A case study on piggery farm scale liquid manure pit recharge system

Recently, several swine farmers are trying to install a “Liquid Manure Pit Recharge System (LMPRS)” reduce odors, but many suffering from lack of related information. This research was carried out provide information pig who want LMPRS through field surveys the applied farmers, investigating characteristics installation and operation, classifying types by process. The survey five farms found common operation methods such as initial stabilization period (180 days), retention in aeration tank (30 temperature (30°C), mixed liquer suspended solid (MLSS) (3,000 ppm), based on analysis process flow each farm, it possible classify type 1 (periodic addition microorganisms, no solid-liquid separation), 2 conduct 3 (no microorganisms addition, 3-1 1st, 2nd separation) whether microorganism continuously added or not using separator. It is believed that this can be used basic data help wish presenting management