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RUMPUT LAUT GRACILARIA SP. SEBAGAI FITOREMEDIAN BAHAN ORGANIK PERAIRAN TAMBAK BUDIDAYA Wage Komarawidjaja
Jurnal Teknologi Lingkungan Vol. 6 No. 2 (2005): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Phytoremediation is the utilization of green plants to remove pollutants from the environment. A central component of this technology is the use of plants as living technologies that provide services in addressing environmental issues. Therefore, based on the hydrological understanding, phytoremediation technology can be used to manage nutrient and water dynamics; It can lead significant improvement in water quality as well as remediation of degraded ecosystem. Laboratory experiment result indicated, seagrass called Gracilaria sp. have the ability in reducing organic substance as total Nitrogen (N-Total) from 1,2 mg / L into 0.4 mg / L in less than 10 hour. The integration of seagrass into pond ecosystem as organic substances phytoremedian of exceeding fish-feed accumulation expected to become an alternative technology for water quality recovery enhancement.

STATUS MAKRO INVERTEBRATA PADA PERAIRAN DAS CITARUM HULU YANG TERCEMAR Wage Komarawidjaja
Jurnal Teknologi Lingkungan Vol. 6 No. 3 (2005): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Macro invertebrate study in Upper Citarum Watershed conducted for a fewtarget, such as understanding some organisms indices and the function in aquatic ecosystem.In this study, besides identified macro invertebrate type also measured some water quality parameter that influence to the exchange of its habitat quality. Water quality laboratory analysis indicates that pressure to macro invertebrate life happened due to the change in environmental quality Upper Citarum Watershed, either by physical impact (erosion) and also chemical impact (domestic, industries and agriculture). To overcome the problem mentioned, environmental monitoring enhancement to be needed, so that calamity of aquatic organism losses can be avoided.

KAJIAN ADAPTASI KIJING PILSBRYOCONCHA EXILIS SEBAGAI LANGKAH AWAL PEMANFAATANNYA DALAM BIOFILTRASI PENCEMAR ORGANIK DI PERAIRAN WADUK Wage Komarawidjaja
Jurnal Teknologi Lingkungan Vol. 7 No. 2 (2006): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Pilsbryoconcha exilis is freshwater mussel that derive its feed throughfiltering water. The mussels could filter such as phytoplankton andsuspended material to get their feed. Its ability may be used in waterremediation which is polluted by organic contaminant, such as at Ciratareservoir in West JavaTo undesrtand that freshwater mussels have abilityto adapt in Cirata reservoir, a group of mussels kept in certain watercolumn at some station observation. Then mussels growth rate wasmeasured. Research result indicated that freshwater mussel could beadapted and grown in different water column as well as in their habitat(bottom sediment with muddy substrate). The mussels planted in Ciratareservoir have relation length and weight pattern which categorize asnegative allo-metric (increasing of length is more dominant than weight).Observation result of mussels grow at Jangari Station was remarked bycoefficient of growth (k=0.47) and infinity of length ( 8 =9.41); at Pasir Empul k=0.64 and L8 =9.62; at Jati Nenggang k=0.47 and L8 =9.41; also atmussels stock cages k=0.65 dan L8 =9.62. The result of this study concluded that mussels could be grown in Cirata reservoir of West Java.

KONSENTRASI SENYAWA DIMETILSULFIDA (DMS) DI PANTAI UTARA JAWA BARAT DAN KEMUNGKINAN DAMPAKNYA PADA PRODUKSI UDANG Wage Komarawidjaja
Jurnal Teknologi Lingkungan Vol. 7 No. 3 (2006): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Shrimp culture has became one of the most important Indonesian exportcommodity since 1985 up to the beginning of 1990`s. Due to theincreasing intensification, the pressure on the shrimp ponds environmenthas became a serious problem. The problem was indicated by thedecrease in shrimp production since 1992. Dimethylsulfide (DMS) isknown as a major contributor to total sulfur emission from land and coastalmarine and also known to inhibit nitrification. In this respect, we arestudying the influence of DMS on nitrification process in saline water.This paper describes the DMS concentration observed in several places inthe Western Coast of North Java. The minimum and maximum concentrations observed were 790.32 ηM and 6483.87 ηM respectively. These figures are higher than concentration detected in any other coastal area where shrimp productions are concerned. We speculate that DMS has given some contributions in the depletion of shrimp production.

