1. Chemical technologies
1.1. Aeration or air stripping
- (https://iwaponline.com/wst/article-abstract/57/7/973/12535)
- (https://iaspub.epa.gov/tdb/pages/treatment/treatmentOverview.do)
- (https://www.purewaterproducts.com/articles/aeration-for-well-water)
- (http://www.freepatentsonline.com/20160030889.pdf)
- (http://www.freepatentsonline.com/6773609.pdf)
- Fountain or spray-nozzle aerators
- Cascading-tray aerators
- Diffused aerators
- Packed-tower stripping aerators
1.2. Chemical coagulation
- (https://www.sciencedirect.com/science/article/pii/S0045653517315382)
- (https://www.sciencedirect.com/science/article/pii/S000186861000120X)
- (https://www.sciencedirect.com/science/article/pii/S221133981500009X)
- (http://www.freepatentsonline.com/20170144906.pdf)
- (http://www.freepatentsonline.com/4855061.pdf)
1.3. Chemical neutralization
- (https://www.mdpi.com/2073-4441/8/11/536)
- (https://link.springer.com/article/10.1007/s10230-019-00601-9)
- (http://www.freepatentsonline.com/20120138516.pdf)
- (http://www.freepatentsonline.com/5427691.pdf)
- (https://patents.google.com/patent/CA2418472C/en?q=water&q=treatment&q=neutralization&oq=water+treatment+by+neutralization)
1.4. Chemical oxidation
- (https://www.sciencedirect.com/science/article/pii/S0048969716314772)
- (https://www.sciencedirect.com/science/article/pii/S0926337315001769)
- (https://www.sciencedirect.com/science/article/pii/S2212371716300415)
- (http://www.freepatentsonline.com/5439577.pdf)
- (http://www.freepatentsonline.com/6576144.pdf)
1.5. Chemical precipitation
- (https://www.sciencedirect.com/science/article/pii/S1385894716312268)
- (https://www.sciencedirect.com/science/article/abs/pii/S0043135414007064)
- (https://www.tandfonline.com/doi/abs/10.1080/19443994.2014.946720)
- (http://www.freepatentsonline.com/20180362363.pdf)
1.6. Ion exchange
- (https://www.sciencedirect.com/science/article/pii/S0045653517316867)
- (https://www.tandfonline.com/doi/abs/10.1080/19443994.2015.1108234)
- (http://www.freepatentsonline.com/7294265.pdf)
- (http://www.freepatentsonline.com/10076756.pdf)
1.7. Advanced oxidation technology
1.7.1(Catalytic/Supercritical) Wet-air oxidation (WAO)
- (https://www.sciencedirect.com/science/article/pii/S0960852413019068)
- (https://www.sciencedirect.com/science/article/pii/S0926337302001583)
- (https://www.sciencedirect.com/science/article/pii/S1385894799000224)
- (https://www.sciencedirect.com/science/article/pii/S1872206712607244)
- (https://patents.google.com/patent/CA1152290A/en?q=Wet-air&q=oxidation&q=water&q=treatment&oq=Wet-air+oxidation+water+treatment)
1.7.2Fenton
- (https://www.sciencedirect.com/science/article/pii/S2212670814000062)
- (https://www.sciencedirect.com/science/article/pii/S0926337318303734)
- (http://www.freepatentsonline.com/10183878.pdf)
- (http://www.freepatentsonline.com/20190177195.pdf)
- Photo-Fenton
- Electro-Fenton
- Electro-Photo-Fenton
1.7.3Ozonation
- (https://www.sciencedirect.com/science/article/abs/pii/S0043135418304925)
- (https://www.degruyter.com/view/j/revce.2017.33.issue-1/revce-2016-0008/revce-2016-0008.xml)
- (https://onlinelibrary.wiley.com/doi/book/10.1002/9783527628926)
- (https://www.crcpress.com/Ozone-in-Water-Treatment-Application-and-Engineering/Am-Water-Works-Res-F-Langlais-Reckhow-Brink/p/book/9780873714747)
- (http://www.freepatentsonline.com/9272924.pdf)
- (http://www.freepatentsonline.com/6126842.pdf)
1.7.4Cavitation
- (https://www.sciencedirect.com/science/article/pii/S138589471830055X)
- (https://www.sciencedirect.com/science/article/pii/S1350417715300535)
- (http://www.freepatentsonline.com/20060081541.pdf)
- (http://www.freepatentsonline.com/9403697.pdf)
