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Questions tagged [recycling]

using materials that would otherwise be waste to manufacture new materials. For questions specifically on [upcycling] use that tag, for questions on [reuse] use that tag.

6
votes
3answers
58 views

How can ceramics be recycled?

How can ceramics be recycled? Does the answer vary greatly depending on glaze or other factors, and if so, how can those factors be determined (i.e. how can I tell if a glaze contains lead or not)? ...
2
votes
1answer
30 views

How can I easily tell which plastics are Biodegradable? [duplicate]

How can I easily tell which plastics are Biodegradable and which are not?
3
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1answer
23 views

Are foam netting sleeves recyclable?

I am wondering if foam netting sleeves that are often used to protect glass bottles in transport (see picture) can be recycled in a soft plastic stream? (like RedCycle in Australia)
1
vote
0answers
45 views

What is the environmental impact of recycling beverage containers, by material?

I just read the article "Oregon Launches First Statewide Refillable Bottle System In U.S.". Discussing the environmental impact of this system, the article says: Until that facility [in Portland, ...
1
vote
0answers
38 views

Why is recycling (or trash collection) not a government subsidized or ran project? [closed]

The government (specifically the US, and by governemnt I mean local, state, and federal) is responsible for many public works, social welfare programs, and public safety projects that span locally to ...
4
votes
1answer
43 views

What are crisp packets made from?

What are crisp packets made from, specifically Tyrrells or Walkers. I am doing a school project on single use plastic crisp packets. I am finding it difficult to find information online.
6
votes
0answers
61 views

Are any large restaurant chains pursuing better alternatives to recyclable packaging?

Yesterday Kraft Foods announced that by 2025 all of its packaging will be recyclable. (Note that while they include "reusable" and "compostable" in the announcement, they talk almost exclusively about ...
3
votes
2answers
78 views

Rough cost-benefit of stopping car to recycle batteries

I use up batteries (both recyclable and not) at an exceedingly slow rate. Stockpiling batteries for proper disposal is not realistic as I will do so for years, if not decades. All the more so, since I ...
3
votes
4answers
121 views

What isn't recyclable or compostable?

My community has single-bin recycling. Most consumer-level metal, plastic, and paper can go in there to be sorted at a recycling center. They don't take plastic grocery bags, cellophane, paper towels, ...
7
votes
2answers
132 views

Can mesh produce bags be recycled?

Sometimes produce is packaged in mesh bags, such as the bag of oranges shown below. What are these bags made of, and can they be recycled? If they cannot be recycled, can we do something else with ...
3
votes
0answers
51 views

Is there any useful recycling of fibreglass boats or other products made of it?

Lifetime is running out for a large number of fibreglass boats produced about 50 years ago. Many shipyards where they have been produced do no longer exist and last users frequently do not have the ...
14
votes
2answers
91 views

Does transporting plastic offset the benefits of recycling it?

Apparently China has been processing about half the world's waste until this year, and most of that waste is transported over the ocean in large container ships. Recycling plastic uses less energy and ...
5
votes
1answer
48 views

Can I recycle waxy cardboard (in Greater Vancouver)?

Does anyone know what to do with these containers? Even though some of them are labelled "#3 Please recycle this container" I'm quite sure they can't be put with mixed paper or cardboard recycling ...
3
votes
1answer
111 views

Recycling soda stream cannisters in Australia?

My wife and I have a bunch of random broken things from our previous lives that we're trying to get rid of correctly. One of them is a few left over soda stream canisters. Many recycling centers in ...
2
votes
0answers
29 views

Innovative design solutions to increase recycling rates among university students

I have an assignment to research innovate design solutions to increase recycling rates, in particular recycling rates among university students. I've found an excellent research report on topic (but ...
7
votes
1answer
404 views

How many times can plastic be recycled?

This answer to another question brought up the point that "recycling" of plastic is often more accurately "downcycling." From Wikipedia: Downcycling, also referred to as cascading, describes the ...
1
vote
1answer
52 views

How can I form heat sinks from waste aluminum?

