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All Journal JURNAL AIR INDONESIA JURNAL TEKNOLOGI LINGKUNGAN Jurnal Sains Teh dan Kina Chimica et Natura Acta Jurnal Rekayasa Lingkungan Meteor STIP Marunda Kimia Padjadjaran
wahyu widayat
Economic Development, Gadjah Mada University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Transportation

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TEKNOLOGI PENGOLAHAN AIR MINUM DARI AIR BAKU YANG MENGANDUNG KESADAHAN TINGGI Widayat, Wahyu
Jurnal Air Indonesia Vol. 4 No. 1 (2008): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (332.783 KB) | DOI: 10.29122/jai.v4i1.2364

Abstract

Water is very important need for our live. The lack of water, in term of quqnttity quality would triger serious social & health problems. The requirements for qualified water including element of phisical, chemical & bacteriological. One of chemical parameter in wateris the amount of Ca+2 & Mg+2, namely of hardnes. Since it is harmfull for human health hardness both in industrial and household consumption should be avoided. To cope the problem, there is an exact solution by processing the water with ion exchange filtration. The instalation could be used to process the water from deep well & ordinary well on the lime mountains which generally has a high hardness into qualified drinkable water.                                              Kata Kunci : Air minum, Kapur, Kesadahan, Pengolahan, Penukar ion.
PENYISIHAN AMONIAK DALAM UPAYA MENINGKATKAN KUALITAS AIR BAKU PDAM-IPA BOJONG RENGED DENGAN PROSES BIOFILTRASI MENGGUNAKAN MEDIA PLASTIK TIPE SARANG TAWON Widayat, Wahyu; suprihatin, Suprihatin; Herlambang, Arie
Jurnal Air Indonesia Vol. 6 No. 1 (2010): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (467.016 KB) | DOI: 10.29122/jai.v6i1.2456

Abstract

In big cities, the water quality of rivers used as the main raw water sources is getting worse and worse. That is caused by a lot of improper wastewater management systems, especially in industrial and settlement areas. As an example, the raw water of PDAM TKR Bojong Renged which is taken from Cisadane  Rives contains Ammonia 3.8 mg/l and it means that the content is not allowed to be used as the raw water for drinking water purpose. To cope with the problem, a bofiltration process can be used as one alternative to reduce Ammonia till the required standard quality.  A honeycomb tube type made plastic was the media of biofilter reactor. Operational condition was varied with HRT (Hydrolysis Retention Time) between 1-4 hours and air supply between 0-30 l/minute. The best process condition was found at 2 hour-HRT and 20 l/minute air supply and the Ammonia removal efficiency was about 65%. The linear regression equation was  ya  = -91.19xa + 77.12, where Y is for removal efficiency and the axis X is for Ammonia loading.  Keywords:  raw  water quality, ammonia, biofiltration, honeycomb tube, removal efficiency,
PILOT PLANT KOMBINASI BIOFILTRASI DENGAN ULTRAFILTRASI UNTUK PENYEDIAAN AIR MINUM Widayat, Wahyu
Jurnal Air Indonesia Vol. 8 No. 1 (2015): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3235.45 KB) | DOI: 10.29122/jai.v8i1.2383

Abstract

In big cities of Indonesia using river water as raw water PAM (drinking water company). The concentration of organic matter and ammonia in the raw water PAM is increasing due to industrial and domestic waste pollution. Biofiltration combination with ultrafiltration process is use as one alternative to reduce  concentration of organic matter, ammonia, iron, manganese and turbidity in raw water. In this treatment, biofilter reactor is use with plastic of Honeycomb tube type as media combined with ultrafiltration. Operational condition of treatment is variation of HRT (Hydraulyc Retention Time) between 1–4 hours and air supply between 0–30 l/min. The selected operational condition of treatment found at HRT of 2 hours and air supply of 20 l/min, with removal efficiency of concentration of organic, ammonia,iron, manganese, and turbidity are 68 %,65 %, 68 %, 67 %, and 72 % respectively.  Keywords:  Biofiltration, ultrafiltration, honeycomb tube, removal efficiency, drinking water.
APLIKASI TEKNOLOGI PENGOLAHAN AIR ASIN DESA TARUPA KECAMATAN TAKA BONERATE KABUPATEN SELAYAR Widayat, Wahyu
Jurnal Air Indonesia Vol. 3 No. 1 (2007): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (600.529 KB) | DOI: 10.29122/jai.v3i1.2322

