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KINERJA BLACK SOLDIER FLY LARVAES (BSFL), HERMETIA ILLUCENS L., DALAM PENGOLAHAN LUMPUR TINJA DENGAN PENCAMPURAN SAMPAH PERIKANAN DAN SAMPAH BUAH PIDADA Amalia, Indi Azmi Rizka; Putri, Dyah Wulandari
Jurnal Reka Lingkungan Vol 12, No 3 (2024)
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekalingkungan.v12i3.241-253

Abstract

Sanitasi di Muara Gembong tergolong ‘belum layak’ karena toilet tidak terhubung dengan sistem pembuangan yang memadai, dan unit pengumpulan desentralisasi tidak sesuai standar nasional. Oleh karena itu, pengolahan lumpur tinja setempat dari sumbernya penting untuk meningkatkan akses sanitasi layak. Penggunaan Black Soldier Fly Larvaes (BSFL) untuk mengolah lumpur tinja merupakan pendekatan inovatif guna mengurangi volume lumpur tinja dan menghasilkan produk yang tinggi protein sebagai pakan ternak. Namun, lumpur tinja sebagai substrat BSFL tidak mendukung pertumbuhan optimal larva karena kandungan nutrisinya rendah. Untuk meningkatkan nutrisi, co-substrate berupa limbah perikanan (IKN) dan buah pidada (PDD) ditambahkan. Tujuh variasi substrat diformulasikan, dan sekitar 100 mg substrat/larva/hari diberikan selama 12 hari. Kinerja BSFL dipantau melalui survival rate (SR), waste reduction rate (WR), dan biomass conversion rate (BCR). Hasil menunjukkan penambahan IKN secara signifikan meningkatkan kinerja BSFL (P < 0,05), dengan substrat 50% lumpur tinja + 50% IKN memberikan nilai SR, WR, dan BCR tertinggi. Sebaliknya, penambahan PDD menurunkan SR dan WR, terutama pada varian 50% lumpur tinja + 50% PDD (F1-S1).
The Characteristics of Domestic Wastewater from Office Buildings in Bandung, West Java, Indonesia VA, Vandith; Setiyawan, Ahmad Soleh; Soewondo, Prayatni; Putri, Dyah Wulandari
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Volume 1, Number 2, April 2018
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v1i2.2826

Abstract

Domestic wastewater generated from various types of buildings has been recognized to be different to some extent. This research aimed to know the quality, quantity, fluctuation of quality, and fluctuation of quantity of domestic wastewater discharged from office buildings. The composite samples were taken from two office buildings. The black water and gray water were taken from Building A with number of people 53 persons, and the mixed wastewater was taken both from Building A and Building B with number of people 900 persons. The fluctuation and quantity of wastewater were measured every hour from 7 am until 4 pm during the working time. The results showed that the quality of wastewater from office building contained 176 to 238 mg/L COD, 73.06 to 106.51 mg/L TN, and 3.66 to 7.70 mg/L TP with the average of C:N:P ratio was 100:42:2.56. Quantity of wastewater discharged from office buildings were from 39.61 to 49.93 liter/person/day. COD concentration changed significantly during the working time with mean ± standard (252.5±89). The quantity of wastewater varied over time and the peak discharge for black water and gray water were 2.85 litter/person/hour and 3.74 liter/person/hour, which occurred during the beginning of working time and the praying time of muslim Indonesian culture. It suggests that the domestic wastewater from office buildings has specific characteristics and it contains high concentration of nutrient that is required appropriate advanced technology for treating this kind of wastewater.