Importing Wastewater Equipment from China: Buyer Checklist
A practical checklist for importing wastewater equipment from China: RFQ data, power supply, materials, FAT, packing, Incoterms, spares and warranty.
Engineering blog
Guides for buying and running treatment equipment
Written by the engineers who size our equipment. No fluff — the numbers, trade-offs and questions that decide a purchase.
Manure Composting Fermentation Tanks: In-Vessel Process Guide
How vertical in-vessel fermentation tanks turn livestock and poultry manure into organic fertilizer: moisture, C/N ratio, cycle time and odor control.
On-Site Sodium Hypochlorite Generator Guide: vs Bleach and Gas
How on-site electrolytic sodium hypochlorite generators compare with delivered bleach and chlorine gas for safety, salt and power use, and maintenance.
Lamella Clarifier Design Basics: Plates, Angles and Loading
How inclined plate and tube settlers work, how projected area and surface loading set capacity, why 55–60° plates are used, and key design checks.
How Dissolved Air Flotation Works: DAF vs CAF vs Shallow DAF
How DAF works, how it compares with cavitation and shallow air flotation, which chemicals it needs, where it is used and what drives sizing.
Rotary Drum Filter Mesh Selection: Choosing the Right Micron
How rotary drum filters and micro screens work, how to choose mesh size in microns, and how to apply them in RAS aquaculture, paper mills and pretreatment.
MBR vs MBBR vs A2O: Choosing a Package Sewage Treatment Plant
Compare MBR, MBBR and A2O package sewage plants for villages, hotels, hospitals and factories by effluent quality, footprint, energy and maintenance.
Medical Waste Incinerator Buyer's Guide: Specs That Matter
How to specify a medical waste incinerator: dual chambers, secondary chamber temperature and residence time, burners, flue gas treatment, sizing and ash.
Sludge Dewatering Machine Selection: Screw Press vs Filter Press
Compare screw press, belt filter press, decanter centrifuge and plate & frame filter press by cake dryness, energy, footprint and best-fit sludges.
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