Journal of Research and Technology
Journal of Research and Technology published since 2015 contains a collection of a selected articles from the results of research and study of literature which is relevant to industrial , chemical, and environment engineering. Target readers of the Journal of Research and Technology are scientists, academics, and practitioners from various fields of industry.
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<![CDATA[DEPOLIMERISASI PET PASCA KONSUMSI MELALUI GLIKOLISIS DENGAN KATALIS ]]>
<![CDATA[Ardhana Rahmayanti]]>
<![CDATA[ Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015 ]]>
Publisher : <![CDATA[2477 - 6165 ]]>
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<![CDATA[Polyethylene terephthalate (PET) is a polyester which is widely used as a container or packaging material, especially mineral water and soft drinks. Recycling is necessary to overcome the post-consumer PET waste PET difficult because degraded naturally. Chemical recycling is an appropriate method for depolymerisation. Glycolysis is the method that is often used as the process was easy. Optimization parameters of glycolysis on the rate of reaction in the efforts to improve the products of glycolysis has been done as the use of catalysts. Metal acetate catalysts such as zinc acetate is a catalyst which shows good activity in the reactions of glycolysis, but the catalyst is non-biodegradable and toxic. The metal oxide catalysts are also many well developed but these catalysts are toxic, corrosive and can cause severe pollution. More environmentally friendly catalysts such as sodium salt today began much developed to minimize the impact to the environment. Keywords: depolimeritation, glycolysis, polyethylene terephthalate (PET), catalyst, bis (hydroxyethylene) terephthalate (BHET)]]>
<![CDATA[IMPLEMENTASI JUST IN TIME DALAM MENINGKATKATKAN PRODUKTIVITAS DAN EFISIENSI BIAYA PRODUKSI ]]>
<![CDATA[Luqman Hakim]]>
<![CDATA[ Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015 ]]>
Publisher : <![CDATA[2477 - 6165 ]]>
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<![CDATA[The purpose of Just In Time (JIT) is to increase productivity and reduce production costs by eliminating dissipation that exist in the company through continuous improvement activities, so the purpose of this study was to determine the implementation of JIT in increase productivity and cost efficiency of production in manufacturing companies. Stages research is 1) identify problems 2) The type of data used in this research is quantitative data and qualitative data, 3) the collection and processing of production data and purchase data, 4) the implementation of JIT system, 5) eliminate the dissipation and the participation of employees, 6) reduce or eliminate defective products. And the results of this study indicate that the implementation of JIT can improve company productivity and efficiency of the production costs.]]>
<![CDATA[PERBANDINGAN RASIO BOD/COD PADA AREA TAMBAK DI HULU DAN HILIR TERHADAP BIODEGRADABILITAS BAHAN ORGANIK ]]>
<![CDATA[Muchammad Tamyiz]]>
<![CDATA[ Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015 ]]>
Publisher : <![CDATA[2477 - 6165 ]]>
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<![CDATA[Pond is one place that is used as a place to cultivate fish, shrimp, and other aquatic animals that can live in brackish water. Changes in water quality upstream and downstream of the pond due to pollutants may affect the ecological balance of waters. Pollutants can be determined by two simple parameters, the biochemical oxygen demand (BOD) and chemical oxygen demand (COD). While the ability to break down pollutants (biodegradability) can be determined using the ratio of BOD/COD. BOD analysis using the Winkler titration method, whereas the COD analysis using titrimetric method. The value of BOD, COD, and the ratio of BOD/COD in the upstream area is 28.00 mg/L, 60.00 mg/L, and 0,467 respectively. While the value of BOD, COD, and the ratio of BOD/COD in the downstream area is 20.00 mg/L, 43.00 mg/L, and 0.465 respectively. Ratio BOD/COD obtained show that the organic pollutants in the pond is biodegradable.]]>
<![CDATA[TEKNIK ANALISA STRUKTUR DAN KOMPONEN BIOFILM PADA PENGOLAHAN AIR DAN AIR LIMBAH ]]>
<![CDATA[Laily Noer Hamidah]]>
<![CDATA[ Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015 ]]>
Publisher : <![CDATA[2477 - 6165 ]]>
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<![CDATA[Biofilm is proven to be effective to be used in water and wastewater treatment. Different raw water’s organic compound contents will affect to the heterogenity of the biofilm. This heterogenity is caused by different abilities of the microbial biofilm constituent in decomposing organic coumpound in raw water. Analysis of structures and components can be done to study the heterogenity of the biofilm.This analysis is not only able to describe the quantity but also the quality of the biofilm. The purpose of this review is to compare the various techniques in analyzing the structure and components of the biofilm. Analysis techniques can be performed with image analysis, chemical analysis, biochemical and population analysis. Method that commonly used is the image analysis by Scanning Electron Microscopy (SEM) to observe the structure of the biofilm. Chemical analysis using colorimetry, and analysis of total protein is using Lowry’s method and Bradford’s method, and molecular analysis by PCR that is used to characterize the components of biofilm’s constituent.]]>
<![CDATA[PENGARUH JUMLAH PELARUT PADA PROSES EKSTRAKSI MINYAK KAYU CENGKEH MENGGUNAKAN MICROWAVE ]]>
<![CDATA[Arief Adhiksana]]>;
<![CDATA[Kusyanto]]>
<![CDATA[ Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015 ]]>
Publisher : <![CDATA[2477 - 6165 ]]>
