Pengolahan Air Limbah Domestik Menggunakan Tanaman Alisma Plantago dalam Sistem Lahan Basah Buatan Aliran Bawah Permukaan (SSF - WETLAND)

The rapid growth of the Indonesian population will produce more and more wastewater. Throwing domestic wastewater directly without treatment had caused the water pollution. One of simple, easy, low cost in maintenance and operation technology to decrease the pollutant in wastewater is constructed wetland. This research is aimed to know the efficiency and the best of detention time Subsurface Flow Wetland 2 levels with peat soil media and plant of Alisma plantago in treatment of domestic wastewater. The quality parameters of water that was tested are pH, COD, and TSS. Statistic calculation that was used in this research is Anova (Analysis of variance) of one way. The best efficiency for pH 31.7%, COD 82.1% and TSS 90.3% in variance 4 with time of detention 4 days in reactor 1 and 1 day in reactor 2. The results showed that the constructed wetland 2 levels using peat soil media and plant of Alisma plantago can improve the quality of wastewater

Studi Karakteristik dan Potensi Pengolahan Sampah di Kampus Bina Widya Universitas Riau

Solid waste is one of the environmental problems linked to our lives. University of Riau (UR) is a public university in Pekanbaru that can not be separated from the solid waste problems in which there is currently do not have alternative solid waste treatment. The purpose of this study was to determine the potential of treatment and economic potential. Method sample in campus 8 days consecutive shows, with location of sample solid waste faculty, office, canteen, hospital, road, and mosque. Analysis sample characteristic of proximate (water content, volatil, ash and fixed carbon) and garbage energy by using appliance bomb calorimeter. The percentage of the proximate analysis recapitulation waste mixed conditions the average percentage generated of 43,5% water content, volatile content of 45,7%, ash content of 2,2% and fixed carbon of 6,8%. Percentage recapitulation waste proximate analysis by components highest water content of 37,9% of organic waste, volatile content of 83,8% textile waste, ash content of 26,2% plastic waste, and fixed carbon of 96,8% waste iron. The highest calorific value waste is plastic waste that of 12671.56 cal/gr. Solid waste that has economic potential sale value to collectors obtained for Rp.107.735,-/day. Mass balance of weight solid waste with a daily average weight of 816 kg/day, which can be utilized 512 kg/day and the weight of solid waste being dumped into temporary disposal location 303 kg/day. Solid waste treatment for organic waste such as composting or animal feed, while the inorganic waste can be recycled and waste that has economic value can be sold directly to collectors, while the waste that is not used will be disposed to landfill the city of Pekanbaru

Pengolahan Air Gambut dengan Teknologi Biosand Filter Dual Media

Clean water fulfillment become a common problem and yet to be solved especially for isolated countryside area. Clean water can be defined as daily needs water and its quality should fulfill the requirement of healthy water based on laws and can be drinked when it is cooked. High demand of clean water for peat area community made this research to be important. The utilization of simple water treatment system is expected to solve the problem of clean water for the comunity. Treatment method used in this research is biosand filter with dual media of pumice and quartz sand. Water quality parameter tested are pH, color, solution degree, and organic contain (KmnO4). Statistical analysis used in this research is two ways varian analysis (Anova). The result of the research shows that the best arrangement of filtering media layers are pumice at the top and quartz sand underneath it and for the thickness of the filtering media, the best thickness to used is 40 cm of pumice thickness and 20 cm of quartz sand thickness. Dual media biosand filter can generate maximum efficiency in raising pH value of 36,54%, lowering peat water solution level of 88,41 %, lowering peat water color value of 92 ,33 % and also lowering organic content of 93,24 %

Kemampuan Constructed Wetland Jenis Aliran Bawah Permukaan (SSF - Wetland) dalam Mengolah Air Limbah Kawasan Komersial

Wastewater of commercial areas such as hotels, shops, restaurants, offices, and shopping centers relatively contain high pollutant concentrations, they caused the imbalance of drainage ecological quality, health problems, and the water pollution itself. The effective technology in treating waste wateris The Sub Surface Flow Constructed Wetland (SSF-Wetland) that maximize either the impact or the potentcy of the plants in treating waste waterin the physical, chemical and biological wayby using plants/vegetation, water and microorganisms to reduce the level of pH, Chemical Oxygen Demand (COD), and the level of Total Suspended Solid (TSS) contained in waste water by slowly flowing them through the inlet hole to the surface covered by the living plants. The experimental result shows by using bamboo water plant (Equisetum hyemale) in artificial wetland system, the content of pollutants in wastewater can be eliminated. The highest average value of COD reduction efficiency is 61.9 %, 92.6 % of TSS and the decreasing of pH reaches 29.4%. The advantage of wastewater treatment using this system enables us to produce the appropriate water quality of the domestic wastewater based on the quality standards

Simulasi Pipa Transmisi Air Baku dari Sumber Air Sungai Jurong 2 ke PDAM Tirta Dharma Duri

