Perencanaan Unit Alum Recovery dari Lumpur Alum IPAM Taman Tirta Sidoarjo

Muktiningsih, Satwika Desantina (2008) Perencanaan Unit Alum Recovery dari Lumpur Alum IPAM Taman Tirta Sidoarjo. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

IPAM Taman Tirta Sidoarjo menggunakan alum sebagai koagulan sehingga lumpur yang dihasilkan dari proses pengolahan air minum ini mengandung alum. Dari hasil analisa laboratorium, diketahui bahwa alum dapat diperoleh kembali (alum recovery) dari lumpur alum IPAM Taman Tirta Sidoarjo hingga 78,84% untuk lumpur alum sisa proses sedimentasi dan 76,02% untuk lumpur alum sisa proses filtrasi. Oleh karena itu, tercetus ide untuk merealisasikan hasil penelitian tersebut dalam bentuk perencanaan unit alum recovery guna mengurangi dampak negatif dari pembuangan lumpur ke badan air dan sebagai salah satu langkah pemanfaatan kembali lumpur alum yang dihasilkan dari proses pengolahan air minum. Dalam perencanaan ini, ditentukan jumlah lumpur alum yang akan diolah di unit alum recovery berdasarkan volume lumpur alum dari IPAM Taman Tirta Sidoarjo dan ketersediaan lahan perencanaan. Proses alum recovery yang direncanakan meliputi penyeragaman kuantitas dan kualitas lumpur alum, penambahan asam sulfat, pengadukan, pengendapan, dan penampungan filtrat recovered alum. Dari hasil perencanaan diketahui bahwa unit alum recovery yang dibutuhkan adalah bak ekualisasi (diameter 3,4 m × 2 m), tangki pembubuh asam sulfat (diameter 3 m × 5,7 m), bak koagulasi (1 m × 1 m × 1 m), bak clariflocculator (diameter 5,5 m × 7 m), dan tangki penampung filtrat (diameter 3 m × 4,96 m). Sedangkan perlengkapan unit alum recovery yang dibutuhkan adalah pipa berdiameter 1½ inci; 3 inci; 5 inci; dan 8 inci; pompa sentrifugal, dan aksesoris pipa yaitu basket strainer; regular flanged 90° ell.; swing check valve flanged; dan gate valve flanged. Total anggaran biaya yang diperlukan untuk merealisasikan unit alum recovery tersebut adalah sebesar Rp90.684.033,00.
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IPAM Taman Tirta Sidoarjo uses alum as a coagulant so that sludge from the water treatment process contains alum. Based on laboratory analysis, it is known that alum can be recovered (alum recovery) from alum sludge at IPAM Taman Tirta Sidoarjo up to 78.84% for alum sludge remaining from the sedimentation process and 76.02% for alum sludge remaining from the filtration process. Because of that, there is an idea to realize that research in the design of an alum recovery unit to reduce the negative impact of sludge disposal into water bodies and as one of the steps to reuse alum sludge from the water treatment process. In this plan, the amount of alum sludge which will be treated in the alum recovery unit is determined based on the volume of alum sludge from IPAM Taman Tirta Sidoarjo and the availability of the planned area. The alum recovery process which will be designed includes the equalization of the quantity and quality of alum sludge, sulfuric acid addition, mixing, sedimentation, and recovered alum filtrate storage. From the design results, it is known that the alum recovery units needed are an equalization unit (diameter 3.4 m × 2 m), a sulfuric acid dosing tank (diameter 3 m × 5.7 m), a coagulation unit (1 m × 1 m × 1 m), a clariflocculator unit (diameter 5.5 m × 7 m), and a filtrate storage tank (diameter 3 m × 4.96 m). The alum recovery unit equipment needed includes pipes with diameters of 1½ inches, 3 inches, 5 inches, and 8 inches; centrifugal pumps; and pipe accessories: basket strainer, regular flanged 90° ell., swing check valve flanged, and gate valve flanged. The total investment cost to realize the alum recovery unit is Rp90,684,033.00.

Item Type:	Thesis (Other)
Additional Information:	RSL 628.354 Muk p
Uncontrolled Keywords:	lumpur alum, alum recovery, unit alum recovery, alum sludge, alum recovery, alum recovery units
Subjects:	T Technology > TD Environmental technology. Sanitary engineering > TD430 Water--Purification. T Technology > TD Environmental technology. Sanitary engineering > TD767.7 Sewage sludge treatment and disposal
Divisions:	Faculty of Civil Engineering and Planning > Environment Engineering > 25201-(S1) Undergraduate Thesis
Depositing User:	Gunawan .
Date Deposited:	26 Oct 2026 01:40
Last Modified:	26 Oct 2026 01:40
URI:	http://repository.its.ac.id/id/eprint/145844

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