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Package: 25kg/40kg/50kg/1,000kg per bag, 20MT/20’ft container without pallet and 17.5MT/20’ft container with pallet or as per customer’s requirement

Product description:

spec.	Standard (%)	Result (%)
Na2CO3	≥99.2	99.40-99.60
NaCL	≤0.7	0.35-0.55
Fe	≤0.0035	0.00090-0.0015
SO4	≤0.03	≤0.03
Moisture Content %	0.1%-0.4%	0.1%-0.4%
Water Insoluble Matter%	≤0.03	0.0090-0.015
Heavy Metal (As Pb) %	≤0.001	﹤0.001
Arsenic(%)	≤0.0002	﹤0.0002

It is the same as the Solvay Process in the first few steps. But instead of treating the remaining solution with lime, carbon dioxide and ammonia is pumped into the solution and sodium chloride is added until it is saturated at 40 degree C. Then the solution is cooled down to 10 degree C. Ammonium chloride precipitates and its removed by filtration, the solution is recycled to produce more sodium bicarbonate. Hou’s eliminates the production of calcium chloride and the byproduct ammonium chloride can be used as a fertilizer.