coffee grounds

Study: Coffee Grounds as Fertilizer Can Make Better Cucumbers

Researchers in Spain have discovered an effective way to upcycle spent coffee grounds as fertilizers in cucumber greenhouses, creating a circular “cup-to-crop” connection. A University of Granada team found that...

2026.01.20

bio-chelatesbiofortificationcircular economycoffee groundscucumbersfertilizersfood wastehealthIndustryironresearchRetailscienceSpainUniversity of Granadaupcyclingzincコーヒー

Spent Coffee Grounds and Empty Bottles Used to Make Carbon Filter

Two common waste materials — spent coffee grounds and plastic water bottles — may be transformed into material that captures carbon dioxide from industrial emissions. In August, researchers affiliated with...

2026.01.07

Abrar InayatChaouki Ghenaicoffee groundsenvironmental sustainabilityHaif AljomardIndustryInternationalpatentsPET plasticplasticRafik KalfatrecyclingresearchreusescienceUnited Arab EmiratesUniversity of Sharjahコーヒー

Spent Coffee Grounds and Empty Bottles Used to Make Carbon Filter

Two common waste materials — spent coffee grounds and plastic water bottles — may be transformed into material that captures carbon dioxide from industrial emissions. In August, researchers affiliated with...

2026.01.07

Abrar InayatChaouki Ghenaicoffee groundsenvironmental sustainabilityHaif AljomardIndustryInternationalpatentsPET plasticplasticRafik KalfatrecyclingresearchreusescienceUnited Arab EmiratesUniversity of Sharjahコーヒー

Study: Coffee Grounds Can Make Concrete 30% Stronger

A group of Australian engineers have devised a method to make concrete 30% stronger by adding spent coffee grounds that might otherwise be destined for landfills. For the research project,...

2023.08.24

Australiabiocharcircular economycoffee groundscoffee wasteconcreteconstructionIndustryJie LipyrolysisRajeev RoychandresearchRetailRMIT Universitysciencewaste managementコーヒー