Poly-ferric sulphate as superior coagulant: A review on preparation methods and properties
Iron-based coagulants are widely used in wastewater treatment due to their high positively charged ion that effectively destabilise colloidal suspension, and thus contribute to the formation of insoluble flocs. Ferric chloride, ferrous sulphate, and poly-ferric sulphate (PFS) are examples of iron-ba...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
De Gruyter
2023-09-01
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| Series: | Reviews on Advanced Materials Science |
| Subjects: | |
| Online Access: | https://doi.org/10.1515/rams-2022-0327 |
| _version_ | 1797688804254941184 |
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| author | Mohamad Nurul Aqilah Hamzah Sofiah Hairom Nur Hanis Hayati Zahid Mohd Salleh Amri Ali Khairol Annuar Mohd Ghazali Che Mohd Ruzaidi Sandu Andrei Victor al Bakri Abdullah Mohd Mustafa Vizureanu Petrica |
| author_facet | Mohamad Nurul Aqilah Hamzah Sofiah Hairom Nur Hanis Hayati Zahid Mohd Salleh Amri Ali Khairol Annuar Mohd Ghazali Che Mohd Ruzaidi Sandu Andrei Victor al Bakri Abdullah Mohd Mustafa Vizureanu Petrica |
| author_sort | Mohamad Nurul Aqilah |
| collection | DOAJ |
| description | Iron-based coagulants are widely used in wastewater treatment due to their high positively charged ion that effectively destabilise colloidal suspension, and thus contribute to the formation of insoluble flocs. Ferric chloride, ferrous sulphate, and poly-ferric sulphate (PFS) are examples of iron-based coagulants that are highly available, and are beneficial in producing denser flocs, thereby improving settling characteristics. This work aims to review the preparation methods of PFS and critically discuss the influence of these methods on the PFS properties and performance as a chemical coagulant for water and wastewater treatment. In polymeric form, PFS is one of the pre-hydrolysing metallic salts with the chemical formula [Fe2(OH)n(SO4)3−n/2]m (where, n < 2, m > 10) and has a dark brownish red colour as well as is more viscous and less corrosive. PFS has an amorphous structure with small traces of crystallinity, containing both hydroxyl and sulphate functional groups. It has been applied in many industries including water or wastewater treatment which is also discussed in this study. It has the ability to remove pollutants contained in water or wastewater, such as turbidity, colour, chemical and biological oxygen demand, phosphorus, and others. This study also provides a review on the combination of PFS with other chemical coagulants or flocculants in the coagulation/flocculation process, and also flocs formed after a more stable treatment process. |
| first_indexed | 2024-03-12T01:36:00Z |
| format | Article |
| id | doaj.art-33d6f67d04be438b9b106decaf3d6325 |
| institution | Directory Open Access Journal |
| issn | 1605-8127 |
| language | English |
| last_indexed | 2024-03-12T01:36:00Z |
| publishDate | 2023-09-01 |
| publisher | De Gruyter |
| record_format | Article |
| series | Reviews on Advanced Materials Science |
| spelling | doaj.art-33d6f67d04be438b9b106decaf3d63252023-09-11T07:00:33ZengDe GruyterReviews on Advanced Materials Science1605-81272023-09-01621pp. 31532310.1515/rams-2022-0327Poly-ferric sulphate as superior coagulant: A review on preparation methods and propertiesMohamad Nurul Aqilah0Hamzah Sofiah1Hairom Nur Hanis Hayati2Zahid Mohd Salleh Amri3Ali Khairol Annuar Mohd4Ghazali Che Mohd Ruzaidi5Sandu Andrei Victor6al Bakri Abdullah Mohd Mustafa7Vizureanu Petrica8Faculty of Ocean Engineering, Technology, and Informatics, Universiti Malaysia Terengganu, 21030Kuala Nerus, Terengganu, MalaysiaSustainable Energy & Environmental Technology Special Interest Group, Faculty of Ocean Engineering, Technology, and Informatics, Universiti Malaysia Terengganu, 21030Kuala Nerus, Terengganu, MalaysiaFaculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia, Hab Pendidikan Tinggi Pagoh, Km 1, Jalan Panchor, Johor, Muar, 84600, MalaysiaVenator Asia Sdn. Bhd, Teluk Kalung, 24007Kemaman, Terengganu, MalaysiaHB Laboratories, Sdn. Bhd. Taman Perindstrian Puchong, 41700Puchong, Selangor, MalaysiaFaculty of Ocean Engineering, Technology, and Informatics, Universiti Malaysia Terengganu, 21030Kuala Nerus, Terengganu, MalaysiaFaculty of Materials Science and Engineering, Gheorghe Asachi Technical University of Lasi, Blvd. D. Mangeron 71, 700050, Iasi, RomaniaFaculty of Chemical Engineering & Technology, Universiti Malaysia Perlis (UniMAP), 01000Perlis, MalaysiaFaculty of Materials Science and Engineering, Gheorghe Asachi Technical University of Lasi, Blvd. D. Mangeron 71, 700050, Iasi, RomaniaIron-based coagulants are widely used in wastewater treatment due to their high positively charged ion that effectively destabilise colloidal suspension, and thus contribute to the formation of insoluble flocs. Ferric chloride, ferrous sulphate, and poly-ferric sulphate (PFS) are examples of iron-based coagulants that are highly available, and are beneficial in producing denser flocs, thereby improving settling characteristics. This work aims to review the preparation methods of PFS and critically discuss the influence of these methods on the PFS properties and performance as a chemical coagulant for water and wastewater treatment. In polymeric form, PFS is one of the pre-hydrolysing metallic salts with the chemical formula [Fe2(OH)n(SO4)3−n/2]m (where, n < 2, m > 10) and has a dark brownish red colour as well as is more viscous and less corrosive. PFS has an amorphous structure with small traces of crystallinity, containing both hydroxyl and sulphate functional groups. It has been applied in many industries including water or wastewater treatment which is also discussed in this study. It has the ability to remove pollutants contained in water or wastewater, such as turbidity, colour, chemical and biological oxygen demand, phosphorus, and others. This study also provides a review on the combination of PFS with other chemical coagulants or flocculants in the coagulation/flocculation process, and also flocs formed after a more stable treatment process.https://doi.org/10.1515/rams-2022-0327poly-ferric sulphatecoagulantcoagulation/flocculationwaterwastewater treatment |
| spellingShingle | Mohamad Nurul Aqilah Hamzah Sofiah Hairom Nur Hanis Hayati Zahid Mohd Salleh Amri Ali Khairol Annuar Mohd Ghazali Che Mohd Ruzaidi Sandu Andrei Victor al Bakri Abdullah Mohd Mustafa Vizureanu Petrica Poly-ferric sulphate as superior coagulant: A review on preparation methods and properties Reviews on Advanced Materials Science poly-ferric sulphate coagulant coagulation/flocculation water wastewater treatment |
| title | Poly-ferric sulphate as superior coagulant: A review on preparation methods and properties |
| title_full | Poly-ferric sulphate as superior coagulant: A review on preparation methods and properties |
| title_fullStr | Poly-ferric sulphate as superior coagulant: A review on preparation methods and properties |
| title_full_unstemmed | Poly-ferric sulphate as superior coagulant: A review on preparation methods and properties |
| title_short | Poly-ferric sulphate as superior coagulant: A review on preparation methods and properties |
| title_sort | poly ferric sulphate as superior coagulant a review on preparation methods and properties |
| topic | poly-ferric sulphate coagulant coagulation/flocculation water wastewater treatment |
| url | https://doi.org/10.1515/rams-2022-0327 |
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