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Endro Sutrisno
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PENGARUH JARAK TEMPUH DAN KONDISI TOPOGRAFI JALAN YANG DILEWATI KENDARAAN BERMOTOR RODA EMPAT TERHADAP KONSENTRASI EMISI HIDROKARBON (HC) DAN KARBON DIOKSIDA (CO2) (Studi Kasus : Mobil Dinas Camat di Kota Semarang) Ramada Haqqo Mujtahida; Sri Sumiyati; Endro Sutrisno
Jurnal Teknik Lingkungan Vol 2, No 4 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

The air in large cities exposed to a variety of pollutants. Of some kind of pollutant components, then the most influential in air pollution are the components of CO, NO, SO, HC and particles. Car is one of the sources of pollution in the air, the increasing number of cars that use the fuel, the emissions generated as hydrocarbons and carbon dioxide will increase. To ensure that the research done on the effect of distance and topography streets where automobiles to the concentration of HC and CO2 emissions.The method is carried out with the direct method of research in which direct conduct emissions testing on the sample car. Where the sample cars often pass through the area. And also conducted interviews directly to the owner of the car. From the analysis it can be seen the effect of the mileage and condition of the vehicle emission topography.The results showed that the farther the distance through which the vehicle is, the higher the HC and CO2emissions produced. But this has no effect on HC emissions vehicles often pass through areas with extreme topography. HC emissions generated on vehicles passing through the area with extreme topography higher than the vehicles passing through the area flat topography. As for the CO2, resulting in higher CO2 when passing through the higher elevations.
FITOREMEDIASI LIMBAH YANG MENGANDUNG TIMBAL (Pb) DAN KROMIUM (Cr) DENGAN MENGGUNAKAN KANGKUNG AIR (Ipomoea aquatica) Imbar Agusetyadevy; Sri Sumiyati; Endro Sutrisno
Jurnal Teknik Lingkungan Vol 2, No 2 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

AbstractHeavy metal contamination of waste containing lead (Pb) and chromium (Cr) is a serious problem on the current environmental conditions. Many industries that lead to increased pollution of water sources from waste discharged into waters without first processing. One of the processing environment is contaminated with lead and chromium phytoremediation technology. Plants absorb Pb and Cr potentially one of the plant water spinach (Ipomoea aquatica). The study was conducted to determine how much decrease in the concentration of lead (Pb) and chromium (Cr) and for analysis of wet plant water spinach (Ipomoea aquatica) and the long residence time of optimum to reduce waste containing concentrations of lead (Pb) and chromium (Cr) . Results of the study was a large decrease in Pb concentration of 0.5 mg/l and 0.8 mg/l by the swamp water, reaching 0.001 mg/l and 0.034 mg/l. While the decline in the concentration of Cr 1.5 mg/l and 2 mg/l was 0.25 mg/l and 0.623 mg/l. Analysis of wet kale optimum water is 100 grams. The method of absorption of Pb and Cr concentrations by water spinach is rhizofiltrasi and fitoekstraksi.
PENGARUH FERMENTASI EM4 (Effective microorganism) dan AIR TAPE SINGKONG (Manihot utilissima pohl) TERHADAP KADAR ETANOL PADA BONGGOL PISANG (Musa paradisiacal) Renasmawan Peratama; Sri Sumiyati; Endro Sutrisno
Jurnal Teknik Lingkungan Vol 2, No 4 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

Bioethanol is one of the fill-in alternative energy of fossil fuels. The substances used in this research is banana  weevils. The production of banana weevil bioethanol through the process of hydroulic enzym, fermentation with stater and distillation. Enzyme hydrolysis using materials such as Aspergillus niger, while the fermentation process using a variety stater EM4 and water fermented cassava then variation on the long fermentation time (3 days, 6 days, 9 days and 12 days). The parameters measured were pH, sugar content after hydrolysis and the fermentation process, then ethanol levels after the distillation process. In the process of hydrolysis of the banana weevil extract yield of 2.00% glucose. The results on ethanol the variation of stater EM4 and water fermented cassava obtained the highest fermentation is day 6 is 1.03% v / v and 1.05% v / v.            Bioetanol merupakan salah satu energi alternatif pengganti bahan bakar fosil. Bahan yang digunakan pada penelitian ini adalah bonggol pisang. Pembuatan bioetanol dari bonggol pisang melalui proses hidrolisis enzim, fermentasi dengan stater dan destilasi. Hidrolisis enzim menggunakan bahan berupa aspergillus niger, sedangkan proses fermentasi menggunakan variasi stater berupa EM4 dan air tape singkong setar variasi pada lama waktu fermentasi (3 hari, 6 hari, 9 hari dan 12 hari). Parameter yang diukur adalah nilai pH, kadar gula setelah proses hidrolisis dan saat proses fermentasi, kemudian kadar etanol setelah proses destilasi. Pada proses hidrolisis ekstrak bonggol pisang menghasilkan kadar glukosa sebesar 2,00%. Hasil penelitian kadar etanol pada variasi stater EM4 dan air tape didapatkan hari fermentasi tertinggi adalah hari ke 6 yaitu 1,03% v/v dan 1,05% v/v.
PENGARUH LAMA FERMENTASI TERHADAP KADAR BIOETANOL DARI LIMBAH KULIT PISANG KEPOK DAN RAJA Arifani Bestari; Endro Sutrisno; Sri Sumiyati
Jurnal Teknik Lingkungan Vol 2, No 3 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

