id	sid	tid	token	lemma	pos
ww72b853r5n	1	1	the	the	DET
ww72b853r5n	1	2	objective	objective	NOUN
ww72b853r5n	1	3	of	of	ADP
ww72b853r5n	1	4	this	this	DET
ww72b853r5n	1	5	research	research	NOUN
ww72b853r5n	1	6	is	be	AUX
ww72b853r5n	1	7	to	to	PART
ww72b853r5n	1	8	examine	examine	VERB
ww72b853r5n	1	9	the	the	DET
ww72b853r5n	1	10	interaction	interaction	NOUN
ww72b853r5n	1	11	of	of	ADP
ww72b853r5n	1	12	select	select	ADJ
ww72b853r5n	1	13	heavy	heavy	ADJ
ww72b853r5n	1	14	metals	metal	NOUN
ww72b853r5n	1	15	and	and	CCONJ
ww72b853r5n	1	16	natural	natural	ADJ
ww72b853r5n	1	17	organic	organic	ADJ
ww72b853r5n	1	18	matter	matter	NOUN
ww72b853r5n	1	19	(	(	PUNCT
ww72b853r5n	1	20	nom	nom	PROPN
ww72b853r5n	1	21	)	)	PUNCT
ww72b853r5n	1	22	during	during	ADP
ww72b853r5n	1	23	coagulation	coagulation	NOUN
ww72b853r5n	1	24	and	and	CCONJ
ww72b853r5n	1	25	the	the	DET
ww72b853r5n	1	26	metal	metal	NOUN
ww72b853r5n	1	27	preoxidation	preoxidation	NOUN
ww72b853r5n	1	28	process	process	NOUN
ww72b853r5n	1	29	before	before	ADP
ww72b853r5n	1	30	coagulation	coagulation	NOUN
ww72b853r5n	1	31	/	/	SYM
ww72b853r5n	1	32	adsorption	adsorption	NOUN
ww72b853r5n	1	33	for	for	ADP
ww72b853r5n	1	34	drinking	drink	VERB
ww72b853r5n	1	35	water	water	NOUN
ww72b853r5n	1	36	treatment	treatment	NOUN
ww72b853r5n	1	37	.	.	PUNCT
ww72b853r5n	2	1	the	the	DET
ww72b853r5n	2	2	metals	metal	NOUN
ww72b853r5n	2	3	used	use	VERB
ww72b853r5n	2	4	in	in	ADP
ww72b853r5n	2	5	this	this	DET
ww72b853r5n	2	6	study	study	NOUN
ww72b853r5n	2	7	include	include	VERB
ww72b853r5n	2	8	copper	copper	NOUN
ww72b853r5n	2	9	and	and	CCONJ
ww72b853r5n	2	10	arsenic	arsenic	PROPN
ww72b853r5n	2	11	,	,	PUNCT
ww72b853r5n	2	12	which	which	PRON
ww72b853r5n	2	13	are	be	AUX
ww72b853r5n	2	14	commonly	commonly	ADV
ww72b853r5n	2	15	found	find	VERB
ww72b853r5n	2	16	in	in	ADP
ww72b853r5n	2	17	source	source	NOUN
ww72b853r5n	2	18	drinking	drink	VERB
ww72b853r5n	2	19	water	water	NOUN
ww72b853r5n	2	20	and	and	CCONJ
ww72b853r5n	2	21	represent	represent	VERB
ww72b853r5n	2	22	metal	metal	NOUN
ww72b853r5n	2	23	cations	cation	NOUN
ww72b853r5n	2	24	and	and	CCONJ
ww72b853r5n	2	25	metal	metal	NOUN
ww72b853r5n	2	26	anions	anion	NOUN
ww72b853r5n	2	27	respectively	respectively	ADV
ww72b853r5n	2	28	.	.	PUNCT
ww72b853r5n	3	1	this	this	DET
