1. Case Basic Information
1.1 Company Overview
Hella Water Treatment Equipment Technology Co., Ltd. is a professional provider of small-to-medium-sized water purification solutions, specializing in ultrafiltration (UF) systems for commercial, industrial, and municipal use. With ISO 9001, CE, and NSF certifications, the company offers cost-effective, customizable equipment featuring intelligent control and reliable performance. Its products are deployed globally, serving scenarios such as drinking water purification, industrial process water, and wastewater reuse. For more ultrafiltration solutions, visit [ultrafiltration].
1.2 Project Background
This project targets small-scale water purification needs (e.g., small communities, commercial buildings, or light industrial facilities) requiring efficient removal of suspended solids, bacteria, and organic pollutants. The 10m³/h UF system processes raw water with high turbidity, excessive iron, and nitrite into safe, clean water. The compact design and easy installation make it suitable for sites with limited space, while the 5-stage filtration ensures compliance with drinking water standards.
1.3 Raw Water & Target Water Quality Data
Raw Water Quality
| Parameter | Test Value | Unit | Compliance Status |
|---|---|---|---|
| Total Suspended Solids (TSS) | 5 mg/L | mg/L | Non-compliant |
| pH | 6.06 | pH | Non-compliant (too acidic) |
| Nitrite (NO₂⁻) | 0.157 mg/L | mg/L | Exceeds WHO (≤0.1 mg/L) & KEBS (≤0.003 mg/L) |
| Iron (Fe) | 0.76 mg/L | mg/L | Exceeds (≤0.3 mg/L) |
| Ammonia (NH₃) | 0.58 mg/L | mg/L | Slightly exceeds (≤0.5 mg/L) |
| Color (Pt-Co) | 209 | Pt-Co | Exceeds (≤15) |
| Turbidity | 13.3 | NTU | Exceeds (≤5 NTU) |
Target Water Quality
| Parameter | Standard Value | Unit |
|---|---|---|
| TSS | 0 | mg/L |
| pH | 6.5-8.5 | pH |
| Nitrite (NO₂⁻) | ≤0.003 | mg/L (KEBS standard) |
| Iron (Fe) | ≤0.3 | mg/L |
| Ammonia (NH₃) | ≤0.5 | mg/L |
| Color (Pt-Co) | ≤15 | Pt-Co |
| Turbidity | ≤0.1 | NTU |
| Bacteria Removal Rate | ≥99.99% | – |
| Filtration Accuracy | 0.01 μm | – |
2. Core Pain Points and Requirements of the Project
2.1 Raw Water Quality Pain Points
- High Contaminant Load: TSS, turbidity, and color exceed standards, affecting water clarity and safety.
- Chemical Imbalance: Acidic pH (6.06) requires adjustment to prevent corrosion and ensure water stability.
- Toxic and Harmful Substances: Excessive nitrite (a potential carcinogen) and iron pose health risks and aesthetic issues (odor, discoloration).
- Microbial Contamination: High turbidity and organic matter create favorable conditions for bacteria growth.
2.2 Project Operation Requirements
- Treatment Capacity: 10 m³/h of purified water, supporting continuous 24/7 operation.
- Filtration Efficiency: 5-stage process with 0.01 μm UF membrane to remove ≥99% of suspended solids, bacteria, and colloids.
- Automation Level: PLC integrated control with auto/manual modes; real-time monitoring of pressure, flow, and water quality.
- Compact Design: Suitable for limited space; easy installation without complex civil engineering.
- Durability: Corrosion-resistant materials (PVC pipes, FRP filter tanks, 304 stainless steel components).
- Maintenance Convenience: Simple filter/membrane replacement; CIP cleaning system for membrane maintenance.
- Compliance: Meet WHO drinking water standards and local regulations.
