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改进氧化铁脱硫剂的配制原料!

时间:2020-05-26
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  改进氧化铁脱硫剂的配制原料,采用不易腐烂的稻壳替代木屑,这样不仅可以改善脱硫剂的透气性能,而且稻壳中的磷不易游离出来形成易自燃的白磷,从而从根本上消除自燃的起因。
  In this way, not only the air permeability of the desulfurizer can be improved, but also the phosphorus in the rice husk is not easy to dissociate to form the white phosphorus which is easy to self ignite, thus fundamentally eliminating the cause of self ignition.
  对于来说,要实现总氮的完全去除,反硝化过程是很重要的环节,有效降低硝态氮的步骤,要引起足够的重视。总氮处理总氮去各类除磷剂原理揭秘总氮处理,如何达标?各类除磷剂原理揭秘常见的废水除磷剂大致可分为四类:钙盐、铁盐、铝盐、镁盐。
  In order to remove the total nitrogen completely, denitrification is an important step. The steps to reduce the nitrate nitrogen effectively should be paid more attention. How to reach the standard of TN treatment? There are four kinds of dephosphorizers: calcium salt, iron salt, aluminum salt and magnesium salt.
  他们的工作原理虽有相同之处,但在细枝末节处也有不同。只有清楚的了解了各项原理,才能更有针对性的选择除磷剂。钙盐常用的钙盐有Ca(OH)2和CaCl2。钙盐进入水中之后,钙离子与磷酸根结合生羟基磷灰石Ca5(OH)(PO4)3沉淀。根据Ksp溶度积公式计算可得出,当pH=5~10之间时羟磷灰石溶解度小,沉淀效果。根据实验可以看出石灰的除磷效果优于氯化钙,但是石灰的投加量很大。铁盐常用的铁盐有FeSO4和FeCl3。
生物脱硫
  Although they work in the same way, they also differ in details. Only when we have a clear understanding of the principles, can we choose more targeted dephosphorization agents. Calcium salts commonly used are Ca (OH) 2 and CaCl2. After the calcium salt enters into the water, the calcium ion combines with the phosphate to form the hydroxyapatite Ca5 (OH) (PO4) 3 precipitation. According to the calculation of KSP solubility product formula, when pH = 5 ~ 10, the solubility of hydroxyapatite is small and the precipitation effect is good. It can be seen from the experiment that the phosphorus removal effect of lime is better than that of calcium chloride, but the dosage of lime is very large. The commonly used iron salts are FeSO4 and FeCl3.
  改进出箱(塔)保护措施,为减少出箱开盖后,脱硫剂再生反应的放热能量,应从减少在出箱时的再生反应着手,在出箱前先往脱硫箱(塔)内通入一定量的水蒸气,使脱硫剂颗粒外壁形成一层水保护膜,从而减少再生反应,达到减少再生反应放热的目的。
  In order to reduce the heat release energy of the regeneration reaction of the desulfurizer after the lid is opened, a certain amount of water vapor should be introduced into the desulfurizer before it leaves the tank to form a water protective film on the outer wall of the desulfurizer particles, so as to reduce the regeneration reaction and the heat release of the regeneration reaction.