I am designing a thermo-electric generation system that would generate electricity from the heat of my wood stove. The active components are bismuth telluride TEG cells that use the Seebeck effect in ...
3
votes
2answers
78 views

How to recycle almond shells?

I have seen this related question - but it was about the almond peels and not their shells: How do I recycle these? My relatives advised me to burn it all up, as it drives away mosquitoes[citation ...
1
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0answers
24 views

Who re-uses used but still good florescent aquarium light tubes?

I have 50 used, full-spectrum aquarium bulbs, which are still good, but not strong enough to support aquarium plant growth. Probably still very good for helping people with seasonal affective disorder....
3
votes
0answers
70 views

Environmental benefit of recycling small cables from electronics and holiday mini lights?

For electronics, I've watched some online videos explaining commercial shredding operations and some home based scrapper videos showing how they strip insulation from common household electrical ...
7
votes
1answer
84 views

What is this candy wrapper made of? Solely plastic or mixed with something else?

I am an avid recycler - whenever I get the chance to recycle, I do it. The only problem is, I can't mix materials when recycling. I want to recycle the following: It's wrapping for candy - in this ...
1
vote
0answers
29 views

Is going paperless really that much better for the environment [duplicate]

Say you want to read some document, like an newspaper article, If you read it online you still have to power a screen, which is powered by a computer or mobile device, which these days are becoming ...
6
votes
5answers
146 views

How to sustainably dispose of or break down used cooking oils?

I have recently wondered what I should be doing with my used kitchen oils having seen a news article about an enormous fatberg clogging the sewer in London. Obviously putting it down the sink really ...
7
votes
1answer
130 views

To what extent (if any) are electric vehicle batteries recyclable?

Are there any existing procedures for the recycling of electric vehicle car batteries, and if so what are they? In particular I'm interested in those used in the Volkswagen E-Golf, though general ...
9
votes
3answers
232 views

Why should we bother to recycle household waste if it's only a small portion of all waste that is generated?

For the past two months, I have been investing some attention and effort in taking care of setting aside all my dry waste in my room's bin. I wish to separate the recyclable ones and the unrecyclable ...
11
votes
4answers
4k views

Are used “blister packs” recyclable?

Now, in management of recurring everyday waste, this is something totally unavoidable. Are tablet strips (what they call blister pack strips), after use, recyclable? Can they be dumped with dry ...
4
votes
0answers
196 views

Are biscuit wrappers (the shiny looking ones) recyclable ? Can I dump them in regular dry waste collecting containers? [duplicate]

Recurring waste has been a recurring theme in my questions about waste management. Want to ensure recyclability or reduce waste in everyday use. Are these biscuit wrappers recyclable ? A ...
4
votes
1answer
150 views

Best type of recyclable plastic to melt into a clay mold to produce a small figurine

What would be the best type of plastic to melt into a clay mold, to produce a small figurine, something that a person would have normally, already in their household - such as soda bottles, milk ...
5
votes
2answers
204 views

What is the real impact of the new Adidas collection made with recycled plastic bottles?

Adidas has a new collection made with recycled plastic bottles recovered from the oceans. I have been trying to find the real environmental impact of this collection but it has been difficult to ...
9
votes
3answers
2k views

Dishwasher or paper plates: which are worse?

After running the dishwasher last night it struck he how much energy it must consume: from heating large amounts of water to the motorized pumps and spinners to the heated plate drying. Then there's ...
2
votes
0answers
29 views

Using glass bottles in walls of buildings [duplicate]

I have seen pictures of homes and buildings in dry climates were they have used glass bottles in the walls with what looks like either concrete or mud. Is this just for aesthetics? Do they provide ...
6
votes
1answer
655 views

How to recycle cartridges for ballpoint or rolling pens?

How can we recycle ballpoint pens or gel pens when they no longer work? Consider these scenarios: 1) Cartridge is empty. What we see now is ONLY a plastic stick with a ball point there. 2) Cartridge ...
7
votes
1answer
717 views

Environmental impact of using paper towels for hand drying

At work, I have noticed a staggering level of paper towel usage and it's disheartening to see it getting wasted, even though hand dryers are installed in all rest rooms. I plan to propose reducing the ...
9
votes
1answer
114 views

Does buying wooden furniture help fight global warming?

