NDLI: Creating Mini Wastewater Treatment Plants

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Creating Mini Wastewater Treatment Plants

Content Provider	TeachEngineering: STEM curriculum for K-12
Author	Bennett, David Hettenbach, Sara Welch, William
Copyright Year	2018
Description	Student teams design, construct, test and improve small working models of water treatment plant processes to filter out contaminants and reclaim resources from simulated wastewater. They keep to a materials budget and earn money from reclaimed materials. They conduct before/after water quality tests. Student teams design and then create small-size models of working filter systems to simulate multi-stage wastewater treatment plants. Drawing from assorted provided materials (gravel, pebbles, sand, activated charcoal, algae, coffee filters, cloth) and staying within a (hypothetical) budget, teams create filter systems within 2-liter plastic bottles to clean the teacher-made simulated wastewater (soap, oil, sand, fertilizer, coffee grounds, beads). They aim to remove the water contaminants while reclaiming the waste material as valuable resources. They design and build the filtering systems, redesigning for improvement, and then measuring and comparing results (across teams): reclaimed quantities, water quality tests, costs, experiences and best practices. They conduct common water quality tests (such as turbidity, pH, etc., as determined by the teacher) to check the water quality before and after treatment.
Language	English
Access Restriction	Open
Rights Holder	Regents of The University of Colorado University of Kansas
Subject Keyword	Life Science Measurement Problem Solving Science and Technology
Content Type	Text Video
Time Required	PT2H
Education Level	Class IX Class X Class XI Class XII
Pedagogy	Experimental Activity Lecture cum Demonstration
Resource Type	Hands-on
Subject	Geometry Biology Technical

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