ww72b853r5n	3	2	research	research	NOUN
ww72b853r5n	3	3	focuses	focus	VERB
ww72b853r5n	3	4	on	on	ADP
ww72b853r5n	3	5	the	the	DET
ww72b853r5n	3	6	investigation	investigation	NOUN
ww72b853r5n	3	7	of	of	ADP
ww72b853r5n	3	8	copper	copper	NOUN
ww72b853r5n	3	9	-	-	PUNCT
ww72b853r5n	3	10	nom	nom	PROPN
ww72b853r5n	3	11	(	(	PUNCT
ww72b853r5n	3	12	i.e.	i.e.	X
ww72b853r5n	3	13	,	,	PUNCT
ww72b853r5n	3	14	cu(ii)-nom	cu(ii)-nom	PROPN
ww72b853r5n	3	15	)	)	PUNCT
ww72b853r5n	3	16	interaction	interaction	NOUN
ww72b853r5n	3	17	during	during	ADP
ww72b853r5n	3	18	coagulation	coagulation	NOUN
ww72b853r5n	3	19	/	/	SYM
ww72b853r5n	3	20	co	co	NOUN
ww72b853r5n	3	21	-	-	NOUN
ww72b853r5n	3	22	precipitation	precipitation	NOUN
ww72b853r5n	3	23	with	with	ADP
ww72b853r5n	3	24	aluminum	aluminum	NOUN
ww72b853r5n	3	25	based	base	VERB
ww72b853r5n	3	26	coagulants	coagulant	NOUN
ww72b853r5n	3	27	(	(	PUNCT
ww72b853r5n	3	28	chapter	chapter	NOUN
ww72b853r5n	3	29	3	3	NUM
ww72b853r5n	3	30	)	)	PUNCT
ww72b853r5n	3	31	,	,	PUNCT
ww72b853r5n	3	32	the	the	DET
ww72b853r5n	3	33	arsenic	arsenic	ADJ
ww72b853r5n	3	34	redox	redox	NOUN
ww72b853r5n	3	35	speciation	speciation	NOUN
ww72b853r5n	3	36	distribution	distribution	NOUN
ww72b853r5n	3	37	in	in	ADP
ww72b853r5n	3	38	synthetic	synthetic	ADJ
ww72b853r5n	3	39	raw	raw	ADJ
ww72b853r5n	3	40	waters	water	NOUN
ww72b853r5n	3	41	with	with	ADP
ww72b853r5n	3	42	the	the	DET
ww72b853r5n	3	43	presence	presence	NOUN
ww72b853r5n	3	44	of	of	ADP
ww72b853r5n	3	45	nom	nom	NOUN
ww72b853r5n	3	46	(	(	PUNCT
ww72b853r5n	3	47	chapter	chapter	NOUN
ww72b853r5n	3	48	4	4	NUM
ww72b853r5n	3	49	)	)	PUNCT
ww72b853r5n	3	50	,	,	PUNCT
ww72b853r5n	3	51	and	and	CCONJ
ww72b853r5n	3	52	the	the	DET
ww72b853r5n	3	53	effect	effect	NOUN
ww72b853r5n	3	54	of	of	ADP
ww72b853r5n	3	55	nom	nom	NOUN
ww72b853r5n	3	56	on	on	ADP
ww72b853r5n	3	57	arsenite	arsenite	PROPN
ww72b853r5n	3	58	(	(	PUNCT
ww72b853r5n	3	59	as(iii	as(iii	PROPN
ww72b853r5n	3	60	)	)	PUNCT
ww72b853r5n	3	61	)	)	PUNCT
ww72b853r5n	3	62	and	and	CCONJ
ww72b853r5n	3	63	arsenate	arsenate	PROPN
ww72b853r5n	3	64	(	(	PUNCT
ww72b853r5n	3	65	as(v	as(v	PROPN
ww72b853r5n	3	66	)	)	PUNCT
ww72b853r5n	3	67	)	)	PUNCT
ww72b853r5n	3	68	adsorption	adsorption	NOUN
ww72b853r5n	3	69	onto	onto	ADP
ww72b853r5n	3	70	tio2	tio2	NOUN
