AI Wastewater Treatment Cases - Page 8

Sludge Incineration

Flue gas and ash from sludge incineration: which TEQ does "0.1 ng TEQ/m³" refer to, and which standard's 850°C does "850°C" refer to?

Nationwide multi-industry (municipal wastewater plant sludge / printing and dyei

Pilot to engineering scale (70 t/d to 4000 t/d incineration lines; sludge drying

Debates over sludge incineration almost always focus on whether the furnace can sustain combustion, but what truly determines whether the line passes acceptance and whether operating costs stay high comes down to three conflated definitions: ① whether the

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Biological Treatment

The "salinity red line" in biological treatment of high-salinity wastewater: 1%, 3%, and 22 g/L are all correct, because they are not the same thing.

Multiple industries nationwide (leather tanning / pickled and mustard tuber food

Pilot to full-scale engineering (125 m³/d concentrate to 37,500 m³/d scale)

The salinity tolerance upper limits for the biochemical treatment of high-salinity wastewater vary by source, with figures such as 1%, 2%, 3%, 10 g/L, 22 g/L, and 33 g/L—differing by an order of magnitude. The reason is that four sets of criteria are bein

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Desulfurization Wast

Desulfurization wastewater three-compartment tank: the dosing sequence is pulled in three directions simultaneously by three objectives, and chloride ions simply cannot be removed.

Nationwide multi-industry (thermal power / combined heat and power / iron and st

Pilot to engineering scale (3–30 m³/h per single three-compartment tank unit, ZL

The "triple tank" in wet flue gas desulfurization wastewater from thermal power plants is not a general-purpose neutralization tank, but rather a dosing sequence pulled simultaneously by three objectives: raising pH to around 9 to precipitate heavy metals

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Membrane Fouling Con

Membranes Are Not Worn Out by Abrasion, but by Cleaning: RO/UF Fouling Diagnosis and Cleaning Correction

Multiple industries nationwide (petrochemical/coal chemical/power/printing and d

Pilot to full-scale engineering (tens to tens of thousands of m³/d)

The lifespan of membrane elements is often not determined by operating hours, but by fouling and cleaning. From an operations and maintenance perspective, this article breaks down the four types of fouling in UF/RO systems (colloidal particles, organic ad

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Landfill Leachate Tr

Leachate "compliance" only treats the water: the concentrate keeps salts circulating within the system.

Nationwide multi-industry (domestic waste landfill sites / incineration plants /

Pilot to full-scale engineering (tens to thousands of m³/d, with the largest sin

In landfill leachate treatment, the thing most easily glossed over is this: the "compliance" of MBR + Nanofiltration + Reverse Osmosis only delivers half the story—the permeate. Membranes do not degrade pollutants; they merely move them from the permeate

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Coking Wastewater Tr

Coking wastewater: Phenol and ammonia undermine each other in the same tank—meeting COD standards does not mean it is safe to discharge.

Multiple industries nationwide (independent coking plants / coking divisions of

Pilot to full-scale engineering (tens to thousands of m³/d; typically 1200–5000

Coking wastewater is classified within the industry as a typical case of "high concentration, high ammonia nitrogen, and recalcitrance," but the real engineering bottleneck is neither the removal of phenol alone nor the removal of ammonia alone. It is the

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