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All Journal Jurnal Agro Teknologi Tropika Jurnal Dinamika Penelitian Industri
Raimon Raimon, Raimon
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Agriculture, Biological Sciences & Forestry 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.
Intensitas Serangan dan Parasitoid Larva Ulat Api (Setothosea asigna van Eecke) (Lepidoptera : Limacocidae) di Kebun Kelapa Sawit di PT X. Desa Ukui Kecamatan Ukui Kabupaten Pelalawan Provinsi Riau Rustam, Rusli; Salbiah, Desita; Raimon, Raimon
Jurnal Agro Teknologi Tropika Vol 5, No 2 (2016)
Publisher : Jurnal Agro Teknologi Tropika

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Abstract

Parasitoids is one of natural enemies that have the potential to be developed and play a role in pests control Setothosea asigna van Eecke on oil palm plants in the field. The pests high attacks intensity S. asigna effect on the production of palm oil. The role of parasitoids in the field reduce the existence of pests S. asigna so that palm oil plant damage could be reduced. This study attempts to find out the attack intensity larva S. asigna and the form parasitoids associated with larva S. asigna. The study has carried out on PT. X Ukui Village, Ukui District, Pelalawan Regency, Riau Province and Laboratory of Plants Pest Faculty of Agriculture, University of Riau. This research is a survey with a method of purposive sampling on locations which the most be attacked by S. asigna with heavy attack criteria, consisting of 3 sample plants, location on each 10%, 9 plants so that obtained 27 sample plants. The research results show the number of attack intensity is 37%. The number S. asigna 4,59 each midrib. Parasitoids associated with larva S. asigna has not been found.
Co-Authors Desita Salbiah Rusli Rustam