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Edhi Sarwono
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PENGARUH RASIO C/N BAHAN BAKU PADA PEMBUATAN KOMPOS DARI KUBIS DAN KULIT PISANG Budi Nining Widarti; Wardah Kusuma Wardhini; Edhi Sarwono
JURNAL INTEGRASI PROSES VOLUME 5 NOMOR 2 Juni 2015
Publisher : JURNAL INTEGRASI PROSES

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (712.235 KB) | DOI: 10.36055/jip.v5i2.200

Abstract

Kubis dan kulit pisang dari pasar dibuang ke tempat pemrosesan akhir sampah tanpa adanya pemanfaatan. Sampah kubis dan kulit pisang dimanfaatkan sebagai bahan baku pembuatan kompos. Penelitian ini bertujuan untuk mengetahui pengaruh variasi rasio C/N bahan baku terhadap kompos. Pengomposan ini menggunakan 3 variasi rasio C/N campuran bahan. Bahan yang digunakan adalah kubis, kulit pisang, dan kotoran sapi, total berat bahan setiap komposter adalah 4 kg, dengan variasi rasio C/N pada komposter 1, 2 dan 3 berturut-turut yaitu 22, 26 dan 18. Hasil penelitian diperoleh perubahan rasio C/N komposter 1, 2 dan 3 berturut-turut yaitu dari 22 menjadi 11,46, 26 menjadi 12,16 dan 18 menjadi 10,49. Nilai Nitrogen (N) kompos matang komposter 1, 2 dan 3 berturut-turut yaitu 2,71%, 2,63% dan 2,94%. Nilai Phosfor (P) kompos matang komposter 1, 2 dan 3 berturut-turut yaitu 1,96%, 2,13%; dan 1,82%. Nilai Kalium (K) kompos matang komposter 1, 2 dan 3 berturut-turut yaitu 7,36%, 7,57%; dan 6,59%. Kadar air komposter 1, 2 dan 3 berturut-turut yaitu 20,27, 20,97% dan 18,33%. Variasi rasio C/N bahan baku yang digunakan tidak menunjukkan pengaruh karena 3 variasi rasio C/N bahan yang digunakan masih mendekati range 20-30.
PENGGUNAAN TONGKOL JAGUNG AKAN MENINGKATKAN NILAI KALOR PADA BRIKET Budi Nining Widarti; Purnamasari Sihotang; Edhi Sarwono
JURNAL INTEGRASI PROSES VOLUME 6 NOMOR 1 JUNI 2016
Publisher : JURNAL INTEGRASI PROSES

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (702.562 KB) | DOI: 10.36055/jip.v6i2.650

Abstract

Pemanfaatan limbah tongkol jagung dan sekam padi dapat dilakukan dengan membuat briket, namun belum diketahui seberapa banyak tongkol jagung dan sekam padi yang harus ditambahkan agar diperoleh nilai kalor yang optimum pada briket, maka perlu dilakukan penelitian dengan tujuan penelitian untuk mengetahui karakteristik briket arang dari tongkol jagung dan sekam padi, mengetahui komposisi yang optimum dalam pembuatan briket arang dari pemanfaatan tongkol jagung dan sekam padi. Penelitian ini menggunakan tongkol jagung dan sekam padi dengan berbagai komposisi Pembuatan briket dari campuran tongkol jagung dan sekam padi dengan perekat tepung tapioca dilakukan karbonisasi. Arang yang diperoleh dari proses pengarangan dibuat serbuk arang. Pencampuran bahan dengan perekat dan dimasukkan kedalam cetakan dan dilakukan pengepresan. Selanjutnya dilakukan pengujian sampel briket berupa kadar karon terikat dan nilai kalor, data yang diperoleh disajiakan dalam bentuk tabel. Hasil menunjukkan bahwa tongkol jagung dan sekam padi dapat dimanfaatkan sebagai briket. Penggunaan tongkol jagung akan menghasilkan nilai kalor yang tinggi namun penambahan sekam padi akan menyebabkan nilai kalor semakin menurun. Komposisi yang paling optimum pada komposisi tongkol jagung dan sekam padi 75% : 25% diperoleh kadar karbon terikat sebesar 41,49% dan nilai kalor sebesar 5.636,3 cal/gram.
DEGRADASI COD LIMBAH CAIR DARI PABRIK KELAPA SAWIT DALAM PROSES PEMBENTUKAN BIOGAS Budi Nining Widarti; Septian Hadi Susetyo; Edhi Sarwono
JURNAL INTEGRASI PROSES VOLUME 5 NOMOR 3 DESEMBER 2015
Publisher : JURNAL INTEGRASI PROSES

