Focus | Examples | Patent numbers-References |
Constructive features of the equipment (20 documents) | · improvements in system design · compact MD apparatus · multistage process · improvements in module design | CN105692739 [45] CN108067100 [46] CN108619913 [38] CN204261564 [47] CN209065483 [48] DE102012017860 [49] EP2283988 [50] EP2606953 [51] JP2014004497 [52] JP2018083189 [43] JP2019048257 [44] , US2011180383 [53] US2011180479 [54] US2011284444 [55] US2014263061 [56] US2016310900 [57] US2019144309 [58] WO2016006670 [59] WO2016172539 [60] WO2017140927 [42] |
Combination of technologies (8 documents) | · electrocoagulation, flotation or absorption · reverse osmosis and catalyst oxidation · filtration, incineration, nanofiltration · forward osmosis | CN106495382 [61] EP2671845 [62] JP2014188468 [63] KR2016123822 [64] US2012048803 [65] US2012132588 [41] WO2015162314 [66] WO2016135701 [67] |
Customized equip./process for specific wastewater types (6 documents) | · fluorine-containing wastewater · wastewater from cation-exchange column regeneration · oil and salt-containing wastewater · ammonia-containing wastewater | KR2013101279 [68] KR2016149699 [69] JP2015100775 [39] JP2015100776 [40] JP2018065101 [70] US2017057854 [71] |
Fouling control and cleaning (3 documents) | · cation-sequestering method · X-ray excitation of luminescent materials | CN108704486 [72] US2014263055 [73] US2016107126 [74] |
Energy recovery (3 documents) | · heat recovery system · usage of solar heat energy | CN106219855 [75] CN108622983 [76] JP2011167597 [77] |