| 1. | The spent acid is passed on to be denitrated .
废酸则被送去脱硝。 |
| 2. | This method was uneconomic for it was impossible to recover the spent acid .
由于不能回收废酸，所以这个方法是不经济的。 |
| 3. | Experimental and research on fluorine hydride recycled from waste acid
废酸液中回收氟化氢的实验研究 |
| 4. | Acid waste utilization
废酸渣利用 |
| 5. | Standard test methods for quicklime and hydrated lime for neutralization of waste acid
中和废酸用生石灰和熟石灰的标准试验方法 |
| 6. | Test on the aluminum abstraction from fly ash by using the waste acid of titanium dioxide industry
利用钛白废酸从粉煤灰中提取铝的研究 |
| 7. | The process of leaching serpentine by waste sulfuric acid discharged from titanium dioxide industry and making products from the leaching solution
钛白废酸浸出蛇纹石矿粉及产品制备研究 |
| 8. | The residue discharged during the operation process of the plant is pollution - free clean liquid , which has solved the difficult problem of waste acid and waste liquid generated from original purification equipments
装置运行过程中排出的残液为无污染的洁净液体，解决了困扰原净化装置的废液废酸的处理难题。 |
| 9. | Chemical industry : sodium carbonate ( the production of hydrochloric acid , hypo - fluoric acid and secondary chemicals ) ; the production of fluoride and chemical fertilizers ; circulation of reaction liquid in gas absorption tower ; grease extraction ( sulfuric acid ) ; reclamation and regeneration system of waste acid ; transportation of strong acids between chemical plants and vehicles
化学工业：碳酸钠化工业（盐酸、次氟酸、二次化学品的生产） ；氟化物、化学肥料的生产；气体吸收塔反应液体循环；油脂提炼（硫酸） ；废酸类的回收及再生系统；化工厂和运输车辆间的强酸类输送。 |
