[Soda ash knowledge] Daily question (6) 2009.10.09
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Please hide the reply. If you do not hide it, you will not be graded in principle. Specific hiding methods: http://bbs.hcbbs.com/viewthread.php?tid=492556&highlight=%D2%FE%B2%D8 Edited posts are not graded. (The title of this issue is taken from the third page of "Technical Worker Job Training Question Bank - Soda Ash Production Operator". The electronic version of the book is available for download in the soda ash information sharing area. http://bbs.hcbbs.com/thread-13140-1-2.html ) 1. According to the different methods of obtaining ammonium chloride, the combined alkali method can be divided into ( ), ( ), ( ). 2. The main equipment of the combined alkali method are ( ), ( ), ( ), ( ), ( ), ( ). 3. The main difference between the ammonia-alkali method and the combined alkali method is ( ). 4. The currently widely used process of the combined alkali method is ( ). 5. The combined alkali method is divided into ( ) process and ( ) process. 6. The utilization rate of sodium chloride by the combined alkali method in actual production is generally above ( ). 7. The mother liquor produced by the combined alkali method is ( ) used. 8. The reaction equation for carbonization of ammonia salt water is ( ). 9. The reaction equation of heavy alkali calcination is ( ).
1. According to the different methods of obtaining ammonium chloride, the combined alkali method can be divided into (heat method), (auxiliary salt method), and (cold method). 2. The main equipment of the combined alkali method is (carbonation tower), (lime kiln), (calcining furnace), (cooling alkali furnace), (crystallizer), (ice machine). 3. The main difference between the ammonia-alkali method and the combined alkali method is (the different processing methods of the alkali-making mother liquor). 4. At present, the widely used process of the combined alkali method is (one carbonation, two ammonia absorption, one salt addition, ice cooling). 5. The combined alkali method is divided into (alkali making) process and (ammonium making) process. 6. The utilization rate of sodium chloride by the combined alkali method in actual production is generally above (90%). 7. The mother liquor produced by the combined alkali method is (circulated) used. 8. The reaction equation for carbonization of ammonia salt water is (NaCl+NH3+CO2+H2O==NaHCO3+NH4Cl). 9. The reaction equation of heavy alkali calcination is (2NaCO3---NaCO3+CO2+H2O)
1. According to the different methods of obtaining ammonium chloride, the combined alkali method can be divided into (heat method), (auxiliary salt method), and (cold method). 2. The main equipment of the combined alkali method is (carbonation tower), (lime kiln), (calcining furnace), (cooling alkali furnace), (crystallizer), (ice machine). 3. The main difference between the ammonia-alkali method and the combined alkali method is (the different processing methods of the alkali-making mother liquor). 4. At present, the widely used process of the combined alkali method is (one carbonation, two ammonia absorption, one salt addition, ice cooling). 5. The combined alkali method is divided into (alkali making) process and (ammonium making) process. 6. The utilization rate of sodium chloride by the combined alkali method in actual production is generally above (90%). 7. The mother liquor produced by the combined alkali method is (circulated) used. 8. The reaction equation for carbonization of ammonia salt water is (NaCl+NH3+CO2+H2O=NaHCO3+NH4Cl). 9. The reaction equation of heavy alkali calcination is (2NaHCO3-Na2CO3+CO2+H2O)
1. According to the different methods of obtaining ammonium chloride, the combined alkali method can be divided into (hot method), (auxiliary salt method), and (cold method). 2. The main equipment of the combined alkali method is (carbonation tower), (lime tower), (calcining furnace), (cooling alkali furnace), (crystallizer), (ice machine). 3. The main difference between the ammonia-alkali method and the combined alkali method is (the treatment methods of the alkali-making mother liquor are different). 4. The currently widely used process of the joint-alkali method is (one carbonation, two ammonia absorption, one salt addition, and ice cooling). 5. The combined alkali method is divided into (alkali making) process and (ammonium making) process. 6. The utilization rate of sodium chloride by the combined alkali method in actual production is generally above (90%). 7. The mother liquor produced by the combined alkali method is (circulated) used. 8. The reaction equation of carbonization of ammonia salt is (NaCl+NH3+CO2+H2O=NaHCO3+NH4Cl). 9. The reaction equation of heavy alkali calcination is (2NaHCO3→Na2CO3+CO2+H2O).
1. Thermal method, auxiliary salt method, cold method 2. Carbonation tower, lime kiln, calcining furnace, cooled alkali furnace, crystallizer, ice machine 3. Different processing methods for alkali production mother liquor 4. One carbonation, two ammonia absorption, one salt addition, ice machine refrigeration 5. Alkali production, ammonium production 6, 90% 7. Cycle 8, NaCl+NH3+CO2+H2O==NaHCO3+NH4Cl 9. 2NaHCO3→Na2CO3+CO2+H2O
1. According to the different methods of obtaining ammonium chloride, the combined alkali method can be divided into (hot method), (auxiliary salt method), and (cold method). 2. The main equipment of the combined alkali method is (carbonation tower), (lime kiln), (calcining furnace), (cold alkali furnace), (crystallizer), (ice machine). 3. The main difference between the ammonia-alkali method and the combined alkali method is (the treatment methods of the alkali-making mother liquor are different). 4. At present, the widely used process of the combined alkali method is (one carbonation, two ammonia absorption, one salt addition, ice cooling). 5. The combined alkali method is divided into (alkali making) process and (ammonium making) process. 6. The utilization rate of sodium chloride by the combined alkali method in actual production is generally above (90%). 7. The mother liquor produced by the combined alkali method is (circulated) used. 8. The reaction equation for carbonization of ammonia salt water is (NaCl+NH3+CO2+H2O=NaHCO3+NH4Cl). 9. The reaction equation of heavy alkali calcination is (2NaHCO3→Na2CO3+CO2+H2O).
1. According to the different methods of obtaining ammonium chloride, the combined alkali method can be divided into (heat method), (auxiliary salt method), and (cold method). 2. The main equipment of the combined alkali method is (carbonation tower), (lime kiln), (calcining furnace), (cooling alkali furnace), (crystallizer), (ice machine). 3. The main difference between the ammonia-alkali method and the combined alkali method is (the different processing methods of the alkali-making mother liquor). 4. At present, the widely used process of the combined alkali method is (one carbonation, two ammonia absorption, one salt addition, ice cooling). 5. The combined alkali method is divided into (alkali making) process and (ammonium making) process. 6. The utilization rate of sodium chloride by the combined alkali method in actual production is generally above (90%). 7. The mother liquor produced by the combined alkali method is (circulated) used. 8. The reaction equation for carbonization of ammonia salt water is (NaCl+NH3+CO2+H2O==NaHCO3+NH4Cl). 9. The reaction equation of heavy alkali calcination is (2NaCO3---NaCO3+CO2+H2O)