The quality of water was seen from the macrozoobenthos community analysis that lives in it. The purpose of this research is to know the relation N-total and C-organic in sediment with macrozoobenthos in Payung Island of Banyuasin Regency. This research uses purposive sampling method. Sampling and macrozoobenthic samples using Ekman grab. The types of macrozoobenthos found to consist of Bivalvia class (Nassarius distortus, Abra Soyae), Gastropoda (Septaria linatea, Epitonium pallasi), Polychaeta (Nereis sp) and Oligochaeta (Lumbriculus sp). The dominant macrozoobenthos composition is Nereis sp. The C-organic content in the waters sediments of Payung Island ranged from 10.52 to 17.92% (moderate to high criteria) and N-total ranged from 0.61 to 1.14% (high and very high criteria), C/N ratio ranged from 10 to 29. This indicates that sediment of Payung Island had undergone balance mineralization process and immobilization. The results of linear regression analysis show that C-organic and N-total have a positive relationship with the abundance of macrozoobenthos Kualitas suatu perairan dapat dilihat dari analisa komunitas makrozoobentos yang hidup di dalamnya. Tujuan penelitian ini adalah mengetahui hubungan antara kandungan N-total dan C-organik sedimen dengan makrozoobentos di Perairan Pulau Payung. Metodologi penelitian meliputi; pengambilan data parameter fisika kimia (suhu, salinitas, pH, dan DO). Pengambilan sampel sedimen dan makrozoobentos menggunakan ekman grab. Hasil dari penelitian ini, Jenis makrozoobentos yang ditemukan terdiri atas kelas Bivalvia (Nassarius distortus, Abra Soyae), Gastropoda (Septaria linatea, Epitonium pallasi), Polychaeta (Nereis sp) dan Oligochaeta (Lumbriculus sp). Komposisi makrozoobentos yang mendominasi yakni Nereis sp. Kandungan C-organik di sedimen perairan Pulau Payung berkisar 10,52-17,92% (kriteria sedang sampai tinggi) untuk N-total berkisar antara 0,61-1,14% (kategori tinggi dan sangat tinggi), sedangkan C/N rasio berkisar antara 10-29. Hal ini menunjukkan sedimen Pulau Payung telah mengalami proses mineralisasi dan imobilisasi seimbang. Hasil analisis regresi linear menunjukkan C-organik dan N-total memiliki hubungan yang positif dengan kelimpahan makrozoobenthos.
Nitrat dan fosfat merupakan nutrien yang dibutuhkan serta memiliki pengaruh terhadap pertumbuhan dan perkembangan hidup organisme di perairan. Apabila kedua unsur ini mengalami jumlah berlebih akan menjadi pencemar yang dapat menurunkan kualitas perairan. Penelitian ini bertujuan untuk mengetahui kandungan nitrat dan fosfat serta mengkaji konsentrasi nitrat dan fosfat pada sedimen berdasarkan klasifikasi kesuburan perairan di Muara Sungai Banyuasin. Penelitian ini telah dilaksanakan pada bulan Oktober - Desember 2018. Hasil penelitian menunjukkan bahwa konsentrasi nitrat pada sedimen di Muara Sungai Banyuasin berkisar antara 0,56 - 4,28 mg/kg dan konsentrasi fosfat berkisar antara 13,80 - 32,19 mg/kg. Berdasarkan kandungan nitrat pada sedimen, Muara Sungai Banyuasin termasuk dalam kategori kurang subur sedangkan berdasarkan kandungan fosfat pada sedimen, Muara Sungai Banyuasin dikategorikan dalam kesuburan yang tinggi.
Logam berat dalam suatu perairan dibutuhkan oleh makhluk hidup untuk berbagai proses metabolisme tetapi jika berlebihan akan menjadi racun. Logam berat Cu (tembaga) merupakan logam esensial sedangkan logam berat Pb (timbal) merupakan logam non esensial. Aktivitas-aktivitas di Teluk Lampung yang berpotensi menurunkan kualitas perairan adalah Pelabuhan Panjang, industri serta banyaknya pemukiman penduduk. Tujuan dari penelitian ini adalah menganalisis kandungan Cu dan Pb pada air dan sedimen serta menganalisis enrichment factor tembaga (Cu) dan timbal (Pb) pada sedimen. Penelitian ini dilakukan pada bulan April – Mei 2016. Metode yang digunakan adalah purposive sampling dengan analisis logam berat menggunakan SSA AA- 7000. Hasil penelitian menunjukan bahwa konsentrasi logam berat Cu (ttd-0,008 mg/l) dalam air masih memenuhi standar baku mutu (< 0,008 mg/l) dan logam berat Pb (ttd-0,23 mg/l) secara umum telah melewati standar baku mutu (<0,008 mg/l). Berdasarkan kriteria baku mutu US-EPA, konsentrasi logam berat Cu dan Pb dalam sedimen masih memenuhi standar (Cu 49,98 mg/kg dan Pb 47,82 mg/kg). Berdasarkan kriteria baku mutu SEPA, secara umum untuk konsentrasi logam berat Cu (1,02 – 38,75 mg/kg) telah melewati baku mutu (15 mg/kg) dan untuk logam berat Pb (15,41- 32,66 mg/kg) masih memenuhi standar baku mutu (25 mg/kg). Nilai enrichment factor Pb dan Cu pada perairan kawasan industri Teluk Lampung sumber berasal dari proses alam (kategori pengayaan minimal – cukup). Kata kunci : baku mutu, enrichment factor, pengkayaan Concentration Of Heavy Metal Cu (Copper) And Pb (Lead) In Water And Sediments In The Industrial Area Of Lampung Bay, Lampung Province Heavy metals in the waters needed by the organism in every metabolic processes, but if excessive it could be toxic. Cu is an essential metal while Pb is non-essential metal. Panjang Port, industries, and urbanization are some activities in Lampung Bay that potentially degraded the quality of the waters. The purpose of