Sentence examples for been developed to remove from inspiring English sources

In recent decades, various efficient removal techniques have been developed to remove heavy metals, such as solvent extraction, ion exchange, biological degradation and precipitation techniques, but often are costly time-consuming (Khaydarov and Gapurova 2010).

So that adsorbents have been developed to remove various pollutants of aquatic environments.

Several treatment technologies have been developed to remove lead from water and wastewater.

Many other treatment technologies such as adsorption have been developed to remove HM from polluted water.

In the current study, an acid wash treatment has been developed to remove all undesired nanomaterials (Figure1).

In recent years, several methods have been developed to remove fluoride and improve the quality of drinking water.

Based on experimental results, a welding tool with two flash-removing cutters was developed to remove flashes during welding.

In order to minimize the use of large quantity of AA and to reduce the cost, the idea of using SD and AA adsorbents at a fixed ratio was developed to remove fluoride from water and incorporated in the proposed fluoride removal unit.

Because calcium sulfide contained in the black ash had a highly unpleasant odour, methods were developed to remove it by recovering the sulfur, thereby providing at least part of the raw material for the sulfuric acid required in the first part of the process.

The multi-threshold algorithm is developed to remove the cloud coverage from the land coverage.

A novel in situ membrane technology was developed to remove nitrate (NO3−) from groundwater.