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New Hydrogel Turns Toxic Wastewater and Algae Blooms into Garden Gold

3 points by westurner 1y ago

westurner 1y ago
ScholarlyArticle: "Molecular Insights into Novel Struvite–Hydrogel Composites for Simultaneous Ammonia and Phosphate Removal" (2025) https://pubs.acs.org/doi/10.1021/acs.est.4c11700 https://pubs.acs.org/doi/10.1021/acs.est.4c11700 Supporting Information for "Molecular Insights into Novel Struvite– Hydrogel Composites for Simultaneous Ammonia and Phosphate Removal" (2025) https://acs.figshare.com/ndownloader/files/54930495 https://acs.figshare.com/ndownloader/files/54930495
westurner 1y ago
Whey protein fibrils, Yeast-laden hydrogels, brewing waste, oleophilic hemp aerogels, chitosan and magnesium; But not real gold. For that, you'd need whey protein; From "Turning waste into gold" (2024) https://www.sciencedaily.com/releases/2024/02/240229124612.htm https://www.sciencedaily.com/releases/2024/02/240229124612.h... : > Researchers have recovered gold from electronic waste. Their highly sustainable new method is based on a protein fibril sponge, which the scientists derive from whey, a food industry byproduct. ETH Zurich researchers have recovered the precious metal from electronic waste [in solution] From "Brewing tea removes lead from water" https://news.ycombinator.com/item?id=43165095 https://news.ycombinator.com/item?id=43165095 : > "Yeast-laden hydrogel capsules for scalable trace lead removal from water" (2024) https://pubs.rsc.org/en/content/articlelanding/2024/su/d4su00052h https://pubs.rsc.org/en/content/articlelanding/2024/su/d4su0... > "Application of brewing waste as biosorbent for the removal of metallic ions present in groundwater and surface waters from coal regions" (2018) https://www.sciencedirect.com/science/article/abs/pii/S2213343718300058 https://www.sciencedirect.com/science/article/abs/pii/S22133... Chitosan + Magnesium or Hydrogels; which given efficiency and sustainability as criteria? "Simultaneous ammonium and phosphate removal with Mg-loaded chitosan carbonized microsphere: Influencing factors and removal mechanism" (2023) https://www.sciencedirect.com/science/article/abs/pii/S0013935123006424 https://www.sciencedirect.com/science/article/abs/pii/S00139...

3 points by westurner 1y ago

ScholarlyArticle: "Molecular Insights into Novel Struvite–Hydrogel Composites for Simultaneous Ammonia and Phosphate Removal" (2025) https://pubs.acs.org/doi/10.1021/acs.est.4c11700 https://pubs.acs.org/doi/10.1021/acs.est.4c11700 Supporting Information for "Molecular Insights into Novel Struvite– Hydrogel Composites for Simultaneous Ammonia and Phosphate Removal" (2025) https://acs.figshare.com/ndownloader/files/54930495 https://acs.figshare.com/ndownloader/files/54930495

westurner 1y ago

Whey protein fibrils, Yeast-laden hydrogels, brewing waste, oleophilic hemp aerogels, chitosan and magnesium; But not real gold. For that, you'd need whey protein; From "Turning waste into gold" (2024) https://www.sciencedaily.com/releases/2024/02/240229124612.htm https://www.sciencedaily.com/releases/2024/02/240229124612.h... : > Researchers have recovered gold from electronic waste. Their highly sustainable new method is based on a protein fibril sponge, which the scientists derive from whey, a food industry byproduct. ETH Zurich researchers have recovered the precious metal from electronic waste [in solution] From "Brewing tea removes lead from water" https://news.ycombinator.com/item?id=43165095 https://news.ycombinator.com/item?id=43165095 : > "Yeast-laden hydrogel capsules for scalable trace lead removal from water" (2024) https://pubs.rsc.org/en/content/articlelanding/2024/su/d4su00052h https://pubs.rsc.org/en/content/articlelanding/2024/su/d4su0... > "Application of brewing waste as biosorbent for the removal of metallic ions present in groundwater and surface waters from coal regions" (2018) https://www.sciencedirect.com/science/article/abs/pii/S2213343718300058 https://www.sciencedirect.com/science/article/abs/pii/S22133... Chitosan + Magnesium or Hydrogels; which given efficiency and sustainability as criteria? "Simultaneous ammonium and phosphate removal with Mg-loaded chitosan carbonized microsphere: Influencing factors and removal mechanism" (2023) https://www.sciencedirect.com/science/article/abs/pii/S0013935123006424 https://www.sciencedirect.com/science/article/abs/pii/S00139...