Development of a Technology for Treating Wastewater Contaminated with Nitric Acid

Figure 1

Technological scheme of the proposed wastewater treatment plant. H-110: settler; H-120: nutsch filter; R-210: bubbling reactor; F-220: ammonia bullet; R-310: stirred tank of fertilizer preparation; F-320: fertilizer storage tank; L-111: residual pump (HNO₃); H-211: extractor; F-212: ammonia solution tank; F-311: intermediate storage tank of ammonia nitrate; L-312: fertilizer pump.