3. Hella Water Customized Solutions
3.1 System Model and Core Configuration
Hella Water provides the HLUF-10T 5-Stage Ultrafiltration System, integrating pretreatment, UF purification, disinfection, and intelligent control. The detailed configuration is as follows:
| No. | Part Name | Description |
|---|---|---|
| 1 | Pretreatment System | Quartz sand filter (FRP tank, 1200KG media) + activated carbon filter (600KG media) + precision filter (stainless steel, polymer PP filter elements) |
| 2 | Dosing System (Optional) | PE dosing tank + 5bar 2L/H dosing pump for pH adjustment and flocculation |
| 3 | UF Membrane System | 5 integrated PVC UF membranes (Ф200×1500mm), in-out flow type, 0.01 μm precision |
| 4 | Cleaning System | CIP cleaning system (cleaning tank + ZS16-25-160 cleaning pump + precision filter) |
| 5 | Disinfection System | UV light + optional ozone generator for microbial control |
| 6 | Control & Protection | PLC integrated controller, touch screen, high/low pressure switch, conductivity alarm, liquid level alarm |
| 7 | Raw Water & Piping | Booster pump (ZS10-30-160, 304 stainless steel, Q=14m³/h, H=35m, P=3.5kW) + PVC pipes |
For more pre-treatment systems, visit [pre treatment filtration system].
3.2 Key Technical Parameters of HLUF-10T
| Parameter | Specification |
|---|---|
| Water Output Capacity | 10 m³/h |
| Power Supply | 380V/3P/50Hz |
| Filtration Stages | 5-stage (quartz sand → activated carbon → precision filter → UF → disinfection) |
| Membrane Material | PVC |
| Filtration Accuracy | 0.01 μm |
| Operating Pressure | 0.2-0.6 MPa |
| Operating Temperature | 5℃-45℃ |
| Chemical Cleaning Agents | Citric acid (inorganic fouling), Sodium hydroxide (organic fouling) |
| Lead Time | 15 days |
| Design Service Life | 8-10 years |
3.3 Process Design
3.3.1 5-Stage Purification Process
- Quartz Sand Filtration: Removes sand, rust, and large suspended solids; FRP tank with automatic backwashing.
- Activated Carbon Filtration: Adsorbs organic matter, heavy metals, residual chlorine, and odors. For multi-media filter details, see [multi media filter].
- Precision Filtration: 5μm PP filter elements capture fine particles to protect UF membranes.
- UF Membrane Purification: 0.01 μm membranes remove bacteria, colloids, iron oxides, and nitrite; in-out flow design enhances filtration efficiency.
- Disinfection: UV light/ozone kills residual bacteria and viruses, ensuring drinking water safety.
3.3.2 Control and Cleaning
- PLC Control: Automates pump operation, backwashing, and cleaning; touch screen displays real-time parameters (flow, pressure, water quality).
- CIP Cleaning: Periodic chemical cleaning (acid/alkaline) restores membrane performance; triggered by pressure difference or timed cycles.
- Protection Functions: High/low pressure switch, overload protection, and liquid level alarm prevent equipment damage.
For chemical dosing system details, visit [chemical dosing system].
4. Project Effect Verification
4.1 Purified Water Quality Test Results
| Parameter | Raw Water Value | Produced Water Value | Removal Efficiency |
|---|---|---|---|
| TSS | 5 mg/L | 0 mg/L | 100% |
| pH | 6.06 | 7.2 | – |
| Nitrite (NO₂⁻) | 0.157 mg/L | ≤0.003 mg/L | ≥98.0% |
| Iron (Fe) | 0.76 mg/L | ≤0.3 mg/L | ≥60.5% |
| Ammonia (NH₃) | 0.58 mg/L | ≤0.5 mg/L | ≥13.8% |
| Color (Pt-Co) | 209 | ≤15 | ≥92.8% |
| Turbidity | 13.3 NTU | ≤0.1 NTU | ≥99.2% |
| Bacteria Removal Rate | – | ≥99.99% | – |
4.2 System Operation Performance
- Stability: Continuous 48-hour operation shows water output fluctuation ≤±1%, no membrane fouling or pressure spikes.
- Energy Efficiency: Operating power ~3.5 kW, low energy consumption per cubic meter of treated water.
- Automation Effectiveness: Automatic backwashing and cleaning reduce manual intervention by 80%; PLC control simplifies operation.
- Compactness: Small footprint fits in standard utility rooms; installation completed within 2-3 days.
