坦桑尼亚政府再次开始在湖中开采纯碱，用于制造化学品、玻璃和洗涤剂。
The Tanzanian government has once again started mining the lake for soda ash, used for making chemicals, glass and detergents.
玻璃的基本原料，包括硅砂和纯碱，几乎可以在任何地方找到。
The basic ingredients in glass, including silica sand and soda ash, are found almost everywhere.
纯碱是广泛应用于冶金、化工、纺织、造纸、医药、食品等工业的重要的基础化工原料。
Pure alkali is important basic chemical material, extensively applied to the industry, such as metallurgy, chemical industry, textile, papermaking, medicine, food, etc.
建设内容：纯碱化学名称碳酸钠，用途广泛。
Project Contents: Soda, whose chemical name is sodium carbonate, is widely used.
加入纯碱以降低钙离子浓度到低于100ppm。
主要研究一水碱干燥条件对重质纯碱白度的影响规律。
The influence of drying condition of monohydrate sodium carbonate on the whiteness of dense soda ash is discussed in this paper.
光学玻璃是由高纯度原料：沙子、石灰、纯碱制成的。
Optical glass is made of raw materials-sand, lime, and soda of the highest purity.
本文对乙酸—纯碱法制备双乙酸钠反应过程进行了研究。
The reaction processes of preparing sodium diacetate from acetic acid and sodium carbonate are studied.
在进料中加入纯碱或烧碱，小球的表面就变粘并为细粉覆盖。
By adding soda ash or caustic soda to the feed stock, the surface of the pellets becomes sticky and coated with fines.
生产实践表明，这种改进能提高该纯碱煅烧炉的使用性能及寿命。
The production practice shows that this improvement can enhance the operation performance and use life of soda calciner.
分析了氨碱法纯碱生产中氨耗产生的原因，介绍了降低氨耗的途径。
The reasons of ammonia consumption in solvay soda ash production were analyzed and the methods of lowering ammonia consumption were introduced.
卤水和固体碳酸氢铵反应得碳酸氢钠和母液，碳酸氢钠经煅烧得纯碱。
The reaction of brine with solid ammonium bicarbonate forms sodium bicarbonate and mother liquor. Soda Ash can be obtained by calcining sodium bicarbonate.
研究结果对芒硝联产纯碱和硫酸铵新工艺的研究和开发具有指导和参考意义。
The research results are directive and with reference value for development of the new process of soda ash and ammonium sulfate co production by mirabilite.
本发明是一种纯碱和盐酸(或氯化氢)联合生产的新工艺，属基础化工领域。
The invention relates to a novel process of joint production of sodium carbonate and hydrochloric acid (or hydrogen chloride), belonging to the field of basic chemical industry.
氟碳铈矿纯碱焙烧低酸浸出，在还原条件下直接用盐酸浸出制取工业氯化稀土。
The reductive extraction method of bastnasite baked by sodium carbonate and low acidity HCI leaching for making rare earth chloride is reported.
第三代纯碱专用“O”形球阀是上海费希尔公司开发的高性能纯碱行业专用阀。
The third generation of "o" type ball valve for soda was special high performance valve for soda developed by Shanghai Fisher valve.
纯碱是平板玻璃生产中的一种重要原料，其粒度大小对玻璃的熔制存在明显的影响。
Soda ash is one of important materials in flat glass production. The particle size has great influence on glass melting.
纺织染料方法：对于纺织方法，织物经洗涤后，再在纯碱溶液浸泡5 -10分钟。
Textile Dye Method: For textile methods, the fabric is scrubbed and then soaked in Soda Ash Solution for 5 – 10 minutes.
烧碱和纯碱是基本化工原料， 盐卤中硫酸根的存在严重影响这两种碱及精制盐的生产。
Soda ash and caustic soda are basic raw material in chemical industry. Existence of sulfate in brine has great impact on the production of soda and refined salt.
综述了钛在纯碱工业中的应用业绩，并对钛在纯碱工业中的应用优势，进行了一定的分析。
This paper summarizes application achievement of titanium in the soda industry, and analyzes application advantages of titanium in the soda industry.
本文介绍了以氟硅酸钠、纯碱为原料生产晶体氟化钠的工艺，并对操作条件作了详细的说明。
A method of producing crystal sodium fluoride with sodium fluosilicate and sodium carbonate is introduced. And its optimal operations are described in detail.
采用石英砂、石灰石、白云石等天然矿石为主要原料，配合一些纯碱、硼砂等化工原料熔成玻璃。
Using quartz sand, limestone, dolomite and other natural mineral as the main raw material, with some soda, borax etc chemical raw materials melting into glass.
采用石英砂、石灰石、白云石等天然矿石为主要原料，配合一些纯碱、硼砂等化工原料熔成玻璃。
Using quartz sand, limestone, dolomite and other natural mineral as the main raw material, cooperate with some soda, borax etc chemical raw materials melting into glass.
为了降低运行成本，采用小型动态实验，模拟曝气池的运行条件，将石灰水代替纯碱以中和水质。
In order to reduce the operation cost, a small dynamic test was done with the simulation of the operation conditions of the aeration basin, and calcined soda is being replaced by limewater.
综述了国内外以芒硝为原料制备纯碱、烧碱的各种方法及工艺，并对它们的优、缺点进行了评述。
The different method and technology for preparation of alkali from Glauber's salt at home and abroad are reviewed.
凯膜盐卤水精制的工艺技术是在结合氯碱、纯碱工业盐水精制成功经验的基础上研究出的新工艺。
The technic of kai film brine refined is a new technology, which is based on combining the successful experience of salt water refined in chlor-alkali and soda ash industry.
如何提高纯碱与磷酸中和反应的效率和精确控制中和度是国内外磷化工行业多年来努力解决的问题。
How to enhance the efficiency of neutralization reaction and control neutralization degree are the problems we are trying to work out.
再生用碱的质量对阴离子交换树脂的再生性能有很大的影响，国内很少采用高纯碱再生阴离子交换树脂。
The quality of the alkali for regeneration has an important impact on the regeneration of anion resin. High-purity alkali is not usually used in China for the regeneration of anion resin.
过粗的纯碱颗粒不利于玻璃的熔制，其上限应控制在26目左右，而纯碱细粉的含量则应控制在合适的范围内。
The upper limit should be less than 26 meshes. Finer powder's content should be controlled within a proper range.
过粗的纯碱颗粒不利于玻璃的熔制，其上限应控制在26目左右，而纯碱细粉的含量则应控制在合适的范围内。
The upper limit should be less than 26 meshes. Finer powder's content should be controlled within a proper range.
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