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All Journal Jurnal Dinamika Penelitian Industri Jurnal Katalisator
Raimon Raimon
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Agriculture, Biological Sciences & Forestry Chemistry Industrial & Manufacturing Engineering

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STUDI PENGOLAHAN AIR LIMBAH LABORATORIUM SECARA TERPADU (KOAGULASI, FILTRASI, ADSORPSI DAN PERTUKARAN ION) DENGAN SISTEM BATCH Raimon Raimon
Jurnal Dinamika Penelitian Industri Vol 21, No 2 (2010): JURNAL DINAMIKA PENELITIAN
Publisher : Balai Riset dan Standardisasi Industri Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28959/jdpi.v21i2.3178

Abstract

Laboratory waste water is categorized as a toxic and hazardous waste. Research on laboratory waste water treatment which is resulted from COD analysis by applying coagulation, filration, adsorption and ion exchange in one step intergrated method has been done, in a laboratory scale of 1 liter volume of laboratory waste water. The purpose of this research is to get the optimum condition of treatment by variation the kind and concentration of coagulant, and the contact time in the adsorption process. Percentage decrease of pollutant has been observed through the measurement of some parameters such as: Total Dissolved Solid (TDS); Heavy metals such as iron (Fe), Manganese (Mn), and chromium (Cr), ammoniac and acidity (pH). The resultof this research that the best coagulant was 1 g/L Alum sulphate (AL2(SO4)3) and contact time was 2,5-5 minute. The result of analysis integrated laboratory waste water had been treated with batch system able to reduced total dissolved solution (TDS) 78,61 – 91,23%. Heavy metals Fe 97,61% - 99,99%, Mn 45,53% - 99,88%, Cr 92,54% - 99,98% and ammoniac 22,54% - 91,82%. Acidity (pH) of final laboratory waste water was 8,93.
HUSK-SAND CHARCOAL IMPROVES THE CHEMICAL QUALITY OF INCEPTISOL SOIL FOR LETTUCE MICROGREEN Suryani Suryani; Yunita Sabri; Yustitia Akbar; Rahmawati Rahmawati; Desriana Desriana; B.A Martinus; Raimon Raimon
JURNAL KATALISATOR Vol. 7 No. 1 (2022): Jurnal Katalisator Volume 7 Nomor 1, April 2022
Publisher : LLDIKTI X Sumbar, Riau, Jambi, Kepri

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (140.62 KB) | DOI: 10.22216/katalisator.v7i1.1041

Abstract

Inceptisol soil is a soil that is not good chemical and physical quality for the cultivation of lettuce microgreen. However, microgreen is a plant that has many benefits. Microgreens can fight free radicals, are useful as antioxidants, relieve the workload of damaged kidneys and lower bad cholesterol levels, and can reduce the risk of Alzheimer's disease. Several studies have been conducted to improve the soil quality of inceptisol. But improving its chemical quality by using a mixture of husk charcoal and sand and proving the change through the cultivation of lettuce microgreen has not been done much. The purpose of this study is to study the improvement of the chemical quality and physics of inceptisol soil using a mixture of husk charcoal and sand by cultivating lettuce microgreen in the land. This research is a mixture of field research and analysis in the laboratory. before planting and 2 weeks after planting, the land is measured pH, P determination is available by bra method, N conjecturing by means of distillation and spectrophotometry. Determination K uses HCl extraction method. Determination of Zn, Fe, and Ca using DTPA extraction. For analysis of cultivation, results is with RAK, where there are 4 groups with 5 Deuteronomy. The result was a change in pH from 4.7 to 6.9. The content of P, N and K changes from ineligible to fulfilling the requirements for lettuce plants. The results of the analysis provide real different information.
Co-Authors B.A Martinus Desriana Desriana Rahmawati Rahmawati Suryani Suryani Yunita Sabri Yustitia Akbar