What contaminants can reverse osmosis effectively reduce?

Reverse osmosis is a water treatment process that uses a semi-permeable membrane to remove a wide variety of contaminants from water. This method is particularly effective at filtering out substances based on their size and molecular structure, which allows it to effectively reduce various contaminants.

Arsenic, for instance, is a toxic element that can be harmful even in small concentrations. The reverse osmosis process can separate arsenic from drinking water due to its relatively small molecular size, allowing for significant reduction levels.

Lead is another heavy metal often found in water supplies due to corrosion of pipes and other infrastructure. The reverse osmosis filtration system is capable of filtering out lead, which is critical for ensuring safe drinking water, as lead can cause serious health issues, especially in children.

Pesticides, which may enter water sources through agricultural runoff, are also effectively reduced through reverse osmosis. This process can eliminate many volatile organic compounds and larger molecule-sized chemicals, including several types of pesticides.

Given the ability of reverse osmosis to effectively reduce arsenic, lead, and a range of pesticides, it is correct to state that it can effectively reduce all of these contaminants. This property makes reverse osmosis an important technology in water purification systems aimed at ensuring safe and clean drinking water