Zeolites are natural or synthetic microporous crystalline aluminosilicates, which have unique
ion exchange and sorption properties, and are widely used in a large number of water …

Fly ash from lignite coal burning was subjected to a hydrothermal activation with NaOH and
KOH (1.5÷ 12.5 m) under different heating regimes to investigate zeolites formation …

Worldwide disposal of multi-tonnage solid waste from coal-burning thermal power plants
(TPPs) creates serious environmental and economic problems, which necessitate the …

Water contains different types of suspended, dissolved, emulsified or colloidal inorganic and
organic pollutants. These pollutants have toxic effects on the ecosystem. Several conditions …

Over the past few decades there has been a change in focus from scientific expansion and
innovation to the widespread chronic effects of metals. This is due to concern towards …

A simple and cost-effective method was applied for the synthesis of zeolite composites
utilising wet bottom boiler slag from the Bulgarian coal-fired thermal power plant “Sviloza” …

ABSTRACT A comparative study on the zeolitization of coal fly ash from thermo-power plant
“Maritsa 3”(Dimitrovgrad) with KOH and NaOH solutions of different concentrations has been …

A low-cost magnetic zeolitic material was synthesized from coal fly ash by means of a new,
simple method involving alkaline hydrothermal zeolitization of fly ash (FA) followed by low …

Annual producing of over 6 million tons of ash waste from Bulgarian coal-burning thermal
power plants (TPP) and its disposal in opened landfill sites creates serious economical and …

The process of alkaline hydrothermal activation (with NaOH) of fly ash from Bulgarian coal-
burning thermo-power plant" Maritsa 3" has been investigated by means of scanning …