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (672.811 KB) | DOI: 10.36055/jip.v5i3.261

Abstract

Limbah cair pabrik kelapa sawit mempunyai nilai COD yang tinggi. Penurunan COD yang tinggi dapat dilakukan dengan melakukan pengolahan secara anaerob yang akan dihasilkan biogas. Tujuan penelitian ini adalah untuk mengetahui seberapa besar degradasi COD dari limbah cair pabrik kelapa sawit dalam proses anaerob untuk menghasilkan metana. Penelitian ini dilakukan dengan digester 19 liter. limbah sebelum dimasukkan kedalam digester terlebih dahulu dilakukan pembenihan kemudian dimasukkan limbah cair kelapa sawit sebanyak 14 liter kedalam digester dan dilakukan analisis nilai COD, pH dan volume gas yang dihasilkan digester pada waktu 0, 6, 12, 18 dan 24 hari. Hasil penelitian menunjukkan penurunan COD pada hari ke 6, 12, 18 dan 24 berturut-turut sebesar 5090; 4099; 8015; 762 dan 1086mg/L yang diikuti dengan peningkatan akumulasi volume biogas sebesar 0.004, 0.009, 0.011 dan 0.012L, proses anaerob berlangsung selama 24 hari dengan nilai pH 4 – 6 sehingga disimpulkan bahwa nilai pH 6 pada digester mampu menghasilkan metana.
PENURUNAN KADAR TSS, BOD5 DAN TOTAL COLIFORM MENGGUNAKAN HORIZONTAL ROUGHING FILTER Edhi Sarwono; Musfik Harits; Budi Nining Widarti
Jurnal Teknologi Lingkungan UNMUL Vol 1, No 1 (2017): Jurnal Teknologi Lingkungan UNMUL
Publisher : Mulawarman University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jtlunmul.v1i1.1567

Abstract

AbstractWater is the primary needs for any activities. Aside from fulfill the daily needs as cooking, washing, bath and sanitation, the water require to fulfill the economic activities and social as, industry, hospital, hotel, commerce, office and school. The water source can come from surface water (river, lake and reservoir) and ground water. Water that came from river, lake and reservoir, need to be treated first before it can be distributed and consumed due to potential for contaminated water. Therefore, this study has been conducted the surface water treatment using roughing filter. The study has done by using three media variations. First reactor were using gravel media with each size are 2 – 4 mm, 4 – 8 mm, and 8 – 12 mm. second reactor were using brick media with each size are 2 – 4 mm, 4 – 8 mm, and 8 – 12 mm. Third reactor were using ½ inch PVC pipe media with each size are 2 – 4 mm, 4 – 8 mm, and 8 – 12 mm. The parameters tested in this study were TSS, BOD5, and total coliform. The result of laboratory tests at the time before and after treatment on Karang Mumus river, it obtained an average removal efficiency from the three media in each roughing filter unit. The highest removal efficiency for TSS parameters were contained pipe PVC ½ inch media with average removal efficiency at 93, 32 %. The highest removal efficiency for BOD5 parameters were contained gravel media with average removal efficiency at 47,86 %. The highest removal efficiency for total coliform parameters were contained pipe PVC ½ inch media with average removal efficiency at 73,47%. Keyword: Horizontal Roughing Filter, TSS, BOD5, Total Coliform, Karang Mumus River
PEMANFAATAN SERABUT KELAPA (COCO FIBER) DAN LEM KANJI (CASSAVA STARCH) MENJADI PAPAN SERAT KOMPOSIT SEBAGAI MATERIAL PENGENDALI KEBISINGAN Waryati Waryati; Lucky Tiara Fritami; edhi Sarwono
Jurnal Teknologi Lingkungan UNMUL Vol 1, No 1 (2017): Jurnal Teknologi Lingkungan UNMUL
Publisher : Mulawarman University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jtlunmul.v1i1.1568

