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# 2025 Blue Filter |
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Blue Filter provides a sustainable alternative to conventional water treatment by using seeds such as moringa and chia to remove up to 98% of contaminants without electricity or chemicals. Designed for off-grid and low-resource settings, it improves public health, supports small-scale farming, and reduces environmental impact. The biodegradable, low-maintenance filter promotes self-sufficiency, resilience, and long-term access to clean water, making it especially valuable in areas facing climate stress, poor infrastructure, or humanitarian need
Salah El Sadi is the founder of Blue Filter and a water and environment specialist with an M.S. and ~15 years of field experience in MENA. He designs plant-seed–based, zero-electricity treatment systems for drinking and irrigation water, leading lab validation, on-farm pilots, and QA/certification. Salah has managed projects with CSOs, municipalities, and independent labs, trained community technicians, and spoken on climate-resilient WASH and soil–water links. He leads product, partnerships, and impact measurement to scale affordable, locally manufacturable water solutions.more
IAAC – Institute for Advanced Architecture of Catalonia
Carbon-storing architectural system using 3D-printed biochar concrete
Universidad de Ingeniería y Tecnología – UTEC
Converting EPS plastic waste into biofertilizer using mealworm digestion
