Reverse osmosis concentrate (ROC) is one of the major drawbacks in membrane treatment technologies specifically due to the scale-forming ions. It is important to remove these ions from ROC to enhance total water recovery and reuse in the textile industry that is the largest water-consumer and polluter industry. In this work, coagulation/high pH precipitation (CP) integrated with ceramic microfiltration (CMF) was studied as a pretreatment method followed by nanofiltration (NF) to increase the efficiency of water recovery. To prevent organic fouling, ferric chloride (FeCl3) was applied at a concentration of 3 mM, and ceramic membranes were used for the removal of non-precipitating crystals and/or suspended solids (at high pH) before the NF processes. The CP-CMF method successfully removed calcium (Ca2+), magnesium (Mg2+), silica (SiO2), and TOC up to 97, 83, 92, and 87% respectively, which resulted in higher performance of the NF process. Moreover, this method provided higher flux at lower pressure that ultimately increased overall water recovery of the NF process to achieve near-zero liquid discharge (n-ZLD). A cost-benefit estimation showed that a high-quality effluent (COD<5 mg/L; conductivity 700
Название публикации (dc.title) | A study of inline chemical coagulation/precipitation-ceramic microfiltration and nanofiltration for reverse osmosis concentrate minimization and reuse in the textile industry |
Автор/ы (dc.contributor.yazarlar) | Mehtap Dursun Çelebi, Mehmet Dilaver, Mehmet Kobya |
Вид публикации (dc.type) | Makale |
Язык (dc.language) | İngilizce |
Год публикации (dc.date.issued) | 2021 |
Национальный/Международный (dc.identifier.ulusaluluslararasi) | Uluslararası |
Источник (dc.relation.journal) | Water Science & Technology |
Номер (dc.identifier.issue) | 9 |
Том/№ (dc.identifier.volume) | 84 |
Страница (dc.identifier.startpage) | 2457-2471 |
ISSN/ISBN (dc.identifier.issn) | ISSN: 0273-1223; Online ISSN: 1996-9732 |
Издатель (dc.publisher) | IWA Publishing |
Базы данных (dc.contributor.veritaban) | Web of Science Core Collection |
Базы данных (dc.contributor.veritaban) | IWA Publishing |
Базы данных (dc.contributor.veritaban) | Scopus |
Вид индекса (dc.identifier.index) | SCI Expanded |
Вид индекса (dc.identifier.index) | Scopus |
Импакт-фактор (dc.identifier.etkifaktoru) | 1,915 / 2020-WOS / 5 Year: 2,054 |
Резюме (dc.description.abstract) | Reverse osmosis concentrate (ROC) is one of the major drawbacks in membrane treatment technologies specifically due to the scale-forming ions. It is important to remove these ions from ROC to enhance total water recovery and reuse in the textile industry that is the largest water-consumer and polluter industry. In this work, coagulation/high pH precipitation (CP) integrated with ceramic microfiltration (CMF) was studied as a pretreatment method followed by nanofiltration (NF) to increase the efficiency of water recovery. To prevent organic fouling, ferric chloride (FeCl3) was applied at a concentration of 3 mM, and ceramic membranes were used for the removal of non-precipitating crystals and/or suspended solids (at high pH) before the NF processes. The CP-CMF method successfully removed calcium (Ca2+), magnesium (Mg2+), silica (SiO2), and TOC up to 97, 83, 92, and 87% respectively, which resulted in higher performance of the NF process. Moreover, this method provided higher flux at lower pressure that ultimately increased overall water recovery of the NF process to achieve near-zero liquid discharge (n-ZLD). A cost-benefit estimation showed that a high-quality effluent (COD<5 mg/L; conductivity 700 |
URL (dc.rights) | https://iwaponline.com/wst/article/doi/10.2166/wst.2021.439/84504/A-study-of-inline-chemical-coagulation |
DOI (dc.identifier.doi) | 10.2166/wst.2021.439 |
Факультет / Институт (dc.identifier.fakulte) | Mühendislik Fakültesi |
Кафедра (dc.identifier.bolum) | Çevre Mühendisliği Bölümü |
Автор(ы) в учреждении (dc.contributor.author) | Mehmet KOBYA |
№ регистрации (dc.identifier.kayitno) | BL66453F55 |
Дата регистрации (dc.date.available) | 2021-10-27 |
Заметка (Год публикации) (dc.identifier.notyayinyili) | November 2021 |
Wos No (dc.identifier.wos) | WOS:000703617700001 |
Тематический рубрикатор (dc.subject) | cost estimation |
Тематический рубрикатор (dc.subject) | membrane filtration |
Тематический рубрикатор (dc.subject) | near-zero liquid discharge |
Тематический рубрикатор (dc.subject) | reverse osmosis concentrate |
Тематический рубрикатор (dc.subject) | silica removal |
Тематический рубрикатор (dc.subject) | textile waste-water |
Тематический рубрикатор (dc.subject) | water recovery |