Sri Wahyono
Sekretariat Unit Penelitian dan Pengabdian kepada Masyarakat (UP2M) Politeknik Negeri Jakarta Gedung Direktorat Lt.2, Telp.(021) 7270036 Psw. 236 Fax (021)7270034 Kampus Baru Universitas Indonesia Depok, DEPOK 16425 Email: politeknologi_pnj@yahoo.co

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Journal : JURNAL TEKNOLOGI LINGKUNGAN

ANALISIS DAMPAK PENGGEMBALAAN SAPI DI TPA (Studi Kasus di TPA Piyungan – Yogjakarta Wahyono, Sri
Jurnal Teknologi Lingkungan Vol. 11 No. 2 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (269.41 KB) | DOI: 10.29122/jtl.v11i2.1214

Abstract

The end of municipal solid waste operations is landfill. Almost all of the Indonesia city’s landfills use the open dumping system. Generally, wastes dumped in the landfill are dominated by organic materials that potentially used for cow feeding. So that, in some landfills there are cow pasturing with the low cost operation related to the free feeding materials. According to UU No 18/2008, in the year of 2013 open dumping landfill is prohibited operate changed by sanitary landfill. Related to this change, the cow pasturingin landfill will be affected. So that the cow pasturing in landfill need to be assessed in the aspect of waste reduction, economic values, landfill operation, social conflict, and safety cow meat. The goals of this study are assessing positive and negative impacts from cow pasturing in the Piyungan Landfill, Yogjakarta. Research methods used are references study, interview, counting the cow and direct investigation of landfill operation. This study concluded that cow pasturing in landfill has positive impacts for waste reductionand increasing economic level of people live in surrounds of landfill. Unfortunately, the cow pasturing has also negative impact such as disturbing daily landfill operation, high potent social conflict during landfill rehabilitation, and high content of some heavy metals in the cow organ. Based on those impacts, the policy of the cow pasturing has to be reviewed because of the importance of sanitary landfill operation in the near future andthe issue of safely consuming meat free from heavy metals.Key Words: landfill, waste, cow pasturing
UJI KEMAMPUAN BAKTERI TERMOFIL KOMPOS DALAM MENGURAIKAN POLY(3-HYDROXYBUTYRATE) DAN KOPOLIMERNYA DENGAN MENGGUNAKAN METODE POLYMER OVERLAY Wahyono, Sri
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 (250.846 KB) | DOI: 10.29122/jtl.v5i3.313

Abstract

The primary aim of this project were to isolate the termophilic bateria from compost and to test their capability in degrading of Poly(3-hydroxybutyrate) and its copolymer (P(HB-co-5%HV), P(HB-co-8%HV), P(HB-co-12%HV)) using of polymer overlay methode. Testing of their capability was done in pH 8,0 and temperature of 55oC and 60oC. Fifteen isolates of thermophilic bacteria have been isolated and can be classified into 4 groups based on the profile of their growth rate, clear zone formation, and capability of PHB degradation. In the incubation of 55oC, degradation rate of Poly(3-hydroxybutyrate) was generally slower than their copolymer.
IDENTIFIKASI POPULASI GASTROPODA AIR TAWAR DI WADUK SAGULING DAN SEKITARNYA Wahyono, Sri
Jurnal Teknologi Lingkungan Vol. 6 No. 1 (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 (315.628 KB) | DOI: 10.29122/jtl.v6i1.327

