C02F   1/00		塤ѿޤϲνʣãƣãƣͥˡΣ	Treatment of water, waste water, or sewage(<b>C02F3/00 to C02F9/00</b>  take precedence)	129408
C02F   1/02		ǮˤΡΣ	by heating	10256
C02F   1/04		αޤϾȯˤΡΣ	by distillation or evaporation	27577
C02F   1/06		եåȯΣ	Flash evaporation	2566
C02F   1/08		ȯΣ	Thin film evaporation	1607
C02F   1/10		ǮΤȤƤθγʪޤήΤȤľܿˤΡΣ	by direct contact with a particulate solid or with a fluid, as a heat transfer medium	1298
C02F   1/12		ʮ̸ȯΣ	Spray evaporation	1865
C02F   1/14		ۥͥ륮ѤΡΣ	using solar energy	6736
C02F   1/16		¾ιǮѤΡΣ	using waste heat from other processes	3467
C02F   1/18		򤦤뤿ΰưǽ֡Σ	Transportable devices to obtain potable water	698
C02F   1/20		æˤΡʤ¸СΣ	by degassing, i.e. liberation of dissolved gases	13048
C02F   1/22		ˤΡΣ	by freezing	2066
C02F   1/24		ˤΡʣãƣͥˡΣ	by flotation(<b>C02F1/465</b> takes precedence)	17897
C02F   1/26		ФˤΡΣ	by extraction	3698
C02F   1/28		ˤΡʥ򴹤ˤΣãƣʪ£ʡˡΣ	by sorption(using ion-exchange <b>C02F1/42</b>; sorbent compositions <b>B01J</b>)	88837
C02F   1/30		ȼͤˤΡΣ	by irradiation	21433
C02F   1/32		糰ˤΡΣ	with ultraviolet light	33096
C02F   1/34		ŪưˤΡΣ	with mechanical oscillations	2012
C02F   1/36		ĶȿưΣ	ultrasonic vibrations	5229
C02F   1/38		ʬΥˤΡΣ	by centrifugal separation	8213
C02F   1/40		áʪޤƱͤͷʪʬΥޤϽ֡ʳ̤ޤϤʪݤޤΰݻţ£夫ΤޤϸΤʬΥ뤿β֣ţƣˡΣ	Devices for separating or removing fatty or oily substances or similar floating material(cleaning or keeping clear the surface of open water from oil or like materials <b>E02B15/04</b>; devices in sewers for separating liquid or solid substances from sewage <b>E03F5/14</b>)	32863
C02F   1/42		򴹤ˤΡΣ	by ion-exchange	24607
C02F   1/44		ƩϡƩޤϵտƩˤΡΣ	by dialysis, osmosis or reverse osmosis	69872
C02F   1/46		ŵŪˡˤΡΣ	by electrochemical methods	18689
C02F   1/461		ŲˤΡΣ	by electrolysis	28071
C02F   1/463		ŲŽˡˤΡΣ	by electrocoagulation	5620
C02F   1/465		ŲˤΡΣ	by electroflotation	2407
C02F   1/467		Ų򻦶ݤˤΡΣ	by electrochemical disinfection	9828
C02F   1/469		ŵŪʬΥˤΡ㡥ŵƩŵƩϡŵưΣ	by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis	10552
C02F   1/48		ޤžˤΡʣãƣͥˡΣ	with magnetic or electric fields(<b>C02F1/46</b> takes precedence)	22256
C02F   1/50		ݺޤźä⤷ŬѤˤΤޤϥꥴʥߥåˤΡʣãƣͥˡΣ	by addition or application of a germicide or by oligodynamic treatment(<b>C02F1/467</b> takes precedence)	30096
C02F   1/52		ԽʪζŽޤ¤ˤΡΣ	by flocculation or precipitation of suspended impurities	68310
C02F   1/54		ͭʪѤΡΣ	using organic material	4183
C02F   1/56		ʬҲʪΣ	Macromolecular compounds	13731