Abstract

Takabonerate  is one of the 23 regencies in South Sulawesi where it is locates at the southern parth of South Sulawesi Province and it is surrounded by flores sea. As maritime regency, its mainland is 1,188.28 km2 (5.23%) and the sea is approximately 21,138.41 km2 (94.68%). It has 126 islands wich consist of small and big islands.  Tarupa village’s   a subdistrict located in a tidy and peat area. The community living in tarupa use surface water of river as the main clean water resource. The surface water is  influenced by the tide of sea water. The surface water taste is very salty (TDS>12000ppm). The use of rain water as the second alternative is very limited, i.e it is only in rainy season. To deal with the chronic problem, such as the lack of clean water supply, it needs an appropriate water treatment technology. The suitable water treatment system is a combination of conventional and advanced technology. Desalination, such as Reverse Osmosis must be involved to reduce salinity of the raw water. A complete process includes the pretreatment and advance treatment. The pretreatment are oxidation and some common filtrations. The advance treatment is a molecular filtration using a membran which the principal is reverse osmosis pressure. If the pilot water treatment plant is avalaible in Tarupa in Takabonerate, the clean water supply will not be a serious problem. Generally, it can also play an important role to increase the social level of community in South Sulawesi.. Kata Kunci : Teknologi, pengolahan, air asin, reverse osmosis, air minum.
DAUR ULANG AIR LIMBAH DOMESTIK KAPASITAS 0,9 M3 PER JAM MENGGUNAKAN KOMBINASI REAKTOR BIOFILTER ANAEROB AEROB DAN PENGOLAHAHAN LANJUTAN Widayat, Wahyu
Jurnal Air Indonesia Vol. 5 No. 1 (2009): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (551.417 KB) | DOI: 10.29122/jai.v5i1.2430

Abstract

Water pollution in the big cities in Indonesia, especially in DKI Jakarta has shown serious problems. One of the potential sources of water pollution is domestic wastewater that is wastewater from kitchens, laundry, bathing and toilets. These problems have become more serious since the spreads of sewerage systems are still low, so that domestic, institutional and commercial wastewater cause severe water pollution in many rivers or shallow ground water. There are a number of ways to converse water resources, one of them is to treat domestic waste water by communal system and then it is continued by advance process for recycling of wastewater. In this paper, it will be discussed recycling of domestic wastewater by communal system that combine the biological system using anaerobic-aerobic biofilter reactor for removing organic pollutant in wastewater and the advance process consisting of oxidation process, filtration by manganese zeolite filter, filtration by  rapid sand filter, filtration by carbon filter and desinfection by ultraviolet sterilisator. The sterilisator is improve quality of tread wastewater being clear  water as an alternative for water use save. Key wrods : Limbah, domestik, daur ulang, biofilter, pengolahan lanjutan 
PEMASYARAKATAN UNIT PENGOLAHAN AIR SIAP MINUM SKALA INDUSTRI KECIL Said, Nusa Idaman; Widayat, Wahyu
Jurnal Teknologi Lingkungan Vol. 1 No. 3 (2000): 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 (1048.571 KB) | DOI: 10.29122/jtl.v1i3.186

