Agricultural solid wastes either in natural or in modified forms have been successfully used
for decades as non-conventional cost-effective adsorbents for removing metal ions and dyes …

Several industries release varying concentration of dye-laden effluent with substantial
negative consequences for any receiving environmental compartment. The control of water …

Abstract Adsorption of Reactive Black 5 and Congo Red from aqueous solution by coffee
waste modified with polyethylenimine was investigated. The removal percentages of both …

Moringa oleifera is a versatile tree whose seeds are used as coagulants in water treatment.
The seed husks are usually discarded as waste, since they serve no scientific purpose. In …

Areca nut husk, an inexpensive, easily available agricultural by-product modified with
sodium hydroxide has been applied to remove Brilliant green (BG) dye from aqueous …

Removal of the cationic dyes rhodamine B (RhB) and methylene blue (MB) by waste seeds
Aleurites moluccana (WAM) was studied in a batch system. The adsorbent was …

This review examines the performance of new highly promising materials in water
purification industry. Low-cost and effective industrial wastes may have ample applications …

The purpose of this work focuses on the production and investigations of a new composite
material as alternative low-cost adsorbent for the removal of crystal violet (CV) dye from …

In this present work, a commercial coffee waste was treated using cationic surfactants
cetyltrimethyl ammonium bromide (CTAB) or cetylpyridinium chloride (CPC) to enhance its …

In this work we focused our attention on an innovative use of food residual biomasses. In
particular, we produced biochar from coffee waste and used it as filler in epoxy resin …