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1.What are they used for? 相關用途
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' \3 ^0 J3 L& ~ \5 FAlkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They
7 K! j2 Y$ S) {6 pare good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems r/ A& a6 O( g. G C6 R3 {
such as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are
( |% t) a; @2 m8 W4 nalso used as domestic cleaning agents and co-formulants in pesticides and biocides.
! N6 b/ q$ P9 B qIn particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent
m: M" C7 K! @0 e. wauxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in + l+ Z% U, [/ l2 C8 b( O% o3 l, o
textile wet processing. ! H% k, O6 n0 Q
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
. R6 B, {( X+ [- `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
9 {! R2 m/ r c, h/ f, t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 5 _# T4 T& U& E, c9 K; Z
滌劑中,以及殺蟲劑和除生物劑的處方。 , ?( m x% f. |
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
- t: c( f. M( t5 ~) w9 s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
* P0 ?$ }; p- L1 D8 j9 M8 f) h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。 ; n; y; ~, h6 I, P6 s
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2.What are the problems? 相關問題
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* l4 Z' o6 S/ F; CSince APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released , J v& [/ v5 M4 |/ l0 ]* i, k
to the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment
# f7 T; s8 @3 C* e0 Sand can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced / Q+ l( q% a) u4 Q4 G, r0 M
and populations are in danger of shrinking. 7 z4 i4 P. @# ~5 S2 j6 s, K+ M
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 " p- R& S6 n. j2 E8 t
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
7 p9 n4 F5 O/ @: H4 g+ C x1 O1 K魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。 : r( i' j$ z" u* W7 q6 I
7 w+ ~. p4 Y! p3 l5 _$ L% ]3.What are the measures? 相關措施 % v9 W3 H0 W4 z! \& I" k
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Within the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC / _/ s8 b+ ~- n6 D6 S$ }
restrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as * O. l7 ` K# W* m* M; k) Q' h7 \
below: 2 \4 _% ]6 o2 _
By 17 January 2005, except for pesticides or biocides which have been granted by existing national , h! F3 i. ~4 O8 j3 Q1 W
authorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in " ?! z6 E! X5 C
concentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes:
& {9 }% x) F9 h+ C8 W: i• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated;
( {( f j# v+ F: u4 B• domestic cleaning;
[7 H+ B: s* G4 r, }• textiles and leather processing except those without release into waste water or those with special treatments 5 @; _8 m) _/ I4 o
to remove the organic fraction completely prior to the release;
1 ]) E8 ]& l/ T6 o• emulsifier in agricultural teat dips; . {* h* M1 {6 G. ~2 O# X+ j3 W
• metal working except those systems where the washing liquid isrecycled or incinerated; ! `$ o9 N% z' u& m% I; L+ ^ r! D
• manufacturing of pulp and paper;
* y& }( U! n' W) D; s8 {, D' ? ]• cosmetic products; : C+ r$ x) d4 R$ N" {
• other personal care products except spermicides;
4 j7 S3 ?+ }- E& T4 ^5 n: a• co-formulants in pesticides and biocides.
5 f: f: \5 J+ Q2 y: V! e: h5 ~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
- E* p- y$ ~' C6 M% j4 A0 ^(NP)和壬基酚乙氧基化物(NPEOs),概述如下: . i( \- K0 c0 f2 b' J1 Y
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 0 G. |/ o% ~5 }: Y+ l' D- a5 ]
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 ):
9 m0 D3 j8 D# ^6 n! Z8 ^! m, f• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外; 5 | l% ?: ~0 i
• 家庭清潔;
1 H# N8 D; M4 R, _3 C• 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; : d$ }, J9 e/ _9 M v
• 農用乳頭消毒液的乳化劑;
% I# O t5 D/ h• 金工, 備有洗滌液再循環或焚化的系統除外; + ]. z4 ~# y6 U9 t+ K
• 紙漿和造紙加工;
: y3 \* f8 m! s q• 化妝品; 4 h5 ~/ Q0 _; D$ ^
• 其他個人護理用品,殺精劑除外; 1 H5 ^/ G+ Y' p( j: W1 S5 A
• 殺蟲劑和除生物劑的處方。
( ]) k/ T# U4 i, o来源:STC 李昊鹏 |
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