Abstract

Berdasarkan data ststistik 1995, prosentasi banyaknya rumah tangga dan sumber air minum yang digunakan di berbagai daerah di Indonesia sangat bervariasi tergantung dari kondisi geografisnya. Secara nasional yakni sebagai berikut : Yang menggunakan air leding 16,08 %, air tanah dengan memakai pompa 11,61 %, air sumur (perigi) 49,92 %, mata air (air sumber) 13,92 %, air sungai 4,91 %, air hujan 2,62 % dan lainnya 0,80 %. Permasalahan yang timbul yakni sering dijumpai bahwa kulaitas air tanah maupun air sungai yang digunakan masyarakat kurang memenuhi syarat sebagai air minum yang sehat bahkan di beberapa tempat bahkan tidak layak untuk diminum. Air yang layak diminum, mempunyai standar persyaratan tertentu yakni persyaratan fisis, kimiawi dan bakteriologis, dan syarat tersebut merupakan satu kesatuan. Jadi jika ada satu saja parameter yang tidak memenuhi syarat maka air tersebut tidak layak untuk diminum. Untuk daerah kawasan pemukiman yang telah dibangun di daerah yang kualitas air tanahnya buruk, serta belum mendapatkan pelayanan air bersih dari PAM setempat maka masyarakat terpaksa memenuhi kebutuhan air minum mereka dengan cara membeli air minum kemasan dengan harga yang mahal. Untuk menanggulangi masalah tersebut, salah satu alternatif yakni dengan cara mengolah air tanah atau air sumur sehingga didapatkan air siap minum dengan kualitas yang memenuhi syarat kesehatan. Untuk mengatasi permasalahan tersebut di atas, yakni dengan caramengembangkan dan memasyarakatkan paket teknologi untuk mengolah air sumur atau air PAM menjadi air yang dapat langsung diminum tanpa dimasak terlebih dahulu. Unit alat tersebut terdiri dari antara lain : pompa air baku, filter bertekanan, filter mangan zeolit, filter karbon aktif, cartridge filter, sterilisator ultra violet dan ozon generator. Tujuan dari kegiatan ini adalah memasyarakatkan teknologi pengolahan air siap minum yakni air yang dapat langsung diminum tanpa dimasak untuk skala industri kecil (kapasitas 10.000 - 20.000 liter per hari air siap minum) yang hasilnya dapat dijual kepada masyarakat dengan harga yang jauh lebih murah dibandingkan dengan apabila membeli air minum kemasan. Sasaran kegiatan ini adalah membagun satu percontohan unit pengolahan air siap minum di dalam suatu kawasan pemukimnan yang rawan air bersih yang dapat dikelola oleh koperasi atau unit usaha setempat dan hasilnya dapat dijual kepada masyarakat setempat dengan harga yang lebih murah. Diharapkan hasil penjualan dari air tersebut dapat memberikan peluang usaha dan dapat digulirkan ke tempat lain.
TEKNOLOGI PENGOLAHAN AIR SADAH widayat, wahyu
Jurnal Teknologi Lingkungan Vol. 3 No. 3 (2002): 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 (1258.643 KB) | DOI: 10.29122/jtl.v3i3.264

Abstract

Air merupakan merupakan kebutuhan yang sangat vital bagi kehidupan. Jika kebutuhanakan air belum terpenuhi baik secara kuantitas maupun kualitas, maka akan menimbulkan dampak yang besar terhadapkerawanan kesehatan maupun sosial. Kualitas air meliputi persyaratan fisik, kimia dan bakteriologis yang merupakan suatu kesatuan, sehingga apabila ada satu parameter yang tidak memenuhi syarat, maka air tersebut tidak layak untuk digunakan. Salah satu parameter kimia dalam persyaratan kualitas air adalah jumlah kandungan unsur Ca2+ dan Mg2+ dalam air yang keberadaannya biasa disebut kesadahan air. Kesadahan dalam air sangat tidak dikehendaki baik untuk penggunaan rumah tangga maupun untuk penggunaan industri. Untuk mengatasi permasalahan tersebut, salah satu alternatif adalah mengolah air tanah atau air sumur setempat sehingga didapatkan air siap minum yang dengan kualitas yang memenuhi persyaratan.
PENGOLAHAN AIR GAMBUT SECARA KONTINYU widayat, wahyu; Said, Nusa Idaman
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 (964.533 KB) | DOI: 10.29122/jtl.v2i3.216

