| 摘要 |
<p>The sludge is added with organic materials such as straw of herbs, corn-stalk, vegetal wastes of canned food industry, woody plants, waste wood, saw dust to produce a mixture that is ripened under regulated conditions. The temperature of mixture is maintained for 30[deg]C for 5 days, and in range of 30-35[deg]C for 10 days and temperature is increased to 65-70[deg]C for 30 days by increasing air injection in order to reduce the quantity of harmful microorganisms during ripening period.</p> |
