Do you want to work at Voltea? View our current vacancies. Voltea’s technology treats water types ranging from residential consumer appliances to large-scale industrial plants. Our systems are modular, allowing easy expansion to meet any increased water demands. Voltea’s CapDI technology is a tunable water deionization technology designed to remove dissolved salts from a variety of water sources ranging from tap water and brackish groundwater to industrial process water. Voltea employs water-treatment specialists from 10 different countries, speaking over 8 different languages.