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1.What are they used for? 相關用途
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Alkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They
( Z% I, Q+ G3 {0 x7 C) ]; Sare good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems 2 O. C2 g+ d" W v- n! L
such as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are
6 ~1 i# p4 t6 }0 kalso used as domestic cleaning agents and co-formulants in pesticides and biocides. ) `) W! y3 S7 u* b. `
In particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent
# W" c0 i& N2 w5 h' n6 Zauxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in
8 S! H9 E- L' vtextile wet processing. ; e2 c/ h0 a6 A, _1 @" H2 u; m0 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
/ Y% C0 h" [/ J/ t: H" ^& e9 J4 [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 # r/ ^% E& q, }2 Q; l7 w8 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 W- x6 w% m6 V
滌劑中,以及殺蟲劑和除生物劑的處方。 ' e: ]* |8 E# }+ N
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 # n8 }3 I; e" a
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 , r+ s! z- G- t% `
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 e/ o* R. E8 j% F+ y2 A- h
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Since APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released 9 ^( V. ~; ]. n5 d4 t" \, ^
to the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment 9 I' d$ o$ z9 Z2 _) N$ L
and can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced F- d3 H% M6 O6 x$ j
and populations are in danger of shrinking.
# [; p9 y3 y$ E7 k4 _6 v) c% i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
2 P/ Y9 T, D _* j& i2 H7 | M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
5 g) C2 q8 P2 [$ r- I5 C b魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。 3 [$ J, o' { k. h
$ t6 X" U% n+ Y3 \& G3.What are the measures? 相關措施
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# h! |6 S2 e/ ^2 o" RWithin the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC
6 T4 k2 m* `* @& r. Z- J+ }restrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as
& ]2 |( J. s0 jbelow:
3 l \; w& W0 d' o1 s7 SBy 17 January 2005, except for pesticides or biocides which have been granted by existing national
* l% @" P! G4 Oauthorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in
7 H- [1 I% b+ Q, sconcentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes:
- A G$ k5 i5 X* |9 a) ^% L v• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated;
! e! m* v) g! @. c: B( P5 u• domestic cleaning;
0 _! [! j# j: C9 i$ w# k( x• textiles and leather processing except those without release into waste water or those with special treatments * C& p9 k/ v& l4 h7 N# G
to remove the organic fraction completely prior to the release;
6 z) ]# ]* P4 ^. ~+ b• emulsifier in agricultural teat dips;
: t2 m; t5 ] G3 o b4 P# u• metal working except those systems where the washing liquid isrecycled or incinerated; ) e5 K& O- F& H7 {
• manufacturing of pulp and paper; 3 S9 X$ I" x$ f) k
• cosmetic products;
* C5 F' [6 ?( O9 W• other personal care products except spermicides;
, P/ c j4 Q) W0 q• co-formulants in pesticides and biocides.
3 g( @2 d/ d) v3 p" m m% i2003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
9 _( |* a0 t( P( b(NP)和壬基酚乙氧基化物(NPEOs),概述如下: 3 [5 z: c. r4 b+ ^
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
. ]! q7 _3 H: `) z3 i, D! Y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 ):
+ H! U5 A0 M$ R' r+ @• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外;
% N2 G, f; O8 l& N/ M• 家庭清潔;
& M7 H2 C+ R1 W5 G, u( n- B( _ q• 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; / x, c# n5 y/ ]' L! `6 l
• 農用乳頭消毒液的乳化劑;
! y; ]/ b6 h v, R• 金工, 備有洗滌液再循環或焚化的系統除外; 5 P! u* H* s4 l
• 紙漿和造紙加工; % L& k" W. A0 |: V# c3 m* g R; w0 w
• 化妝品;
% q* ]. e! g* X3 l/ @• 其他個人護理用品,殺精劑除外;
v! j7 n& r( P, h• 殺蟲劑和除生物劑的處方。
' H6 ^4 I7 [! @2 T3 a, B来源:STC 李昊鹏 |
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