Calcium hypochlorite for water treatment
Keyword:
Calcium hypochlorite for water treatment
Classification:
Use and properties: CALCIUM HYPOCHLORITE has efficient bleaching, disinfection and sterilization, and is widely used in papermaking, bleaching of cotton and hemp fabrics, industrial sewage treatment and industrial manufacturing intermediates, drinking water and aquaculture disinfection, public sanitation, food industry bacteria control. it can also be applied to the home disinfection, and can be used as raw materials for chemical agents in military industry. The bleaching powder has the advantages of high concentration, strong stability, easy preservation and convenient
Details Introduction
Use and properties
UNNO.：2880
HS CODE：28281000
CAS NO.：7778-54-3
CALCIUM HYPOCHLORITE(SODIUM PROCESS) | ||||
QUALITY STANDARD |
| QUALITYSTANDARD | ||
ITEM | EXCELLENCE | FIRSTCLASS | QUALIFIED | |
ACTIVE CHLORINE(%)≧ | 70 | 67 | 65 | |
GRANULARSIZE (12目~28目）≥ | 90 | 90 | 87 | |
MOISTURE (%) | 5.5-10 | 5.5-10 | 5.5-10 | |
Use and properties:
CALCIUM HYPOCHLORITE has efficient bleaching, disinfection and sterilization, and is widely used in papermaking, bleaching of cotton and hemp fabrics, industrial sewage treatment and industrial manufacturing intermediates, drinking water and aquaculture disinfection, public sanitation, food industry bacteria control. it can also be applied to the home disinfection, and can be used as raw materials for chemical agents in military industry. The bleaching powder has the advantages of high concentration, strong stability, easy preservation and convenient
Usage:
1.Add 100Kg of calcium hypochlorite into1000Kg of water to make bleaching liquid containing 6% of active chlorine
2.Add l.8g of calcium hypochlorite into 1000 Kg of water to make disinfected water containing lppm of active chlorine.
Transportation. Dosage for general disinfection：
| Disinfect objects | active chlorine（PPM） | Disinfection time | Disinfection method |
| General object surfaces | 250-500 | 10-30 | Wipe down, rinse, soak |
| Fabric | 250-400 | 20 | Rinse with water after soaking |
| Drinking water | 0.3-0.5 | ≧30 | Dissolve first and use clear solution |
| Fruit | 100-200 | 10 | Wash, soak, rinse first |
| Sewage | 4-6 | ≧60 | Direct refill |
| Excreta | 10000-20000 | ≧120 | Mix and stir |
Usage：
(1) Add 1.8g of calcium hypochlorite into 1000Kg of water to make disinfected water containing 1PPM of active chlorine,
(2)Add 100Kg of calcium hypochlorite into 1000Kg of water to make bleaching liquid containing 60000PPM of active chlorine.
The role and performance of calcium hypochlorite in wastewater with ammonia nitrogen exceeding the standard: Functional pharmaceutical products specially developed for biochemically refractory wastewater. The reaction process can be completed in about 5-6 minutes, and the ammonia nitrogen is quickly discharged up to the standard. Compared with other ammonia nitrogen removal agents, it has the advantages of less addition amount and greater removal effect, and effectively reduces the cost of wastewater treatment by tons. It also has auxiliary functions such as decolorization and COD reduction. It is especially suitable for medium and low concentration of electroplating, circuit board, printing and dyeing, leather, food, pharmaceutical process and other industrial wastewater treatment.
Relationship between addition amount and removal rate：
| Dosage of reagent（PPM） | 0PPM | 100PPM | 200PPM | 300PPM | 400PPM | 500PPM | 600PPM |
| Residual ammonia nitrogen（PPM) | 45.5 | 36.7 | 28.5 | 20.4 | 12 | 2.3 | 0 |
It can be seen from the above data that the residual ammonia nitrogen is less and less with the increase of the additive amount. For example, if the ammonia nitrogen after your wastewater treatment is 45PPM, it is recommended to add 0.4 kg of chemicals per ton of water to drop below 15PPM. Of course, because the ammonia nitrogen value in the wastewater will be different, so the dosage will be different.
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