The tail gas absorption solution is returned to the crystallizer , thereby adjusting the liquid - solid ratio , and improving the phosphogypsum crystals with the entrained ammonium ions , with the result that the available components are recovered , and clean production and economic benefit are realized 同時,尾氣吸收液返回結(jié)晶槽一方面可以調(diào)節(jié)液固比,另一方面帶入的銨根離子可以改善磷石膏的結(jié)晶,既回收了有效成分,又實現(xiàn)了清潔生產(chǎn)與經(jīng)濟(jì)效益雙豐收。
This paper proposes the use of steam condensate to wash the acidulation tail gas , then to be used as wash water for washing phosphogypsum , to be returned to the crystallizer , and a calculation is made of water balance in the system , so that the discharge of wastewater and waste gas is up to standard 本文提出用蒸汽冷凝液洗滌酸解尾氣,然后用于洗滌磷石膏的洗水,返回結(jié)晶槽,并對系統(tǒng)的水平衡進(jìn)行計算,可以實現(xiàn)硝酸磷肥生產(chǎn)的廢水和廢氣的達(dá)標(biāo)排放。