In this work the variation in the elimination capacity of a biofilter as a function of the gas flow and toluene concentration was studied. A bioreactor 0.75 m highÃ14.5 cm diameter was used, divided into three equal stages, using compost to support the microorganisms, and sea shells to control the pH.
Mistletoe and holly have poisonous berries and are dangerous if large amounts are consumed. Poinsettias have bad side effects if eaten by your dog. Chamomile, alfalfa, comfry, penny royal and garlic are dangerous herbs for dogs to eat.
Cats may taste plants that aren't good for them, such as geraniums. Some plants, including flowering varieties, are poisonous or toxic to cats. Geraniums (Pelargonium spp.) are one such plant that is mildly harmful to both dogs and cats.Cats, being the curious creatures they are, may nibble on or even swallow parts of a geranium.eraniums. The type of geraniums harmful to cats are scented geraniums (Pelargonium spp., hardy in U.S. Department of Agriculture plant hardiness zones 10 and 11). Some varieties of this plant have strong fragrances, such as citrus, apple and peppermint, making them useful to the perfume industry.