Engineered to process raw limestone, byproduct hydrochloric acid, industrial brine, and effluent salts into certified liquid, dihydrate flake, and anhydrous prill grades for the Bangladeshi market.
Continuous neutralization reactor skids and clarification units transforming hydrochloric acid byproduct into 32%-40% purified liquid CaCl2 solutions.
Multi-effect forced circulation and MVR concentration trains with Titanium/Hastelloy tubes, built to withstand extreme chloride scaling and corrosive boils.
Rotary drum flakers coupled with fluidized bed drying systems, producing free-flowing 74%-77% dihydrate flakes tailored to tropical humidity storage.
High-temperature fluidizing granulators and rotary kiln dry systems yielding 94%-97% anhydrous pellets and powder with minimal dusting and maximum bulk density.
Bangladesh is undergoing an unprecedented phase of industrialization, led by its globally dominant ready-made garment (RMG) textile sector, expanding leather tannery hubs in Savar, deep-sea exploration initiatives in the Bay of Bengal, and landmark infrastructure developments like the Matarbari Deep Sea Port, Padma Bridge rail corridors, and coastal economic zones.
Historically reliant on imported inorganic salts from regional neighbors, Bangladeshi enterprises are actively seeking localized self-sufficiency. Calcium chloride ($CaCl_2$) represents a critical process consumable across the country's economic backbone:
Bangladesh's domestic chlor-alkali producers frequently face an imbalance between caustic soda demand and surplus hydrochloric acid ($HCl$). Building an integrated Calcium Chloride production line offers a strategic avenue for Bangladeshi manufacturing conglomerates to monetize waste acid streams through limestone neutralization:
Our turnkey equipment packages empower local manufacturers to transform environmental liabilities into high-margin liquid and solid grades certified for export throughout South Asia and the Middle East.
Headquartered in Weifang's Binhai Economic & Technological Development Zone—China's paramount capital for marine salt chemistry and halogen processing—our facility integrates 28,000 m² of precision heavy fabrication.
Direct proximity to heavy forging mills, precision rolling works, and high-purity fluoropolymer sinterers yields an unmatchable 35%-45% capital expenditure advantage over European competitors without compromising ASME and DIN engineering standards.
Calcium chloride slurries above 100°C cause severe pitting in ordinary austenitic stainless steels. We specialize in high-integrity Titanium Gr. 2/Gr. 12 heat exchange bundles, Hastelloy C-276 impellers, and virgin PTFE/PFA isostatic linings.
From initial bench scale titration tests to plant commissioning at Chittagong Port, our pre-assembled skid-mounted architectures reduce structural installation timelines by up to 40% compared to conventional stick-built plant projects.
Deploying cutting-edge Calcium Chloride processing plants solves critical raw material bottlenecks across core Bangladesh economic sectors.
Textile dying houses in Dhaka, Narayanganj, and Gazipur utilize CaCl2 to destabilize color emulsions, coagulate reactive suspended solids, and reduce chemical oxygen demand (COD) prior to bio-filtering.
Formulating solids-free clear brine completion fluids (densities up to 11.7 lb/gal) that suppress subsurface formation pressures and prevent reactive shale swelling in upstream exploration blocks.
Accelerating early Portland cement hydration for port works, seawalls, and pilings in the Bay of Bengal, reducing setting times by 50% while mitigating prolonged exposure to saltwater washout.
Bangladesh encounters up to 85% relative humidity during monsoon seasons. Anhydrous prills and flakes serve as industrial desiccants in seed storage, pharmaceutical warehouses, and export shipping containers.
A rigorous, closed-loop process engineered to achieve thermal efficiency, Zero Liquid Discharge (ZLD) compatibility, and minimal carbon footprint.
Crushed limestone is reacted with 31% HCl inside FRP/PTFE-lined continuous stirred-tank reactors (CSTR) with automatic pH and gas scrubbing control.
Milk of lime is dosed to adjust pH to 8.5-9.0, precipitating magnesium, iron, and heavy metal hydroxides for removal through solid-liquid decanters.
Purified 35% liquor enters titanium/hastelloy falling film and forced-circulation evaporators, reaching high-density 68%-72% boiling concentrate.
Hot molten liquor is solidified on chilled rotary flakers or atomized into fluidizing prilling towers, yielding stabilized flakes, pellets, or powder.
| Process Stage | Core Equipment | Standard Metallurgy | Process Parameters | Target Output / Grade |
|---|---|---|---|---|
| Acid-Rock Reaction | Continuous Neutralization Reactor | Carbon Steel + PTFE / PVDF Lined | Temp: 80-95°C | pH: 5.5 - 6.5 | 35%-38% Crude Liquid CaCl2 |
| Solid-Liquid Clarification | Horizontal Decanter / Screw Screen | Duplex Stainless 2205 / 316L | Suspended Solids < 0.05% | Purified Clear Filtrate |
| Thermal Concentration | MVR / Triple-Effect Forced Circulation | Titanium Gr. 2 / Hastelloy C-276 | Concentration: Up to 70% | Molten Hydrate Liquor |
| Dihydrate Solidification | Water-Cooled Rotary Drum Flaker | SS316L / Hastelloy Drum Shell | Flake Thickness: 1.0 - 1.8 mm | 74%-77% Dihydrate Flakes |
| Anhydrous Calcination | Fluidized Bed Granulator & Dryer | Inconel Clad / Heat Resistant SS | Temp: 240-300°C Air Flow | 94%-97% Anhydrous Prill / Powder |
Engineered to withstand the severe acidity, high chloride concentrations, and elevated thermal profiles encountered in modern Bangladeshi chemical plants.
