The electrochemical cathode protection of the buried steel pipelines is a mature technology, but it has not been widely used in the sulfuric acid industry.
埋地钢质管道电化学阴极保护是一项成熟技术，但在硫酸工业中应用尚不多。
Foodstuff industry: the production of Miltonic acid (hydrochloric acid); extraction of edible oil (sulfuric acid); the industry of tinned fruits (hydrochloric acid).
食品工业：葡萄糖酸的生产(盐酸)；食油的提炼(硫酸)；灌装水果工业(盐酸)。
Aluminium hydroxide with 99.99% of purity was obtained by two-step purifying aluminium sulfate solution made from aluminium hydroxide and sulfuric acid with industry purity.
以工业氢氧化铝和硫酸为原料，采用两步纯化溶液法制得了纯度为99.99%的氢氧化铝粉。
Rice hull ash (RHA) was activated with sulfuric acid after treatment with alkali soluted to produce an adsorbent for the soybean oil industry.
稻壳灰经碱液处理后，再用硫酸活化以制取大豆油精炼中的脱色剂。
Sulfuric acid is an important basic chemical industry products.
硫酸是基本化学工业中重要产品之一。
Sulfuric acid is an important basic chemical industry products.
硫酸是基本化学工业中重要产品之一。
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