Beijing JJRS Technology Development Co., Ltd.
| Payment Terms | L/C, T/T |
| Supply Ability | 10-12 set/year |
| Delivery Time | 7~10 months |
| Packaging Details | wooden box; plastic package |
| Capacity | 3m3/h,4m3/h,6m3/h,8m3/h. Can be designed according to customer's requirements |
| Waste acid | Fe2+<140g/L HCL 3-5% |
| Regenerating acid | Fe2+<5g/L HCL 190-220g/L |
| Iron Powder | Fe2O3>99% CL-<0.01% |
| Exhaust gas | Fe2O3<10mg/Nm3 HCL<20mg/Nm3 |
| Effluent | Fe2+0-120g/L hcl 0-20% (discontinuously discharge) |
| Efficiency | >99.5% |
| Energy consumption | <750Kcal/L |
| Energy | electricity, water, compressed air |
| Name | Valued acid regeneration plant 3~8m3/h (energy electricity) for customer |
| Keyword | Valued acid regeneration plant |
| Brand Name | JJRS |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 10-12 set/year |
| Delivery Time | 7~10 months | Packaging Details | wooden box; plastic package |
| Capacity | 3m3/h,4m3/h,6m3/h,8m3/h. Can be designed according to customer's requirements | Waste acid | Fe2+<140g/L HCL 3-5% |
| Regenerating acid | Fe2+<5g/L HCL 190-220g/L | Iron Powder | Fe2O3>99% CL-<0.01% |
| Exhaust gas | Fe2O3<10mg/Nm3 HCL<20mg/Nm3 | Effluent | Fe2+0-120g/L hcl 0-20% (discontinuously discharge) |
| Efficiency | >99.5% | Energy consumption | <750Kcal/L |
| Energy | electricity, water, compressed air | Name | Valued acid regeneration plant 3~8m3/h (energy electricity) for customer |
| Keyword | Valued acid regeneration plant | Brand Name | JJRS |
| High Light | sulfuric acid regeneration process line ，Steel Pickling Plants 8m3/h ，Steel Pickling line | ||
Valued acid regeneration plant 3~8m3/h (energy electricity) for customer
Hydrochloric acid regeneration
Hydrochloric acid regeneration or HCl regeneration refers to a chemical process for the reclamation of bound and unbound HCl from metal chloride solutions as hydrochloric acid.
Additional recommended knowledge
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Field of application
The commercially most relevant field of application for HCl regeneration processes is the recovery of HCl from waste pickle liquors from carbon steel pickling lines. Other applications include the production of metal oxides such as, but not limited, to Al2O3 and MgO as well as rare earth oxides by pyrohydrolysis of aqueous metal chloride or rare earth chloride solutions.
A number of different process routes are available. The most widely used is based on pyrohydrolysis and adiabatic absorption of hydrogen chloride in water.
Known Processes
The following processes for the regeneration of HCl from spent pickle liquors have been adopted by the ferrous metals processing industry:
Regeneration
Pyrohydrolysis
Hydrothermal Regeneration
Electrolytic Fe-precipitation
Recovery of free HCl
Retardation
Dialysis
Ion Exchange
Transformation of FeCl2 to FeCl3
Electrolytic Oxidation
Chemical Oxidation
Pyrohydrolysis of Spent Pickle Liquor
Pyrohydrolysis of hydrochloric SPL from carbon steel pickling lines is a hydrometallurgical reaction which takes place according to the following chemical formulae:
4 FeCl2 + 4 H2O + O2 = 8 HCl + 2 Fe2O3
2 FeCl3 + 3 H2O = 6 HCl + Fe2O3
The process is an inversion of the chemical descaling (pickling) process.
Main differences between different implementations of pyrohydrolytic acid regeneration
Furnace Type (Spray Roaster, Fluidised Bed or Combined Furnace)
Physical Properties of Iron Oxide By-Product (Ferric Oxide Powder or Pellets)
Purity and commercial value of Iron Oxide By-Product (Cl content, SiO2 content, other impurities, specific weight, specific surface)
Energy Consumption (between 600 and 1200 kcal/l)
Fuel Type
Concentration of regenerated acid (typically approx. 18% wt/wt)
Purity of regenerated acid (remaining Fe content, Cl content)
Recovery Efficiency (typically 99%)
Rinse Water Utilization
Stack Emissions (HCl, Cl2, Dust, CO, NOx)
Liquid Effluents (composition, amount)
| Concentration of regenerated acid | typically approx. 18% wt/wt |
| Purity of regenerated acid | remaining Fe content, Cl content |
| Recovery Efficiency | (typically 99%) |
| Stack Emissions | HCl, Cl2, Dust, CO, NOx |
| Liquid Effluents | composition, amount |
| Furnace Type | Spray Roaster, Fluidised Bed or Combined Furnace |
| Energy Consumption | (between 600 and 1200 kcal/l) |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2006
Total Annual:
20000000-8000000
Employee Number:
1~100
Ecer Certification：
Active Member
Beijing JJRS Technology Development Co.,Ltd. registered in national high-tech park - Beijing Economic and Technological Development Zone, is a high-tech enterprise specialized in a complete set of metallurgical equipments for metal surface coating and steel strip intensive processing, its technology... Beijing JJRS Technology Development Co.,Ltd. registered in national high-tech park - Beijing Economic and Technological Development Zone, is a high-tech enterprise specialized in a complete set of metallurgical equipments for metal surface coating and steel strip intensive processing, its technology...
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