1.7.5Electrochemical oxidation
- (https://pubs.acs.org/doi/abs/10.1021/acs.est.5b02414)
- (https://www.sciencedirect.com/science/article/pii/S0045653517321732)
- (https://www.sciencedirect.com/science/article/pii/S0045653518300067)
- (http://www.freepatentsonline.com/5439577.pdf)
- (http://www.freepatentsonline.com/6238546.pdf)
1.8. Chemical disinfection
- (https://www.sciencedirect.com/science/article/abs/pii/S0043135416301300)
- (https://www.sciencedirect.com/science/article/abs/pii/S0043135419300661)
- (https://www.sciencedirect.com/science/article/pii/S0048969715309876)
- (http://www.freepatentsonline.com/20180265375.pdf)
- (http://www.freepatentsonline.com/20160280569.pdf)
- Ozonation
- UV radiation
- Chlorination
- Electro chlorination
- Pulsed electric field
1.9. Catalytic technologies
- (https://www.sciencedirect.com/science/article/pii/S1001074208623293)
- (https://www.sciencedirect.com/science/article/abs/pii/S092058611730189X)
- (https://www.sciencedirect.com/science/article/pii/S1389556716300740)
- (http://www.freepatentsonline.com/6797184.pdf)
2. Biological technologies
2.1. Conventional technologies
2.1.1Activated sludge-based technology
- (https://iwaponline.com/wst/article-abstract/41/1/115/6679)
- (https://www.sciencedirect.com/science/article/pii/S096085240900577X)
- (http://www.freepatentsonline.com/4749494.pdf)
- (http://www.freepatentsonline.com/5019266.pdf)
- (http://www.freepatentsonline.com/4867883.pdf)
2.1.2Tricklingfiltertechnology
- (https://www.sciencedirect.com/science/article/pii/S1369703X07003324)
- (https://www.sciencedirect.com/science/article/abs/pii/S004313540800314X)
- (http://www.freepatentsonline.com/6428691.pdf)
- (http://www.freepatentsonline.com/5997735.pdf)
2.1.3Lagoon: low-cost bioremediation technology
- (https://www.sciencedirect.com/science/article/pii/S0048969716311032)
- (https://elibrary.asabe.org/abstract.asp?aid=8827)
- (https://pubs.acs.org/doi/abs/10.1021/es070051x)
- (http://www.freepatentsonline.com/7481935.pdf)
- Anaerobic lagoons
- Natural aerobic lagoon
- Facultative stabilization lagoon
2.1.4Submerged aerated filter technology (SAF)
- (https://www.sciencedirect.com/science/article/pii/S0301479701905304)
- (https://www.liebertpub.com/doi/abs/10.1089/ees.1999.16.201)
- (https://www.sciencedirect.com/science/article/abs/pii/S0925857415301282)
- (https://patents.google.com/patent/CN103043865A/en?q=water&q=treatment&q=aerated&q=filter&oq=water+treatment+aerated+filter)
2.1.5Upward flow anaerobic sludge blanket reactor technology (UASB)
- (https://www.sciencedirect.com/science/article/pii/S0956053X06002297)
- (https://ascelibrary.org/doi/abs/10.1061/(ASCE)0733-9372(2003)129:11(999))
- (https://link.springer.com/article/10.1007/s11157-015-9375-5)
- (https://onlinelibrary.wiley.com/doi/abs/10.1002/bit.260220402)
2.1.6Rotating-disc biological contactor technology (RBC)
- (https://link.springer.com/article/10.1007/s11270-006-9138-6)
- (https://www.sciencedirect.com/science/article/pii/S0032959200002879)
- (https://www.jstor.org/stable/25039654?seq=1#metadata_info_tab_contents)
- (http://www.freepatentsonline.com/6783669.pdf)
- (http://www.freepatentsonline.com/4268385.pdf)
2.2. Plug-flow reactor
- (https://onlinelibrary.wiley.com/doi/abs/10.1002/jctb.1201?casa_token=9lkqWcH0-xEAAAAA:rNSHwOV9A_ZazSZ9bKmP6MDFkKoYmDxT-1y01jeK8u3jgv9k3Hj_EZwsUjA6FpvEe-KA1bQgWmt345IJ)
- (https://www.sciencedirect.com/science/article/pii/S0960852413019445)
- (https://patents.google.com/patent/JP5194121B2/en?q=Plug-flow&q=reactor&q=water&q=treatment&oq=Plug-flow+reactor+water+treatment)
2.3. Continuous stirred-tank reactor
- (https://www.sciencedirect.com/science/article/pii/S0304389411002585)
