fluoride removal from drinking water by activated alumina

См. также в других словарях:

• Activated alumina — is manufactured from aluminium hydroxide by dehydroxylating it in a way that produces a highly porous material; this material can have a surface area significantly over 200 square metres/g. The compound is used as a desiccant (to keep things dry… …   Wikipedia

• Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …   Wikipedia

• Arsenic contamination of groundwater — is a natural occurring high concentration of arsenic in deeper levels of groundwater, which became a high profile problem in recent years due to the use of deep tubewells for water supply in the Ganges Delta, causing serious arsenic poisoning to… …   Wikipedia