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Journal of Research and Technology

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Published by Universitas NU Sidoarjo

ISSN : 24605972 EISSN : 24776165 DOI : -

Chemical Engineering, Chemistry & Bioengineering Engineering Environmental Science Industrial & Manufacturing Engineering

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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Articles 250 Documents

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ANALISA RISIKO TAHAP PERAWATAN JALAN DALAM PENERAPAN PERFORMANCE BASED CONTRACT PADA PROYEK JALAN DI JAWA TIMUR Prihartanto, Eko
Journal of Research and Technology Vol 2, No 1 (2016)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Road as the main infrastructure in cross overland to connect starting area to the destination area. The level of damage that occurred after the implementation reduce the road’s service quality. Performance Based Contract (PBC) has stages such as Design, Build, Operation, and Maintenance. PBC is expected to minimize the budget for road construction due to damage that routinely occurs every year. PBC has the maintenance stage to meet the performance who have risk reducing road maintenance after road completion and operation. Risk variables in this study use variables in the maintenance stage from the PBC application in Eastern Java road project. It uses Probability Impact Analysis method to analyze road maintenance risk in PBC application. The results are highest score of risk variable in the maintenance stage as the descriptive analysis references to compare the threat and opportunity in PBC application. Then, it is used to create strategy in order to fulfil dominant risk in the maintenance stage.

ANALISA KUALITAS AIR TAMBAK DESA KALANGAYAR KECAMATAN SEDATI KABUPATEN SIDOARJO Widiyanti, Atik
Journal of Research and Technology Vol 3, No 1 (2017)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

The decline of water quality is known to have a lot going on. One of them is the pond in the village Kalanganyar Sedati District Subdistrict Sidoarjo. Therefore, this study aims to determine the water quality and the type of ectoparasites that often infect fish in the pond. Parameters measured include Total Suspended Solid (TSS), Salinity, Detergents, TPC, and ectoparasites. The analysis TSS, salinity, detergent, TPC, and ectoparasites were performed by using methods gravimetri, salinometer, spectrophotometry, TPC, and microscopic sequentially. Ectoparasites samples were taken from fish (Chanos chanos) and water quality samples were taken from the upstream and downstream of the pond. Results of water upstream analysis of the pond shows the TSS concentration of 80 mg/l; 61.80 ppt salinity; detergents 3.08 mg/l LAS, and TPC 220 cells/ml. While downstream of TSS concentration of 116 mg/l; 37.90 ppt salinity; detergents 1.29 mg/l LAS and TPC 1780 cells/ml. Group of ectoparasites found were Nematoda, Protozoa, crustacean, and trematodes.

PENGARUH JENIS BAHAN ATAP PADA PROSES DESALINASI EVAPORASI AIR LAUT Novitrie, Nora Amelia; Afiuddin, Ahmad Erlan; Hardiansyah, Rizal
Journal of Research and Technology Vol 3, No 2 (2017)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Sea water treatment technology into freshwater is known as desalination. a desalination technique that is both effective and economical is desalination with evaporation. This study aims to determine the effect of roofing materials on the amount of freshwater products produced. The study was conducted using a miniature evaporative tub that has a roof-like shape. Evaporative tubs measuring 1m x 1m x 0.02m material of laminated wood. 20 liters of brackish water is pumped into the tub. The water in the tub is then closed using a roof designed like a roof made of fiberglass and polycarbonate. Brackish water is left in contact with the sun for 24 hours. As a result of heat transfer from sunlight to evaporation tub, brackish water experiences evaporation. The steam moves upward and is captured by the roof wall then undergoes condensation resulting in fresh water. The conclusion obtained is miniature of evaporative desalination roof using fiberglass material obtained 427 mL result while using polycarbonate material obtained fresh water equal to 136 mL.

KETERSEDIAAN PANGAN SEBAGAI INDIKATOR PETA KETAHANAN DAN KERENTANAN PANGAN Kurniawan, Dodik Tri
Journal of Research and Technology Vol 1, No 01 (2015)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

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. Keywords: region, insecurity, food, mapping.

PENGEMBANGAN TEKNIK PRODUKSI MASAL BIOMAS ECENG GONDOK Saadah, Tatuk Tojibatus; Haryanta, Dwi
Journal of Research and Technology Vol 2, No 2 (2016)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Siltation and the presence of water hyacinth plants on a sewer / river is a cause of flooding in urban areas (beaches). Plant fast-growing water hyacinth in rivers, ditches, Boezem, or area lakes and water storage areas, which impede the flow of water, encouraging a silting. Dredging rivers or reservoirs of waste water hyacinths just stacked on the edge of time that makes the environment become rundown. Implementation of the research aims to develop a composting technique made from water hyacinth in a mass scale. Factorial experimental treatment (1) Packaging: open, plastic bags (glansing), and buried; and (2) Starter: EM4, urea, and urea mixture EM4, so there are nine combinations of treatments. Experimental units are water hyacinth biomass as much as one cubic so that a total of nine cubic. Results of the study was to variable volume shrinkage, temperature, pH, change in smell, color and texture of the biomass of water hyacinth showed that during the first two weeks seen a high variation among treatments, but entered the week to five (four weeks after the starter) all variables are relatively homogeneous and shows indicators composting process is almost complete. Depreciation amounted to 68-78% volume, temperature 26-290C, pH of 7.0-7.5; texture is brittle, blackish brown color and relatively odorless. The C / N ratio of biomass at the composting mass of water hyacinth from Rp 33-37 (High), and at week five (four weeks after the starter) the results are varied, for the treatment of S1, S2B1, and S3B1 value is still above 20 (not yet decent) while the other is below 20, and the lowest at 16.9 S3B3 treatment.