Abstract

Air tanah di daerah bergambut atau daerah rawa umumnya dangkal berwarnacoklat, berkadar asam humus, zat organik dan besi yang tinggi, sedangkandidaerah daratan agak dalam dengan air berwarna jernih tetapi kadar besi danmangan masih tinggi. Untuk mengatasi masalah air bersih di daerah bergambutperlu adanya alat pengolahan air gambut yang dapat dipakai untuk memenuhikebutuhan air bersih masyarakat setempat.Alat Pengolahan air gambut secara kontinyu ini merupakan rangkaian prosesyabg lengkap namun dikemas dalam bentuk yang sederhana, dirancang sesuaidengan kondisi dan tingkat pendidikan masyarakat pedesaan. Dengan demikian alat pengolah air gambut secara kontinyu ini harus murah, mudah pengerjaan dan pengoperasiannya serta hasil olahan yang memenuhi baku mutu air minum.
PENGOLAHAN AIR PAYAU MENGGUNAKAN TEKNOLOGI OSMOSA BALIK widayat, wahyu; yudho, satmoko
Jurnal Teknologi Lingkungan Vol. 3 No. 1 (2002): JURNAL TEKNIK 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 (1126.299 KB) | DOI: 10.29122/jtl.v3i1.239

Abstract

Tanjung Aru is a village located in cape of Tanjung Aru, East Kalimantan. The community living in Tanjung Aru use surface water from wells as the main clean water resource. The surface water is so influenced by the tide of sea water. The surface taste is very salty (DHL>1500 mMhos/cm). The water is not only salty but also the turbidity is much more than water quality standart. The use of rain water as the second alternative is very limited, it is only in rainy season.To deal with the chronic problem, such as the lack of clean water supply, it needs an appropriate water treatment technology. The suitable water treatment system is a combination of conventional and advanced technology. Desalination, such as Reverse Osmosis must be involved to reduce salinity of the raw water. A complete process includes the pretreatment and advance treatment. The pretreatment are oxidation and some common filtrations. The advance treatment is a molecular filtration using a membran which the principal is reverse osmosis pressure. If the pilot water treatment plant is avalaible in Tanjung Aru, the clean water supply will not be a serious problem. Generally, it can also play an important role to increase the social level of community in East Kalimantan.
PROBLEM IDENTIFICATION OF DOMESTIC WWTP OFFICE BUILDING AND ALTERNATIVE TO OVERCOME THEM (CASE STUDY : PT. USAHA GEDUNG BDN, JAKARTA) Rahardjo, Petrus Nugro; Widayat, Wahyu
Jurnal Rekayasa Lingkungan Vol 9, No 2 (2016): Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.808 KB)

Abstract

In general, the main problem of domestic wastewater treatment plant (WWTP) for office buildings in Jakarta is the incompatibility between the surface load of wastewater and the capacity of WWTP. At the beginning a capacity of WWTP is already predetermined and corresponding to the rate of wastewater generated. But because of the demands of the means for the benefit of various business, so that the capacities of the office building should be developed. This case occurred on PT. Usaha Gedung BDN. Four environmental parameters, namely TSS, Ammonia, Grease Oil and COD, produced from the WWTP still exceeded the allowable quality standards. Therefore PT. Usaha Gedung BDN immediately needs WWTP capacity development plan which is adequate. Various types of technology have been widely available and ready to be used to overcome the problems of the WWTP. But on this occasion it is advisable to develop the existing WWTP facilities by adding a new WWTP unit. The first WWTP is functioned as the preliminary processing unit and the new WWTP will become an advanced processing unit. The use of a combination of anaerobic-aerobic biofilter will be relied upon to reduce pollutants that can qualify water quality standards in accordance with applicable regulations.keywords : problem identification, domestic wwtp, advanced processing
Co-Authors Arie Herlambang Bagaskoro Dini Jamia Rayati, Dini Jamia Fausil Indriyanti, Niken Mony, Siti Rasnawati Muhammad Yusuf Nusa Idaman Said Petrus Nugro Rahardjo Robertus Haryoto Indriatmoko Rudi Nugroho satmoko yudho Satmoko Yudo Sitorus, Jonggung Suprihatin Suprihatin Syani, Mamay Talita Shofa Adestia Toto Subroto Wibowo, Ekasari Kartika Putri