Kweku Anno

Kweku Anno is a Ghanaian engineer and inventor who has worked on reducing organic waste pollution in Ghana.
In 2004, Kweku Anno began experiments with a "digester box" vermifilter that uses earthworms for decomposing fecal material, similar to vermifilters being produced in Australia and New Zealand, but using a porous concrete filter (PCF) as the filtration substrate. As of 2006, he was selling Biofil Digesters. In 2008 he launched his current company, Biological Filters and Composters, Ltd (Biofilcom). As of July 2013, his company had installed over 4,000 Biofil Digesters.
In 2014 the Bill and Melinda Gates Foundation gave a grant to scale up the construction of the biofil toilets that Anno had invented. and of Biological Filters and Composters Ltd.
Anno is a member of The Church of Jesus Christ of Latter-day Saints (LDS Church) and has served as a counselor in the presidency of the Accra Ghana Lartebiokorshie Stake and as bishop of the Odorkor 1st Ward.

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