Banana peel (musa sapientum) is organic waste that have value of carbohydrates that high and nutrition that can help the growth of a microbe. Based on it, then appears an idea to make use of the  bioethanol from the peel as a source of raw materials. Bioethanol is one alternative energy that are spoken currently who is expected to replace energy source of petroleum that has existed that is the fluid a result fermentation of sugar from sources of carbohydrate used the aid microorganisms. In this research process of waste the banana peel become bioethanol is aimed to determine the process of waste the banana peel plantain and kepok, ranging from process of smoothing the hydrolysis of, fermentation until distillation of which are then analyzed levels of each  bioetanol each kind of the banana peel based on the number of yeast and time. In this process of fermentation by the addition of saccharomyces cerevisiae by  number of yeast, as many as 3 5, 7 gram with long  fermentation different namely during 2, 4, 6, 8 days influencing the outcome of the level of bioethanol on the type of skin of plantain and kepok. This result of research produce levels of bioethanol the most high that is on the type of kepok banana peel with yeast fermentation as many as seven gram during the time of 8 days worth 17.05 % while on the peel of plantain with heavy yeast and the same time having bioetanol levels as many as 16.55 %. The longer fermentation, microorganisms more active and the extension of yeast the result of ethanol is increasing contained in a sample of the banana peel with heavy yeast 3, 5 grams, 7 gram levels of ethanol more robust on the day to  8.
STUDI PENGARUH PENAMBAHAN SABUT KELAPA PADA PEMBUATAN PUPUK CAIR DARI LIMBAH AIR CUCIAN IKAN TERHADAP KUALITAS UNSUR HARA MAKRO (CNPK) Anik Waryanti; Sudarno Sudarno; Endro Sutrisno
Jurnal Teknik Lingkungan Vol 2, No 4 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

The processing of fish, would produce fluid that comes from the process of cutting, washing and processing of products. Fisheries waste, especially wastewater, is usually discharged directly into the environment and caused environmental nuisance. Fishing industry wastewater contains a lot of protein and fat, resulting in nitrate and ammonia values were quite high, so it can be used as raw material for a complete organic fertilizer. In this study, the wastewater derived from cleaning fishes is used as the raw material for liquid fertilizer because its nutrient content is very potentially to be used as a liquid fertilizer. One way to make liquid fertilizer is through fermentation techniques. In this case, it used six (6) variations in the addition of coconut fiber to determine the effect of macro nutrients for making the best liquid fertilizer. The variations were: 0 ml, 100 ml, 200 ml, 300 ml, 400 ml, 500 ml and it was being fermented for 28 days. The amount of coconut fiber that produces the best liquid fertilizer is by adding 100 ml of it which resulting in nutrient macro content of C-organic, nitrogen, phosphorus and potassium, respectively 11.69%, 2.251%, 0.74% and 0.029% at 14th day and the content of macro nutrients on 28th day for C-organic, Nitrogen, Phosphorus and Potassium are respectively 11.28%, 2.366%, 0.77% and 0.041%.
PEMBENTUKAN ORGANISASI PERSAMPAHAN DALAM PERENCANAAN SISTEM PENGELOLAAN SAMPAH 3R BERBASIS MASYARAKAT (STUDI KASUS KELURAHAN SUNGAI BARU, KOTA BANJARMASIN) Ratna Ayu Sylvia Resty; Winardi Dwi Nugraha; Endro Sutrisno
Jurnal Teknik Lingkungan Vol 2, No 2 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

AbstractSungai Baru Village is one of villages in the city of Banjarmasin that waste management is still using the old paradigm that is gathering, transportation, waste. In addition, the waste dumped into the back of the house and then dumped or incinerated. Even some that waste dumped into the river for that it needs to be done managing. Suitable alternative to be implemented in Sungai Baru Village is a community-based solid waste management with the implementation of the 3 R as waste is managed and utilized within the village so no need to be transported to the outside. In addition, provide additional income for the citizens and community, so that people can be channeled abilities. In order to increase the active role of the community, it needs to be done about the trash socialization and established a waste management organization in the Sungai Baru Village, which formed its staff based on the desire and willingness Villagers.
STUDI PENGARUH JARAK TEMPUH DAN UMUR MESIN KENDARAAN BERMOTOR RODA EMPATTERHADAP KONSENTRASI EMISI KARBON MONOKSIDA (CO) DAN NITROGEN OKSIDA (NOx) (Studi kasus : Toyota Avanza Berbahan Bakar Premium) Tegar Chalis Bani; Endro Sutrisno; Sri Sumiyati
Jurnal Teknik Lingkungan Vol 2, No 4 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

