耐酸堿防腐涂料
2021-04-13
由于(yu)硅(gui)酸鹽水(shui)(shui)泥的(de)(de)水(shui)(shui)解,混凝(ning)(ning)土(tu)(tu)池壁(bi)會(hui)(hui)生成游離的(de)(de)氫氧化鈣,因此混凝(ning)(ning)土(tu)(tu)池壁(bi)是堿(jian)(jian)性(xing)的(de)(de)。當(dang)污水(shui)(shui)為酸性(xing)時(shi)(shi),混凝(ning)(ning)土(tu)(tu)將(jiang)被化學(xue)反應破壞。盡(jin)管混凝(ning)(ning)土(tu)(tu)具有更好的(de)(de)耐堿(jian)(jian)性(xing),但它不能抵抗強堿(jian)(jian),因為當(dang)污水(shui)(shui)中存在(zai)大量堿(jian)(jian)液時(shi)(shi),二氧化硅(gui)在(zai)混凝(ning)(ning)土(tu)(tu)中的(de)(de)溶(rong)解度會(hui)(hui)增加,從而導致混凝(ning)(ning)土(tu)(tu)腐蝕(shi)。當(dang)滲(shen)透(tou)到(dao)(dao)混凝(ning)(ning)土(tu)(tu)中的(de)(de)堿(jian)(jian)液遇(yu)到(dao)(dao)二氧化碳(tan)時(shi)(shi),它還會(hui)(hui)產生物質和...