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1.What are they used for? 相關用途 ; b- D0 ?! E4 y6 B& c* H/ R
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Alkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They
?- B5 K+ S+ Yare good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems ! p8 z& m: G1 t- T; |
such as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are 1 x8 B8 y8 {# U
also used as domestic cleaning agents and co-formulants in pesticides and biocides.
% M6 C% @/ L! ?( gIn particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent
" z3 Q+ m4 b" bauxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in # Y! s3 ^' @8 p: F5 ^1 U
textile wet processing.
3 p5 T- u0 \5 k6 e3 ^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 1 O6 Z8 i- R x7 P9 v" \& ]
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 # w, `( ~+ ]. u- d6 T7 e+ R7 P
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
( E, z7 {- X) i% w, w- a滌劑中,以及殺蟲劑和除生物劑的處方。 2 S8 E/ h. v- Y: y/ V7 }) Y
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
# A5 n( L4 q" |( d& R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
6 l; t; O- {- S7 v1 r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。 X" k& D* o6 h) t3 D/ Z
2 f( _; n! W1 I4 X& Y; B( U& @2.What are the problems? 相關問題 + N8 k# Q3 \6 L2 G7 D
3 ?5 e- J2 Z ~8 M. D* uSince APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released ) ~7 s; P7 d# @* p1 G& i
to the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment
6 N2 C' l; H! f2 c$ Nand can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced * Y0 @( O: j) N; o+ Q
and populations are in danger of shrinking.
! u) e; ]5 c: D! n, V% S. U. A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
! R9 Z2 C9 U& ~ y, c3 e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 ! r2 M4 P/ X+ N7 v8 O
魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。 / T2 Y" T& J1 c1 ?
0 |: c2 Q' ~: {' u: }. l1 ~3.What are the measures? 相關措施
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+ a9 F9 w. Y2 h) D4 A# Z# EWithin the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC
$ m( @7 U" O3 z: Wrestrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as
# G2 ?# d# J0 a- @; ebelow: ' Y3 G/ N' }. I6 `; c
By 17 January 2005, except for pesticides or biocides which have been granted by existing national / |; j/ b! y* H: p
authorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in
- J. q; M/ \$ f9 @" xconcentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes:
: d$ L. y4 q N2 M8 o• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated;
0 q: m4 w& v$ T: O. @8 w• domestic cleaning;
& a4 n: s1 P K+ l; _. C• textiles and leather processing except those without release into waste water or those with special treatments & H0 u |, e0 W3 @% W& A
to remove the organic fraction completely prior to the release;
% M! U4 p5 n6 i( d* J• emulsifier in agricultural teat dips; 5 |3 L4 `5 z6 B1 `7 B% D) u' H
• metal working except those systems where the washing liquid isrecycled or incinerated;
% X% {- x, [$ M T) y• manufacturing of pulp and paper; 7 O7 g" [ {4 t; \
• cosmetic products;
! ~) P; M) s+ f• other personal care products except spermicides;
8 p4 Q. u- G) r3 {4 b; P( }, m% _" d9 w• co-formulants in pesticides and biocides. + k4 |8 x. I i* G1 H
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 * d: ?- B2 f* f4 N' O
(NP)和壬基酚乙氧基化物(NPEOs),概述如下: R$ a8 U0 p8 h% `7 d; p" q3 @0 T+ {9 R
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
& \- g. @# R+ a8 g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 ): * M7 T7 O7 y' {! j$ e$ Q
• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外; ; d3 U6 t# P6 |
• 家庭清潔; : Q$ s) Z' B& E3 M+ Z
• 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; ' S" `! e7 P' _, k) f
• 農用乳頭消毒液的乳化劑;
^. H/ _2 U3 ?# [2 z• 金工, 備有洗滌液再循環或焚化的系統除外;
* j. j. q5 O5 q# H' T• 紙漿和造紙加工; / z1 L: t- ^2 T2 ~/ O
• 化妝品; # {0 A D) z$ n1 C
• 其他個人護理用品,殺精劑除外; . t2 P; p8 d& B1 t) P# X2 W% {0 @
• 殺蟲劑和除生物劑的處方。 : P. U3 |5 b; G* R# h
来源:STC 李昊鹏 |
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