Engineered specifically to withstand tropical humidity and high-chloride stress corrosion, these specialized units deliver reliable 74%–77% dihydrate flakes, 94% anhydrous pellets, and high-density liquid CaCl₂ brines.
Turnkey liquid formulation systems converting industrial by-product streams into high-density 32%-40% completion fluids for offshore Sumatra & East Kalimantan.
Energy-saving titanium-clad falling film and forced-circulation evaporators optimized for tropical climate operations and continuous concentration up to 68% melt.
Heavy-duty rotary drum crystallizing flakers paired with specialized anti-caking cooling zones designed to counter high ambient humidity across Indonesian maritime ports.
Continuous spray fluidized bed granulators delivering spherical pellets with minimal dusting, high bulk density, and exceptional dissolution kinetics for deep drilling and refrigeration.
Indonesia is accelerating its industrial transformation through downstream mineral processing, advanced energy extraction, and massive infrastructure programs such as the Nusantara (IKN) capital development. Calcium chloride (CaCl₂) serves as a cornerstone chemical in this transition.
The explosive expansion of High-Pressure Acid Leach (HPAL) plants across Morowali (IMIP), Weda Bay (IWIP), and Obi Island creates immense demand for chloride-based neutralization, extraction effluent recycling, and specialized precipitation processes where calcium chloride aids heavy metal recovery and sulfate balancing.
Offshore exploratory fields in East Kalimantan (Mahakam Block) and onshore reservoirs in Central Sumatra (Rokan Block) require solid anhydrous pellets and concentrated 38% liquid CaCl₂ as solid-free completion and workover brines to control downhole reservoir pressure and inhibit reactive shale swelling.
Rapid marine infrastructure, deep-water port construction, and the rapid deployment of concrete slabs in high-humidity zones demand food-grade and technical-grade calcium chloride as a primary accelerator, cutting cure duration by over 60% in wet tropical conditions.
Processing calcium chloride in equatorial maritime environments poses unique engineering bottlenecks: ambient relative humidity frequently exceeding 85%, accelerated corrosion rates from atmospheric salinity, and variable purity in raw limestone and hydrochloric acid feedstocks.
Indonesian chemical operations frequently utilize by-product hydrochloric acid derived from chlor-alkali plants, PVC synthesis, or pesticide intermediates. Our digestion reactors utilize specialized acid-resistant rubber and PTFE linings coupled with high-precision stoichiometry controls. Insoluble silicon, heavy metal oxides, and trace sulfates are precipitated using alkaline slurry dosing and separated via high-throughput automated filter presses and two-stage decanters to guarantee ultra-clear clarified brine (>35% concentration).
Given varying regional power and steam tariffs across Java, Sumatra, and Sulawesi, our thermal architectures balance Mechanical Vapor Recompression (MVR) with triple-effect counter-current forced circulation systems. Using pure Titanium Grade 2 and Grade 7 tubes with Hastelloy C-276 vapor chests, our equipment concentrates clarified brine from 35% up to a 65%-68% molten dihydrate state while slashing steam consumption by up to 60% compared to traditional open evaporation pans.
For standard 74% dihydrate flake products, our internally chilled rotary drum flakers utilize proprietary alloy scraper blades with chilled closed-circuit water distribution. For premium 94% anhydrous spherical pellets, our multi-stage conical fluidized bed drying units inject molten CaCl₂ onto seed particles, allowing continuous drying and granulating in a single unit. This yields pellets with superior hardness and moisture absorption resistance under tropical storage.
A frequent operational failure in Indonesian industrial parks is bag caking within 72 hours due to moisture penetration. Ruitu integrates dehumidified positive-pressure pneumatic conveyance and secondary cooler stages that reduce product discharge temperatures to below 42°C prior to automated Form-Fill-Seal (FFS) or bulk-bag jumbo packaging (1,000 kg), complete with internal PE barrier heat-sealing.
| Product Grade | Purity Range (CaCl₂) | Moisture Profile | Primary Indonesian Sector | Standard Metallurgy |
|---|---|---|---|---|
| Liquid Brine Solution | 32% – 42% solution | Liquid Phase | Offshore Oil & Gas (Workover/Completion) | FRP / PTFE-lined Steel / 316L SS |
| Dihydrate Flakes | 74% – 77% min | Crystal Bound H₂O | Palm Oil Mills, Concrete Curing, Refrigeration | Titanium Gr.2 / 316L / Hastelloy C |
| Anhydrous Pellets / Granules | 94% – 97% min | < 1.5% residual H₂O | Deep Well Exploration, Industrial Desiccant | Titanium Clad / Alloy 20 / Ceramic Refractory |
| Food / Pharma Grade (E509) | 95%+ USP / BP Standard | Controlled low-heavy metals | Brewing, Cheese Coagulation, Water Treatment | Electropolished 316L / PTFE-Lined Vessels |
Deploying chemical production facilities across the Indonesian archipelago demands modular construction, rigorous pre-commissioning, and seamless logistics from fabrication yard to remote island locations.
By pre-assembling fluid systems, pumps, heat exchangers, and instrument banks into standardized containerized skid modules at our Weifang facility, site installation timelines at remote locations (e.g., Central Sulawesi or North Maluku) are reduced by 45% compared to stick-built construction.
Our PTFE and PFA-lined piping, extraction tanks, and valve assemblies utilize computer-controlled rotational lining (rotomolding) and high-density paste extrusion, ensuring zero pinholes, minimum 3.5mm liner thickness, and spark testing certification up to 25kV to survive corrosive brines.
Turnkey calcium chloride plants are equipped with distributed control systems (DCS) featuring predictive thermal modeling. Operators monitor slurry specific gravity, vapor recompression speed, and dryer air intake remotely via redundant industrial Ethernet architectures with multilingual human-machine interfaces.
