liquid smoke product of HDO was analyzed by gas chromatography-mass spectrometry (GC-MS). The data obtained reveal that the HDO process of liquid smoke with the Z3 catalyst shows the best activity compared to Z5 and Z7, with phenol conversion of 62.39% and 11.93% of alkoxy reduction. Meanwhile, the best Ni metal catalyst system activity was given by the Ni-Z5 catalyst compared to Ni-Z3 and Ni-Z7, where phenol conversion and alkoxy reduction were at 60.06% and 11.49%, respectively.

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Section: Catalyst Morphologysupporting

confidence: 89%

The Stabilization of Liquid Smoke through Hydrodeoxygenation Over Nickel Catalyst Loaded on Sarulla Natural Zeolite

et al. 2020

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“…First, nonprotein nitrogen (NPN), e.g., urea, which produces ammonia, is expected to be utilized by rumen microbes to form microbial proteins, which will later be absorbed in the intestine and used for the production of meat, milk, or other ruminant livestock products. Second, the nitrogen from the material high-priced protein feed [15]. Protein from partial meals is degraded in the rumen resulting in increased ammonia production, and some pass into the intestine.…”

Section: Literature Reviewmentioning

confidence: 99%

Uniaxial Stress-Strain Behavior for Material Pavement Stabilization by Using Zeolite

Hamzani

Munirwansyah

Hasan

et al. 2023

Int. J. Eng. Scie. and Inform. Technology.

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The characteristics of semi-flexible pavement (SFP) are strongly influenced by the proportion of cement mortar content filling the voids in the mixture. SFP behavior due to repeated traffic loads causes the pavement structure to experience stress and strain around the wheel axis, resulting in a rapid decline in performance with cracks and permanent defects. Evaluation of the properties of the mixture on the stress-strain parameters of the influence of additives and substitution of many SFP mixture-forming materials has been carried out. The purpose of this study was to determine the stress-strain models of SFP with the effect of waste tire rubber (WTR) additives in asphalt and Aceh natural zeolite substitution in cement mortar under uniaxial compressive load. The porous asphalt mixture is designed in accordance with the optimum asphalt content and open graded aggregate based on the specifications of Bina Marga Regulation 2010 and Australian Asphalt Pavement (AAPA) 2004. The composition of zeolite in SFP mixture can affect the stress behavior, where zeolite can inprove quality of the mortar cement so that it can slow down the development of the SFP mixture flatness and the maximum stress obtained is 17 MPa at 5% zeolite composition. The bilinear model of stress-strains was proposed the results show a good agreement with experimental results.

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“…Manual LOI testing is carried out as a basis for comparison between manual LOI values and LOI values using X-ray (Sentosa et al, 2018) 2 it can be seen that the results of manual LOI calculation have difference slight difference between the target value with mark manual LOI calculation. From 12 samples 2 samples have a difference of 2-3 points from the target ie samples no.…”

Section: B Manual Loi Analysismentioning

confidence: 99%

Creating A Linear Regression Curve For Loi (Loss Of Ignition) Testing PT Semen Tonasa Hotmeal Using X-Ray

Lengke,

Cam,

SarungAllo

2023

JMI

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PT Semen Tonasa, especially in the Quality Control unit, still has samples that are tested manually, including the Blaine test, residue test, kiln feed and cement, moisture, and LOI (Loss Of Ignition) so it takes a long time for sample preparation to sample testing. The time to test each sample takes an average of 60 minutes. One type of test that takes a long time is LOI (Loss Of Ingnation) analysis. This test is a test used in inorganic chemical analysis, especially in mineral analysis, by subjecting the sample to a certain temperature. The general objective of this research is to determine the Hotmeal LOI analysis curve for calculating LOI on Hotmeal 05 and 10 and determine the sample preparation steps that will be used in creating a linear regression equation. Meanwhile, the specific aim of this research is to create a formula that is suitable for calculating LOI (Loss of Remembrance) specifically for hot meals 05 and 10. This research was carried out using direct experimental methods and data processing using Microsoft Excel 2013 software. The research was carried out by taking directly raw materials in the form of clinker lumps and Kiln Feed in the factory area, and then preparation and data processing were carried out. The results of this research are that a linear regression equation is obtained, namely y= 1.1824x-6.9094, then this equation is input into a computer device with the method name, namely Hotmeal_2023, to be used as a reference in working on the Hotmeal Sample more quickly, the time used when using this formula is 5 -10 minutes.

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Aktivasi Zeolit Alam Asal Bayah dengan Asam dan Basa sebagai Aditif Campuran Beraspal Hangat (Warm Mixed Asphalt (WMA))

Cited by 5 publications

References 0 publications

The Stabilization of Liquid Smoke through Hydrodeoxygenation Over Nickel Catalyst Loaded on Sarulla Natural Zeolite

The Stabilization of Liquid Smoke through Hydrodeoxygenation Over Nickel Catalyst Loaded on Sarulla Natural Zeolite

Uniaxial Stress-Strain Behavior for Material Pavement Stabilization by Using Zeolite

Creating A Linear Regression Curve For Loi (Loss Of Ignition) Testing PT Semen Tonasa Hotmeal Using X-Ray

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