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:: Volume 28, Issue 1 (5-2019) ::
isfj 2019, 28(1): 177-187 Back to browse issues page
Capability of Chlorella vulgaris to remove nitrate and phosphate at different concentrations and condition: studied by response surface methodology
A. Vazirzadeh1 , H. Moghadaszadeh
1- Department of Natural Resources and Environmental Engineering, School of Agriculture, Shiraz University, Shiraz 71441-65186, Iran
Abstract:   (3303 Views)
In order to study the capability of microalgea Chlorella vulgaris in removal of nitrate and phosphate from water, the effects of initial concentration of nitrate and phosphate and photoperiod were investigated in 20 experiments proposed by response surface methodology. The most effective factors in nitrate removal include initial nitrate concentration, photoperiod and interaction of phosphate-photoperiod. Highest capability of nitrate removal (49.42%) achieved at the initial nitrate concentration of 1500 mg/l, initial phosphate concentration of 40 mg/l and under 16h of photoperiod. Initial concentration of phosphate, photoperiod and interaction of nitrate-phosphate and phosphate-photoperiod were the main factors affecting phosphate capability of algea.  Highest capability of nitrate removal (41.61%) achieved at the initial nitrate concentration of 2250 mg/l, initial phosphate concentration of 60 mg/l and under 24h of photoperiod.
Keywords: Nitrate removal, Phosphate removal, Photoperiod, Chlorella vulgaris, Response surface methodology
Full-Text [PDF 926 kb]   (955 Downloads)    
Type of Study: Research | Subject: آلودگي محيطهاي آبي
Received: 2018/04/19 | Accepted: 2019/05/11 | Published: 2019/05/15
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Vazirzadeh A, Moghadaszadeh H. Capability of Chlorella vulgaris to remove nitrate and phosphate at different concentrations and condition: studied by response surface methodology. isfj 2019; 28 (1) :177-187
URL: http://isfj.ir/article-1-2035-en.html


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Volume 28, Issue 1 (5-2019) Back to browse issues page

با کسب مجوز از دفتر کمیسیون بررسی نشریات علمی وزارت علوم، تحقیات و فنآوری مجله علمی شیلات بصورت آنلاین می باشد و تعداد محدودی هم به چاپ می رساند. شماره شاپای جدید آن ISSN:2322-5998 است

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