Borosilicate glass armored with virgin PTFE liner, offering continuous visual fluid monitoring in corrosive reactor recirculation lines.
Seamless isostatically molded PTFE flow channels enclosed within cast steel or carbon steel pressure-retaining bodies for high-temperature brine branch-offs.
Precision hard-faced continuous screw spirals built with 316L and duplex stainless steels to deliver efficient solid-liquid separation and gypsum removal.
Structural steel shell lined with seamless spiral-wound polypropylene, suited for large-scale storage of hydrochloric acid and raw calcium chloride liquor.
Integrated with high-accuracy level instrumentation and top-mounted agitator flanges for neutralizing agent and flocculant metering in CETPs.
Hydrostatically spark-tested at 20kV to guarantee zero pinholes, rated for full vacuum and temperatures up to 200°C under severe acid exposure.
Removes micron-scale insoluble residues and carbon fines from saturated calcium chloride brines before evaporation, ensuring pristine final salt whiteness.
Absorbs pipe vibration and thermal expansion cycles across high-temperature evaporator feed lines, preventing stress cracks in plant piping.
A unified engineering, procurement, and construction methodology designed to mitigate risks, lower lifecycle capital costs, and secure operational readiness.
We analyze local limestone samples (purity, silica, magnesium content) and acid feed compositions. Our engineering teams formulate PID drawings, 3D BIM models, and thermal heat balance diagrams tailored to local energy costs in Bangladesh.
Every evaporator tube bundle, rotary drum flaker, and PTFE-lined spool is built in our certified Weifang workshops. Rigorous non-destructive testing (NDT), X-ray weld examination, and hydrostatic pressure hold tests ensure strict quality assurance.
We manage specialized breakbulk and open-top container shipments directly to Chittagong Port or Mongla Port. Our logistical teams provide complete pre-cleared documentation (Bill of Lading, Form C/E, Certificate of Origin, Mill Test Certificates).
Experienced Chinese installation taskforces are dispatched directly to client job sites across Bangladesh (Dhaka, Chittagong, Sylhet, Khulna). We oversee mechanical erection, piping alignment, and electrical cable routing.
We initiate water trials, chemical feed tuning, and closed-loop thermal runs. Our engineers stay on site until the plant reaches 100% designed daily tonnage output, guaranteed steam consumption rates, and laboratory purity thresholds.
Comprehensive training programs for local Bangladeshi technicians covering PLC automation operations, emergency shutdown logic, preventive flange maintenance, and finished product packaging standards.
Addressing engineering specifications, raw material tolerances, utility demands, and customs delivery terms for projects in Bangladesh.
The system processes limestone or quicklime with a $CaCO_3$ purity of ≥88% (silica <3%, magnesium oxide <2.5%) and byproduct hydrochloric acid with concentrations from 20% to 33%. Our clarifying and heavy-metal precipitation stages easily manage organic impurities or iron traces common in chlor-alkali waste acid streams.
Concentrated calcium chloride solutions at boiling temperatures induce catastrophic stress corrosion cracking in standard 304/316 stainless steels. We utilize Grade 2 titanium in evaporator tube sheets, Hastelloy C-276 in extreme temperature crystallizers, and thick-wall fluoropolymer (PTFE/PFA) linings for acidic transport circuits.
The system can be configured to produce three distinct commercial grades: 32%-40% clear liquid calcium chloride solution, 74%-77% dihydrate flakes/granules, and 94%-97% anhydrous high-purity pellets or powder, meeting international standards such as ASTM D98-15 and BS EN 12485.
With our integrated MVR (Mechanical Vapor Recompression) configuration, electrical consumption averages 45-65 kWh per ton of water evaporated, needing near-zero fresh boiler steam during steady-state runs. For steam-based triple-effect systems, consumption averages 0.42 to 0.48 tons of steam per ton of 74% flake produced.
Equipment fabrication takes 90 to 120 days depending on plant daily tonnage. Direct containerized or breakbulk vessel transit from Qingdao Port to Chittagong Port typically requires 14 to 22 days, backed by export documentation ready for local customs clearance.
Yes. We work routinely with major Bangladeshi commercial banks under irrevocable Letters of Credit (LC at sight), including standard bilateral arrangements vetted by Sonali Bank, Eastern Bank, or City Bank, guaranteeing secure and compliant cross-border financing.
Send our senior chemical engineering team your raw material assay, target daily capacity, and site location. We will supply a preliminary mass balance, thermal schematic, and full capital budget estimate within 48 hours.
Send Inquiry Now