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!I 1 The proper environment to induce rapid growth;and reproduction of these good .i bacteria must have: ;l 1. A water medium containing food (orSanii: wastfe) for them to eat. 2. Dissolved oxygen in sufficient quantities for the aerobia types that require it, ;k g. The proper Ph -• not too acidic nor too a Ikalin"e — between b and 9 on the pH scale. 4. Moderate temperatures, between 50 and, 100°IF. i i CNXYMES What is an enzyme, and how does it aid digestion?i An enzyme is a chem{cal catalyst that breaks up long, complex waste molecules irnto smaller, simpler pieces. The smaller, broken up pieces can be digested directly :by the bacteria. Enzymes are not living things, and they cannot grow or reproduce themselves. They are chemicals that are manufactured and used by"11bacteria in order to digest f� Waste. When added to the chemical organic waste, enzymes immediately go to work breaking down the waste. The large Complex molecules are chemically broken into smaller, simpler pieces, The bacteria and able to consume these fragments :m• � mediately, so they now have a plentiful supply 1�01` "prepared" food waiting for l them. The growing bacteria will then start to produce and use their own enzymes, thus keeping the cycle going. i The following types of enzymes are incorporated in digestant products; w �0 LIPASE • breaks down fats and glleases PROTEASE breaks down proteins CELLULASE • breaks down cellulose AMYLASE • breaks down carbohydrrates and starches Enzymes are specific, so that one type of enzyme can work on only one type of molecule. Thus, protease enzyme will break down co-mplex proteins into simpler pieces, but will have no effect on fats or greasesl� Like�ise, lipase will attack animal fats and grease, but will not work on paper or wood f,lbers (cellulose;. . J ' ----- ------------------