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INDONESIA
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia
Published by Universitas Tribhuwana Tunggadewi
ISSN : 25033654     EISSN : 25032682     DOI : -
Core Subject : Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Industrial & Manufacturing Engineering
Focus and Scope of this journal are : Chemical Engineering including : bioenergy processing, environmental engineering, natural resource management, Heat and Mass Transfer, Chemical Reaction, Analytical Chemistry, Biochemistry, Designing tools and chemical processes, Chemical industry process, Computing and modeling (simulation) process, Particle and nano technology, membrane technology, esessential oil technology, and phytopharmaca, etc. Civil Engineering including : technology of construction materials, transportation system, environmental layout, concrete and wood structures, steel construction, bridge and dam construction, management of water resources and Hydrology, earthquake engineering, sanitation systems and urban drainage.
Arjuna Subject : -
Articles 10 Documents
 1 
Search results for , issue "Vol 1, No 2 (2016)" : 10 Documents clear
ANALISIS RENCANA TATA TANAM GLOBAL (RTTG) TERHADAP KINERJA DAERAH IRIGASI LUASAN LEBIH DARI 3000 HA Hesti Triana; Antonius Suryono; Esti Widodo
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.651

Abstract

The potential of irrigated land in the province of Papua untapped Seara clear, very suitable to serve as land development and land irrigation potential has not been clearly identifed. Koya is one of the transmigration program development that is expected to serve as a granary for the City and District mainstay Jayapura.Debit average67.003 m3 / sec for irrigation service area in Koya planned area of 4970 ha, Dam Tami sufficient to meet the water needs of irrigation areas Koya, which is an area of 3638 ha to 2978 ha of paddy details and the rest of the farm / fishing area of 660 ha. So that the provision of irrigation water will be carried out continuously. The system of planting(PTT) of the analytical results obtained RTTG variation 2 with cropping pattern Paddyrice-paddy rice (early planting in December and June) and Nila-Nila-Nila as RTTG elected, and after the simulation of the water balance and allocation model discharge surplus water obtained a total of 80.724 m3 / sec. But needs to be studied rampant land conversion, both of farmland to the fishery / pond, as well as the existence of human resources locals to expertise in farming
ISOLASI DAN KARAKTERISASI RUNUTAN SENYAWA METABOLIT SEKUNDER FRAKSI ETIL ASETAT DARI UMBI BINAHONG (Anredera cordifolia [Tenore] steenis) Wahyu Diah Proborini; Chaidir Chaidir
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.656

Abstract

Plant secondary metabolites, as products of secondary metabolism, are a tremendous available resource for pharmacy whether traditional or modern medicine system. Binahong (Anredera cordifolia [Tenore] steenis), also known as Madeira vine, is a medicinal plant that has been empirically recognized for several pharmacological compounds. This plant has also been utilized widely in the society for years as anti-oxidant, antiinflammation, anti-fungal, anti-bacteria, anti-diabetic and anti-cancer. Specifically, the research is aiming to identify molecular structure of secondary metabolite compound in ethyl acetate fraction of binahong roots using analytical HPLC while structure elucidation was done by LC-ESI MS, H-NMR and C-NMR. Analytical HPLC of ethyl acetate fraction has showed major peak on its separated derivative fraction, that is coded Ef 1.2 and Ef 1.3, on time retention 37,7 and 37,4 respectively. Considering the significant amount of Ef 1.2 fraction, then it is used in continued analysis rather than Ef 1.3 fraction. In addition, determination of molecular weight using LC-ESI MS resulted the number of molecular weight of Ef 1.2 fraction which is 296,22 Da (m/z). The molecular weight has closest possibility with empirical formula that is loaded from http://www.chemspider.com, is C20H34O. Characterization through H-NMR and C-NMR for its carbon-hydrogen framework was confirmed that the compound of Ef 1.2 is terpenoid named phenanthrena.
PENGARUH PENGGUNAAN ABU TERBANG (FLY ASH ) TERHADAP KUAT TEKAN DAN PENYERAPAN AIR PADA MORTAR Armin Naibaho; Takim Takim; Diana Ningrum
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.652

