The optimized conditions of soda-AQ are: alkali charge 22%, dosage of AQ 0.1%, the maximum temperature 165oC and heating time 90min.

• 烧碱蒽醌法最佳蒸煮条件是:用碱量22%25；蒽醌用量0.；1%25；最高温度165°C；保温时间90min。