The paper discusses some low cost and energy saving technologies for water and wastewater treatment.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/low-cost-and-energy-saving-technologies-water-and-wastewater-treatment
[2] http://admin.indiaenvironmentportal.org.in/category/author/rk-trivedy
[3] http://admin.indiaenvironmentportal.org.in/category/journal/journal-industrial-pollution-control
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-treatment-technology
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-treatment
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hyacinth
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/appropriate-technology
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india