Disulfonate process control

Details Disulfonate process control Disulfonate process control

1988-12-23

1991-05-14

Langel, Wayne A.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

C01B 21093

Patent

active

050154559

ABSTRACT:
In a process for the production of hydroxylamine disulfonate diammonium salt (DS) comprising feeding an aqueous ammoniuum nitrite solution, SO.sub.2 gas and trim ammonia to a packed column to create a reaction mixture to produce DS; the improvement comprising controlling said process by measuring the pH of the DS product solution stream, comparing said pH with a pre-selected pH value, and adjusting for deviation of pH by adjusting the feed of nitrite solution and measuring the concentration of unreacted nitrite in the DS product solution stream, comparing said concentration with a pre-selected concentration value, and adjusting for deviation of said concentration by adjusting the feed of trim ammonia.

REFERENCES:
patent: 2772145 (1953-02-01), Joris et al.
Patent Abstracts of Japan-vol. 6, No. 131 (C-114) (1009) Jul. 17, 1982; and JP-A-5756308 (Ube Kosan K.K.) 03.04.1982.

Affiliated with

Also associated with

Rating

Disulfonate process control does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1647071