The use of energy from waste can be a key means of reducing the consumption of fossil
fuels and thus reduction of greenhouse gas emissions. Waste energy can be a worthy …

The potential for recovering heat from wastewater exists at various stages, including
generation, transport, and treatment. As a result, various technologies for thermal energy …

Decentralized water systems are perceived as solutions that not only save water, but also as
a way to partially or completely become independent from centralized suppliers. Taking this …

Significant amounts of waste heat are deposited in wastewater, which can be used eg for
heating domestic water. The aim of the paper was to analyze the efficiency of energy …

Wastewater has significant potential as a source of clean energy. This energy can be used
both within external sewer networks and on the scale of individual residential buildings, and …

In residential buildings, domestic hot water (DHW) used for showering and handwashing
produces significant amounts of hot drain water (DW), which is typically wasted. This study …

In Poland, domestic hot water is heated mainly using fossil fuel energy sources. Such an
approach results in the depletion of natural resources, pollution of the atmosphere and …

The drain water heat recovery device (DWHR) is a vertical, counter-flow heat exchanger,
which is designed to recover heat from warm grey water in buildings. In this study, the …

In recent years an increase of interest in usage of renewable energy sources as a
substitution of fossil fuels is being noticeable. However, the waste heat potential, which can …

Significant amounts of waste heat are deposited in greywater, which can be utilized, among
other things, for heating domestic hot water in residential buildings. The manuscript presents …