Abstract

The productivity of palm plantations in Indonesia has increased so that the potential of coco such great not fully utilized, while demand for building materials noise control increases with population growth. Utilization of coconut and cassava starch into fiberboard composite is an alternative to overcome this problem. The purpose of this study is to determine variations in the optimum fiberboard composite as an absorbent material noisy as well as to determine the seven parameters (density, water content, water absorption, thickness swelling, MOE and MOR) based SNI 01-4449 - 2006 and classification of sound absorption coefficient ISO 11 654. In this research, done with laboratory scale. Sample composite board printed with the print size of 30 x 30 x 1.2 cm with a variety of coconut fiber : cassava starch (70%: 30%, 60%: 40%, 50%: 50%)The result of mechanical and physical property test of the composite board shows that the best variation is noticeable in treatment II (coco fiber ratio: 60%; cassava starch: 40%) with value of air-dry density and oven-dry density at 0,50 g/cm3, amount of water at 16,58%, permeability at 125,79%, thickness swelling at 28,28%, MOE at 1283,23 kg/cm2 and MOR at 63,82 kg/cm2. In general, the test result of the three compositions accords the SNI standard 01 – 4449 – 2006 only in terms of their density and bending strength (MOR) value. The optimum composition variation of soundproof materials is found in treatment I (coco fiber ratio: 70%; cassava starch: 30%) with maximum sound absorption coefficient of 0,49, which is categorized into Class D. Overall, the composite board has fulfilled the criteria of soundproof materials enumerated in ISO 11654. Keywords: Sound absorption coefficient, composite fiber boards, coconut fibers, mechanical properties.
PENGARUH VARIASI CAMPURAN ECENG GONDOK (EICHHORNIA CRASSIPES) DAN ISI RUMEN SAPI TERHADAP PRODUKSI BIOGAS Edhi Sarwono; Febri Subekti; Budi Nining Widarti
Jurnal Teknologi Lingkungan UNMUL Vol 2, No 1 (2018): Jurnal Teknologi Lingkungan UNMUL
Publisher : Mulawarman University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jtlunmul.v2i1.1574

Abstract

Abstract Eceng gondok adalah tumbuhan air mengapung, perkembangbiakannya yang sangat pesat pada badan air menyebabkan keberadaannya dianggap sebagai gulma perairan. Selain eceng gondok, isi rumen juga merupakan limbah rumah potong hewan yang belum dimanfaatkan secara optimal. Dalam limbah isi rumen terdapat bakteri metanogenik yang berperan dalam pembentukan biogas. Biogas merupakan gas yang terbentuk dari perombakan bahan organik dalam keadaan anaerob, penelitian ini menggunakan bahan campuran eceng gondok dan isi rumen sapi dengan variasi perbandingan berat masing-masing dengan perlakuan 100% eceng gondok : 0% isi rumen sapi, 50% eceng gondok : 50% isi rumen sapi, dan 75% eceng gondok : 25% isi rumen sapi selama 62 hari penelitian. Produksi gas tertinggi terdapat pada campuran 75% eceng gondok dan 25% isi rumen sapi dengan total Produksi sebesar 10.525,28 mL, dengan penyisihan VS tertinggi sebesar 14,14%, pH akhir terendah pada 100% eceng gondok : 0% isi rumen sapi sebesar 5,1. Rasio C/N akhir sludge tertinggi pada 100% eceng gondok : 0% isi rumen sapi sebesar 22,4 dan terendah pada perlakuan 50% eceng gondok : 50% isi rumen sapi sebesar 16,3. Suhu tiap biodigester pada rentan suhu bakteri mesophilic yakni pada suhu 29-34°C. Warna nyala api ketiga biodigester rata – rata berwarna biru kemerahan. Kata Kunci : Biogas, Eceng, Gondok, Rumen, Biodigester
PENGARUH VARIASI KOMPOSISI BATANG, PELEPAH, DAN DAUN TANAMAN KELAPA SAWIT TERHADAP KUALITAS BRIKET BIOARANG Edhi Sarwono; Muhammad Bayu Adinegoro; Budi Nining Widarti
Jurnal Teknologi Lingkungan UNMUL Vol 2, No 1 (2018): Jurnal Teknologi Lingkungan UNMUL
Publisher : Mulawarman University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jtlunmul.v2i1.1575

