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1.What are they used for? 相關用途 2 K1 W o- f/ L
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Alkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They ( Q4 u' X5 g9 U
are good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems
" G/ j# B* y) z$ jsuch as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are
6 U' l$ I6 H( B0 C5 B1 l* Z. r, Oalso used as domestic cleaning agents and co-formulants in pesticides and biocides.
/ d% |, a9 u6 RIn particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent
7 K) N: H6 X2 f- r" L2 b/ S! \6 ~auxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in
( Z. L. O& G( D( u& Ftextile wet processing.
, r5 N: S6 m# S9 m烷基酚(APs)和烷基酚乙氧基化物(APEOs)在不同工業中常用作輔助化學 * [" c- z" D( I$ |
劑。它們是良好的乳化劑和潤濕劑,因此它們被廣泛地用於不同的工業洗滌過程 7 }% G1 m( f* ?) l+ N% e
中,如紡織和皮革加工、紙漿和造紙加工、金工和農業等。它們亦會用於家庭洗 . s. K& c- L: F$ ]5 _, L, X: [* D
滌劑中,以及殺蟲劑和除生物劑的處方。
g) y L- a+ c' G8 J. t在紡織品的濕處理過程中,壬基酚(NP)和壬基酚乙氧基化物(NPEOs)(分別
, D8 u* }$ Q5 M; v屬於烷基酚(APs)族和烷基酚乙氧基化物(APEOs)族),主要被用作洗滌劑
5 N9 o1 \4 q' T2 o" C4 @4 ]的助劑,在纖維的清洗及漂白過程中,用以去除如蠟、籽屑等雜物。
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2.What are the problems? 相關問題
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Since APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released , a$ y# _5 ^0 @
to the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment
( a2 W: U. j$ A' xand can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced * @% g: [9 }5 K5 x" n
and populations are in danger of shrinking. : |+ a' P( y' Y* d, k- R
由於烷基酚(APs)和烷基酚乙氧基化物(APEOs)是不能被生物降解的,因此,當它們被排放或釋放到環境
6 v' N: P: t( B! N% X中時,便會引發嚴重的環境問題。對水質生態來說,他們是烈性的內分泌破壞者,能導致雄魚雌性化。結果是
9 o+ f' l0 M" G: E c+ i' u魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。
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0 ]; i$ c3 o4 J. V1 _: O( Z% H3.What are the measures? 相關措施
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Within the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC 2 u8 }( L4 h% f) H+ I+ X% [
restrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as
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By 17 January 2005, except for pesticides or biocides which have been granted by existing national
?) @4 z" o: P/ N z; g7 T! o! ?authorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in
# u8 p' B" m) F7 Uconcentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes:
5 w3 d* @2 l% Q: V8 n( T6 W• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated;
6 a5 [) h; S# j: |• domestic cleaning; 8 k3 t2 }* E* Y: }8 _( R+ e
• textiles and leather processing except those without release into waste water or those with special treatments ; l# J9 X* q0 \8 I
to remove the organic fraction completely prior to the release;
& j# k8 Q, F3 F6 v& ^+ c, h• emulsifier in agricultural teat dips; ' P/ W m- ?' q, S
• metal working except those systems where the washing liquid isrecycled or incinerated;
2 W1 m3 {7 n! d4 ~- c5 m• manufacturing of pulp and paper;
2 U; P: Z& {& }6 ^• cosmetic products;
/ B5 m; m' q" q j• other personal care products except spermicides;
% [8 W7 C- O5 V* ^# ~• co-formulants in pesticides and biocides. 9 Q) w9 d l3 f0 S
2003年6月18日發佈的2003/53/EC指令已經加進76/769/EEC指令中,該指令限制銷售和使用壬基酚 H3 f+ a1 f' j6 C
(NP)和壬基酚乙氧基化物(NPEOs),概述如下:
5 ]1 O/ m0 ]" J5 ~從2005 年1 月17 日起,除了已被國家授權准予使用NPEOs 作為處方的殺蟲劑和除生物劑外,用於下列目的壬
! \2 B2 ~- H3 K; f, X) w基酚(NP )和壬基酚乙氧基化物(NPEOs )的質量比濃度不可等於或高於0.1% (相當於1,000ppm ):
+ |# @4 p* B- x/ U% B& G• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外;
# j- i- p$ h4 s# I& Q• 家庭清潔;
9 y7 T$ Q( u4 I/ Y. U0 H• 紡織品和皮革加工,不排放到廢水或在排放前經過特殊處理而完全除去了有機物的除外;
2 q9 [: P$ `0 t• 農用乳頭消毒液的乳化劑;
' a2 N% j; F+ G: v5 a- ^• 金工, 備有洗滌液再循環或焚化的系統除外;
* b- c8 r( B# x. _; @* x• 紙漿和造紙加工; 0 F( E: B6 A! u5 U- W& Q8 W5 _- ~7 Y
• 化妝品; + x3 Q- d! U- s# H' {: b3 E
• 其他個人護理用品,殺精劑除外; ' T3 G6 n: ~& d( h
• 殺蟲劑和除生物劑的處方。
+ D) J+ ?; {3 L) w; a来源:STC 李昊鹏 |
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