Abstract

This research has been carried out in Saguling, Jawa Barat. The aims of theresearch were to study the population of fresh water gastrophod and itsecological aspects. The research was done at three habitats which were thedam, paddy fields and ponds in three location : South Inlet, East Inlet and West Outlet of Saguling dam. It has been found 6 species of gastrophod which were Pomacea caniculata, Bellamya javanica, Lymnaea rubiginosa,Indoplanorbis exustus, Gyraulus convexiuscslus and Melanoides tuberculata. In all the habitats the density of species of Pomacea caniculata,Bellamya javanica and Lymnaea rubiginosa were relatively higher than others. While the highest dominantion index of gastrophod were at habitat of paddy fields in all locations and at habitat of ponds in East Inlet and West Outlet locations. Pomacea caniculata, Bellamya javanica and Lymnaea rubiginosa were dominant at habitat of pady fields and ponds. Furthermore, the highest gastrophod diversity index was at habitat of dam in South Inlet and West Outlet locations. All the gastrophod species were found in a group. On the other hand, there was a tendention that each habitat had a different gastrophod species.
DINAMIKA PERUBAHAN TEMPERATUR DAN REDUKSI VOLUME LIMBAH DALAM PROSES PENGOMPOSAN (STUDI KASUS PENGOMPOSAN DI RPH CAKUNG – JAKARTA TIMUR) Wahyono, Sri
Jurnal Teknologi Lingkungan Vol. 9 No. 3 (2008): 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 (57.284 KB) | DOI: 10.29122/jtl.v9i3.469

Abstract

The goal of this research is to study the dynamics changing of temperature, weight and volume of wastes during composting process in Cakung Slaughterhouse. The composting process was done using windrow system for 65 days. Windrow was turned mechanically using compost turning machine once a week. Composition of input wastes was calculated based on its volume and specific weight. Regularly, windrows were measured of their volume, weight and temperature. The composting shows that weight and volume reduction was exponentially done in the two of the first weeks. The temperature also exponentially increased in that time. Those indicated that the increasing of metabolisms and development of microbiology during composting process. Weight and volume reduction reached about 80 percent, and their temperature reached above 55oC during first weeks. The dynamics changing of the temperature and volume/weight reduction was the key parameter for evaluating composting process.
PENGOLAHAN SAMPAH ORGANIK DAN ASPEK SANITASI Wahyono, Sri
Jurnal Teknologi Lingkungan Vol. 2 No. 2 (2001): 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 (218.711 KB) | DOI: 10.29122/jtl.v2i2.204

Abstract

Organic waste is one of major problems that potentially degrade environmentalquality and public health so that it have to be treated proposionally. In therecent time, there are organic treatment technologies such as composting,incinerating, landfilling, etc. In this article, the author talks about organic wastetreatment and sanitation aspect of wastes.
PENERAPAN TEKNOLOGI TINGGI UNTUK PENGELOLAAN LIMBAH PADAT DI SINGAPURA Wahyono, Sri
Jurnal Teknologi Lingkungan Vol. 5 No. 1 (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 (127.274 KB) | DOI: 10.29122/jtl.v5i1.300

Abstract

The application of high technology (hitech) for solid waste management andtreatment in Singapore is one of examples of solving the municipal solid waste problem. Singapore with more than 4 million inhabitants produced 7676 ton wastes per day in 2001. Now, all the combustible solid wastes goes to the incinerator plant that can convert the heat into electricity. The ash from incinerator and the incombustible solid wastes are transported via waste harbour in Tuas to the Semakau off shore landfill. Also, before incinerating in the plant, the activities of collecting and transporting of munocipal solid wastes are suported by such kind of new technologies for example pneumatic refuse transport system. The typical of the high tecnology is need high cost for building, operating and maintaining and should be operated by high skill staff. Singapore has all the need and also has a strong political will in combating the solid waste problems. So that, Singapore is one of the cleanest metropolitan cities in the world.
Purifikasi Gas Metana (CH4) dari TPA Sampah Menggunakan Metode Water Scrubber Sahwan, Firman Laili; Wahyono, Sri; Suryanto, Feddy; Hanif, Muhammad
Jurnal Teknologi Lingkungan Vol. 20 No. 2 (2019)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (355.394 KB) | DOI: 10.29122/jtl.v20i2.3260

