Smaltiscono il rifiuto elettronico oggi.

Smaltiscono comes from the infinitive smaltire, which usually means to dispose of, to process, or to get rid of properly, especially for waste.

In this sentence, smaltiscono means something like they dispose of or they process.

It is:

• present tense
• third person plural

So the full verb idea is:

• smaltire = to dispose of
• smaltiscono = they dispose of / they are disposing of

Italian often leaves out subject pronouns when they are not needed. The verb ending already tells you who the subject is.

Here:

• smaltiscono ends in -ono
• that ending shows third person plural

So Italian does not need loro (they) unless you want emphasis or contrast.

For example:

• Smaltiscono il rifiuto elettronico oggi. = They dispose of electronic waste today.
• Loro smaltiscono il rifiuto elettronico oggi. = They dispose of electronic waste today.
  This sounds more emphatic.

Yes. In standard Italian, smaltiscono can mean either:

• they dispose of
• you all dispose of

That is because the third person plural and second person plural formal/polite in some contexts? Actually, for standard modern Italian, you all is normally voi smaltite, not smaltiscono.

So in normal grammar:

• smaltite = you all dispose of
• smaltiscono = they dispose of

However, in very formal speech, Italian may use Loro as a polite plural you, and that would take smaltiscono. But this is rare and old-fashioned.

So for a learner, the natural reading here is simply:

• they dispose of

It is the present indicative.

In Italian, the present tense can cover several ideas that English often separates:

• They dispose of electronic waste today.
• They are disposing of electronic waste today.
• sometimes even a scheduled or near-future sense, depending on context

Because the sentence includes oggi (today), it sounds like something happening today, either as a current action or a planned action for today.

Italian usually uses the definite article more often than English does.

Here:

• il = the
• rifiuto = waste/refuse
• elettronico = electronic

So il rifiuto elettronico literally means the electronic waste.

Even when English might say simply electronic waste, Italian often prefers the article:

• smaltire il rifiuto elettronico
• riciclare la plastica
• buttare i rifiuti

This is very normal in Italian.

In Italian, rifiuto can be singular and still refer to a category or type of waste, much like a mass noun or general concept.

So:

• il rifiuto elettronico = electronic waste, as a category
• i rifiuti elettronici = electronic wastes / electronic waste items / e-waste items

Both can work, but they give slightly different feels:

• il rifiuto elettronico focuses on the material or category in a general sense
• i rifiuti elettronici focuses more on multiple waste items or units

A native speaker might also very naturally say:

• Smaltiscono i rifiuti elettronici oggi.

Because adjectives in Italian must agree with the noun they describe.

Here:

• rifiuto is masculine singular
• so the adjective must also be masculine singular
• therefore: elettronico

Compare:

• il rifiuto elettronico = masculine singular
• la spazzatura elettronica = feminine singular
• i rifiuti elettronici = masculine plural
• le apparecchiature elettroniche = feminine plural

So the adjective changes form to match the noun.

Yes, it is understandable and correct. But depending on context, Italians may also say:

• rifiuti elettronici = electronic waste items
• RAEE = a common abbreviation for Rifiuti di Apparecchiature Elettriche ed Elettroniche

In everyday or official contexts, RAEE is very common when talking about recycling or disposal systems.

So:

• il rifiuto elettronico = correct and clear
• i rifiuti elettronici = also very natural
• i RAEE = very common in technical or administrative contexts

Yes, oggi can move.

The sentence:

• Smaltiscono il rifiuto elettronico oggi.

is perfectly fine, and placing oggi at the end is very natural.

You could also say:

• Oggi smaltiscono il rifiuto elettronico.
• Smaltiscono oggi il rifiuto elettronico.

These all mean basically the same thing, but the emphasis changes slightly:

• Oggi smaltiscono il rifiuto elettronico.
  Emphasizes today
• Smaltiscono il rifiuto elettronico oggi.
  Neutral and very natural
• Smaltiscono oggi il rifiuto elettronico.
  Also possible, but slightly less neutral in some contexts

Italian word order is more flexible than English, especially with time expressions like oggi.

Not exactly.

• buttare via = to throw away
• smaltire = to dispose of properly, often through a system or process

So smaltire sounds more appropriate for waste management, recycling, or official disposal.

For example:

• Buttano via il vecchio telefono. = They throw away the old phone.
• Smaltiscono il rifiuto elettronico. = They dispose of electronic waste properly.

So smaltire is the better verb here because electronic waste usually needs special handling.

A helpful approximate pronunciation is:

zmal-TEE-sko-no

More carefully:

• sma as in zmah
• lti with the stress on ti
• scono as sko-no

The stress falls on:

• smaltìscono

So the stressed syllable is -ti-.

Also:

• sc before o is pronounced like sk
• so scono sounds like sko-no, not like English sh

Yes, but oggi strongly points to today as a specific time.

Without oggi:

• Smaltiscono il rifiuto elettronico.

This could mean:

• they dispose of electronic waste in general
• that is what they do habitually
• that is their job

With oggi:

• Smaltiscono il rifiuto elettronico oggi.

the sentence sounds tied to today's action or today's plan.

So the present tense itself can be broad, but oggi narrows it to a specific time.

Only if the context makes it clear.

This sentence by itself does not tell you who they are. Italian often leaves the subject unspoken when it is already known from the situation.

For example, in context:

• Gli addetti del centro raccolta? Smaltiscono il rifiuto elettronico oggi. = The staff at the collection center? They dispose of electronic waste today.

Without context, you know the action, but not exactly who is doing it. That is normal in Italian.