Ensuring operational continuity and rapid capital return requires deep familiarity with Indonesian statutory frameworks, environmental impact thresholds, and regional logistics realities.
Indonesian environmental authorities (KLHK) impose stringent zero-discharge standards on chemical effluent, especially near sensitive marine ecosystems. Ruitu's engineering designs integrate multi-effect evaporator condensate recycling, dust scrubbers with 99.8% collection efficiency, and closed-loop wash water recycling to guarantee full compliance with Indonesian AMDAL and UKL-UPL environmental approvals.
Finished calcium chloride output meets Indonesian National Standard SNI 06-2108-1991 for technical and industrial calcium chloride. To assist local joint-venture operators in satisfying TKDN (Tingkat Komponen Dalam Negeri) domestic content targets, we coordinate structural steelwork and civil components locally while supplying high-spec proprietary titanium and lined reactors directly.
Delivering heavy industrial evaporators and rotary dryers into ports such as Tanjung Priok (Jakarta), Tanjung Perak (Surabaya), or direct transshipment to remote berths in Morowali, Kolaka, or Weda Bay requires meticulous breakbulk shipping protocols. All Ruitu equipment is packed according to seaworthy export standards with desiccants and moisture-barrier shrink wraps.
Our experienced commissioning engineers deploy on-site to handle leveling, weld inspection, NDT verification, dry run testing, and wet chemical start-up. We provide localized operational SOPs, safety protocols for hot brine handling, and comprehensive technical training for Indonesian chemical operators and instrumentation technicians.
Complete your calcium chloride or salt-chemical project line with our high-grade PTFE-lined fluid controls, separation centrifuges, and bulk conveying machinery built for continuous heavy chemical service.
High-volume carbon steel vessels with thick-wall PTFE/PFA sheet lining, designed for HCl digestion of limestone and acidic brine storage without metal contamination.
Seamless PTFE-lined piping network capable of handling 38% calcium chloride brine and concentrated hydrochloric acid at temperatures exceeding 130°C.
High-efficiency thermal drying systems engineered with specialized internal flight designs for rapid moisture removal in both crude salt and calcium chloride processing.
Continuous dewatering centrifuge designed for high-solid chloride slurry separation, delivering cake dryness with low mother-liquor carryover and high throughput.
Bidirectional tight-shutoff butterfly valves with virgin PTFE encapsulation, suitable for manual, pneumatic, or electric control in corrosive chemical loops.
Enclosed corrosion-proof belt conveyors with salt-resistant vulcanized belting and stainless-steel idlers for transporting damp limestone, crude salt, and finished crystals.
Variable-frequency metering auger feeders ensuring airtight, dust-free transfer of hot calcium chloride flakes and anhydrous pellets directly into bagging bins.
High-integrity check valves engineered to eliminate backflow in aggressive acid digestion lines and hot brine transfer pumps across multi-effect evaporation stations.
Key engineering criteria, feedstock considerations, and project timelines clarified by Ruitu's chemical engineering specialists.
In Indonesia, two primary raw material routes dominate: (1) Hydrochloric Acid (HCl) + Limestone (CaCO₃), leveraging domestic limestone deposits in Central/East Java and by-product HCl from chlor-alkali or PVC operations; and (2) Distillation By-Products from Soda Ash / Solvay Process Effluents. Our modular digestion and purification reactors are equipped to accept either route, including automated neutralization loops that neutralize acidity and remove magnesium, iron, and heavy metals prior to concentration.
Calcium chloride is extremely hygroscopic, and ambient humidity above 80% (standard in maritime Southeast Asia) causes rapid deliquescence. Our engineering solution includes: (a) Secondary cooling beds that reduce product temperature below 42°C before packing; (b) Positive-pressure dehumidified air locks in conveyor transitions; (c) Closed automated Form-Fill-Seal (FFS) packaging systems utilizing laminated bags with heavy-duty heat-sealed PE inner liners. This guarantees an export shelf life exceeding 18 months without clump formation.
At operating temperatures between 80°C and 165°C, hot calcium chloride solutions aggressively attack standard carbon steels and 304/316 stainless steels via chloride stress corrosion cracking (CSCC). Ruitu utilizes Pure Titanium (Grade 2 or Grade 7) for evaporator tubes and vapor ducts, Hastelloy C-276 for high-shear impellers, and rotomolded PTFE/PFA fluoropolymer liners for all process piping, extraction vessels, and control valves.
A standard 50 TPD to 200 TPD turnkey plant requires approximately 4 to 6 months for engineering, skid fabrication, and factory pre-commissioning in China, followed by 3–4 weeks for maritime transport to major Indonesian ports (Jakarta, Surabaya, Makassar). On-site installation, pipe-rack integration, civil interface alignment, and commissioning take roughly 6 to 8 weeks, managed on-site by our dedicated international engineering team.
Yes. Pressure vessels and heat exchangers can be supplied under ASME Section VIII Div. 1, CE/PED, and GB 150 standards. Instrumentation is provided with ATEX/IECEx explosion-proof ratings suitable for hazardous zones in chemical and petrochemical facilities. Finished calcium chloride outputs conform to SNI 06-2108-1991, ASTM D98-15, and Food Chemicals Codex (FCC) specifications.
Using Ruitu's high-efficiency Mechanical Vapor Recompression (MVR) falling film evaporation technology, electrical power consumption ranges between 35 to 55 kWh per metric ton of water evaporated. Steam is only required for initial start-up, effectively eliminating continuous boiler fuel costs. For traditional triple-effect thermal concentration, steam consumption averages 0.38 to 0.45 tons of steam per ton of water evaporated.
Contact our chemical process engineering team today for customized mass-energy balance calculations, raw material test reviews, and budgetary proposals tailored to your site requirements.