GREEN CHEMISTRY: ELECTROCHEMICAL REMEDIATION OF WASTEWATER

Water pollution is one of the largest threats facing the global population. Water is a finite resource. Once polluted, it cannot be set aside in the hopes that the environment will “make” new, clean water. One procedure often employed to treat wastewater is coagulation/flocculation. While the coagulation/flocculation procedure in wastewater treatment is effective, it involves the addition of chemical components to the water being treated. Recently, a great deal of attention has been given to less traditional alternatives to the typical process of coagulation/flocculation. One such approach receiving a good deal of attention is a process called electrocoagulation.

• In this activity students will clean polluted water through electrocoagulation which is a coagulation process carried out by an electrical charge.
• Kit contains enough materials for 15 groups of students.
• Teacher's Manual and Student Study Guide copymasters are included.

Aligned to the Next Generation Science Standards (NGSS)*

Disciplinary Core Ideas: PS1.A; PS1.B
Performance Expectations: MS-PS1-2
Cross Cutting Concepts: Patterns
Engineering Practices: Analyzing and Interpreting Data

Kit Includes:
30 Aluminum Electrodes
15 Red Connectors w/Alligator Clips
15 Black Connectors w/Alligator Clips
15g Sodium Sulfate
15mL 0.1% Crystal Violet

Optional (not included):
Funnels
Filter paper

*”Next Generation Science Standards” is a registered trademark of Achieve. Neither Achieve nor the lead states and partners that developed the Next Generation Science Standards was involved in the production of, and does not endorse, this product.

 WARNING: This product can expose you to chemicals including Phthalates and Crystal Violet, which are known to the State of California to cause cancer, birth defects and reproductive harm.