Abstract

Abstract Search and development alternative energy sourced form nature should be done. Alternatif energy can be created through biomassa has sustained high value especially oil palm. East Borneo is one of foreign exchange contributor with oil palm plantation. BPS Kaltim recorded in 2013 oil palm production reach 6.902.602 ton form plant area 944.826 ha. Oil Palm plants elderly (aged above 20-25 years) has high trunk size. This matter reduce efficiency in the harvest oil palm so that oil palm cut down then replanting oil palm plants. Trunk, midrib. and leaf for waste oil palm plantation replanting, it has not been used optimally. This research purpose for utilize trunk, midrib and leaf oil palm as raw material production briquette bioarang as alternative fuel. This research use with 6 variation material that is, variation 1 (50% trunk : 10% midrib : 40% leaf), variation 2 (50% trunk : 20% midrib : 30% leaf), variation 3 (50% trunk : 30% midrib : 20% leaf), variation 4 (100% trunk : 0% midrib : 0% leaf), variation 5 (0% trunk : 100% midrib : 0% leaf), dan variation 6 (0% trunk : 0% midrib : 100% leaf). Material be prepared then Carbonizaion (pyrolisis) process to produce rendmenen and tar. Rendemen mashed, mixed with adhesive tapioka, and formed become briquette bioarang. Test analysis moisture, ash, volatile matter, fixed carbon dan calorific value for knowing briquette bioarang quality. Result for the analysis is optimum composition briquette bioarang  in variation 5 (0% trunk : 100% midrib : 0% leaf) with average value moisture 0,1958%, ash 13,0542%, volatile matter 49,3947%, fixed carbon 37,3553%, and calorific value 5419,53 cal/gr. Rendemen trunk 26,67%, midrib 58,33%, and leaf 50%. Tar variation 1 (50% B : 10% P : 40% D) 100 ml, variation 2 (50% B : 20% P : 30% D) 150 ml, dan variation 3 (50% B : 30% P : 20% D) 210 ml.  Keyword: Fuel, Oil Palm, Briquette Bioarang.
PERENCANAAN PENGELOLAAN SAMPAH DI KELURAHAN MUARA JAWA ULU DAN MUARA JAWA PESISIR KABUPATEN KUTAI KARTANEGARA Edhi Sarwono; Yudhistiro Indro Saputro; Budi Nining Widarti
Jurnal Teknologi Lingkungan UNMUL Vol 1, No 2 (2017): Jurnal Teknologi Lingkungan UNMUL
Publisher : Mulawarman University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jtlunmul.v1i2.1565

