Process for the filtration of suspensions containing sulfur

Details Process for the filtration of suspensions containing sulfur Process for the filtration of suspensions containing sulfur

B - Operations, Transporting

01

D

B01D 37/00 (2006.01) B01D 53/52 (2006.01) C01B 17/02 (2006.01) C01B 17/05 (2006.01) C01B 17/10 (2006.01)

Patent

CA 2114337

To improve the separation of dispersedly precipitated sulfur from a washing solution used in the oxidative washing of hydrogen sulfide containing waste gases, the suspension is heated before filtration to about 45° C to 70° C. Such heating causes the sulfur contained in the solution to coagulate into large flocks and form a mass of high purity sulfur which is largely non- thixotropic. This mass, often called a filter cake, can be washed and utilized in a large number of ways as a source of sulfur.

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