AWC provides cleaning chemicals for removal of severe organic foulants from ultrafiltration (UF) and microfiltration (MF) systems.
| Product | Description | Benefits | Applications |
|---|---|---|---|
| AWC UF-405 | Low pH powder MF/UF cleaning compound . | Effectively dissolves & chelates iron, aluminium & other metal oxides. | For dissolution of carbonate & phosphate scales. |
| AWC UF-426 | High pH powder MF/UF cleaning compound. | Penetrates & lifts biofilms, organic foulants, oils, greases & other hydrocarbons. | Disperse inorganic particles such as silts, clays & other colloidal particles. |
| AWC UF-428 | Powder formulation containing chlorine, dispersants, surfactants and other cleaning compounds. | Penetrates and removes heavy organic foulants and biological slime. Disperses inorganic particulates such as silts, clays and other colloidal particles. Dissolves metal hydroxides from coagulants. Buffered to maintain target pH range even when product is accidentally overdosed. | Specifically designed for cleaning microfiltration (MF) and ultrafiltration (UF) surfaces and pores. |
| AWC UF-429 | Powder formulation containing chlorine, dispersants, surfactants and other cleaning compounds. | Penetrates and removes heavy organic foulants and biological slime. Disperses inorganic particulates such as silts, clays and other colloidal particles. Dissolves metal hydroxides from coagulants. Buffered to maintain target pH range even when product is accidentally overdosed. | Specifically designed for use with PVDF microfiltration (MF) and ultrafiltration (UF) membranes. |
Product and customer insights
Despite numerous cleanings, the productivity of the Reverse Osmosis plant would not recover from severe membrane fouling. The membrane autopsy revealed that the ferric hydroxide was seeding
silica polymerization and that even while the ferric hydroxide was removed, the silica scaling was continuing to grow.
The plant was experiencing weekly shutdowns for fiber clean up (~ 3 kg bags of matted slurry is cleaned per week). The shut downs were costly as they reduce plant availability for production.
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AWC A-110 effectively inhibited scale at a dosage of 3.5 ppm and an operating pH of 6.9. This increase in operating pH reduced the district’s annual acid consumption by ~$350K per year based on their current production.
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MCI® -2020 V/O and ChemMaster’s Colorsil were chosen to repair and protect the walls based on their 20 year warranties and the fact that together they could fulfill the other specified repair design requirements.
The East Hokkaido region is known to have the highest volume of potato product in Japan. Unfortunately, a potato farmer in the area was experiencing a high rate of potato scab infection in his agricultural field.
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