this research were to analyze the concentration of Cu and Pb in the waters and sediments and to determine the enrichment factors of Cu and Pb in the sediments.This research was conducted at April-May 2016. The method of this research was purposive sampling and heavy metals analyzed by using AAS AA-7000. The results showed that concentration of Cu (no detected-0,008 mg/l) in the waters was below the quality standard (< 0,008 mg/l) while Pb (no detected-0,23 mg/l) in the waters generally exceed the quality standard (<0,008 mg/l). Based on US-EPA quality standard, the concentration of Cu and Pb in sediments were below the quality standard (Cu 49,98 mg/kg and Pb 47,82 mg/kg) while based in a quality standard using SEPA, the concentration of Cu (1,02 – 38,75 mg/kg) in sediments generally were exceed (15 mg/kg) and Pb (15,41- 32,66 mg/kg) in sediments generally still below the quality standard (25 mg/kg). Based on the value of enrichment factor for Cu and Pb at industrial area in Lampung Bay, the source of heavy metals were enriched by natural process (category of minimal to significant of enrichment). Keywords : quality standard, enrichment factor, enrichment
Iklima AS et al, 2019. Analysis of N-Nitrogen (Ammonia, Nitrate, and Nitric) and Phosphate at Teluk Pandan’s water territorial, Lampung Province. JLSO 8(1):57-66.Teluk Pandan’s water territorial was known to aquaculture activity such as prawn, pearl oyster and cage culture by community that lived in the area. It activities could makes water quality to be polluted.This research was purposed to known the content of nutrient (Ammonia, Nitrate, Nitric, and Phosphate) and to studied nutrient that related to other’s water quality parametric at Teluk Pandan water territorial. Sampling was determinate by 15station using purposive sampling method. Data analysis was used to studied relation between water quality’s parametric using Principal Component Analysis (PCA). Water sampling was taken at surface using water sampler. It was analyze in Oceanography and Instrumentation Laboratory, Department of Marine Science, Universitas Sriwijaya. Result of this research showing that rate of content nutrient at Teluk Pandan’s water territory ranging from 0.0007-0.0087 mg/L NO3-N, nitric ranging from 0.0001-0.0062 mg/L NO2-N, and phosphate ranging form 0,0012 – 0,0091 mg/L PO4-P. Based on result Teluk Pandan’s water territory still can be used for water’s ecosystem. Result using PCA method showing that correlation between parametric are directly proportional and inversely. Correlation that directly proportional showing by parametric group quadrant I (Temperature, Salinity, Velocity, and Abundance of Phytoplankton), quadrant II (DO, pH and nitrate) and quadrant III (Ammonia, nitric and phosphate). Inversely showing by parametric group quadrant I to parametric group quadrant III.
The anaerobic ammonium oxidation (anammox) as a new biological approach for nitrogen removal has been considered to be more cost-effective compared with the combination of nitrification and denitrification process. However, the anammox bioreactors are mostly explored at high temperature (>30 0 C) in which temperature controlling system is fully required. This research was intended to develop and to apply anammox process for high nitrogen concentration removal at ambient temperature used for treating wastewater in tropical countries. An up-flow biofilm column reactor, which the upper part constructed with a porous polyester non-woven fabric material as a carrier to attach the anammox bacteria was operated without heating system. A maximum nitrogen removal rate (NRR) of 1.05 kg-N m 3 d -1 was reached in the operation days of 178 with a Total Nitrogen (TN) removal efficiency of 74%. This showed the biofilm column anammox reactor was successfully applied to moderate high nitrogen removal from synthetic wastewater at moderately low temperature. Abstrak (Indonesian)Anaerobic ammonium oxidation (anammox) sebagai salah satu pendekatan baru secara biologi untuk menghilangkan nitrogen dianggap lebih murah biayanya dibandingkan dengan kombinasi proses nitrifikasi dan denitrifikasi. Namun, bioreaktor anammox kebanyakan dieksplorasi pada suhu tinggi (> 30 0 C) dimana diperlukan sistem pengendalian suhu. Penelitian ini bertujuan untuk mengembangkan dan menerapkan proses anammox untuk menghilangkan nitrogen dengan konsentrasi tinggi pada suhu lingkungan yang digunakan untuk pengolahan air limbah di negara tropis. Dalam penelitian ini, dipakai sebuah Reaktor kolom biofilm up-flow, dimana pada bagian atas kolom ditempatkan bahan poliester non-woven berpori sebagai pembawa untuk menempelkan bakteri anammox, telah dioperasikan tanpa sistem pemanas. Laju penghilangan nitrogen maksimum (NRR) sebesar 1,05 kg-N m 3 d -1 telah dicapai pada hari operasi ke 178 dengan efisiensi total penghilangan nitrogen (TN) sebesar 74%. Hal ini menunjukkan bahwa reaktor kolom biofilm anammox telah berhasil diterapkan untuk menghilangkan nitrogen dengan konsentrasi cukup tinggi dari air limbah sintetis pada suhu yang cukup rendah.Article http://ijfac.unsri.ac.id
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