Zero Liquid Discharge as a Sustainability Requirement with Limited Available Energy a Quagmire for Bangladesh Textile IndustryJournal: International Journal of Science and Research (IJSR) (Vol.3, No. 5)
Publication Date: 2014-05-15
Authors : Nadim Khandaker;
Page : 382-383
Keywords : Reuse; Sustainability; Energy;
Zero liquid discharge is a goal set by the regulatory agencies of Bangladesh to protect the rapidly depleting aquifers of greater Dhaka city as a conservation measure. Unfortunately textile wastewater contains high total dissolved solids that have to be removed and disposed before the wastewater can be reused. This calls for a highly energy intensive process to treat the wastewater by reverse osmosis and evaporate the reject stream to recover the salt. This paper reports on a case study which showed that the energy required reaching the treatment goal cannot be achieved with the energy supply situation in Bangladesh.
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