Uray Lusiana, Uray
Baristand Industri Pontianak, Jl. Budi Utomo No. 41, Pontianak 78243

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Wastewater Treatment Efficiency Using Up flow Anaerobic Filter and Activated Sludge Acclimatization Lusiana, Uray
Biopropal Industri Vol 2, No 1 (2011)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

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Abstract

One of the largest applications of detergent is for cleaning clothes. By society, waste water containing detergent dumped directly into the ground or river. This can lead to pollution of soil or river so that can degrade the quality of the environment. Wastewater treatment has been carried out by the community one of them using the well diffusion because it is cheap. The downside of this treatment is not suitable to be applied in areas with high groundwater level and swampy areas. This study aims to determine the efficiency of wastewater treatment by anaerobic filter and up flow detergent acclimatization activated sludge. Anaerobic system is a biological process that uses the activity of microorganisms that can grow and live in environments without oxygen. Anaerobic bacteria living in the stone surface and oxidized past wastewater. The method used was neutralized waste water until the pH 7 followed by adding it to anaerobic tank and closed.  Inside anaerobic tank occurred inoculation by activated sludge and remaining it until 6 days. The temperature then must be watched between 37oC – 40oC in order of successfully acclimatization and it’s indicated by formation of gas. After acclimatization, the wastewater in anaerobic tank was stream down to up flow anaerobic filter through bottom to the top of the tank. The sample was then retaining in 2, 4, 6, 8, 10, 12 and 14 days followed by the detergent content analysis. The result showed that it could degrade the detergent rate from 21,03 mg/L to 3,83 mg/L  and the efficiency until 81,8 % with the maximum retention time was 14 days.
Application of Calibration Curve, Accuracy and Precision Chart as Internal Quality Control at COD Testing in Wastewater Lusiana, Uray
Biopropal Industri Vol 3, No 1 (2012)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

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Abstract

Quality assurance is one of the technical requirements that include in the quality management system based on SNI ISO/IEC 17025 : 2008. Quality assurance is all the process that planned and systematic activity that applied in analysis, so can give the confidence to the customer or data user. Quality assurance that is applied for COD testing in wastewater are calibration curve, accuracy and precision control chart. The purpose of calibration curve, accuracy and precision control chart applied was to control the data of COD testing so that guaranty the validity to report and to keep the consistence of testing result as statistic all the time. Calibration curve of COD testing have a coefficient correlation 0,99987. Accuracy control chart have limited line BTA = 104,95%, BPA = 102,97%, BIA = 100,98%, BTB = 93,03%, BPB = 95,02% and BIB = 97,0%. Accuracy data can be accepted if that data present between line of BPA and BPB (± 2 SD), data is warned if that data present between line BTA-BPA or BTB-BPB (± 2 SD and ± 3 SD), and data is outlier if that data present out of line BTA and BTB (± 3 SD). The precision data can accepted if that the RPD value is not more than 10 % of COD testing result.
The Use of Kaolin West Kalimantan as an Extender Pigment In The Manufacture of Emulsion Paint Lusiana, Uray; Cahyanto, Heru Agus
Biopropal Industri Vol 5, No 2 (2014)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

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Abstract

Wall paint emulsion is an emulsion of a mixture of pigments, binders and solvents, and other additives that are used primarily for painting walls. This study was conducted to determine the use of kaolin as a extender pigment West Kalimantan in the manufacture of emulsion paint walls. Kaolin is used combined with titanium dioxide with a percentage of 33% , 42% , 50% , 58% and 67% of the total pigment . The best results are obtained on the addition of 50% kaolin with power caps 29m2/L, density 1.40 g/cm3, fineness of 25microns, dry touch 10 seconds, hard dry 20 minutes, 61.99 wt% total solids, pH 7.21, viscosity 107 KU, resistance to alkali and accelerated weather for 600 hours. This was the best result and has met the quality requirements SNI 3564:2009 of emulsion paint.
Biosorpsi Logam Zn Pada Limbah Sintetik Menggunakan Biomassa Campuran Pseudomonas aeruginosa dan Pseudomonas sp Hidayati, Hidayati; Lusiana, Uray; Suyono, Yoyon
Jurnal Litbang Industri Vol 3, No 2 (2013)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1379.009 KB) | DOI: 10.24960/jli.v3i2.627.85-90

Abstract

Zinc is one of the heavy metals that could be harmful for environment. This metal usually arises from industrial activities. Biosorption of zinc in synthetic waste was conducted using biomass mixture of Pseudomonas aeruginosa and Pseudomonas sp. This research aims to determine the zinc adsorption capacity of the biomass in synthetic waste water. Zinc biosorption was performed at pH 4, room temperature and stirring 800 rpm. Variation of contact time used was 30, 60 and 120 min; and the amount of biomass used was 0.01 g, 0.02 g, 0.03 g, 0.04 g and 0.05 g. The highest zinc biosorption capacity was obtained 25.43% at the time of 120 minutes and the amount of biomass used 0.01 g. The optimum condition for biomass biosorption and removal capacity based on the correlation between experimental data and mathematical models was obtained with the addition of 0.04 g of biomass with correlation coefficient (R ) 1 and 0,965 respectively.ABSTRAK Salah satu logam berat yang berbahaya dari hasil kegiatan industri adalah logam Zn (seng). Biosorpsi logam Zn pada limbah sintetik dilakukan dengan menggunakan biomassa campuran Pseudomonas aeruginosa dan Pseudomonas sp. Penelitian ini bertujuan untuk mengetahui kapasitas biomassa dalam mengadsorpsi logam Zn pada limbah sintetik. Biosorpsi logam Zn dilakukan pada kondisi pH 4, temperatur ruang dan pengadukan 800 rpm. Variasi waktu kontak dilakukan pada 30, 60 dan 120 menit  dan menggunakan jumlah biomassa 0,01 g, 0,02 g, 0,03 g, 0,04 g  dan 0,05 g. Kapasitas biosorpsi logam Zn tertinggi diperoleh sebesar 25,43% pada waktu 120 menit dengan jumlah biomassa 0,01 g. Kondisi optimum biosorpsi logam Zn berdasarkan korelasi antara data eksperimen dan model matematika diperoleh pada penambahan jumlah biomassa sebesar 0,04 g baik untuk kapasitas biosorpsi logam Zn maupun efisiensi removal logam Zn dengan nilai koefisien korelasi (R2) masing-masing adalah 1 dan 0,965.