Q1:Do you provide samples? is it free or extra? A:Yes, we could offer the sample for free charge via FedEx, DHL, TNT, UPS or EMS. but don't pay the cost of freight.
Q2: What's your payment terms? A: T/T in advance are highly recommended. We can accept LC, Western Union as well. TT will be more appreciated. 30% deposit before producing, 70% balance before loading by TT.
Q3:What is the delivery time? A:It depends on order quantities. Generally speaking, for sample, in about 3 working days after payment; for larger orders, with 7-15 working days upon receipt of your payment (or LC).
Chlorine is one of the most commonly used disinfectants for water disinfection. ... chlorine gas is only used for large municipal and industrial water purification
Chlorination | Water Purification | Chlorine - WaterProfessionals
Chlorination involves adding a measured amount of chlorine to water to produce a residual sufficient to kill bacteria, viruses, and cysts. The killing effect of chlorine
Water Purification :: Washington State Department of Health
Purifying by adding liquid chlorine bleach. Treat water by adding liquid household bleach, such as Clorox or Purex. Household bleach is typically between 5.25 percent and 8.25 percent chlorine. Avoid using bleaches that contain perfumes, dyes and other additives. Cloudy water should be filtered before adding bleach
As everyone knows, many municipal water systems use chlorine to disinfect water. Often, the use of chlorine is combined with other purification systems such as
Water chlorination is the process of adding chlorine or chlorine compounds such as sodium ... Chlorine gas was first used on a continuing basis to disinfect the water supply at the Belmont filter plant, Philadelphia, Pennsylvania by using a
What is Chlorination? — Safe Drinking Water Foundation
Jan 23, 2017 - Chlorination is one of many methods that can be used to disinfect water. This method was first used over a century ago, and is still used today
Emergency Disinfection of Drinking Water | Ground Water and
Sep 7, 2017 - Disinfect water using household bleach, if you can't boil water. Only use regular, unscented chlorine bleach products that are suitable for
China Chemicals Used To Purify Water Supplier
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