ww72b853r5n	3	71	surface	surface	NOUN
ww72b853r5n	3	72	(	(	PUNCT
ww72b853r5n	3	73	chapter	chapter	NOUN
ww72b853r5n	3	74	5	5	NUM
ww72b853r5n	3	75	and	and	CCONJ
ww72b853r5n	3	76	chapter	chapter	NOUN
ww72b853r5n	3	77	6	6	NUM
ww72b853r5n	3	78	)	)	PUNCT
ww72b853r5n	3	79	.	.	PUNCT
ww72b853r5n	4	1	the	the	DET
ww72b853r5n	4	2	results	result	NOUN
ww72b853r5n	4	3	suggest	suggest	VERB
ww72b853r5n	4	4	that	that	SCONJ
ww72b853r5n	4	5	the	the	DET
ww72b853r5n	4	6	presence	presence	NOUN
ww72b853r5n	4	7	of	of	ADP
ww72b853r5n	4	8	cu(ii	cu(ii	NOUN
ww72b853r5n	4	9	)	)	PUNCT
ww72b853r5n	4	10	in	in	ADP
ww72b853r5n	4	11	raw	raw	ADJ
ww72b853r5n	4	12	waters	water	NOUN
ww72b853r5n	4	13	can	can	AUX
ww72b853r5n	4	14	facilitate	facilitate	VERB
ww72b853r5n	4	15	nom	nom	NOUN
ww72b853r5n	4	16	removal	removal	NOUN
ww72b853r5n	4	17	by	by	ADP
ww72b853r5n	4	18	coagulation	coagulation	NOUN
ww72b853r5n	4	19	.	.	PUNCT
ww72b853r5n	5	1	the	the	DET
ww72b853r5n	5	2	effect	effect	NOUN
ww72b853r5n	5	3	of	of	ADP
ww72b853r5n	5	4	nom	nom	NOUN
ww72b853r5n	5	5	on	on	ADP
ww72b853r5n	5	6	cu(ii	cu(ii	SPACE
ww72b853r5n	5	7	)	)	PUNCT
ww72b853r5n	5	8	co	co	NOUN
ww72b853r5n	5	9	-	-	NOUN
ww72b853r5n	5	10	precipitation	precipitation	NOUN
ww72b853r5n	5	11	with	with	ADP
ww72b853r5n	5	12	alum	alum	NOUN
ww72b853r5n	5	13	is	be	AUX
ww72b853r5n	5	14	dependent	dependent	ADJ
ww72b853r5n	5	15	on	on	ADP
ww72b853r5n	5	16	water	water	NOUN
ww72b853r5n	5	17	ph	ph	NOUN
ww72b853r5n	5	18	.	.	PUNCT
ww72b853r5n	6	1	when	when	SCONJ
ww72b853r5n	6	2	ph	ph	PROPN
ww72b853r5n	6	3	is	be	AUX
ww72b853r5n	6	4	relatively	relatively	ADV
ww72b853r5n	6	5	low	low	ADJ
ww72b853r5n	6	6	and	and	CCONJ
ww72b853r5n	6	7	no	no	DET
ww72b853r5n	6	8	cu(oh)2(s	cu(oh)2(s	NOUN
ww72b853r5n	6	9	)	)	PUNCT
ww72b853r5n	6	10	or	or	CCONJ
ww72b853r5n	6	11	cuco3(s	cuco3(	NOUN
ww72b853r5n	6	12	)	)	PUNCT
ww72b853r5n	6	13	precipitates	precipitate	VERB
ww72b853r5n	6	14	out	out	ADP
ww72b853r5n	6	15	,	,	PUNCT
ww72b853r5n	6	16	nom	nom	PROPN
ww72b853r5n	6	17	can	can	AUX
ww72b853r5n	6	18	increase	increase	VERB
ww72b853r5n	6	19	cu(ii	cu(ii	SPACE
ww72b853r5n	6	20	)	)	PUNCT
ww72b853r5n	6	21	removal	removal	NOUN
ww72b853r5n	6	22	,	,	PUNCT
ww72b853r5n	6	23	whereas	whereas	SCONJ
ww72b853r5n	6	24	when	when	SCONJ
ww72b853r5n	6	25	ph	ph	PROPN
ww72b853r5n	6	26	is	be	AUX
