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Ro'in, Nur Fadillatur
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Environmental Science Public Health

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Coagulation-Floculation Process in Water Remediation Ro'in, Nur Fadillatur
Environmental and Toxicology Management Vol. 4 No. 1 (2024): Pollution Impacts and Sustainable Solutions for Environmental Health Remediatio
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/etm.v4i1.6693

Abstract

The importance of water treatment to maintain water quality for safe consumption and prevent environmental pollution. Coagulation flocculation is one of the simple and low-cost Point Of Use (POU) technologies in treating water and wastewater. The use of coagulation-flocculation methods in water treatment effective in separating suspended solids and colloids in wastewater and surface water. The coagulation-flocculation process allows four or one of the basic coagulation mechanisms to occur, including double-layer compression, charge neutralization, interparticle bridging, and sweep coagulation or sweep flocculation. Determining the success of the coagulation-flocculation process is based on several things such as the type of coagulant used, the amount of coagulant dose added, the pH of the water to be treated, the level of turbidity, the speed of stirring, and the temperature of the water.
Characterization of domestic waste based on BOD, COD and TSS parameters Ro'in, Nur Fadillatur; Dahalan, Farah Aini
Environmental and Toxicology Management Vol. 4 No. 2 (2024): Contaminants of Concern, Health Risk evaluation and Management of Air Pollutant
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/etm.v4i2.6989

Abstract

The negative impact of domestic waste water discharge is a decrease in water quality in the receiving water body due to reduced dissolved oxygen, which can result in the death of aquatic organisms. Increased concentrations of BOD (Biological Oxygen Demand), COD (Chemical Oxygen Demand), and TSS (Total Suspended Solid) in domestic waste can have a negative impact on the environment through a series of interrelated processes such as triggering the phenomenon of eutrophication, where algae growth becomes uncontrollable and disrupts the balance of aquatic ecosystems. When BOD and COD levels increase, it indicates an excessive accumulation of organic matter and pollutants in the water, resulting in a decrease in dissolved oxygen due to oxygen consumption by microorganisms that decompose the organic matter. Several previous studies related to the quality characteristics of domestic wastewater were analyzed to determine its quality in the parameters of BOD, COD, and TSS. As a result, most of the domestic wastewater quality has a quality that exceeds the required quality standards. The average quality of domestic wastewater in the parameters of BOD, COD, and TSS is 541.9 mg/L, 1318.4 mg/L, and 1986.8 mg/L, respectively. The BOD and COD ratio shows 0.4, domestic waste must go through the seeds to be decomposed.
Co-Authors Dahalan, Farah Aini