①Acid washing method: Usual acids are hydrochloric acid, oxalic acid, citric acid and so on.
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化学方法包括酸洗法、皂化法、酰化法和酯化法等。
The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.
避免了传统硫酸酸洗法脱硫工艺中苯损失大、硫酸和碱用量大的问题。
The major loss caused by the method of washing with sulfuric acid was avoided, and the consumptions of sulfuric acid and alkali were decreased.
去除粉状耐火材料、玻璃原料、电瓷物料中的铁磁物质，目前工业上普遍采用酸洗法。
The present removing ferromagnetic from powder of the refractory, raw material of the glass and material of the electric ceramics, generally adopts acid washing in industry.
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