DEGRADASI BOD DAN COD PADA SISTEM LUMPUR AKTIF PENGOLAHAN LIMBAH CAIR TEKSTIL Wage Komarawidjaja
Jurnal Teknologi Lingkungan Vol. 8 No. 1 (2007): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Observation of waste parameter in textile wastewater treatment wasdone. This experimental investigation consist of three mayor textileparameter including total suspended solid (TSS), biological oxygendemand (BOD) and chemical oxygen demand (COD). The parameterswere collected and analyzed. The TSS, BOD and COD consentration ineffluent of textile wastewater treatment is not exceeded the standard,but the efficiency of TSS, BOD and COD reduction is not statisticallysignificant.

KARAKTERISTIK DAN KERAGAMAN MIKROBA UNIT PENGOLAH LIMBAH CAIR TEKSTIL Wage Komarawidjaja
Jurnal Teknologi Lingkungan Vol. 8 No. 2 (2007): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

One of major pollutants in textile wastewaters is organic substance that could be degraded and utilized by microbe as nutrient and energy source in activated sludge compartment at textile waste water treatment unit. Therefore, microbe is the concern in this observation. Based on the characterization result, such as colony type, Gram stain and microbial shape, there are 13 type of microbegrow in activated sludge. From 13 microbial type, 5 isolates is possibly as Bacillus spp., 4 isolates is to be Flavobacterium spp. and the rest as Pseudomonadaceae.

PERAN MIKROBA AEROB DALAM PENGOLAHAN LIMBAH CAIR TEKSTIL Wage Komarawidjaja
Jurnal Teknologi Lingkungan Vol. 8 No. 3 (2007): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

The objective of this study is to understand the performance of microbial degradation activities in textile wastewater treatment unit. Result of BOD, COD, DO and microbial measurement indicated that DO concentration in activated sludge wastewater treatment unit was < 0.5 mg/L, ratio of BOD and COD was >1.99 and microbial density was around 1 x 107 ind/mL. Based on parameter measured, firstly, the DO concentration is not enough for biodegradation process but this condition still work for biofloculation process; secondly, the BOD and COD ratio is indicating that wastewater compound could not fully degrade, eventhough the microbial density in the wastewater unit is in normal number.

TINGKAT FILTRASI RUMPUT LAUT (GRACILARIA SP) TERHADAP KANDUNGAN ORTOFOSFAT (P2O5) Wage Komarawidjaja
Jurnal Teknologi Lingkungan Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

The Concern of this study is to understand Gracilaria sp. function in biofiltration process as a way in removing exceeding nutrient.Laboratory analysis indicated that Gracilaria sp has the ability to reduce organic substance as orthophosphate in see water up to range 0.0082 -00.0149 ppm/days. Application of Gracilaria in waste water filtrattion is expected to be an alternative approach in shrimp pond waste water treatment.

SEBARAN LIMBAH CAIR INDUSTRI TEKSTIL DAN DAMPAKNYA DI BEBERAPA DESA KECAMATAN RANCAEKEK KABUPATEN BANDUNG Wage Komarawidjaja
Jurnal Teknologi Lingkungan Vol. 17 No. 2 (2016)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Di Kecamatan Rancaekek terdapat industri tekstil yang limbah cairnya diduga mempengaruhi kondisi lingkungan desa-desa seperti Jelegong dan Linggar.Â Â Oleh karena itu, penelitian ini bertujuan mengkaji dampak pencemaran industri terhadap kondisi lingkungan hidup di sekitarnya.Â Hasil analisa air dan tanah menunjukkan air sungai dan lahan pertanian sawah di sekitar industri tekstil mengandung bahan organik dan logam berat dengan konsentrasi yang cukup tinggi.Â Kandungan bahan organik air Sungai Cikijing yangÂ tinggi ditunjukkan oleh konsentrasi KMnO4 yang tinggi 859,1 mg/l, sedangkan pencemaran tanah oleh logam berat yang tinggi terjadi akibat proses akumulasi dimana konsentrasi Cr (8,56 mg/l), Pb (9,06 â€“ 16,64 mg/l), As (8,4-13,2 mg/l) dan Zn (2,87-92,69 mg/l), sementara konsentrasi logam berat dalam air Sungai Cikijing hanya berkisar antaraÂ <0,005 â€“ 0,07 mg/l.Â Berdasarkan Penelitian tersebut, direkomendasikan upaya meminimalisir dampak pencemaran dengan upaya pentaatan terhadap regulasi pengelolaan limbah cair dan menerapkan teknik fitoremediasi lahan.

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