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All Journal JURNAL TEKNOLOGI LINGKUNGAN Jurnal Kimia Terapan Indonesia Jurnal Rekayasa Lingkungan
Adi Mulyanto
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Materials Science & Nanotechnology

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PENGARUH OZONISASI TERHADAP DOSIS KOAGULAN PADA PERUSAHAAN AIR MINUM DI REDLAND, AUSTRALIA Adi Mulyanto
Jurnal Teknologi Lingkungan Vol. 1 No. 2 (2000): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (283.032 KB) | DOI: 10.29122/jtl.v1i2.173

Abstract

The experiments were conducted in the Environmental Engineering laboratory, Griffith University, Brisbane, Australia on samples provided by Redland Shire Council Waterworks. The result showed that ozonation has positive effect towards alum dosages as a coagulant. Ozone dosages were 2.86 ppm, 6.25 ppm, and 11.22 ppm, while alum dosages were 5 ppm, 10 ppm, and 15 ppm. Ca(OH)2 was utilized as pH regulator with the dosages in the range of 4 ppm – 12 ppm. Effects of ozonation on coagulant dosages were measured by color level expressed in Pt-Co units. Maximum color removal was 87% and 89% determined spectrophotometrically with the wavelength of 360 nm and 400 nm respectively.
STRATEGI MEMPERPANJANG UMUR TEMPAT PENGOLAHAN AKHIR (TPA) SAMPAH DI INDONESIA Adi Mulyanto
Jurnal Rekayasa Lingkungan Vol. 4 No. 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v4i1.1848

Abstract

The existence of Municipal Solid Waste (MSW) is not received by the community. The problem is MSWalways be generated by the activities of human being. All of the cities, especially in Java Island, facediffi culties to look for an area for dumping the MSW. The most effective strategy is the prolongation oflandfi ll site. The method applied is to build the small facility of MSW handling in small area such as RWs(administrative unit at the next-to-lowest level in city) or in the villages. The main product will be compostand other recyclable materials such as plastics, metals, and so forth. Therefore, maximum about 10% to20% of MSW will be discard in the landfi ll site. To realize the facility of MSW handling in the area, it needsseveral equipment to help for producing the good compost.Key words: MSW, composting process.
PENGOLAHAN DAN PEMANFAATAN AIR LIMBAH INDUSTRI BIODIESEL Adi Mulyanto
Jurnal Rekayasa Lingkungan Vol. 5 No. 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v5i1.1878

Abstract

As a tropical country, the availability of biomass is very abundant in Indonesia. Biomass is a source for renewable energy. One of the renewable energy is biodiesel. Biodiesel is produced by trans-esterifi cation of oil/fat. During the process, biodiesel industry produces either wastewater and/or solid waste. The wastes should be treated carefully. The wastes from biodiesel industry are categorized as organic wastes. Therefore, the treatment and utilization of such wastes is done biologically. The wastewater will be treated through in series of anaerobic, aerobic process and artifi cial wetland. Gas resulted from the stripping process in aerobic lagoon will be treated by using biofi lter. The solid waste will be utilized for producing compost by wind row composting. Wastewater from biodiesel industry contains high organic matter. The Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD) are 21.300 mg/L and 6.300 mg/L. Therefore, during treatment the process should be carefully handled. The quality of treated wastewater will be improved by treating it in an artifi cial wetland. When the treated wastewater has a positive impact towards the plant growth in the artifi cial wetland, then the treated wastewater will be utilized for liquid fertilizer by adding the macro and micro nutrient such as N, P, K, Ca, Mg, Mn, Co,Mo, S, and so forth. The prototype of wastewater treatment facility has been built in PUSPIPTEK Serpong with the capacity of 2.5 m3 of wastewater/day. The anaerobic process is established in an anaerobic digester (fi xed bed). The bed used is made of plastic. The aerobic digester is an activated sludge. Therefore, side products from this activity are biogas, compost and liquid fertilizer.Key words: fixed bed digester, activated sludge, biofi lter, compost, artifi cial wetland.
AIR LIMBAH INDUSTRI BIOETANOL BERBAHAN BAKU UBI KAYU SEBAGAI BAHAN BAKU PRODUKSI BIOGAS Adi Mulyanto
Jurnal Rekayasa Lingkungan Vol. 6 No. 3: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i3.1940

Abstract

As a tropical country, Indonesia has riches of biomass. Cassava is one of biomass which contains plenty of carbohydrate. Carbohydrate then is utilized as a source for producing bioethanol. In producing of bioethanol, the process also yield side product named vinasse. Vinasse is produced from distillation process of solution containing ethanol which has concentration between 7 and 10%. Vinasse contents very high organic substances with COD and BOD concentration amounting of 30,000 mg/L and 27,000 mg/L respectively. Vinasse was then treated in an anaerobic process by using fixed bed digester. Anaerobic fixed bed digester volume was 225 L. The digester was provided with support materialsmade from cutted PVC pipe. The support materials has void volume of 93%. Therefore, the effective volume of the digester was 209 liters. The digester was operated by upflow mode. Research result from this experiment will be utilized as basic design for producing biogas at a bioethanol plant located in Lampung Tengah. Capacity of the plant is 8,000 litres of bioethanol per day. Whereas the vinasse produced is 100,000 litres per day.Keywords: bioethanol, vinasse,fixed bed digester, biogas, casava waste water
EFFECT OF OZONIZATION ON COD AND BOD5 VALUES OF WASTEWATER FROM DETERGENT MANUFACTURER Adi Mulyanto; Neni Sintawardani
Jurnal Kimia Terapan Indonesia Vol 8, No 1-2 (1998)
Publisher : Research Center for Chemistry - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3057.434 KB) | DOI: 10.14203/jkti.v8i1-2.208

Abstract

The aim of this experiments were to examine the effect of ozonizotion on COD and BOD5 value of wastewater from a detergent manufacturer and to put forward the efficiency of COD and BOD5 removal as a function of the ozonization. It has been known that the detergent industry produces wastewater with high concentration of both COD and BOD5. The observation showed that the ozonization alone was not a practical approachfor COD and BOD5 removal. However, the role of ozonization as a preliminary process before the biological one seems to be significant.
Co-Authors Neni Sintawardani