Motor vehicle has been known as a source of air pollution. The exhaust gas from the vehicle can impact the environmental and the human health. The four wheel vehicle or car is the biggest contributor of CO and NOx. Concentration of emisions is effected from the gasoline that used. The others thing that can affect the emmisions are the mileage and the ages of the engine. The method that used is the direct method that testing the vehicle directly and also an interview to the owner of the car.From the results mileage and ages of the engine was positively related to the concentration of CO emission, where the further the distance and the older the age of engine, the more it will increase its CO concentration, with a correlation value of 89.40% and 99.5% perspectively.While mileage and ages of engine negatively related to the concentration of NOx emissions, where the farther the distance, and the older the age of engine,the more it will decrease its NOx emission concentrations, with correlation value of 88.6% and 93.8% perspectively.
PEMANFAATAN AMPAS BIOETANOL DARI KULIT PISANG (Musa Sapientum) SEBAGAI BRIKET Reny Nurainy; Sri Sumiyati; Endro Sutrisno
Jurnal Teknik Lingkungan Vol 2, No 2 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

ABSTRACTWith the energy crisis in Indonesia in recent years is due to the human need for fuel is increasing, while the supply of oil or natural gas is limited. This causes the cost of fuel energy. In addition to fuel oil and natural gas, timber when done randomly and in large quantities will interfere with the balance of the ecosystem or environmental sustainability. The purpose of this study was to obtain fuel briquettes from waste banana peel pulp bioethanol, as a substitute for fossil fuels. The study was conducted with a variable fixed briquette diameter 1 cm, height 5 cm and a total weight of 22 grams per briquet. While variable is the% change in the composition of the adhesive (25% and 50%) and the type of material that is Ampas bioethanol kepok banana peel and King. Response observed that color, calorific value, long burning fire and the resulting color. The results showed that% moisture content greatly affects the calorific value, long burning time. The calorific value of the greatest and most long ignition time obtained on treatment plantain because it produces a lower water content compared to banana pulp kepok. From the analysis that has been done can be concluded that the briquettes are in accordance with SNI.
STUDI PENAMBAHAN AIR KELAPA PADA PEMBUATAN PUPUK CAIR DARI LIMBAH CAIR IKAN TERHADAP KANDUNGAN HARA MAKRO C, N, P, DAN K Yovina Mulyadi; Sudarno Sudarno; Endro Sutrisno
Jurnal Teknik Lingkungan Vol 2, No 4 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

Liquid fertilizer content from fish wastewater had not fulfill the requirement of Agriculture Minister rules No.70/Permentan/SR.140/10/2011 with C-organic content 15.42%, Total N 1.26%, Phosphate 4.37%, and Potassium 0.36% thus variated coconut water for the enrichment of Total N and Potassium content. Liquid fertilizer made from fish wastewater is made by mixing fish wastewater, rice wash water, molasses, and coconut water (with variation of 0, 100, 200, 300, 400, and 500 ml) into the reactor and anaerobically fermented during 20 days then do the measurement of pH and Temperature every day and content of CNPK(C-Organic, N Total, Phosphate, and Potassium) on day 0, 10th, and 20th. The optimum result that is obtained from the measurement of  liquid fertilizer content from fish wastewater on day 10 with the variation of 500 ml of coconut water with content of C-Organic 17.12%, Total N 3.09%, 0.41% Phosphate, and 0.0066% Potassium.
PENURUNAN KADAR BOD DAN AMONIA PADA AIR LIMBAH DOMESTIKMENGUNAKAN TEKNOLOGI BIOFILM DENGAN MEDIA FILTER BUNGA PINUS, POTONGAN BAMBU, DAN BIOBALL Brian Angga Kusuma; Endro Sutrisno; Sri Sumiyati
Jurnal Teknik Lingkungan Vol 2, No 4 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

Activitiesofhouseholdsgenerateawastewatereffluent. One effortthat can be takenin minimizing theimpact ofdomestic wastewaterin a simpleandfastas well asprovidingeconomic benefitsto the villagersDalanganprocessingisdoneby usingbiofilmtechnology. Inthisstudy, usethree(3) filtermediaonbiofilmtechnology. Mediaused werepieces ofbamboo, pinefloral, andbioball. Withvariationsresidence time60, 90, 120, 150, 180minutes. Based onthese results, itwas found thattreatmentof domesticwastewaterwithbiofilmtechniqueis able toreducethe concentration ofBODby 95% andammoniaby 42%.
Co-Authors Anik Waryanti Arifani Bestari Brian Angga Kusuma Eka Triakuntini Fitri Indriani Imbar Agusetyadevy Irawan Wisnu Wardana Ramada Haqqo Mujtahida Ratna Ayu Sylvia Resty Renaldi Purba Renasmawan Peratama Reny Nurainy Sri Sumiyati Sudarno Sudarno Tegar Chalis Bani Winardi Dwi Nugraha Yovina Mulyadi