Experimental investigation of microbial paraffin removal technology
- 生命科学－会议论文 
By separation and purification experiment, microorganisms were obtained. The paraffin removal strain was named for SW-1. Microscopic and morphological examinations showed strain SW-1 was to be Bacillus Cereus. After strain SW-1 treatment, the number of strain SW-1 increased from 2.7×106/mL-1 to 3.5×108/mL-1, which increased by two orders of magnitude; the degradation rate of paraffin could reach to 64% within one month; the prevention rate of paraffin could reach to 43%; the viscosity of crude oil reduced from 35.9mPa·s to 26.8mPa·s, the reduction rate of viscosity was 25.3%, and the freezing point of crude oil reduced by 4.3°C; surface tension reduced from 44.5mN·m-1 to 29.1mN·m-1, the reduction rate of surface tension was 34.6%, and pH value was reduced to 6.3. These phenomenon indicated that strain SW-1 has better removal paraffins effect. ? (2013) Trans Tech Publications, Switzerland.