KAJIAN TANAH ENDAPAN PERAIRAN SEBAGAI MEDIA TANAM PERTANIAN KOTA Haryanta, Dwi; Thohiron, Mochammad; Gunawan, Bambang
Journal of Research and Technology Vol 3, No 2 (2017)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Siltation of the river, ditches, reservoirs in urban areas is a problem because it causes flooding. The government annually undertakes dredging of the precipitate for the flow of water to flow smoothly. Soil sedimentary water potential to be utilized as a medium of planting in the development of urban agriculture. The research was conducted by survey method in Surabaya city waters. The sample was taken using random method of choosing, that is choosing condition of place environment and soil condition which is possible for planting medium. Soil sediment samples were observed for pH, color, structure, texture, organic matter content, Nitrogen (N-total), K2O and P2O5. The result of this research shows that all of the textured sedimentary soil content of clay is 89,87- 92,14%, organic material content is about 5,96-7,60%, total N-content is 0,09-0,13%, K2O content between 0,88-1,12%, and P2O5 content between 2,08-2,44%. The color of soil was grayish-black-black. The mud deposits of the housing sewer are the most crumbling and the most consumptive reservoir are sludge. Sewage soil sludge is potentially used as a planting medium in the development of urban agriculture.

PENGARUH POROSITAS PACKING STEEL WOOL TERHADAP PRESSURE DROP DIDALAM PACKED BED COLUMN PADA DISTILASI CAMPURAN ETANOL-AMIL-ALKOHOL-AIR Dhaniswara, Trisna Kumala; Widjaja, Tri; Altway, Ali
Journal of Research and Technology Vol 2, No 1 (2016)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Inventories of petroleum fuels are increasingly depleted and will someday run out. These shortcomings can be overcome by using alternative fuels, such as ethanol. Based on this, it is necessary to research and development of ethanol as a fuel. One way is with a separation in a packed distillation column. This study aims to assess the mass transfer phenomena that occur in the process of distilling a mixture of ethanol-water-amyl alcohol packed in column. In addition, this study aims to optimize temperature and reflux to obtain the highest levels of ethanol. This research method uses packed bed distillation system with the batch process. Feed used is synthetic ethanol, water, and solvent. Solvent used were amyl alcohol. Doing distillation with heating temperature is maintained. Distillation is done in the packing of stainless steel wool. Research carried out in a batch process with a variable temperature of 79°C; 84°C; 91°C; and porosity packing 20%; 30%; 40%; 50%; 60%; 70%; 80%.

KARAKTERISTIK BIODIESEL DARI MINYAK BIJI RANDU (CEIBA PENTANDRA) PADA REAKTOR BATCH BERPENGADUK BERTEKANAN MENGGUNAKAN KATALIS KOH Erliyanti, Nove Kartika
Journal of Research and Technology Vol 2, No 1 (2016)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Biodiesel is fuel from plant oils that has been converted into methyil ester with transesterification process. The research was aimed at investigating the influence of KOH concentration and reaction time on the characteristics (density and viscosity) biodiesel at a pressure of 4 bar. The process of making biodiesel in a stirred batch reactor is pressurized, purged nitrogen, and the temperature operation of 60°C. The kapok seed oil used as raw material was 1000, methanol, and KOH (concentration of 0.5; 1.0; 1.5; and 2% oil by weight) were mixed and put into a reactor with a reaction time of 0.25; 0.50; 1.00; and 1.50 hours. Products were analyzed according to ASTM standard. KOH concentration and reaction time has a significantly affected with respect to the density and viscosity of biodiesel. Biodiesel produced in compliance with the ASTM standard. The highest density and viscosity resulting in 0.5% KOH concentration and reaction time of 0.25 hours is equal to 0.8918 g / cm3 and 4.989 cSt.

PERBANDINGAN MOTEDE KONVENSIONAL EKSTRAKSI PEKTIN DARI KULIT BUAH PISANG DENGAN METODE ULTRASONIK Adhiksana, Arief
Journal of Research and Technology Vol 3, No 2 (2017)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

The Banana is the most widely produced fruit in Indonesia with waste of banana peel about 1/3 of the fruit. If the banana peel is not utilized in large quantities it will cause environmental problems and is a waste of resources because the waste can still be utilized. The Banana peel contains a variety of compounds such as pectin 10-21%. Based on its content, banana peels have potential as a source of pectin. Pectin can be utilized in various industries of making jelly, jam, gelling, thickener, stabilizer andemulsifier. The purpose of this study was to find the influence of ultrasonic and mass on pectin yield. This research was conducted by using ultrasonic method extraction using 0.05 N HCl solvent of 400 mL and extraction temperature of 60 oC. variation of mass in this research are 5, 10, 20, 30 and 40 grams. The highest yield obtained in ultrasonic method is 20.0008 gram with yield of 25,59%. The conventional method only can reach 18,3%.

EVALUASI PENINGKATAN KAPASITAS HIPPAM DI KABUPATEN MOJOKERTO Khoiruddin, Achmad
Journal of Research and Technology Vol 1, No 01 (2015)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

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 sampling technique, 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 HIPPAM priority. Keywords: hippam, region, development

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Jawa timur

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Home Page

OAI Link

Editorial Team

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Reviewer

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Contact Name Muchammad Tamyiz

Contact Email muchammad_tamyiz@yahoo.com

Phone -

Journal Mail Official muchammad_tamyiz@yahoo.com

Editorial Address -

Location Kab. sidoarjo, Jawa timur INDONESIA

Abstract

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Abstract

Contact Name
Muchammad Tamyiz

Contact Email
muchammad_tamyiz@yahoo.com

Phone
-

Journal Mail Official
muchammad_tamyiz@yahoo.com

Editorial Address
-

Location
Kab. sidoarjo,

Jawa timur

INDONESIA