The objective of this study was to evaluate the suitability of using woodchips as a carbon source for denitrification in intermittently operated household slow sand filters. This was accomplished through a series of batch and column experiments where fishpond bacteria were used to inoculate the reactors. and the resulting nitrate and nitrite concentrations observed over 24 h. Results ... https://allfixelectricales.shop/product-category/dryer-thermostat/