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<![CDATA[Clove oil is usually produced from the leaves and flowers, while the twigs cloves actually have potential to be exploited. One of the latest methods that can be used is the microwave assisted extraction. The advantages of microwaves is its ability to deliver energy directly to all material, so it can save time compared to conventional extraction methods. This research aims to study the effect of solvents on the extraction using microwaves. The solvent is water because the polar so very good at absorbing microwave. The variables studied were the weight (75-150 grams) and volume of solvent (400-500 ml) , while the microwave power of 264 W. The choice of wood clove oil yield was obtained of 3.89 % on the amount of solvent to 500 ml with weight is 150 grams.]]>
<![CDATA[LAJU PERKEMBANGAN Aedes aegypti PADA BEBERAPA MEDIA YANG BERBEDA ]]>
<![CDATA[Tri Puji Lestari Sudarwati]]>
<![CDATA[ Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015 ]]>
Publisher : <![CDATA[2477 - 6165 ]]>
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<![CDATA[This research was conducted to determine the pace of development of larvae of Aedes aegypti in some media of water, with the aim of knowing the development of Aedes aegypti mosquitoes from egg to be by looking at the development and physiology. The research was conducted between February and April 2008. The material used is the Aedes aegypti mosquito eggs laid on 3 media: water bath water, sewage, and water ponds. The data obtained were statistically analyzed using SPSS. The development of mosquito larvae in the sewer water is 8.3 days, 21.5 days of pool water, water bath of 24.3 days. Results of statistical analysis of all the observed variables showed that, there is a real difference between the sewage and the pool water and bath water, but the pool water and bath water are not significantly different. It can be concluded that the difference in water media affect the development of larvae of Aedes aegypti.]]>
<![CDATA[JEJAK KAKI KARBON PADA INDUSTRI AIR MINUM DALAM KEMASAN ]]>
<![CDATA[Maritha Nilam Kusuma]]>
<![CDATA[ Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015 ]]>
Publisher : <![CDATA[2477 - 6165 ]]>
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<![CDATA[PT. XYZ is one of industry that has a potential in green house gas emission that produce negative effect on human and environment. Therefore the study was aimed to investigate how much carbon value produced by PT. XYZ and how is the alternative solution to reduce carbon emission.The study method was based on secondary data such as; electricity, water and fuel consumption for one year taken from January until October 2009. The data was analyzed using CWFP, SEI, and ACM0002 methods for carbon emission value. The solution alternative for reducing carbon emission of PT. XYZ, was compared between electricity, natural gas and coal. It was concluded that, emission carbon value of PT. XYZ is 6.966,69 Tonnes CO2/years.]]>
<![CDATA[KETERSEDIAAN PANGAN SEBAGAI INDIKATOR PETA KETAHANAN DAN KERENTANAN PANGAN ]]>
<![CDATA[Dodik Tri Kurniawan]]>
<![CDATA[ Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015 ]]>
Publisher : <![CDATA[2477 - 6165 ]]>
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<![CDATA[The availability of food is determined by food production in the region, food trade through market mechanisms in the region, stocks held by traders and government reserves, and food aid from the government or other organizations. Methods of identifying areas vulnerable to food at the district level is done by using a variety of indicators used in the analysis of food insecurity by adjusting the indicator FSVA (food security and vulnerability atlas) used in the analysis of food insecurity nationwide. The ratio of consumption in Sumenep shows that the ratio of normative consumption in each district enough variation, in which almost all the districts identified villages are high surpluses and high deficits. Village high surplus amounted to 114 region. The results of analysis of vulnerability to food security in Sumenep, the village obtained the following conclusions based on the level of vulnerability to food security in Sumenep generally included in the priority 6 the number of 216 region, or 65.06% of the total number of region.]]>
<![CDATA[EVALUASI PENINGKATAN KAPASITAS HIPPAM DI KABUPATEN MOJOKERTO ]]>
<![CDATA[Achmad Khoiruddin]]>
<![CDATA[ Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015 ]]>
Publisher : <![CDATA[2477 - 6165 ]]>
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<![CDATA[Target water services geared to meet the Minimum Service Standards (SPM) has been established, which amounted to 80% for urban areas and 60% in rural areas, as well as in supporting the achievement of the millennium development goals in 2015. The method used in the preparation of this was purposive samplingtechnique, namely the form of direct observation survey of the physical condition of the regions and survey potential HIPPAM existing conditions. Field observations are then correlated with secondary data research in the area of study ever conducted and data from relevant agencies. Performance results with conditions as shown in Table 21 above, it is then followed by a discussion of relevant agencies in Mojokerto to get three (3) HIPPAM which will be a priority. 3 HIPPAM election is not only based on the results of the analysis of the performance, but also consider the existing conditions in the field. Based on the results of the identification of these conditions then the election of 3 HIPPAMpriority.]]>
<![CDATA[FAKTOR EMISI ENERGI TIDAK TERBARUKAN PADA PEMBANGKIT LISTRIK JAWA TIMUR ]]>
<![CDATA[Maritha Nilam Kusuma]]>
<![CDATA[ Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015 ]]>
Publisher : <![CDATA[2477 - 6165 ]]>
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<![CDATA[Carbon emission that emited by electric plant in Jawa timur could be estimated. Estimation was done by emission factor calculation first. Emission factor was multipled with electric consumption value to got emmison carbon value. The method used ACM0002 that issued by CDM-PDD Version02 IPCC. Data supporting are NVC, SFC and CEF. The result could be found that coal and natural gas have emmision there are 1,00688434 Ton CO2/Mwh and 0,392860328 Ton CO2/Mwh.]]>
