该工艺具有处理量大，回收率高，产品质量好，无二次污染等优点。
The process has the advantages of large throughput, high recovery rate and good product quality without secondary pollution.
试验表明，该新工艺可生产出合格水泥缓凝剂产品，并且能耗低，成本低，无二次污染。
The trials show the cement retarding agent acceptable at lower energy consumption, lower cost and no secondary pollution.
试验表明，该新工艺可生产出合格水泥缓凝剂产品，并且能耗低，成本低，无二次污染。
The trials show the cement retarder acceptable at lower energy consumption, lower cost and no secondary pollution.
本发明将酸洗液中有价成分完全利用，无 二次污染，环保，降本，终产品纯度高。
The invention makes full use of valuable ingredient, with no secondary pollution, secondary pollution, low cost and high-purity material finished product.
本发明将酸洗液中有价成分完全利用，无 二次污染，环保，降本，终产品纯度高。
The invention makes full use of valuable ingredient, with no secondary pollution, secondary pollution, low cost and high-purity material finished product.
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