ظفرزاده, علی

[ 1 ] - بررسی فلزات سنگین در پساب و لجن تصفیه خانه فاضلاب شهری گرگان

Background and purpose: Environmental pollution by heavy metals and their transfer to soil and crops are a growing global problem. This study aimed to measure the concentrations of heavy metals in wastewater and sludge wastewater treatment plant in Gorgan, Iran. Materials and methods: In this cross-sectional study, 176 samples of effluent, and returned and dried sludges were analyzed in wast...