Hoyoshee Chemical industrial Co.Ltd
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability | 500 Ton/Month |
| Delivery Time | 5-8 working days |
| Packaging Details | 1kg;|25kg;|100kg |
| form | powder |
| color | light white |
| density (20℃)g/cm³ | 2.13 g/cm³ |
| PH(use range) | 2.5-5.5 or 11.0-12.0 |
| storage | at room temperature |
| solid content | ≥95.0% |
| Brand Name | HOYOSHEE |
| Model Number | HYX-WT05 |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Supply Ability | 500 Ton/Month |
| Delivery Time | 5-8 working days | Packaging Details | 1kg;|25kg;|100kg |
| form | powder | color | light white |
| density (20℃)g/cm³ | 2.13 g/cm³ | PH(use range) | 2.5-5.5 or 11.0-12.0 |
| storage | at room temperature | solid content | ≥95.0% |
| Brand Name | HOYOSHEE | Model Number | HYX-WT05 |
| High Light | Acidic Cleaners Reverse osmosis cleaning agent ，Powder form RO cleaning agent ，Solid content ≥95.0% Water treatment chemical | ||
Reverse osmosis (RO) cleaning agents are specialized chemical formulations used to restore the performance of RO membranes by removing accumulated foulants. Over time, all RO systems experience fouling—the buildup of inorganic scales, organic matter, microorganisms, and colloidal particles on the membrane surface. This fouling manifests as decreased permeate flow, increased salt passage, or elevated differential pressure. Regular cleaning with appropriate agents is essential to maintain system efficiency and extend membrane life.
Fouling is inevitable in RO operations. Symptoms indicating the need for cleaning include:
| Symptom | Description |
|---|---|
| Decreased normalized permeate flow | Reduced water production |
| Increased salt passage | Lower product water quality |
| Increased differential pressure | Higher pressure drop across membranes |
If left unaddressed, severe fouling can cause irreversible membrane damage. Proper cleaning restores system performance, reduces energy consumption, decreases cleaning frequency, and extends membrane life.
RO cleaning agents are classified primarily by their chemical properties (pH), which determines their target foulants.
Core Feature: Low pH value (typically 2.0–4.0), formulated with organic or inorganic acids (e.g., citric acid, hydrochloric acid) and chelating agents.
Target Foulants:
Applications: Systems with high hardness feed water, groundwater sources, industrial cooling water, and systems with corroded pipelines.
Product Examples: RoClean L504 (Kurita), OptiClean™ A+ (PWT), MAX-GUARD 200 (Fairbanks Morse), MCH 3181 (CESE2)
Core Feature: High pH value (usually 9.0–12.5), composed of alkaline agents (sodium hydroxide, potassium hydroxide), surfactants, dispersants, and sometimes chelating agents.
Target Foulants:
Applications: Systems with high organic content in feed water (surface water, municipal wastewater reuse), and systems experiencing biofouling.
Product Examples: RoClean L511 (Kurita), OptiClean™ B+ (PWT), HDC-ALK-003 (Hatenboer-Water), MAX-GUARD 201 (Fairbanks Morse)
Core Feature: Near-neutral pH (8.0–9.0), formulated with enzymes that break down biological components.
Target Foulants:
Advantages: Cleaning at moderate pH conditions extends membrane life; enzymes are biodegradable and environmentally friendly.
Product Examples: OptiClean™ N+ (PWT), Tergazyme® (Alconox)
| Cleaner Type | pH Range | Primary Target Foulants | Key Components |
|---|---|---|---|
| Acidic | 2.0–4.0 | Inorganic scales (carbonates, sulfates), metal oxides, iron deposits | Acids (citric, HCl), chelating agents |
| Alkaline | 9.0–12.5 | Organic matter, biofouling, colloids, silt | NaOH/KOH, surfactants, dispersants |
| Enzyme-Based | 8.0–9.0 | Biofilm, protein-based foulants, microbiological matter | Proteases, other enzymes |
| Form | Advantages | Applications |
|---|---|---|
| Liquid | Ready to dilute, easy to dose, uniform concentration | Industrial RO systems, large-scale operations |
| Solid (Powder/Granule) | High concentration, small volume, low transport cost, long shelf life | Remote areas, small-scale systems, commercial RO units |
For membranes with mixed fouling (both inorganic and organic/biological), a two-step process is recommended:
This sequence prevents organic matter from interfering with scale removal.
| Parameter | Recommendation |
|---|---|
| Dilution Ratio | Typically 2–3% or 5–10% depending on product |
| pH Monitoring | Measure pH every 5–20 minutes during cleaning until stable |
| Rinsing | Thorough rinse after cleaning; monitor TOC or conductivity to ensure complete removal |
| Temperature | Follow membrane manufacturer temperature limits; do not exceed specified temperature |
A 2024 study comparing cleaning strategies found that alkaline cleaning with NaOH/SDS (sodium dodecyl sulfate) more than doubled normalized flux compared to untreated membranes, demonstrating superior cleaning efficiency for biofouling.
Modern RO cleaning agents increasingly focus on reduced environmental impact:
| Feature | Benefit |
|---|---|
| Phosphorus-free | Precludes eutrophication concerns |
| EDTA-free | Avoids persistent chelating agents |
| Low aquatic toxicity | Reduced impact on aquatic life |
| Enhanced biodegradability | Faster breakdown in environment |
| No bioaccumulation tendency | Safer for ecosystems |
Products such as RoClean L504 and L511 meet these environmental criteria and are approved for use in highly regulated offshore energy operations (North Sea).
For drinking water applications, select cleaners with certifications such as:
| Certification | Description |
|---|---|
| ANSI/NSF Standard 60 | Drinking water treatment chemicals — health effects |
| ANSI/NSF/CAN Standard 60 | Canadian equivalent certification |
| Nordic Swan Ecolabel | Nordic environmental certification |
| OSPAR Compliance | Offshore energy industry regulations |
Company Details
Business Type:
Manufacturer
Year Established:
2010
Total Annual:
3000W-0.2B
Employee Number:
100~500
Ecer Certification：
Verified Supplier
Hunan Hoyoshee Chemical Industrial Co.Ltd was established in 2019, it is a high-tech enterprise that integrates scientific research, development, design, production, sales, and technical consulting services. The company's annual production of 15000 tons of new materials and water treatment agen... Hunan Hoyoshee Chemical Industrial Co.Ltd was established in 2019, it is a high-tech enterprise that integrates scientific research, development, design, production, sales, and technical consulting services. The company's annual production of 15000 tons of new materials and water treatment agen...
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