- (https://www.sciencedirect.com/science/article/pii/S0301479715303066)
- (https://www.sciencedirect.com/science/article/pii/S096085241630061X)
- (https://iwaponline.com/wst/article-abstract/55/7/187/13304)
- (https://www.sciencedirect.com/science/article/pii/S0960852408006184)
2.4. Packed-bed reactor
- (https://pdfs.semanticscholar.org/624a/5afcdd11a2977e92823813e758048d24159e.pdf)
- (https://link.springer.com/article/10.1023/A:1008859306222)
- (https://iwaponline.com/wst/article-abstract/54/2/157/12767)
- (http://www.freepatentsonline.com/3876541.pdf)
2.5. Fluidized-bed reactor
- (https://www.sciencedirect.com/science/article/pii/S0960852407005263)
- (https://link.springer.com/article/10.1023/A:1024262607099)
- (https://www.sciencedirect.com/science/article/abs/pii/S0043135402005778)
- (http://www.freepatentsonline.com/20080257826.pdf)
- (http://www.freepatentsonline.com/7261811.pdf)
2.6. Advanced technologies
- (https://iwaponline.com/jwrd/article/3/1/26/28635/Membrane-integrated-hybrid-bioremediation-of)
- (https://www.sciencedirect.com/science/article/pii/S0960852410000647)
- (https://www.sciencedirect.com/science/article/abs/pii/S0043135406002430)
- (https://www.sciencedirect.com/science/article/pii/S0168165602002201)
- (http://www.freepatentsonline.com/7045063.pdf)
- (http://www.freepatentsonline.com/7314741.pdf)
- Membrane-integrated hybrid treatment technology
- Anaerobic anoxic oxic process (ANANOX)
- Anaerobic ammonium oxidation (Anammox)
- Chemical-biological integrated treatment technology
3. Physicochemical technologies
3.1. Coagulation-flocculation-precipitation-filtration
- (https://onlinelibrary.wiley.com/doi/abs/10.2175/106143006X111754)
- (http://www.freepatentsonline.com/6447686.pdf)
3.2. Adsorption
- (https://www.sciencedirect.com/science/article/pii/S0169433209014421)
- (https://www.tandfonline.com/doi/abs/10.5004/dwt.2009.857)
- (https://www.springer.com/gp/book/9783319581354)
- (http://www.freepatentsonline.com/20050161403.pdf)
4. Nanotechnologies
4.1. Nano adsorption
- (https://pubs.acs.org/doi/full/10.1021/cr300133d)
- (https://www.sciencedirect.com/science/article/pii/S0048969718303929)
- (https://link.springer.com/chapter/10.1007/978-3-030-00743-0_5)
- (http://www.freepatentsonline.com/20080251443.pdf)
- (http://www.freepatentsonline.com/8277767.pdf)
4.2. Nano photocatalysis
- (https://www.sciencedirect.com/science/article/pii/S1011134408001929)
- (https://www.sciencedirect.com/science/article/pii/S1385894716305903)
- (http://www.freepatentsonline.com/20100200515.pdf)
- (http://www.freepatentsonline.com/20060210798.pdf)
4.3. Disinfection nanotechnology
- (https://www.sciencedirect.com/science/article/pii/S0304389412002725)
- (http://iasks.org/wp-content/uploads/pdf/IJTEE-1502005.pdf)
- (https://pdfs.semanticscholar.org/7dc6/ec2f3459c659c74e903d036f4b152a242349.pdf)
4.4. Magnetic polymer/carbon nanocomposites
- (https://www.sciencedirect.com/science/article/pii/S0144861712008041)
- (https://link.springer.com/article/10.1007/s00396-014-3357-y)
- (https://www.sciencedirect.com/science/article/pii/S0304389411003657)
- (https://www.sciencedirect.com/science/article/pii/S0304389410013865)
- (http://www.freepatentsonline.com/10245576.pdf)
- (http://www.freepatentsonline.com/20160243523.pdf)
5. Micro & Nano bubble technology
- (https://www.sciencedirect.com/science/article/pii/S0045653511006242)
- (https://www.sciencedirect.com/science/article/pii/S0001868617301719)
- (http://www.freepatentsonline.com/20190118142.pdf)
- (http://www.freepatentsonline.com/20080189847.pdf)
- Aeration
- Floatation
- Disinfection
- Advanced oxidation processes