Abstract

Mortar or species is one of the building materials which serves to glue the bricks, brick, and stucco. During this time still using portland cement mortar and lime as the main connective materials are expensive. Therefore we need an alternative other connective materials that have cheaper prices and predicted can improve the compressive strength of mortar. Alternative fastening material used in this study is waste from coal combustion, ie fly ash (fly ash). This study uses a mixture of cement and sand composition of 1: 3 at a weight ratio of fly ash to cement amounted to 0%, 5%, 10%, 15%, 20%, 30%. Samples were tested compressive strength and water uptake is cube-shaped sample with a size of 5 cm x 5 cm x 5 cm. Based on the results of research conducted showed that the addition of fly ash was found to increase the compressive strength of mortar and act as filler so as to reduce water absorption, which in get the most optimum composition occurs in the percentage of 15% of the weight of the cement with the compressive strength at 28 days amounted to 420.00 Kg / cm² and water absorption of 1.67%
ANALISIS PROTOTIPE PEMBANGKIT LISTRIK TENAGA BAYU (PLTB) TIPE SIRIP BALING-BALING DINAMIS POROS VERTIKAL Suyanta Suyanta; Zahratul Jannah; Muh. Nasir Hariyanto
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.657

Abstract

Serves as a vertical windmill power generation derived from wind speeds that occur in areas that have a function of wind speed as power plants. so as to move / rotate to the next windmill can rotate the dynamo that can generate electrical energy. In this study, researchers wanted to develop a system by adding a dynamic fin, where fin is equipped with hinges that functioned as a reduction of pressure on the side of the lai. For more details can be followed in the design of a complete explanation on the basic theory pembahasa. At the end of this study can determine deferent between the fin and the fins remain dynamic in the manufacture of prototype vertical windmill. So in the end it can be seen which system is better , whether fixed or fins fin system dynamic , hoped this research can provide better advice to design a vertical axis windmill better.
UJI STABILITAS CHECK DAM KEDUNGREJO 15 DI KALI KONTO KECAMATAN PUJON KABUPATEN MALANG Suhudi Suhudi; ester ria dwi kandari
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.648

Abstract

Cactment area Kali Konto is the part of up stream Brantas which is located in Pujon Malang It’s 233 km2. The main building water that’s located at DAS Brantas Hulu is Selorejo reservoir. It’s ethnic age reach 100 years but will be reduced because the silting up of reservoir. It’s caused of the big erotion and sedimentation in the water arrest area. The erotion happened more than the limit of tolerance from the land erotion whichs is permitted. Kali Konto is the biggest sedimentation contributor for Selorejo Reservoir. One of the action in case erotion and sedimentation in the river is by building Sediment Controller Building or generally mentioned by Check Dam. From the calculation stated that the dimension of check dam will be made of river stone like the elevation of top spillway peak dam main in 862 m with effectife height amount of 4 m and foundation depth amount of 2 m, the width of mercu pelimpah main dam amount of 3 m with discharge in the repeatance periode is 50 years amount of 1186,79 m3/sec, the controlling height amount of 1 m. The analytic of building stability check dam is in the safe condition, it is 1,27 1,2 (required).
PRA RANCANG PABRIK ARANG AKTIF DARI BAMBU DENGAN SISTEM FAST PYROLISIS DENGAN KAPASITAS 5000 TON/TAHUN Ian Fransiskus Lerrick; Taufik Iskandar
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.653

Abstract

The raw material for the manufacture of activated charcoal is very abundant. The raw materials can be made into activated charcoal is any substance containing carbon, both derived from plants, animals, and minerals such as coal. Bamboo so far is only used as an interior material and also with in the development period bamboo is used as an ingredient raw craft. To increase the added value of bamboo, bamboo utilization efforts are required to be processed into charcoal, through pyrolysis technology. Pyrolysis is the thermal decomposition process of biomass with limited oxygen and high temperature. For particles of 5-8 mm, the composition of the pyrolysis are 5% Tar, 46.82% Char, 7% gas, 41.18% liquid smoke. Pyrolysis is the thermal decomposition process of biomass with limited oxygen. Pyrolysis release of three kinds of products: solid, liquid, and gas. Pyrolysis release of three kinds of products: solid, liquid, and gas. Pre-planning design of activated bamboo charcoal by fast pyrolysis system. This design will be established in Riau. Pre activated charcoal design with Fast Pyrolysis system with bamboo will be built in 2016 with a capacity of 5000 t/year. Activated Charcoal Making Process consists of: Preparation, the process of pyrolysis and activation processes, Based on economic analysis, industrial activated charcoal is feasible to set up views of the economic aspects as follows: ROIat (%): 55.01%, POT (Years): 1 , 41, BEP (%): 34.96%, the IRR (%): 44.60.
ANALISIS DAN PEMETAAN DAERAH KRITIS RAWAN BENCANA WILAYAH UPTD SDA TUREN KABUPATEN MALANG Galih Damar Pandulu
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.649

