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Wastewater Reuse: Decentralising treatment plants

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October 7, 2021

Centralised water treatment plants in urban areas have high cost of maintenance. Researchers from IIT Madras have now come up with a solution: an optimised network of grey water and wastewater treatment plants. A must read for municipal authorities.

Ethanol from Wheat Straw: Cheaper pretreatment

Researchers from IIT Madras have found a way to make the process of making ethanol from agro-waste cheaper. A move towards increasing farmers’ income, fulfilling fuel needs and reducing pollution from burning agricultural residues.

Controlling Blood Pressure: Essential oil from Hrivera root

Researchers from Tamil Nadu delve into the secrets of the Siddha medicine used for treating high blood pressure. The essential oil from the root of Hrivera is indeed effective and acts on the calcium channels as most other antihypertensives do, they find.

Is the Banana Raw, Ripe or Rotten?

How can food industries select bananas at the right stage of ripeness for making various kinds of products? Easy, say researchers from Coimbatore. They have trained a machine learning algorithm to do just that.

Ashwagandha: Wait for winter or grow in lab?

Ashwagandha sown in winter produces more active ingredients, say scientists from CIMAP Lucknow. Why waste time, produce more active ingredients by hairy root culture, say researchers from Tamilnadu.

Groundwater Recharge Zones: Machines learn to predict

Which are the best areas to construct groundwater recharge structures to overcome the outcome of overexploitation of groundwater resources? How can we leverage on machine learning to make sense of the abundance of data on the factors that determine groundwater recharge? And map the recharge potential? N Sadhasivam from the Bharathidasan University explores.

Pesticide that doesn’t leave residue on cardamom

Cardamom exports from India have suffered from rejection due to presence of fertilisers. Stanley Johnson and a team from the Tamil Nadu Agricultural University, Coimbatore has a suggestion to save cardamom from insect pests without leaving pesticide residues on the product.

Rice Mill Wastewater Cleaned by Energy Crop 

J Umamaheswari and S Shanthakumar from the Vellore Institute of Technology show that it is feasible to upscale energy crop production with wastewater from rice mills – which otherwise would pollute the environment.

Growing nitrogen-doped graphene quantum dots on carbon fabric

Nitrogen-doped graphene quantum dots have incredible photocatalytic and electrocatalytic properties. Scientists have now found a way to grow them on carbon fibre, for use in cleaning polluted water.

Anti-Cancer compounds from marine crab hemolymph

Researchers from the Annamalai University and CSIR-NIO Goa fish for anticancer compounds in the hemolymph of the marine crab Dromia dehaani. Shingolipids surface as potential adjuvant to cancer therapy. Click to read more.

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