Heparin sodium production process

The invention relates the technology of heparin sodium. The invention overcomes the defects of many procedures, big heparin sodium biological activity damage, little productivity and high residual quantity. The invention comprises the following steps: clearing raw material, extracting, flocculating and setting, ion exchanging, washing, carrying out elution, settling, dewatering and drying. The invention has the advantages of rational technology, improving quality, little active damage, little residual quantity, high purify, low cost, and good economic benefit.