C02F   1/58		¸ʪνʥ򴹤ˤΣãƣ𲽣ãƣˡΣ	by removing specified dissolved compounds(using ion-exchange <b>C02F1/42</b>; softening water <b>C02F5/00</b>)	18059
C02F   1/60		ǲʪΣ	Silicon compounds	625
C02F   1/62		Ŷ°ʪΣ	Heavy metal compounds	9284
C02F   1/64		Ŵޤϥޥ󥬥Σ	of iron or manganese	2590
C02F   1/66		¤ˤΡĴæΤΤΣãƣ򴹤ˤΣãƣԽʪζŽޤ¤ΤΤΣãƣ¸ʪνΤΤΣãƣˡΣ	by neutralisation; pH adjustment(for degassing <b>C02F1/20</b>; using ion-exchange <b>C02F1/42</b>; for flocculation or precipitation of suspended impurities <b>C02F1/52</b>; for removing dissolved compounds <b>C02F1/58</b>)	27371
C02F   1/68		βɤΤʪ㡥ʬźäˤΡΣ	by addition of specified substances, e.g. trace elements, for ameliorating potable water	19163
C02F   1/70		ԸˤΡΣ	by reduction	7678
C02F   1/72		ˤΡΣ	by oxidation	38592
C02F   1/74		ˤΡʿ̤ãƣˡΣ	with air(aeration of stretches of water <b>C02F7/00</b>)	6456
C02F   1/76		ϥޤϲʪˤΡΣ	with halogens or compounds of halogens	9206
C02F   1/78		ˤΡΣ	with ozone	23702
C02F   3/00		塤ѿޤϲʪŪΣ	Biological treatment of water, waste water, or sewage	24891
C02F   3/02		ŪΣ	Aerobic processes	17739
C02F   3/04		ɾѤΡΣ	using trickle filters	2867
C02F   3/06		ɾѤΡΣ	using submerged filters	8140
C02F   3/08		ưܿΤѤΡΣ	using moving contact bodies	6402
C02F   3/10		ѥå󥰡ŶࡨåɡΣ	Packings; Fillings; Grids	16582
C02F   3/12		ťΣ	Activated sludge processes	32765
C02F   3/14		ɽˤΡΣ	using surface aeration	1145
C02F   3/16		ľ֡Σ	the aerator having a vertical axis	1715
C02F   3/18		ʿ֡Σ	the aerator having a horizontal axis	692
C02F   3/20		ѤΡΣ	using diffusers	8388
C02F   3/22		۴ƳɤѤΡΣ	using circulation pipes	2484
C02F   3/24		ޤʮ̸ˤΡΣ	using free-fall aeration or spraying	813
C02F   3/26		ǤޤϻٲѤΡΣ	using pure oxygen or oxygen-rich gas	1261
C02F   3/28		ŪòΣ	Anaerobic digestion processes	27021
C02F   3/30		ŪȷŪȹ礻ˤΡΣ	Aerobic and anaerobic processes	31176
C02F   3/32		Ѥ줿ưʪޤϿʪˤäħŤΡ㡥Σ	characterised by the animals or plants used, e.g. algae	26532
C02F   3/34		Ѥ줿ʪˤäħŤΡΣ	characterised by the microorganisms used	44952
C02F   5/00		𲽡ɻߡɻߺޤޤϥޤοؤźá㡥°ޤźáʥ򴹤ˤ𲽣ãƣˡΣ	Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents(softening using ion-exchange <b>C02F1/42</b>)	9760
C02F   5/02		ʬ¤ˤ𲽡Σ	Softening water by precipitation of the hardness	2111
C02F   5/04		ѤΡʣãƣͥˡΣ	using phosphates(<b>C02F5/06</b> takes precedence)	246
C02F   5/06		륷ಽʪѤΡΣ	using calcium compounds	618
C02F   5/08		𲽡ɻߤޤϥΤκʪޤ¾βϲޤˤν㡥°ޤźáΣ	Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents	5093
C02F   5/10		ͭʪѤΡΣ	using organic substances	4582
