Food industry wastewater is characterized by organic matter and suspended solids content was high, easy to corruption. Generally should adopt the biological treatment.
Comparedwithorganicmembrane, inorganicceramic onehas some advantages, such as resistant tohigh temperature and corruption, easyfor cleaning, longlife span.
It must have low transaction costs, avoid significant income transfers among countries, be practically invulnerable to fraud and corruption and lend itself toeasy verification of compliance.