after it has been used for softening water up to the point of its thorough exhaustion with calcium and magnesium salts. The sulphonated coal may be regenerated by treatment with dilute acid or by passing water containing carbon dioxide there over this water then passing on for the lime, ...
Addition of lime (CaO) and soda (Na2CO3) to the hard water precipitates calcium as the carbonate, and magnesium as its hydroxide. What are the advantages and disadvantages of lime soda? It is slow process because reactions during water softening takes place in very dilute solutions and room ...
2) lime softening 石灰软化 1. This paper discusses the method and principle of lime softening treatment of water. 阐明了石灰软化水处理的原理及方法。 2. The lime softening and membrane system were used to treat wastewater from metallurgical plant. 采用石灰软化/膜技术处理冶金工厂总排口综合...
Limesofteningprocessisoftenappliedinremovinghardnessandphosphates. 石灰软化工艺通常用来去除硬度和磷酸盐。 www.chemyq.com 2. Watertreatmentbylimesofteningtechnologyand itsdeslaggingreuse 水的石灰软化处理及排渣再利用技术 www.ilib.cn 3. Treatmentof wastewater fromcirculationcoolingwatersystembylimesoftening ...
Focusing on the fact of high-hardness and low-alkalinity of Baogang′s tailings water,the water treatment test was carricd out by lime-soda softening process in lab. 文章针对包钢尾矿渗漏水硬度高,碱度低的现状,进行了石灰纯碱软化法处理该废水的静态试验研究,为尾矿渗漏水的进一步深度处理提供了数据指...
摘要: Lime soda ash softening in domestic water treatment works is detailed; includes process chemistry, reagent selection, and schematic illustrations of the implementation of lime soda ash softening.关键词: water softening lime–soda ash process solubility cation removal precipitation–dissolution ...
- 《Water Science & Technology》 被引量: 0发表: 2016年 Lime–Soda Ash Processes As in other chemical water softening technologies, the objective of the lime–soda ash process is to precipitate polyvalent cations from solution by pH adj... R. Viadero - John Wiley & Sons, Inc. 被引量: ...
a飞机 Airplane[translate] a别敲门 正在翻译,请等待... [translate] a他们在学校篮球队 They in school basketball team[translate] aTreatment of gas washing water from blast furnace by lime softening process 窑气洗涤水的治疗从鼓风炉由石灰变柔和的过程[translate]...
Interface Science in Drinking Water Treatment M.Jekel,G.L.Amy, inInterface Science and Technology, 2006 2.2.Softening Lime treatmentto remove or reduce carbonate hardness (softening) is an efficient process for As(V) removal. Sorg and Longsdon[12]presented data, indicating more than 90%-remova...
Lime materialsMINE DRAINAGEFLUORIDE REMOVALFLY-ASHNEUTRALIZATIONPRECIPITATIONLime treatment is an important technique for softening of drinking water, treating the ... MS Akhtar - 《Water Conservation Science & Engineering》 被引量: 0发表: 2022年 Neutralization of Acidic Wastewater from a Steel Plant by...