C02F   5/12		ǤޤΡʣãƣͥˡΣ	containing nitrogen(<b>C02F5/14</b> takes precedence)	3193
C02F   5/14		ޤΡΣ	containing phosphorus	3078
C02F   7/00		̤Σ	Aeration of stretches of water	22512
C02F   9/00		塤ѿޤϲ¿ʳΣ<br><br><b><ul></ul></b><br>Υ롼פϡʳ̤ΰ֡㡥֡ȿޤϥѡȥȡǹԤİʾΰۤʤʳΤ줿֤Ǽ»ܤ롤Ȥ߹蘆줿ޤ롣<br>Υ롼פˤϡġʳ˽פħ褦ʽϴޤޤʤΤ褦ʽϡãƣãƣΥ롼פʬव롣	Multistage treatment of water, waste water or sewage; <br><br><b><u>Note(s)</u></b><br><br><ul><li>This group <u>covers</u> combined treatment operations, carried out in a defined order in three or more different treatment stages, each stage occurring in a separate location, e.g. apparatus, reactor or compartment.</li><li>This group <u>does not cover</u> treatments where the essential characteristic resides in an individual step of the treatment, which treatments are covered by groups <b>C02F1/00 to C02F7/00</b> .</li></ul>	50021
C02F   9/20		Ӳǽʡޤϼ곰ǽʾ¿ʳ֡㡥ɽѤޤϸ漼ξ奷ƥΣ	Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems	255
C02F  11/00		ťνΤ֡Σ	Treatment of sludge; Devices therefor	30939
C02F  11/02		ʪŪΣ	Biological treatment	12743
C02F  11/04		Ūνˤ᥿¤Σ	Anaerobic treatment; Production of methane by such processes	19309
C02F  11/06		ˤΡΣ	by oxidation	4117
C02F  11/08		Σ	Wet air oxidation	1430
C02F  11/10		ǮʬˤΡΣ	by pyrolysis	6343
C02F  11/12		æ塤ޤǻ̤ˤΡΣ	by de-watering, drying or thickening	29183
C02F  11/121		ŪæˤΡΣ	by mechanical de-watering 	11936
C02F  11/122		ե륿ץ쥹ѤΡʣãƣͥˡΣ	using filter presses(<b>C02F11/123</b> takes precedence)	8194
C02F  11/123		٥ȤޤϥХɥե륿ѤΡΣ	using belt or band filters	2079
C02F  11/125		塼ե륿ѤΡΣ	using screw filters	2855
C02F  11/126		ɥե륿ѤΡΣ	using drum filters	628
C02F  11/127		ʬΥˤΡΣ	by centrifugation	3421
C02F  11/128		ХåѤΡΣ	using batch processes	134
C02F  11/13		ǮˤΡΣ	by heating	12909
C02F  11/131		żȤޤĶȤѤΡΣ	using electromagnetic or ultrasonic waves	591
C02F  11/14		ʤźäˤΡΣ	with addition of chemical agents	11231
C02F  11/143		̵ʪѤΡʣãƣͥˡΣ	using inorganic substances(<b>C02F11/148</b> takes precedence)	1388
C02F  11/145		륷ಽʪѤΡΣ	using calcium compounds	655
C02F  11/147		ͭʪѤΡʣãƣͥˡΣ	using organic substances(<b>C02F11/148</b> takes precedence)	1757
C02F  11/148		Ʊźä̵ʪͭʪȤʻѡΣ	Combined use of inorganic and organic substances, being added in the same treatment step	982
C02F  11/15		ž졤ޤżˤˤΡĶȽˤΡʲǮŪΤΤΣãƣˡΣ	by treatment with electric, magnetic or electromagnetic fields; by treatment with ultrasonic waves(for the purpose of heating <b>C02F11/131</b>)	1055
C02F  11/16		羲ޤѤΡΣ	using drying or composting beds	1008