Abstract

ABSTRACTHigh population growth rate has stimulated the increase of energy consumption. Therefore, the use of renewable energy sources such as methane gas from landfill has also been encouraged. It is necessary that landfill methane gas is purified to increase its concentration. Common method to purify methane gas is water scrubber method. The aim of this research was to evaluate the effectiveness of landfill methane gas purification using a spray water scrubber (water scrubber method), a water column scrubber (bubbling methods) and the combination of both methods to increase the content of landfill methane. The experiment was conducted in the dry season and rainy season. Results of the study concluded that water scrubber was the most effective method for increasing methane gas concentration. The average increase of methane gas in the dry season were 33.32% (water scrubber) and 23.79% (combination of bubbling and water scrubber), and in the rainy season 8.89% (water bubbling) and 2.75% (combination of water scrubber and water bubbling). The increase in methane gas was due to a decrease in CO2 gas. In addition, there was an increase of H2O content in biogas from landfill after the purification process.Keywords: Landfill, methane gas, purification, water scrubberABSTRAKTingginya laju pertumbuhan penduduk telah memacu konsumsi energi yang terus meningkat. Oleh karena itu diperlukan upaya pemanfaatan sumber energi terbarukan, yang salah satunya adalah gas metana yang berasal dari TPA sampah. Keinginan untuk meningkatkan kandungan gas metana TPA diperlukan upaya purifikasi, menggunakan metode water scrubber. Penelitian ini dilakukan dengan tujuan mengetahui efektivitas purifikasi gas metana TPA dengan menggunakan metode pengaliran gas dalam percikan air (water scrubber) dan metode pengaliran gas dalam air atau water bubbling (serta kombinasi keduanya) untuk meningkatkan kandungan gas metana TPA, yang dilakukan pada musim kemarau dan musim penghujan. Hasil penelitian menyimpulkan bahwa water scrubber merupakan metoda yang paling efektif untuk meningkatkan kandungan gas metana. Rata-rata peningkatan gas metana pada musim kemarau dan musim penghujan, berturut-turut sebesar 33,32% (water scrubber), 23,79 (kombinasi water bubbling dan water scrubber), 8,89% (water bubbling) dan 2,75% (kombinasi water scrubber dan water bubbling). Peningkatan gas metana tersebut terjadi karena adanya penurunan gas CO2. Selain itu, terjadi peningkatan kandungan H2O pada biogas dari TPA setelah proses purifikasi.Kata kunci: TPA, gas metana, purifikasi, water scrubber.
PENGELOLAAN SAMPAH BERBASIS MASYARAKAT DI RAWASARI, KELURAHAN CEMPAKA PUTIH TIMUR, JAKARTA PUSAT Wahyono, Sri; L. Sahwan, Firman; Suryanto, Feddy
Jurnal Teknologi Lingkungan Vol. 13 No. 1 (2012)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (639.798 KB) | DOI: 10.29122/jtl.v13i1.1407

