China's diffuse chloro-carbon emissions?

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Discussion Overview

The discussion revolves around the sources of diffuse halo-carbon emissions in China, with a particular focus on the faux-leather industry and its potential contributions. Participants explore various hypotheses regarding the types of halocarbons present and their environmental implications.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • One participant suggests that the faux-leather industry, particularly involving vinyl and PVC materials, may be a significant source of halo-carbon emissions in China.
  • Another participant raises the question of which specific halocarbons are present in the environment, noting that identifying them could provide insights into their sources.
  • A different viewpoint mentions that sucralose, an artificial sweetener, lacks volatile breakdown products, implying it may not be a major contributor to emissions.
  • There is speculation about the role of bacterial populations in effluent pathways potentially releasing volatile halo-carbons, drawing an analogy to oceanic production of DMS and DMSO.
  • One participant reiterates the concern about emissions from shipped items, suggesting that while factories may have ventilation, the products themselves can release significant fumes once they reach consumers.
  • Another participant advocates for replacing plastic packaging with alternatives like PPE and LDPE to mitigate emissions and environmental impact.

Areas of Agreement / Disagreement

Participants express multiple competing views regarding the sources of halo-carbon emissions, with no consensus reached on the primary contributors or the effectiveness of proposed solutions.

Contextual Notes

Participants note the complexity of identifying specific halocarbons and their sources, as well as the potential for various materials and processes to contribute to emissions. There are unresolved questions about the environmental impact of different materials and the effectiveness of alternatives.

Nik_2213
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TL;DR
Could it stem from their faux-leather industry ??
IIRC, the hunt is on for the elusive source of China's diffuse halo-carbon emissions.
May I offer their busy faux-leather industry, based around 'vinyl' & 'PVC' materials ?

Personal observation: Family member ordered a bespoke pair of smart 'party boots' from a AliEx company. When those arrived this morning, the bundle was so secure, it was handed to me to breach.
Foom !
The escaping fumes made that room and, soon, half the house smell like an urgently 'dry cleaned' suit before adequate airing...

IMHO, factories and 'cutters', be they tailors or cobblers, may have adequate ventilation & volatiles capture, but many shipped items will release a small but, in combination, significant quantity of fumes at their destination...
YMMV.
 
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There are many different halocarbons. One is sucralose, an artificial sweetener. Which ones are showing up in the environment in China? That should tell you a lot about the source.
 
Sucralose seems to lack volatile break-down products.

Of course, there may be an unsuspected bacterial population in the effluent pathway whose metabolism cuts a significant quantity of Cl loose as volatile halo-carbons. Analogy would be oceanic production of DMS & DMSO...
 
Nik_2213 said:
Summary: Could it stem from their faux-leather industry ??

IIRC, the hunt is on for the elusive source of China's diffuse halo-carbon emissions.
May I offer their busy faux-leather industry, based around 'vinyl' & 'PVC' materials ?

Personal observation: Family member ordered a bespoke pair of smart 'party boots' from a AliEx company. When those arrived this morning, the bundle was so secure, it was handed to me to breach.
Foom !
The escaping fumes made that room and, soon, half the house smell like an urgently 'dry cleaned' suit before adequate airing...

IMHO, factories and 'cutters', be they tailors or cobblers, may have adequate ventilation & volatiles capture, but many shipped items will release a small but, in combination, significant quantity of fumes at their destination...
YMMV.
Packaging, lots based on PVC which is why companies are switching to PPE, LDPE.
No need for phthalates, no issue with dioxins, less mass and green house gases.
My own view? Replace not recycle. With non plastic.