Faradilla, Febrica Citra (2024) PERANCANGAN INSTALASI PENGOLAHAN AIR LIMBAH (IPAL) DALAM UPAYA RECYCLE LIMBAH GREY WATER PT. X KECAMATAN SAYUNG, KABUPATEN DEMAK, JAWA TENGAH. Other thesis, UPN Veteran Yogyakarta.
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Abstract
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PERANCANGAN INSTALASI PENGOLAHAN AIR LIMBAH (IPAL)
DALAM UPAYA RECYCLE LIMBAH GREY WATER PT. X KECAMATAN
SAYUNG, KABUPATEN DEMAK, JAWA TENGAH
Oleh:
Febrica Citra Faradilla
114200009
INTISARI
Perkembangan sektor industri yang semakin pesat dapat menjadi salah satu
penyebab meningkatnya laju pencemaran terhadap lingkungan. Salah satu jenis limbah
yang dihasilkan dalam sektor industri yaitu, air limbah domestik. Pencemaran air
akibat air limbah memiliki dampak jangka panjang seperti adanya potensi kelangkaan
sumber air bersih. Penelitian ini dilakukan untuk menganalisis karakteristik berupa
kualitas limbah grey water berdasarkan standar effluent dan standar stream, serta
menghitung kuantitas limbah grey water dari PT. X; melakukan evaluasi unit
pengolahan limbah grey water yang telah ada sebelumnya; membuat perancangan
Instalasi Pengolahan Air Limbah (IPAL); dan memberikan rekomendasi dalam
mengelola air hasil olahan limbah grey water untuk dimanfaatkan kembali sebagai air
flushing toilet.
Metode yang digunakan dalam pengumpulan data yaitu survey lapangan dan
dokumentasi. Pengambilan sampel dilakukan dengan grab sampling pada dua titik
yaitu di effluent dari grease trap dan pada pipa outlet air selokan. Parameter yang
digunakan mengacu pada Permen LHK Nomor 68 Tahun 2016 tentang Air Limbah
Domestik yang berupa pH, BOD, COD, TSS, minyak dan lemak, amonia, serta total
coliform. Sedangkan metode yang digunakan untuk analisis data yaitu statistik
deskriptif.
Hasil analisis kualitas limbah grey water berdasarkan standar effluent
menujukkan bahwa terdapat parameter yang perlu diolah yaitu BOD, COD, TSS,
amonia, dan total coliform dengan target penurunan bahan pencemar secara berurutan
sebesar 87,18%; 87,27%; 65,12%; 78,34%; dan 94%, serta hasil analisis standar
stream mengenai pencampuran konsentrasi air limbah dengan selokan menunjukkan
bahwa terdapat 3 parameter yang masih melebihi baku mutu yaitu BOD, amonia dan
total coliform dengan konsentrasi campuran secara berurutan sebesar 6,03 mg/L; 1,11
mg/L; dan 22 x 105 MPN/100 mL. Kuantitas dari limbah grey water yang dihasilkan
oleh PT. X yakni sebesar 90,94 m3/hari. Hasil evaluasi mengenai unit pengolahan yang
telah ada di PT. X menunjukkan bahwa perlu adanya penambahan Instalasi
Pengolahan Air Limbah (IPAL) untuk menurunkan polutan organik yang terkandung
dalam limbah grey water, karena unit pengolahan yang ada hanya berupa unit
pengolahan fisik. Berdasarkan hal tersebut, Instalasi Pengolahan Air Limbah (IPAL)
yang direncanakan berupa Biofilter Anaerob-Aerob dengan panjang 26,87 m, lebar
2,80 m, dan tinggi 2,50 m. Biofilter ini menggunakan media sarang tawon, dan terdiri
dari 2 bak pengendap awal, 2 bak biofilter anaerob, 2 bak biofilter aerob, 1 bak
pengendap akhir dan 1 bak desinfeksi. Efluen limbah yang telah diolah dalam Instalasi
Pengolahan Air Limbah (IPAL) kemudian direkomendasikan untuk digunakan sebagai
air flushing toilet.
Kata Kunci: Air Limbah Domestik, Daur Ulang Air Limbah, Air Flushing Toilet
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WASTEWATER TREATMENT PLANT (WWTP) DESIGN PLANNING AS AN
EFFORT TO RECYCLE GREY WATER WASTE AT PT.X SAYUNG DISTRICT,
DEMAK REGENCY, CENTRAL JAVA
By:
Febrica Citra Faradilla
114200009
ABSTRACT
The rapid development of the industrial sector can be one of the causes of the
increasing rate of pollution to the environment. One type of waste produced in the
industrial sector is domestic wastewater. Water pollution due to wastewater has long-
term impacts such as the potential scarcity of clean water sources. Therefore, this
study was conducted to analyze the characteristics in the form of gray water waste
quality based on effluent standards and stream standards, as well as analyzing the
quantity of gray water waste from PT. X; evaluate the existing gray water waste
treatment unit; make a Wastewater Treatment Plant (WWTP) planning; and provide
recommendations in managing the processed water of gray water waste to be reused
as toilet flushing water.
The methods used in data collection are field survey and documentation.
Sampling is done by grab sampling at two points, namely in the effluent from the
grease trap and in the sewer water outlet pipe. The parameters used refer to Permen
LHK Number 68 of 2016 concerning Domestic Wastewater in the form of pH, BOD,
COD, TSS, oil and fat, ammonia, and total coliform. While the method used for data
analysis is descriptive statistics.
The results of the analysis of the quality of gray water waste based on effluent
standards show that there are parameters that need to be treated, namely BOD, COD,
TSS, ammonia, and total coliform with a target reduction in pollutants in order of
87,18%; 87,27%; 65,12%; 78,34%; and 94%, and the results of the stream standard
analysis regarding the mixing of wastewater concentrations with sewers show that
there are 3 parameters that still exceed the quality standards, namely BOD, ammonia
and total coliform with mixed concentrations of 6,03 mg/L; 1,11 mg/L; and 22 x 105
MPN/100 mL, respectively. The quantity of gray water waste generated by PT X is
90,94 m3/day. The evaluation results regarding the existing treatment unit at PT. X
show that it is necessary to add a Wastewater Treatment Plant (WWTP) to reduce
organic pollutants contained in gray water waste, because the existing treatment unit
is only a physical treatment unit. Based on this, the planned Wastewater Treatment
Plant (WWTP) is an Anaerobic-Aerobic Biofilter with a length of 26,87 m, a width of
2,80 m, and a height of 2,50m. This biofilter uses honeycomb media, and consists of
2 initial settling basins, 2 anaerobic biofilter basins, 2 aerobic biofilter basins, 1 final
settling basin and 1 disinfection basin. The effluent that has been treated in the Waste
Water Treatment Plant (WWTP) is then recommended for use as toilet flushing water.
Keywords: Domestic Liquid Waste, Wastewater Recycling, Toilet Flushing Water
Item Type: | Thesis (Other) |
---|---|
Uncontrolled Keywords: | Air Limbah Domestik, Daur Ulang Air Limbah, Air Flushing Toilet |
Subjects: | T Technology > T Technology (General) |
Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
Depositing User: | Eko Yuli |
Date Deposited: | 14 Aug 2024 02:31 |
Last Modified: | 14 Aug 2024 02:31 |
URI: | http://eprints.upnyk.ac.id/id/eprint/40694 |
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