CHEMISTRY (KIMIA): Recent submissions
Now showing items 141-160 of 529
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Preliminary study on effect of oil additives in engine lubricant on four-stroke motorcycle engine
(Elsevier, 2018-10-03)This research focused on effect of commercial oil additive (COA) with engine lubricants of four-stroke motorcycle engine with 110 cc of cylinder. The mineral engine lubricant (MEL) and semi-synthetic engine lubricant (SSEL) ... -
Palm Kernel Oil Based Lubricant: The Role of Fe Modified on Y-Zeolite During Synthesis
(Springer, 2022-02-23)Palm oil is considered as the most promising renewable resources for the production of biolubricant due to their high availability non-toxic, biodegradable and metal adhering properties. The main purpose of this research ... -
Performance of Bayah Natural Zeolite in Biolubricant Synthesis of PaIm Kernel Oil
(Springer, 2022-02-23)The abundance of local palm oil stocks in Indonesia makes a reason to process palm oil based oleochemical products into biolubricant products. Besides that, there is a demand to lind a bio-based lubricant that is more ... -
Performance of binders in briquetting of durian peel as a solid biofuel
(Elsevier, 2018-10-03)As a consequence of an increasing in durian season in a year, many durian peels become a garbage. However, the valuable contents in durian peel namely lignin and cellulose are wasted away. These contents have high possibility ... -
Preliminary Observation on Temperature Effect of Briquetting Cow Manure as a Solid Biofuel
(Springer, 2020-06-02)The depletion of fossil fuel turns the application of biofuel as an alternative fuel. Conversion of cow manure into briquette is the alternative to reutilize valuable chemical in cow manure. The aim of this study is to ... -
Young Coconut Waste as Greener Desiccant Alterative in Desiccant Dehumidifier
(IOP Publishing, 2020-06-17)Due to tropical climate in Malaysia, humidity control becomes a challenge, hence dehumidifiers are designed to control the relative humidity in order to achieve the optimal thermal comfort. In existing desiccant dehumidifiers, ... -
Potential Sugarcane Bagasse for Sugar Factory Water Treatment
(AIP Conference Proceedings, 2022-12-12)Currently the sugar factory industry in Indonesia is growing rapidly and the demand for sugar is getting higher. From the production process, the sugar factory industry produces liquid waste that contains high organic ... -
Water hyacinth: Potential and Threat
(Elsevier, 2020-01-16)Water hyacinth in scientific name is known as Eichhornia crassipes. As an aquatic pest plant, water hyacinth are growing inwater flow, rivers and lakes. Water hyacinth can spread rapidly from the normal size to two times ... -
Pyrolysis of biomass: Potential and applications
(UTeM Press, Universiti Teknikal Malaysia Melaka, 2022-08-30)Pyrolysis is a chemical decomposition process technique of biomass through heating without oxygen. The amount of biomass on earth is very abundant. The content of biomass such as cellulose and lignin makes biomass a material ... -
Potential of cocoa pod husk (Theobroma cacao L.) for seawater desalination
(Centre for Advanced Research on Energy, Faculty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka, 2020-12-30)The accessibility of clean water on the planet is extremely restricted. Therefore, the solution to obtain clean water is strongly required. Desalination using cacao pod husk activated carbon is one of method to obtain the ... -
House of quality method in preliminary design of kitchen food waste composter
(Centre for Advanced Research on Energy, Faculty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka, 2020-12-30)This work studies the conceptual design of a household kitchen food waste composter using House of Quality (HOQ) method. The scoring method is used to identify the engineering characteristic element based on customer’s ... -
AHP Based Decision-Making in Concept Selection of Keyless Grill Locking System
(IJENS Publishers, 2014-10-30)Selection of appropriate unique keyless grill locking system concept which complies with customer and technical requirements is one of the complicated decision making problem. In order to solve this problem, an idea selection ... -
From Waste to Fuel: Pyrolysis of Plastic Packaging
(Trans Tech Publications, 2022-12-26)The problem of plastic waste has recently attracted more attention due to the nonbiodegradable of plastic. The thermochemical method through pyrolysis is one of the most effective methods used in processing of plastic waste ... -
A Preliminary Conceptual Design Approach of Food Waste Composter Design
(Transdisciplinary Research and Education Center for Green Technologies, Kyushu University, 2021-04-26)This paper reports the conceptual design of a household kitchen food waste composter. Several conceptual approaches, such as Quality Function Deployment (QFD), Concept Generation, and Concept of Evaluation using PUGH Method ... -
Influence of heating temperature and holding time on biochars derived from rubber wood sawdust via slow pyrolysis
(Elsevier, 2014-02-07)Biochar samples wereproducedfromrubber woodsawdust(RWSD), whichis a by-productfromsawmills, via slow pyrolysis. Biochar is a potential additive for agricultural soil as a soil amendment and for agronomics. The approach ... -
Kloning dan Karakterisasi Fragmen Klenow DNA Polimerase UPER1 (Pol UPER1)
(Universitas Pertamina, 2023-03-20)DNA Polimerase merupakan enzim yang berperan dalam proses replikasi DNA di dalam sel. Enzim tersebut memiliki peranan yang sangat penting dalam kehidupan makhluk hidup dan biasa disebut sebagai enzim kunci pada pelestarian ... -
Pengujian Efek Variasi Dosis Aditif Methyl Cellulose (MC) dan Redispersible Polymer Powder (RDP) Terhadap Mortar
(Dwi Wulan Dhari, 2023-02-09)