Process for wastewater treatment

Details Process for wastewater treatment Process for wastewater treatment

1986-11-26

1988-04-12

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210903, 210904, 210719, C02F 334

Patent

active

047372893

ABSTRACT:
Free cyanide-containing wastewater is treated to destroy the free cyanide content thereof by the step of treating said water with sulfur in the form of polysulfide in an integrated process wherein thiocyanate is also eliminated to produce a non-hazardous wastewater effluent and treating the wastewater in a second step with cultures of bacteria of the genus Thiobacillus in combination with nitrifying bacteria which oxidize ammonia to nitrite and nitrite to nitrate. The first step is preferably carried out in the presence of added metallic zinc.

REFERENCES:
patent: 4508683 (1985-04-01), Doll et al.
patent: 4530768 (1985-07-01), Tanihara et al.
patent: 4537686 (1985-08-01), Borbely et al.
patent: 4615873 (1986-10-01), Devuyst et al.
Ganczarczyk, J. J. et al., "Application of Polysulfide for Pretreatment of Spent Cyanide Liquors"; Jour. W. P. C. F., vol. 57, No. 11, pp. 1089-1093, (1985).

Affiliated with

Also associated with

Rating

Process for wastewater treatment does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for wastewater treatment, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for wastewater treatment will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1428098