C02F  11/18		ǮŪĴǮʬˤΣãƣˡΣ	by thermal conditioning(by pyrolysis <b>C02F11/10</b>)	3527
C02F  11/20		ˤΡΣ	by freezing	723
C02F 101/00		ʪΣ	Nature of the contaminant	1734
C02F 101/10		̵ʪΣ	Inorganic compounds	21919
C02F 101/12		ϥ󡤤ޤϥϥͭ벽ʪΣ	Halogens or halogen-containing compounds	4541
C02F 101/14		եǤޤϥեǤͭ벽ʪΣ	Fluorine or fluorine-containing compounds	4194
C02F 101/16		ǲʪ㡥˥Σ	Nitrogen compounds, e.g. ammonia	27083
C02F 101/18		ʪΣ	Cyanides	1514
C02F 101/20		Ŷ°ޤϽŶ°ʪΣ	Heavy metals or heavy metal compounds	30074
C02F 101/22		ࡤޤϥಽʪ㡥Σ	Chromium or chromium compounds, e.g. chromates	5298
C02F 101/30		ͭʪΣ	Organic compounds	49996
C02F 101/32		úǡ㡥Σ	Hydrocarbons, e.g. oil	6139
C02F 101/34		ǤͭΡΣ	containing oxygen	14706
C02F 101/36		ϥͭΡΣ	containing halogen	7656
C02F 101/38		ǤͭΡΣ	containing nitrogen	16776
C02F 103/00		塤ѿ塤ޤϱťΣ	Nature of the water, waste water, sewage or sludge to be treated	5041
C02F 103/02		Ƥʤ塤㡥ѿΣ	Non-contaminated water, e.g. for industrial water supply	7139
C02F 103/04		ޤĶ뤿ΤΡΣ	for obtaining pure or ultra-pure water	8343
C02F 103/06		줿ϲޤϿпΣ	Contaminated groundwater or leachate	10539
C02F 103/08		塤㡥ø岽뤿ΤΡΣ	Seawater, e.g. for desalination	15675
C02F 103/10		о졤ޤϺι۳ưФΣ	from quarries or from mining activities	10253
C02F 103/12		ȤޤϥߥåȤѿ塤㡥Ȥޤϥ饹줫ѿΣ	from the silicate or ceramic industries, e.g. waste waters from cement or glass factories	482
C02F 103/14		ѱաΣ	Paint wastes	883
C02F 103/16		ιʤ°¤ϣޤϽѿ塤㡥åѿΣ	from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes	11548
C02F 103/18		ӵμѿΣ	from the wet purification of gaseous effluents	8329
C02F 103/20		ܻѿΣ	from animal husbandry	16451
C02F 103/22		ưʪ㡥ȶ١ޤϤΰβùѿΣ	from the processing of animals, e.g. poultry, fish, or parts thereof	1071
C02F 103/24		ʤᤷ׹줫ΤΡΣ	from tanneries	810
C02F 103/26		ʪޤϤΰβùѿΣ	from the processing of plants or parts thereof	514
C02F 103/28		ޤϥȤΤΡΣ	from the paper or cellulose industry	3828
C02F 103/30		ʪȤѿΣ	from the textile industry	6432
C02F 103/32		ʪޤϿʻȤѿ塤㡥¤꤫ѿΣ	from the food or foodstuff industry, e.g. brewery waste waters	3820
C02F 103/34		ãƣãƣΥ롼פʬवʤػȤѿΣ	from the chemical industry not provided for in groups <b>C02F103/12 to C02F103/32</b> 	8830
C02F 103/36		ͭʪ¤ФΡΣ	from the manufacture of organic compounds	6837
C02F 103/38		ŹΡΣ	Polymers	1420
C02F 103/40		ʪ¤ޤϻѤФΡΣ	from the manufacture or use of photosensitive materials	164
C02F 103/42		ᡦ˻ߤѿ塤㡥ߥ󥰡סΣ	from bathing facilities, e.g. swimming pools	2197
C02F 103/44		ֻߤѿΣ	from vehicle washing facilities	1350