Abstract

AbstractDuring this timemost peoplestillconsider waste asthe restuseless. In an effort to raise the awareness in handling environmental issues, particularly waste and to create a quality residential clean and friendly environment tthen it must be a paradigm shift waste management by reducing the volume of waste from the source. In this study,the first stage is to identify the problem of garbage contained in the study area, the second secondary data and primary data. And the last one is to determine the right way to waste management in the study area. The final results of this study concluded that waste generation in the village of Muara Jawa and Muara Java UluCoastal namely high levels of economic heft 245,625 kg and the volume of waste 185,8 liters, the economy is having severe level waste 291,95 and the volume of garbage 179,7 liters, having a low economic level waste weight 432,925 and the volume of garbage 158,5 liters. And in the village of Muara Jawa Ulu and Muara Jawa Pesisir be created with an area of  600meter2 dump site. Key words: trash, source waste, integrated waste managament location
PENGARUH KECEPATAN ALIR PADA REAKTOR BIOSAND FILTER DALAM INSTALASI PENGOLAHAN AIR BERSIH PADA AIR SUNGAI KARANG MUMUS Edhi Sarwono; Arzano Rohmahendi; yunianto Setiawan
Jurnal Teknologi Lingkungan UNMUL Vol 1, No 1 (2017): Jurnal Teknologi Lingkungan UNMUL
Publisher : Mulawarman University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jtlunmul.v1i1.1566

Abstract

AbstractThe research about clean water treatment of Karang Mumus river has been done using coagulation reactor, sedimentation flocculation, and biosand filter, so that the water would not causing desease to the citizen around Karang Mumus river who used the water for daily purpose. This research is performed with four treatment variations, those are the flow rate in biosand filter reactor with the variation 0,1 m/hour, 0,2 m/hour, 0,3 m/hour, and 0,4 m/hour. The difference of flow rate in biosand filter reactor will affect the diferrence of contact time in biosand filter reactor. The parameters that is tested in this research are turbidity, organic substance (KMnO­4), and total coliform. The result of the laboratory test  before and after treatment shows that the highest efficiency on turbidity reduction among each flow rate variations in biosand filter reactor is 0,4 m/hour with the percentage of reduction is 99,45% . The highest efficiency on organic substance (KMnO4) among each flow rate variations is 0,3 m/hour with the percentage of reduction is 33,67%. The highest efficiency on total coliform reduction among each flow rate variations is 0,1 m/hour with the percentage of reduction is 99,21%. Keyword: Biosand Filter, Sedimentation, Flocculation, Koagulation, Karang Mumus River
PENURUNAN PARAMETER KEKERUHAN, TSS DAN TDS DENGAN VARIASI UNIT FLOKULASI Edhi Sarwono; Khairunnisa Rizky Aprillia; yunianto Setiawan
Jurnal Teknologi Lingkungan UNMUL Vol 1, No 2 (2017): Jurnal Teknologi Lingkungan UNMUL
Publisher : Mulawarman University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jtlunmul.v1i2.1562

Abstract

AbstractA research on water treatment at Mahakam River water using the gravel bed flocculator (medium grained), the variation of theflocculation units gravel bed using granular media are used in the form of pieces of PVC pipe 1 "by 2cm, while flocculation with baffles chanel uses glass barriers on flokulasinya unit. Pieces of PVC pipe is functioned as the space between the grains of the media used as column streams that meander which is expected to be a medium for colloids that have terdestabilisasi of coagulation process will be in contact with the joining form a floc with a larger size and can be deposited, while the variation unit flocculation receipts baffle channel, where the unit of flocculation, there are the glass partition in the unit, the bulkhead is intended as a slow stirring in units flocculation to produce water movement that encourages contact between the particles without causing a rupture of a combination of particles that have been formed. The parameters examined, ie, turbidity, TSS and TDS. Retrieved onturbidity removal efficiency of gravelbed 54.34% and of amounted to 80.41%baffles,for TSS removal efficiency with gravelbed 39.82% and baffles 59.33%, and for the efficiency of TDS decrease by gravelbed 14.28% with baffles by 106 , 25%.  Keyword: Gravelbed, BaffleChanel, coagulation, flocculation, sedimentation
Co-Authors Arzano Rohmahendi Budi Nining Widarti Febri Subekti Khairunnisa Rizky Aprillia Lucky Tiara Fritami Muhammad Bayu Adinegoro Musfik Harits Purnamasari Sihotang septian hadi Susetyo Wardah Kusuma Wardhini Waryati Waryati Yudhistiro Indro Saputro Yunianto Setiawan