首页> 外国专利> process for recovering aluminum hydroxide crystals from a turgid bayer process liquor by adding a crystallization modifier to the liquor, an improved process for the production of aluminum hydroxide from a bayer process liquor containing an aqueous phase of sodium aluminate and the liquor is produced by the separation of suspended solids insoluble in caustics, improved crystallization modifier composition for the production of aluminum hydroxide by the bayer process, bayer process to produce aluminum hydroxide crystals which have a reduced formation of fines of the simultaneous product with an upward shift in the aluminum hydroxide particle size distribution without a substantial reduction in the total yield of the aluminum hydroxide product and aluminum hydroxide crystals '

process for recovering aluminum hydroxide crystals from a turgid bayer process liquor by adding a crystallization modifier to the liquor, an improved process for the production of aluminum hydroxide from a bayer process liquor containing an aqueous phase of sodium aluminate and the liquor is produced by the separation of suspended solids insoluble in caustics, improved crystallization modifier composition for the production of aluminum hydroxide by the bayer process, bayer process to produce aluminum hydroxide crystals which have a reduced formation of fines of the simultaneous product with an upward shift in the aluminum hydroxide particle size distribution without a substantial reduction in the total yield of the aluminum hydroxide product and aluminum hydroxide crystals '

机译:通过在液体中加入结晶改性剂从节水拜耳法液体中回收氢氧化铝晶体的方法,一种改进的从包含铝酸钠水相的拜耳法液体中生产氢氧化铝的方法,该液体通过分离得到不溶于苛性碱的悬浮固体,通过拜耳法生产氢氧化铝的改进的结晶改性剂组合物,拜耳法生产氢氧化铝晶体的方法,减少了同时产物的细粉形成,氢氧化铝颗粒尺寸向上移动氢氧化铝产物和氢氧化铝晶体的总收率没有明显降低的分布”

摘要

PROCESS FOR RECOVERING ALUMINUM HYDROXIDE CRYSTALS FROM A BAYER PROCESS LIQUOR THROUGH THE ADDITION OF A LYCOR CRYSTALLIZATION MODIFIER, PERFECTING PROCESS FOR THE PRODUCTION OF ALUMINUM HYDROXY ALUMINUM HYDROXIDE PRODUCTION LIQUOR BE PRODUCED BY SEPARATING SUSPENDED SOLID SOLIDS IN CHOCOLATE, IMPROVED CRYSTALLIZATION MODIFIER COMPOSITION FOR THE PRODUCTION OF ALUMINUM HYDROXIDE BY THE BAYER PROCESS, BAYER PROCESSING A HIGH DETERMINATION OF HYDRO CRYSTAL PRODUCTION AN UPWARD CHANGE IN THE ALUMINUM HYDROXIDE PARTICLE SIZE DISTRIBUTION WITHOUT A SUBSTANTIAL REDUCTION IN THE TOTAL ALUMINUM HYDROXIDE PRODUCT AND ALUMINUM HYDROXIDE CRYSTALS It is a perfect method to produce a hydrofluidic material. liquid proce liquor Bayer sso, which involves the addition of a crystallization modifier comprising a C ~ 8 ~ -C ~ 10 ~ fatty acid, precursors, salts, or mixtures thereof. The alkyl chain of the fatty acid crystallization modifier is free of functional groups. The modifier results in a commercial yield in the presence and absence of a hydrocarbon oil that dissolves the fatty acid.
机译:通过添加乙二醛结晶改性剂从拜耳法液中回收氢氧化铝晶体的方法,可以完美地制备多酚类固醇缩合产物,其产物为多酚盐,其产物为多酚盐拜耳法制氢氧化铝,拜耳法可高度测定水合晶体产量,而氢氧化铝颗粒尺寸分布的向上变化却不显着减少氢氧化铝材料的总产量,而拜耳法则可完全取代氢氧化铝产品。液体加工液拜耳(Bayer sso),其涉及添加结晶改性剂,所述结晶改性剂包含C 8-8 -C 10脂肪酸,前体,盐或它们的混合物。脂肪酸结晶改性剂的烷基链不含官能团。在存在和不存在可溶解脂肪酸的烃油的情况下,改性剂可产生商业产量。

著录项

  • 公开/公告号BRPI0613815A2

    专利类型

  • 公开/公告日2011-02-15

    原文格式PDF

  • 申请/专利权人 NALCO COMPANY;

    申请/专利号BR2006PI13815

  • 发明设计人 JAMES A. COUNTER;JOHN T. MALITO;

    申请日2006-06-22

  • 分类号C01F7/02;

  • 国家 BR

  • 入库时间 2022-08-21 18:07:15

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