Abstract

Pengelolaan sampah berbasis masyarakat (PSBM) adalah sistem penanganan sampah yang direncanakan, disusun, dioperasikan, dikelola dan dimiliki oleh masyarakat. Peran PSBM sangat penting dalam ikut membantu mengurangi permasalahan sampah kota, sehingga konsep tersebut banyak dilakukan di berbagai tempat, termasuk di Rawasari. Penelitian ini dilakukan untuk mengetahui perkembangan kegiatan PSBM di Rawasari, yang secara khusus bertujuan: (i) monitoring dan evaluasi, (ii) pembinaan dan pendampingan, (iii) sosialisasi dan publikasi. Hasil penelitian menunjukkan bahwa kegiatan PSBM di Rawasari berjalan dengan baik, berkat adanya pembinaan yang baik dan berkesinambungan. Hal ini tergambar dari peningkatan jumlah keluarga yang berpartisipasi dalam kegiatan pengomposan dan daur ulang sampah anorganik. Hasil tersebut juga tidak terlepas dari peran kader lingkungan yang ada serta kerjasama yang baik antar stakeholders, baik yang berasal dari pemerintah setempat, instansi kebersihan, lembaga penelitian, LSM, lembaga asing, dan warga setempat. Adanya kegiatan sosialisasi keberhasilan PSBM di RW 01 dan RW 02 melalui kegiatan pencanangan gerakan PSBM oleh Gubernur DKI Jakarta, ikut mendorong keberhasilan PSBM di Rawasari. Pemerintah DKI Jakarta menyadari bahwa peran serta masyarakat, sangat efektif dalam menekan jumlah timbulan sampah. Untuk itu, kegiatan PSBM telah dijadikan sebagai salah satu program utama pengelolaan sampah. kata kunci: pengelolaan sampah, kader lingkungan, daur ulang, pengomposanAbstractCommunity-based solid waste management (CBSWM) is the solid waste management that are planned, developed, operated, managed and owned by the local community. CBSWM is very important role to reduce the problem of municipal solid waste. This concept is widely applied in various places, including in Rawasari, Central Jakarta. The study was conducted to determine the progress of the CBSWM in Rawasari, which specifically aims to: (i) monitoring and evaluation, (ii) coaching and mentoring, (iii) socializing and publication. The results showed that the activity of CBSWM in Rawasari is going well. This is illustrated by the increasing number of families who participate in composting and recycling of anorganic waste. These good results are affected by the roles of environmental cadres as well as good cooperation between stakeholders, such as local governments, research institutions, NGOs, international agencies, and local residents. The Jakarta administration realizes that the roles of the community are very effective in reducing the amount of waste generation. So that, activities of CBSWM becomes one of the major program in waste management..kay words: Community-based solid waste management,  environmental cadres, recycling, composting
PENGELOLAAN SAMPAH KERTAS DI INDONESIA Wahyono, Sri
Jurnal Teknologi Lingkungan Vol. 2 No. 3 (2001): 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 (228.945 KB) | DOI: 10.29122/jtl.v2i3.223

Abstract

Paper waste is one type of municipal solid wastes that is not properly manage yet. It contributes about ten percent of MSW. Indonesia paper waste generation is about 1.6 million ton per year which 70 percent of them was recovered byscavengers and sold to the recycling paper industries. To optimize the paperwaste management, it is needed cooperation between community, private sectors and government in the MSW management. In this article, the author talks about paper waste generation and its potency, prospect and route of its market, and strategy of paper waste management.
EVALUASI PROSES PRODUKSI PUPUK ORGANIK GRANUL (POG) YANG DIPERKAYA DENGAN MIKROBA FUNGSIONAL Sahwan, Firman Laili; Wahyono, Sri; Suryanto, Feddy
Jurnal Teknologi Lingkungan Vol. 12 No. 1 (2011)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (436.211 KB) | DOI: 10.29122/jtl.v12i1.1257

Abstract

Organic Fertilizer in the form of Granule Organic Fertilizer (POG), which is enrichedwith functional microbes, has been produced in great quantities nowdays, because it isexpected to improve the physical, chemical, and biological properties of soil at once. Thecondition of land degradation that has become a big concern, in spite of the low organicmatter in the lands, more encourage the increasing of POG production to be applied verysoon into agricultural lands in Indonesia. However, how is the conditions of the POGplant, what kind of raw material that will be used and how does the production processitself run, would be very excited to be analysis in order to develop the future of POGplant. Results showed that the POG plant conditions generally contains of the facilitiesand infrastructure that support the physical/ mechanical process, that is not passed thebiological process first which is known as composting process. The raw materials thathas been used could not maximize organic materials potentials that exist and only relyon animal waste and sugarcane waste (blotong) from sugar mills, as the main mostlyused raw material. While the common POG manufacturing process consist of the mixingof the raw materials, granulation process, drying, cooling, screening, enrichment withfunctional microbes and packaging.