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All Journal JURNAL TEKNOLOGI LINGKUNGAN Jurnal Hidrosfir Indonesia Jurnal Teknologi Lingkungan
Yudhi Soetrisno
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Engineering Environmental Science

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PENGEMBANGAN BUDIDAYA UDANG DAN POTENSI PENCEMARANNYA PADA PERAIRAN PESISIR Yudhi Soetrisno
Jurnal Teknologi Lingkungan Vol. 5 No. 3 (2004): 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 (161.957 KB) | DOI: 10.29122/jtl.v5i3.314

Abstract

Becouse of the shrimp price in international market was high, Indonesia which have a big potential swamp for develop shrimp pond (tambak) plan to increase the shrimp production. Lately, intensive shrimp culture always failed due to decomposition of organic waste in the bottom created oxygen depletion and produced gases (NH3 and H2S) which dangerous to water organisms.To avoid the fenomema farmer threw out the organic waste to coastal water which can develop euthrofication, blooming and water quality degradation. This paper conclude that increasing of the shrimp production using intensive culture will create many problem, due to the existing technology was not completed by technology which can eliminate the organic waste in the pond. This paper suggest that before the intensive technology was completed with “waste water treatment” or “biomanipulation technology” which can eliminate the organic waste in the pond, the increasing of shrimp production will better using extensive program with conventional or semiintensive technology. Without all it the negative impact of organic waste in coastal waters will bigger than positive impact of increasing the shrimp production.
KAJIAN STATUS KUALITAS PERAIRAN JANGARI CIRATA DAN KELAYAKANNYA UNTUK DAERAH WISATA AIR Yudhi Soetrisno
Jurnal Teknologi Lingkungan Vol. 6 No. 2 (2005): 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 (246.89 KB) | DOI: 10.29122/jtl.v6i2.347

Abstract

Jangari is an area in Cirata reservoir that was developed for tourism area. Lately, in this area have been developed many cages for fish culture that produce organic waste in huge number. This research was conducted to know the status and dynamics of water quality in Jangari that receive organic waste in huge number.The research revealed that Jangari water body could be cited as an eutrophic water body. This conclusion was due to (i)-the concentrations of phosphorus was always higher than 0,016 mg•l-1P and nitrogen total was always higher than 0,711 mg•l-1N; (ii)-the density of fitoplankton in 25 cm depth was between 36.590•103 and 40.710•103 ind•l—1; whereas in 150 cm depth was between 29.620•103 and 36.370•103 ind•l—1. This phytoplankton community was dominated byCyanophyta (70,9%-78,2%), especially. Microcystis sp and Oscillatoria sp. (iii)-the vanishing point of secchi disc was always smaller than 71 cm. During the research zooplankton was dominated by copepoda, cladocera and rotifera with density fluctuate between 34-394 ind•l—1. The eutrophic status for Jangari, will threaten the sustainable potency for tourism area; and therefore it was suggested to built one management for Cirata reservoir which could be hoped to plan, do and evaluate the development of Cirataappropriate to the potencies and carryng capasity of reservoir.
STATUS KUALITAS PERAIRAN WADUK SEI BALOI - BATAM DAN KELAYAKANNYA UNTUK BAHAN BAKU AIR MINUM Yudhi Soetrisno
Jurnal Teknologi Lingkungan Vol. 7 No. 2 (2006): 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 (50.206 KB) | DOI: 10.29122/jtl.v7i2.374

Abstract

Sei Baloi is a reservoir in the Batam Industrial Development Area (BIDA),which developed especially for source of drinking water. This research wasconducted to know the water quality of Sei Baloi, and the suitability for thesource of drinking water. This research revealed that the water of Sei Baloi cannot directly used for drinking water due to concentrations of detergent, Cr, Cdand Pb were higher than the national standard for drinking water. Base on thisresult, it was suggested that the water of Sei Baloi need threatment forderease the above parameters.
CONTRIBUTION OF THE ORGANIC WASTE FROM FISH CULTURE ON THE DEGRADATION OF WATER QUALITY OF RESERVOIR CIRATA Yudhi Soetrisno
Jurnal Teknologi Lingkungan Vol. 7 No. 3 (2006): 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 (52.308 KB) | DOI: 10.29122/jtl.v7i3.395

Abstract

Cirata is one of three reservoirs lay in Citarum River, where the waterbody is used to fish culture in floating net. Lately, one or two times in ayear, fish in the floating n die massly because of the water quality ofet reservoirs have worsen, which resulted from the entering of organicpollutant from human being activities in and outside of the Reservoir. Thispaper is written to reveal contribution of organic waste from fish culture infloating net represented human being activities inside of the Reservoir onthe worsening of water quality Cirata. The result revealed that theReservoir Cirata continually has been polluted by organic waste, whichgradually resulted in the worsening of water quality indicated byincreasing chemical oxygen demand (COD) and concentration ofchlorophyll-a (Chl-a), and decreasing secchi disk. This study indicatedthat on 1997, fish culture using floating net (internal loading) in ReservoirCirata contribute the nutrient three times than domestic and agriculture(external loading). This situation is guessed still going on hitherto,therefore the reservoir become very hypertrophic, as giant cesspools, andresulted in death of fish massly.
UJI BOD, INDIKATOR KEKUATAN LIMBAH YANG MASIH BERMASALAH Soetrisno, Yudhi
Jurnal Teknologi Lingkungan Vol. 1 No. 1 (2000)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Kebutuhan Oksigen Biokimiawi (BOD) adalah salah satu parameter kualitas limbah yang banyak digunakan untuk memprakirakan kekuatan suatu limbah mencemari calon badan air penerimanya, bahkan sering digunakan untuk memprakirakan status pencemaran suatu badan air. Dengan demikian BOD mempunyai peranan yang sangat penting dalam usaha untuk mempertahankan daya guna suatu ba:dan air. Benarkah parameter BOD sehebat itu atau pantaskah uji BOD diperankan sebesar itu. Paper ini berusaha menguraikan dan mengkaji tentang kelebihan dankelemahan uji BOD, dan hasilnya mengisaratkan bahwa sebagai parameterkualitas limbah, BOD tidak banyak memiliki kelebihan dari parameter lainnyakecuali kepraktisan yang bisa menyesatkan. Oleh karena itu maka sebenarnya uji BOD belum dapat digunakan sebagai alat meneliti, namun justru masih harus dijadikan bahan penelitian; atau harus diteliti. Akhirnya untuk menentukan kekuatan limbah dilapangan penggunaan COD (kebutuhan oksigen kimiawi) lebih disarankan.
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