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BOD and COD in Sewage

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Diagram showing physical, chemical, and biological characteristics of sewage in environmental engineering for JKSSB and SSC JE exams.
Environment EngineeringJE Civil

Sewage Characteristics in Environmental Engineering – Complete Guide for JKSSB & SSC JE

Sahil Digra By Sahil Digra
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July 25, 2025
4 Min Read

📅 Updated: July 2025📚 Subject: Environmental Engineering🎯 Exam Focus: JKSSB JE Civil, SSC JE, RRB JE, State AE/PSC Exams 📘 What is Sewage? Sewage is wastewater that originates primarily from residential areas but also includes discharges from…