Abstract

Disasters in the area of Technical Implementation Unit Office of Turen, especially those caused by water damage requires the prevention and treatment of good and effective. In an effort to manage critical areas and disaster-prone river in the region, especially in the working area, in need of maps and data critical areas and prone to such disasters. The expected result is the availability of critical distribution maps and disaster-prone areas related to water resources in the area of Regional Technical Implementation Unit Turen Malang. The analytical methods used are scoring Analysis disaster-prone areas and analysis of the level of vulnerability and the risk of flooding. Results of research on critical land get there in the districts and sub-districts Poncokusumo Wajak, while the level of vulnerability to flooding obtain flood prone land area of 137.36 km2 and is very prone to flood an area of 3:35 km2.
OPTIMASI PROSES DESTILASI UAP ESSENTIAL OIL Zuhdi Ma'sum; Wahyu Diah Proborini
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.654

Abstract

Most of essential oils are produced using simple method steam destillation. The tool used in this reseach were made by a small workshop. This equipment can be used for distillation and condensation. But the best process that can be applied to this equipment is still unknow. The purpose of this study is to obtain the shortest processing time and optimization of production processes. This condition is achieved by decrease the rate of increasing temperature of cooling water. With the achievement of this conditions, the optimization of the essential oil distillation process in oil refining production system can be determined. The method used in this research is to reduce the temperature of the water out of the condenser using cooling tower.The best temperature decrease is obtained at A process with the difference in temperature of the cooling water at 1.5oC, 2.5oC, 3.5oC, 5.5oC. The decrease of increasing temperature of the cooling water can increase the capacity process through the addition of process. Optimization of processing time in 12 hours resulted repetition of the process at 4 hour by 3 times. With the cooling tower can reduce the rate of increase temperature in cooling water.Yield of Essential oils increase 29%.
PEMBUATAN SALURAN KELILING UNTUK MENGATASI BANJIR (Studi Kasus Perumahan PNS Kota Tarakan, Kalimantan Utara) Kiki Frida Sulistyani
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.650

Abstract

So far we know making a ring road outside the city or county to mengartasi traffic density on roads in urban areas. To address the housing PNS flooding caused by the availability of water from surrounding areas due to the location of residential housing in the river valley, then in fashion channel surround housing. Given the rapid development in the town of Tarakan, the manufacturing channel surround using the C = 0,5 assuming land use layout around PNS housing has become a residential areal. This meant that the planned channel can still be used to the area around the housing PNS into a residential area. Calculation results show precipitation method Log Pearson type III at Q = 162 459 mm 10 th and 25 th Q = 183 888 mm. The area around the housing PNS affecting the flood housing PNS is divided into 7 sub-watershed. Channel calculation using trapezoid channel 2 alterbatif namely the pair of stone and concrete vertical channel. Dimensional calculation results obtained from the largest channel for vertical channel B = 5.0 m and H = 2.5 m.
OPTIMALISASI KINERJA ALAT PENGHASIL ASAP CAIR DARI BAHAN BAKU LIMBAH PERTANIAN Sinar Abrina Anggraini; Tiya Nurhazisa
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.655

Abstract

Currently the rottenable food material needs for preservation technology that was safe for people's health. Recently, liquid smoke technology which is used as an alternative material of food preservatives is from any agricultural waste. Liquid smoke beginning to develop by researchers, to get the higher quality in order to become safe for consumption by the public and not contains carcinogenic substance. The purpose of this study was to determine the performance of liquid smoke tools, the quantity and quality of liquid smoke. In this research, the material used was corn cob and coconut shell using the main tool of pyrolysis reactor, with the optimum operating conditions and then analyzed using GC/MS and LC/MS. The result showed that the yield of liquid smoke coconut shell without drying and through drying was 36% and 28.8%, while from the corn cob was 61.2% and 30.4%. Charcoal of coconut shell 33% and 50% while from the corn cob was 16.7% and 33.3%. The number of missing components from coconut shell is 31% and 21.2% while from the corn cob was 22.1% and 36.3%%. Performance of liquid smoke tools from coconut shell is 4.37 g/(hour.m) and 5.59 g/(hour.m) while from corncobs is 7.42 g/(hour.m) and 7.37 g/(hour.m). The phenol quality of the resulting liquid smoke from coconut shell and corncob was 3.04% and 1.38%. Acidity quality was 7.3% and 1.3%. The value of pH was 1.41 and 2.47.

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