Advanced Air Flotation Equipment for Wastewater Treatment Solutions 3m3/H

Product Description

Product Description

HONCO Water Doctor Dissolved Air Flotation (DAF) Machine (Model: HC-DAF Series) — a highly efficient solid-liquid separation device for industrial and municipal wastewater treatment. The system introduces microbubbles (20–40μm diameter) that adhere to suspended particles, colloids, and emulsified oils, causing them to float to the surface for removal by a mechanical scraper.

Specification

Treatment Performance:
Oil & grease removal: >95% (effluent oil <10 mg/L)
SS removal: >90%
COD removal: 60–70% (with coagulant aid)
BOD removal: ~50%
Colority removal: ~90% (textile dyeing)
Heavy metal removal: >70% (total ion conc. <50 PPM)
Fiber recovery: ~95% (paper white water)

Parameter	Specification
Treatment Capacity	1 ~ 100 m³/h
Material	Anti-corrosion carbon steel / SS304 / SS316L
Overall Dimensions	L 2.9m ~ 12m × W 1.5m ~ 3m × H 1.6m ~ 2.8m
Operational Power	0.5 ~ 5 kW
Microbubble Diameter	20–40 μm
Dissolved Air System	Multi-phase mixed air flotation pump (no air compressor needed)
Power Supply	380V (±10%), 50Hz
Surface Loading Rate	3–8 m³/m²·h
Hydraulic Retention Time	15–30 min
Control Mode	Auto / PLC optional
Scum Removal	Chain-type mechanical scraper
Chemical Dosing	PAC + PAM dosing system included

Working process

The air flotation machine operates primarily based on the principle of dissolved air flotation (DAF). Under specific pressure, air is dissolved into water through a dissolved air system to form saturated dissolved air water. When the dissolved air water is abruptly depressurized via a release device, the supersaturated air in the water is released as microbubbles, typically measuring 20–40 micrometers in diameter. These microbubbles rapidly adhere to pollutants such as suspended particles, colloids, and emulsified oil droplets in the wastewater, reducing the overall density of the pollutants below that of water. As a result, buoyancy causes the pollutants to float to the water surface, forming a scum layer, which is then scraped off by a scum removal device to achieve solid-liquid separation. The purified water is discharged from the bottom of the equipment.

Company Capabilities

Founded in 2010, Shandong HONCO Hydropower Equipment Co., Ltd. is a National High-Tech Enterprise with over 66,00 manufacturing facility and 12,00 modern factory. We hold ISO, CE, 3C, and multiple industry certifications.
 
National High-Tech Enterprise
Shandong Gazelle & Specialized Enterprise
 Registered Capital: 111 Million RMB
15+ Years OEM/ODM Experience
Export to 30+ Countries
 24/7 Online Technical Support

Company Profile

Packaging & Shipping

FAQ

Q1: Single-Stage vs. Double-Stage RO?

A: Single-stage RO achieves ≥97% desalination with TDS ≤10 ppm, suitable for drinking water, food processing, and general industry. Double-stage RO reaches ≥99.5% desalination with TDS ≤2 ppm, ideal for pharmaceutical, medical, laboratory, and semiconductor applications.

Q2: What is the MOQ?

A: MOQ is 1 set. As a direct manufacturer, HONCO supports both pilot projects and large-scale orders.

Q3: Can the system be customized?

A: Yes. We customize systems based on water quality, capacity requirements, local standards, and site conditions. Simply provide your water analysis report.

Q4: What is the lead time?

A: Standard systems: 10–15 working days. Customized systems: 15–25 working days. We support FOB, CIF, CFR, and door-to-door shipping worldwide.

Q5: What payment terms do you accept?

A: Standard terms are T/T 30% deposit + 70% before shipment, or L/C at sight. Flexible terms may be available for long-term partners and large projects.

Q6: Do you provide installation services?

A: Yes. We offer on-site installation, commissioning, operator training, remote guidance, and 24/7 technical support.

Q7: What warranty and support are provided?

A: Warranty is 12 months from commissioning or 18 months from shipment. We provide lifetime spare parts supply, remote diagnostics, and online technical support.

Q8: What certifications does HONCO have?

A: ISO9001, ISO14001, ISO45001, 3C Certification, Environmental Protection Engineering Qualification, National High-Tech Enterprise, and Shandong Gazelle Enterprise.

Q9: Which membrane brands are available?

A: Dow (DuPont), Hydranautics, Vontron, and Toray. Membrane selection is based on water quality and project budget.

Q10: How long do RO membranes last?

A: Typically 3–5 years with proper pretreatment and maintenance. Automatic flushing and CIP systems help extend membrane life.