西南石油大学学报(自然科学版) ›› 1992, Vol. 14 ›› Issue (4): 94-101.DOI: 10.3863/j.issn.1000-2634.1992.04.013

• 油田化学 • Previous Articles     Next Articles

DETERMINATION OF COD IN WASTEWATER HIGH IN CI- IN OIL-GAS FIELDS

Chen Ji Ying Zhong Feng Ying Fan Song-lin   

  1. Department of Applied Chemistry
  • Received:1992-02-15 Revised:1900-01-01 Online:1992-11-20 Published:1992-11-20

Abstract: Thig paper proposed the determination of COD in the wastewater high in Cl~- in oil-gas field by an improved sealing method The experimental results show that the method is high in precision and accuracy, is able to eliminate the influence of cl~- effectively, to save time and space and to cut down expenses, and is easy to operate.

Key words: Chemical oxygen demand, Wastewater, Quantitative analysis

CLC Number: