b	constant of the Langmuir model, L/mg
BET	Brunnauer-Emmet-Teller theory for the analysis of the surface area
Ce	concentration of a pollutant in solution at the equilibrium, mg/L
Ci	thickness constant of the boundary layer
k1, k2	adsorption rate constants of pseudo-first and pseudo-second order kinetic models, respectively, g/(mg·min)
Kd	single-point distribution coefficient, L/g
Kf	constant of the Freundlich model
kp	adsorption rate constants of intra-particle diffusion kinetic model, mg/(g·min1/2)
n	constant of the Freundlich model
Q 0	constant of the Langmuir model
qe	amount of an adsorbate adsorbed at the equilibrium per unit mass of the adsorbent, mg/g
Qm	maximal adsorption capacity calculated from the adsorption isotherm, mg/g
qt	amount of an adsorbate at a given period of time t, mg/g
Ssp	Specific surface area, m2/g
t	contact time, min
3D-EEM	Three-dimensional excitation-emission matrix
AAEM	Alkali and alkaline earth metals
abdc	2-Aminobenzene-1,4-dicarboxylate
AC	Activated carbons
ACE	Acesulfame
ACP	Acetaminophen
ADQ	Amodiaquine
AIDs	Anti-inflammatory drugs
AOP	Advanced oxidation processes
AR 18	Acid Red 18 dye
APTES	3-Aminopropyltriethoxysilane
ASs	Artificial sweeteners
ATC	Anthracene
ATZ	Atrazine
bdc	Benzene-1,4-dicarboxylate
BET	Brunauer–Emmett–Teller
bIm	Benzimidazole
BPA	Bisphenol A
bpdc	Biphenyldicarboxylate
bpfb	N,N′-bis-(4-pyridylformamide)-1,4-benzenediamine
btc	Benzene-1,3,5-tricarboxylate
BZ	Benzene
CCM	Constant Capacitance Model
CEC	Cation exchange capacity
CD	Cyclodextrine
CIP	Ciprofloxacin
CNTs	Carbon nanotubes
CR	Congo Red dye
CV	Crystal Violet dye
CYC	Cyclamate
DB	Disulfine Blue dye
dhbdc	Dihydroxybenzene-1,4-dicarboxylate
DLM	Diffuse Layer Model
DMF	N,N-Dimethylformamide
DMZ	Dimetridazole
DOM	Dissolved organic matter
EBC	European Biochar Certificate/Commission
EDA	Electron Donor-Acceptor
EY	Eosin Y dye
FG	Fast Green dye
Gn	Graphene
GNs	Graphene-based nanomaterials
GO	Graphene oxide
H2oba	4,4′-Oxybisbenzoic acid
HA	Humic acids
HTT	Highest treatment temperature
IBI	International Biochar Initiative
ILs	Ionic liquids
KET	Ketoprofen
LOLIPOP	Localized Orbital Locator Integrated Pi Over Plane
MAB	Mineral and ash-rich biochar
MAF	Mineral and ash fraction
MB	Methylene Blue dye
MBC	Magnetic biochar
2-mbIm	2-Methylbenzimidazole)
MCs	MOF-derived carbons
MDCs	MAF-6 derived porous carbons
meIm	2-Methylimidazolate
MIL	Materials of the Institute of Lavoisier, abbreviation for the separate MOF family
MNZ	Metronidazole
MOFs	Metal-organic frameworks
MO	Methyl Orange dye
MWCNTs	Multi-walled carbon nanotubes
MZ	Menidazole
NAP	Naproxene
NAPH	Naphthalene
NIABs	Nitroimidazole antibiotics
NPC	Nanoporous carbon
OMSs	Open metal sites
PAC	Powdered activated carbon
PAE	Phthalic acid esters
PAHs	Polycyclic aromatic hydrocarbons
PET	Polyethylene terephthalate
PCMX	Para-chloro-meta-xylenol
PMS	Peroxymonosulfate
PNP	p-Nitrophenol
POPs	Persistent organic pollutants
PPCPs	Personal care products
PRN	Pyrene
PZC	Point of zero charge
QY	Quinoline Yellow dye
rGO	Reduced graphene oxide
RhB	Rhodamine Blue dye
SAC	Saccharin
SAS	Self-adjusted strategy
SCMs	Surface Complexation Models
SIB	Ship-in-bottle method
SMZ	Sulfamethoxazole
SWCNTs	Single-walled carbon nanotubes
TC	Tetracycline
TCH	Tetracycline hydrochloride
TCS	Triclosan
TEOS	Tetraethoxysilane
TLM	Triple Layer Model
UOW	Urban organic wastes
Vmicro	Micropore volume, cm3/g
Vtotal	Total pore volume, cm3/g
ZIFs	Zeolitic imidazolate frameworks
ZIF-GA	Zeolitic imidazolate framework-graphene aerogels