OKTAFIANA, LAELI (2020) PENGARUH KOAGULAN BIJI KECIPIR DALAM MENURUNKAN KADAR CHEMICAL OXYGEN DEMAND (COD) DAN TOTAL SUSPENDED SOLID (TSS) PADA LIMBAH CAIR INDUSTRI SOHUN. Bachelor thesis, UNIVERSITAS MUHAMMADIYAH PURWOKERTO.

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Abstract

Waste is the remainder of a business or activity. Industrial liquid waste is
pollutant in the form of a liquid originating from industrial waste containing
pollutants. The liquid waste of the vermicelli industry has high COD and
TSS
content, so it needs special treatment before being discharged into
the
environment. Decreased levels of COD and TSS in vermicelli industrial
wastewater by coagulation method using organic coagulant powdered bean seeds.
Before treatment, vermicelli industrial wastewater was analyzed for its COD
and
TSS levels with the results of 1592 mg / L and 14236 mg / L. The protein content
of winged bean seeds is rich in cationic amino acids that make up the protein
chains so that they can be used as a natural coagulant. Decreasing levels of COD
and TSS in vermicelli industrial wastewater used independent variables,
coagulant dosage variations and fast stirring speed. In the research process, it
was found that the variable that had an effect on reducing COD and TSS levels in
the vermicelli industrial wastewater was the coagulant dose, while the fast
stirring speed had no significant effect. The effect of coagulant dose
on
decreasing COD levels in vermicelli industrial wastewater according to
the
wastewater discharge quality standard with the most efficient dose of 2000 mg
/ L,
namely 59.6 mg / L. The effect of the coagulant dose on the decrease in TSS levels
was a decrease from the variation of the dose of 2000 mg / L to the optimum dose
of 5000 mg / L with a decrease in TSS levels of 3460 mg / L.

Dosen Pembimbing: Damajanti, Neni | unspecified
Item Type: Thesis (Bachelor)
Uncontrolled Keywords: Sohun liquid waste, bean powder coagulant, COD, TSS
Subjects: T Technology > TP Chemical technology
Divisions: Fakultas Tekniik Dan Sains > Teknik Kimia S1
Depositing User: Agus Imam
Date Deposited: 03 Aug 2022 00:50
Last Modified: 26 Nov 2024 07:12
URI: http://repository.ump.ac.id/id/eprint/13263

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