RDIC Ceramic Water Filter (Cambodia Manual)¶

Water Quality & Sensors • Est. CapEx: $4.00 USD • Lifespan: 3 Years (Replace Element)

Technical Overview¶

A comprehensive handbook for setting up a ceramic water filter factory, developed by Resource Development International Cambodia and Engineers Without Borders. Covers raw material preparation, pressing, drying, firing, flow testing, silver painting, and packaging.

Key Specifications & Engineering Parameters¶

Parameter	Specification
Category	Water Quality & Sensors
Capital Cost (CapEx)	$4.00 USD
Power / Energy	100% Gravity / Zero Power
Target Scale	School / Clinic / Cluster (50–200 people)
Standard Lifespan	3 Years (Replace Element)
Technology Maturity	Commercially Available
Primary Mechanism	Terracotta clay mixed with rice husks is pressed into filter elements using a hydraulic press. After firing at ~850°C, the combustible material burns out, leaving fine pores. Colloidal silver is painted on the fired filter to inactivate pathogens. Laterite clay is optionally added for virus binding.

Engineering Trade-Offs¶

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Cross-Reference & Interactive Tools¶

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