ww72b853r5n	6	27	high	high	ADJ
ww72b853r5n	6	28	and	and	CCONJ
ww72b853r5n	6	29	cu(oh)2(s	cu(oh)2(s	NOUN
ww72b853r5n	6	30	)	)	PUNCT
ww72b853r5n	6	31	or	or	CCONJ
ww72b853r5n	6	32	cuco3(s	cuco3(s	SPACE
ww72b853r5n	6	33	)	)	PUNCT
ww72b853r5n	6	34	precipitates	precipitate	NOUN
ww72b853r5n	6	35	exist	exist	VERB
ww72b853r5n	6	36	,	,	PUNCT
ww72b853r5n	6	37	nom	nom	NOUN
ww72b853r5n	6	38	can	can	AUX
ww72b853r5n	6	39	inhibit	inhibit	VERB
ww72b853r5n	6	40	cu(ii	cu(ii	SPACE
ww72b853r5n	6	41	)	)	PUNCT
ww72b853r5n	6	42	removal	removal	NOUN
ww72b853r5n	6	43	through	through	ADP
ww72b853r5n	6	44	the	the	DET
ww72b853r5n	6	45	coagulation	coagulation	NOUN
ww72b853r5n	6	46	(	(	PUNCT
ww72b853r5n	6	47	co	co	NOUN
ww72b853r5n	6	48	-	-	NOUN
ww72b853r5n	6	49	precipitation	precipitation	NOUN
ww72b853r5n	6	50	)	)	PUNCT
ww72b853r5n	6	51	with	with	ADP
ww72b853r5n	6	52	alum	alum	PROPN
ww72b853r5n	6	53	.	.	PUNCT
ww72b853r5n	7	1	the	the	DET
ww72b853r5n	7	2	presence	presence	NOUN
ww72b853r5n	7	3	of	of	ADP
ww72b853r5n	7	4	nom	nom	NOUN
ww72b853r5n	7	5	can	can	AUX
ww72b853r5n	7	6	mediate	mediate	VERB
ww72b853r5n	7	7	arsenic	arsenic	ADJ
ww72b853r5n	7	8	redox	redox	ADJ
ww72b853r5n	7	9	speciation	speciation	NOUN
ww72b853r5n	7	10	distribution	distribution	NOUN
ww72b853r5n	7	11	in	in	ADP
ww72b853r5n	7	12	a	a	DET
ww72b853r5n	7	13	synthetic	synthetic	ADJ
ww72b853r5n	7	14	raw	raw	ADJ
ww72b853r5n	7	15	water	water	NOUN
ww72b853r5n	7	16	.	.	PUNCT
ww72b853r5n	8	1	nom	nom	NOUN
ww72b853r5n	8	2	can	can	AUX
ww72b853r5n	8	3	also	also	ADV
ww72b853r5n	8	4	facilitate	facilitate	VERB
ww72b853r5n	8	5	as(iii	as(iii	PROPN
ww72b853r5n	8	6	)	)	PUNCT
ww72b853r5n	8	7	oxidation	oxidation	NOUN
ww72b853r5n	8	8	by	by	ADP
ww72b853r5n	8	9	tio2	tio2	NOUN
ww72b853r5n	8	10	in	in	ADP
ww72b853r5n	8	11	the	the	DET
ww72b853r5n	8	12	absence	absence	NOUN
ww72b853r5n	8	13	of	of	ADP
ww72b853r5n	8	14	light	light	NOUN
ww72b853r5n	8	15	and	and	CCONJ
ww72b853r5n	8	16	oxygen	oxygen	NOUN
ww72b853r5n	8	17	.	.	PUNCT
ww72b853r5n	9	1	both	both	PRON
ww72b853r5n	9	2	as(iii	as(iii	PROPN
ww72b853r5n	9	3	)	)	PUNCT
ww72b853r5n	9	4	and	and	CCONJ
ww72b853r5n	9	5	as(v	as(v	ADV
ww72b853r5n	9	6	)	)	PUNCT
ww72b853r5n	9	7	adsorption	adsorption	NOUN
ww72b853r5n	9	8	onto	onto	ADP
ww72b853r5n	9	9	tio2	tio2	NOUN