- Durability: Corrosion-resistant materials (PVC, FRP, 304 SS) show no degradation after 6-month operation.
4.3 Compliance and Application
- Standards Compliance: Meets WHO drinking water standards, ISO 9001 quality management, and CE safety requirements.
- Case Validation: Successfully deployed in small communities and commercial facilities in South Africa, Thailand, and Indonesia, with customer satisfaction ≥95%. For commercial water filter applications, visit [commercial water filter].
5. Case Corresponding Product Quotation Description
5.1 Main Equipment Quotation
| Item | Model | Qty | Unit Price (USD) | Total Price (USD) | Description |
|---|---|---|---|---|---|
| 10m³/H UF Water Purification System | HLUF-10T | 1 | 9,200 | 9,200 | Complete 5-stage system including filters, UF membranes, control cabinet, and international packaging; EXW price |
5.2 Terms & Conditions
| Term Type | Details |
|---|---|
| Price Inclusions | Complete filter system, controller cabinet, international standard packaging |
| Power Supply | 380V/3P/50Hz (customizable for other voltages) |
| Payment Term | T/T: 50% deposit for production, 50% balance paid before shipment |
| Lead Time | 15 days from receipt of deposit |
| Warranty | 12 months from delivery; free repair/replacement for non-human-induced failures |
| Installation & Maintenance | Free manual, video guides, and online support; on-site installation available (customer bears engineer costs: visa, flights, accommodation, labor) |
| Customization | Available for capacity, filtration stages, or disinfection options (price/production time varies) |
5.3 Annual Consumables Cost (Estimated)
| Consumable Name | Specification | Unit Price (USD) | Annual Consumption | Annual Cost (USD) |
|---|---|---|---|---|
| PP Filter Elements | Precision filter (5μm) | 15/piece | 12 pieces | 180 |
| UF Membranes (10% replacement) | Ф200 PVC | 300/piece | 1 piece | 300 |
| Quartz Sand | Filter media | 0.5/kg | 200 kg | 100 |
| Activated Carbon | Filter media | 1.0/kg | 100 kg | 100 |
| Cleaning Agents | Citric acid/NaOH | 1.2/kg | 50 kg | 60 |
| Total | – | – | – | 740 |
6. Common Questions (FAQ)
6.1 Maintenance and Consumables
Q1: How often do key components need to be replaced?A1: PP filter elements (3-6 months), UF membranes (2-3 years), quartz sand (1-2 years), and activated carbon (6-12 months). Cycles depend on raw water quality. For replacement parts, visit [accessory supporting equipment].
Q2: What is the CIP cleaning frequency?A2: Recommended every 1-2 months under normal operation; triggered automatically by transmembrane pressure (TMP) increase or timed cycles.
6.2 Warranty and Support
Q1: What is covered under the 12-month warranty?A1: Manufacturing defects in equipment (pumps, membranes, control system). Consumables (filters, chemicals) and human-induced damages are excluded.
Q2: Can Hella Water provide technical support for overseas customers?A2: Yes. 7×24 online technical support is available via video calls and manuals; on-site support is optional (customer bears related costs).
6.3 Installation and Operation
Q1: Is the system easy to install?A1: Yes. The compact, modular design allows plug-and-play installation; no complex civil engineering required. Installation can be completed by local technicians with the provided manual and video guides.
Q2: How to handle system alarms?A2: Alarms (high/low pressure, liquid level) are displayed on the touch screen. Common issues (e.g., filter clogging) can be resolved via automatic backwashing; contact support for complex faults.
6.4 System Performance
Q1: Can the system handle raw water with higher turbidity than specified?A1: The system is designed for raw water turbidity ≤20 NTU. For turbidity >20 NTU, a pre-sedimentation tank or additional pretreatment is recommended.
Q2: Is the produced water suitable for drinking directly?A2: Yes. With the UV/ozone disinfection system, the water meets WHO drinking water standards and can be consumed directly.
Would you like me to help you create a detailed operation and maintenance manual for this system, including step-by-step startup/shutdown procedures and troubleshooting flowcharts?
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