Given the assumptions that: emissions of CO2 are indirectly contributing to global warming CO2 is captured in the bodies of trees during their lifetime CO2 is released from the bodies of trees when ...
1
vote
0answers
43 views

Which chemical should be added on recycling LDPE to make the granules brighter [closed]

What should be added while recycling LDPE(low density polyethylene ) to brighten the granules. Which chemical should be used and how much amount.
5
votes
0answers
72 views

Should cardboard contaminated with unknown dirt be recycled?

Lately, postal cardboard packages have been arriving with an increasing level of exterior contamination with generic black dirt. Although the composition of this dirt is unknown, this can be a concern ...
1
vote
0answers
81 views

Melting of plastics in absence of air [closed]

Kindly advice me whether melting of plastic in absence of air produce harmful fumes or other chemicals? Whether it is a safer practice compared to normal melting?
6
votes
1answer
142 views

Why do we produce black plastic items if they cannot be recycled?

My local council accepts white plastic for recycling. If white is ok, why do we produce meat packaging, frozen meal packaging etc in black?
6
votes
7answers
480 views

Mismatched socks? What to do with hundreds of them?

I may be unique here but over the years I have collected perhaps hundreds of mismatched socks of various sizes and colors. Some are good cotton and others are like new. Since I have a large family and ...
5
votes
2answers
88 views

Most sustainable type of cream container?

The grocery co-op where I shop offers local, organic cream from three different farms, which use three different types of recyclable containers (all roughly the same volume): Mini version of clear ...
6
votes
1answer
657 views

Do I need to remove sellotape to recycle Christmas wrapping paper?

If sellotape or plastic stickytape is left on wrapping paper when I recycle it, does it matter? (or how much does it matter?) What happens to it during the recycling process? Let's assume I ...
6
votes
1answer
414 views

Is fleece clothing a cheap and sustainable alternative to conventional cotton?

I was wondering whether fleece clothing is a good, cheap and above all sustainable alternative to conventional cotton, which uses a lot of pesticides and takes a lot of water to grow. The other ...
3
votes
1answer
732 views

Can the card-boxes that contain toothpaste tubes be recycled?

I looked everywhere on the box itself but no notice at all. They usually have colourful prints on them and seem plastic-coated to give a "shiny" effect, but on the other hand they don't look very ...
4
votes
2answers
158 views

Is there any engineering discipline concerned with recycling?

I was searching for stand-alone bachelor degrees in the field of Engineering related to recycling. Is there a particular discipline in the engineering field concerned with the various ways and ...
12
votes
2answers
11k views

Why can't black plastic be recycled?

My local council now takes most types of plastic bottles, pots, tubs and trays in the recycling bin. But they specifically exclude black plastic containers. Is there a reason for this? Why can't ...
5
votes
2answers
514 views

If coffee pods are made of aluminium, what are the negative environmental effects?

The boss of Nespresso has called coffee pods an environmental disaster. One of my friends recently commented: Coffee pods are the environmental equivalent of beating baby seals to death. I'm ...
6
votes
1answer
124 views

How to recycle disintegrated plastic bags, without negatively impacting the environment?

We've just gotten some old books out of the loft, and it appears the plastic bags they were in have disintegrated/biodegraded. What is the most environmentally friendly way to dispose of them?
6
votes
2answers
76 views

Does the Reduce-Reuse-Recycle rule always apply?

Does the triple-R rule (or its extended version like Reduce-Reuse-Repair-Recycle) apply to everything, in that order, as the most sustainable process? Just wondering if you could think of any ...
5
votes
1answer
41 views

How do municipalities calculate reported diversion and recycling rates?

How do municipalities calculate reported diversion and recycling rates? From what I can tell, most are using surveys of private recycling companies without a standard system of measure or process to ...
4
votes
1answer
424 views

How does bioplastic recyclability compare with petrochemical-based plastic recyclability?

I am curious to know how recyclable bioplastics are. For example, how recyclable would a polylactic acid (PLA) cup be when compared to a conventional PET cup? Can the material go through a comparable ...