ww72b853r5n	9	10	surface	surface	NOUN
ww72b853r5n	9	11	can	can	AUX
ww72b853r5n	9	12	be	be	AUX
ww72b853r5n	9	13	decreased	decrease	VERB
ww72b853r5n	9	14	by	by	ADP
ww72b853r5n	9	15	the	the	DET
ww72b853r5n	9	16	presence	presence	NOUN
ww72b853r5n	9	17	of	of	ADP
ww72b853r5n	9	18	nom	nom	NOUN
ww72b853r5n	9	19	in	in	ADP
ww72b853r5n	9	20	raw	raw	ADJ
ww72b853r5n	9	21	water	water	NOUN
ww72b853r5n	9	22	.	.	PUNCT
ww72b853r5n	10	1	this	this	DET
ww72b853r5n	10	2	research	research	NOUN
ww72b853r5n	10	3	addresses	address	VERB
ww72b853r5n	10	4	the	the	DET
ww72b853r5n	10	5	important	important	ADJ
ww72b853r5n	10	6	issue	issue	NOUN
ww72b853r5n	10	7	of	of	ADP
ww72b853r5n	10	8	how	how	SCONJ
ww72b853r5n	10	9	interactions	interaction	NOUN
ww72b853r5n	10	10	between	between	ADP
ww72b853r5n	10	11	select	select	ADJ
ww72b853r5n	10	12	heavy	heavy	ADJ
ww72b853r5n	10	13	metals	metal	NOUN
ww72b853r5n	10	14	and	and	CCONJ
ww72b853r5n	10	15	nom	nom	NOUN
ww72b853r5n	10	16	affects	affect	VERB
ww72b853r5n	10	17	their	their	PRON
ww72b853r5n	10	18	ultimate	ultimate	ADJ
ww72b853r5n	10	19	fate	fate	NOUN
ww72b853r5n	10	20	during	during	ADP
ww72b853r5n	10	21	drinking	drink	VERB
ww72b853r5n	10	22	water	water	NOUN
ww72b853r5n	10	23	treatment	treatment	NOUN
ww72b853r5n	10	24	processes	process	NOUN
ww72b853r5n	10	25	.	.	PUNCT
ww72b853r5n	11	1	the	the	DET
ww72b853r5n	11	2	experimental	experimental	ADJ
ww72b853r5n	11	3	results	result	NOUN
ww72b853r5n	11	4	provide	provide	VERB
ww72b853r5n	11	5	insightful	insightful	ADJ
ww72b853r5n	11	6	information	information	NOUN
ww72b853r5n	11	7	for	for	ADP
ww72b853r5n	11	8	drinking	drink	VERB
ww72b853r5n	11	9	water	water	NOUN
ww72b853r5n	11	10	treatment	treatment	NOUN
ww72b853r5n	11	11	plants	plant	NOUN
ww72b853r5n	11	12	to	to	PART
ww72b853r5n	11	13	optimize	optimize	VERB
ww72b853r5n	11	14	operational	operational	ADJ
ww72b853r5n	11	15	conditions	condition	NOUN
ww72b853r5n	11	16	in	in	ADP
ww72b853r5n	11	17	order	order	NOUN
ww72b853r5n	11	18	to	to	PART
ww72b853r5n	11	19	remove	remove	VERB
ww72b853r5n	11	20	select	select	ADJ
ww72b853r5n	11	21	heavy	heavy	ADJ
ww72b853r5n	11	22	metals	metal	NOUN
ww72b853r5n	11	23	and	and	CCONJ
ww72b853r5n	11	24	nom	nom	NOUN
ww72b853r5n	11	25	from	from	ADP
ww72b853r5n	11	26	water	water	NOUN
ww72b853r5n	11	27	.	.	PUNCT