Waters demand in District of Mandau is a concern because of population growth and increasing water shortages in the dry season . Therefore, needed a new alternative source of raw water to meet water needs in District of Mandau deep water channel of a new raw water source required transmission pipelines to the water treatment plant. Then the required study of several alternative raw water transmission pipeline system. The results of this study can be concluded from the results of population projections obtained percentage of water services in 2013 amounted to 24 %, in 2017 amount 29 %, in 2022 amount 30 %, in 2027 amount 35%, in 2032 amount 53 %. Water demand planning used 4 alternate with 4 different discharge to increase the supply of raw water supply in District of Mandau which only amounted to 80 liters/sec. Simulation of the raw water transmission system for District of Mandau obtained is expected to be a guide in the planning pipeline for PDAM Tirta Dharma transmission Duri

Studi Timbulan dan Komposisi Sampah sebagai Dasar Perencanaan Sistem Pengelolaan Sampah di Kampus Bina Widya Universitas Riau

In all activities, human will produce a residual in a form of solid called solid waste. Kampus Bina Widya is a one of university in Pekanbaru with all of its activities is not hampered from solid waste productiom and problems coming from it, one of which can be seen on the amounts of solid waste in LPS (Land Disposal meantime) located behind of a Stadion Mini. This study aims to determine the waste generation and composition at Kampus Bina Widya and planned waste management system that includes lug, collection, transportation and the planned dump site (TPST) in Kampus Bina Widya, so the landfill activity on campus no longer exists. This study begins with the generation and waste composition studies conducted in 4 faculty, 3 offices, roads, public housing, hospitals and mosques.The study results showed the composition and in 2014 the daily waste generation of 9.448 l/day with composition is inorganic waste by 50,55% % and organic waste by 49,45%. Waste management planning in Campus Bina Widya include disaggregated lug to lug needs a capacity of 10 l bin for organic waste as much as 325 units and as many as 514 units of inorganic waste, bin capacity of 30 l to 108 units as much organic waste and inorganic waste as much as 171 units, bin capacity 60 l for organic waste as much as 62 units and 88 units of inorganic waste. Collection system in the form of segregated polling stations with a capacity of 4 m3 tub. A transport fleet capacity of 4 m3 pick up 2 units. The area of land needs TPSTs in Bina Widya Campus is an area of 635.33 m²

Aplikasi Biosand Filter dengan Penambahan Media Karbon (Arang Kayu) untuk Pengolahan Air Sumur Daerah Gambut

Refers to the results test from UPT Health and Environment Laboratory in Pekanbaru, the quality of water wells in peat areas on Kadiran Street RW.06 / RT.03, Kulim, Tenayan Raya District, Pekanbaru City, has turbidity (CaCO3) level of 18 mg/L and contains iron metal (Fe) < 0,0195 mg/L, manganese (Mn) < 0,0248 mg/L, organic substances (KMnO4) 9,7 mg/L, pH levels between of 4.9 – 5.2, and smelling. This condition makes water wells in peat areas should through processing water treatment before consumed. Biosand filter with the addition of carbon (charcoal) is the one of alternative treatment for water wells in peat areas with simple and natural concept. The purpose of this research for determining the efficiency from using biosand filter with the addition of carbon (charcoal) to get the most quality of water wells in peat areas based on the parameters pH, smelling, and organic substances. Reactor of biosand filter is made from PVC pipe diameter of 6" and high 150 cm. The results showed that, biosand filter produces the best efficiency to increase the pH value up to 26.00%, to decrease organic substances value up to 91.92%, and eliminates of smelling. In generally, water wells in peat areas which produced by biosand filter process can to repair the parameters of the organic substances and smelling. However water discharge producing from reactor of biosand filter is too small, so that not effective to be applied

Model Fisik Sub Surface Flow Constructed Wetland untuk Pengolahan Air Limbah Musala Al-Jazari Fakultas Teknik Universitas Riau

Musala Al-Jazari is located in the Faculty of Engineering, University of Riau. Activity in musala every day produces a wastewater effluent. Wastewater directly discharged and allowed to seep in flooded soil without first processing that can affect groundwater quality. One of the appropriate technology is simple, inexpensive and easy in operation and maintenance system to reduce pollutants in wastewater was constructed wetland. The purpose of this study is to plan physical model of Sub Surface Flow Constructed Wetland (SSF-Wetland) field scale, determine the effectiveness of SSF-wetland in reducing water waste and calculate budget construction costs SSF-Wetland. Research using medium black soil and water jasmine plants (Alisma plantago). Water quality parameters tested were pH, Chemical Oxygen Demand (COD) and Total Suspended Solid (TSS). The results of the study resulted in the highest efficiency value of 78.07% reduction in COD, TSS of 78.72% and an increase in the pH value of 27.59%. From planning SSF-Wetland obtained the total planned budget of Rp. 6,574,527.16. Overall the results showed that the constructed wetland besides being able to improve the quality of waste water can also beautify the area musala

Kinerja Beton High Volume Pofa

The use of Palm Oil Fuel Ash (POFA) as a pozzolanic component in concrete continues in the future due to increase amount of POFA as by-product from industries annually. POFA is used as partial cement replacement in concrete and has significant impact on concrete's performance. In this research, high volume POFA concrete with POFA replacement of 45%, 55% and 65% by cement mass were studied. POFA was obtained from local quarry in Riau Province. OPC concrete was used as control mix. Some properties namely workability, setting time, compressive strength, shrinkage and porosity were investigated. Results show that workability and compressive strength decreases as the POFA replacement increases in concrete. Porosity, shrinkage and setting time increases with an increase of POFA in concrete. It can be concluded high volume POFA using local material cannot improve the concrete performance significantly