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All Journal JURNAL TEKNOLOGI LINGKUNGAN Makara Journal of Science
Saragih, Grace Serepina
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Environmental Science

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Efisiensi Penggunaan Grey Water dan Air Hujan dalam Rangka Menurunkan Tingkat Penggunaan Air Baku Hidayat, Muhamad Yusup; Fauzi, Ridwan; Harianja, Alfonsus Hasudungan; Saragih, Grace Serepina
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 (282.13 KB) | DOI: 10.29122/jtl.v20i2.3347

Abstract

ABSTRACTThe population growth rate in big cities such as Jakarta and its satellite cities has a correlation that is directly proportional to the level of clean water consumption. The biggest consumption of clean water is generally used for domestic household needs. However, the use of clean water is still not efficient. Therefore, the efficiency of water-saving needs to be carried out by utilizing sources that have not been optimally used, for example, greywater and rainwater. The purpose of this study is to determine the level of water usage in 3 (three) types of housing and the level of efficiency of utilization of domestic wastewater (greywater) and rainfall (CH) in reducing the use of clean water. This research was performed in the Villa Bintang Mas residential area in the City of South Tangerang, the Villa Bintang Mas residential area in the City of Depok, and the Selakopi Hijau/Forestry residential area in the City of Bogor. Data collection was conducted by a series of surveys using a questionnaire on the sample of a household. The results show that the data processing needs of clean water in three residentials range of values between ± 158.84 Liters/person/day up to ± 215.38 Liters/person/day. The level of efficiency of the utilization of greywater and rainwater in reducing the usage of clean water in three housing ranges from 21.12% to 58.47%.Keywords: Domestic Waste, the Use of Clean Water ABSTRAKTingkat pertumbuhan penduduk di kota-kota besar seperti jakarta dan kota-kota satelitnya memiliki korelasi yang berbanding lurus dengan tingkat konsumsi air bersih yang dimanfaatkan oleh masyarakat. Konsumsi air bersih terbesar adalah untuk kebutuhan domestik rumah tangga. Penggunaan air bersih saat ini masih belum mengikuti kaidah efisiensi dalam penggunaannya, untuk itu efisiensi penghematan air perlu segera dilakukan dengan memanfaatkan sumber-sumber lain yang belum termanfaatkan, antara lain air limbah domestik rumah tangga (grey water) dan air hujan. Tujuan dari penelitian ini adalah mengetahui tingkat pemakaian air di 3 (tiga) tipe perumahan,serta tingkat efisiensi pemanfaatan air limbah domestik rumah tangga (grey water) serta curah hujan (CH) dalam menurunkan pemakaian air bersih. Penelitian ini dilaksanakan di Perumahan Villa Bintang Mas, Kota Tangerang Selatan, Perumahan Permata Depok, Kota Depok, dan Perumahan Selakopi Hijau/Kehutanan, Kota Bogor. Pengambilan data dilakukan dengan cara survei menggunakan kuesioner pada rumah tangga yang menjadi sampel. Hasil pengolahan data memperlihatkan bahwa kebutuhan air bersih di tiga perumahan berkisar pada rentang nilai antara ±158,84 Liter/Orang/Hari sampai dengan ± 215.38 Liter/Orang/Hari. Tingkat efisiensi pemanfaatan grey water dan air hujan dalam mengurangi pemakaian air bersih di tiga perumahan berkisar antara 21,12% hingga 58,47%.Kata kunci: Limbah Domestik, Penggunaan Air Bersih 
Mercury Contamination in Selected Edible Plants and Soil from Artisanal and Small-scale Gold Mining in Sukabumi Regency, Indonesia Saragih, Grace Serepina; Tapriziah, Ely Rahmi; Syofyan, Yunesfi; Masitoh, Siti; Pandiangan, Yohana Sari Hotmatua; Andriantoro, Andriantoro
Makara Journal of Science Vol. 25, No. 4
Publisher : UI Scholars Hub

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Abstract

Artisanal and small-scale gold mining (ASGM) activities often pollute soil, water, and air, thereby achieving widespread proliferation, and contaminating the surrounding biota including plants. Mercury contamination on agricultural land around ASGM areas has been widely reported. This study aims to determine the total mercury contamination in plants and soil around active ASGM sites in Sukabumi Regency, Indonesia, namely, Waluran, Lengkong, and Ciemas Districts. Total mercury (Hg) content was measured from 27 plant samples (including cassava [Manihot utilisima], rice [Oryza sativa], and papaya [Carica papaya]), 7 rhizosphere soil samples, and 7 non-rhizosphere soil samples. Data were analyzed using Kruskal–Wallis test. Results showed no significant difference in total mercury concentrations among locations or plant parts, between rhizosphere and non-rhizosphere soils (p > 0.05), and among cassava plant parts, papaya, and rice. The highest mercury level was found in cassava (0.33–43.27 ppm). Mercury contamination in rice and papaya was relatively low at 0.03–1.22 and 0.06–5.11 ppm, respectively. According to the Regulation of the Head of BPOM of the Republic of Indonesia Number 23 of 2017 concerning the Maximum Limit of Heavy Metal Contamination in Processed Food, 0.03 ppm is the maximum limit of mercury contamination in fruits, vegetables, and cereals. Therefore, all plant samples around the ASGM sites have exceeded the maximum mercury contamination and thus are not suitable for consumption.
Lead Concentration in The Soil Around a Used Battery Recycling Site in Tangerang Regency, Indonesia Fauzi, Ridwan; Hidayat, Muhamad Yusup; Hindratmo, Bambang; Masitoh, Siti; Saragih, Grace Serepina
Makara Journal of Science Vol. 25, No. 4
Publisher : UI Scholars Hub

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Abstract

Long-term lead (Pb) exposure can affect human health. Used battery recycling is a source of Pb emission, and the smoke from the facility carries Pb particles that accumulate in the soil. This study aimed to determine the concentration of accumulated Pb in the soil around Kadu Manis Battery Recycling Industrial Estate, Tangerang Regency, Banten Province, Indonesia in 2018. Soil samples were collected by employing a purposive strategy in four directions from the hot spot at a 0–7.5 km radius. Pb content in the soil was analyzed using a modified version of the official method from American Public Health Association number 3030-H in 2012 and work instructions for metal 01 in 2014. Results showed that the Pb concentration in the soil around this site was below the threshold with an average value of 94.43 mg/kg dry weight and a range of 16.56–279.42 mg/kg dry weight. The soil closest to the facility had the highest Pb concentration. These findings indicated that the management of emission from used battery recycling site must be improved.
Co-Authors Alfonsus H. Harianja Andriantoro, Andriantoro Bambang Hindratmo, Bambang Hidayat, Muhamad Yusup Hidayat, Muhamad Yusup Pandiangan, Yohana Sari Hotmatua ridwan fauzi Siti Masitoh Tapriziah, Ely Rahmi Yunesfi Syofyan, Yunesfi