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In water treatment engineering, it is often necessary to carry out a variety of process treatment processes such as neutralization, flocculation, adsorption, sedimentation and filtration. Diatomite has unique physical and chemical properties. Through different modification processes such as crushing, drying, cleaning and calcination... In water treatment engineering, it is often necessary to carry out a variety of process treatment processes such as neutralization, flocculation, adsorption, sedimentation and filtration. Diatomite has unique physical and chemical properties. Through different modification processes such as crushing, drying, selection and calcination
1. Large porosity: diatomite shell wall has large voids and wide surface properties. It can absorb water 2 ~ 4 times its own mass.
2. Diatomite itself has the advantages of light weight, porous, sound insulation, heat resistance, acid resistance, large specific surface area, strong adsorption performance and good suspension performance.
3. Diatomite has good microporous structure, adsorption performance and anti compression performance. It can not only obtain a better flow rate ratio of the filtered liquid, but also filter out fine suspended solids and ensure clarity.
4. Chemical stability: diatomite has good chemical stability and thermal stability.
5. Diatomite has negative potential, large absolute value and strong ability to adsorb positive charge. It has excellent purification effect on sewage.
For example:
In water treatment engineering, it is often necessary to carry out a variety of process treatment processes such as neutralization, flocculation, adsorption, sedimentation and filtration. Diatomite has unique physical and chemical properties. Through different modification processes such as crushing, drying, selection and calcination
Senda diatomite - Functional filler - Physical and chemical indexes | ||||
Item | Index | |||
Model | SD303# | SD307# | SD601# | SD201# |
Grade | Flux roasted product | Flux roasted product | Dried product | Dried product |
Appearance | white | white | Bluish Gray | Grayish yellow |
Form | powder | powder | powder | powder |
Drying reduction w/% | ≤3.0 | ≤3.0 | ≤10.0 | ≤10.0 |
Loss on ignition w/% | ≤0.50 | ≤0.50 | ≤7.0 | ≤7.0 |
Bulk density（g/cm3） | ≤0.65 | ≤0.65 | ≤0.49 | ≤0.49 |
PH（100g/L） | 8-11 | 8-11 | 5-10 | 5-10 |
Whiteness | 83 | 82 | - | - |
SiO2 w/% | ≥90 | ≥90 | ≥80 | ≥75 |
As （mg/kg） | ≤5 | ≤5 | ≤5 | ≤5 |
Pb （mg/kg） | ≤4 | ≤4 | ≤4 | ≤4 |
150 mesh sieve residue wt/% | 11.0 | - | - | - |
300 mesh sieve residue wt/% | - | - | 10.0 | 12.0 |
Median mesh | 200 | 120 | 300 | 300 |
Diatomite safety instructions
Hazard overview
Hazard category: diatomite is not applicable;
Invasion route: inhalation or dust contact with eyes.
Environmental hazards: diatomite is not applicable;
Fire and explosion hazard: diatomite is not applicable;
Health hazards: prolonged and frequent exposure to excessive concentrations of dust from this product (or any other dust hazard) may lead to chronic lung disease. Dust entering the eyes may cause temporary tingling or red eyes. This product has not been listed as a carcinogen by NTP or IARC.
First aid measures
Skin contact: not applicable
Eye contact: flush eyes with plenty of water. If the inflammation persists, consult your doctor.
Rain shall be prevented during transportation. It shall not be transported with contaminated, corrosive or sharp metal objects. It shall be handled with care during loading and unloading. It is not allowed to throw it directly from a high place or lift it with hard objects such as iron hooks, so as to ensure that the outer packaging is intact.
Precautions for diatomite storage
Storage conditions
During storage, the products shall be protected from rain, moisture, sun and corrosion. When stacking, the products shall not directly contact the ground. They shall be stacked on pallets or moisture-proof felt plates, and the stacking layer height shall not exceed 30 layers.
Product specification: 20kg / bag, 25kg / bag, ton bag
Product validity: 36 months
Precautions for transportation: prevent rain during transportation and do not transport with polluting, corrosive or sharp metal objects. Handle with care during loading and unloading. Do not throw it directly from height or lift it with hard objects such as iron hooks, so as to ensure that the outer packaging is intact.
CDMO
