Based on experimental researches,the relations between the total alkali concen-tration and the quantity of crystalline in spent carbonated liquor is derived.

The systematic experiment research was carried out for a time H acid mother liquor and T acid washing water,which was high salt content organic waste water.

Nickel bismuth magnesian is recycled by multiprecipitate after molybdenum is deposited from molybdenum-leaching solution and industrial production is realized.